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/WebLocalFrame.h"
 151 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 152 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 153 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 154 #include "third_party/WebKit/public/web/WebNodeList.h"
 155 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 156 #include "third_party/WebKit/public/web/WebPlugin.h"
 157 #include "third_party/WebKit/public/web/WebPluginAction.h"
 158 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 159 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 160 #include "third_party/WebKit/public/web/WebRange.h"
 161 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 162 #include "third_party/WebKit/public/web/WebScriptSource.h"
 163 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 164 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 165 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 166 #include "third_party/WebKit/public/web/WebSettings.h"
 167 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 168 #include "third_party/WebKit/public/web/WebView.h"
 169 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 170 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 171 #include "third_party/icu/source/common/unicode/uchar.h"
 172 #include "third_party/icu/source/common/unicode/uscript.h"
 173 #include "ui/base/clipboard/clipboard.h"
 174 #include "ui/base/ui_base_switches_util.h"
 175 #include "ui/events/latency_info.h"
 176 #include "ui/gfx/geometry/point.h"
 177 #include "ui/gfx/geometry/rect.h"
 178 #include "ui/gfx/geometry/rect_conversions.h"
 179 #include "ui/gfx/geometry/size_conversions.h"
 180 #include "ui/gfx/native_widget_types.h"
 181 #include "v8/include/v8.h"
 182
 183 #if defined(OS_ANDROID)
 184 #include <cpu-features.h>
 185
 186 #include "content/renderer/android/address_detector.h"
 187 #include "content/renderer/android/content_detector.h"
 188 #include "content/renderer/android/email_detector.h"
 189 #include "content/renderer/android/phone_number_detector.h"
 190 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 191 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 192 #include "ui/gfx/geometry/rect_f.h"
 193
 194 #elif defined(OS_WIN)
 195 // TODO(port): these files are currently Windows only because they concern:
 196 //   * theming
 197 #include "ui/native_theme/native_theme_win.h"
 198 #elif defined(USE_X11)
 199 #include "ui/native_theme/native_theme.h"
 200 #elif defined(OS_MACOSX)
 201 #include "skia/ext/skia_utils_mac.h"
 202 #endif
 203
 204 #if defined(ENABLE_PLUGINS)
 205 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 206 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 207 #include "content/renderer/pepper/pepper_plugin_registry.h"
 208 #endif
 209
 210 #if defined(ENABLE_WEBRTC)
 211 #include "content/renderer/media/rtc_peer_connection_handler.h"
 212 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 213 #endif
 214
 215 using blink::WebAXObject;
 216 using blink::WebApplicationCacheHost;
 217 using blink::WebApplicationCacheHostClient;
 218 using blink::WebCString;
 219 using blink::WebColor;
 220 using blink::WebColorName;
 221 using blink::WebConsoleMessage;
 222 using blink::WebData;
 223 using blink::WebDataSource;
 224 using blink::WebDocument;
 225 using blink::WebDragData;
 226 using blink::WebDragOperation;
 227 using blink::WebDragOperationsMask;
 228 using blink::WebElement;
 229 using blink::WebFileChooserCompletion;
 230 using blink::WebFindOptions;
 231 using blink::WebFormControlElement;
 232 using blink::WebFormElement;
 233 using blink::WebFrame;
 234 using blink::WebGestureEvent;
 235 using blink::WebHistoryItem;
 236 using blink::WebHTTPBody;
 237 using blink::WebIconURL;
 238 using blink::WebImage;
 239 using blink::WebInputElement;
 240 using blink::WebInputEvent;
 241 using blink::WebLocalFrame;
 242 using blink::WebMediaPlayerAction;
 243 using blink::WebMouseEvent;
 244 using blink::WebNavigationPolicy;
 245 using blink::WebNavigationType;
 246 using blink::WebNode;
 247 using blink::WebPageSerializer;
 248 using blink::WebPageSerializerClient;
 249 using blink::WebPeerConnection00Handler;
 250 using blink::WebPeerConnection00HandlerClient;
 251 using blink::WebPeerConnectionHandler;
 252 using blink::WebPeerConnectionHandlerClient;
 253 using blink::WebPluginAction;
 254 using blink::WebPluginContainer;
 255 using blink::WebPluginDocument;
 256 using blink::WebPoint;
 257 using blink::WebRange;
 258 using blink::WebRect;
 259 using blink::WebReferrerPolicy;
 260 using blink::WebScriptSource;
 261 using blink::WebSearchableFormData;
 262 using blink::WebSecurityOrigin;
 263 using blink::WebSecurityPolicy;
 264 using blink::WebSettings;
 265 using blink::WebSize;
 266 using blink::WebStorageNamespace;
 267 using blink::WebStorageQuotaCallbacks;
 268 using blink::WebStorageQuotaError;
 269 using blink::WebStorageQuotaType;
 270 using blink::WebString;
 271 using blink::WebTextAffinity;
 272 using blink::WebTextDirection;
 273 using blink::WebTouchEvent;
 274 using blink::WebURL;
 275 using blink::WebURLError;
 276 using blink::WebURLRequest;
 277 using blink::WebURLResponse;
 278 using blink::WebUserGestureIndicator;
 279 using blink::WebVector;
 280 using blink::WebView;
 281 using blink::WebWidget;
 282 using blink::WebWindowFeatures;
 283 using blink::WebNetworkStateNotifier;
 284 using blink::WebRuntimeFeatures;
 285 using base::Time;
 286 using base::TimeDelta;
 287
 288 #if defined(OS_ANDROID)
 289 using blink::WebContentDetectionResult;
 290 using blink::WebFloatPoint;
 291 using blink::WebFloatRect;
 292 using blink::WebHitTestResult;
 293 #endif
 294
 295 namespace content {
 296
 297 //-----------------------------------------------------------------------------
 298
 299 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 300 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 301 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 302 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 303     LAZY_INSTANCE_INITIALIZER;
 304
 305 // Time, in seconds, we delay before sending content state changes (such as form
 306 // state and scroll position) to the browser. We delay sending changes to avoid
 307 // spamming the browser.
 308 // To avoid having tab/session restore require sending a message to get the
 309 // current content state during tab closing we use a shorter timeout for the
 310 // foreground renderer. This means there is a small window of time from which
 311 // content state is modified and not sent to session restore, but this is
 312 // better than having to wake up all renderers during shutdown.
 313 const int kDelaySecondsForContentStateSyncHidden = 5;
 314 const int kDelaySecondsForContentStateSync = 1;
 315
 316 #if defined(OS_ANDROID)
 317 // Delay between tapping in content and launching the associated android intent.
 318 // Used to allow users see what has been recognized as content.
 319 const size_t kContentIntentDelayMilliseconds = 700;
 320 #endif
 321
 322 static RenderViewImpl* (*g_create_render_view_impl)(const ViewMsg_New_Params&) =
 323     NULL;
 324
 325 // static
 326 Referrer RenderViewImpl::GetReferrerFromRequest(
 327     WebFrame* frame,
 328     const WebURLRequest& request) {
 329   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 330                   request.referrerPolicy());
 331 }
 332
 333 // static
 334 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 335     WebNavigationPolicy policy) {
 336   switch (policy) {
 337     case blink::WebNavigationPolicyIgnore:
 338       return IGNORE_ACTION;
 339     case blink::WebNavigationPolicyDownload:
 340       return SAVE_TO_DISK;
 341     case blink::WebNavigationPolicyCurrentTab:
 342       return CURRENT_TAB;
 343     case blink::WebNavigationPolicyNewBackgroundTab:
 344       return NEW_BACKGROUND_TAB;
 345     case blink::WebNavigationPolicyNewForegroundTab:
 346       return NEW_FOREGROUND_TAB;
 347     case blink::WebNavigationPolicyNewWindow:
 348       return NEW_WINDOW;
 349     case blink::WebNavigationPolicyNewPopup:
 350       return NEW_POPUP;
 351   default:
 352     NOTREACHED() << "Unexpected WebNavigationPolicy";
 353     return IGNORE_ACTION;
 354   }
 355 }
 356
 357 // Returns true if the device scale is high enough that losing subpixel
 358 // antialiasing won't have a noticeable effect on text quality.
 359 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 360 #if defined(OS_ANDROID)
 361   // On Android, we never have subpixel antialiasing.
 362   return true;
 363 #else
 364   return device_scale_factor > 1.5f;
 365 #endif
 366
 367 }
 368
 369 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 370                                        float device_scale_factor) {
 371   const base::CommandLine& command_line =
 372       *base::CommandLine::ForCurrentProcess();
 373   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 374     return false;
 375   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 376     return true;
 377   if (!compositor_deps->IsLcdTextEnabled())
 378     return true;
 379   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 380 }
 381
 382 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 383   switch (type) {
 384     case blink::WebIconURL::TypeFavicon:
 385       return FaviconURL::FAVICON;
 386     case blink::WebIconURL::TypeTouch:
 387       return FaviconURL::TOUCH_ICON;
 388     case blink::WebIconURL::TypeTouchPrecomposed:
 389       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 390     case blink::WebIconURL::TypeInvalid:
 391       return FaviconURL::INVALID_ICON;
 392   }
 393   return FaviconURL::INVALID_ICON;
 394 }
 395
 396 static void ConvertToFaviconSizes(
 397     const blink::WebVector<blink::WebSize>& web_sizes,
 398     std::vector<gfx::Size>* sizes) {
 399   DCHECK(sizes->empty());
 400   sizes->reserve(web_sizes.size());
 401   for (size_t i = 0; i < web_sizes.size(); ++i)
 402     sizes->push_back(gfx::Size(web_sizes[i]));
 403 }
 404
 405 static blink::WebDevToolsAgent* GetWebDevToolsAgent(WebView* webview) {
 406   if (!webview || !webview->mainFrame()->isWebLocalFrame())
 407     return nullptr;
 408   return webview->mainFrame()->toWebLocalFrame()->devToolsAgent();
 409 }
 410
 411 ///////////////////////////////////////////////////////////////////////////////
 412
 413 struct RenderViewImpl::PendingFileChooser {
 414   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 415       : params(p),
 416         completion(c) {
 417   }
 418   FileChooserParams params;
 419   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 420 };
 421
 422 namespace {
 423
 424 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 425  public:
 426   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 427       : webwidget_(webwidget) {}
 428
 429   void OnLockMouseACK(bool succeeded) override {
 430     if (succeeded)
 431       webwidget_->didAcquirePointerLock();
 432     else
 433       webwidget_->didNotAcquirePointerLock();
 434   }
 435
 436   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 437
 438   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 439     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 440     return false;
 441   }
 442
 443  private:
 444   blink::WebWidget* webwidget_;
 445 };
 446
 447 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 448   std::vector<WebDragData::Item> item_list;
 449
 450   // These fields are currently unused when dragging into WebKit.
 451   DCHECK(drop_data.download_metadata.empty());
 452   DCHECK(drop_data.file_contents.empty());
 453   DCHECK(drop_data.file_description_filename.empty());
 454
 455   if (!drop_data.text.is_null()) {
 456     WebDragData::Item item;
 457     item.storageType = WebDragData::Item::StorageTypeString;
 458     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 459     item.stringData = drop_data.text.string();
 460     item_list.push_back(item);
 461   }
 462
 463   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 464   // meaningful to write an empty URL to the clipboard?
 465   if (!drop_data.url.is_empty()) {
 466     WebDragData::Item item;
 467     item.storageType = WebDragData::Item::StorageTypeString;
 468     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 469     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 470     item.title = drop_data.url_title;
 471     item_list.push_back(item);
 472   }
 473
 474   if (!drop_data.html.is_null()) {
 475     WebDragData::Item item;
 476     item.storageType = WebDragData::Item::StorageTypeString;
 477     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 478     item.stringData = drop_data.html.string();
 479     item.baseURL = drop_data.html_base_url;
 480     item_list.push_back(item);
 481   }
 482
 483   for (std::vector<ui::FileInfo>::const_iterator it =
 484            drop_data.filenames.begin();
 485        it != drop_data.filenames.end();
 486        ++it) {
 487     WebDragData::Item item;
 488     item.storageType = WebDragData::Item::StorageTypeFilename;
 489     item.filenameData = it->path.AsUTF16Unsafe();
 490     item.displayNameData = it->display_name.AsUTF16Unsafe();
 491     item_list.push_back(item);
 492   }
 493
 494   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 495            drop_data.file_system_files.begin();
 496        it != drop_data.file_system_files.end();
 497        ++it) {
 498     WebDragData::Item item;
 499     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 500     item.fileSystemURL = it->url;
 501     item.fileSystemFileSize = it->size;
 502     item_list.push_back(item);
 503   }
 504
 505   for (std::map<base::string16, base::string16>::const_iterator it =
 506            drop_data.custom_data.begin();
 507        it != drop_data.custom_data.end();
 508        ++it) {
 509     WebDragData::Item item;
 510     item.storageType = WebDragData::Item::StorageTypeString;
 511     item.stringType = it->first;
 512     item.stringData = it->second;
 513     item_list.push_back(item);
 514   }
 515
 516   WebDragData result;
 517   result.initialize();
 518   result.setItems(item_list);
 519   result.setFilesystemId(drop_data.filesystem_id);
 520   return result;
 521 }
 522
 523 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 524                                      const base::string16&,
 525                                      UScriptCode);
 526
 527 void SetStandardFontFamilyWrapper(WebSettings* settings,
 528                                   const base::string16& font,
 529                                   UScriptCode script) {
 530   settings->setStandardFontFamily(font, script);
 531 }
 532
 533 void SetFixedFontFamilyWrapper(WebSettings* settings,
 534                                const base::string16& font,
 535                                UScriptCode script) {
 536   settings->setFixedFontFamily(font, script);
 537 }
 538
 539 void SetSerifFontFamilyWrapper(WebSettings* settings,
 540                                const base::string16& font,
 541                                UScriptCode script) {
 542   settings->setSerifFontFamily(font, script);
 543 }
 544
 545 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 546                                    const base::string16& font,
 547                                    UScriptCode script) {
 548   settings->setSansSerifFontFamily(font, script);
 549 }
 550
 551 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 552                                  const base::string16& font,
 553                                  UScriptCode script) {
 554   settings->setCursiveFontFamily(font, script);
 555 }
 556
 557 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 558                                  const base::string16& font,
 559                                  UScriptCode script) {
 560   settings->setFantasyFontFamily(font, script);
 561 }
 562
 563 void SetPictographFontFamilyWrapper(WebSettings* settings,
 564                                     const base::string16& font,
 565                                     UScriptCode script) {
 566   settings->setPictographFontFamily(font, script);
 567 }
 568
 569 // If |scriptCode| is a member of a family of "similar" script codes, returns
 570 // the script code in that family that is used by WebKit for font selection
 571 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 572 // considered equivalent for the purposes of font selection.  WebKit uses the
 573 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 574 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 575 // uses different scripts than the ones in Chrome pref names because the version
 576 // of ICU included on certain ports does not have some of the newer scripts.  If
 577 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 578 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 579   switch (scriptCode) {
 580     case USCRIPT_HIRAGANA:
 581     case USCRIPT_KATAKANA:
 582     case USCRIPT_JAPANESE:
 583       return USCRIPT_KATAKANA_OR_HIRAGANA;
 584     case USCRIPT_KOREAN:
 585       return USCRIPT_HANGUL;
 586     default:
 587       return scriptCode;
 588   }
 589 }
 590
 591 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 592                        SetFontFamilyWrapper setter,
 593                        WebSettings* settings) {
 594   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 595        ++it) {
 596     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 597     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 598       UScriptCode code = static_cast<UScriptCode>(script);
 599       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 600     }
 601   }
 602 }
 603
 604 void ApplyBlinkSettings(const base::CommandLine& command_line,
 605                         WebSettings* settings) {
 606   if (!command_line.HasSwitch(switches::kBlinkSettings))
 607     return;
 608
 609   std::vector<std::string> blink_settings;
 610   base::SplitString(
 611       command_line.GetSwitchValueASCII(switches::kBlinkSettings), ',',
 612       &blink_settings);
 613   for (const std::string& setting : blink_settings) {
 614     size_t pos = setting.find('=');
 615     settings->setFromStrings(
 616         blink::WebString::fromLatin1(setting.substr(0, pos)),
 617         blink::WebString::fromLatin1(
 618             pos == std::string::npos ? "" : setting.substr(pos + 1)));
 619   }
 620 }
 621
 622 }  // namespace
 623
 624 RenderViewImpl::RenderViewImpl(const ViewMsg_New_Params& params)
 625     : RenderWidget(blink::WebPopupTypeNone,
 626                    params.initial_size.screen_info,
 627                    params.swapped_out,
 628                    params.hidden,
 629                    params.never_visible),
 630       webkit_preferences_(params.web_preferences),
 631       send_content_state_immediately_(false),
 632       enabled_bindings_(0),
 633       send_preferred_size_changes_(false),
 634       navigation_gesture_(NavigationGestureUnknown),
 635       opened_by_user_gesture_(true),
 636       opener_suppressed_(false),
 637       suppress_dialogs_until_swap_out_(false),
 638       page_id_(-1),
 639       next_page_id_(params.next_page_id),
 640       history_list_offset_(-1),
 641       history_list_length_(0),
 642       frames_in_progress_(0),
 643       target_url_status_(TARGET_NONE),
 644       uses_temporary_zoom_level_(false),
 645 #if defined(OS_ANDROID)
 646       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 647 #endif
 648       has_scrolled_focused_editable_node_into_rect_(false),
 649       speech_recognition_dispatcher_(NULL),
 650       mouse_lock_dispatcher_(NULL),
 651 #if defined(OS_ANDROID)
 652       expected_content_intent_id_(0),
 653 #endif
 654 #if defined(OS_WIN)
 655       focused_plugin_id_(-1),
 656 #endif
 657 #if defined(ENABLE_PLUGINS)
 658       plugin_find_handler_(NULL),
 659       focused_pepper_plugin_(NULL),
 660       pepper_last_mouse_event_target_(NULL),
 661 #endif
 662       enumeration_completion_id_(0),
 663       session_storage_namespace_id_(params.session_storage_namespace_id),
 664       page_scale_factor_is_one_(true) {
 665 }
 666
 667 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 668                                 CompositorDependencies* compositor_deps,
 669                                 bool was_created_by_renderer) {
 670   routing_id_ = params.view_id;
 671   surface_id_ = params.surface_id;
 672   if (params.opener_route_id != MSG_ROUTING_NONE && was_created_by_renderer)
 673     opener_id_ = params.opener_route_id;
 674   display_mode_= params.initial_size.display_mode;
 675
 676   // Ensure we start with a valid next_page_id_ from the browser.
 677   DCHECK_GE(next_page_id_, 0);
 678
 679   main_render_frame_.reset(RenderFrameImpl::Create(
 680       this, params.main_frame_routing_id));
 681   // The main frame WebLocalFrame object is closed by
 682   // RenderFrameImpl::frameDetached().
 683   WebLocalFrame* web_frame = WebLocalFrame::create(main_render_frame_.get());
 684   main_render_frame_->SetWebFrame(web_frame);
 685
 686   compositor_deps_ = compositor_deps;
 687   webwidget_ = WebView::create(this);
 688   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 689
 690   const base::CommandLine& command_line =
 691       *base::CommandLine::ForCurrentProcess();
 692
 693   if (command_line.HasSwitch(switches::kStatsCollectionController))
 694     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 695
 696 #if defined(OS_ANDROID)
 697   content_detectors_.push_back(linked_ptr<ContentDetector>(
 698       new AddressDetector()));
 699   const std::string& contry_iso =
 700       params.renderer_preferences.network_contry_iso;
 701   if (!contry_iso.empty()) {
 702     content_detectors_.push_back(linked_ptr<ContentDetector>(
 703         new PhoneNumberDetector(contry_iso)));
 704   }
 705   content_detectors_.push_back(linked_ptr<ContentDetector>(
 706       new EmailDetector()));
 707 #endif
 708
 709   RenderThread::Get()->AddRoute(routing_id_, this);
 710   // Take a reference on behalf of the RenderThread.  This will be balanced
 711   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 712   // inherits from).
 713   AddRef();
 714   if (RenderThreadImpl::current()) {
 715     RenderThreadImpl::current()->WidgetCreated();
 716     if (is_hidden_)
 717       RenderThreadImpl::current()->WidgetHidden();
 718   }
 719
 720   // If this is a popup, we must wait for the CreatingNew_ACK message before
 721   // completing initialization.  Otherwise, we can finish it now.
 722   if (opener_id_ == MSG_ROUTING_NONE) {
 723     did_show_ = true;
 724     CompleteInit();
 725   }
 726
 727   g_view_map.Get().insert(std::make_pair(webview(), this));
 728   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 729   webview()->setDeviceScaleFactor(device_scale_factor_);
 730   webview()->setDisplayMode(display_mode_);
 731   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 732       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 733   webview()->settings()->setThreadedScrollingEnabled(
 734       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 735   webview()->settings()->setRootLayerScrolls(
 736       command_line.HasSwitch(switches::kRootLayerScrolls));
 737
 738   ApplyWebPreferences(webkit_preferences_, webview());
 739
 740   RenderFrameProxy* proxy = NULL;
 741   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 742     CHECK(params.swapped_out);
 743     proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 744         main_render_frame_.get(), params.proxy_routing_id);
 745     main_render_frame_->set_render_frame_proxy(proxy);
 746   }
 747
 748   // In --site-per-process, just use the WebRemoteFrame as the main frame.
 749   if (command_line.HasSwitch(switches::kSitePerProcess) && proxy) {
 750     webview()->setMainFrame(proxy->web_frame());
 751     // Initialize the WebRemoteFrame with information replicated from the
 752     // browser process.
 753     proxy->SetReplicatedState(params.replicated_frame_state);
 754   } else {
 755     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 756   }
 757   main_render_frame_->Initialize();
 758
 759   if (switches::IsTouchDragDropEnabled())
 760     webview()->settings()->setTouchDragDropEnabled(true);
 761
 762   if (switches::IsTouchEditingEnabled())
 763     webview()->settings()->setTouchEditingEnabled(true);
 764
 765   if (!params.frame_name.empty())
 766     webview()->mainFrame()->setName(params.frame_name);
 767
 768   // TODO(davidben): Move this state from Blink into content.
 769   if (params.window_was_created_with_opener)
 770     webview()->setOpenedByDOM();
 771
 772   OnSetRendererPrefs(params.renderer_preferences);
 773
 774   ApplyBlinkSettings(command_line, webview()->settings());
 775
 776   if (!params.enable_auto_resize) {
 777     OnResize(params.initial_size);
 778   } else {
 779     OnEnableAutoResize(params.min_size, params.max_size);
 780   }
 781
 782   new MHTMLGenerator(this);
 783 #if defined(OS_MACOSX)
 784   new TextInputClientObserver(this);
 785 #endif  // defined(OS_MACOSX)
 786
 787   // TODO(dgozman): do this not for main frame, but for local frame roots.
 788   if (blink::WebDevToolsAgent* devToolsAgent = GetWebDevToolsAgent(webview())) {
 789     if (RenderWidgetCompositor* rwc = compositor())
 790       devToolsAgent->setLayerTreeId(rwc->GetLayerTreeId());
 791   }
 792
 793   // The next group of objects all implement RenderViewObserver, so are deleted
 794   // along with the RenderView automatically.
 795   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 796
 797   history_controller_.reset(new HistoryController(this));
 798
 799   new IdleUserDetector(this);
 800
 801   if (command_line.HasSwitch(switches::kDomAutomationController))
 802     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 803   if (command_line.HasSwitch(switches::kStatsCollectionController))
 804     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 805
 806   GetContentClient()->renderer()->RenderViewCreated(this);
 807
 808   // If we have an opener_id but we weren't created by a renderer, then
 809   // it's the browser asking us to set our opener to another RenderView.
 810   if (params.opener_route_id != MSG_ROUTING_NONE && !was_created_by_renderer) {
 811     RenderViewImpl* opener_view = FromRoutingID(params.opener_route_id);
 812     if (opener_view)
 813       webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame());
 814   }
 815
 816   // If we are initially swapped out, navigate to kSwappedOutURL.
 817   // This ensures we are in a unique origin that others cannot script.
 818   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 819     main_render_frame_->NavigateToSwappedOutURL();
 820 }
 821
 822 RenderViewImpl::~RenderViewImpl() {
 823   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 824        it != disambiguation_bitmaps_.end();
 825        ++it)
 826     delete it->second;
 827   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 828
 829   // If file chooser is still waiting for answer, dispatch empty answer.
 830   while (!file_chooser_completions_.empty()) {
 831     if (file_chooser_completions_.front()->completion) {
 832       file_chooser_completions_.front()->completion->didChooseFile(
 833           WebVector<WebString>());
 834     }
 835     file_chooser_completions_.pop_front();
 836   }
 837
 838 #if defined(OS_ANDROID)
 839   // The date/time picker client is both a scoped_ptr member of this class and
 840   // a RenderViewObserver. Reset it to prevent double deletion.
 841   date_time_picker_client_.reset();
 842 #endif
 843
 844 #ifndef NDEBUG
 845   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 846   ViewMap* views = g_view_map.Pointer();
 847   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 848     DCHECK_NE(this, it->second) << "Failed to call Close?";
 849   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 850   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 851        it != routing_id_views->end(); ++it)
 852     DCHECK_NE(this, it->second) << "Failed to call Close?";
 853 #endif
 854
 855   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 856   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 857 }
 858
 859 /*static*/
 860 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 861   ViewMap* views = g_view_map.Pointer();
 862   ViewMap::iterator it = views->find(webview);
 863   return it == views->end() ? NULL : it->second;
 864 }
 865
 866 /*static*/
 867 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 868   return RenderViewImpl::FromWebView(webview);
 869 }
 870
 871 /*static*/
 872 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 873   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 874   RoutingIDViewMap::iterator it = views->find(routing_id);
 875   return it == views->end() ? NULL : it->second;
 876 }
 877
 878 /*static*/
 879 RenderView* RenderView::FromRoutingID(int routing_id) {
 880   return RenderViewImpl::FromRoutingID(routing_id);
 881 }
 882
 883 /* static */
 884 size_t RenderViewImpl::GetRenderViewCount() {
 885   return g_view_map.Get().size();
 886 }
 887
 888 /*static*/
 889 void RenderView::ForEach(RenderViewVisitor* visitor) {
 890   ViewMap* views = g_view_map.Pointer();
 891   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 892     if (!visitor->Visit(it->second))
 893       return;
 894   }
 895 }
 896
 897 /*static*/
 898 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 899                                      WebView* web_view) {
 900   WebSettings* settings = web_view->settings();
 901   ApplyFontsFromMap(prefs.standard_font_family_map,
 902                     SetStandardFontFamilyWrapper, settings);
 903   ApplyFontsFromMap(prefs.fixed_font_family_map,
 904                     SetFixedFontFamilyWrapper, settings);
 905   ApplyFontsFromMap(prefs.serif_font_family_map,
 906                     SetSerifFontFamilyWrapper, settings);
 907   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 908                     SetSansSerifFontFamilyWrapper, settings);
 909   ApplyFontsFromMap(prefs.cursive_font_family_map,
 910                     SetCursiveFontFamilyWrapper, settings);
 911   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 912                     SetFantasyFontFamilyWrapper, settings);
 913   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 914                     SetPictographFontFamilyWrapper, settings);
 915   settings->setDefaultFontSize(prefs.default_font_size);
 916   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 917   settings->setMinimumFontSize(prefs.minimum_font_size);
 918   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 919   settings->setDefaultTextEncodingName(
 920       base::ASCIIToUTF16(prefs.default_encoding));
 921   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 922   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 923   settings->setJavaScriptCanOpenWindowsAutomatically(
 924       prefs.javascript_can_open_windows_automatically);
 925   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 926   settings->setImagesEnabled(prefs.images_enabled);
 927   settings->setPluginsEnabled(prefs.plugins_enabled);
 928   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 929   settings->setShrinksStandaloneImagesToFit(
 930       prefs.shrinks_standalone_images_to_fit);
 931   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 932   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 933   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 934   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 935   settings->setJavaScriptCanAccessClipboard(
 936       prefs.javascript_can_access_clipboard);
 937   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 938   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 939   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 940   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 941   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 942   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 943   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 944   settings->setOfflineWebApplicationCacheEnabled(
 945       prefs.application_cache_enabled);
 946   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
 947   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
 948   settings->setCookieEnabled(prefs.cookie_enabled);
 949   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
 950
 951   settings->setJavaEnabled(prefs.java_enabled);
 952
 953   // By default, allow_universal_access_from_file_urls is set to false and thus
 954   // we mitigate attacks from local HTML files by not granting file:// URLs
 955   // universal access. Only test shell will enable this.
 956   settings->setAllowUniversalAccessFromFileURLs(
 957       prefs.allow_universal_access_from_file_urls);
 958   settings->setAllowFileAccessFromFileURLs(
 959       prefs.allow_file_access_from_file_urls);
 960
 961   // Enable the web audio API if requested on the command line.
 962   settings->setWebAudioEnabled(prefs.webaudio_enabled);
 963
 964   // Enable experimental WebGL support if requested on command line
 965   // and support is compiled in.
 966   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 967
 968   // Disable GL multisampling if requested on command line.
 969   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
 970
 971   // Enable WebGL errors to the JS console if requested.
 972   settings->setWebGLErrorsToConsoleEnabled(
 973       prefs.webgl_errors_to_console_enabled);
 974
 975   // Uses the mock theme engine for scrollbars.
 976   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 977
 978   // Enable gpu-accelerated 2d canvas if requested on the command line.
 979   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 980
 981   settings->setMinimumAccelerated2dCanvasSize(
 982       prefs.minimum_accelerated_2d_canvas_size);
 983
 984   // Disable antialiasing for 2d canvas if requested on the command line.
 985   settings->setAntialiased2dCanvasEnabled(
 986       !prefs.antialiased_2d_canvas_disabled);
 987
 988   // Enabled antialiasing of clips for 2d canvas if requested on the command
 989   // line.
 990   settings->setAntialiasedClips2dCanvasEnabled(
 991       prefs.antialiased_clips_2d_canvas_enabled);
 992
 993   // Set MSAA sample count for 2d canvas if requested on the command line (or
 994   // default value if not).
 995   settings->setAccelerated2dCanvasMSAASampleCount(
 996       prefs.accelerated_2d_canvas_msaa_sample_count);
 997
 998   WebRuntimeFeatures::enableTextBlobs(prefs.text_blobs_enabled);
 999
1000   settings->setAsynchronousSpellCheckingEnabled(
1001       prefs.asynchronous_spell_checking_enabled);
1002   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1003
1004   // Tabs to link is not part of the settings. WebCore calls
1005   // ChromeClient::tabsToLinks which is part of the glue code.
1006   web_view->setTabsToLinks(prefs.tabs_to_links);
1007
1008   settings->setAllowDisplayOfInsecureContent(
1009       prefs.allow_displaying_insecure_content);
1010   settings->setAllowRunningOfInsecureContent(
1011       prefs.allow_running_insecure_content);
1012   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1013   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1014   settings->setStrictPowerfulFeatureRestrictions(
1015       prefs.strict_powerful_feature_restrictions);
1016   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1017   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1018   settings->setShouldClearDocumentBackground(
1019       prefs.should_clear_document_background);
1020   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1021
1022   settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled);
1023
1024   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1025   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1026   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1027   settings->setPrimaryPointerType(
1028       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1029   settings->setAvailableHoverTypes(prefs.available_hover_types);
1030   settings->setPrimaryHoverType(
1031       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1032   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1033   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1034   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1035
1036   settings->setDeferredImageDecodingEnabled(
1037       prefs.deferred_image_decoding_enabled);
1038   WebRuntimeFeatures::enableImageColorProfiles(
1039       prefs.image_color_profiles_enabled);
1040   settings->setShouldRespectImageOrientation(
1041       prefs.should_respect_image_orientation);
1042
1043   settings->setUnsafePluginPastingEnabled(false);
1044   settings->setEditingBehavior(
1045       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1046
1047   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1048
1049   settings->setViewportEnabled(prefs.viewport_enabled);
1050   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1051   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1052   settings->setMainFrameResizesAreOrientationChanges(
1053       prefs.main_frame_resizes_are_orientation_changes);
1054
1055   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1056
1057   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1058
1059   settings->setSelectionIncludesAltImageText(true);
1060
1061   settings->setV8CacheOptions(
1062       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1063
1064   settings->setImageAnimationPolicy(
1065       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1066
1067   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1068   web_view->setDefaultPageScaleLimits(
1069       prefs.default_minimum_page_scale_factor,
1070       prefs.default_maximum_page_scale_factor);
1071
1072 #if defined(OS_ANDROID)
1073   settings->setAllowCustomScrollbarInMainFrame(false);
1074   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1075   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1076   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1077   settings->setFullscreenSupported(prefs.fullscreen_supported);
1078   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1079   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1080   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1081   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1082   settings->setMediaPlaybackRequiresUserGesture(
1083       prefs.user_gesture_required_for_media_playback);
1084   settings->setDefaultVideoPosterURL(
1085         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1086   settings->setSupportDeprecatedTargetDensityDPI(
1087       prefs.support_deprecated_target_density_dpi);
1088   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1089       prefs.use_legacy_background_size_shorthand_behavior);
1090   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1091   settings->setUseWideViewport(prefs.use_wide_viewport);
1092   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1093   settings->setViewportMetaLayoutSizeQuirk(
1094       prefs.viewport_meta_layout_size_quirk);
1095   settings->setViewportMetaMergeContentQuirk(
1096       prefs.viewport_meta_merge_content_quirk);
1097   settings->setViewportMetaNonUserScalableQuirk(
1098       prefs.viewport_meta_non_user_scalable_quirk);
1099   settings->setViewportMetaZeroValuesQuirk(
1100       prefs.viewport_meta_zero_values_quirk);
1101   settings->setClobberUserAgentInitialScaleQuirk(
1102       prefs.clobber_user_agent_initial_scale_quirk);
1103   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1104       prefs.ignore_main_frame_overflow_hidden_quirk);
1105   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1106       prefs.report_screen_size_in_physical_pixels_quirk);
1107
1108   bool record_full_layer =
1109       RenderViewImpl::FromWebView(web_view)
1110           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1111           : false;
1112   settings->setMainFrameClipsContent(!record_full_layer);
1113
1114   settings->setShrinksStandaloneImagesToFit(false);
1115   settings->setShrinksViewportContentToFit(true);
1116   settings->setUseMobileViewportStyle(true);
1117 #endif
1118
1119   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1120   WebNetworkStateNotifier::setWebConnectionType(
1121       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1122   settings->setPinchVirtualViewportEnabled(
1123       prefs.pinch_virtual_viewport_enabled);
1124
1125   settings->setPinchOverlayScrollbarThickness(
1126       prefs.pinch_overlay_scrollbar_thickness);
1127   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1128
1129   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1130
1131 #if defined(OS_MACOSX)
1132   settings->setDoubleTapToZoomEnabled(true);
1133   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1134 #endif
1135 }
1136
1137 /*static*/
1138 RenderViewImpl* RenderViewImpl::Create(const ViewMsg_New_Params& params,
1139                                        CompositorDependencies* compositor_deps,
1140                                        bool was_created_by_renderer) {
1141   DCHECK(params.view_id != MSG_ROUTING_NONE);
1142   RenderViewImpl* render_view = NULL;
1143   if (g_create_render_view_impl)
1144     render_view = g_create_render_view_impl(params);
1145   else
1146     render_view = new RenderViewImpl(params);
1147
1148   render_view->Initialize(params, compositor_deps, was_created_by_renderer);
1149   return render_view;
1150 }
1151
1152 // static
1153 void RenderViewImpl::InstallCreateHook(
1154     RenderViewImpl* (*create_render_view_impl)(const ViewMsg_New_Params&)) {
1155   CHECK(!g_create_render_view_impl);
1156   g_create_render_view_impl = create_render_view_impl;
1157 }
1158
1159 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1160   observers_.AddObserver(observer);
1161 }
1162
1163 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1164   observer->RenderViewGone();
1165   observers_.RemoveObserver(observer);
1166 }
1167
1168 blink::WebView* RenderViewImpl::webview() const {
1169   return static_cast<blink::WebView*>(webwidget());
1170 }
1171
1172 #if defined(ENABLE_PLUGINS)
1173 void RenderViewImpl::PepperInstanceCreated(
1174     PepperPluginInstanceImpl* instance) {
1175   active_pepper_instances_.insert(instance);
1176 }
1177
1178 void RenderViewImpl::PepperInstanceDeleted(
1179     PepperPluginInstanceImpl* instance) {
1180   active_pepper_instances_.erase(instance);
1181
1182   if (pepper_last_mouse_event_target_ == instance)
1183     pepper_last_mouse_event_target_ = NULL;
1184   if (focused_pepper_plugin_ == instance)
1185     PepperFocusChanged(instance, false);
1186 }
1187
1188 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1189                                         bool focused) {
1190   if (focused)
1191     focused_pepper_plugin_ = instance;
1192   else if (focused_pepper_plugin_ == instance)
1193     focused_pepper_plugin_ = NULL;
1194
1195   UpdateTextInputType();
1196   UpdateSelectionBounds();
1197 }
1198
1199 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1200   plugin_delegates_.insert(delegate);
1201   // If the renderer is visible, set initial visibility and focus state.
1202   if (!is_hidden()) {
1203 #if defined(OS_MACOSX)
1204     delegate->SetContainerVisibility(true);
1205     if (webview() && webview()->isActive())
1206       delegate->SetWindowFocus(true);
1207 #endif
1208   }
1209   // Plugins start assuming the content has focus (so that they work in
1210   // environments where RenderView isn't hosting them), so we always have to
1211   // set the initial state. See webplugin_delegate_impl.h for details.
1212   delegate->SetContentAreaFocus(has_focus());
1213 }
1214
1215 void RenderViewImpl::UnregisterPluginDelegate(
1216     WebPluginDelegateProxy* delegate) {
1217   plugin_delegates_.erase(delegate);
1218 }
1219
1220 #if defined(OS_WIN)
1221 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1222   if (focused)
1223     focused_plugin_id_ = plugin_id;
1224   else
1225     focused_plugin_id_ = -1;
1226 }
1227 #endif
1228
1229 #if defined(OS_MACOSX)
1230 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1231   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1232 }
1233
1234 void RenderViewImpl::OnGetRenderedText() {
1235   if (!webview())
1236     return;
1237   // Get rendered text from WebLocalFrame.
1238   // TODO: Currently IPC truncates any data that has a
1239   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1240   // send back using multiple IPC. See http://crbug.com/393444.
1241   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1242   std::string text = webview()->mainFrame()->contentAsText(
1243       kMaximumMessageSize).utf8();
1244
1245   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1246 }
1247
1248 void RenderViewImpl::StartPluginIme() {
1249   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1250   // This message can be sent during event-handling, and needs to be delivered
1251   // within that context.
1252   msg->set_unblock(true);
1253   Send(msg);
1254 }
1255 #endif  // defined(OS_MACOSX)
1256
1257 #endif  // ENABLE_PLUGINS
1258
1259 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1260     const blink::WebActiveWheelFlingParameters& params) {
1261   if (webview())
1262     webview()->transferActiveWheelFlingAnimation(params);
1263 }
1264
1265 bool RenderViewImpl::HasIMETextFocus() {
1266   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1267 }
1268
1269 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1270   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1271   if (main_frame && main_frame->isWebLocalFrame())
1272     GetContentClient()->SetActiveURL(main_frame->document().url());
1273
1274   ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1275   RenderViewObserver* observer;
1276   while ((observer = it.GetNext()) != NULL)
1277     if (observer->OnMessageReceived(message))
1278       return true;
1279
1280   bool handled = true;
1281   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1282     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1283     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1284     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1285                         OnScrollFocusedEditableNodeIntoRect)
1286     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1287                         OnSetEditCommandsForNextKeyEvent)
1288     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1289     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1290     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1291     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1292     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1293     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1294     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1295                         OnSetZoomLevelForLoadingURL)
1296     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1297                         OnSetZoomLevelForView)
1298     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1299     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1300                         OnResetPageEncodingToDefault)
1301     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1302     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1303     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1304     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1305     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1306     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1307                         OnDragSourceSystemDragEnded)
1308     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1309     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1310     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1311     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1312     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1313                         OnEnumerateDirectoryResponse)
1314     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1315     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1316                         OnSuppressDialogsUntilSwapOut)
1317     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1318     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1319     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1320     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1321     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1322     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1323                         OnEnablePreferredSizeChangedMode)
1324     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1325     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1326     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1327                         OnDisableScrollbarsForSmallWindows)
1328     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1329     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1330     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1331     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1332     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1333                         OnGetAllSavableResourceLinksForCurrentPage)
1334     IPC_MESSAGE_HANDLER(
1335         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1336         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1337     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1338     // TODO(viettrungluu): Move to a separate message filter.
1339     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1340                         OnSetHistoryOffsetAndLength)
1341     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1342     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1343                         OnReleaseDisambiguationPopupBitmap)
1344     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1345     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1346 #if defined(OS_ANDROID)
1347     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1348                         OnActivateNearestFindResult)
1349     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1350     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1351                         OnUpdateTopControlsState)
1352     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1353 #elif defined(OS_MACOSX)
1354     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1355                         OnGetRenderedText)
1356     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1357                         OnPluginImeCompositionCompleted)
1358     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1359     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1360     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1361 #endif
1362     // Adding a new message? Add platform independent ones first, then put the
1363     // platform specific ones at the end.
1364
1365     // Have the super handle all other messages.
1366     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1367   IPC_END_MESSAGE_MAP()
1368
1369   return handled;
1370 }
1371
1372 void RenderViewImpl::OnSelectWordAroundCaret() {
1373   if (!webview())
1374     return;
1375
1376   handling_input_event_ = true;
1377   webview()->focusedFrame()->selectWordAroundCaret();
1378   handling_input_event_ = false;
1379 }
1380
1381 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1382   webview()->copyImageAt(WebPoint(x, y));
1383 }
1384
1385 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1386   webview()->saveImageAt(WebPoint(x, y));
1387 }
1388
1389 void RenderViewImpl::OnUpdateTargetURLAck() {
1390   // Check if there is a targeturl waiting to be sent.
1391   if (target_url_status_ == TARGET_PENDING)
1392     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1393
1394   target_url_status_ = TARGET_NONE;
1395 }
1396
1397 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1398     const std::string& value) {
1399   if (!webview() || !webview()->focusedFrame())
1400     return;
1401
1402   webview()->focusedFrame()->executeCommand(
1403       WebString::fromUTF8(name), WebString::fromUTF8(value));
1404 }
1405
1406 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1407   if (!webview())
1408     return;
1409
1410   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1411
1412   webview()->focusedFrame()->moveCaretSelection(point);
1413 }
1414
1415 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1416     const gfx::Rect& rect) {
1417   if (has_scrolled_focused_editable_node_into_rect_ &&
1418       rect == rect_for_scrolled_focused_editable_node_) {
1419     FocusChangeComplete();
1420     return;
1421   }
1422
1423   blink::WebElement element = GetFocusedElement();
1424   bool will_animate = false;
1425   if (!element.isNull() && IsEditableNode(element)) {
1426     rect_for_scrolled_focused_editable_node_ = rect;
1427     has_scrolled_focused_editable_node_into_rect_ = true;
1428     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1429   }
1430
1431   if (!will_animate)
1432     FocusChangeComplete();
1433 }
1434
1435 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1436     const EditCommands& edit_commands) {
1437   edit_commands_ = edit_commands;
1438 }
1439
1440 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1441                                                  int history_length) {
1442   DCHECK_GE(history_offset, -1);
1443   DCHECK_GE(history_length, 0);
1444
1445   history_list_offset_ = history_offset;
1446   history_list_length_ = history_length;
1447 }
1448
1449 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1450   if (!webview())
1451     return;
1452   webview()->setInitialFocus(reverse);
1453 }
1454
1455 #if defined(OS_MACOSX)
1456 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1457   if (!webview())
1458     return;
1459   if (in_live_resize)
1460     webview()->willStartLiveResize();
1461   else
1462     webview()->willEndLiveResize();
1463 }
1464 #endif
1465
1466 ///////////////////////////////////////////////////////////////////////////////
1467
1468 // Sends the current history state to the browser so it will be saved before we
1469 // navigate to a new page.
1470 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
1471   // If we have a valid page ID at this point, then it corresponds to the page
1472   // we are navigating away from.  Otherwise, this is the first navigation, so
1473   // there is no past session history to record.
1474   if (page_id_ == -1)
1475     return;
1476   SendUpdateState(history_controller_->GetCurrentEntry());
1477 }
1478
1479 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) {
1480   if (!entry)
1481     return;
1482
1483   // Don't send state updates for kSwappedOutURL.
1484   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1485     return;
1486
1487   Send(new ViewHostMsg_UpdateState(
1488       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1489 }
1490
1491 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1492   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1493   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1494   // it is particularly important that we do not call willEnterModalLoop as
1495   // that would defer resource loads for the dialog itself.
1496   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1497     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1498
1499   message->EnableMessagePumping();  // Runs a nested message loop.
1500   return Send(message);
1501 }
1502
1503 void RenderViewImpl::OnForceRedraw(int id) {
1504   ui::LatencyInfo latency_info;
1505   if (id) {
1506     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1507                                   0,
1508                                   id);
1509   }
1510   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1511   if (RenderWidgetCompositor* rwc = compositor()) {
1512     latency_info_swap_promise_monitor =
1513         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1514   }
1515   ScheduleCompositeWithForcedRedraw();
1516 }
1517
1518 // blink::WebViewClient ------------------------------------------------------
1519
1520 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1521                                     const WebURLRequest& request,
1522                                     const WebWindowFeatures& features,
1523                                     const WebString& frame_name,
1524                                     WebNavigationPolicy policy,
1525                                     bool suppress_opener) {
1526   ViewHostMsg_CreateWindow_Params params;
1527   params.opener_id = routing_id_;
1528   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1529   if (GetContentClient()->renderer()->AllowPopup())
1530     params.user_gesture = true;
1531   params.window_container_type = WindowFeaturesToContainerType(features);
1532   params.session_storage_namespace_id = session_storage_namespace_id_;
1533   if (frame_name != "_blank")
1534     params.frame_name = frame_name;
1535   params.opener_render_frame_id =
1536       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1537   params.opener_url = creator->document().url();
1538   params.opener_top_level_frame_url = creator->top()->document().url();
1539   GURL security_url(creator->document().securityOrigin().toString());
1540   if (!security_url.is_valid())
1541     security_url = GURL();
1542   params.opener_security_origin = security_url;
1543   params.opener_suppressed = suppress_opener;
1544   params.disposition = NavigationPolicyToDisposition(policy);
1545   if (!request.isNull()) {
1546     params.target_url = request.url();
1547     params.referrer = GetReferrerFromRequest(creator, request);
1548   }
1549   params.features = features;
1550
1551   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1552     params.additional_features.push_back(features.additionalFeatures[i]);
1553
1554   int32 routing_id = MSG_ROUTING_NONE;
1555   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1556   int32 surface_id = 0;
1557   int64 cloned_session_storage_namespace_id = 0;
1558
1559   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1560       params, &routing_id, &main_frame_routing_id, &surface_id,
1561       &cloned_session_storage_namespace_id));
1562   if (routing_id == MSG_ROUTING_NONE)
1563     return NULL;
1564
1565   WebUserGestureIndicator::consumeUserGesture();
1566
1567   // While this view may be a background extension page, it can spawn a visible
1568   // render view. So we just assume that the new one is not another background
1569   // page instead of passing on our own value.
1570   // TODO(vangelis): Can we tell if the new view will be a background page?
1571   bool never_visible = false;
1572
1573   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1574   initial_size.screen_info = screen_info_;
1575
1576   // The initial hidden state for the RenderViewImpl here has to match what the
1577   // browser will eventually decide for the given disposition. Since we have to
1578   // return from this call synchronously, we just have to make our best guess
1579   // and rely on the browser sending a WasHidden / WasShown message if it
1580   // disagrees.
1581   ViewMsg_New_Params view_params;
1582   view_params.opener_route_id = routing_id_;
1583   view_params.window_was_created_with_opener = true;
1584   view_params.renderer_preferences = renderer_preferences_;
1585   view_params.web_preferences = webkit_preferences_;
1586   view_params.view_id = routing_id;
1587   view_params.main_frame_routing_id = main_frame_routing_id;
1588   view_params.surface_id = surface_id;
1589   view_params.session_storage_namespace_id =
1590       cloned_session_storage_namespace_id;
1591   // WebCore will take care of setting the correct name.
1592   view_params.frame_name = base::string16();
1593   view_params.swapped_out = false;
1594   view_params.replicated_frame_state = FrameReplicationState();
1595   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1596   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1597   view_params.never_visible = never_visible;
1598   view_params.next_page_id = 1;
1599   view_params.initial_size = initial_size;
1600   view_params.enable_auto_resize = false;
1601   view_params.min_size = gfx::Size();
1602   view_params.max_size = gfx::Size();
1603
1604   RenderViewImpl* view =
1605       RenderViewImpl::Create(view_params, compositor_deps_, true);
1606   view->opened_by_user_gesture_ = params.user_gesture;
1607
1608   // Record whether the creator frame is trying to suppress the opener field.
1609   view->opener_suppressed_ = params.opener_suppressed;
1610
1611   return view->webview();
1612 }
1613
1614 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1615   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1616                                               popup_type, screen_info_);
1617   if (!widget)
1618     return NULL;
1619   if (screen_metrics_emulator_) {
1620     widget->SetPopupOriginAdjustmentsForEmulation(
1621         screen_metrics_emulator_.get());
1622   }
1623   return widget->webwidget();
1624 }
1625
1626 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1627   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1628   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1629 }
1630
1631 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1632   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1633                     PrintPage(frame, handling_input_event_));
1634 }
1635
1636 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1637   // Note: We should basically send GURL but we use size-limited string instead
1638   // in order to send a larger data url to save a image for <canvas> or <img>.
1639   if (data_url.length() < kMaxLengthOfDataURLString)
1640     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1641 }
1642
1643 bool RenderViewImpl::enumerateChosenDirectory(
1644     const WebString& path,
1645     WebFileChooserCompletion* chooser_completion) {
1646   int id = enumeration_completion_id_++;
1647   enumeration_completions_[id] = chooser_completion;
1648   return Send(new ViewHostMsg_EnumerateDirectory(
1649       routing_id_,
1650       id,
1651       base::FilePath::FromUTF16Unsafe(path)));
1652 }
1653
1654 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1655   DCHECK_GE(frames_in_progress_, 0);
1656   if (frames_in_progress_ == 0)
1657     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1658   frames_in_progress_++;
1659 }
1660
1661 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1662   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1663   // calls DidStopLoading() without a matching DidStartLoading().
1664   if (frames_in_progress_ == 0)
1665     return;
1666   frames_in_progress_--;
1667   if (frames_in_progress_ == 0) {
1668     DidStopLoadingIcons();
1669     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1670   }
1671 }
1672
1673 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1674   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1675 }
1676
1677 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1678   if (edit_commands_.empty())
1679     return false;
1680
1681   WebFrame* frame = webview()->focusedFrame();
1682   if (!frame)
1683     return false;
1684
1685   EditCommands::iterator it = edit_commands_.begin();
1686   EditCommands::iterator end = edit_commands_.end();
1687
1688   bool did_execute_command = false;
1689   for (; it != end; ++it) {
1690     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1691     // key (but it's the exception). Once one edit command is not executed, it
1692     // seems safest to not execute the rest.
1693     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1694                                WebString::fromUTF8(it->value),
1695                                GetFocusedElement()))
1696       break;
1697     did_execute_command = true;
1698   }
1699
1700   return did_execute_command;
1701 }
1702
1703 bool RenderViewImpl::runFileChooser(
1704     const blink::WebFileChooserParams& params,
1705     WebFileChooserCompletion* chooser_completion) {
1706   // Do not open the file dialog in a hidden RenderView.
1707   if (is_hidden())
1708     return false;
1709   FileChooserParams ipc_params;
1710   if (params.directory)
1711     ipc_params.mode = FileChooserParams::UploadFolder;
1712   else if (params.multiSelect)
1713     ipc_params.mode = FileChooserParams::OpenMultiple;
1714   else if (params.saveAs)
1715     ipc_params.mode = FileChooserParams::Save;
1716   else
1717     ipc_params.mode = FileChooserParams::Open;
1718   ipc_params.title = params.title;
1719   ipc_params.default_file_name =
1720       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1721   ipc_params.accept_types.reserve(params.acceptTypes.size());
1722   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1723     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1724   ipc_params.need_local_path = params.needLocalPath;
1725 #if defined(OS_ANDROID)
1726   ipc_params.capture = params.useMediaCapture;
1727 #endif
1728
1729   return ScheduleFileChooser(ipc_params, chooser_completion);
1730 }
1731
1732 void RenderViewImpl::SetValidationMessageDirection(
1733     base::string16* wrapped_main_text,
1734     blink::WebTextDirection main_text_hint,
1735     base::string16* wrapped_sub_text,
1736     blink::WebTextDirection sub_text_hint) {
1737   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1738     *wrapped_main_text =
1739         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1740   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1741              !base::i18n::IsRTL()) {
1742     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1743   }
1744
1745   if (!wrapped_sub_text->empty()) {
1746     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1747       *wrapped_sub_text =
1748           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1749     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1750       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1751     }
1752   }
1753 }
1754
1755 void RenderViewImpl::showValidationMessage(
1756     const blink::WebRect& anchor_in_root_view,
1757     const blink::WebString& main_text,
1758     blink::WebTextDirection main_text_hint,
1759     const blink::WebString& sub_text,
1760     blink::WebTextDirection sub_text_hint) {
1761   base::string16 wrapped_main_text = main_text;
1762   base::string16 wrapped_sub_text = sub_text;
1763
1764   SetValidationMessageDirection(
1765       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1766
1767   Send(new ViewHostMsg_ShowValidationMessage(
1768       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1769       wrapped_main_text, wrapped_sub_text));
1770 }
1771
1772 void RenderViewImpl::hideValidationMessage() {
1773   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1774 }
1775
1776 void RenderViewImpl::moveValidationMessage(
1777     const blink::WebRect& anchor_in_root_view) {
1778   Send(new ViewHostMsg_MoveValidationMessage(
1779       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1780 }
1781
1782 void RenderViewImpl::setStatusText(const WebString& text) {
1783 }
1784
1785 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1786                                      const GURL& fallback_url) {
1787   GURL latest_url = url.is_empty() ? fallback_url : url;
1788   if (latest_url == target_url_)
1789     return;
1790
1791   // Tell the browser to display a destination link.
1792   if (target_url_status_ == TARGET_INFLIGHT ||
1793       target_url_status_ == TARGET_PENDING) {
1794     // If we have a request in-flight, save the URL to be sent when we
1795     // receive an ACK to the in-flight request. We can happily overwrite
1796     // any existing pending sends.
1797     pending_target_url_ = latest_url;
1798     target_url_status_ = TARGET_PENDING;
1799   } else {
1800     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1801     // see |ParamTraits<GURL>|.
1802     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1803       latest_url = GURL();
1804     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1805     target_url_ = latest_url;
1806     target_url_status_ = TARGET_INFLIGHT;
1807   }
1808 }
1809
1810 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1811     const gfx::RectF& rect) const {
1812   gfx::RectF window_rect = rect;
1813   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1814   return window_rect;
1815 }
1816
1817 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1818   // No need to update state if no page has committed yet.
1819   if (page_id_ == -1)
1820     return;
1821
1822   int delay;
1823   if (send_content_state_immediately_)
1824     delay = 0;
1825   else if (is_hidden())
1826     delay = kDelaySecondsForContentStateSyncHidden;
1827   else
1828     delay = kDelaySecondsForContentStateSync;
1829
1830   if (nav_state_sync_timer_.IsRunning()) {
1831     // The timer is already running. If the delay of the timer maches the amount
1832     // we want to delay by, then return. Otherwise stop the timer so that it
1833     // gets started with the right delay.
1834     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1835       return;
1836     nav_state_sync_timer_.Stop();
1837   }
1838
1839   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1840                               &RenderViewImpl::SyncNavigationState);
1841 }
1842
1843 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1844   mouse_over_url_ = GURL(url);
1845   UpdateTargetURL(mouse_over_url_, focus_url_);
1846 }
1847
1848 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1849   focus_url_ = GURL(url);
1850   UpdateTargetURL(focus_url_, mouse_over_url_);
1851 }
1852
1853 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1854                                    const WebDragData& data,
1855                                    WebDragOperationsMask mask,
1856                                    const WebImage& image,
1857                                    const WebPoint& webImageOffset) {
1858   DropData drop_data(DropDataBuilder::Build(data));
1859   drop_data.referrer_policy = frame->document().referrerPolicy();
1860   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1861   Send(new DragHostMsg_StartDragging(routing_id_,
1862                                      drop_data,
1863                                      mask,
1864                                      image.getSkBitmap(),
1865                                      imageOffset,
1866                                      possible_drag_event_info_));
1867 }
1868
1869 bool RenderViewImpl::acceptsLoadDrops() {
1870   return renderer_preferences_.can_accept_load_drops;
1871 }
1872
1873 void RenderViewImpl::focusNext() {
1874   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1875 }
1876
1877 void RenderViewImpl::focusPrevious() {
1878   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1879 }
1880
1881 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1882                                         const WebNode& toNode) {
1883   has_scrolled_focused_editable_node_into_rect_ = false;
1884
1885   gfx::Rect node_bounds;
1886   if (!toNode.isNull() && toNode.isElementNode()) {
1887     WebNode web_node = const_cast<WebNode&>(toNode);
1888     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1889   }
1890   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1891                                           node_bounds));
1892
1893   // TODO(estade): remove.
1894   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1895
1896   RenderFrameImpl* previous_frame = nullptr;
1897   if (!fromNode.isNull())
1898     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1899   RenderFrameImpl* new_frame = nullptr;
1900   if (!toNode.isNull())
1901     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1902
1903   if (previous_frame && previous_frame != new_frame)
1904     previous_frame->FocusedNodeChanged(WebNode());
1905   if (new_frame)
1906     new_frame->FocusedNodeChanged(toNode);
1907
1908   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1909   GetMainRenderFrame()->FocusedNodeChangedForAccessibility(toNode);
1910 }
1911
1912 void RenderViewImpl::didUpdateLayout() {
1913   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1914
1915   // We don't always want to set up a timer, only if we've been put in that
1916   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1917   // message.
1918   if (!send_preferred_size_changes_ || !webview())
1919     return;
1920
1921   if (check_preferred_size_timer_.IsRunning())
1922     return;
1923   check_preferred_size_timer_.Start(FROM_HERE,
1924                                     TimeDelta::FromMilliseconds(0), this,
1925                                     &RenderViewImpl::CheckPreferredSize);
1926 }
1927
1928 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1929   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1930 }
1931
1932 int RenderViewImpl::historyBackListCount() {
1933   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1934 }
1935
1936 int RenderViewImpl::historyForwardListCount() {
1937   return history_list_length_ - historyBackListCount() - 1;
1938 }
1939
1940 // blink::WebWidgetClient ----------------------------------------------------
1941
1942 void RenderViewImpl::didFocus() {
1943   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1944   //                 we won't have to test for user gesture anymore and we can
1945   //                 move that code back to render_widget.cc
1946   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1947       !RenderThreadImpl::current()->layout_test_mode()) {
1948     Send(new ViewHostMsg_Focus(routing_id_));
1949   }
1950 }
1951
1952 void RenderViewImpl::didBlur() {
1953   // TODO(jcivelli): see TODO above in didFocus().
1954   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1955       !RenderThreadImpl::current()->layout_test_mode()) {
1956     Send(new ViewHostMsg_Blur(routing_id_));
1957   }
1958 }
1959
1960 // We are supposed to get a single call to Show for a newly created RenderView
1961 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
1962 // point to dispatch the ShowView message.
1963 //
1964 // This method provides us with the information about how to display the newly
1965 // created RenderView (i.e., as a blocked popup or as a new tab).
1966 //
1967 void RenderViewImpl::show(WebNavigationPolicy policy) {
1968   if (did_show_) {
1969     // When supports_multiple_windows is disabled, popups are reusing
1970     // the same view. In some scenarios, this makes WebKit to call show() twice.
1971     if (webkit_preferences_.supports_multiple_windows)
1972       NOTREACHED() << "received extraneous Show call";
1973     return;
1974   }
1975   did_show_ = true;
1976
1977   DCHECK(opener_id_ != MSG_ROUTING_NONE);
1978
1979   // NOTE: initial_rect_ may still have its default values at this point, but
1980   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
1981   // browser process will impose a default position otherwise.
1982   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
1983       NavigationPolicyToDisposition(policy), initial_rect_,
1984       opened_by_user_gesture_));
1985   SetPendingWindowRect(initial_rect_);
1986 }
1987
1988 bool RenderViewImpl::requestPointerLock() {
1989   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
1990 }
1991
1992 void RenderViewImpl::requestPointerUnlock() {
1993   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
1994 }
1995
1996 bool RenderViewImpl::isPointerLocked() {
1997   return mouse_lock_dispatcher_->IsMouseLockedTo(
1998       webwidget_mouse_lock_target_.get());
1999 }
2000
2001 void RenderViewImpl::didHandleGestureEvent(
2002     const WebGestureEvent& event,
2003     bool event_cancelled) {
2004   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2005
2006   if (!event_cancelled) {
2007     FOR_EACH_OBSERVER(
2008         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2009   }
2010
2011   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2012   // crbug/420130.
2013 #if defined(OS_WIN)
2014   if (event.type != blink::WebGestureEvent::GestureTap)
2015     return;
2016
2017   // TODO(estade): hit test the event against focused node to make sure
2018   // the tap actually hit the focused node.
2019   blink::WebTextInputType text_input_type =
2020       GetWebView()->textInputInfo().type;
2021
2022   Send(new ViewHostMsg_FocusedNodeTouched(
2023       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2024 #endif
2025 }
2026
2027 void RenderViewImpl::initializeLayerTreeView() {
2028   RenderWidget::initializeLayerTreeView();
2029   RenderWidgetCompositor* rwc = compositor();
2030   if (!rwc)
2031     return;
2032   // TODO(dgozman): do this not for main frame, but for local frame roots.
2033   if (blink::WebDevToolsAgent* devToolsAgent = GetWebDevToolsAgent(webview()))
2034     devToolsAgent->setLayerTreeId(rwc->GetLayerTreeId());
2035
2036   bool use_threaded_event_handling = true;
2037 #if defined(OS_MACOSX) && !defined(OS_IOS)
2038   // Disable threaded event handling if content is not handling the elastic
2039   // overscroll effect. This includes the cases where the elastic overscroll
2040   // effect is being handled by Blink (because of command line flags) and older
2041   // operating system versions which do not have an elastic overscroll effect
2042   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2043   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2044 #endif
2045   if (use_threaded_event_handling) {
2046     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2047     // render_thread may be NULL in tests.
2048     InputHandlerManager* input_handler_manager =
2049         render_thread ? render_thread->input_handler_manager() : NULL;
2050     if (input_handler_manager) {
2051       input_handler_manager->AddInputHandler(
2052           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2053     }
2054   }
2055 }
2056
2057 // blink::WebFrameClient -----------------------------------------------------
2058
2059 void RenderViewImpl::Repaint(const gfx::Size& size) {
2060   OnRepaint(size);
2061 }
2062
2063 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2064                                                    const std::string& value) {
2065   EditCommands edit_commands;
2066   edit_commands.push_back(EditCommand(name, value));
2067   OnSetEditCommandsForNextKeyEvent(edit_commands);
2068 }
2069
2070 void RenderViewImpl::ClearEditCommands() {
2071   edit_commands_.clear();
2072 }
2073
2074 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2075   std::string security_info;
2076   if (frame && frame->dataSource())
2077     security_info = frame->dataSource()->response().securityInfo();
2078
2079   SSLStatus ssl_status;
2080   DeserializeSecurityInfo(security_info,
2081                           &ssl_status.cert_id,
2082                           &ssl_status.cert_status,
2083                           &ssl_status.security_bits,
2084                           &ssl_status.connection_status,
2085                           &ssl_status.signed_certificate_timestamp_ids);
2086   return ssl_status;
2087 }
2088
2089 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2090   return renderer_preferences_.accept_languages;
2091 }
2092
2093 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2094                                    WebIconURL::Type icon_type) {
2095   if (frame->parent())
2096     return;
2097
2098   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2099   std::vector<FaviconURL> urls;
2100   for (size_t i = 0; i < icon_urls.size(); i++) {
2101     std::vector<gfx::Size> sizes;
2102     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2103     urls.push_back(FaviconURL(
2104         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2105   }
2106   SendUpdateFaviconURL(urls);
2107 }
2108
2109 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2110   StartNavStateSyncTimerIfNecessary();
2111 }
2112
2113 void RenderViewImpl::CheckPreferredSize() {
2114   // We don't always want to send the change messages over IPC, only if we've
2115   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2116   // message.
2117   if (!send_preferred_size_changes_ || !webview())
2118     return;
2119
2120   gfx::Size size = webview()->contentsPreferredMinimumSize();
2121   if (size == preferred_size_)
2122     return;
2123
2124   preferred_size_ = size;
2125   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2126                                                       preferred_size_));
2127 }
2128
2129 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2130   StartNavStateSyncTimerIfNecessary();
2131 }
2132
2133 void RenderViewImpl::SendFindReply(int request_id,
2134                                    int match_count,
2135                                    int ordinal,
2136                                    const WebRect& selection_rect,
2137                                    bool final_status_update) {
2138   Send(new ViewHostMsg_Find_Reply(routing_id_,
2139                                   request_id,
2140                                   match_count,
2141                                   selection_rect,
2142                                   ordinal,
2143                                   final_status_update));
2144 }
2145
2146 blink::WebString RenderViewImpl::acceptLanguages() {
2147   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2148 }
2149
2150 // blink::WebPageSerializerClient implementation ------------------------------
2151
2152 void RenderViewImpl::didSerializeDataForFrame(
2153     const WebURL& frame_url,
2154     const WebCString& data,
2155     WebPageSerializerClient::PageSerializationStatus status) {
2156   Send(new ViewHostMsg_SendSerializedHtmlData(
2157     routing_id(),
2158     frame_url,
2159     data.data(),
2160     static_cast<int32>(status)));
2161 }
2162
2163 // RenderView implementation ---------------------------------------------------
2164
2165 bool RenderViewImpl::Send(IPC::Message* message) {
2166   return RenderWidget::Send(message);
2167 }
2168
2169 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2170   return main_render_frame_.get();
2171 }
2172
2173 int RenderViewImpl::GetRoutingID() const {
2174   return routing_id_;
2175 }
2176
2177 gfx::Size RenderViewImpl::GetSize() const {
2178   return size();
2179 }
2180
2181 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2182   return webkit_preferences_;
2183 }
2184
2185 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2186   OnUpdateWebPreferences(preferences);
2187 }
2188
2189 blink::WebView* RenderViewImpl::GetWebView() {
2190   return webview();
2191 }
2192
2193 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2194   if (node.isNull())
2195     return false;
2196
2197   if (node.isContentEditable())
2198     return true;
2199
2200   if (node.isElementNode()) {
2201     const WebElement& element = node.toConst<WebElement>();
2202     if (element.isTextFormControlElement()) {
2203       if (!(element.hasAttribute("readonly") ||
2204             element.hasAttribute("disabled")))
2205         return true;
2206     }
2207
2208     // Also return true if it has an ARIA role of 'textbox'.
2209     for (unsigned i = 0; i < element.attributeCount(); ++i) {
2210       if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
2211         if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
2212           return true;
2213         break;
2214       }
2215     }
2216   }
2217
2218   return false;
2219 }
2220
2221 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2222   return (!send_preferred_size_changes_ ||
2223           (disable_scrollbars_size_limit_.width() <= width ||
2224            disable_scrollbars_size_limit_.height() <= height));
2225 }
2226
2227 int RenderViewImpl::GetEnabledBindings() const {
2228   return enabled_bindings_;
2229 }
2230
2231 bool RenderViewImpl::GetContentStateImmediately() const {
2232   return send_content_state_immediately_;
2233 }
2234
2235 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2236   return visibilityState();
2237 }
2238
2239 void RenderViewImpl::DidStartLoading() {
2240   main_render_frame_->didStartLoading(true);
2241 }
2242
2243 void RenderViewImpl::DidStopLoading() {
2244   main_render_frame_->didStopLoading();
2245 }
2246
2247 void RenderViewImpl::SyncNavigationState() {
2248   if (!webview())
2249     return;
2250   SendUpdateState(history_controller_->GetCurrentEntry());
2251 }
2252
2253 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2254   if (!webview())
2255     return WebElement();
2256   WebFrame* focused_frame = webview()->focusedFrame();
2257   if (focused_frame) {
2258     WebDocument doc = focused_frame->document();
2259     if (!doc.isNull())
2260       return doc.focusedElement();
2261   }
2262
2263   return WebElement();
2264 }
2265
2266 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2267   if (!webview())
2268     return NULL;
2269
2270   WebFrame* main_frame = webview()->mainFrame();
2271   if (main_frame->isWebLocalFrame() &&
2272       main_frame->document().isPluginDocument())
2273     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2274
2275 #if defined(ENABLE_PLUGINS)
2276   if (plugin_find_handler_)
2277     return plugin_find_handler_->container()->plugin();
2278 #endif
2279
2280   return NULL;
2281 }
2282
2283 void RenderViewImpl::OnFind(int request_id,
2284                             const base::string16& search_text,
2285                             const WebFindOptions& options) {
2286   WebFrame* main_frame = webview()->mainFrame();
2287   blink::WebPlugin* plugin = GetWebPluginForFind();
2288   // Check if the plugin still exists in the document.
2289   if (plugin) {
2290     if (options.findNext) {
2291       // Just navigate back/forward.
2292       plugin->selectFindResult(options.forward);
2293     } else {
2294       if (!plugin->startFind(
2295           search_text, options.matchCase, request_id)) {
2296         // Send "no results".
2297         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2298       }
2299     }
2300     return;
2301   }
2302
2303   WebFrame* frame_after_main = main_frame->traverseNext(true);
2304   WebFrame* focused_frame = webview()->focusedFrame();
2305   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2306
2307   bool multi_frame = (frame_after_main != main_frame);
2308
2309   // If we have multiple frames, we don't want to wrap the search within the
2310   // frame, so we check here if we only have main_frame in the chain.
2311   bool wrap_within_frame = !multi_frame;
2312
2313   WebRect selection_rect;
2314   bool result = false;
2315
2316   // If something is selected when we start searching it means we cannot just
2317   // increment the current match ordinal; we need to re-generate it.
2318   WebRange current_selection = focused_frame->selectionRange();
2319
2320   do {
2321     result = search_frame->find(
2322         request_id, search_text, options, wrap_within_frame, &selection_rect);
2323
2324     if (!result) {
2325       // don't leave text selected as you move to the next frame.
2326       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2327                                    GetFocusedElement());
2328
2329       // Find the next frame, but skip the invisible ones.
2330       do {
2331         // What is the next frame to search? (we might be going backwards). Note
2332         // that we specify wrap=true so that search_frame never becomes NULL.
2333         search_frame = options.forward ?
2334             search_frame->traverseNext(true) :
2335             search_frame->traversePrevious(true);
2336       } while (!search_frame->hasVisibleContent() &&
2337                search_frame != focused_frame);
2338
2339       // Make sure selection doesn't affect the search operation in new frame.
2340       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2341                                    GetFocusedElement());
2342
2343       // If we have multiple frames and we have wrapped back around to the
2344       // focused frame, we need to search it once more allowing wrap within
2345       // the frame, otherwise it will report 'no match' if the focused frame has
2346       // reported matches, but no frames after the focused_frame contain a
2347       // match for the search word(s).
2348       if (multi_frame && search_frame == focused_frame) {
2349         result = search_frame->find(
2350             request_id, search_text, options, true,  // Force wrapping.
2351             &selection_rect);
2352       }
2353     }
2354
2355     webview()->setFocusedFrame(search_frame);
2356   } while (!result && search_frame != focused_frame);
2357
2358   if (options.findNext && current_selection.isNull()) {
2359     // Force the main_frame to report the actual count.
2360     main_frame->increaseMatchCount(0, request_id);
2361   } else {
2362     // If nothing is found, set result to "0 of 0", otherwise, set it to
2363     // "-1 of 1" to indicate that we found at least one item, but we don't know
2364     // yet what is active.
2365     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2366     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2367
2368     // If we find no matches then this will be our last status update.
2369     // Otherwise the scoping effort will send more results.
2370     bool final_status_update = !result;
2371
2372     SendFindReply(request_id, match_count, ordinal, selection_rect,
2373                   final_status_update);
2374
2375     // Scoping effort begins, starting with the mainframe.
2376     search_frame = main_frame;
2377
2378     main_frame->resetMatchCount();
2379
2380     do {
2381       // Cancel all old scoping requests before starting a new one.
2382       search_frame->cancelPendingScopingEffort();
2383
2384       // We don't start another scoping effort unless at least one match has
2385       // been found.
2386       if (result) {
2387         // Start new scoping request. If the scoping function determines that it
2388         // needs to scope, it will defer until later.
2389         search_frame->scopeStringMatches(request_id,
2390                                          search_text,
2391                                          options,
2392                                          true);  // reset the tickmarks
2393       }
2394
2395       // Iterate to the next frame. The frame will not necessarily scope, for
2396       // example if it is not visible.
2397       search_frame = search_frame->traverseNext(true);
2398     } while (search_frame != main_frame);
2399   }
2400 }
2401
2402 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2403   WebView* view = webview();
2404   if (!view)
2405     return;
2406
2407   blink::WebPlugin* plugin = GetWebPluginForFind();
2408   if (plugin) {
2409     plugin->stopFind();
2410     return;
2411   }
2412
2413   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2414   if (clear_selection) {
2415     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2416                                          GetFocusedElement());
2417   }
2418
2419   WebFrame* frame = view->mainFrame();
2420   while (frame) {
2421     frame->stopFinding(clear_selection);
2422     frame = frame->traverseNext(false);
2423   }
2424
2425   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2426     WebFrame* focused_frame = view->focusedFrame();
2427     if (focused_frame) {
2428       WebDocument doc = focused_frame->document();
2429       if (!doc.isNull()) {
2430         WebElement element = doc.focusedElement();
2431         if (!element.isNull())
2432           element.simulateClick();
2433       }
2434     }
2435   }
2436 }
2437
2438 #if defined(OS_ANDROID)
2439 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2440                                                  float x, float y) {
2441   if (!webview())
2442       return;
2443
2444   WebFrame* main_frame = webview()->mainFrame();
2445   WebRect selection_rect;
2446   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2447                                                    &selection_rect);
2448   if (ordinal == -1) {
2449     // Something went wrong, so send a no-op reply (force the main_frame to
2450     // report the current match count) in case the host is waiting for a
2451     // response due to rate-limiting).
2452     main_frame->increaseMatchCount(0, request_id);
2453     return;
2454   }
2455
2456   SendFindReply(request_id,
2457                 -1 /* number_of_matches */,
2458                 ordinal,
2459                 selection_rect,
2460                 true /* final_update */);
2461 }
2462
2463 void RenderViewImpl::OnFindMatchRects(int current_version) {
2464   if (!webview())
2465       return;
2466
2467   WebFrame* main_frame = webview()->mainFrame();
2468   std::vector<gfx::RectF> match_rects;
2469
2470   int rects_version = main_frame->findMatchMarkersVersion();
2471   if (current_version != rects_version) {
2472     WebVector<WebFloatRect> web_match_rects;
2473     main_frame->findMatchRects(web_match_rects);
2474     match_rects.reserve(web_match_rects.size());
2475     for (size_t i = 0; i < web_match_rects.size(); ++i)
2476       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2477   }
2478
2479   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2480   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2481                                                rects_version,
2482                                                match_rects,
2483                                                active_rect));
2484 }
2485 #endif
2486
2487 void RenderViewImpl::OnResetPageScale() {
2488   if (!webview())
2489     return;
2490   webview()->setPageScaleFactor(1);
2491 }
2492
2493 void RenderViewImpl::OnZoom(PageZoom zoom) {
2494   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2495     return;
2496
2497   webview()->hidePopups();
2498
2499   double old_zoom_level = webview()->zoomLevel();
2500   double zoom_level;
2501   if (zoom == PAGE_ZOOM_RESET) {
2502     zoom_level = 0;
2503   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2504     // Previous zoom level is a whole number, so just increment/decrement.
2505     zoom_level = old_zoom_level + zoom;
2506   } else {
2507     // Either the user hit the zoom factor limit and thus the zoom level is now
2508     // not a whole number, or a plugin changed it to a custom value.  We want
2509     // to go to the next whole number so that the user can always get back to
2510     // 100% with the keyboard/menu.
2511     if ((old_zoom_level > 1 && zoom > 0) ||
2512         (old_zoom_level < 1 && zoom < 0)) {
2513       zoom_level = static_cast<int>(old_zoom_level + zoom);
2514     } else {
2515       // We're going towards 100%, so first go to the next whole number.
2516       zoom_level = static_cast<int>(old_zoom_level);
2517     }
2518   }
2519   webview()->setZoomLevel(zoom_level);
2520   zoomLevelChanged();
2521 }
2522
2523 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2524                                                  double zoom_level) {
2525 #if !defined(OS_ANDROID)
2526   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2527   // for legacy WebView text scaling emulation. Thus, the code that resets
2528   // the zoom level from this map will be effectively resetting text zoom level.
2529   host_zoom_levels_[url] = zoom_level;
2530 #endif
2531 }
2532
2533 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2534                                            double level) {
2535   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2536
2537   webview()->hidePopups();
2538   webview()->setZoomLevel(level);
2539 }
2540
2541 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2542   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2543 }
2544
2545 void RenderViewImpl::OnResetPageEncodingToDefault() {
2546   WebString no_encoding;
2547   webview()->setPageEncoding(no_encoding);
2548 }
2549
2550 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2551   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2552       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2553     // WebUIExtensionData deletes itself when we're destroyed.
2554     new WebUIExtensionData(this);
2555     // WebUIMojo deletes itself when we're destroyed.
2556     new WebUIMojo(this);
2557   }
2558
2559   enabled_bindings_ |= enabled_bindings_flags;
2560
2561   // Keep track of the total bindings accumulated in this process.
2562   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2563 }
2564
2565 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2566                                            const gfx::Point& client_point,
2567                                            const gfx::Point& screen_point,
2568                                            WebDragOperationsMask ops,
2569                                            int key_modifiers) {
2570   WebDragOperation operation = webview()->dragTargetDragEnter(
2571       DropDataToWebDragData(drop_data),
2572       client_point,
2573       screen_point,
2574       ops,
2575       key_modifiers);
2576
2577   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2578 }
2579
2580 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2581                                           const gfx::Point& screen_point,
2582                                           WebDragOperationsMask ops,
2583                                           int key_modifiers) {
2584   WebDragOperation operation = webview()->dragTargetDragOver(
2585       client_point,
2586       screen_point,
2587       ops,
2588       key_modifiers);
2589
2590   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2591 }
2592
2593 void RenderViewImpl::OnDragTargetDragLeave() {
2594   webview()->dragTargetDragLeave();
2595 }
2596
2597 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2598                                       const gfx::Point& screen_point,
2599                                       int key_modifiers) {
2600   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2601
2602   Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
2603 }
2604
2605 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2606                                        const gfx::Point& screen_point,
2607                                        WebDragOperation op) {
2608   webview()->dragSourceEndedAt(client_point, screen_point, op);
2609 }
2610
2611 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2612   webview()->dragSourceSystemDragEnded();
2613 }
2614
2615 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2616   webkit_preferences_ = prefs;
2617   ApplyWebPreferences(webkit_preferences_, webview());
2618 }
2619
2620 void RenderViewImpl::OnEnumerateDirectoryResponse(
2621     int id,
2622     const std::vector<base::FilePath>& paths) {
2623   if (!enumeration_completions_[id])
2624     return;
2625
2626   WebVector<WebString> ws_file_names(paths.size());
2627   for (size_t i = 0; i < paths.size(); ++i)
2628     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2629
2630   enumeration_completions_[id]->didChooseFile(ws_file_names);
2631   enumeration_completions_.erase(id);
2632 }
2633
2634 void RenderViewImpl::OnFileChooserResponse(
2635     const std::vector<content::FileChooserFileInfo>& files) {
2636   // This could happen if we navigated to a different page before the user
2637   // closed the chooser.
2638   if (file_chooser_completions_.empty())
2639     return;
2640
2641   // Convert Chrome's SelectedFileInfo list to WebKit's.
2642   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2643       files.size());
2644   for (size_t i = 0; i < files.size(); ++i) {
2645     WebFileChooserCompletion::SelectedFileInfo selected_file;
2646     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2647     selected_file.displayName =
2648         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2649     if (files[i].file_system_url.is_valid()) {
2650       selected_file.fileSystemURL = files[i].file_system_url;
2651       selected_file.length = files[i].length;
2652       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2653       selected_file.isDirectory = files[i].is_directory;
2654     }
2655     selected_files[i] = selected_file;
2656   }
2657
2658   if (file_chooser_completions_.front()->completion)
2659     file_chooser_completions_.front()->completion->didChooseFile(
2660         selected_files);
2661   file_chooser_completions_.pop_front();
2662
2663   // If there are more pending file chooser requests, schedule one now.
2664   if (!file_chooser_completions_.empty()) {
2665     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2666         file_chooser_completions_.front()->params));
2667   }
2668 }
2669
2670 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2671                                         const gfx::Size& max_size) {
2672   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2673   if (!webview())
2674     return;
2675   auto_resize_mode_ = true;
2676   webview()->enableAutoResizeMode(min_size, max_size);
2677 }
2678
2679 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2680   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2681   if (!webview())
2682     return;
2683   auto_resize_mode_ = false;
2684   webview()->disableAutoResizeMode();
2685
2686   if (!new_size.IsEmpty()) {
2687     Resize(new_size,
2688            physical_backing_size_,
2689            top_controls_shrink_blink_size_,
2690            top_controls_height_,
2691            visible_viewport_size_,
2692            resizer_rect_,
2693            is_fullscreen_granted_,
2694            display_mode_,
2695            NO_RESIZE_ACK);
2696   }
2697 }
2698
2699 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2700   if (send_preferred_size_changes_)
2701     return;
2702   send_preferred_size_changes_ = true;
2703
2704   // Start off with an initial preferred size notification (in case
2705   // |didUpdateLayout| was already called).
2706   didUpdateLayout();
2707 }
2708
2709 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2710     const gfx::Size& disable_scrollbar_size_limit) {
2711   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2712 }
2713
2714 void RenderViewImpl::OnSetRendererPrefs(
2715     const RendererPreferences& renderer_prefs) {
2716   double old_zoom_level = renderer_preferences_.default_zoom_level;
2717   std::string old_accept_languages = renderer_preferences_.accept_languages;
2718
2719   renderer_preferences_ = renderer_prefs;
2720
2721   UpdateFontRenderingFromRendererPrefs();
2722   UpdateThemePrefs();
2723
2724 #if defined(USE_DEFAULT_RENDER_THEME)
2725   if (renderer_prefs.use_custom_colors) {
2726     WebColorName name = blink::WebColorWebkitFocusRingColor;
2727     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2728     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2729
2730     if (webview()) {
2731       webview()->setSelectionColors(
2732           renderer_prefs.active_selection_bg_color,
2733           renderer_prefs.active_selection_fg_color,
2734           renderer_prefs.inactive_selection_bg_color,
2735           renderer_prefs.inactive_selection_fg_color);
2736       webview()->themeChanged();
2737     }
2738   }
2739 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2740
2741   // If the zoom level for this page matches the old zoom default, and this
2742   // is not a plugin, update the zoom level to match the new default.
2743   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2744       !webview()->mainFrame()->document().isPluginDocument() &&
2745       !ZoomValuesEqual(old_zoom_level,
2746                        renderer_preferences_.default_zoom_level) &&
2747       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2748     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
2749     zoomLevelChanged();
2750   }
2751
2752   if (webview() &&
2753       old_accept_languages != renderer_preferences_.accept_languages) {
2754     webview()->acceptLanguagesChanged();
2755   }
2756 }
2757
2758 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2759                                            const WebMediaPlayerAction& action) {
2760   if (webview())
2761     webview()->performMediaPlayerAction(action, location);
2762 }
2763
2764 void RenderViewImpl::OnOrientationChange() {
2765   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2766     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2767 }
2768
2769 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2770                                       const WebPluginAction& action) {
2771   if (webview())
2772     webview()->performPluginAction(action, location);
2773 }
2774
2775 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2776     const GURL& page_url) {
2777   // Prepare list to storage all savable resource links.
2778   std::vector<GURL> resources_list;
2779   std::vector<GURL> referrer_urls_list;
2780   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2781   std::vector<GURL> frames_list;
2782   SavableResourcesResult result(&resources_list,
2783                                 &referrer_urls_list,
2784                                 &referrer_policies_list,
2785                                 &frames_list);
2786
2787   // webkit/ doesn't know about Referrer.
2788   if (!GetAllSavableResourceLinksForCurrentPage(
2789           webview(),
2790           page_url,
2791           &result,
2792           const_cast<const char**>(GetSavableSchemes()))) {
2793     // If something is wrong when collecting all savable resource links,
2794     // send empty list to embedder(browser) to tell it failed.
2795     referrer_urls_list.clear();
2796     referrer_policies_list.clear();
2797     resources_list.clear();
2798     frames_list.clear();
2799   }
2800
2801   std::vector<Referrer> referrers_list;
2802   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2803   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2804     referrers_list.push_back(
2805         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2806   }
2807
2808   // Send result of all savable resource links to embedder.
2809   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2810                                                               resources_list,
2811                                                               referrers_list,
2812                                                               frames_list));
2813 }
2814
2815 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2816     const std::vector<GURL>& links,
2817     const std::vector<base::FilePath>& local_paths,
2818     const base::FilePath& local_directory_name) {
2819
2820   // Convert std::vector of GURLs to WebVector<WebURL>
2821   WebVector<WebURL> weburl_links(links);
2822
2823   // Convert std::vector of base::FilePath to WebVector<WebString>
2824   WebVector<WebString> webstring_paths(local_paths.size());
2825   for (size_t i = 0; i < local_paths.size(); i++)
2826     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2827
2828   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2829                                true,
2830                                this,
2831                                weburl_links,
2832                                webstring_paths,
2833                                local_directory_name.AsUTF16Unsafe());
2834 }
2835
2836 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2837   // Don't show any more dialogs until we finish OnSwapOut.
2838   suppress_dialogs_until_swap_out_ = true;
2839 }
2840
2841 void RenderViewImpl::OnClosePage() {
2842   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2843   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2844   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2845   // in the onunload handler from appearing.  For now, we're bypassing that and
2846   // calling the FrameLoader's CloseURL method directly.  This should be
2847   // revisited to avoid having two ways to close a page.  Having a single way
2848   // to close that can run onunload is also useful for fixing
2849   // http://b/issue?id=753080.
2850   webview()->mainFrame()->dispatchUnloadEvent();
2851
2852   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2853 }
2854
2855 void RenderViewImpl::OnThemeChanged() {
2856 #if defined(USE_AURA)
2857   // Aura doesn't care if we switch themes.
2858 #elif defined(OS_WIN)
2859   ui::NativeThemeWin::instance()->CloseHandles();
2860   if (webview())
2861     webview()->themeChanged();
2862 #else  // defined(OS_WIN)
2863   // TODO(port): we don't support theming on non-Windows platforms yet
2864   NOTIMPLEMENTED();
2865 #endif
2866 }
2867
2868 void RenderViewImpl::OnMoveOrResizeStarted() {
2869   if (webview())
2870     webview()->hidePopups();
2871 }
2872
2873 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2874   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2875   if (webview()) {
2876     webview()->hidePopups();
2877     if (send_preferred_size_changes_) {
2878       webview()->mainFrame()->setCanHaveScrollbars(
2879           ShouldDisplayScrollbars(params.new_size.width(),
2880                                   params.new_size.height()));
2881     }
2882     if (display_mode_ != params.display_mode) {
2883       display_mode_ = params.display_mode;
2884       webview()->setDisplayMode(display_mode_);
2885     }
2886   }
2887
2888   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2889
2890   RenderWidget::OnResize(params);
2891
2892   if (old_visible_viewport_size != visible_viewport_size_)
2893     has_scrolled_focused_editable_node_into_rect_ = false;
2894 }
2895
2896 void RenderViewImpl::DidInitiatePaint() {
2897 #if defined(ENABLE_PLUGINS)
2898   // Notify all instances that we painted.  The same caveats apply as for
2899   // ViewFlushedPaint regarding instances closing themselves, so we take
2900   // similar precautions.
2901   PepperPluginSet plugins = active_pepper_instances_;
2902   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2903     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2904       (*i)->ViewInitiatedPaint();
2905   }
2906 #endif
2907 }
2908
2909 void RenderViewImpl::DidFlushPaint() {
2910   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2911   // See crbug.com/112921.
2912   if (!webview())
2913     return;
2914
2915   WebFrame* main_frame = webview()->mainFrame();
2916   for (WebFrame* frame = main_frame; frame;
2917        frame = frame->traverseNext(false)) {
2918     // TODO(nasko): This is a hack for the case in which the top-level
2919     // frame is being rendered in another process. It will not
2920     // behave correctly for out of process iframes.
2921     if (frame->isWebLocalFrame()) {
2922       main_frame = frame;
2923       break;
2924     }
2925   }
2926
2927   // If we have a provisional frame we are between the start and commit stages
2928   // of loading and we don't want to save stats.
2929   if (!main_frame->provisionalDataSource()) {
2930     WebDataSource* ds = main_frame->dataSource();
2931     DocumentState* document_state = DocumentState::FromDataSource(ds);
2932
2933     // TODO(jar): The following code should all be inside a method, probably in
2934     // NavigatorState.
2935     Time now = Time::Now();
2936     if (document_state->first_paint_time().is_null()) {
2937       document_state->set_first_paint_time(now);
2938     }
2939     if (document_state->first_paint_after_load_time().is_null() &&
2940         !document_state->finish_load_time().is_null()) {
2941       document_state->set_first_paint_after_load_time(now);
2942     }
2943   }
2944 }
2945
2946 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
2947   WebFrame* main_frame = webview()->mainFrame();
2948   for (WebFrame* frame = main_frame; frame;
2949        frame = frame->traverseNext(false)) {
2950     // TODO(nasko): This is a hack for the case in which the top-level
2951     // frame is being rendered in another process. It will not
2952     // behave correctly for out of process iframes.
2953     if (frame->isWebLocalFrame()) {
2954       main_frame = frame;
2955       break;
2956     }
2957   }
2958
2959   WebSize scroll_offset = main_frame->scrollOffset();
2960   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
2961 }
2962
2963 void RenderViewImpl::OnClearFocusedElement() {
2964   if (webview())
2965     webview()->clearFocusedElement();
2966 }
2967
2968 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
2969   if (webview())
2970     webview()->setIsTransparent(!opaque);
2971   if (compositor_)
2972     compositor_->setHasTransparentBackground(!opaque);
2973 }
2974
2975 void RenderViewImpl::OnSetActive(bool active) {
2976   if (webview())
2977     webview()->setIsActive(active);
2978
2979 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
2980   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
2981   for (plugin_it = plugin_delegates_.begin();
2982        plugin_it != plugin_delegates_.end(); ++plugin_it) {
2983     (*plugin_it)->SetWindowFocus(active);
2984   }
2985 #endif
2986 }
2987
2988 #if defined(OS_MACOSX)
2989 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
2990 #if defined(ENABLE_PLUGINS)
2991   // Inform plugins that their container has changed visibility.
2992   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
2993   for (plugin_it = plugin_delegates_.begin();
2994        plugin_it != plugin_delegates_.end(); ++plugin_it) {
2995     (*plugin_it)->SetContainerVisibility(visible);
2996   }
2997 #endif
2998 }
2999
3000 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3001                                           const gfx::Rect& view_frame) {
3002 #if defined(ENABLE_PLUGINS)
3003   // Inform plugins that their window's frame has changed.
3004   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3005   for (plugin_it = plugin_delegates_.begin();
3006        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3007     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3008   }
3009 #endif
3010 }
3011
3012 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3013                                                      int plugin_id) {
3014   // WebPluginDelegateProxy is responsible for figuring out if this event
3015   // applies to it or not, so inform all the delegates.
3016   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3017   for (plugin_it = plugin_delegates_.begin();
3018        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3019     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3020   }
3021 }
3022 #endif  // OS_MACOSX
3023
3024 void RenderViewImpl::OnClose() {
3025   if (closing_)
3026     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3027   RenderWidget::OnClose();
3028 }
3029
3030 void RenderViewImpl::Close() {
3031   // We need to grab a pointer to the doomed WebView before we destroy it.
3032   WebView* doomed = webview();
3033   RenderWidget::Close();
3034   g_view_map.Get().erase(doomed);
3035   g_routing_id_view_map.Get().erase(routing_id_);
3036   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3037 }
3038
3039 void RenderViewImpl::DidHandleKeyEvent() {
3040   ClearEditCommands();
3041 }
3042
3043 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3044   possible_drag_event_info_.event_source =
3045       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3046   possible_drag_event_info_.event_location =
3047       gfx::Point(event.globalX, event.globalY);
3048
3049 #if defined(ENABLE_PLUGINS)
3050   // This method is called for every mouse event that the render view receives.
3051   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3052   // event target. Potentially a Pepper plugin will receive the event.
3053   // In order to tell whether a plugin gets the last mouse event and which it
3054   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3055   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3056   // |pepper_last_mouse_event_target_|.
3057   pepper_last_mouse_event_target_ = NULL;
3058 #endif
3059
3060   // If the mouse is locked, only the current owner of the mouse lock can
3061   // process mouse events.
3062   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3063 }
3064
3065 bool RenderViewImpl::WillHandleGestureEvent(
3066     const blink::WebGestureEvent& event) {
3067   possible_drag_event_info_.event_source =
3068       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3069   possible_drag_event_info_.event_location =
3070       gfx::Point(event.globalX, event.globalY);
3071   return false;
3072 }
3073
3074 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
3075   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
3076 }
3077
3078 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
3079   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
3080 }
3081
3082 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3083   if (!webview())
3084     return false;
3085   return webview()->hasTouchEventHandlersAt(point);
3086 }
3087
3088 void RenderViewImpl::OnWasHidden() {
3089   RenderWidget::OnWasHidden();
3090
3091 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3092   RenderThreadImpl::current()->video_capture_impl_manager()->
3093       SuspendDevices(true);
3094   if (speech_recognition_dispatcher_)
3095     speech_recognition_dispatcher_->AbortAllRecognitions();
3096 #endif
3097
3098   if (webview())
3099     webview()->setVisibilityState(visibilityState(), false);
3100
3101 #if defined(ENABLE_PLUGINS)
3102   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3103        i != active_pepper_instances_.end(); ++i)
3104     (*i)->PageVisibilityChanged(false);
3105
3106 #if defined(OS_MACOSX)
3107   // Inform NPAPI plugins that their container is no longer visible.
3108   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3109   for (plugin_it = plugin_delegates_.begin();
3110        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3111     (*plugin_it)->SetContainerVisibility(false);
3112   }
3113 #endif  // OS_MACOSX
3114 #endif // ENABLE_PLUGINS
3115 }
3116
3117 void RenderViewImpl::OnWasShown(bool needs_repainting,
3118                                 const ui::LatencyInfo& latency_info) {
3119   RenderWidget::OnWasShown(needs_repainting, latency_info);
3120
3121 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3122   RenderThreadImpl::current()->video_capture_impl_manager()->
3123       SuspendDevices(false);
3124 #endif
3125
3126   if (webview())
3127     webview()->setVisibilityState(visibilityState(), false);
3128
3129 #if defined(ENABLE_PLUGINS)
3130   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3131        i != active_pepper_instances_.end(); ++i)
3132     (*i)->PageVisibilityChanged(true);
3133
3134 #if defined(OS_MACOSX)
3135   // Inform NPAPI plugins that their container is now visible.
3136   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3137   for (plugin_it = plugin_delegates_.begin();
3138        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3139     (*plugin_it)->SetContainerVisibility(true);
3140   }
3141 #endif  // OS_MACOSX
3142 #endif  // ENABLE_PLUGINS
3143 }
3144
3145 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3146   DCHECK(webview());
3147   if (webview()->mainFrame()->isWebLocalFrame())
3148     return GURL(webview()->mainFrame()->document().url());
3149   else
3150     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3151 }
3152
3153 void RenderViewImpl::OnSetFocus(bool enable) {
3154   RenderWidget::OnSetFocus(enable);
3155
3156 #if defined(ENABLE_PLUGINS)
3157   if (webview() && webview()->isActive()) {
3158     // Notify all NPAPI plugins.
3159     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3160     for (plugin_it = plugin_delegates_.begin();
3161          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3162 #if defined(OS_MACOSX)
3163       // RenderWidget's call to setFocus can cause the underlying webview's
3164       // activation state to change just like a call to setIsActive.
3165       if (enable)
3166         (*plugin_it)->SetWindowFocus(true);
3167 #endif
3168       (*plugin_it)->SetContentAreaFocus(enable);
3169     }
3170   }
3171   // Notify all Pepper plugins.
3172   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3173        i != active_pepper_instances_.end(); ++i)
3174     (*i)->SetContentAreaFocus(enable);
3175 #endif
3176   // Notify all BrowserPlugins of the RenderView's focus state.
3177   if (BrowserPluginManager::Get())
3178     BrowserPluginManager::Get()->UpdateFocusState();
3179 }
3180
3181 void RenderViewImpl::OnImeSetComposition(
3182     const base::string16& text,
3183     const std::vector<blink::WebCompositionUnderline>& underlines,
3184     int selection_start,
3185     int selection_end) {
3186 #if defined(ENABLE_PLUGINS)
3187   if (focused_pepper_plugin_) {
3188     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3189         text, underlines, selection_start, selection_end);
3190     return;
3191   }
3192
3193 #if defined(OS_WIN)
3194   // When a plugin has focus, we create platform-specific IME data used by
3195   // our IME emulator and send it directly to the focused plugin, i.e. we
3196   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3197   // instance ID is the same one as the specified ID.)
3198   if (focused_plugin_id_ >= 0) {
3199     std::vector<int> clauses;
3200     std::vector<int> target;
3201     for (size_t i = 0; i < underlines.size(); ++i) {
3202       clauses.push_back(underlines[i].startOffset);
3203       clauses.push_back(underlines[i].endOffset);
3204       if (underlines[i].thick) {
3205         target.clear();
3206         target.push_back(underlines[i].startOffset);
3207         target.push_back(underlines[i].endOffset);
3208       }
3209     }
3210     std::set<WebPluginDelegateProxy*>::iterator it;
3211     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3212       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3213                                    focused_plugin_id_);
3214     }
3215     return;
3216   }
3217 #endif  // OS_WIN
3218 #endif  // ENABLE_PLUGINS
3219   RenderWidget::OnImeSetComposition(text,
3220                                     underlines,
3221                                     selection_start,
3222                                     selection_end);
3223 }
3224
3225 void RenderViewImpl::OnImeConfirmComposition(
3226     const base::string16& text,
3227     const gfx::Range& replacement_range,
3228     bool keep_selection) {
3229 #if defined(ENABLE_PLUGINS)
3230   if (focused_pepper_plugin_) {
3231     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3232         text, replacement_range, keep_selection);
3233     return;
3234   }
3235 #if defined(OS_WIN)
3236   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3237   // plugins. When we send IME text directly to plugins, we should not send
3238   // it to WebKit to prevent WebKit from controlling IMEs.
3239   // TODO(thakis): Honor |replacement_range| for plugins?
3240   if (focused_plugin_id_ >= 0) {
3241     std::set<WebPluginDelegateProxy*>::iterator it;
3242     for (it = plugin_delegates_.begin();
3243           it != plugin_delegates_.end(); ++it) {
3244       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3245     }
3246     return;
3247   }
3248 #endif  // OS_WIN
3249 #endif  // ENABLE_PLUGINS
3250   if (replacement_range.IsValid() && webview()) {
3251     // Select the text in |replacement_range|, it will then be replaced by
3252     // text added by the call to RenderWidget::OnImeConfirmComposition().
3253     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3254       WebRange webrange = WebRange::fromDocumentRange(
3255           frame, replacement_range.start(), replacement_range.length());
3256       if (!webrange.isNull())
3257         frame->selectRange(webrange);
3258     }
3259   }
3260   RenderWidget::OnImeConfirmComposition(text,
3261                                         replacement_range,
3262                                         keep_selection);
3263 }
3264
3265 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3266   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3267   if (webview()) {
3268     webview()->setDeviceScaleFactor(device_scale_factor);
3269     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3270         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3271   }
3272   if (auto_resize_mode_)
3273     AutoResizeCompositor();
3274 }
3275
3276 bool RenderViewImpl::SetDeviceColorProfile(
3277     const std::vector<char>& profile) {
3278   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3279   if (changed && webview()) {
3280     WebVector<char> colorProfile = profile;
3281     webview()->setDeviceColorProfile(colorProfile);
3282   }
3283   return changed;
3284 }
3285
3286 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3287   RenderWidget::ResetDeviceColorProfileForTesting();
3288   if (webview())
3289     webview()->resetDeviceColorProfile();
3290 }
3291
3292 ui::TextInputType RenderViewImpl::GetTextInputType() {
3293 #if defined(ENABLE_PLUGINS)
3294   if (focused_pepper_plugin_)
3295     return focused_pepper_plugin_->text_input_type();
3296 #endif
3297   return RenderWidget::GetTextInputType();
3298 }
3299
3300 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3301 #if defined(ENABLE_PLUGINS)
3302   if (focused_pepper_plugin_) {
3303     // TODO(kinaba) http://crbug.com/101101
3304     // Current Pepper IME API does not handle selection bounds. So we simply
3305     // use the caret position as an empty range for now. It will be updated
3306     // after Pepper API equips features related to surrounding text retrieval.
3307     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3308     *start = caret;
3309     *end = caret;
3310     return;
3311   }
3312 #endif
3313   RenderWidget::GetSelectionBounds(start, end);
3314 }
3315
3316 void RenderViewImpl::FocusChangeComplete() {
3317   RenderWidget::FocusChangeComplete();
3318   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3319 }
3320
3321 void RenderViewImpl::GetCompositionCharacterBounds(
3322     std::vector<gfx::Rect>* bounds) {
3323   DCHECK(bounds);
3324   bounds->clear();
3325
3326 #if defined(ENABLE_PLUGINS)
3327   if (focused_pepper_plugin_) {
3328     return;
3329   }
3330 #endif
3331
3332   if (!webview())
3333     return;
3334   size_t start_offset = 0;
3335   size_t character_count = 0;
3336   if (!webview()->compositionRange(&start_offset, &character_count))
3337     return;
3338   if (character_count == 0)
3339     return;
3340
3341   blink::WebFrame* frame = webview()->focusedFrame();
3342   if (!frame)
3343     return;
3344
3345   bounds->reserve(character_count);
3346   blink::WebRect webrect;
3347   for (size_t i = 0; i < character_count; ++i) {
3348     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3349       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3350       bounds->clear();
3351       return;
3352     }
3353     bounds->push_back(webrect);
3354   }
3355 }
3356
3357 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3358 #if defined(ENABLE_PLUGINS)
3359   if (focused_pepper_plugin_) {
3360     return;
3361   }
3362 #endif
3363   RenderWidget::GetCompositionRange(range);
3364 }
3365
3366 bool RenderViewImpl::CanComposeInline() {
3367 #if defined(ENABLE_PLUGINS)
3368   if (focused_pepper_plugin_)
3369     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3370 #endif
3371   return true;
3372 }
3373
3374 void RenderViewImpl::DidCompletePageScaleAnimation() {
3375   FocusChangeComplete();
3376 }
3377
3378 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3379     bool enabled,
3380     const blink::WebDeviceEmulationParams& params) {
3381   if (webview() && compositor()) {
3382     if (enabled)
3383       webview()->enableDeviceEmulation(params);
3384     else
3385       webview()->disableDeviceEmulation();
3386   }
3387 }
3388
3389 bool RenderViewImpl::ScheduleFileChooser(
3390     const FileChooserParams& params,
3391     WebFileChooserCompletion* completion) {
3392   static const size_t kMaximumPendingFileChooseRequests = 4;
3393   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3394     // This sanity check prevents too many file choose requests from getting
3395     // queued which could DoS the user. Getting these is most likely a
3396     // programming error (there are many ways to DoS the user so it's not
3397     // considered a "real" security check), either in JS requesting many file
3398     // choosers to pop up, or in a plugin.
3399     //
3400     // TODO(brettw) we might possibly want to require a user gesture to open
3401     // a file picker, which will address this issue in a better way.
3402     return false;
3403   }
3404
3405   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3406       new PendingFileChooser(params, completion)));
3407   if (file_chooser_completions_.size() == 1) {
3408     // Actually show the browse dialog when this is the first request.
3409     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3410   }
3411   return true;
3412 }
3413
3414 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3415   if (!speech_recognition_dispatcher_)
3416     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3417   return speech_recognition_dispatcher_;
3418 }
3419
3420 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3421                                        double maximum_level) {
3422   // Round the double to avoid returning incorrect minimum/maximum zoom
3423   // percentages.
3424   int minimum_percent = round(
3425       ZoomLevelToZoomFactor(minimum_level) * 100);
3426   int maximum_percent = round(
3427       ZoomLevelToZoomFactor(maximum_level) * 100);
3428
3429   Send(new ViewHostMsg_UpdateZoomLimits(
3430       routing_id_, minimum_percent, maximum_percent));
3431 }
3432
3433 void RenderViewImpl::zoomLevelChanged() {
3434   double zoom_level = webview()->zoomLevel();
3435
3436   // Do not send empty URLs to the browser when we are just setting the default
3437   // zoom level (from RendererPreferences) before the first navigation.
3438   if (!webview()->mainFrame()->document().url().isEmpty()) {
3439     // Tell the browser which url got zoomed so it can update the menu and the
3440     // saved values if necessary
3441     Send(new ViewHostMsg_DidZoomURL(
3442         routing_id_, zoom_level,
3443         GURL(webview()->mainFrame()->document().url())));
3444   }
3445 }
3446
3447 void RenderViewImpl::pageScaleFactorChanged() {
3448   if (!webview())
3449     return;
3450   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3451   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3452     return;
3453   page_scale_factor_is_one_ = page_scale_factor_is_one;
3454   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3455                                                    page_scale_factor_is_one_));
3456 }
3457
3458 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3459   return ZoomLevelToZoomFactor(zoom_level);
3460 }
3461
3462 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3463   return ZoomFactorToZoomLevel(factor);
3464 }
3465
3466 void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
3467                                              const WebURL& url,
3468                                              const WebString& title) {
3469   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3470   Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
3471                                                base::UTF16ToUTF8(scheme),
3472                                                url,
3473                                                title,
3474                                                user_gesture));
3475 }
3476
3477 void RenderViewImpl::unregisterProtocolHandler(const WebString& scheme,
3478                                                const WebURL& url) {
3479   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3480   Send(new ViewHostMsg_UnregisterProtocolHandler(routing_id_,
3481                                                  base::UTF16ToUTF8(scheme),
3482                                                  url,
3483                                                  user_gesture));
3484 }
3485
3486 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3487   blink::WebPageVisibilityState current_state = is_hidden() ?
3488       blink::WebPageVisibilityStateHidden :
3489       blink::WebPageVisibilityStateVisible;
3490   blink::WebPageVisibilityState override_state = current_state;
3491   // TODO(jam): move this method to WebFrameClient.
3492   if (GetContentClient()->renderer()->
3493           ShouldOverridePageVisibilityState(main_render_frame_.get(),
3494                                             &override_state))
3495     return override_state;
3496   return current_state;
3497 }
3498
3499 void RenderViewImpl::draggableRegionsChanged() {
3500   FOR_EACH_OBSERVER(
3501       RenderViewObserver,
3502       observers_,
3503       DraggableRegionsChanged(webview()->mainFrame()));
3504 }
3505
3506 #if defined(OS_ANDROID)
3507 WebContentDetectionResult RenderViewImpl::detectContentAround(
3508     const WebHitTestResult& touch_hit) {
3509   DCHECK(touch_hit.node().isTextNode());
3510
3511   // Process the position with all the registered content detectors until
3512   // a match is found. Priority is provided by their relative order.
3513   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3514       it != content_detectors_.end(); ++it) {
3515     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3516     if (content.valid) {
3517       return WebContentDetectionResult(content.content_boundaries,
3518           base::UTF8ToUTF16(content.text), content.intent_url);
3519     }
3520   }
3521   return WebContentDetectionResult();
3522 }
3523
3524 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3525   // Introduce a short delay so that the user can notice the content.
3526   base::MessageLoop::current()->PostDelayedTask(
3527       FROM_HERE,
3528       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3529                  AsWeakPtr(),
3530                  intent,
3531                  expected_content_intent_id_),
3532       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3533 }
3534
3535 void RenderViewImpl::cancelScheduledContentIntents() {
3536   ++expected_content_intent_id_;
3537 }
3538
3539 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3540                                                 size_t request_id) {
3541   if (request_id != expected_content_intent_id_)
3542     return;
3543
3544   // Remove the content highlighting if any.
3545   scheduleComposite();
3546
3547   if (!intent.is_empty())
3548     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3549 }
3550
3551 bool RenderViewImpl::openDateTimeChooser(
3552     const blink::WebDateTimeChooserParams& params,
3553     blink::WebDateTimeChooserCompletion* completion) {
3554   // JavaScript may try to open a date time chooser while one is already open.
3555   if (date_time_picker_client_)
3556     return false;
3557   date_time_picker_client_.reset(
3558       new RendererDateTimePicker(this, params, completion));
3559   return date_time_picker_client_->Open();
3560 }
3561
3562 void RenderViewImpl::DismissDateTimeDialog() {
3563   DCHECK(date_time_picker_client_);
3564   date_time_picker_client_.reset(NULL);
3565 }
3566
3567 #endif  // defined(OS_ANDROID)
3568
3569 void RenderViewImpl::OnShowContextMenu(
3570     ui::MenuSourceType source_type, const gfx::Point& location) {
3571   context_menu_source_type_ = source_type;
3572   has_host_context_menu_location_ = true;
3573   host_context_menu_location_ = location;
3574   if (webview())
3575     webview()->showContextMenu();
3576   has_host_context_menu_location_ = false;
3577 }
3578
3579 void RenderViewImpl::OnEnableViewSourceMode() {
3580   if (!webview())
3581     return;
3582   WebFrame* main_frame = webview()->mainFrame();
3583   if (!main_frame)
3584     return;
3585   main_frame->enableViewSourceMode(true);
3586 }
3587
3588 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3589 bool RenderViewImpl::didTapMultipleTargets(
3590     const WebSize& inner_viewport_offset,
3591     const WebRect& touch_rect,
3592     const WebVector<WebRect>& target_rects) {
3593   if (!switches::IsLinkDisambiguationPopupEnabled())
3594     return false;
3595
3596   // Never show a disambiguation popup when accessibility is enabled,
3597   // as this interferes with "touch exploration".
3598   AccessibilityMode accessibility_mode =
3599       GetMainRenderFrame()->accessibility_mode();
3600   bool matches_accessibility_mode_complete =
3601       (accessibility_mode & AccessibilityModeComplete) ==
3602           AccessibilityModeComplete;
3603   if (matches_accessibility_mode_complete)
3604     return false;
3605
3606   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3607   // reference frame.
3608   gfx::Rect zoom_rect;
3609   float new_total_scale =
3610       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3611           touch_rect, target_rects, GetSize(),
3612           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3613           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3614   if (!new_total_scale || zoom_rect.IsEmpty())
3615     return false;
3616
3617   bool handled = false;
3618   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3619     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3620       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3621       break;
3622     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3623       gfx::Size canvas_size =
3624           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3625       cc::SharedBitmapManager* manager =
3626           RenderThreadImpl::current()->shared_bitmap_manager();
3627       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3628           manager->AllocateSharedBitmap(canvas_size);
3629       CHECK(!!shared_bitmap);
3630       {
3631         SkBitmap bitmap;
3632         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3633                                                       canvas_size.height());
3634         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3635         SkCanvas canvas(bitmap);
3636
3637         // TODO(trchen): Cleanup the device scale factor mess.
3638         // device scale will be applied in WebKit
3639         // --> zoom_rect doesn't include device scale,
3640         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3641         canvas.scale(new_total_scale / device_scale_factor_,
3642                      new_total_scale / device_scale_factor_);
3643         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3644                          -zoom_rect.y() * device_scale_factor_);
3645
3646         DCHECK(webwidget_->isAcceleratedCompositingActive());
3647         // TODO(aelias): The disambiguation popup should be composited so we
3648         // don't have to call this method.
3649         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3650       }
3651
3652       gfx::Rect zoom_rect_in_screen =
3653           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3654                                     inner_viewport_offset.height);
3655
3656       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3657           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3658
3659       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3660                                                    physical_window_zoom_rect,
3661                                                    canvas_size,
3662                                                    shared_bitmap->id()));
3663       cc::SharedBitmapId id = shared_bitmap->id();
3664       disambiguation_bitmaps_[id] = shared_bitmap.release();
3665       handled = true;
3666       break;
3667     }
3668     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3669       // No-op.
3670       break;
3671   }
3672
3673   return handled;
3674 }
3675 #endif  // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3676
3677 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3678   return history_list_length_;
3679 }
3680
3681 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3682   if (enable) {
3683     if (has_focus())
3684       return;
3685     OnSetActive(true);
3686     OnSetFocus(true);
3687   } else {
3688     if (!has_focus())
3689       return;
3690     OnSetFocus(false);
3691     OnSetActive(false);
3692   }
3693 }
3694
3695 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3696   ViewMsg_Resize_Params params;
3697   params.screen_info = screen_info_;
3698   params.screen_info.deviceScaleFactor = factor;
3699   params.new_size = size();
3700   params.visible_viewport_size = visible_viewport_size_;
3701   params.physical_backing_size =
3702       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3703   params.top_controls_shrink_blink_size = false;
3704   params.top_controls_height = 0.f;
3705   params.resizer_rect = WebRect();
3706   params.is_fullscreen_granted = is_fullscreen_granted();
3707   params.display_mode = display_mode_;
3708   OnResize(params);
3709 }
3710
3711 void RenderViewImpl::SetDeviceColorProfileForTesting(
3712     const std::vector<char>& color_profile) {
3713   SetDeviceColorProfile(color_profile);
3714 }
3715
3716 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3717   gfx::Rect new_window_rect(rootWindowRect().x,
3718                             rootWindowRect().y,
3719                             new_size.width(),
3720                             new_size.height());
3721   SetWindowRectSynchronously(new_window_rect);
3722 }
3723
3724 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3725   resizing_mode_selector_->set_is_synchronous_mode(enable);
3726 }
3727
3728 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3729                                                 const gfx::Size& max_size) {
3730   OnEnableAutoResize(min_size, max_size);
3731 }
3732
3733 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3734   OnDisableAutoResize(new_size);
3735 }
3736
3737 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3738     const cc::SharedBitmapId& id) {
3739   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3740   DCHECK(it != disambiguation_bitmaps_.end());
3741   delete it->second;
3742   disambiguation_bitmaps_.erase(it);
3743 }
3744
3745 void RenderViewImpl::DidCommitCompositorFrame() {
3746   RenderWidget::DidCommitCompositorFrame();
3747   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3748 }
3749
3750 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3751   if (!urls.empty())
3752     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3753 }
3754
3755 void RenderViewImpl::DidStopLoadingIcons() {
3756   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3757       WebIconURL::TypeTouch;
3758
3759   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3760   // just return early.
3761   if (webview()->mainFrame()->isWebRemoteFrame())
3762     return;
3763
3764   WebVector<WebIconURL> icon_urls =
3765       webview()->mainFrame()->iconURLs(icon_types);
3766
3767   std::vector<FaviconURL> urls;
3768   for (size_t i = 0; i < icon_urls.size(); i++) {
3769     WebURL url = icon_urls[i].iconURL();
3770     std::vector<gfx::Size> sizes;
3771     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3772     if (!url.isEmpty())
3773       urls.push_back(
3774           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3775   }
3776   SendUpdateFaviconURL(urls);
3777 }
3778
3779 }  // namespace content