content/renderer/render_view_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_view_impl.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/debug/alias.h"
  16 #include "base/files/file_path.h"
  17 #include "base/i18n/rtl.h"
  18 #include "base/json/json_writer.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/memory/scoped_ptr.h"
  21 #include "base/message_loop/message_loop_proxy.h"
  22 #include "base/metrics/field_trial.h"
  23 #include "base/metrics/histogram.h"
  24 #include "base/process/kill.h"
  25 #include "base/process/process.h"
  26 #include "base/strings/string_number_conversions.h"
  27 #include "base/strings/string_piece.h"
  28 #include "base/strings/string_split.h"
  29 #include "base/strings/string_util.h"
  30 #include "base/strings/sys_string_conversions.h"
  31 #include "base/strings/utf_string_conversions.h"
  32 #include "base/time/time.h"
  33 #include "base/trace_event/trace_event.h"
  34 #include "content/child/appcache/appcache_dispatcher.h"
  35 #include "content/child/appcache/web_application_cache_host_impl.h"
  36 #include "content/child/child_shared_bitmap_manager.h"
  37 #include "content/child/npapi/webplugin_delegate_impl.h"
  38 #include "content/child/request_extra_data.h"
  39 #include "content/child/v8_value_converter_impl.h"
  40 #include "content/child/webmessageportchannel_impl.h"
  41 #include "content/common/content_constants_internal.h"
  42 #include "content/common/database_messages.h"
  43 #include "content/common/dom_storage/dom_storage_types.h"
  44 #include "content/common/drag_messages.h"
  45 #include "content/common/frame_messages.h"
  46 #include "content/common/frame_replication_state.h"
  47 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  48 #include "content/common/input_messages.h"
  49 #include "content/common/pepper_messages.h"
  50 #include "content/common/ssl_status_serialization.h"
  51 #include "content/common/view_messages.h"
  52 #include "content/public/common/bindings_policy.h"
  53 #include "content/public/common/content_client.h"
  54 #include "content/public/common/content_constants.h"
  55 #include "content/public/common/content_switches.h"
  56 #include "content/public/common/drop_data.h"
  57 #include "content/public/common/favicon_url.h"
  58 #include "content/public/common/file_chooser_file_info.h"
  59 #include "content/public/common/file_chooser_params.h"
  60 #include "content/public/common/page_state.h"
  61 #include "content/public/common/page_zoom.h"
  62 #include "content/public/common/ssl_status.h"
  63 #include "content/public/common/three_d_api_types.h"
  64 #include "content/public/common/url_constants.h"
  65 #include "content/public/common/url_utils.h"
  66 #include "content/public/common/web_preferences.h"
  67 #include "content/public/renderer/content_renderer_client.h"
  68 #include "content/public/renderer/document_state.h"
  69 #include "content/public/renderer/navigation_state.h"
  70 #include "content/public/renderer/render_view_observer.h"
  71 #include "content/public/renderer/render_view_visitor.h"
  72 #include "content/renderer/browser_plugin/browser_plugin.h"
  73 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  74 #include "content/renderer/devtools/devtools_agent.h"
  75 #include "content/renderer/disambiguation_popup_helper.h"
  76 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  77 #include "content/renderer/drop_data_builder.h"
  78 #include "content/renderer/gpu/render_widget_compositor.h"
  79 #include "content/renderer/history_controller.h"
  80 #include "content/renderer/history_serialization.h"
  81 #include "content/renderer/idle_user_detector.h"
  82 #include "content/renderer/ime_event_guard.h"
  83 #include "content/renderer/input/input_handler_manager.h"
  84 #include "content/renderer/internal_document_state_data.h"
  85 #include "content/renderer/media/audio_device_factory.h"
  86 #include "content/renderer/media/video_capture_impl_manager.h"
  87 #include "content/renderer/mhtml_generator.h"
  88 #include "content/renderer/net_info_helper.h"
  89 #include "content/renderer/render_frame_impl.h"
  90 #include "content/renderer/render_frame_proxy.h"
  91 #include "content/renderer/render_process.h"
  92 #include "content/renderer/render_thread_impl.h"
  93 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
  94 #include "content/renderer/render_widget_fullscreen_pepper.h"
  95 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  96 #include "content/renderer/resizing_mode_selector.h"
  97 #include "content/renderer/savable_resources.h"
  98 #include "content/renderer/speech_recognition_dispatcher.h"
  99 #include "content/renderer/text_input_client_observer.h"
 100 #include "content/renderer/web_ui_extension_data.h"
 101 #include "content/renderer/web_ui_mojo.h"
 102 #include "content/renderer/websharedworker_proxy.h"
 103 #include "media/audio/audio_output_device.h"
 104 #include "media/base/media_switches.h"
 105 #include "media/renderers/audio_renderer_impl.h"
 106 #include "media/renderers/gpu_video_accelerator_factories.h"
 107 #include "net/base/data_url.h"
 108 #include "net/base/escape.h"
 109 #include "net/base/net_errors.h"
 110 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 111 #include "net/http/http_util.h"
 112 #include "skia/ext/platform_canvas.h"
 113 #include "third_party/WebKit/public/platform/WebCString.h"
 114 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 115 #include "third_party/WebKit/public/platform/WebDragData.h"
 116 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 117 #include "third_party/WebKit/public/platform/WebImage.h"
 118 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 119 #include "third_party/WebKit/public/platform/WebPoint.h"
 120 #include "third_party/WebKit/public/platform/WebRect.h"
 121 #include "third_party/WebKit/public/platform/WebSize.h"
 122 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 123 #include "third_party/WebKit/public/platform/WebString.h"
 124 #include "third_party/WebKit/public/platform/WebURL.h"
 125 #include "third_party/WebKit/public/platform/WebURLError.h"
 126 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 127 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 128 #include "third_party/WebKit/public/platform/WebVector.h"
 129 #include "third_party/WebKit/public/web/WebAXObject.h"
 130 #include "third_party/WebKit/public/web/WebColorName.h"
 131 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 132 #include "third_party/WebKit/public/web/WebDOMEvent.h"
 133 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
 134 #include "third_party/WebKit/public/web/WebDataSource.h"
 135 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
 136 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
 137 #include "third_party/WebKit/public/web/WebDevToolsAgent.h"
 138 #include "third_party/WebKit/public/web/WebDocument.h"
 139 #include "third_party/WebKit/public/web/WebElement.h"
 140 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 141 #include "third_party/WebKit/public/web/WebFindOptions.h"
 142 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 143 #include "third_party/WebKit/public/web/WebFormElement.h"
 144 #include "third_party/WebKit/public/web/WebFrame.h"
 145 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 146 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 147 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 148 #include "third_party/WebKit/public/web/WebInputElement.h"
 149 #include "third_party/WebKit/public/web/WebInputEvent.h"
 150 #include "third_party/WebKit/public/web/WebKit.h"
 151 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 152 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 153 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 154 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 155 #include "third_party/WebKit/public/web/WebNodeList.h"
 156 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 157 #include "third_party/WebKit/public/web/WebPlugin.h"
 158 #include "third_party/WebKit/public/web/WebPluginAction.h"
 159 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 160 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 161 #include "third_party/WebKit/public/web/WebRange.h"
 162 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 163 #include "third_party/WebKit/public/web/WebScriptSource.h"
 164 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 165 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 166 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 167 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 168 #include "third_party/WebKit/public/web/WebSettings.h"
 169 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 170 #include "third_party/WebKit/public/web/WebView.h"
 171 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 172 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 173 #include "third_party/icu/source/common/unicode/uchar.h"
 174 #include "third_party/icu/source/common/unicode/uscript.h"
 175 #include "ui/base/clipboard/clipboard.h"
 176 #include "ui/base/ui_base_switches_util.h"
 177 #include "ui/events/latency_info.h"
 178 #include "ui/gfx/geometry/point.h"
 179 #include "ui/gfx/geometry/rect.h"
 180 #include "ui/gfx/geometry/rect_conversions.h"
 181 #include "ui/gfx/geometry/size_conversions.h"
 182 #include "ui/gfx/native_widget_types.h"
 183 #include "v8/include/v8.h"
 184
 185 #if defined(OS_ANDROID)
 186 #include <cpu-features.h>
 187
 188 #include "content/renderer/android/address_detector.h"
 189 #include "content/renderer/android/content_detector.h"
 190 #include "content/renderer/android/email_detector.h"
 191 #include "content/renderer/android/phone_number_detector.h"
 192 #include "net/android/network_library.h"
 193 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 194 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 195 #include "ui/gfx/geometry/rect_f.h"
 196
 197 #elif defined(OS_WIN)
 198 // TODO(port): these files are currently Windows only because they concern:
 199 //   * theming
 200 #include "ui/native_theme/native_theme_win.h"
 201 #elif defined(USE_X11)
 202 #include "ui/native_theme/native_theme.h"
 203 #elif defined(OS_MACOSX)
 204 #include "skia/ext/skia_utils_mac.h"
 205 #endif
 206
 207 #if defined(ENABLE_PLUGINS)
 208 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 209 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 210 #include "content/renderer/pepper/pepper_plugin_registry.h"
 211 #endif
 212
 213 #if defined(ENABLE_WEBRTC)
 214 #include "content/renderer/media/rtc_peer_connection_handler.h"
 215 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 216 #endif
 217
 218 using blink::WebAXObject;
 219 using blink::WebApplicationCacheHost;
 220 using blink::WebApplicationCacheHostClient;
 221 using blink::WebCString;
 222 using blink::WebColor;
 223 using blink::WebColorName;
 224 using blink::WebConsoleMessage;
 225 using blink::WebData;
 226 using blink::WebDataSource;
 227 using blink::WebDocument;
 228 using blink::WebDOMEvent;
 229 using blink::WebDOMMessageEvent;
 230 using blink::WebDragData;
 231 using blink::WebDragOperation;
 232 using blink::WebDragOperationsMask;
 233 using blink::WebElement;
 234 using blink::WebFileChooserCompletion;
 235 using blink::WebFindOptions;
 236 using blink::WebFormControlElement;
 237 using blink::WebFormElement;
 238 using blink::WebFrame;
 239 using blink::WebGestureEvent;
 240 using blink::WebHistoryItem;
 241 using blink::WebHTTPBody;
 242 using blink::WebIconURL;
 243 using blink::WebImage;
 244 using blink::WebInputElement;
 245 using blink::WebInputEvent;
 246 using blink::WebLocalFrame;
 247 using blink::WebMediaPlayerAction;
 248 using blink::WebMouseEvent;
 249 using blink::WebNavigationPolicy;
 250 using blink::WebNavigationType;
 251 using blink::WebNode;
 252 using blink::WebPageSerializer;
 253 using blink::WebPageSerializerClient;
 254 using blink::WebPeerConnection00Handler;
 255 using blink::WebPeerConnection00HandlerClient;
 256 using blink::WebPeerConnectionHandler;
 257 using blink::WebPeerConnectionHandlerClient;
 258 using blink::WebPluginAction;
 259 using blink::WebPluginContainer;
 260 using blink::WebPluginDocument;
 261 using blink::WebPoint;
 262 using blink::WebRange;
 263 using blink::WebRect;
 264 using blink::WebReferrerPolicy;
 265 using blink::WebScriptSource;
 266 using blink::WebSearchableFormData;
 267 using blink::WebSecurityOrigin;
 268 using blink::WebSecurityPolicy;
 269 using blink::WebSerializedScriptValue;
 270 using blink::WebSettings;
 271 using blink::WebSize;
 272 using blink::WebStorageNamespace;
 273 using blink::WebStorageQuotaCallbacks;
 274 using blink::WebStorageQuotaError;
 275 using blink::WebStorageQuotaType;
 276 using blink::WebString;
 277 using blink::WebTextAffinity;
 278 using blink::WebTextDirection;
 279 using blink::WebTouchEvent;
 280 using blink::WebURL;
 281 using blink::WebURLError;
 282 using blink::WebURLRequest;
 283 using blink::WebURLResponse;
 284 using blink::WebUserGestureIndicator;
 285 using blink::WebVector;
 286 using blink::WebView;
 287 using blink::WebWidget;
 288 using blink::WebWindowFeatures;
 289 using blink::WebNetworkStateNotifier;
 290 using blink::WebRuntimeFeatures;
 291 using base::Time;
 292 using base::TimeDelta;
 293
 294 #if defined(OS_ANDROID)
 295 using blink::WebContentDetectionResult;
 296 using blink::WebFloatPoint;
 297 using blink::WebFloatRect;
 298 using blink::WebHitTestResult;
 299 #endif
 300
 301 namespace content {
 302
 303 //-----------------------------------------------------------------------------
 304
 305 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 306 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 307 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 308 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 309     LAZY_INSTANCE_INITIALIZER;
 310
 311 // Time, in seconds, we delay before sending content state changes (such as form
 312 // state and scroll position) to the browser. We delay sending changes to avoid
 313 // spamming the browser.
 314 // To avoid having tab/session restore require sending a message to get the
 315 // current content state during tab closing we use a shorter timeout for the
 316 // foreground renderer. This means there is a small window of time from which
 317 // content state is modified and not sent to session restore, but this is
 318 // better than having to wake up all renderers during shutdown.
 319 const int kDelaySecondsForContentStateSyncHidden = 5;
 320 const int kDelaySecondsForContentStateSync = 1;
 321
 322 #if defined(OS_ANDROID)
 323 // Delay between tapping in content and launching the associated android intent.
 324 // Used to allow users see what has been recognized as content.
 325 const size_t kContentIntentDelayMilliseconds = 700;
 326 #endif
 327
 328 static RenderViewImpl* (*g_create_render_view_impl)(const ViewMsg_New_Params&) =
 329     NULL;
 330
 331 // static
 332 bool RenderViewImpl::IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 333   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 334          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 335          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 336 }
 337
 338 // static
 339 Referrer RenderViewImpl::GetReferrerFromRequest(
 340     WebFrame* frame,
 341     const WebURLRequest& request) {
 342   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 343                   request.referrerPolicy());
 344 }
 345
 346 // static
 347 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 348     WebNavigationPolicy policy) {
 349   switch (policy) {
 350     case blink::WebNavigationPolicyIgnore:
 351       return IGNORE_ACTION;
 352     case blink::WebNavigationPolicyDownload:
 353       return SAVE_TO_DISK;
 354     case blink::WebNavigationPolicyCurrentTab:
 355       return CURRENT_TAB;
 356     case blink::WebNavigationPolicyNewBackgroundTab:
 357       return NEW_BACKGROUND_TAB;
 358     case blink::WebNavigationPolicyNewForegroundTab:
 359       return NEW_FOREGROUND_TAB;
 360     case blink::WebNavigationPolicyNewWindow:
 361       return NEW_WINDOW;
 362     case blink::WebNavigationPolicyNewPopup:
 363       return NEW_POPUP;
 364   default:
 365     NOTREACHED() << "Unexpected WebNavigationPolicy";
 366     return IGNORE_ACTION;
 367   }
 368 }
 369
 370 // Returns true if the device scale is high enough that losing subpixel
 371 // antialiasing won't have a noticeable effect on text quality.
 372 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 373 #if defined(OS_ANDROID)
 374   // On Android, we never have subpixel antialiasing.
 375   return true;
 376 #else
 377   return device_scale_factor > 1.5f;
 378 #endif
 379
 380 }
 381
 382 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 383                                        float device_scale_factor) {
 384   const base::CommandLine& command_line =
 385       *base::CommandLine::ForCurrentProcess();
 386   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 387     return false;
 388   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 389     return true;
 390   if (!compositor_deps->IsLcdTextEnabled())
 391     return true;
 392   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 393 }
 394
 395 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 396   switch (type) {
 397     case blink::WebIconURL::TypeFavicon:
 398       return FaviconURL::FAVICON;
 399     case blink::WebIconURL::TypeTouch:
 400       return FaviconURL::TOUCH_ICON;
 401     case blink::WebIconURL::TypeTouchPrecomposed:
 402       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 403     case blink::WebIconURL::TypeInvalid:
 404       return FaviconURL::INVALID_ICON;
 405   }
 406   return FaviconURL::INVALID_ICON;
 407 }
 408
 409 static void ConvertToFaviconSizes(
 410     const blink::WebVector<blink::WebSize>& web_sizes,
 411     std::vector<gfx::Size>* sizes) {
 412   DCHECK(sizes->empty());
 413   sizes->reserve(web_sizes.size());
 414   for (size_t i = 0; i < web_sizes.size(); ++i)
 415     sizes->push_back(gfx::Size(web_sizes[i]));
 416 }
 417
 418 ///////////////////////////////////////////////////////////////////////////////
 419
 420 struct RenderViewImpl::PendingFileChooser {
 421   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 422       : params(p),
 423         completion(c) {
 424   }
 425   FileChooserParams params;
 426   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 427 };
 428
 429 namespace {
 430
 431 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 432  public:
 433   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 434       : webwidget_(webwidget) {}
 435
 436   void OnLockMouseACK(bool succeeded) override {
 437     if (succeeded)
 438       webwidget_->didAcquirePointerLock();
 439     else
 440       webwidget_->didNotAcquirePointerLock();
 441   }
 442
 443   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 444
 445   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 446     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 447     return false;
 448   }
 449
 450  private:
 451   blink::WebWidget* webwidget_;
 452 };
 453
 454 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 455   std::vector<WebDragData::Item> item_list;
 456
 457   // These fields are currently unused when dragging into WebKit.
 458   DCHECK(drop_data.download_metadata.empty());
 459   DCHECK(drop_data.file_contents.empty());
 460   DCHECK(drop_data.file_description_filename.empty());
 461
 462   if (!drop_data.text.is_null()) {
 463     WebDragData::Item item;
 464     item.storageType = WebDragData::Item::StorageTypeString;
 465     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 466     item.stringData = drop_data.text.string();
 467     item_list.push_back(item);
 468   }
 469
 470   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 471   // meaningful to write an empty URL to the clipboard?
 472   if (!drop_data.url.is_empty()) {
 473     WebDragData::Item item;
 474     item.storageType = WebDragData::Item::StorageTypeString;
 475     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 476     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 477     item.title = drop_data.url_title;
 478     item_list.push_back(item);
 479   }
 480
 481   if (!drop_data.html.is_null()) {
 482     WebDragData::Item item;
 483     item.storageType = WebDragData::Item::StorageTypeString;
 484     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 485     item.stringData = drop_data.html.string();
 486     item.baseURL = drop_data.html_base_url;
 487     item_list.push_back(item);
 488   }
 489
 490   for (std::vector<ui::FileInfo>::const_iterator it =
 491            drop_data.filenames.begin();
 492        it != drop_data.filenames.end();
 493        ++it) {
 494     WebDragData::Item item;
 495     item.storageType = WebDragData::Item::StorageTypeFilename;
 496     item.filenameData = it->path.AsUTF16Unsafe();
 497     item.displayNameData = it->display_name.AsUTF16Unsafe();
 498     item_list.push_back(item);
 499   }
 500
 501   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 502            drop_data.file_system_files.begin();
 503        it != drop_data.file_system_files.end();
 504        ++it) {
 505     WebDragData::Item item;
 506     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 507     item.fileSystemURL = it->url;
 508     item.fileSystemFileSize = it->size;
 509     item_list.push_back(item);
 510   }
 511
 512   for (std::map<base::string16, base::string16>::const_iterator it =
 513            drop_data.custom_data.begin();
 514        it != drop_data.custom_data.end();
 515        ++it) {
 516     WebDragData::Item item;
 517     item.storageType = WebDragData::Item::StorageTypeString;
 518     item.stringType = it->first;
 519     item.stringData = it->second;
 520     item_list.push_back(item);
 521   }
 522
 523   WebDragData result;
 524   result.initialize();
 525   result.setItems(item_list);
 526   result.setFilesystemId(drop_data.filesystem_id);
 527   return result;
 528 }
 529
 530 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 531                                      const base::string16&,
 532                                      UScriptCode);
 533
 534 void SetStandardFontFamilyWrapper(WebSettings* settings,
 535                                   const base::string16& font,
 536                                   UScriptCode script) {
 537   settings->setStandardFontFamily(font, script);
 538 }
 539
 540 void SetFixedFontFamilyWrapper(WebSettings* settings,
 541                                const base::string16& font,
 542                                UScriptCode script) {
 543   settings->setFixedFontFamily(font, script);
 544 }
 545
 546 void SetSerifFontFamilyWrapper(WebSettings* settings,
 547                                const base::string16& font,
 548                                UScriptCode script) {
 549   settings->setSerifFontFamily(font, script);
 550 }
 551
 552 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 553                                    const base::string16& font,
 554                                    UScriptCode script) {
 555   settings->setSansSerifFontFamily(font, script);
 556 }
 557
 558 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 559                                  const base::string16& font,
 560                                  UScriptCode script) {
 561   settings->setCursiveFontFamily(font, script);
 562 }
 563
 564 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 565                                  const base::string16& font,
 566                                  UScriptCode script) {
 567   settings->setFantasyFontFamily(font, script);
 568 }
 569
 570 void SetPictographFontFamilyWrapper(WebSettings* settings,
 571                                     const base::string16& font,
 572                                     UScriptCode script) {
 573   settings->setPictographFontFamily(font, script);
 574 }
 575
 576 // If |scriptCode| is a member of a family of "similar" script codes, returns
 577 // the script code in that family that is used by WebKit for font selection
 578 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 579 // considered equivalent for the purposes of font selection.  WebKit uses the
 580 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 581 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 582 // uses different scripts than the ones in Chrome pref names because the version
 583 // of ICU included on certain ports does not have some of the newer scripts.  If
 584 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 585 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 586   switch (scriptCode) {
 587     case USCRIPT_HIRAGANA:
 588     case USCRIPT_KATAKANA:
 589     case USCRIPT_JAPANESE:
 590       return USCRIPT_KATAKANA_OR_HIRAGANA;
 591     case USCRIPT_KOREAN:
 592       return USCRIPT_HANGUL;
 593     default:
 594       return scriptCode;
 595   }
 596 }
 597
 598 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 599                        SetFontFamilyWrapper setter,
 600                        WebSettings* settings) {
 601   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 602        ++it) {
 603     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 604     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 605       UScriptCode code = static_cast<UScriptCode>(script);
 606       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 607     }
 608   }
 609 }
 610
 611 }  // namespace
 612
 613 RenderViewImpl::RenderViewImpl(const ViewMsg_New_Params& params)
 614     : RenderWidget(blink::WebPopupTypeNone,
 615                    params.initial_size.screen_info,
 616                    params.swapped_out,
 617                    params.hidden,
 618                    params.never_visible),
 619       webkit_preferences_(params.web_preferences),
 620       send_content_state_immediately_(false),
 621       enabled_bindings_(0),
 622       send_preferred_size_changes_(false),
 623       navigation_gesture_(NavigationGestureUnknown),
 624       opened_by_user_gesture_(true),
 625       opener_suppressed_(false),
 626       suppress_dialogs_until_swap_out_(false),
 627       page_id_(-1),
 628       next_page_id_(params.next_page_id),
 629       history_list_offset_(-1),
 630       history_list_length_(0),
 631       frames_in_progress_(0),
 632       target_url_status_(TARGET_NONE),
 633       uses_temporary_zoom_level_(false),
 634 #if defined(OS_ANDROID)
 635       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 636 #endif
 637       has_scrolled_focused_editable_node_into_rect_(false),
 638       speech_recognition_dispatcher_(NULL),
 639       devtools_agent_(NULL),
 640       mouse_lock_dispatcher_(NULL),
 641 #if defined(OS_ANDROID)
 642       expected_content_intent_id_(0),
 643 #endif
 644 #if defined(OS_WIN)
 645       focused_plugin_id_(-1),
 646 #endif
 647 #if defined(ENABLE_PLUGINS)
 648       plugin_find_handler_(NULL),
 649       focused_pepper_plugin_(NULL),
 650       pepper_last_mouse_event_target_(NULL),
 651 #endif
 652       enumeration_completion_id_(0),
 653       session_storage_namespace_id_(params.session_storage_namespace_id),
 654       page_scale_factor_is_one_(true),
 655       debug_info_(params.debug_info) {
 656 }
 657
 658 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 659                                 CompositorDependencies* compositor_deps,
 660                                 bool was_created_by_renderer) {
 661   routing_id_ = params.view_id;
 662   surface_id_ = params.surface_id;
 663   if (params.opener_route_id != MSG_ROUTING_NONE && was_created_by_renderer)
 664     opener_id_ = params.opener_route_id;
 665
 666   // Ensure we start with a valid next_page_id_ from the browser.
 667   DCHECK_GE(next_page_id_, 0);
 668
 669   main_render_frame_.reset(RenderFrameImpl::Create(
 670       this, params.main_frame_routing_id));
 671   // The main frame WebLocalFrame object is closed by
 672   // RenderFrameImpl::frameDetached().
 673   WebLocalFrame* web_frame = WebLocalFrame::create(main_render_frame_.get());
 674   main_render_frame_->SetWebFrame(web_frame);
 675
 676   compositor_deps_ = compositor_deps;
 677   webwidget_ = WebView::create(this);
 678   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 679
 680   const base::CommandLine& command_line =
 681       *base::CommandLine::ForCurrentProcess();
 682
 683   if (command_line.HasSwitch(switches::kStatsCollectionController))
 684     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 685
 686 #if defined(OS_ANDROID)
 687   const std::string region_code =
 688       command_line.HasSwitch(switches::kNetworkCountryIso)
 689           ? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso)
 690           : net::android::GetTelephonyNetworkCountryIso();
 691   content_detectors_.push_back(linked_ptr<ContentDetector>(
 692       new AddressDetector()));
 693   if (!region_code.empty()) {
 694     content_detectors_.push_back(linked_ptr<ContentDetector>(
 695         new PhoneNumberDetector(region_code)));
 696   }
 697   content_detectors_.push_back(linked_ptr<ContentDetector>(
 698       new EmailDetector()));
 699 #endif
 700
 701   RenderThread::Get()->AddRoute(routing_id_, this);
 702   // Take a reference on behalf of the RenderThread.  This will be balanced
 703   // when we receive ViewMsg_ClosePage.
 704   AddRef();
 705   if (RenderThreadImpl::current()) {
 706     RenderThreadImpl::current()->WidgetCreated();
 707     if (is_hidden_)
 708       RenderThreadImpl::current()->WidgetHidden();
 709   }
 710
 711   // If this is a popup, we must wait for the CreatingNew_ACK message before
 712   // completing initialization.  Otherwise, we can finish it now.
 713   if (opener_id_ == MSG_ROUTING_NONE) {
 714     did_show_ = true;
 715     CompleteInit();
 716   }
 717
 718   g_view_map.Get().insert(std::make_pair(webview(), this));
 719   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 720   webview()->setDeviceScaleFactor(device_scale_factor_);
 721   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 722       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 723   webview()->settings()->setThreadedScrollingEnabled(
 724       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 725   webview()->settings()->setRootLayerScrolls(
 726       command_line.HasSwitch(switches::kRootLayerScrolls));
 727
 728   ApplyWebPreferences(webkit_preferences_, webview());
 729
 730   webview()->settings()->setAllowConnectingInsecureWebSocket(
 731       command_line.HasSwitch(switches::kAllowInsecureWebSocketFromHttpsOrigin));
 732
 733   RenderFrameProxy* proxy = NULL;
 734   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 735     CHECK(params.swapped_out);
 736     proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 737         main_render_frame_.get(), params.proxy_routing_id);
 738     main_render_frame_->set_render_frame_proxy(proxy);
 739   }
 740
 741   // In --site-per-process, just use the WebRemoteFrame as the main frame.
 742   if (command_line.HasSwitch(switches::kSitePerProcess) && proxy) {
 743     webview()->setMainFrame(proxy->web_frame());
 744     // Initialize the WebRemoteFrame with information replicated from the
 745     // browser process.
 746     proxy->SetReplicatedState(params.replicated_frame_state);
 747   } else {
 748     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 749   }
 750   main_render_frame_->Initialize();
 751
 752   if (switches::IsTouchDragDropEnabled())
 753     webview()->settings()->setTouchDragDropEnabled(true);
 754
 755   if (switches::IsTouchEditingEnabled())
 756     webview()->settings()->setTouchEditingEnabled(true);
 757
 758   if (!params.frame_name.empty())
 759     webview()->mainFrame()->setName(params.frame_name);
 760
 761   // TODO(davidben): Move this state from Blink into content.
 762   if (params.window_was_created_with_opener)
 763     webview()->setOpenedByDOM();
 764
 765   OnSetRendererPrefs(params.renderer_preferences);
 766
 767   if (!params.enable_auto_resize) {
 768     OnResize(params.initial_size);
 769   } else {
 770     OnEnableAutoResize(params.min_size, params.max_size);
 771   }
 772
 773   new MHTMLGenerator(this);
 774 #if defined(OS_MACOSX)
 775   new TextInputClientObserver(this);
 776 #endif  // defined(OS_MACOSX)
 777
 778   // The next group of objects all implement RenderViewObserver, so are deleted
 779   // along with the RenderView automatically.
 780   devtools_agent_ = new DevToolsAgent(main_render_frame_.get());
 781   if (RenderWidgetCompositor* rwc = compositor()) {
 782     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
 783   }
 784   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 785
 786   history_controller_.reset(new HistoryController(this));
 787
 788   new IdleUserDetector(this);
 789
 790   if (command_line.HasSwitch(switches::kDomAutomationController))
 791     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 792   if (command_line.HasSwitch(switches::kStatsCollectionController))
 793     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 794
 795   GetContentClient()->renderer()->RenderViewCreated(this);
 796
 797   // If we have an opener_id but we weren't created by a renderer, then
 798   // it's the browser asking us to set our opener to another RenderView.
 799   if (params.opener_route_id != MSG_ROUTING_NONE && !was_created_by_renderer) {
 800     RenderViewImpl* opener_view = FromRoutingID(params.opener_route_id);
 801     if (opener_view)
 802       webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame());
 803   }
 804
 805   // If we are initially swapped out, navigate to kSwappedOutURL.
 806   // This ensures we are in a unique origin that others cannot script.
 807   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 808     main_render_frame_->NavigateToSwappedOutURL();
 809 }
 810
 811 RenderViewImpl::~RenderViewImpl() {
 812   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 813        it != disambiguation_bitmaps_.end();
 814        ++it)
 815     delete it->second;
 816   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 817
 818   // If file chooser is still waiting for answer, dispatch empty answer.
 819   while (!file_chooser_completions_.empty()) {
 820     if (file_chooser_completions_.front()->completion) {
 821       file_chooser_completions_.front()->completion->didChooseFile(
 822           WebVector<WebString>());
 823     }
 824     file_chooser_completions_.pop_front();
 825   }
 826
 827 #if defined(OS_ANDROID)
 828   // The date/time picker client is both a scoped_ptr member of this class and
 829   // a RenderViewObserver. Reset it to prevent double deletion.
 830   date_time_picker_client_.reset();
 831 #endif
 832
 833 #ifndef NDEBUG
 834   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 835   ViewMap* views = g_view_map.Pointer();
 836   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 837     DCHECK_NE(this, it->second) << "Failed to call Close?";
 838   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 839   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 840        it != routing_id_views->end(); ++it)
 841     DCHECK_NE(this, it->second) << "Failed to call Close?";
 842 #endif
 843
 844   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 845   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 846 }
 847
 848 /*static*/
 849 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 850   ViewMap* views = g_view_map.Pointer();
 851   ViewMap::iterator it = views->find(webview);
 852   return it == views->end() ? NULL : it->second;
 853 }
 854
 855 /*static*/
 856 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 857   return RenderViewImpl::FromWebView(webview);
 858 }
 859
 860 /*static*/
 861 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 862   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 863   RoutingIDViewMap::iterator it = views->find(routing_id);
 864   return it == views->end() ? NULL : it->second;
 865 }
 866
 867 /*static*/
 868 RenderView* RenderView::FromRoutingID(int routing_id) {
 869   return RenderViewImpl::FromRoutingID(routing_id);
 870 }
 871
 872 /* static */
 873 size_t RenderViewImpl::GetRenderViewCount() {
 874   return g_view_map.Get().size();
 875 }
 876
 877 /*static*/
 878 void RenderView::ForEach(RenderViewVisitor* visitor) {
 879   ViewMap* views = g_view_map.Pointer();
 880   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 881     if (!visitor->Visit(it->second))
 882       return;
 883   }
 884 }
 885
 886 /*static*/
 887 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 888                                      WebView* web_view) {
 889   WebSettings* settings = web_view->settings();
 890   ApplyFontsFromMap(prefs.standard_font_family_map,
 891                     SetStandardFontFamilyWrapper, settings);
 892   ApplyFontsFromMap(prefs.fixed_font_family_map,
 893                     SetFixedFontFamilyWrapper, settings);
 894   ApplyFontsFromMap(prefs.serif_font_family_map,
 895                     SetSerifFontFamilyWrapper, settings);
 896   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 897                     SetSansSerifFontFamilyWrapper, settings);
 898   ApplyFontsFromMap(prefs.cursive_font_family_map,
 899                     SetCursiveFontFamilyWrapper, settings);
 900   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 901                     SetFantasyFontFamilyWrapper, settings);
 902   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 903                     SetPictographFontFamilyWrapper, settings);
 904   settings->setDefaultFontSize(prefs.default_font_size);
 905   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 906   settings->setMinimumFontSize(prefs.minimum_font_size);
 907   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 908   settings->setDefaultTextEncodingName(
 909       base::ASCIIToUTF16(prefs.default_encoding));
 910   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 911   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 912   settings->setJavaScriptCanOpenWindowsAutomatically(
 913       prefs.javascript_can_open_windows_automatically);
 914   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 915   settings->setImagesEnabled(prefs.images_enabled);
 916   settings->setPluginsEnabled(prefs.plugins_enabled);
 917   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 918   settings->setShrinksStandaloneImagesToFit(
 919       prefs.shrinks_standalone_images_to_fit);
 920   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 921   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 922   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 923   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 924   settings->setJavaScriptCanAccessClipboard(
 925       prefs.javascript_can_access_clipboard);
 926   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 927   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 928   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 929   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 930   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 931   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 932   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 933   settings->setOfflineWebApplicationCacheEnabled(
 934       prefs.application_cache_enabled);
 935   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
 936   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
 937   settings->setCookieEnabled(prefs.cookie_enabled);
 938   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
 939
 940   settings->setJavaEnabled(prefs.java_enabled);
 941
 942   // By default, allow_universal_access_from_file_urls is set to false and thus
 943   // we mitigate attacks from local HTML files by not granting file:// URLs
 944   // universal access. Only test shell will enable this.
 945   settings->setAllowUniversalAccessFromFileURLs(
 946       prefs.allow_universal_access_from_file_urls);
 947   settings->setAllowFileAccessFromFileURLs(
 948       prefs.allow_file_access_from_file_urls);
 949
 950   // Enable the web audio API if requested on the command line.
 951   settings->setWebAudioEnabled(prefs.webaudio_enabled);
 952
 953   // Enable experimental WebGL support if requested on command line
 954   // and support is compiled in.
 955   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 956
 957   // Disable GL multisampling if requested on command line.
 958   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
 959
 960   // Enable WebGL errors to the JS console if requested.
 961   settings->setWebGLErrorsToConsoleEnabled(
 962       prefs.webgl_errors_to_console_enabled);
 963
 964   // Uses the mock theme engine for scrollbars.
 965   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 966
 967   // Enable gpu-accelerated 2d canvas if requested on the command line.
 968   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 969
 970   settings->setMinimumAccelerated2dCanvasSize(
 971       prefs.minimum_accelerated_2d_canvas_size);
 972
 973   // Disable antialiasing for 2d canvas if requested on the command line.
 974   settings->setAntialiased2dCanvasEnabled(
 975       !prefs.antialiased_2d_canvas_disabled);
 976
 977   // Enabled antialiasing of clips for 2d canvas if requested on the command
 978   // line.
 979   settings->setAntialiasedClips2dCanvasEnabled(
 980       prefs.antialiased_clips_2d_canvas_enabled);
 981
 982   // Set MSAA sample count for 2d canvas if requested on the command line (or
 983   // default value if not).
 984   settings->setAccelerated2dCanvasMSAASampleCount(
 985       prefs.accelerated_2d_canvas_msaa_sample_count);
 986
 987   WebRuntimeFeatures::enableTextBlobs(prefs.text_blobs_enabled);
 988
 989   settings->setAsynchronousSpellCheckingEnabled(
 990       prefs.asynchronous_spell_checking_enabled);
 991   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
 992
 993   // Tabs to link is not part of the settings. WebCore calls
 994   // ChromeClient::tabsToLinks which is part of the glue code.
 995   web_view->setTabsToLinks(prefs.tabs_to_links);
 996
 997   settings->setAllowDisplayOfInsecureContent(
 998       prefs.allow_displaying_insecure_content);
 999   settings->setAllowRunningOfInsecureContent(
1000       prefs.allow_running_insecure_content);
1001   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1002   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1003   settings->setStrictPowerfulFeatureRestrictions(
1004       prefs.strict_powerful_feature_restrictions);
1005   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1006   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1007   settings->setShouldClearDocumentBackground(
1008       prefs.should_clear_document_background);
1009   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1010
1011   settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled);
1012
1013   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1014   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1015   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1016   settings->setPrimaryPointerType(
1017       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1018   settings->setAvailableHoverTypes(prefs.available_hover_types);
1019   settings->setPrimaryHoverType(
1020       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1021   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1022   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1023   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1024
1025   settings->setDeferredImageDecodingEnabled(
1026       prefs.deferred_image_decoding_enabled);
1027   WebRuntimeFeatures::enableImageColorProfiles(
1028       prefs.image_color_profiles_enabled);
1029   settings->setShouldRespectImageOrientation(
1030       prefs.should_respect_image_orientation);
1031
1032   settings->setUnsafePluginPastingEnabled(false);
1033   settings->setEditingBehavior(
1034       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1035
1036   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1037
1038   settings->setViewportEnabled(prefs.viewport_enabled);
1039   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1040   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1041   settings->setMainFrameResizesAreOrientationChanges(
1042       prefs.main_frame_resizes_are_orientation_changes);
1043
1044   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1045
1046   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1047
1048   settings->setSelectionIncludesAltImageText(true);
1049
1050   settings->setV8CacheOptions(
1051       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1052
1053   settings->setImageAnimationPolicy(
1054       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1055
1056   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1057   web_view->setDefaultPageScaleLimits(
1058       prefs.default_minimum_page_scale_factor,
1059       prefs.default_maximum_page_scale_factor);
1060
1061 #if defined(OS_ANDROID)
1062   settings->setAllowCustomScrollbarInMainFrame(false);
1063   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1064   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1065   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1066   settings->setFullscreenSupported(prefs.fullscreen_supported);
1067   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1068   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1069   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1070   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1071   settings->setMediaPlaybackRequiresUserGesture(
1072       prefs.user_gesture_required_for_media_playback);
1073   settings->setDefaultVideoPosterURL(
1074         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1075   settings->setSupportDeprecatedTargetDensityDPI(
1076       prefs.support_deprecated_target_density_dpi);
1077   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1078       prefs.use_legacy_background_size_shorthand_behavior);
1079   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1080   settings->setUseWideViewport(prefs.use_wide_viewport);
1081   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1082   settings->setViewportMetaLayoutSizeQuirk(
1083       prefs.viewport_meta_layout_size_quirk);
1084   settings->setViewportMetaMergeContentQuirk(
1085       prefs.viewport_meta_merge_content_quirk);
1086   settings->setViewportMetaNonUserScalableQuirk(
1087       prefs.viewport_meta_non_user_scalable_quirk);
1088   settings->setViewportMetaZeroValuesQuirk(
1089       prefs.viewport_meta_zero_values_quirk);
1090   settings->setClobberUserAgentInitialScaleQuirk(
1091       prefs.clobber_user_agent_initial_scale_quirk);
1092   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1093       prefs.ignore_main_frame_overflow_hidden_quirk);
1094   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1095       prefs.report_screen_size_in_physical_pixels_quirk);
1096
1097   bool record_full_layer =
1098       RenderViewImpl::FromWebView(web_view)
1099           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1100           : false;
1101   settings->setMainFrameClipsContent(!record_full_layer);
1102
1103   settings->setShrinksStandaloneImagesToFit(false);
1104   settings->setShrinksViewportContentToFit(true);
1105   settings->setUseMobileViewportStyle(true);
1106 #endif
1107
1108   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1109   WebNetworkStateNotifier::setWebConnectionType(
1110       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1111   settings->setPinchVirtualViewportEnabled(
1112       prefs.pinch_virtual_viewport_enabled);
1113
1114   settings->setPinchOverlayScrollbarThickness(
1115       prefs.pinch_overlay_scrollbar_thickness);
1116   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1117
1118   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1119
1120 #if defined(OS_MACOSX)
1121   settings->setDoubleTapToZoomEnabled(true);
1122   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1123 #endif
1124 }
1125
1126 /*static*/
1127 RenderViewImpl* RenderViewImpl::Create(const ViewMsg_New_Params& params,
1128                                        CompositorDependencies* compositor_deps,
1129                                        bool was_created_by_renderer) {
1130   DCHECK(params.view_id != MSG_ROUTING_NONE);
1131   RenderViewImpl* render_view = NULL;
1132   if (g_create_render_view_impl)
1133     render_view = g_create_render_view_impl(params);
1134   else
1135     render_view = new RenderViewImpl(params);
1136
1137   render_view->Initialize(params, compositor_deps, was_created_by_renderer);
1138   return render_view;
1139 }
1140
1141 // static
1142 void RenderViewImpl::InstallCreateHook(
1143     RenderViewImpl* (*create_render_view_impl)(const ViewMsg_New_Params&)) {
1144   CHECK(!g_create_render_view_impl);
1145   g_create_render_view_impl = create_render_view_impl;
1146 }
1147
1148 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1149   observers_.AddObserver(observer);
1150 }
1151
1152 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1153   observer->RenderViewGone();
1154   observers_.RemoveObserver(observer);
1155 }
1156
1157 blink::WebView* RenderViewImpl::webview() const {
1158   return static_cast<blink::WebView*>(webwidget());
1159 }
1160
1161 #if defined(ENABLE_PLUGINS)
1162 void RenderViewImpl::PepperInstanceCreated(
1163     PepperPluginInstanceImpl* instance) {
1164   active_pepper_instances_.insert(instance);
1165 }
1166
1167 void RenderViewImpl::PepperInstanceDeleted(
1168     PepperPluginInstanceImpl* instance) {
1169   active_pepper_instances_.erase(instance);
1170
1171   if (pepper_last_mouse_event_target_ == instance)
1172     pepper_last_mouse_event_target_ = NULL;
1173   if (focused_pepper_plugin_ == instance)
1174     PepperFocusChanged(instance, false);
1175 }
1176
1177 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1178                                         bool focused) {
1179   if (focused)
1180     focused_pepper_plugin_ = instance;
1181   else if (focused_pepper_plugin_ == instance)
1182     focused_pepper_plugin_ = NULL;
1183
1184   UpdateTextInputType();
1185   UpdateSelectionBounds();
1186 }
1187
1188 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1189   plugin_delegates_.insert(delegate);
1190   // If the renderer is visible, set initial visibility and focus state.
1191   if (!is_hidden()) {
1192 #if defined(OS_MACOSX)
1193     delegate->SetContainerVisibility(true);
1194     if (webview() && webview()->isActive())
1195       delegate->SetWindowFocus(true);
1196 #endif
1197   }
1198   // Plugins start assuming the content has focus (so that they work in
1199   // environments where RenderView isn't hosting them), so we always have to
1200   // set the initial state. See webplugin_delegate_impl.h for details.
1201   delegate->SetContentAreaFocus(has_focus());
1202 }
1203
1204 void RenderViewImpl::UnregisterPluginDelegate(
1205     WebPluginDelegateProxy* delegate) {
1206   plugin_delegates_.erase(delegate);
1207 }
1208
1209 #if defined(OS_WIN)
1210 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1211   if (focused)
1212     focused_plugin_id_ = plugin_id;
1213   else
1214     focused_plugin_id_ = -1;
1215 }
1216 #endif
1217
1218 #if defined(OS_MACOSX)
1219 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1220   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1221 }
1222
1223 void RenderViewImpl::OnGetRenderedText() {
1224   if (!webview())
1225     return;
1226   // Get rendered text from WebLocalFrame.
1227   // TODO: Currently IPC truncates any data that has a
1228   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1229   // send back using multiple IPC. See http://crbug.com/393444.
1230   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1231   std::string text = webview()->mainFrame()->contentAsText(
1232       kMaximumMessageSize).utf8();
1233
1234   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1235 }
1236
1237 void RenderViewImpl::StartPluginIme() {
1238   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1239   // This message can be sent during event-handling, and needs to be delivered
1240   // within that context.
1241   msg->set_unblock(true);
1242   Send(msg);
1243 }
1244 #endif  // defined(OS_MACOSX)
1245
1246 #endif  // ENABLE_PLUGINS
1247
1248 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1249     const blink::WebActiveWheelFlingParameters& params) {
1250   if (webview())
1251     webview()->transferActiveWheelFlingAnimation(params);
1252 }
1253
1254 bool RenderViewImpl::HasIMETextFocus() {
1255   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1256 }
1257
1258 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1259   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1260   if (main_frame && main_frame->isWebLocalFrame())
1261     GetContentClient()->SetActiveURL(main_frame->document().url());
1262
1263   ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1264   RenderViewObserver* observer;
1265   while ((observer = it.GetNext()) != NULL)
1266     if (observer->OnMessageReceived(message))
1267       return true;
1268
1269   bool handled = true;
1270   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1271     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1272     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1273     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1274                         OnScrollFocusedEditableNodeIntoRect)
1275     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1276                         OnSetEditCommandsForNextKeyEvent)
1277     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1278     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1279     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1280     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1281     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1282     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1283     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1284                         OnSetZoomLevelForLoadingURL)
1285     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1286                         OnSetZoomLevelForView)
1287     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1288     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1289                         OnResetPageEncodingToDefault)
1290     IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
1291     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1292     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1293     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1294     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1295     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1296     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1297                         OnDragSourceSystemDragEnded)
1298     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1299     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1300     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1301     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1302     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1303                         OnEnumerateDirectoryResponse)
1304     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1305     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1306                         OnSuppressDialogsUntilSwapOut)
1307     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1308     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1309     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1310     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1311     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1312     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1313                         OnEnablePreferredSizeChangedMode)
1314     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1315     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1316     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1317                         OnDisableScrollbarsForSmallWindows)
1318     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1319     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1320     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1321     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1322     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1323                         OnGetAllSavableResourceLinksForCurrentPage)
1324     IPC_MESSAGE_HANDLER(
1325         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1326         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1327     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1328     // TODO(viettrungluu): Move to a separate message filter.
1329     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1330                         OnSetHistoryOffsetAndLength)
1331     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1332     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1333                         OnReleaseDisambiguationPopupBitmap)
1334     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1335     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1336 #if defined(OS_ANDROID)
1337     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1338                         OnActivateNearestFindResult)
1339     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1340     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1341                         OnUpdateTopControlsState)
1342     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1343 #elif defined(OS_MACOSX)
1344     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1345                         OnGetRenderedText)
1346     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1347                         OnPluginImeCompositionCompleted)
1348     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1349     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1350     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1351 #endif
1352     // Adding a new message? Add platform independent ones first, then put the
1353     // platform specific ones at the end.
1354
1355     // Have the super handle all other messages.
1356     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1357   IPC_END_MESSAGE_MAP()
1358
1359   return handled;
1360 }
1361
1362 void RenderViewImpl::OnSelectWordAroundCaret() {
1363   if (!webview())
1364     return;
1365
1366   handling_input_event_ = true;
1367   webview()->focusedFrame()->selectWordAroundCaret();
1368   handling_input_event_ = false;
1369 }
1370
1371 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1372   webview()->copyImageAt(WebPoint(x, y));
1373 }
1374
1375 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1376   webview()->saveImageAt(WebPoint(x, y));
1377 }
1378
1379 void RenderViewImpl::OnUpdateTargetURLAck() {
1380   // Check if there is a targeturl waiting to be sent.
1381   if (target_url_status_ == TARGET_PENDING)
1382     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1383
1384   target_url_status_ = TARGET_NONE;
1385 }
1386
1387 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1388     const std::string& value) {
1389   if (!webview() || !webview()->focusedFrame())
1390     return;
1391
1392   webview()->focusedFrame()->executeCommand(
1393       WebString::fromUTF8(name), WebString::fromUTF8(value));
1394 }
1395
1396 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1397   if (!webview())
1398     return;
1399
1400   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1401
1402   webview()->focusedFrame()->moveCaretSelection(point);
1403 }
1404
1405 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1406     const gfx::Rect& rect) {
1407   if (has_scrolled_focused_editable_node_into_rect_ &&
1408       rect == rect_for_scrolled_focused_editable_node_) {
1409     FocusChangeComplete();
1410     return;
1411   }
1412
1413   blink::WebElement element = GetFocusedElement();
1414   bool will_animate = false;
1415   if (!element.isNull() && IsEditableNode(element)) {
1416     rect_for_scrolled_focused_editable_node_ = rect;
1417     has_scrolled_focused_editable_node_into_rect_ = true;
1418     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1419   }
1420
1421   if (!will_animate)
1422     FocusChangeComplete();
1423 }
1424
1425 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1426     const EditCommands& edit_commands) {
1427   edit_commands_ = edit_commands;
1428 }
1429
1430 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1431                                                  int history_length) {
1432   DCHECK_GE(history_offset, -1);
1433   DCHECK_GE(history_length, 0);
1434
1435   history_list_offset_ = history_offset;
1436   history_list_length_ = history_length;
1437 }
1438
1439 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1440   if (!webview())
1441     return;
1442   webview()->setInitialFocus(reverse);
1443 }
1444
1445 #if defined(OS_MACOSX)
1446 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1447   if (!webview())
1448     return;
1449   if (in_live_resize)
1450     webview()->willStartLiveResize();
1451   else
1452     webview()->willEndLiveResize();
1453 }
1454 #endif
1455
1456 ///////////////////////////////////////////////////////////////////////////////
1457
1458 // Sends the current history state to the browser so it will be saved before we
1459 // navigate to a new page.
1460 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
1461   // If we have a valid page ID at this point, then it corresponds to the page
1462   // we are navigating away from.  Otherwise, this is the first navigation, so
1463   // there is no past session history to record.
1464   if (page_id_ == -1)
1465     return;
1466   SendUpdateState(history_controller_->GetCurrentEntry());
1467 }
1468
1469 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) {
1470   if (!entry)
1471     return;
1472
1473   // Don't send state updates for kSwappedOutURL.
1474   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1475     return;
1476
1477   Send(new ViewHostMsg_UpdateState(
1478       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1479 }
1480
1481 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1482   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1483   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1484   // it is particularly important that we do not call willEnterModalLoop as
1485   // that would defer resource loads for the dialog itself.
1486   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1487     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1488
1489   message->EnableMessagePumping();  // Runs a nested message loop.
1490   return Send(message);
1491 }
1492
1493 void RenderViewImpl::OnForceRedraw(int id) {
1494   ui::LatencyInfo latency_info;
1495   if (id) {
1496     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1497                                   0,
1498                                   id);
1499   }
1500   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1501   if (RenderWidgetCompositor* rwc = compositor()) {
1502     latency_info_swap_promise_monitor =
1503         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1504   }
1505   ScheduleCompositeWithForcedRedraw();
1506 }
1507
1508 // blink::WebViewClient ------------------------------------------------------
1509
1510 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1511                                     const WebURLRequest& request,
1512                                     const WebWindowFeatures& features,
1513                                     const WebString& frame_name,
1514                                     WebNavigationPolicy policy,
1515                                     bool suppress_opener) {
1516   ViewHostMsg_CreateWindow_Params params;
1517   params.opener_id = routing_id_;
1518   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1519   if (GetContentClient()->renderer()->AllowPopup())
1520     params.user_gesture = true;
1521   params.window_container_type = WindowFeaturesToContainerType(features);
1522   params.session_storage_namespace_id = session_storage_namespace_id_;
1523   if (frame_name != "_blank")
1524     params.frame_name = frame_name;
1525   params.opener_render_frame_id =
1526       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1527   params.opener_url = creator->document().url();
1528   params.opener_top_level_frame_url = creator->top()->document().url();
1529   GURL security_url(creator->document().securityOrigin().toString());
1530   if (!security_url.is_valid())
1531     security_url = GURL();
1532   params.opener_security_origin = security_url;
1533   params.opener_suppressed = suppress_opener;
1534   params.disposition = NavigationPolicyToDisposition(policy);
1535   if (!request.isNull()) {
1536     params.target_url = request.url();
1537     params.referrer = GetReferrerFromRequest(creator, request);
1538   }
1539   params.features = features;
1540
1541   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1542     params.additional_features.push_back(features.additionalFeatures[i]);
1543
1544   int32 routing_id = MSG_ROUTING_NONE;
1545   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1546   int32 surface_id = 0;
1547   int64 cloned_session_storage_namespace_id = 0;
1548
1549   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1550       params, &routing_id, &main_frame_routing_id, &surface_id,
1551       &cloned_session_storage_namespace_id));
1552   if (routing_id == MSG_ROUTING_NONE)
1553     return NULL;
1554
1555   WebUserGestureIndicator::consumeUserGesture();
1556
1557   // While this view may be a background extension page, it can spawn a visible
1558   // render view. So we just assume that the new one is not another background
1559   // page instead of passing on our own value.
1560   // TODO(vangelis): Can we tell if the new view will be a background page?
1561   bool never_visible = false;
1562
1563   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1564   initial_size.screen_info = screen_info_;
1565
1566   // The initial hidden state for the RenderViewImpl here has to match what the
1567   // browser will eventually decide for the given disposition. Since we have to
1568   // return from this call synchronously, we just have to make our best guess
1569   // and rely on the browser sending a WasHidden / WasShown message if it
1570   // disagrees.
1571   ViewMsg_New_Params view_params;
1572   view_params.opener_route_id = routing_id_;
1573   view_params.window_was_created_with_opener = true;
1574   view_params.renderer_preferences = renderer_preferences_;
1575   view_params.web_preferences = webkit_preferences_;
1576   view_params.view_id = routing_id;
1577   view_params.main_frame_routing_id = main_frame_routing_id;
1578   view_params.surface_id = surface_id;
1579   view_params.session_storage_namespace_id =
1580       cloned_session_storage_namespace_id;
1581   // WebCore will take care of setting the correct name.
1582   view_params.frame_name = base::string16();
1583   view_params.swapped_out = false;
1584   view_params.replicated_frame_state = FrameReplicationState();
1585   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1586   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1587   view_params.never_visible = never_visible;
1588   view_params.next_page_id = 1;
1589   view_params.initial_size = initial_size;
1590   view_params.enable_auto_resize = false;
1591   view_params.min_size = gfx::Size();
1592   view_params.max_size = gfx::Size();
1593
1594   RenderViewImpl* view =
1595       RenderViewImpl::Create(view_params, compositor_deps_, true);
1596   view->opened_by_user_gesture_ = params.user_gesture;
1597
1598   // Record whether the creator frame is trying to suppress the opener field.
1599   view->opener_suppressed_ = params.opener_suppressed;
1600
1601   return view->webview();
1602 }
1603
1604 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1605   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1606                                               popup_type, screen_info_);
1607   if (!widget)
1608     return NULL;
1609   if (screen_metrics_emulator_) {
1610     widget->SetPopupOriginAdjustmentsForEmulation(
1611         screen_metrics_emulator_.get());
1612   }
1613   return widget->webwidget();
1614 }
1615
1616 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1617   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1618   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1619 }
1620
1621 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1622   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1623                     PrintPage(frame, handling_input_event_));
1624 }
1625
1626 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1627   // Note: We should basically send GURL but we use size-limited string instead
1628   // in order to send a larger data url to save a image for <canvas> or <img>.
1629   if (data_url.length() < kMaxLengthOfDataURLString)
1630     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1631 }
1632
1633 bool RenderViewImpl::enumerateChosenDirectory(
1634     const WebString& path,
1635     WebFileChooserCompletion* chooser_completion) {
1636   int id = enumeration_completion_id_++;
1637   enumeration_completions_[id] = chooser_completion;
1638   return Send(new ViewHostMsg_EnumerateDirectory(
1639       routing_id_,
1640       id,
1641       base::FilePath::FromUTF16Unsafe(path)));
1642 }
1643
1644 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1645   DCHECK_GE(frames_in_progress_, 0);
1646   if (frames_in_progress_ == 0)
1647     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1648   frames_in_progress_++;
1649 }
1650
1651 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1652   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1653   // calls DidStopLoading() without a matching DidStartLoading().
1654   if (frames_in_progress_ == 0)
1655     return;
1656   frames_in_progress_--;
1657   if (frames_in_progress_ == 0) {
1658     DidStopLoadingIcons();
1659     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1660   }
1661 }
1662
1663 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1664   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1665 }
1666
1667 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1668   if (edit_commands_.empty())
1669     return false;
1670
1671   WebFrame* frame = webview()->focusedFrame();
1672   if (!frame)
1673     return false;
1674
1675   EditCommands::iterator it = edit_commands_.begin();
1676   EditCommands::iterator end = edit_commands_.end();
1677
1678   bool did_execute_command = false;
1679   for (; it != end; ++it) {
1680     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1681     // key (but it's the exception). Once one edit command is not executed, it
1682     // seems safest to not execute the rest.
1683     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1684                                WebString::fromUTF8(it->value),
1685                                GetFocusedElement()))
1686       break;
1687     did_execute_command = true;
1688   }
1689
1690   return did_execute_command;
1691 }
1692
1693 bool RenderViewImpl::runFileChooser(
1694     const blink::WebFileChooserParams& params,
1695     WebFileChooserCompletion* chooser_completion) {
1696   // Do not open the file dialog in a hidden RenderView.
1697   if (is_hidden())
1698     return false;
1699   FileChooserParams ipc_params;
1700   if (params.directory)
1701     ipc_params.mode = FileChooserParams::UploadFolder;
1702   else if (params.multiSelect)
1703     ipc_params.mode = FileChooserParams::OpenMultiple;
1704   else if (params.saveAs)
1705     ipc_params.mode = FileChooserParams::Save;
1706   else
1707     ipc_params.mode = FileChooserParams::Open;
1708   ipc_params.title = params.title;
1709   ipc_params.default_file_name =
1710       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1711   ipc_params.accept_types.reserve(params.acceptTypes.size());
1712   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1713     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1714   ipc_params.need_local_path = params.needLocalPath;
1715 #if defined(OS_ANDROID)
1716   ipc_params.capture = params.useMediaCapture;
1717 #endif
1718
1719   return ScheduleFileChooser(ipc_params, chooser_completion);
1720 }
1721
1722 void RenderViewImpl::SetValidationMessageDirection(
1723     base::string16* wrapped_main_text,
1724     blink::WebTextDirection main_text_hint,
1725     base::string16* wrapped_sub_text,
1726     blink::WebTextDirection sub_text_hint) {
1727   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1728     *wrapped_main_text =
1729         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1730   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1731              !base::i18n::IsRTL()) {
1732     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1733   }
1734
1735   if (!wrapped_sub_text->empty()) {
1736     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1737       *wrapped_sub_text =
1738           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1739     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1740       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1741     }
1742   }
1743 }
1744
1745 void RenderViewImpl::showValidationMessage(
1746     const blink::WebRect& anchor_in_root_view,
1747     const blink::WebString& main_text,
1748     blink::WebTextDirection main_text_hint,
1749     const blink::WebString& sub_text,
1750     blink::WebTextDirection sub_text_hint) {
1751   base::string16 wrapped_main_text = main_text;
1752   base::string16 wrapped_sub_text = sub_text;
1753
1754   SetValidationMessageDirection(
1755       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1756
1757   Send(new ViewHostMsg_ShowValidationMessage(
1758       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1759       wrapped_main_text, wrapped_sub_text));
1760 }
1761
1762 void RenderViewImpl::hideValidationMessage() {
1763   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1764 }
1765
1766 void RenderViewImpl::moveValidationMessage(
1767     const blink::WebRect& anchor_in_root_view) {
1768   Send(new ViewHostMsg_MoveValidationMessage(
1769       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1770 }
1771
1772 void RenderViewImpl::setStatusText(const WebString& text) {
1773 }
1774
1775 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1776                                      const GURL& fallback_url) {
1777   GURL latest_url = url.is_empty() ? fallback_url : url;
1778   if (latest_url == target_url_)
1779     return;
1780
1781   // Tell the browser to display a destination link.
1782   if (target_url_status_ == TARGET_INFLIGHT ||
1783       target_url_status_ == TARGET_PENDING) {
1784     // If we have a request in-flight, save the URL to be sent when we
1785     // receive an ACK to the in-flight request. We can happily overwrite
1786     // any existing pending sends.
1787     pending_target_url_ = latest_url;
1788     target_url_status_ = TARGET_PENDING;
1789   } else {
1790     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1791     // see |ParamTraits<GURL>|.
1792     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1793       latest_url = GURL();
1794     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1795     target_url_ = latest_url;
1796     target_url_status_ = TARGET_INFLIGHT;
1797   }
1798 }
1799
1800 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1801     const gfx::RectF& rect) const {
1802   gfx::RectF window_rect = rect;
1803   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1804   return window_rect;
1805 }
1806
1807 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1808   // No need to update state if no page has committed yet.
1809   if (page_id_ == -1)
1810     return;
1811
1812   int delay;
1813   if (send_content_state_immediately_)
1814     delay = 0;
1815   else if (is_hidden())
1816     delay = kDelaySecondsForContentStateSyncHidden;
1817   else
1818     delay = kDelaySecondsForContentStateSync;
1819
1820   if (nav_state_sync_timer_.IsRunning()) {
1821     // The timer is already running. If the delay of the timer maches the amount
1822     // we want to delay by, then return. Otherwise stop the timer so that it
1823     // gets started with the right delay.
1824     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1825       return;
1826     nav_state_sync_timer_.Stop();
1827   }
1828
1829   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1830                               &RenderViewImpl::SyncNavigationState);
1831 }
1832
1833 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1834   mouse_over_url_ = GURL(url);
1835   UpdateTargetURL(mouse_over_url_, focus_url_);
1836 }
1837
1838 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1839   focus_url_ = GURL(url);
1840   UpdateTargetURL(focus_url_, mouse_over_url_);
1841 }
1842
1843 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1844                                    const WebDragData& data,
1845                                    WebDragOperationsMask mask,
1846                                    const WebImage& image,
1847                                    const WebPoint& webImageOffset) {
1848   DropData drop_data(DropDataBuilder::Build(data));
1849   drop_data.referrer_policy = frame->document().referrerPolicy();
1850   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1851   Send(new DragHostMsg_StartDragging(routing_id_,
1852                                      drop_data,
1853                                      mask,
1854                                      image.getSkBitmap(),
1855                                      imageOffset,
1856                                      possible_drag_event_info_));
1857 }
1858
1859 bool RenderViewImpl::acceptsLoadDrops() {
1860   return renderer_preferences_.can_accept_load_drops;
1861 }
1862
1863 void RenderViewImpl::focusNext() {
1864   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1865 }
1866
1867 void RenderViewImpl::focusPrevious() {
1868   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1869 }
1870
1871 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1872                                         const WebNode& toNode) {
1873   has_scrolled_focused_editable_node_into_rect_ = false;
1874
1875   gfx::Rect node_bounds;
1876   if (!toNode.isNull() && toNode.isElementNode()) {
1877     WebNode web_node = const_cast<WebNode&>(toNode);
1878     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1879   }
1880   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1881                                           node_bounds));
1882
1883   // TODO(estade): remove.
1884   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1885
1886   RenderFrameImpl* previous_frame = nullptr;
1887   if (!fromNode.isNull())
1888     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1889   RenderFrameImpl* new_frame = nullptr;
1890   if (!toNode.isNull())
1891     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1892
1893   if (previous_frame && previous_frame != new_frame)
1894     previous_frame->FocusedNodeChanged(WebNode());
1895   if (new_frame)
1896     new_frame->FocusedNodeChanged(toNode);
1897
1898   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1899   GetMainRenderFrame()->FocusedNodeChangedForAccessibility(toNode);
1900 }
1901
1902 void RenderViewImpl::didUpdateLayout() {
1903   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1904
1905   // We don't always want to set up a timer, only if we've been put in that
1906   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1907   // message.
1908   if (!send_preferred_size_changes_ || !webview())
1909     return;
1910
1911   if (check_preferred_size_timer_.IsRunning())
1912     return;
1913   check_preferred_size_timer_.Start(FROM_HERE,
1914                                     TimeDelta::FromMilliseconds(0), this,
1915                                     &RenderViewImpl::CheckPreferredSize);
1916 }
1917
1918 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1919   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1920 }
1921
1922 int RenderViewImpl::historyBackListCount() {
1923   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1924 }
1925
1926 int RenderViewImpl::historyForwardListCount() {
1927   return history_list_length_ - historyBackListCount() - 1;
1928 }
1929
1930 // blink::WebWidgetClient ----------------------------------------------------
1931
1932 void RenderViewImpl::didFocus() {
1933   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1934   //                 we won't have to test for user gesture anymore and we can
1935   //                 move that code back to render_widget.cc
1936   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1937       !RenderThreadImpl::current()->layout_test_mode()) {
1938     Send(new ViewHostMsg_Focus(routing_id_));
1939   }
1940 }
1941
1942 void RenderViewImpl::didBlur() {
1943   // TODO(jcivelli): see TODO above in didFocus().
1944   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1945       !RenderThreadImpl::current()->layout_test_mode()) {
1946     Send(new ViewHostMsg_Blur(routing_id_));
1947   }
1948 }
1949
1950 // We are supposed to get a single call to Show for a newly created RenderView
1951 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
1952 // point to dispatch the ShowView message.
1953 //
1954 // This method provides us with the information about how to display the newly
1955 // created RenderView (i.e., as a blocked popup or as a new tab).
1956 //
1957 void RenderViewImpl::show(WebNavigationPolicy policy) {
1958   if (did_show_) {
1959     // When supports_multiple_windows is disabled, popups are reusing
1960     // the same view. In some scenarios, this makes WebKit to call show() twice.
1961     if (webkit_preferences_.supports_multiple_windows)
1962       NOTREACHED() << "received extraneous Show call";
1963     return;
1964   }
1965   did_show_ = true;
1966
1967   DCHECK(opener_id_ != MSG_ROUTING_NONE);
1968
1969   // NOTE: initial_rect_ may still have its default values at this point, but
1970   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
1971   // browser process will impose a default position otherwise.
1972   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
1973       NavigationPolicyToDisposition(policy), initial_rect_,
1974       opened_by_user_gesture_));
1975   SetPendingWindowRect(initial_rect_);
1976 }
1977
1978 bool RenderViewImpl::requestPointerLock() {
1979   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
1980 }
1981
1982 void RenderViewImpl::requestPointerUnlock() {
1983   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
1984 }
1985
1986 bool RenderViewImpl::isPointerLocked() {
1987   return mouse_lock_dispatcher_->IsMouseLockedTo(
1988       webwidget_mouse_lock_target_.get());
1989 }
1990
1991 void RenderViewImpl::didHandleGestureEvent(
1992     const WebGestureEvent& event,
1993     bool event_cancelled) {
1994   RenderWidget::didHandleGestureEvent(event, event_cancelled);
1995
1996   if (!event_cancelled) {
1997     FOR_EACH_OBSERVER(
1998         RenderViewObserver, observers_, DidHandleGestureEvent(event));
1999   }
2000
2001   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2002   // crbug/420130.
2003 #if defined(OS_WIN)
2004   if (event.type != blink::WebGestureEvent::GestureTap)
2005     return;
2006
2007   // TODO(estade): hit test the event against focused node to make sure
2008   // the tap actually hit the focused node.
2009   blink::WebTextInputType text_input_type =
2010       GetWebView()->textInputInfo().type;
2011
2012   Send(new ViewHostMsg_FocusedNodeTouched(
2013       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2014 #endif
2015 }
2016
2017 void RenderViewImpl::initializeLayerTreeView() {
2018   RenderWidget::initializeLayerTreeView();
2019   RenderWidgetCompositor* rwc = compositor();
2020   if (!rwc)
2021     return;
2022   if (webview() && webview()->devToolsAgent())
2023     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
2024
2025   bool use_threaded_event_handling = true;
2026 #if defined(OS_MACOSX) && !defined(OS_IOS)
2027   // Disable threaded event handling if content is not handling the elastic
2028   // overscroll effect. This includes the cases where the elastic overscroll
2029   // effect is being handled by Blink (because of command line flags) and older
2030   // operating system versions which do not have an elastic overscroll effect
2031   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2032   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2033 #endif
2034   if (use_threaded_event_handling) {
2035     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2036     // render_thread may be NULL in tests.
2037     InputHandlerManager* input_handler_manager =
2038         render_thread ? render_thread->input_handler_manager() : NULL;
2039     if (input_handler_manager) {
2040       input_handler_manager->AddInputHandler(
2041           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2042     }
2043   }
2044 }
2045
2046 // blink::WebFrameClient -----------------------------------------------------
2047
2048 void RenderViewImpl::Repaint(const gfx::Size& size) {
2049   OnRepaint(size);
2050 }
2051
2052 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2053                                                    const std::string& value) {
2054   EditCommands edit_commands;
2055   edit_commands.push_back(EditCommand(name, value));
2056   OnSetEditCommandsForNextKeyEvent(edit_commands);
2057 }
2058
2059 void RenderViewImpl::ClearEditCommands() {
2060   edit_commands_.clear();
2061 }
2062
2063 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2064   std::string security_info;
2065   if (frame && frame->dataSource())
2066     security_info = frame->dataSource()->response().securityInfo();
2067
2068   SSLStatus ssl_status;
2069   DeserializeSecurityInfo(security_info,
2070                           &ssl_status.cert_id,
2071                           &ssl_status.cert_status,
2072                           &ssl_status.security_bits,
2073                           &ssl_status.connection_status,
2074                           &ssl_status.signed_certificate_timestamp_ids);
2075   return ssl_status;
2076 }
2077
2078 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2079   return renderer_preferences_.accept_languages;
2080 }
2081
2082 void RenderViewImpl::didCreateDataSource(WebLocalFrame* frame,
2083                                          WebDataSource* ds) {
2084   bool content_initiated = !pending_navigation_params_.get();
2085
2086   // Make sure any previous redirect URLs end up in our new data source.
2087   if (pending_navigation_params_.get()) {
2088     for (std::vector<GURL>::const_iterator i =
2089              pending_navigation_params_->commit_params.redirects.begin();
2090          i != pending_navigation_params_->commit_params.redirects.end(); ++i) {
2091       ds->appendRedirect(*i);
2092     }
2093   }
2094
2095   DocumentState* document_state = DocumentState::FromDataSource(ds);
2096   if (!document_state) {
2097     document_state = new DocumentState;
2098     ds->setExtraData(document_state);
2099     if (!content_initiated)
2100       PopulateDocumentStateFromPending(document_state);
2101   }
2102
2103   // Carry over the user agent override flag, if it exists.
2104   if (content_initiated && webview() && webview()->mainFrame() &&
2105       webview()->mainFrame()->isWebLocalFrame() &&
2106       webview()->mainFrame()->dataSource()) {
2107     DocumentState* old_document_state =
2108         DocumentState::FromDataSource(webview()->mainFrame()->dataSource());
2109     if (old_document_state) {
2110       InternalDocumentStateData* internal_data =
2111           InternalDocumentStateData::FromDocumentState(document_state);
2112       InternalDocumentStateData* old_internal_data =
2113           InternalDocumentStateData::FromDocumentState(old_document_state);
2114       internal_data->set_is_overriding_user_agent(
2115           old_internal_data->is_overriding_user_agent());
2116     }
2117   }
2118
2119   // The rest of RenderView assumes that a WebDataSource will always have a
2120   // non-null NavigationState.
2121   if (content_initiated) {
2122     document_state->set_navigation_state(
2123         NavigationState::CreateContentInitiated());
2124   } else {
2125     document_state->set_navigation_state(CreateNavigationStateFromPending());
2126     pending_navigation_params_.reset();
2127   }
2128
2129   // DocumentState::referred_by_prefetcher_ is true if we are
2130   // navigating from a page that used prefetching using a link on that
2131   // page.  We are early enough in the request process here that we
2132   // can still see the DocumentState of the previous page and set
2133   // this value appropriately.
2134   // TODO(gavinp): catch the important case of navigation in a new
2135   // renderer process.
2136   if (webview()) {
2137     if (WebFrame* old_frame = webview()->mainFrame()) {
2138       const WebURLRequest& original_request = ds->originalRequest();
2139       const GURL referrer(
2140           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2141       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2142           DocumentState::FromDataSource(old_frame->dataSource())
2143               ->was_prefetcher()) {
2144         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2145           WebDataSource* old_frame_ds = old_frame->dataSource();
2146           if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) {
2147             document_state->set_was_referred_by_prefetcher(true);
2148             break;
2149           }
2150         }
2151       }
2152     }
2153   }
2154
2155   if (content_initiated) {
2156     const WebURLRequest& request = ds->request();
2157     switch (request.cachePolicy()) {
2158       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2159         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2160         break;
2161       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2162       case WebURLRequest::ReloadBypassingCache:  // end-to-end reload.
2163         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2164         break;
2165       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2166         document_state->set_load_type(
2167             DocumentState::LINK_LOAD_CACHE_STALE_OK);
2168         break;
2169       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2170         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2171         break;
2172       default:
2173         NOTREACHED();
2174     }
2175   }
2176
2177   FOR_EACH_OBSERVER(
2178       RenderViewObserver, observers_, DidCreateDataSource(frame, ds));
2179 }
2180
2181 void RenderViewImpl::PopulateDocumentStateFromPending(
2182     DocumentState* document_state) {
2183   document_state->set_request_time(
2184       pending_navigation_params_->commit_params.request_time);
2185
2186   InternalDocumentStateData* internal_data =
2187       InternalDocumentStateData::FromDocumentState(document_state);
2188
2189   if (!pending_navigation_params_->common_params.url.SchemeIs(
2190           url::kJavaScriptScheme) &&
2191       pending_navigation_params_->common_params.navigation_type ==
2192           FrameMsg_Navigate_Type::RESTORE) {
2193     // We're doing a load of a page that was restored from the last session. By
2194     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
2195     // can result in stale data for pages that are set to expire. We explicitly
2196     // override that by setting the policy here so that as necessary we load
2197     // from the network.
2198     //
2199     // TODO(davidben): Remove this in favor of passing a cache policy to the
2200     // loadHistoryItem call in OnNavigate. That requires not overloading
2201     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
2202     // policy based on load type, etc".
2203     internal_data->set_cache_policy_override(
2204         WebURLRequest::UseProtocolCachePolicy);
2205   }
2206
2207   if (IsReload(pending_navigation_params_->common_params.navigation_type))
2208     document_state->set_load_type(DocumentState::RELOAD);
2209   else if (pending_navigation_params_->history_params.page_state.IsValid())
2210     document_state->set_load_type(DocumentState::HISTORY_LOAD);
2211   else
2212     document_state->set_load_type(DocumentState::NORMAL_LOAD);
2213
2214   internal_data->set_is_overriding_user_agent(
2215       pending_navigation_params_->commit_params.is_overriding_user_agent);
2216   internal_data->set_must_reset_scroll_and_scale_state(
2217       pending_navigation_params_->common_params.navigation_type ==
2218       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
2219   document_state->set_can_load_local_resources(
2220       pending_navigation_params_->commit_params.can_load_local_resources);
2221 }
2222
2223 NavigationState* RenderViewImpl::CreateNavigationStateFromPending() {
2224   NavigationState* navigation_state = NULL;
2225
2226   // A navigation resulting from loading a javascript URL should not be treated
2227   // as a browser initiated event.  Instead, we want it to look as if the page
2228   // initiated any load resulting from JS execution.
2229   if (!pending_navigation_params_->common_params.url.SchemeIs(
2230           url::kJavaScriptScheme)) {
2231     navigation_state = NavigationState::CreateBrowserInitiated(
2232         pending_navigation_params_->history_params.page_id,
2233         pending_navigation_params_->history_params.pending_history_list_offset,
2234         pending_navigation_params_->history_params.should_clear_history_list,
2235         pending_navigation_params_->common_params.transition);
2236     navigation_state->set_allow_download(
2237         pending_navigation_params_->common_params.allow_download);
2238     if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
2239             switches::kEnableBrowserSideNavigation)) {
2240       navigation_state->set_should_replace_current_entry(
2241           pending_navigation_params_->start_params
2242               .should_replace_current_entry);
2243       navigation_state->set_transferred_request_child_id(
2244           pending_navigation_params_->start_params
2245               .transferred_request_child_id);
2246       navigation_state->set_transferred_request_request_id(
2247           pending_navigation_params_->start_params
2248               .transferred_request_request_id);
2249       navigation_state->set_extra_headers(
2250           pending_navigation_params_->start_params.extra_headers);
2251     }
2252   } else {
2253     navigation_state = NavigationState::CreateContentInitiated();
2254   }
2255   return navigation_state;
2256 }
2257
2258 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2259                                    WebIconURL::Type icon_type) {
2260   if (frame->parent())
2261     return;
2262
2263   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2264   std::vector<FaviconURL> urls;
2265   for (size_t i = 0; i < icon_urls.size(); i++) {
2266     std::vector<gfx::Size> sizes;
2267     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2268     urls.push_back(FaviconURL(
2269         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2270   }
2271   SendUpdateFaviconURL(urls);
2272 }
2273
2274 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2275   StartNavStateSyncTimerIfNecessary();
2276 }
2277
2278 void RenderViewImpl::CheckPreferredSize() {
2279   // We don't always want to send the change messages over IPC, only if we've
2280   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2281   // message.
2282   if (!send_preferred_size_changes_ || !webview())
2283     return;
2284
2285   gfx::Size size = webview()->contentsPreferredMinimumSize();
2286   if (size == preferred_size_)
2287     return;
2288
2289   preferred_size_ = size;
2290   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2291                                                       preferred_size_));
2292 }
2293
2294 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2295   StartNavStateSyncTimerIfNecessary();
2296 }
2297
2298 void RenderViewImpl::SendFindReply(int request_id,
2299                                    int match_count,
2300                                    int ordinal,
2301                                    const WebRect& selection_rect,
2302                                    bool final_status_update) {
2303   Send(new ViewHostMsg_Find_Reply(routing_id_,
2304                                   request_id,
2305                                   match_count,
2306                                   selection_rect,
2307                                   ordinal,
2308                                   final_status_update));
2309 }
2310
2311 blink::WebString RenderViewImpl::acceptLanguages() {
2312   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2313 }
2314
2315 // blink::WebPageSerializerClient implementation ------------------------------
2316
2317 void RenderViewImpl::didSerializeDataForFrame(
2318     const WebURL& frame_url,
2319     const WebCString& data,
2320     WebPageSerializerClient::PageSerializationStatus status) {
2321   Send(new ViewHostMsg_SendSerializedHtmlData(
2322     routing_id(),
2323     frame_url,
2324     data.data(),
2325     static_cast<int32>(status)));
2326 }
2327
2328 // RenderView implementation ---------------------------------------------------
2329
2330 bool RenderViewImpl::Send(IPC::Message* message) {
2331   return RenderWidget::Send(message);
2332 }
2333
2334 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2335   return main_render_frame_.get();
2336 }
2337
2338 int RenderViewImpl::GetRoutingID() const {
2339   return routing_id_;
2340 }
2341
2342 gfx::Size RenderViewImpl::GetSize() const {
2343   return size();
2344 }
2345
2346 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2347   return webkit_preferences_;
2348 }
2349
2350 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2351   OnUpdateWebPreferences(preferences);
2352 }
2353
2354 blink::WebView* RenderViewImpl::GetWebView() {
2355   return webview();
2356 }
2357
2358 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2359   if (node.isNull())
2360     return false;
2361
2362   if (node.isContentEditable())
2363     return true;
2364
2365   if (node.isElementNode()) {
2366     const WebElement& element = node.toConst<WebElement>();
2367     if (element.isTextFormControlElement()) {
2368       if (!(element.hasAttribute("readonly") ||
2369             element.hasAttribute("disabled")))
2370         return true;
2371     }
2372
2373     // Also return true if it has an ARIA role of 'textbox'.
2374     for (unsigned i = 0; i < element.attributeCount(); ++i) {
2375       if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
2376         if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
2377           return true;
2378         break;
2379       }
2380     }
2381   }
2382
2383   return false;
2384 }
2385
2386 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2387   return (!send_preferred_size_changes_ ||
2388           (disable_scrollbars_size_limit_.width() <= width ||
2389            disable_scrollbars_size_limit_.height() <= height));
2390 }
2391
2392 int RenderViewImpl::GetEnabledBindings() const {
2393   return enabled_bindings_;
2394 }
2395
2396 bool RenderViewImpl::GetContentStateImmediately() const {
2397   return send_content_state_immediately_;
2398 }
2399
2400 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2401   return visibilityState();
2402 }
2403
2404 void RenderViewImpl::DidStartLoading() {
2405   main_render_frame_->didStartLoading(true);
2406 }
2407
2408 void RenderViewImpl::DidStopLoading() {
2409   main_render_frame_->didStopLoading();
2410 }
2411
2412 void RenderViewImpl::SyncNavigationState() {
2413   if (!webview())
2414     return;
2415   SendUpdateState(history_controller_->GetCurrentEntry());
2416 }
2417
2418 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2419   if (!webview())
2420     return WebElement();
2421   WebFrame* focused_frame = webview()->focusedFrame();
2422   if (focused_frame) {
2423     WebDocument doc = focused_frame->document();
2424     if (!doc.isNull())
2425       return doc.focusedElement();
2426   }
2427
2428   return WebElement();
2429 }
2430
2431 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2432   if (!webview())
2433     return NULL;
2434
2435   WebFrame* main_frame = webview()->mainFrame();
2436   if (main_frame->isWebLocalFrame() &&
2437       main_frame->document().isPluginDocument())
2438     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2439
2440 #if defined(ENABLE_PLUGINS)
2441   if (plugin_find_handler_)
2442     return plugin_find_handler_->container()->plugin();
2443 #endif
2444
2445   return NULL;
2446 }
2447
2448 void RenderViewImpl::OnFind(int request_id,
2449                             const base::string16& search_text,
2450                             const WebFindOptions& options) {
2451   WebFrame* main_frame = webview()->mainFrame();
2452   blink::WebPlugin* plugin = GetWebPluginForFind();
2453   // Check if the plugin still exists in the document.
2454   if (plugin) {
2455     if (options.findNext) {
2456       // Just navigate back/forward.
2457       plugin->selectFindResult(options.forward);
2458     } else {
2459       if (!plugin->startFind(
2460           search_text, options.matchCase, request_id)) {
2461         // Send "no results".
2462         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2463       }
2464     }
2465     return;
2466   }
2467
2468   WebFrame* frame_after_main = main_frame->traverseNext(true);
2469   WebFrame* focused_frame = webview()->focusedFrame();
2470   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2471
2472   bool multi_frame = (frame_after_main != main_frame);
2473
2474   // If we have multiple frames, we don't want to wrap the search within the
2475   // frame, so we check here if we only have main_frame in the chain.
2476   bool wrap_within_frame = !multi_frame;
2477
2478   WebRect selection_rect;
2479   bool result = false;
2480
2481   // If something is selected when we start searching it means we cannot just
2482   // increment the current match ordinal; we need to re-generate it.
2483   WebRange current_selection = focused_frame->selectionRange();
2484
2485   do {
2486     result = search_frame->find(
2487         request_id, search_text, options, wrap_within_frame, &selection_rect);
2488
2489     if (!result) {
2490       // don't leave text selected as you move to the next frame.
2491       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2492                                    GetFocusedElement());
2493
2494       // Find the next frame, but skip the invisible ones.
2495       do {
2496         // What is the next frame to search? (we might be going backwards). Note
2497         // that we specify wrap=true so that search_frame never becomes NULL.
2498         search_frame = options.forward ?
2499             search_frame->traverseNext(true) :
2500             search_frame->traversePrevious(true);
2501       } while (!search_frame->hasVisibleContent() &&
2502                search_frame != focused_frame);
2503
2504       // Make sure selection doesn't affect the search operation in new frame.
2505       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2506                                    GetFocusedElement());
2507
2508       // If we have multiple frames and we have wrapped back around to the
2509       // focused frame, we need to search it once more allowing wrap within
2510       // the frame, otherwise it will report 'no match' if the focused frame has
2511       // reported matches, but no frames after the focused_frame contain a
2512       // match for the search word(s).
2513       if (multi_frame && search_frame == focused_frame) {
2514         result = search_frame->find(
2515             request_id, search_text, options, true,  // Force wrapping.
2516             &selection_rect);
2517       }
2518     }
2519
2520     webview()->setFocusedFrame(search_frame);
2521   } while (!result && search_frame != focused_frame);
2522
2523   if (options.findNext && current_selection.isNull()) {
2524     // Force the main_frame to report the actual count.
2525     main_frame->increaseMatchCount(0, request_id);
2526   } else {
2527     // If nothing is found, set result to "0 of 0", otherwise, set it to
2528     // "-1 of 1" to indicate that we found at least one item, but we don't know
2529     // yet what is active.
2530     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2531     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2532
2533     // If we find no matches then this will be our last status update.
2534     // Otherwise the scoping effort will send more results.
2535     bool final_status_update = !result;
2536
2537     SendFindReply(request_id, match_count, ordinal, selection_rect,
2538                   final_status_update);
2539
2540     // Scoping effort begins, starting with the mainframe.
2541     search_frame = main_frame;
2542
2543     main_frame->resetMatchCount();
2544
2545     do {
2546       // Cancel all old scoping requests before starting a new one.
2547       search_frame->cancelPendingScopingEffort();
2548
2549       // We don't start another scoping effort unless at least one match has
2550       // been found.
2551       if (result) {
2552         // Start new scoping request. If the scoping function determines that it
2553         // needs to scope, it will defer until later.
2554         search_frame->scopeStringMatches(request_id,
2555                                          search_text,
2556                                          options,
2557                                          true);  // reset the tickmarks
2558       }
2559
2560       // Iterate to the next frame. The frame will not necessarily scope, for
2561       // example if it is not visible.
2562       search_frame = search_frame->traverseNext(true);
2563     } while (search_frame != main_frame);
2564   }
2565 }
2566
2567 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2568   WebView* view = webview();
2569   if (!view)
2570     return;
2571
2572   blink::WebPlugin* plugin = GetWebPluginForFind();
2573   if (plugin) {
2574     plugin->stopFind();
2575     return;
2576   }
2577
2578   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2579   if (clear_selection) {
2580     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2581                                          GetFocusedElement());
2582   }
2583
2584   WebFrame* frame = view->mainFrame();
2585   while (frame) {
2586     frame->stopFinding(clear_selection);
2587     frame = frame->traverseNext(false);
2588   }
2589
2590   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2591     WebFrame* focused_frame = view->focusedFrame();
2592     if (focused_frame) {
2593       WebDocument doc = focused_frame->document();
2594       if (!doc.isNull()) {
2595         WebElement element = doc.focusedElement();
2596         if (!element.isNull())
2597           element.simulateClick();
2598       }
2599     }
2600   }
2601 }
2602
2603 #if defined(OS_ANDROID)
2604 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2605                                                  float x, float y) {
2606   if (!webview())
2607       return;
2608
2609   WebFrame* main_frame = webview()->mainFrame();
2610   WebRect selection_rect;
2611   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2612                                                    &selection_rect);
2613   if (ordinal == -1) {
2614     // Something went wrong, so send a no-op reply (force the main_frame to
2615     // report the current match count) in case the host is waiting for a
2616     // response due to rate-limiting).
2617     main_frame->increaseMatchCount(0, request_id);
2618     return;
2619   }
2620
2621   SendFindReply(request_id,
2622                 -1 /* number_of_matches */,
2623                 ordinal,
2624                 selection_rect,
2625                 true /* final_update */);
2626 }
2627
2628 void RenderViewImpl::OnFindMatchRects(int current_version) {
2629   if (!webview())
2630       return;
2631
2632   WebFrame* main_frame = webview()->mainFrame();
2633   std::vector<gfx::RectF> match_rects;
2634
2635   int rects_version = main_frame->findMatchMarkersVersion();
2636   if (current_version != rects_version) {
2637     WebVector<WebFloatRect> web_match_rects;
2638     main_frame->findMatchRects(web_match_rects);
2639     match_rects.reserve(web_match_rects.size());
2640     for (size_t i = 0; i < web_match_rects.size(); ++i)
2641       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2642   }
2643
2644   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2645   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2646                                                rects_version,
2647                                                match_rects,
2648                                                active_rect));
2649 }
2650 #endif
2651
2652 void RenderViewImpl::OnResetPageScale() {
2653   if (!webview())
2654     return;
2655   webview()->setPageScaleFactor(1);
2656 }
2657
2658 void RenderViewImpl::OnZoom(PageZoom zoom) {
2659   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2660     return;
2661
2662   webview()->hidePopups();
2663
2664   double old_zoom_level = webview()->zoomLevel();
2665   double zoom_level;
2666   if (zoom == PAGE_ZOOM_RESET) {
2667     zoom_level = 0;
2668   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2669     // Previous zoom level is a whole number, so just increment/decrement.
2670     zoom_level = old_zoom_level + zoom;
2671   } else {
2672     // Either the user hit the zoom factor limit and thus the zoom level is now
2673     // not a whole number, or a plugin changed it to a custom value.  We want
2674     // to go to the next whole number so that the user can always get back to
2675     // 100% with the keyboard/menu.
2676     if ((old_zoom_level > 1 && zoom > 0) ||
2677         (old_zoom_level < 1 && zoom < 0)) {
2678       zoom_level = static_cast<int>(old_zoom_level + zoom);
2679     } else {
2680       // We're going towards 100%, so first go to the next whole number.
2681       zoom_level = static_cast<int>(old_zoom_level);
2682     }
2683   }
2684   webview()->setZoomLevel(zoom_level);
2685   zoomLevelChanged();
2686 }
2687
2688 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2689                                                  double zoom_level) {
2690 #if !defined(OS_ANDROID)
2691   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2692   // for legacy WebView text scaling emulation. Thus, the code that resets
2693   // the zoom level from this map will be effectively resetting text zoom level.
2694   host_zoom_levels_[url] = zoom_level;
2695 #endif
2696 }
2697
2698 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2699                                            double level) {
2700   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2701
2702   webview()->hidePopups();
2703   webview()->setZoomLevel(level);
2704 }
2705
2706 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2707   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2708 }
2709
2710 void RenderViewImpl::OnResetPageEncodingToDefault() {
2711   WebString no_encoding;
2712   webview()->setPageEncoding(no_encoding);
2713 }
2714
2715 void RenderViewImpl::OnPostMessageEvent(
2716     const ViewMsg_PostMessage_Params& params) {
2717   // TODO(nasko): Support sending to subframes.
2718   WebFrame* frame = webview()->mainFrame();
2719
2720   // Find the source frame if it exists.
2721   WebFrame* source_frame = NULL;
2722   if (params.source_routing_id != MSG_ROUTING_NONE) {
2723     RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
2724     if (source_view)
2725       source_frame = source_view->webview()->mainFrame();
2726   }
2727
2728   // If the message contained MessagePorts, create the corresponding endpoints.
2729   blink::WebMessagePortChannelArray channels =
2730       WebMessagePortChannelImpl::CreatePorts(
2731           params.message_ports, params.new_routing_ids,
2732           base::MessageLoopProxy::current().get());
2733
2734   WebSerializedScriptValue serialized_script_value;
2735   if (params.is_data_raw_string) {
2736     v8::HandleScope handle_scope(blink::mainThreadIsolate());
2737     v8::Local<v8::Context> context = frame->mainWorldScriptContext();
2738     v8::Context::Scope context_scope(context);
2739     V8ValueConverterImpl converter;
2740     converter.SetDateAllowed(true);
2741     converter.SetRegExpAllowed(true);
2742     scoped_ptr<base::Value> value(new base::StringValue(params.data));
2743     v8::Handle<v8::Value> result_value = converter.ToV8Value(value.get(),
2744                                                              context);
2745     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
2746   } else {
2747     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
2748   }
2749
2750   // Create an event with the message.  The final parameter to initMessageEvent
2751   // is the last event ID, which is not used with postMessage.
2752   WebDOMEvent event = frame->document().createEvent("MessageEvent");
2753   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
2754   msg_event.initMessageEvent("message",
2755                              // |canBubble| and |cancellable| are always false
2756                              false, false,
2757                              serialized_script_value,
2758                              params.source_origin, source_frame, "", channels);
2759
2760   // We must pass in the target_origin to do the security check on this side,
2761   // since it may have changed since the original postMessage call was made.
2762   WebSecurityOrigin target_origin;
2763   if (!params.target_origin.empty()) {
2764     target_origin =
2765         WebSecurityOrigin::createFromString(WebString(params.target_origin));
2766   }
2767   frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
2768 }
2769
2770 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2771   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2772       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2773     // WebUIExtensionData deletes itself when we're destroyed.
2774     new WebUIExtensionData(this);
2775     // WebUIMojo deletes itself when we're destroyed.
2776     new WebUIMojo(this);
2777   }
2778
2779   enabled_bindings_ |= enabled_bindings_flags;
2780
2781   // Keep track of the total bindings accumulated in this process.
2782   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2783 }
2784
2785 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2786                                            const gfx::Point& client_point,
2787                                            const gfx::Point& screen_point,
2788                                            WebDragOperationsMask ops,
2789                                            int key_modifiers) {
2790   WebDragOperation operation = webview()->dragTargetDragEnter(
2791       DropDataToWebDragData(drop_data),
2792       client_point,
2793       screen_point,
2794       ops,
2795       key_modifiers);
2796
2797   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2798 }
2799
2800 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2801                                           const gfx::Point& screen_point,
2802                                           WebDragOperationsMask ops,
2803                                           int key_modifiers) {
2804   WebDragOperation operation = webview()->dragTargetDragOver(
2805       client_point,
2806       screen_point,
2807       ops,
2808       key_modifiers);
2809
2810   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2811 }
2812
2813 void RenderViewImpl::OnDragTargetDragLeave() {
2814   webview()->dragTargetDragLeave();
2815 }
2816
2817 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2818                                       const gfx::Point& screen_point,
2819                                       int key_modifiers) {
2820   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2821
2822   Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
2823 }
2824
2825 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2826                                        const gfx::Point& screen_point,
2827                                        WebDragOperation op) {
2828   webview()->dragSourceEndedAt(client_point, screen_point, op);
2829 }
2830
2831 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2832   webview()->dragSourceSystemDragEnded();
2833 }
2834
2835 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2836   webkit_preferences_ = prefs;
2837   ApplyWebPreferences(webkit_preferences_, webview());
2838 }
2839
2840 void RenderViewImpl::OnEnumerateDirectoryResponse(
2841     int id,
2842     const std::vector<base::FilePath>& paths) {
2843   if (!enumeration_completions_[id])
2844     return;
2845
2846   WebVector<WebString> ws_file_names(paths.size());
2847   for (size_t i = 0; i < paths.size(); ++i)
2848     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2849
2850   enumeration_completions_[id]->didChooseFile(ws_file_names);
2851   enumeration_completions_.erase(id);
2852 }
2853
2854 void RenderViewImpl::OnFileChooserResponse(
2855     const std::vector<content::FileChooserFileInfo>& files) {
2856   // This could happen if we navigated to a different page before the user
2857   // closed the chooser.
2858   if (file_chooser_completions_.empty())
2859     return;
2860
2861   // Convert Chrome's SelectedFileInfo list to WebKit's.
2862   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2863       files.size());
2864   for (size_t i = 0; i < files.size(); ++i) {
2865     WebFileChooserCompletion::SelectedFileInfo selected_file;
2866     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2867     selected_file.displayName =
2868         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2869     if (files[i].file_system_url.is_valid()) {
2870       selected_file.fileSystemURL = files[i].file_system_url;
2871       selected_file.length = files[i].length;
2872       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2873       selected_file.isDirectory = files[i].is_directory;
2874     }
2875     selected_files[i] = selected_file;
2876   }
2877
2878   if (file_chooser_completions_.front()->completion)
2879     file_chooser_completions_.front()->completion->didChooseFile(
2880         selected_files);
2881   file_chooser_completions_.pop_front();
2882
2883   // If there are more pending file chooser requests, schedule one now.
2884   if (!file_chooser_completions_.empty()) {
2885     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2886         file_chooser_completions_.front()->params));
2887   }
2888 }
2889
2890 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2891                                         const gfx::Size& max_size) {
2892   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2893   if (!webview())
2894     return;
2895   auto_resize_mode_ = true;
2896   webview()->enableAutoResizeMode(min_size, max_size);
2897 }
2898
2899 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2900   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2901   if (!webview())
2902     return;
2903   auto_resize_mode_ = false;
2904   webview()->disableAutoResizeMode();
2905
2906   if (!new_size.IsEmpty()) {
2907     Resize(new_size,
2908            physical_backing_size_,
2909            top_controls_shrink_blink_size_,
2910            top_controls_height_,
2911            visible_viewport_size_,
2912            resizer_rect_,
2913            is_fullscreen_,
2914            NO_RESIZE_ACK);
2915   }
2916 }
2917
2918 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2919   if (send_preferred_size_changes_)
2920     return;
2921   send_preferred_size_changes_ = true;
2922
2923   // Start off with an initial preferred size notification (in case
2924   // |didUpdateLayout| was already called).
2925   didUpdateLayout();
2926 }
2927
2928 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2929     const gfx::Size& disable_scrollbar_size_limit) {
2930   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2931 }
2932
2933 void RenderViewImpl::OnSetRendererPrefs(
2934     const RendererPreferences& renderer_prefs) {
2935   double old_zoom_level = renderer_preferences_.default_zoom_level;
2936   std::string old_accept_languages = renderer_preferences_.accept_languages;
2937
2938   renderer_preferences_ = renderer_prefs;
2939   UpdateFontRenderingFromRendererPrefs();
2940
2941 #if defined(USE_DEFAULT_RENDER_THEME)
2942   if (renderer_prefs.use_custom_colors) {
2943     WebColorName name = blink::WebColorWebkitFocusRingColor;
2944     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2945     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2946
2947     if (webview()) {
2948       webview()->setSelectionColors(
2949           renderer_prefs.active_selection_bg_color,
2950           renderer_prefs.active_selection_fg_color,
2951           renderer_prefs.inactive_selection_bg_color,
2952           renderer_prefs.inactive_selection_fg_color);
2953       webview()->themeChanged();
2954     }
2955   }
2956 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2957
2958   // If the zoom level for this page matches the old zoom default, and this
2959   // is not a plugin, update the zoom level to match the new default.
2960   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2961       !webview()->mainFrame()->document().isPluginDocument() &&
2962       !ZoomValuesEqual(old_zoom_level,
2963                        renderer_preferences_.default_zoom_level) &&
2964       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2965     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
2966     zoomLevelChanged();
2967   }
2968
2969   if (webview() &&
2970       old_accept_languages != renderer_preferences_.accept_languages) {
2971     webview()->acceptLanguagesChanged();
2972   }
2973 }
2974
2975 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2976                                            const WebMediaPlayerAction& action) {
2977   if (webview())
2978     webview()->performMediaPlayerAction(action, location);
2979 }
2980
2981 void RenderViewImpl::OnOrientationChange() {
2982   webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2983 }
2984
2985 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2986                                       const WebPluginAction& action) {
2987   if (webview())
2988     webview()->performPluginAction(action, location);
2989 }
2990
2991 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2992     const GURL& page_url) {
2993   // Prepare list to storage all savable resource links.
2994   std::vector<GURL> resources_list;
2995   std::vector<GURL> referrer_urls_list;
2996   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2997   std::vector<GURL> frames_list;
2998   SavableResourcesResult result(&resources_list,
2999                                 &referrer_urls_list,
3000                                 &referrer_policies_list,
3001                                 &frames_list);
3002
3003   // webkit/ doesn't know about Referrer.
3004   if (!GetAllSavableResourceLinksForCurrentPage(
3005           webview(),
3006           page_url,
3007           &result,
3008           const_cast<const char**>(GetSavableSchemes()))) {
3009     // If something is wrong when collecting all savable resource links,
3010     // send empty list to embedder(browser) to tell it failed.
3011     referrer_urls_list.clear();
3012     referrer_policies_list.clear();
3013     resources_list.clear();
3014     frames_list.clear();
3015   }
3016
3017   std::vector<Referrer> referrers_list;
3018   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
3019   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
3020     referrers_list.push_back(
3021         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
3022   }
3023
3024   // Send result of all savable resource links to embedder.
3025   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
3026                                                               resources_list,
3027                                                               referrers_list,
3028                                                               frames_list));
3029 }
3030
3031 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
3032     const std::vector<GURL>& links,
3033     const std::vector<base::FilePath>& local_paths,
3034     const base::FilePath& local_directory_name) {
3035
3036   // Convert std::vector of GURLs to WebVector<WebURL>
3037   WebVector<WebURL> weburl_links(links);
3038
3039   // Convert std::vector of base::FilePath to WebVector<WebString>
3040   WebVector<WebString> webstring_paths(local_paths.size());
3041   for (size_t i = 0; i < local_paths.size(); i++)
3042     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
3043
3044   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
3045                                true,
3046                                this,
3047                                weburl_links,
3048                                webstring_paths,
3049                                local_directory_name.AsUTF16Unsafe());
3050 }
3051
3052 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
3053   // Don't show any more dialogs until we finish OnSwapOut.
3054   suppress_dialogs_until_swap_out_ = true;
3055 }
3056
3057 void RenderViewImpl::OnClosePage() {
3058   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
3059   // TODO(creis): We'd rather use webview()->Close() here, but that currently
3060   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
3061   // in the onunload handler from appearing.  For now, we're bypassing that and
3062   // calling the FrameLoader's CloseURL method directly.  This should be
3063   // revisited to avoid having two ways to close a page.  Having a single way
3064   // to close that can run onunload is also useful for fixing
3065   // http://b/issue?id=753080.
3066   webview()->mainFrame()->dispatchUnloadEvent();
3067
3068   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
3069 }
3070
3071 void RenderViewImpl::OnThemeChanged() {
3072 #if defined(USE_AURA)
3073   // Aura doesn't care if we switch themes.
3074 #elif defined(OS_WIN)
3075   ui::NativeThemeWin::instance()->CloseHandles();
3076   if (webview())
3077     webview()->themeChanged();
3078 #else  // defined(OS_WIN)
3079   // TODO(port): we don't support theming on non-Windows platforms yet
3080   NOTIMPLEMENTED();
3081 #endif
3082 }
3083
3084 void RenderViewImpl::OnMoveOrResizeStarted() {
3085   if (webview())
3086     webview()->hidePopups();
3087 }
3088
3089 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
3090   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
3091   if (webview()) {
3092     webview()->hidePopups();
3093     if (send_preferred_size_changes_) {
3094       webview()->mainFrame()->setCanHaveScrollbars(
3095           ShouldDisplayScrollbars(params.new_size.width(),
3096                                   params.new_size.height()));
3097     }
3098   }
3099
3100   gfx::Size old_visible_viewport_size = visible_viewport_size_;
3101
3102   RenderWidget::OnResize(params);
3103
3104   if (old_visible_viewport_size != visible_viewport_size_)
3105     has_scrolled_focused_editable_node_into_rect_ = false;
3106 }
3107
3108 void RenderViewImpl::DidInitiatePaint() {
3109 #if defined(ENABLE_PLUGINS)
3110   // Notify all instances that we painted.  The same caveats apply as for
3111   // ViewFlushedPaint regarding instances closing themselves, so we take
3112   // similar precautions.
3113   PepperPluginSet plugins = active_pepper_instances_;
3114   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
3115     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
3116       (*i)->ViewInitiatedPaint();
3117   }
3118 #endif
3119 }
3120
3121 void RenderViewImpl::DidFlushPaint() {
3122   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
3123   // See crbug.com/112921.
3124   if (!webview())
3125     return;
3126
3127   WebFrame* main_frame = webview()->mainFrame();
3128   for (WebFrame* frame = main_frame; frame;
3129        frame = frame->traverseNext(false)) {
3130     // TODO(nasko): This is a hack for the case in which the top-level
3131     // frame is being rendered in another process. It will not
3132     // behave correctly for out of process iframes.
3133     if (frame->isWebLocalFrame()) {
3134       main_frame = frame;
3135       break;
3136     }
3137   }
3138
3139   // If we have a provisional frame we are between the start and commit stages
3140   // of loading and we don't want to save stats.
3141   if (!main_frame->provisionalDataSource()) {
3142     WebDataSource* ds = main_frame->dataSource();
3143     DocumentState* document_state = DocumentState::FromDataSource(ds);
3144
3145     // TODO(jar): The following code should all be inside a method, probably in
3146     // NavigatorState.
3147     Time now = Time::Now();
3148     if (document_state->first_paint_time().is_null()) {
3149       document_state->set_first_paint_time(now);
3150     }
3151     if (document_state->first_paint_after_load_time().is_null() &&
3152         !document_state->finish_load_time().is_null()) {
3153       document_state->set_first_paint_after_load_time(now);
3154     }
3155   }
3156 }
3157
3158 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3159   WebFrame* main_frame = webview()->mainFrame();
3160   for (WebFrame* frame = main_frame; frame;
3161        frame = frame->traverseNext(false)) {
3162     // TODO(nasko): This is a hack for the case in which the top-level
3163     // frame is being rendered in another process. It will not
3164     // behave correctly for out of process iframes.
3165     if (frame->isWebLocalFrame()) {
3166       main_frame = frame;
3167       break;
3168     }
3169   }
3170
3171   WebSize scroll_offset = main_frame->scrollOffset();
3172   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3173 }
3174
3175 void RenderViewImpl::OnClearFocusedElement() {
3176   if (webview())
3177     webview()->clearFocusedElement();
3178 }
3179
3180 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3181   if (webview())
3182     webview()->setIsTransparent(!opaque);
3183   if (compositor_)
3184     compositor_->setHasTransparentBackground(!opaque);
3185 }
3186
3187 void RenderViewImpl::OnSetActive(bool active) {
3188   if (webview())
3189     webview()->setIsActive(active);
3190
3191 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3192   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3193   for (plugin_it = plugin_delegates_.begin();
3194        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3195     (*plugin_it)->SetWindowFocus(active);
3196   }
3197 #endif
3198 }
3199
3200 #if defined(OS_MACOSX)
3201 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3202 #if defined(ENABLE_PLUGINS)
3203   // Inform plugins that their container has changed visibility.
3204   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3205   for (plugin_it = plugin_delegates_.begin();
3206        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3207     (*plugin_it)->SetContainerVisibility(visible);
3208   }
3209 #endif
3210 }
3211
3212 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3213                                           const gfx::Rect& view_frame) {
3214 #if defined(ENABLE_PLUGINS)
3215   // Inform plugins that their window's frame has changed.
3216   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3217   for (plugin_it = plugin_delegates_.begin();
3218        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3219     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3220   }
3221 #endif
3222 }
3223
3224 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3225                                                      int plugin_id) {
3226   // WebPluginDelegateProxy is responsible for figuring out if this event
3227   // applies to it or not, so inform all the delegates.
3228   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3229   for (plugin_it = plugin_delegates_.begin();
3230        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3231     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3232   }
3233 }
3234 #endif  // OS_MACOSX
3235
3236 void RenderViewImpl::OnClose() {
3237   if (closing_)
3238     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3239   RenderWidget::OnClose();
3240 }
3241
3242 void RenderViewImpl::Close() {
3243   // We need to grab a pointer to the doomed WebView before we destroy it.
3244   WebView* doomed = webview();
3245   RenderWidget::Close();
3246   g_view_map.Get().erase(doomed);
3247   g_routing_id_view_map.Get().erase(routing_id_);
3248   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3249 }
3250
3251 void RenderViewImpl::DidHandleKeyEvent() {
3252   ClearEditCommands();
3253 }
3254
3255 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3256   possible_drag_event_info_.event_source =
3257       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3258   possible_drag_event_info_.event_location =
3259       gfx::Point(event.globalX, event.globalY);
3260
3261 #if defined(ENABLE_PLUGINS)
3262   // This method is called for every mouse event that the render view receives.
3263   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3264   // event target. Potentially a Pepper plugin will receive the event.
3265   // In order to tell whether a plugin gets the last mouse event and which it
3266   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3267   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3268   // |pepper_last_mouse_event_target_|.
3269   pepper_last_mouse_event_target_ = NULL;
3270 #endif
3271
3272   // If the mouse is locked, only the current owner of the mouse lock can
3273   // process mouse events.
3274   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3275 }
3276
3277 bool RenderViewImpl::WillHandleGestureEvent(
3278     const blink::WebGestureEvent& event) {
3279   possible_drag_event_info_.event_source =
3280       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3281   possible_drag_event_info_.event_location =
3282       gfx::Point(event.globalX, event.globalY);
3283   return false;
3284 }
3285
3286 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
3287   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
3288 }
3289
3290 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
3291   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
3292 }
3293
3294 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3295   if (!webview())
3296     return false;
3297   return webview()->hasTouchEventHandlersAt(point);
3298 }
3299
3300 void RenderViewImpl::OnWasHidden() {
3301   RenderWidget::OnWasHidden();
3302
3303 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3304   RenderThreadImpl::current()->video_capture_impl_manager()->
3305       SuspendDevices(true);
3306   if (speech_recognition_dispatcher_)
3307     speech_recognition_dispatcher_->AbortAllRecognitions();
3308 #endif
3309
3310   if (webview())
3311     webview()->setVisibilityState(visibilityState(), false);
3312
3313 #if defined(ENABLE_PLUGINS)
3314   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3315        i != active_pepper_instances_.end(); ++i)
3316     (*i)->PageVisibilityChanged(false);
3317
3318 #if defined(OS_MACOSX)
3319   // Inform NPAPI plugins that their container is no longer visible.
3320   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3321   for (plugin_it = plugin_delegates_.begin();
3322        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3323     (*plugin_it)->SetContainerVisibility(false);
3324   }
3325 #endif  // OS_MACOSX
3326 #endif // ENABLE_PLUGINS
3327 }
3328
3329 void RenderViewImpl::OnWasShown(bool needs_repainting,
3330                                 const ui::LatencyInfo& latency_info) {
3331   RenderWidget::OnWasShown(needs_repainting, latency_info);
3332
3333 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3334   RenderThreadImpl::current()->video_capture_impl_manager()->
3335       SuspendDevices(false);
3336 #endif
3337
3338   if (webview())
3339     webview()->setVisibilityState(visibilityState(), false);
3340
3341 #if defined(ENABLE_PLUGINS)
3342   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3343        i != active_pepper_instances_.end(); ++i)
3344     (*i)->PageVisibilityChanged(true);
3345
3346 #if defined(OS_MACOSX)
3347   // Inform NPAPI plugins that their container is now visible.
3348   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3349   for (plugin_it = plugin_delegates_.begin();
3350        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3351     (*plugin_it)->SetContainerVisibility(true);
3352   }
3353 #endif  // OS_MACOSX
3354 #endif  // ENABLE_PLUGINS
3355 }
3356
3357 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3358   DCHECK(webview());
3359   if (webview()->mainFrame()->isWebLocalFrame())
3360     return GURL(webview()->mainFrame()->document().url());
3361   else
3362     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3363 }
3364
3365 void RenderViewImpl::OnSetFocus(bool enable) {
3366   RenderWidget::OnSetFocus(enable);
3367
3368 #if defined(ENABLE_PLUGINS)
3369   if (webview() && webview()->isActive()) {
3370     // Notify all NPAPI plugins.
3371     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3372     for (plugin_it = plugin_delegates_.begin();
3373          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3374 #if defined(OS_MACOSX)
3375       // RenderWidget's call to setFocus can cause the underlying webview's
3376       // activation state to change just like a call to setIsActive.
3377       if (enable)
3378         (*plugin_it)->SetWindowFocus(true);
3379 #endif
3380       (*plugin_it)->SetContentAreaFocus(enable);
3381     }
3382   }
3383   // Notify all Pepper plugins.
3384   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3385        i != active_pepper_instances_.end(); ++i)
3386     (*i)->SetContentAreaFocus(enable);
3387 #endif
3388   // Notify all BrowserPlugins of the RenderView's focus state.
3389   if (BrowserPluginManager::Get())
3390     BrowserPluginManager::Get()->UpdateFocusState();
3391 }
3392
3393 void RenderViewImpl::OnImeSetComposition(
3394     const base::string16& text,
3395     const std::vector<blink::WebCompositionUnderline>& underlines,
3396     int selection_start,
3397     int selection_end) {
3398 #if defined(ENABLE_PLUGINS)
3399   if (focused_pepper_plugin_) {
3400     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3401         text, underlines, selection_start, selection_end);
3402     return;
3403   }
3404
3405 #if defined(OS_WIN)
3406   // When a plugin has focus, we create platform-specific IME data used by
3407   // our IME emulator and send it directly to the focused plugin, i.e. we
3408   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3409   // instance ID is the same one as the specified ID.)
3410   if (focused_plugin_id_ >= 0) {
3411     std::vector<int> clauses;
3412     std::vector<int> target;
3413     for (size_t i = 0; i < underlines.size(); ++i) {
3414       clauses.push_back(underlines[i].startOffset);
3415       clauses.push_back(underlines[i].endOffset);
3416       if (underlines[i].thick) {
3417         target.clear();
3418         target.push_back(underlines[i].startOffset);
3419         target.push_back(underlines[i].endOffset);
3420       }
3421     }
3422     std::set<WebPluginDelegateProxy*>::iterator it;
3423     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3424       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3425                                    focused_plugin_id_);
3426     }
3427     return;
3428   }
3429 #endif  // OS_WIN
3430 #endif  // ENABLE_PLUGINS
3431   RenderWidget::OnImeSetComposition(text,
3432                                     underlines,
3433                                     selection_start,
3434                                     selection_end);
3435 }
3436
3437 void RenderViewImpl::OnImeConfirmComposition(
3438     const base::string16& text,
3439     const gfx::Range& replacement_range,
3440     bool keep_selection) {
3441 #if defined(ENABLE_PLUGINS)
3442   if (focused_pepper_plugin_) {
3443     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3444         text, replacement_range, keep_selection);
3445     return;
3446   }
3447 #if defined(OS_WIN)
3448   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3449   // plugins. When we send IME text directly to plugins, we should not send
3450   // it to WebKit to prevent WebKit from controlling IMEs.
3451   // TODO(thakis): Honor |replacement_range| for plugins?
3452   if (focused_plugin_id_ >= 0) {
3453     std::set<WebPluginDelegateProxy*>::iterator it;
3454     for (it = plugin_delegates_.begin();
3455           it != plugin_delegates_.end(); ++it) {
3456       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3457     }
3458     return;
3459   }
3460 #endif  // OS_WIN
3461 #endif  // ENABLE_PLUGINS
3462   if (replacement_range.IsValid() && webview()) {
3463     // Select the text in |replacement_range|, it will then be replaced by
3464     // text added by the call to RenderWidget::OnImeConfirmComposition().
3465     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3466       WebRange webrange = WebRange::fromDocumentRange(
3467           frame, replacement_range.start(), replacement_range.length());
3468       if (!webrange.isNull())
3469         frame->selectRange(webrange);
3470     }
3471   }
3472   RenderWidget::OnImeConfirmComposition(text,
3473                                         replacement_range,
3474                                         keep_selection);
3475 }
3476
3477 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3478   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3479   if (webview()) {
3480     webview()->setDeviceScaleFactor(device_scale_factor);
3481     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3482         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3483   }
3484   if (auto_resize_mode_)
3485     AutoResizeCompositor();
3486 }
3487
3488 bool RenderViewImpl::SetDeviceColorProfile(
3489     const std::vector<char>& profile) {
3490   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3491   if (changed && webview()) {
3492     WebVector<char> colorProfile = profile;
3493     webview()->setDeviceColorProfile(colorProfile);
3494   }
3495   return changed;
3496 }
3497
3498 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3499   RenderWidget::ResetDeviceColorProfileForTesting();
3500   if (webview())
3501     webview()->resetDeviceColorProfile();
3502 }
3503
3504 ui::TextInputType RenderViewImpl::GetTextInputType() {
3505 #if defined(ENABLE_PLUGINS)
3506   if (focused_pepper_plugin_)
3507     return focused_pepper_plugin_->text_input_type();
3508 #endif
3509   return RenderWidget::GetTextInputType();
3510 }
3511
3512 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3513 #if defined(ENABLE_PLUGINS)
3514   if (focused_pepper_plugin_) {
3515     // TODO(kinaba) http://crbug.com/101101
3516     // Current Pepper IME API does not handle selection bounds. So we simply
3517     // use the caret position as an empty range for now. It will be updated
3518     // after Pepper API equips features related to surrounding text retrieval.
3519     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3520     *start = caret;
3521     *end = caret;
3522     return;
3523   }
3524 #endif
3525   RenderWidget::GetSelectionBounds(start, end);
3526 }
3527
3528 void RenderViewImpl::FocusChangeComplete() {
3529   RenderWidget::FocusChangeComplete();
3530   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3531 }
3532
3533 void RenderViewImpl::GetCompositionCharacterBounds(
3534     std::vector<gfx::Rect>* bounds) {
3535   DCHECK(bounds);
3536   bounds->clear();
3537
3538 #if defined(ENABLE_PLUGINS)
3539   if (focused_pepper_plugin_) {
3540     return;
3541   }
3542 #endif
3543
3544   if (!webview())
3545     return;
3546   size_t start_offset = 0;
3547   size_t character_count = 0;
3548   if (!webview()->compositionRange(&start_offset, &character_count))
3549     return;
3550   if (character_count == 0)
3551     return;
3552
3553   blink::WebFrame* frame = webview()->focusedFrame();
3554   if (!frame)
3555     return;
3556
3557   bounds->reserve(character_count);
3558   blink::WebRect webrect;
3559   for (size_t i = 0; i < character_count; ++i) {
3560     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3561       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3562       bounds->clear();
3563       return;
3564     }
3565     bounds->push_back(webrect);
3566   }
3567 }
3568
3569 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3570 #if defined(ENABLE_PLUGINS)
3571   if (focused_pepper_plugin_) {
3572     return;
3573   }
3574 #endif
3575   RenderWidget::GetCompositionRange(range);
3576 }
3577
3578 bool RenderViewImpl::CanComposeInline() {
3579 #if defined(ENABLE_PLUGINS)
3580   if (focused_pepper_plugin_)
3581     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3582 #endif
3583   return true;
3584 }
3585
3586 void RenderViewImpl::DidCompletePageScaleAnimation() {
3587   FocusChangeComplete();
3588 }
3589
3590 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3591     bool enabled,
3592     const blink::WebDeviceEmulationParams& params) {
3593   if (webview() && compositor()) {
3594     if (enabled)
3595       webview()->enableDeviceEmulation(params);
3596     else
3597       webview()->disableDeviceEmulation();
3598   }
3599 }
3600
3601 bool RenderViewImpl::ScheduleFileChooser(
3602     const FileChooserParams& params,
3603     WebFileChooserCompletion* completion) {
3604   static const size_t kMaximumPendingFileChooseRequests = 4;
3605   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3606     // This sanity check prevents too many file choose requests from getting
3607     // queued which could DoS the user. Getting these is most likely a
3608     // programming error (there are many ways to DoS the user so it's not
3609     // considered a "real" security check), either in JS requesting many file
3610     // choosers to pop up, or in a plugin.
3611     //
3612     // TODO(brettw) we might possibly want to require a user gesture to open
3613     // a file picker, which will address this issue in a better way.
3614     return false;
3615   }
3616
3617   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3618       new PendingFileChooser(params, completion)));
3619   if (file_chooser_completions_.size() == 1) {
3620     // Actually show the browse dialog when this is the first request.
3621     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3622   }
3623   return true;
3624 }
3625
3626 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3627   if (!speech_recognition_dispatcher_)
3628     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3629   return speech_recognition_dispatcher_;
3630 }
3631
3632 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3633                                        double maximum_level) {
3634   // Round the double to avoid returning incorrect minimum/maximum zoom
3635   // percentages.
3636   int minimum_percent = round(
3637       ZoomLevelToZoomFactor(minimum_level) * 100);
3638   int maximum_percent = round(
3639       ZoomLevelToZoomFactor(maximum_level) * 100);
3640
3641   Send(new ViewHostMsg_UpdateZoomLimits(
3642       routing_id_, minimum_percent, maximum_percent));
3643 }
3644
3645 void RenderViewImpl::zoomLevelChanged() {
3646   double zoom_level = webview()->zoomLevel();
3647
3648   // Do not send empty URLs to the browser when we are just setting the default
3649   // zoom level (from RendererPreferences) before the first navigation.
3650   if (!webview()->mainFrame()->document().url().isEmpty()) {
3651     // Tell the browser which url got zoomed so it can update the menu and the
3652     // saved values if necessary
3653     Send(new ViewHostMsg_DidZoomURL(
3654         routing_id_, zoom_level,
3655         GURL(webview()->mainFrame()->document().url())));
3656   }
3657 }
3658
3659 void RenderViewImpl::pageScaleFactorChanged() {
3660   if (!webview())
3661     return;
3662   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3663   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3664     return;
3665   page_scale_factor_is_one_ = page_scale_factor_is_one;
3666   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3667                                                    page_scale_factor_is_one_));
3668 }
3669
3670 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3671   return ZoomLevelToZoomFactor(zoom_level);
3672 }
3673
3674 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3675   return ZoomFactorToZoomLevel(factor);
3676 }
3677
3678 void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
3679                                              const WebURL& url,
3680                                              const WebString& title) {
3681   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3682   Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
3683                                                base::UTF16ToUTF8(scheme),
3684                                                url,
3685                                                title,
3686                                                user_gesture));
3687 }
3688
3689 void RenderViewImpl::unregisterProtocolHandler(const WebString& scheme,
3690                                                const WebURL& url) {
3691   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3692   Send(new ViewHostMsg_UnregisterProtocolHandler(routing_id_,
3693                                                  base::UTF16ToUTF8(scheme),
3694                                                  url,
3695                                                  user_gesture));
3696 }
3697
3698 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3699   blink::WebPageVisibilityState current_state = is_hidden() ?
3700       blink::WebPageVisibilityStateHidden :
3701       blink::WebPageVisibilityStateVisible;
3702   blink::WebPageVisibilityState override_state = current_state;
3703   // TODO(jam): move this method to WebFrameClient.
3704   if (GetContentClient()->renderer()->
3705           ShouldOverridePageVisibilityState(main_render_frame_.get(),
3706                                             &override_state))
3707     return override_state;
3708   return current_state;
3709 }
3710
3711 void RenderViewImpl::draggableRegionsChanged() {
3712   FOR_EACH_OBSERVER(
3713       RenderViewObserver,
3714       observers_,
3715       DraggableRegionsChanged(webview()->mainFrame()));
3716 }
3717
3718 #if defined(OS_ANDROID)
3719 WebContentDetectionResult RenderViewImpl::detectContentAround(
3720     const WebHitTestResult& touch_hit) {
3721   DCHECK(touch_hit.node().isTextNode());
3722
3723   // Process the position with all the registered content detectors until
3724   // a match is found. Priority is provided by their relative order.
3725   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3726       it != content_detectors_.end(); ++it) {
3727     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3728     if (content.valid) {
3729       return WebContentDetectionResult(content.content_boundaries,
3730           base::UTF8ToUTF16(content.text), content.intent_url);
3731     }
3732   }
3733   return WebContentDetectionResult();
3734 }
3735
3736 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3737   // Introduce a short delay so that the user can notice the content.
3738   base::MessageLoop::current()->PostDelayedTask(
3739       FROM_HERE,
3740       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3741                  AsWeakPtr(),
3742                  intent,
3743                  expected_content_intent_id_),
3744       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3745 }
3746
3747 void RenderViewImpl::cancelScheduledContentIntents() {
3748   ++expected_content_intent_id_;
3749 }
3750
3751 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3752                                                 size_t request_id) {
3753   if (request_id != expected_content_intent_id_)
3754     return;
3755
3756   // Remove the content highlighting if any.
3757   scheduleComposite();
3758
3759   if (!intent.is_empty())
3760     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3761 }
3762
3763 bool RenderViewImpl::openDateTimeChooser(
3764     const blink::WebDateTimeChooserParams& params,
3765     blink::WebDateTimeChooserCompletion* completion) {
3766   // JavaScript may try to open a date time chooser while one is already open.
3767   if (date_time_picker_client_)
3768     return false;
3769   date_time_picker_client_.reset(
3770       new RendererDateTimePicker(this, params, completion));
3771   return date_time_picker_client_->Open();
3772 }
3773
3774 void RenderViewImpl::DismissDateTimeDialog() {
3775   DCHECK(date_time_picker_client_);
3776   date_time_picker_client_.reset(NULL);
3777 }
3778
3779 #endif  // defined(OS_ANDROID)
3780
3781 void RenderViewImpl::OnShowContextMenu(
3782     ui::MenuSourceType source_type, const gfx::Point& location) {
3783   context_menu_source_type_ = source_type;
3784   has_host_context_menu_location_ = true;
3785   host_context_menu_location_ = location;
3786   if (webview())
3787     webview()->showContextMenu();
3788   has_host_context_menu_location_ = false;
3789 }
3790
3791 void RenderViewImpl::OnEnableViewSourceMode() {
3792   if (!webview())
3793     return;
3794   WebFrame* main_frame = webview()->mainFrame();
3795   if (!main_frame)
3796     return;
3797   main_frame->enableViewSourceMode(true);
3798 }
3799
3800 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3801 bool RenderViewImpl::didTapMultipleTargets(
3802     const WebSize& inner_viewport_offset,
3803     const WebRect& touch_rect,
3804     const WebVector<WebRect>& target_rects) {
3805   if (!switches::IsLinkDisambiguationPopupEnabled())
3806     return false;
3807
3808   // Never show a disambiguation popup when accessibility is enabled,
3809   // as this interferes with "touch exploration".
3810   AccessibilityMode accessibility_mode =
3811       GetMainRenderFrame()->accessibility_mode();
3812   bool matches_accessibility_mode_complete =
3813       (accessibility_mode & AccessibilityModeComplete) ==
3814           AccessibilityModeComplete;
3815   if (matches_accessibility_mode_complete)
3816     return false;
3817
3818   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3819   // reference frame.
3820   gfx::Rect zoom_rect;
3821   float new_total_scale =
3822       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3823           touch_rect, target_rects, GetSize(),
3824           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3825           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3826   if (!new_total_scale || zoom_rect.IsEmpty())
3827     return false;
3828
3829   bool handled = false;
3830   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3831     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3832       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3833       break;
3834     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3835       gfx::Size canvas_size =
3836           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3837       cc::SharedBitmapManager* manager =
3838           RenderThreadImpl::current()->shared_bitmap_manager();
3839       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3840           manager->AllocateSharedBitmap(canvas_size);
3841       CHECK(!!shared_bitmap);
3842       {
3843         SkBitmap bitmap;
3844         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3845                                                       canvas_size.height());
3846         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3847         SkCanvas canvas(bitmap);
3848
3849         // TODO(trchen): Cleanup the device scale factor mess.
3850         // device scale will be applied in WebKit
3851         // --> zoom_rect doesn't include device scale,
3852         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3853         canvas.scale(new_total_scale / device_scale_factor_,
3854                      new_total_scale / device_scale_factor_);
3855         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3856                          -zoom_rect.y() * device_scale_factor_);
3857
3858         DCHECK(webwidget_->isAcceleratedCompositingActive());
3859         // TODO(aelias): The disambiguation popup should be composited so we
3860         // don't have to call this method.
3861         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3862       }
3863
3864       gfx::Rect zoom_rect_in_screen =
3865           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3866                                     inner_viewport_offset.height);
3867
3868       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3869           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3870
3871       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3872                                                    physical_window_zoom_rect,
3873                                                    canvas_size,
3874                                                    shared_bitmap->id()));
3875       cc::SharedBitmapId id = shared_bitmap->id();
3876       disambiguation_bitmaps_[id] = shared_bitmap.release();
3877       handled = true;
3878       break;
3879     }
3880     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3881       // No-op.
3882       break;
3883   }
3884
3885   return handled;
3886 }
3887 #endif  // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3888
3889 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3890   return history_list_length_;
3891 }
3892
3893 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3894   if (enable) {
3895     if (has_focus())
3896       return;
3897     OnSetActive(true);
3898     OnSetFocus(true);
3899   } else {
3900     if (!has_focus())
3901       return;
3902     OnSetFocus(false);
3903     OnSetActive(false);
3904   }
3905 }
3906
3907 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3908   ViewMsg_Resize_Params params;
3909   params.screen_info = screen_info_;
3910   params.screen_info.deviceScaleFactor = factor;
3911   params.new_size = size();
3912   params.visible_viewport_size = visible_viewport_size_;
3913   params.physical_backing_size =
3914       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3915   params.top_controls_shrink_blink_size = false;
3916   params.top_controls_height = 0.f;
3917   params.resizer_rect = WebRect();
3918   params.is_fullscreen = is_fullscreen();
3919   OnResize(params);
3920 }
3921
3922 void RenderViewImpl::SetDeviceColorProfileForTesting(
3923     const std::vector<char>& color_profile) {
3924   SetDeviceColorProfile(color_profile);
3925 }
3926
3927 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3928   gfx::Rect new_window_rect(rootWindowRect().x,
3929                             rootWindowRect().y,
3930                             new_size.width(),
3931                             new_size.height());
3932   SetWindowRectSynchronously(new_window_rect);
3933 }
3934
3935 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3936   resizing_mode_selector_->set_is_synchronous_mode(enable);
3937 }
3938
3939 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3940                                                 const gfx::Size& max_size) {
3941   OnEnableAutoResize(min_size, max_size);
3942 }
3943
3944 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3945   OnDisableAutoResize(new_size);
3946 }
3947
3948 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3949     const cc::SharedBitmapId& id) {
3950   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3951   DCHECK(it != disambiguation_bitmaps_.end());
3952   delete it->second;
3953   disambiguation_bitmaps_.erase(it);
3954 }
3955
3956 void RenderViewImpl::DidCommitCompositorFrame() {
3957   RenderWidget::DidCommitCompositorFrame();
3958   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3959 }
3960
3961 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3962   if (!urls.empty())
3963     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3964 }
3965
3966 void RenderViewImpl::DidStopLoadingIcons() {
3967   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3968       WebIconURL::TypeTouch;
3969
3970   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3971   // just return early.
3972   if (webview()->mainFrame()->isWebRemoteFrame())
3973     return;
3974
3975   WebVector<WebIconURL> icon_urls =
3976       webview()->mainFrame()->iconURLs(icon_types);
3977
3978   std::vector<FaviconURL> urls;
3979   for (size_t i = 0; i < icon_urls.size(); i++) {
3980     WebURL url = icon_urls[i].iconURL();
3981     std::vector<gfx::Size> sizes;
3982     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3983     if (!url.isEmpty())
3984       urls.push_back(
3985           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3986   }
3987   SendUpdateFaviconURL(urls);
3988 }
3989
3990 }  // namespace content