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