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/metrics/field_trial.h"
  22 #include "base/metrics/histogram.h"
  23 #include "base/process/kill.h"
  24 #include "base/process/process.h"
  25 #include "base/strings/string_number_conversions.h"
  26 #include "base/strings/string_piece.h"
  27 #include "base/strings/string_split.h"
  28 #include "base/strings/string_util.h"
  29 #include "base/strings/sys_string_conversions.h"
  30 #include "base/strings/utf_string_conversions.h"
  31 #include "base/time/time.h"
  32 #include "base/trace_event/trace_event.h"
  33 #include "content/child/appcache/appcache_dispatcher.h"
  34 #include "content/child/appcache/web_application_cache_host_impl.h"
  35 #include "content/child/child_shared_bitmap_manager.h"
  36 #include "content/child/npapi/webplugin_delegate_impl.h"
  37 #include "content/child/request_extra_data.h"
  38 #include "content/child/v8_value_converter_impl.h"
  39 #include "content/child/webmessageportchannel_impl.h"
  40 #include "content/common/content_constants_internal.h"
  41 #include "content/common/database_messages.h"
  42 #include "content/common/dom_storage/dom_storage_types.h"
  43 #include "content/common/drag_messages.h"
  44 #include "content/common/frame_messages.h"
  45 #include "content/common/frame_replication_state.h"
  46 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  47 #include "content/common/input_messages.h"
  48 #include "content/common/pepper_messages.h"
  49 #include "content/common/site_isolation_policy.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/WebDocument.h"
 138 #include "third_party/WebKit/public/web/WebElement.h"
 139 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 140 #include "third_party/WebKit/public/web/WebFindOptions.h"
 141 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 142 #include "third_party/WebKit/public/web/WebFormElement.h"
 143 #include "third_party/WebKit/public/web/WebFrame.h"
 144 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 145 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 146 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 147 #include "third_party/WebKit/public/web/WebInputElement.h"
 148 #include "third_party/WebKit/public/web/WebInputEvent.h"
 149 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 150 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 151 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 152 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 153 #include "third_party/WebKit/public/web/WebNodeList.h"
 154 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 155 #include "third_party/WebKit/public/web/WebPlugin.h"
 156 #include "third_party/WebKit/public/web/WebPluginAction.h"
 157 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 158 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 159 #include "third_party/WebKit/public/web/WebRange.h"
 160 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 161 #include "third_party/WebKit/public/web/WebScriptSource.h"
 162 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 163 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 164 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 165 #include "third_party/WebKit/public/web/WebSettings.h"
 166 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 167 #include "third_party/WebKit/public/web/WebView.h"
 168 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 169 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 170 #include "third_party/icu/source/common/unicode/uchar.h"
 171 #include "third_party/icu/source/common/unicode/uscript.h"
 172 #include "ui/base/clipboard/clipboard.h"
 173 #include "ui/base/ui_base_switches_util.h"
 174 #include "ui/events/latency_info.h"
 175 #include "ui/gfx/geometry/point.h"
 176 #include "ui/gfx/geometry/rect.h"
 177 #include "ui/gfx/geometry/rect_conversions.h"
 178 #include "ui/gfx/geometry/size_conversions.h"
 179 #include "ui/gfx/native_widget_types.h"
 180 #include "v8/include/v8.h"
 181
 182 #if defined(OS_ANDROID)
 183 #include <cpu-features.h>
 184
 185 #include "content/renderer/android/address_detector.h"
 186 #include "content/renderer/android/content_detector.h"
 187 #include "content/renderer/android/email_detector.h"
 188 #include "content/renderer/android/phone_number_detector.h"
 189 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 190 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 191 #include "ui/gfx/geometry/rect_f.h"
 192
 193 #elif defined(OS_WIN)
 194 // TODO(port): these files are currently Windows only because they concern:
 195 //   * theming
 196 #include "ui/native_theme/native_theme_win.h"
 197 #elif defined(USE_X11)
 198 #include "ui/native_theme/native_theme.h"
 199 #elif defined(OS_MACOSX)
 200 #include "skia/ext/skia_utils_mac.h"
 201 #endif
 202
 203 #if defined(ENABLE_PLUGINS)
 204 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 205 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 206 #include "content/renderer/pepper/pepper_plugin_registry.h"
 207 #endif
 208
 209 #if defined(ENABLE_WEBRTC)
 210 #include "content/renderer/media/rtc_peer_connection_handler.h"
 211 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 212 #endif
 213
 214 using blink::WebAXObject;
 215 using blink::WebApplicationCacheHost;
 216 using blink::WebApplicationCacheHostClient;
 217 using blink::WebCString;
 218 using blink::WebColor;
 219 using blink::WebColorName;
 220 using blink::WebConsoleMessage;
 221 using blink::WebData;
 222 using blink::WebDataSource;
 223 using blink::WebDocument;
 224 using blink::WebDragData;
 225 using blink::WebDragOperation;
 226 using blink::WebDragOperationsMask;
 227 using blink::WebElement;
 228 using blink::WebFileChooserCompletion;
 229 using blink::WebFindOptions;
 230 using blink::WebFormControlElement;
 231 using blink::WebFormElement;
 232 using blink::WebFrame;
 233 using blink::WebGestureEvent;
 234 using blink::WebHistoryItem;
 235 using blink::WebHTTPBody;
 236 using blink::WebIconURL;
 237 using blink::WebImage;
 238 using blink::WebInputElement;
 239 using blink::WebInputEvent;
 240 using blink::WebLocalFrame;
 241 using blink::WebMediaPlayerAction;
 242 using blink::WebMouseEvent;
 243 using blink::WebNavigationPolicy;
 244 using blink::WebNavigationType;
 245 using blink::WebNode;
 246 using blink::WebPageSerializer;
 247 using blink::WebPageSerializerClient;
 248 using blink::WebPeerConnection00Handler;
 249 using blink::WebPeerConnection00HandlerClient;
 250 using blink::WebPeerConnectionHandler;
 251 using blink::WebPeerConnectionHandlerClient;
 252 using blink::WebPluginAction;
 253 using blink::WebPluginContainer;
 254 using blink::WebPluginDocument;
 255 using blink::WebPoint;
 256 using blink::WebRange;
 257 using blink::WebRect;
 258 using blink::WebReferrerPolicy;
 259 using blink::WebScriptSource;
 260 using blink::WebSearchableFormData;
 261 using blink::WebSecurityOrigin;
 262 using blink::WebSecurityPolicy;
 263 using blink::WebSettings;
 264 using blink::WebSize;
 265 using blink::WebStorageNamespace;
 266 using blink::WebStorageQuotaCallbacks;
 267 using blink::WebStorageQuotaError;
 268 using blink::WebStorageQuotaType;
 269 using blink::WebString;
 270 using blink::WebTextAffinity;
 271 using blink::WebTextDirection;
 272 using blink::WebTouchEvent;
 273 using blink::WebURL;
 274 using blink::WebURLError;
 275 using blink::WebURLRequest;
 276 using blink::WebURLResponse;
 277 using blink::WebUserGestureIndicator;
 278 using blink::WebVector;
 279 using blink::WebView;
 280 using blink::WebWidget;
 281 using blink::WebWindowFeatures;
 282 using blink::WebNetworkStateNotifier;
 283 using blink::WebRuntimeFeatures;
 284 using base::Time;
 285 using base::TimeDelta;
 286
 287 #if defined(OS_ANDROID)
 288 using blink::WebContentDetectionResult;
 289 using blink::WebFloatPoint;
 290 using blink::WebFloatRect;
 291 using blink::WebHitTestResult;
 292 #endif
 293
 294 namespace content {
 295
 296 //-----------------------------------------------------------------------------
 297
 298 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 299 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 300 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 301 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 302     LAZY_INSTANCE_INITIALIZER;
 303
 304 // Time, in seconds, we delay before sending content state changes (such as form
 305 // state and scroll position) to the browser. We delay sending changes to avoid
 306 // spamming the browser.
 307 // To avoid having tab/session restore require sending a message to get the
 308 // current content state during tab closing we use a shorter timeout for the
 309 // foreground renderer. This means there is a small window of time from which
 310 // content state is modified and not sent to session restore, but this is
 311 // better than having to wake up all renderers during shutdown.
 312 const int kDelaySecondsForContentStateSyncHidden = 5;
 313 const int kDelaySecondsForContentStateSync = 1;
 314
 315 #if defined(OS_ANDROID)
 316 // Delay between tapping in content and launching the associated android intent.
 317 // Used to allow users see what has been recognized as content.
 318 const size_t kContentIntentDelayMilliseconds = 700;
 319 #endif
 320
 321 static RenderViewImpl* (*g_create_render_view_impl)(
 322     CompositorDependencies* compositor_deps,
 323     const ViewMsg_New_Params&) = nullptr;
 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   // 1.5 is a common touchscreen tablet device scale factor. For such
 365   // devices main thread antialiasing is a heavy burden.
 366   return device_scale_factor >= 1.5f;
 367 #endif
 368
 369 }
 370
 371 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 372                                        float device_scale_factor) {
 373   const base::CommandLine& command_line =
 374       *base::CommandLine::ForCurrentProcess();
 375   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 376     return false;
 377   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 378     return true;
 379   if (!compositor_deps->IsLcdTextEnabled())
 380     return true;
 381   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 382 }
 383
 384 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 385   switch (type) {
 386     case blink::WebIconURL::TypeFavicon:
 387       return FaviconURL::FAVICON;
 388     case blink::WebIconURL::TypeTouch:
 389       return FaviconURL::TOUCH_ICON;
 390     case blink::WebIconURL::TypeTouchPrecomposed:
 391       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 392     case blink::WebIconURL::TypeInvalid:
 393       return FaviconURL::INVALID_ICON;
 394   }
 395   return FaviconURL::INVALID_ICON;
 396 }
 397
 398 static void ConvertToFaviconSizes(
 399     const blink::WebVector<blink::WebSize>& web_sizes,
 400     std::vector<gfx::Size>* sizes) {
 401   DCHECK(sizes->empty());
 402   sizes->reserve(web_sizes.size());
 403   for (size_t i = 0; i < web_sizes.size(); ++i)
 404     sizes->push_back(gfx::Size(web_sizes[i]));
 405 }
 406
 407 ///////////////////////////////////////////////////////////////////////////////
 408
 409 struct RenderViewImpl::PendingFileChooser {
 410   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 411       : params(p),
 412         completion(c) {
 413   }
 414   FileChooserParams params;
 415   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 416 };
 417
 418 namespace {
 419
 420 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 421  public:
 422   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 423       : webwidget_(webwidget) {}
 424
 425   void OnLockMouseACK(bool succeeded) override {
 426     if (succeeded)
 427       webwidget_->didAcquirePointerLock();
 428     else
 429       webwidget_->didNotAcquirePointerLock();
 430   }
 431
 432   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 433
 434   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 435     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 436     return false;
 437   }
 438
 439  private:
 440   blink::WebWidget* webwidget_;
 441 };
 442
 443 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 444   std::vector<WebDragData::Item> item_list;
 445
 446   // These fields are currently unused when dragging into WebKit.
 447   DCHECK(drop_data.download_metadata.empty());
 448   DCHECK(drop_data.file_contents.empty());
 449   DCHECK(drop_data.file_description_filename.empty());
 450
 451   if (!drop_data.text.is_null()) {
 452     WebDragData::Item item;
 453     item.storageType = WebDragData::Item::StorageTypeString;
 454     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 455     item.stringData = drop_data.text.string();
 456     item_list.push_back(item);
 457   }
 458
 459   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 460   // meaningful to write an empty URL to the clipboard?
 461   if (!drop_data.url.is_empty()) {
 462     WebDragData::Item item;
 463     item.storageType = WebDragData::Item::StorageTypeString;
 464     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 465     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 466     item.title = drop_data.url_title;
 467     item_list.push_back(item);
 468   }
 469
 470   if (!drop_data.html.is_null()) {
 471     WebDragData::Item item;
 472     item.storageType = WebDragData::Item::StorageTypeString;
 473     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 474     item.stringData = drop_data.html.string();
 475     item.baseURL = drop_data.html_base_url;
 476     item_list.push_back(item);
 477   }
 478
 479   for (std::vector<ui::FileInfo>::const_iterator it =
 480            drop_data.filenames.begin();
 481        it != drop_data.filenames.end();
 482        ++it) {
 483     WebDragData::Item item;
 484     item.storageType = WebDragData::Item::StorageTypeFilename;
 485     item.filenameData = it->path.AsUTF16Unsafe();
 486     item.displayNameData = it->display_name.AsUTF16Unsafe();
 487     item_list.push_back(item);
 488   }
 489
 490   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 491            drop_data.file_system_files.begin();
 492        it != drop_data.file_system_files.end();
 493        ++it) {
 494     WebDragData::Item item;
 495     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 496     item.fileSystemURL = it->url;
 497     item.fileSystemFileSize = it->size;
 498     item_list.push_back(item);
 499   }
 500
 501   for (std::map<base::string16, base::string16>::const_iterator it =
 502            drop_data.custom_data.begin();
 503        it != drop_data.custom_data.end();
 504        ++it) {
 505     WebDragData::Item item;
 506     item.storageType = WebDragData::Item::StorageTypeString;
 507     item.stringType = it->first;
 508     item.stringData = it->second;
 509     item_list.push_back(item);
 510   }
 511
 512   WebDragData result;
 513   result.initialize();
 514   result.setItems(item_list);
 515   result.setFilesystemId(drop_data.filesystem_id);
 516   return result;
 517 }
 518
 519 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 520                                      const base::string16&,
 521                                      UScriptCode);
 522
 523 void SetStandardFontFamilyWrapper(WebSettings* settings,
 524                                   const base::string16& font,
 525                                   UScriptCode script) {
 526   settings->setStandardFontFamily(font, script);
 527 }
 528
 529 void SetFixedFontFamilyWrapper(WebSettings* settings,
 530                                const base::string16& font,
 531                                UScriptCode script) {
 532   settings->setFixedFontFamily(font, script);
 533 }
 534
 535 void SetSerifFontFamilyWrapper(WebSettings* settings,
 536                                const base::string16& font,
 537                                UScriptCode script) {
 538   settings->setSerifFontFamily(font, script);
 539 }
 540
 541 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 542                                    const base::string16& font,
 543                                    UScriptCode script) {
 544   settings->setSansSerifFontFamily(font, script);
 545 }
 546
 547 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 548                                  const base::string16& font,
 549                                  UScriptCode script) {
 550   settings->setCursiveFontFamily(font, script);
 551 }
 552
 553 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 554                                  const base::string16& font,
 555                                  UScriptCode script) {
 556   settings->setFantasyFontFamily(font, script);
 557 }
 558
 559 void SetPictographFontFamilyWrapper(WebSettings* settings,
 560                                     const base::string16& font,
 561                                     UScriptCode script) {
 562   settings->setPictographFontFamily(font, script);
 563 }
 564
 565 // If |scriptCode| is a member of a family of "similar" script codes, returns
 566 // the script code in that family that is used by WebKit for font selection
 567 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 568 // considered equivalent for the purposes of font selection.  WebKit uses the
 569 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 570 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 571 // uses different scripts than the ones in Chrome pref names because the version
 572 // of ICU included on certain ports does not have some of the newer scripts.  If
 573 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 574 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 575   switch (scriptCode) {
 576     case USCRIPT_HIRAGANA:
 577     case USCRIPT_KATAKANA:
 578     case USCRIPT_JAPANESE:
 579       return USCRIPT_KATAKANA_OR_HIRAGANA;
 580     case USCRIPT_KOREAN:
 581       return USCRIPT_HANGUL;
 582     default:
 583       return scriptCode;
 584   }
 585 }
 586
 587 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 588                        SetFontFamilyWrapper setter,
 589                        WebSettings* settings) {
 590   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 591        ++it) {
 592     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 593     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 594       UScriptCode code = static_cast<UScriptCode>(script);
 595       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 596     }
 597   }
 598 }
 599
 600 void ApplyBlinkSettings(const base::CommandLine& command_line,
 601                         WebSettings* settings) {
 602   if (!command_line.HasSwitch(switches::kBlinkSettings))
 603     return;
 604
 605   std::vector<std::string> blink_settings = base::SplitString(
 606       command_line.GetSwitchValueASCII(switches::kBlinkSettings),
 607       ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
 608   for (const std::string& setting : blink_settings) {
 609     size_t pos = setting.find('=');
 610     settings->setFromStrings(
 611         blink::WebString::fromLatin1(setting.substr(0, pos)),
 612         blink::WebString::fromLatin1(
 613             pos == std::string::npos ? "" : setting.substr(pos + 1)));
 614   }
 615 }
 616
 617 }  // namespace
 618
 619 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 620                                const ViewMsg_New_Params& params)
 621     : RenderWidget(compositor_deps,
 622                    blink::WebPopupTypeNone,
 623                    params.initial_size.screen_info,
 624                    params.swapped_out,
 625                    params.hidden,
 626                    params.never_visible),
 627       webkit_preferences_(params.web_preferences),
 628       send_content_state_immediately_(false),
 629       enabled_bindings_(0),
 630       send_preferred_size_changes_(false),
 631       navigation_gesture_(NavigationGestureUnknown),
 632       opened_by_user_gesture_(true),
 633       opener_suppressed_(false),
 634       suppress_dialogs_until_swap_out_(false),
 635       page_id_(-1),
 636       next_page_id_(params.next_page_id),
 637       history_list_offset_(-1),
 638       history_list_length_(0),
 639       frames_in_progress_(0),
 640       target_url_status_(TARGET_NONE),
 641       uses_temporary_zoom_level_(false),
 642 #if defined(OS_ANDROID)
 643       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 644 #endif
 645       has_scrolled_focused_editable_node_into_rect_(false),
 646       main_render_frame_(nullptr),
 647       speech_recognition_dispatcher_(NULL),
 648       mouse_lock_dispatcher_(NULL),
 649 #if defined(OS_ANDROID)
 650       expected_content_intent_id_(0),
 651 #endif
 652 #if defined(OS_WIN)
 653       focused_plugin_id_(-1),
 654 #endif
 655 #if defined(ENABLE_PLUGINS)
 656       plugin_find_handler_(NULL),
 657       focused_pepper_plugin_(NULL),
 658       pepper_last_mouse_event_target_(NULL),
 659 #endif
 660       enumeration_completion_id_(0),
 661       session_storage_namespace_id_(params.session_storage_namespace_id),
 662       page_scale_factor_is_one_(true) {
 663 }
 664
 665 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 666                                 bool was_created_by_renderer) {
 667   routing_id_ = params.view_id;
 668   surface_id_ = params.surface_id;
 669
 670   int opener_view_routing_id;
 671   WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(
 672       params.opener_frame_route_id, &opener_view_routing_id);
 673   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
 674     opener_id_ = opener_view_routing_id;
 675
 676   display_mode_= params.initial_size.display_mode;
 677
 678   // Ensure we start with a valid next_page_id_ from the browser.
 679   DCHECK_GE(next_page_id_, 0);
 680
 681   webwidget_ = WebView::create(this);
 682   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 683
 684   g_view_map.Get().insert(std::make_pair(webview(), this));
 685   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 686
 687   const base::CommandLine& command_line =
 688       *base::CommandLine::ForCurrentProcess();
 689
 690   if (command_line.HasSwitch(switches::kStatsCollectionController))
 691     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 692
 693   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
 694     main_render_frame_ =
 695         RenderFrameImpl::CreateMainFrame(this, params.main_frame_routing_id);
 696   }
 697
 698   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 699     CHECK(params.swapped_out);
 700     if (main_render_frame_) {
 701       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 702       RenderFrameProxy* proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 703           main_render_frame_, params.proxy_routing_id,
 704           blink::WebTreeScopeType::Document);
 705       main_render_frame_->set_render_frame_proxy(proxy);
 706     } else {
 707       DCHECK(SiteIsolationPolicy::IsSwappedOutStateForbidden());
 708       // Pass MSG_ROUTING_NONE for opener, since actual opener (if any) will be
 709       // set separately below.
 710       RenderFrameProxy::CreateFrameProxy(params.proxy_routing_id, routing_id_,
 711                                          MSG_ROUTING_NONE, MSG_ROUTING_NONE,
 712                                          params.replicated_frame_state);
 713     }
 714   }
 715
 716   if (main_render_frame_)
 717     main_render_frame_->Initialize();
 718
 719 #if defined(OS_ANDROID)
 720   content_detectors_.push_back(linked_ptr<ContentDetector>(
 721       new AddressDetector()));
 722   const std::string& contry_iso =
 723       params.renderer_preferences.network_contry_iso;
 724   if (!contry_iso.empty()) {
 725     content_detectors_.push_back(linked_ptr<ContentDetector>(
 726         new PhoneNumberDetector(contry_iso)));
 727   }
 728   content_detectors_.push_back(linked_ptr<ContentDetector>(
 729       new EmailDetector()));
 730 #endif
 731
 732   RenderThread::Get()->AddRoute(routing_id_, this);
 733   // Take a reference on behalf of the RenderThread.  This will be balanced
 734   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 735   // inherits from).
 736   AddRef();
 737   if (RenderThreadImpl::current()) {
 738     RenderThreadImpl::current()->WidgetCreated();
 739     if (is_hidden_)
 740       RenderThreadImpl::current()->WidgetHidden();
 741   }
 742
 743   // If this is a popup, we must wait for the CreatingNew_ACK message before
 744   // completing initialization.  Otherwise, we can finish it now.
 745   if (opener_id_ == MSG_ROUTING_NONE) {
 746     did_show_ = true;
 747     CompleteInit();
 748   }
 749
 750   webview()->setDeviceScaleFactor(device_scale_factor_);
 751   webview()->setDisplayMode(display_mode_);
 752   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 753       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 754   webview()->settings()->setThreadedScrollingEnabled(
 755       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 756   webview()->settings()->setRootLayerScrolls(
 757       command_line.HasSwitch(switches::kRootLayerScrolls));
 758
 759   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
 760
 761   if (switches::IsTouchDragDropEnabled())
 762     webview()->settings()->setTouchDragDropEnabled(true);
 763
 764   if (switches::IsTouchEditingEnabled())
 765     webview()->settings()->setTouchEditingEnabled(true);
 766
 767   WebSettings::SelectionStrategyType selection_strategy =
 768       WebSettings::SelectionStrategyType::Character;
 769   const std::string selection_strategy_str =
 770       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 771           switches::kTouchTextSelectionStrategy);
 772   if (selection_strategy_str == "direction")
 773     selection_strategy = WebSettings::SelectionStrategyType::Direction;
 774   webview()->settings()->setSelectionStrategy(selection_strategy);
 775
 776   // Set the main frame's name.  Only needs to be done for WebLocalFrames,
 777   // since the remote case was handled as part of SetReplicatedState on the
 778   // proxy above.
 779   if (!params.replicated_frame_state.name.empty() &&
 780       webview()->mainFrame()->isWebLocalFrame()) {
 781     webview()->mainFrame()->setName(
 782         blink::WebString::fromUTF8(params.replicated_frame_state.name));
 783   }
 784
 785   // TODO(davidben): Move this state from Blink into content.
 786   if (params.window_was_created_with_opener)
 787     webview()->setOpenedByDOM();
 788
 789   OnSetRendererPrefs(params.renderer_preferences);
 790
 791   ApplyBlinkSettings(command_line, webview()->settings());
 792
 793   if (!params.enable_auto_resize) {
 794     OnResize(params.initial_size);
 795   } else {
 796     OnEnableAutoResize(params.min_size, params.max_size);
 797   }
 798
 799   new MHTMLGenerator(this);
 800 #if defined(OS_MACOSX)
 801   new TextInputClientObserver(this);
 802 #endif  // defined(OS_MACOSX)
 803
 804   // The next group of objects all implement RenderViewObserver, so are deleted
 805   // along with the RenderView automatically.
 806   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 807
 808   history_controller_.reset(new HistoryController(this));
 809
 810   new IdleUserDetector(this);
 811
 812   if (command_line.HasSwitch(switches::kDomAutomationController))
 813     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 814   if (command_line.HasSwitch(switches::kStatsCollectionController))
 815     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 816
 817   GetContentClient()->renderer()->RenderViewCreated(this);
 818
 819   // If we have an opener_frame but we weren't created by a renderer, then it's
 820   // the browser asking us to set our opener to another frame.
 821   if (opener_frame && !was_created_by_renderer)
 822     webview()->mainFrame()->setOpener(opener_frame);
 823
 824   // If we are initially swapped out, navigate to kSwappedOutURL.
 825   // This ensures we are in a unique origin that others cannot script.
 826   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 827     main_render_frame_->NavigateToSwappedOutURL();
 828 }
 829
 830 RenderViewImpl::~RenderViewImpl() {
 831   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 832        it != disambiguation_bitmaps_.end();
 833        ++it)
 834     delete it->second;
 835
 836   // If file chooser is still waiting for answer, dispatch empty answer.
 837   while (!file_chooser_completions_.empty()) {
 838     if (file_chooser_completions_.front()->completion) {
 839       file_chooser_completions_.front()->completion->didChooseFile(
 840           WebVector<WebString>());
 841     }
 842     file_chooser_completions_.pop_front();
 843   }
 844
 845 #if defined(OS_ANDROID)
 846   // The date/time picker client is both a scoped_ptr member of this class and
 847   // a RenderViewObserver. Reset it to prevent double deletion.
 848   date_time_picker_client_.reset();
 849 #endif
 850
 851 #ifndef NDEBUG
 852   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 853   ViewMap* views = g_view_map.Pointer();
 854   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 855     DCHECK_NE(this, it->second) << "Failed to call Close?";
 856   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 857   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 858        it != routing_id_views->end(); ++it)
 859     DCHECK_NE(this, it->second) << "Failed to call Close?";
 860 #endif
 861
 862   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 863   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 864 }
 865
 866 /*static*/
 867 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 868   ViewMap* views = g_view_map.Pointer();
 869   ViewMap::iterator it = views->find(webview);
 870   return it == views->end() ? NULL : it->second;
 871 }
 872
 873 /*static*/
 874 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 875   return RenderViewImpl::FromWebView(webview);
 876 }
 877
 878 /*static*/
 879 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 880   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 881   RoutingIDViewMap::iterator it = views->find(routing_id);
 882   return it == views->end() ? NULL : it->second;
 883 }
 884
 885 /*static*/
 886 RenderView* RenderView::FromRoutingID(int routing_id) {
 887   return RenderViewImpl::FromRoutingID(routing_id);
 888 }
 889
 890 /* static */
 891 size_t RenderView::GetRenderViewCount() {
 892   return g_view_map.Get().size();
 893 }
 894
 895 /*static*/
 896 void RenderView::ForEach(RenderViewVisitor* visitor) {
 897   ViewMap* views = g_view_map.Pointer();
 898   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 899     if (!visitor->Visit(it->second))
 900       return;
 901   }
 902 }
 903
 904 /*static*/
 905 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 906                                      WebView* web_view) {
 907   WebSettings* settings = web_view->settings();
 908   ApplyFontsFromMap(prefs.standard_font_family_map,
 909                     SetStandardFontFamilyWrapper, settings);
 910   ApplyFontsFromMap(prefs.fixed_font_family_map,
 911                     SetFixedFontFamilyWrapper, settings);
 912   ApplyFontsFromMap(prefs.serif_font_family_map,
 913                     SetSerifFontFamilyWrapper, settings);
 914   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 915                     SetSansSerifFontFamilyWrapper, settings);
 916   ApplyFontsFromMap(prefs.cursive_font_family_map,
 917                     SetCursiveFontFamilyWrapper, settings);
 918   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 919                     SetFantasyFontFamilyWrapper, settings);
 920   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 921                     SetPictographFontFamilyWrapper, settings);
 922   settings->setDefaultFontSize(prefs.default_font_size);
 923   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 924   settings->setMinimumFontSize(prefs.minimum_font_size);
 925   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 926   settings->setDefaultTextEncodingName(
 927       base::ASCIIToUTF16(prefs.default_encoding));
 928   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 929   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 930   settings->setJavaScriptCanOpenWindowsAutomatically(
 931       prefs.javascript_can_open_windows_automatically);
 932   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 933   settings->setImagesEnabled(prefs.images_enabled);
 934   settings->setPluginsEnabled(prefs.plugins_enabled);
 935   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 936   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 937   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 938   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 939   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 940   settings->setJavaScriptCanAccessClipboard(
 941       prefs.javascript_can_access_clipboard);
 942   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 943   WebRuntimeFeatures::enableSlimmingPaintV2(prefs.slimming_paint_v2_enabled);
 944   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 945   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 946   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 947   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 948   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 949   settings->setOfflineWebApplicationCacheEnabled(
 950       prefs.application_cache_enabled);
 951   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
 952   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
 953   settings->setCookieEnabled(prefs.cookie_enabled);
 954   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
 955
 956   // By default, allow_universal_access_from_file_urls is set to false and thus
 957   // we mitigate attacks from local HTML files by not granting file:// URLs
 958   // universal access. Only test shell will enable this.
 959   settings->setAllowUniversalAccessFromFileURLs(
 960       prefs.allow_universal_access_from_file_urls);
 961   settings->setAllowFileAccessFromFileURLs(
 962       prefs.allow_file_access_from_file_urls);
 963
 964   // Enable the web audio API if requested on the command line.
 965   settings->setWebAudioEnabled(prefs.webaudio_enabled);
 966
 967   // Enable experimental WebGL support if requested on command line
 968   // and support is compiled in.
 969   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 970
 971   // Disable GL multisampling if requested on command line.
 972   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
 973
 974   // Enable WebGL errors to the JS console if requested.
 975   settings->setWebGLErrorsToConsoleEnabled(
 976       prefs.webgl_errors_to_console_enabled);
 977
 978   // Uses the mock theme engine for scrollbars.
 979   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 980
 981   // Enable gpu-accelerated 2d canvas if requested on the command line.
 982   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 983
 984   settings->setMinimumAccelerated2dCanvasSize(
 985       prefs.minimum_accelerated_2d_canvas_size);
 986
 987   // Disable antialiasing for 2d canvas if requested on the command line.
 988   settings->setAntialiased2dCanvasEnabled(
 989       !prefs.antialiased_2d_canvas_disabled);
 990
 991   // Enabled antialiasing of clips for 2d canvas if requested on the command
 992   // line.
 993   settings->setAntialiasedClips2dCanvasEnabled(
 994       prefs.antialiased_clips_2d_canvas_enabled);
 995
 996   // Set MSAA sample count for 2d canvas if requested on the command line (or
 997   // default value if not).
 998   settings->setAccelerated2dCanvasMSAASampleCount(
 999       prefs.accelerated_2d_canvas_msaa_sample_count);
1000
1001   settings->setAsynchronousSpellCheckingEnabled(
1002       prefs.asynchronous_spell_checking_enabled);
1003   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1004
1005   // Tabs to link is not part of the settings. WebCore calls
1006   // ChromeClient::tabsToLinks which is part of the glue code.
1007   web_view->setTabsToLinks(prefs.tabs_to_links);
1008
1009   settings->setAllowDisplayOfInsecureContent(
1010       prefs.allow_displaying_insecure_content);
1011   settings->setAllowRunningOfInsecureContent(
1012       prefs.allow_running_insecure_content);
1013   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1014   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1015
1016   settings->setStrictlyBlockBlockableMixedContent(
1017       prefs.strictly_block_blockable_mixed_content);
1018
1019   settings->setStrictMixedContentCheckingForPlugin(
1020       prefs.block_mixed_plugin_content);
1021
1022   settings->setStrictPowerfulFeatureRestrictions(
1023       prefs.strict_powerful_feature_restrictions);
1024   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1025   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1026   settings->setShouldClearDocumentBackground(
1027       prefs.should_clear_document_background);
1028   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1029
1030   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1031   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1032   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1033   settings->setPrimaryPointerType(
1034       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1035   settings->setAvailableHoverTypes(prefs.available_hover_types);
1036   settings->setPrimaryHoverType(
1037       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1038   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1039   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1040   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1041   settings->setMultiTargetTapNotificationEnabled(
1042       switches::IsLinkDisambiguationPopupEnabled());
1043
1044   WebRuntimeFeatures::enableImageColorProfiles(
1045       prefs.image_color_profiles_enabled);
1046   settings->setShouldRespectImageOrientation(
1047       prefs.should_respect_image_orientation);
1048
1049   settings->setUnsafePluginPastingEnabled(false);
1050   settings->setEditingBehavior(
1051       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1052
1053   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1054
1055   // TODO(bokan): Remove once Blink side is gone.
1056   settings->setInvertViewportScrollOrder(true);
1057
1058   settings->setViewportEnabled(prefs.viewport_enabled);
1059   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1060   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1061   settings->setMainFrameResizesAreOrientationChanges(
1062       prefs.main_frame_resizes_are_orientation_changes);
1063
1064   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1065
1066   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1067
1068   settings->setSelectionIncludesAltImageText(true);
1069
1070   settings->setV8CacheOptions(
1071       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1072
1073   settings->setImageAnimationPolicy(
1074       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1075
1076   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1077   web_view->setDefaultPageScaleLimits(
1078       prefs.default_minimum_page_scale_factor,
1079       prefs.default_maximum_page_scale_factor);
1080
1081 #if defined(OS_ANDROID)
1082   settings->setAllowCustomScrollbarInMainFrame(false);
1083   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1084   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1085   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1086   settings->setFullscreenSupported(prefs.fullscreen_supported);
1087   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1088   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1089   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1090   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1091   settings->setMediaPlaybackRequiresUserGesture(
1092       prefs.user_gesture_required_for_media_playback);
1093   settings->setDefaultVideoPosterURL(
1094         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1095   settings->setSupportDeprecatedTargetDensityDPI(
1096       prefs.support_deprecated_target_density_dpi);
1097   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1098       prefs.use_legacy_background_size_shorthand_behavior);
1099   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1100   settings->setUseWideViewport(prefs.use_wide_viewport);
1101   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1102   settings->setViewportMetaLayoutSizeQuirk(
1103       prefs.viewport_meta_layout_size_quirk);
1104   settings->setViewportMetaMergeContentQuirk(
1105       prefs.viewport_meta_merge_content_quirk);
1106   settings->setViewportMetaNonUserScalableQuirk(
1107       prefs.viewport_meta_non_user_scalable_quirk);
1108   settings->setViewportMetaZeroValuesQuirk(
1109       prefs.viewport_meta_zero_values_quirk);
1110   settings->setClobberUserAgentInitialScaleQuirk(
1111       prefs.clobber_user_agent_initial_scale_quirk);
1112   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1113       prefs.ignore_main_frame_overflow_hidden_quirk);
1114   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1115       prefs.report_screen_size_in_physical_pixels_quirk);
1116   settings->setPreferHiddenVolumeControls(true);
1117   settings->setMainFrameClipsContent(!prefs.record_whole_document);
1118   settings->setShrinksViewportContentToFit(true);
1119   settings->setUseMobileViewportStyle(true);
1120   settings->setAutoplayExperimentMode(
1121       blink::WebString::fromUTF8(prefs.autoplay_experiment_mode));
1122 #endif
1123
1124   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1125   WebNetworkStateNotifier::setWebConnection(
1126       NetConnectionTypeToWebConnectionType(prefs.net_info_connection_type),
1127       prefs.net_info_max_bandwidth_mbps);
1128
1129   settings->setPinchOverlayScrollbarThickness(
1130       prefs.pinch_overlay_scrollbar_thickness);
1131   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1132
1133   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1134
1135 #if defined(OS_MACOSX)
1136   settings->setDoubleTapToZoomEnabled(true);
1137   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1138 #endif
1139
1140 #if !defined(OS_ANDROID) && !defined(OS_MACOSX)
1141   // On platforms where the pinch viewport and the layout viewport can
1142   // both show scrollbars, hide pinch scrollbars when we are near minimum
1143   // page scale. (See http://crbug.com/446411 and http://crbug.com/515746.)
1144   settings->setHidePinchScrollbarsNearMinScale(true);
1145 #endif
1146 }
1147
1148 /*static*/
1149 RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
1150                                        const ViewMsg_New_Params& params,
1151                                        bool was_created_by_renderer) {
1152   DCHECK(params.view_id != MSG_ROUTING_NONE);
1153   RenderViewImpl* render_view = NULL;
1154   if (g_create_render_view_impl)
1155     render_view = g_create_render_view_impl(compositor_deps, params);
1156   else
1157     render_view = new RenderViewImpl(compositor_deps, params);
1158
1159   render_view->Initialize(params, was_created_by_renderer);
1160   return render_view;
1161 }
1162
1163 // static
1164 void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
1165     *create_render_view_impl)(CompositorDependencies* compositor_deps,
1166                               const ViewMsg_New_Params&)) {
1167   CHECK(!g_create_render_view_impl);
1168   g_create_render_view_impl = create_render_view_impl;
1169 }
1170
1171 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1172   observers_.AddObserver(observer);
1173 }
1174
1175 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1176   observer->RenderViewGone();
1177   observers_.RemoveObserver(observer);
1178 }
1179
1180 blink::WebView* RenderViewImpl::webview() const {
1181   return static_cast<blink::WebView*>(webwidget());
1182 }
1183
1184 #if defined(ENABLE_PLUGINS)
1185 void RenderViewImpl::PepperInstanceCreated(
1186     PepperPluginInstanceImpl* instance) {
1187   active_pepper_instances_.insert(instance);
1188
1189   RenderFrameImpl* const render_frame = instance->render_frame();
1190   render_frame->Send(
1191       new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
1192 }
1193
1194 void RenderViewImpl::PepperInstanceDeleted(
1195     PepperPluginInstanceImpl* instance) {
1196   active_pepper_instances_.erase(instance);
1197
1198   if (pepper_last_mouse_event_target_ == instance)
1199     pepper_last_mouse_event_target_ = NULL;
1200   if (focused_pepper_plugin_ == instance)
1201     PepperFocusChanged(instance, false);
1202
1203   RenderFrameImpl* const render_frame = instance->render_frame();
1204   if (render_frame)
1205     render_frame->Send(
1206         new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
1207 }
1208
1209 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1210                                         bool focused) {
1211   if (focused)
1212     focused_pepper_plugin_ = instance;
1213   else if (focused_pepper_plugin_ == instance)
1214     focused_pepper_plugin_ = NULL;
1215
1216   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
1217   UpdateSelectionBounds();
1218 }
1219
1220 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1221   plugin_delegates_.insert(delegate);
1222   // If the renderer is visible, set initial visibility and focus state.
1223   if (!is_hidden()) {
1224 #if defined(OS_MACOSX)
1225     delegate->SetContainerVisibility(true);
1226     if (webview() && webview()->isActive())
1227       delegate->SetWindowFocus(true);
1228 #endif
1229   }
1230   // Plugins start assuming the content has focus (so that they work in
1231   // environments where RenderView isn't hosting them), so we always have to
1232   // set the initial state. See webplugin_delegate_impl.h for details.
1233   delegate->SetContentAreaFocus(has_focus());
1234 }
1235
1236 void RenderViewImpl::UnregisterPluginDelegate(
1237     WebPluginDelegateProxy* delegate) {
1238   plugin_delegates_.erase(delegate);
1239 }
1240
1241 #if defined(OS_WIN)
1242 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1243   if (focused)
1244     focused_plugin_id_ = plugin_id;
1245   else
1246     focused_plugin_id_ = -1;
1247 }
1248 #endif
1249
1250 #if defined(OS_MACOSX)
1251 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1252   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1253 }
1254
1255 void RenderViewImpl::OnGetRenderedText() {
1256   if (!webview())
1257     return;
1258   // Get rendered text from WebLocalFrame.
1259   // TODO: Currently IPC truncates any data that has a
1260   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1261   // send back using multiple IPC. See http://crbug.com/393444.
1262   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1263   std::string text = webview()->mainFrame()->contentAsText(
1264       kMaximumMessageSize).utf8();
1265
1266   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1267 }
1268
1269 void RenderViewImpl::StartPluginIme() {
1270   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1271   // This message can be sent during event-handling, and needs to be delivered
1272   // within that context.
1273   msg->set_unblock(true);
1274   Send(msg);
1275 }
1276 #endif  // defined(OS_MACOSX)
1277
1278 #endif  // ENABLE_PLUGINS
1279
1280 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1281     const blink::WebActiveWheelFlingParameters& params) {
1282   if (webview())
1283     webview()->transferActiveWheelFlingAnimation(params);
1284 }
1285
1286 bool RenderViewImpl::HasIMETextFocus() {
1287   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1288 }
1289
1290 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1291   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1292   if (main_frame && main_frame->isWebLocalFrame())
1293     GetContentClient()->SetActiveURL(main_frame->document().url());
1294
1295   base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1296   RenderViewObserver* observer;
1297   while ((observer = it.GetNext()) != NULL)
1298     if (observer->OnMessageReceived(message))
1299       return true;
1300
1301   bool handled = true;
1302   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1303     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1304     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1305     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1306                         OnScrollFocusedEditableNodeIntoRect)
1307     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1308                         OnSetEditCommandsForNextKeyEvent)
1309     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1310     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1311     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1312     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1313     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1314     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1315     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1316                         OnSetZoomLevelForLoadingURL)
1317     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1318                         OnSetZoomLevelForView)
1319     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1320     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1321                         OnResetPageEncodingToDefault)
1322     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1323     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1324     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1325     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1326     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1327     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1328                         OnDragSourceSystemDragEnded)
1329     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1330     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1331     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1332     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1333     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1334                         OnEnumerateDirectoryResponse)
1335     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1336     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1337                         OnSuppressDialogsUntilSwapOut)
1338     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1339     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1340     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1341     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1342     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1343     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1344                         OnEnablePreferredSizeChangedMode)
1345     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1346     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1347     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1348                         OnDisableScrollbarsForSmallWindows)
1349     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1350     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1351     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1352     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1353     IPC_MESSAGE_HANDLER(
1354         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1355         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1356     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1357     // TODO(viettrungluu): Move to a separate message filter.
1358     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1359                         OnSetHistoryOffsetAndLength)
1360     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1361     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1362                         OnReleaseDisambiguationPopupBitmap)
1363     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1364     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1365 #if defined(OS_ANDROID)
1366     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1367                         OnActivateNearestFindResult)
1368     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1369     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1370                         OnUpdateTopControlsState)
1371     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1372 #elif defined(OS_MACOSX)
1373     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1374                         OnGetRenderedText)
1375     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1376                         OnPluginImeCompositionCompleted)
1377     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1378     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1379     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1380     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1381 #endif
1382     // Adding a new message? Add platform independent ones first, then put the
1383     // platform specific ones at the end.
1384
1385     // Have the super handle all other messages.
1386     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1387   IPC_END_MESSAGE_MAP()
1388
1389   return handled;
1390 }
1391
1392 void RenderViewImpl::OnSelectWordAroundCaret() {
1393   if (!webview())
1394     return;
1395
1396   handling_input_event_ = true;
1397   webview()->focusedFrame()->selectWordAroundCaret();
1398   handling_input_event_ = false;
1399 }
1400
1401 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1402   webview()->copyImageAt(WebPoint(x, y));
1403 }
1404
1405 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1406   webview()->saveImageAt(WebPoint(x, y));
1407 }
1408
1409 void RenderViewImpl::OnUpdateTargetURLAck() {
1410   // Check if there is a targeturl waiting to be sent.
1411   if (target_url_status_ == TARGET_PENDING)
1412     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1413
1414   target_url_status_ = TARGET_NONE;
1415 }
1416
1417 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1418     const std::string& value) {
1419   if (!webview() || !webview()->focusedFrame())
1420     return;
1421
1422   webview()->focusedFrame()->executeCommand(
1423       WebString::fromUTF8(name), WebString::fromUTF8(value));
1424 }
1425
1426 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1427   if (!webview())
1428     return;
1429
1430   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1431
1432   webview()->focusedFrame()->moveCaretSelection(point);
1433 }
1434
1435 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1436     const gfx::Rect& rect) {
1437   if (has_scrolled_focused_editable_node_into_rect_ &&
1438       rect == rect_for_scrolled_focused_editable_node_) {
1439     FocusChangeComplete();
1440     return;
1441   }
1442
1443   blink::WebElement element = GetFocusedElement();
1444   bool will_animate = false;
1445   if (!element.isNull() && element.isEditable()) {
1446     rect_for_scrolled_focused_editable_node_ = rect;
1447     has_scrolled_focused_editable_node_into_rect_ = true;
1448     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1449   }
1450
1451   if (!will_animate)
1452     FocusChangeComplete();
1453 }
1454
1455 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1456     const EditCommands& edit_commands) {
1457   edit_commands_ = edit_commands;
1458 }
1459
1460 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1461                                                  int history_length) {
1462   DCHECK_GE(history_offset, -1);
1463   DCHECK_GE(history_length, 0);
1464
1465   history_list_offset_ = history_offset;
1466   history_list_length_ = history_length;
1467 }
1468
1469 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1470   if (!webview())
1471     return;
1472   webview()->setInitialFocus(reverse);
1473 }
1474
1475 #if defined(OS_MACOSX)
1476 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1477   if (!webview())
1478     return;
1479   if (in_live_resize)
1480     webview()->willStartLiveResize();
1481   else
1482     webview()->willEndLiveResize();
1483 }
1484 #endif
1485
1486 ///////////////////////////////////////////////////////////////////////////////
1487
1488 void RenderViewImpl::SendUpdateState() {
1489   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1490   if (!entry)
1491     return;
1492
1493   // Don't send state updates for kSwappedOutURL.
1494   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1495     return;
1496
1497   Send(new ViewHostMsg_UpdateState(
1498       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1499 }
1500
1501 void RenderViewImpl::ApplyWebPreferencesInternal(
1502     const WebPreferences& prefs,
1503     blink::WebView* web_view,
1504     CompositorDependencies* compositor_deps) {
1505   ApplyWebPreferences(prefs, web_view);
1506 #if defined(OS_MACOSX) && !defined(OS_IOS)
1507   DCHECK(compositor_deps);
1508   bool is_elastic_overscroll_enabled =
1509       compositor_deps->IsElasticOverscrollEnabled();
1510   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1511 #endif
1512 }
1513
1514 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1515   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1516   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1517   // it is particularly important that we do not call willEnterModalLoop as
1518   // that would defer resource loads for the dialog itself.
1519   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1520     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1521
1522   message->EnableMessagePumping();  // Runs a nested message loop.
1523   return Send(message);
1524 }
1525
1526 void RenderViewImpl::OnForceRedraw(int id) {
1527   ui::LatencyInfo latency_info;
1528   if (id) {
1529     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1530                                   0,
1531                                   id);
1532   }
1533   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1534   if (RenderWidgetCompositor* rwc = compositor()) {
1535     latency_info_swap_promise_monitor =
1536         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1537   }
1538   ScheduleCompositeWithForcedRedraw();
1539 }
1540
1541 // blink::WebViewClient ------------------------------------------------------
1542
1543 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1544                                     const WebURLRequest& request,
1545                                     const WebWindowFeatures& features,
1546                                     const WebString& frame_name,
1547                                     WebNavigationPolicy policy,
1548                                     bool suppress_opener) {
1549   ViewHostMsg_CreateWindow_Params params;
1550   params.opener_id = routing_id_;
1551   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1552   if (GetContentClient()->renderer()->AllowPopup())
1553     params.user_gesture = true;
1554   params.window_container_type = WindowFeaturesToContainerType(features);
1555   params.session_storage_namespace_id = session_storage_namespace_id_;
1556   if (frame_name != "_blank")
1557     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1558   params.opener_render_frame_id =
1559       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1560   params.opener_url = creator->document().url();
1561
1562   // The browser process uses the top frame's URL for a content settings check
1563   // to determine whether the popup is allowed.  If the top frame is remote,
1564   // its URL is not available, so use its replicated origin instead.
1565   //
1566   // TODO(alexmos): This works fine for regular origins but may break path
1567   // matching for file URLs with OOP subframes that open popups.  This should
1568   // be fixed by either moving this lookup to the browser process or removing
1569   // path-based matching for file URLs from content settings.  See
1570   // https://crbug.com/466297.
1571   if (creator->top()->isWebLocalFrame()) {
1572     params.opener_top_level_frame_url = creator->top()->document().url();
1573   } else {
1574     params.opener_top_level_frame_url =
1575         GURL(creator->top()->securityOrigin().toString());
1576   }
1577
1578   GURL security_url(creator->document().securityOrigin().toString());
1579   if (!security_url.is_valid())
1580     security_url = GURL();
1581   params.opener_security_origin = security_url;
1582   params.opener_suppressed = suppress_opener;
1583   params.disposition = NavigationPolicyToDisposition(policy);
1584   if (!request.isNull()) {
1585     params.target_url = request.url();
1586     params.referrer = GetReferrerFromRequest(creator, request);
1587   }
1588   params.features = features;
1589
1590   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1591     params.additional_features.push_back(features.additionalFeatures[i]);
1592
1593   int32 routing_id = MSG_ROUTING_NONE;
1594   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1595   int32 surface_id = 0;
1596   int64 cloned_session_storage_namespace_id = 0;
1597
1598   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1599       params, &routing_id, &main_frame_routing_id, &surface_id,
1600       &cloned_session_storage_namespace_id));
1601   if (routing_id == MSG_ROUTING_NONE)
1602     return NULL;
1603
1604   WebUserGestureIndicator::consumeUserGesture();
1605
1606   // While this view may be a background extension page, it can spawn a visible
1607   // render view. So we just assume that the new one is not another background
1608   // page instead of passing on our own value.
1609   // TODO(vangelis): Can we tell if the new view will be a background page?
1610   bool never_visible = false;
1611
1612   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1613   initial_size.screen_info = screen_info_;
1614
1615   // The initial hidden state for the RenderViewImpl here has to match what the
1616   // browser will eventually decide for the given disposition. Since we have to
1617   // return from this call synchronously, we just have to make our best guess
1618   // and rely on the browser sending a WasHidden / WasShown message if it
1619   // disagrees.
1620   ViewMsg_New_Params view_params;
1621
1622   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1623   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1624   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1625
1626   view_params.window_was_created_with_opener = true;
1627   view_params.renderer_preferences = renderer_preferences_;
1628   view_params.web_preferences = webkit_preferences_;
1629   view_params.view_id = routing_id;
1630   view_params.main_frame_routing_id = main_frame_routing_id;
1631   view_params.surface_id = surface_id;
1632   view_params.session_storage_namespace_id =
1633       cloned_session_storage_namespace_id;
1634   view_params.swapped_out = false;
1635   // WebCore will take care of setting the correct name.
1636   view_params.replicated_frame_state = FrameReplicationState();
1637   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1638   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1639   view_params.never_visible = never_visible;
1640   view_params.next_page_id = 1;
1641   view_params.initial_size = initial_size;
1642   view_params.enable_auto_resize = false;
1643   view_params.min_size = gfx::Size();
1644   view_params.max_size = gfx::Size();
1645
1646   RenderViewImpl* view =
1647       RenderViewImpl::Create(compositor_deps_, view_params, true);
1648   view->opened_by_user_gesture_ = params.user_gesture;
1649
1650   // Record whether the creator frame is trying to suppress the opener field.
1651   view->opener_suppressed_ = params.opener_suppressed;
1652
1653   return view->webview();
1654 }
1655
1656 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1657   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1658                                               popup_type, screen_info_);
1659   if (!widget)
1660     return NULL;
1661   if (screen_metrics_emulator_) {
1662     widget->SetPopupOriginAdjustmentsForEmulation(
1663         screen_metrics_emulator_.get());
1664   }
1665   return widget->webwidget();
1666 }
1667
1668 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1669   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1670   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1671 }
1672
1673 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1674   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1675                     PrintPage(frame, handling_input_event_));
1676 }
1677
1678 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1679   // Note: We should basically send GURL but we use size-limited string instead
1680   // in order to send a larger data url to save a image for <canvas> or <img>.
1681   if (data_url.length() < kMaxLengthOfDataURLString)
1682     Send(new ViewHostMsg_SaveImageFromDataURL(
1683         routing_id_, GetMainRenderFrame()->GetRoutingID(), data_url.utf8()));
1684 }
1685
1686 bool RenderViewImpl::enumerateChosenDirectory(
1687     const WebString& path,
1688     WebFileChooserCompletion* chooser_completion) {
1689   int id = enumeration_completion_id_++;
1690   enumeration_completions_[id] = chooser_completion;
1691   return Send(new ViewHostMsg_EnumerateDirectory(
1692       routing_id_,
1693       id,
1694       base::FilePath::FromUTF16Unsafe(path)));
1695 }
1696
1697 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1698   DCHECK_GE(frames_in_progress_, 0);
1699   if (frames_in_progress_ == 0)
1700     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1701   frames_in_progress_++;
1702 }
1703
1704 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1705   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1706   // calls DidStopLoading() without a matching DidStartLoading().
1707   if (frames_in_progress_ == 0)
1708     return;
1709   frames_in_progress_--;
1710   if (frames_in_progress_ == 0) {
1711     DidStopLoadingIcons();
1712     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1713   }
1714 }
1715
1716 void RenderViewImpl::SetZoomLevel(double zoom_level) {
1717   webview()->setZoomLevel(zoom_level);
1718   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
1719 }
1720
1721 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1722   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1723 }
1724
1725 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1726   if (edit_commands_.empty())
1727     return false;
1728
1729   WebFrame* frame = webview()->focusedFrame();
1730   if (!frame)
1731     return false;
1732
1733   EditCommands::iterator it = edit_commands_.begin();
1734   EditCommands::iterator end = edit_commands_.end();
1735
1736   bool did_execute_command = false;
1737   for (; it != end; ++it) {
1738     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1739     // key (but it's the exception). Once one edit command is not executed, it
1740     // seems safest to not execute the rest.
1741     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1742                                WebString::fromUTF8(it->value),
1743                                GetFocusedElement()))
1744       break;
1745     did_execute_command = true;
1746   }
1747
1748   return did_execute_command;
1749 }
1750
1751 bool RenderViewImpl::runFileChooser(
1752     const blink::WebFileChooserParams& params,
1753     WebFileChooserCompletion* chooser_completion) {
1754   // Do not open the file dialog in a hidden RenderView.
1755   if (is_hidden())
1756     return false;
1757   FileChooserParams ipc_params;
1758   if (params.directory)
1759     ipc_params.mode = FileChooserParams::UploadFolder;
1760   else if (params.multiSelect)
1761     ipc_params.mode = FileChooserParams::OpenMultiple;
1762   else if (params.saveAs)
1763     ipc_params.mode = FileChooserParams::Save;
1764   else
1765     ipc_params.mode = FileChooserParams::Open;
1766   ipc_params.title = params.title;
1767   ipc_params.default_file_name =
1768       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1769   ipc_params.accept_types.reserve(params.acceptTypes.size());
1770   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1771     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1772   ipc_params.need_local_path = params.needLocalPath;
1773 #if defined(OS_ANDROID)
1774   ipc_params.capture = params.useMediaCapture;
1775 #endif
1776
1777   return ScheduleFileChooser(ipc_params, chooser_completion);
1778 }
1779
1780 void RenderViewImpl::SetValidationMessageDirection(
1781     base::string16* wrapped_main_text,
1782     blink::WebTextDirection main_text_hint,
1783     base::string16* wrapped_sub_text,
1784     blink::WebTextDirection sub_text_hint) {
1785   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1786     *wrapped_main_text =
1787         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1788   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1789              !base::i18n::IsRTL()) {
1790     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1791   }
1792
1793   if (!wrapped_sub_text->empty()) {
1794     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1795       *wrapped_sub_text =
1796           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1797     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1798       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1799     }
1800   }
1801 }
1802
1803 void RenderViewImpl::showValidationMessage(
1804     const blink::WebRect& anchor_in_root_view,
1805     const blink::WebString& main_text,
1806     blink::WebTextDirection main_text_hint,
1807     const blink::WebString& sub_text,
1808     blink::WebTextDirection sub_text_hint) {
1809   base::string16 wrapped_main_text = main_text;
1810   base::string16 wrapped_sub_text = sub_text;
1811
1812   SetValidationMessageDirection(
1813       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1814
1815   Send(new ViewHostMsg_ShowValidationMessage(
1816       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1817       wrapped_main_text, wrapped_sub_text));
1818 }
1819
1820 void RenderViewImpl::hideValidationMessage() {
1821   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1822 }
1823
1824 void RenderViewImpl::moveValidationMessage(
1825     const blink::WebRect& anchor_in_root_view) {
1826   Send(new ViewHostMsg_MoveValidationMessage(
1827       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1828 }
1829
1830 void RenderViewImpl::setStatusText(const WebString& text) {
1831 }
1832
1833 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1834                                      const GURL& fallback_url) {
1835   GURL latest_url = url.is_empty() ? fallback_url : url;
1836   if (latest_url == target_url_)
1837     return;
1838
1839   // Tell the browser to display a destination link.
1840   if (target_url_status_ == TARGET_INFLIGHT ||
1841       target_url_status_ == TARGET_PENDING) {
1842     // If we have a request in-flight, save the URL to be sent when we
1843     // receive an ACK to the in-flight request. We can happily overwrite
1844     // any existing pending sends.
1845     pending_target_url_ = latest_url;
1846     target_url_status_ = TARGET_PENDING;
1847   } else {
1848     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1849     // see |ParamTraits<GURL>|.
1850     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1851       latest_url = GURL();
1852     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1853     target_url_ = latest_url;
1854     target_url_status_ = TARGET_INFLIGHT;
1855   }
1856 }
1857
1858 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1859     const gfx::RectF& rect) const {
1860   gfx::RectF window_rect = rect;
1861   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1862   return window_rect;
1863 }
1864
1865 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1866   int delay;
1867   if (send_content_state_immediately_)
1868     delay = 0;
1869   else if (is_hidden())
1870     delay = kDelaySecondsForContentStateSyncHidden;
1871   else
1872     delay = kDelaySecondsForContentStateSync;
1873
1874   if (nav_state_sync_timer_.IsRunning()) {
1875     // The timer is already running. If the delay of the timer maches the amount
1876     // we want to delay by, then return. Otherwise stop the timer so that it
1877     // gets started with the right delay.
1878     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1879       return;
1880     nav_state_sync_timer_.Stop();
1881   }
1882
1883   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1884                               &RenderViewImpl::SendUpdateState);
1885 }
1886
1887 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1888   mouse_over_url_ = GURL(url);
1889   UpdateTargetURL(mouse_over_url_, focus_url_);
1890 }
1891
1892 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1893   focus_url_ = GURL(url);
1894   UpdateTargetURL(focus_url_, mouse_over_url_);
1895 }
1896
1897 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1898                                    const WebDragData& data,
1899                                    WebDragOperationsMask mask,
1900                                    const WebImage& image,
1901                                    const WebPoint& webImageOffset) {
1902   DropData drop_data(DropDataBuilder::Build(data));
1903   drop_data.referrer_policy = frame->document().referrerPolicy();
1904   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1905   Send(new DragHostMsg_StartDragging(routing_id_,
1906                                      drop_data,
1907                                      mask,
1908                                      image.getSkBitmap(),
1909                                      imageOffset,
1910                                      possible_drag_event_info_));
1911 }
1912
1913 bool RenderViewImpl::acceptsLoadDrops() {
1914   return renderer_preferences_.can_accept_load_drops;
1915 }
1916
1917 void RenderViewImpl::focusNext() {
1918   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1919 }
1920
1921 void RenderViewImpl::focusPrevious() {
1922   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1923 }
1924
1925 // TODO(esprehn): Blink only ever passes Elements, this should take WebElement.
1926 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1927                                         const WebNode& toNode) {
1928   has_scrolled_focused_editable_node_into_rect_ = false;
1929
1930   gfx::Rect node_bounds;
1931   bool is_editable = false;
1932   if (!toNode.isNull() && toNode.isElementNode()) {
1933     WebElement element = const_cast<WebNode&>(toNode).to<WebElement>();
1934     node_bounds = gfx::Rect(element.boundsInViewportSpace());
1935     is_editable = element.isEditable();
1936   }
1937   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, is_editable,
1938                                           node_bounds));
1939
1940   // TODO(estade): remove.
1941   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1942
1943   RenderFrameImpl* previous_frame = nullptr;
1944   if (!fromNode.isNull())
1945     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1946   RenderFrameImpl* new_frame = nullptr;
1947   if (!toNode.isNull())
1948     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1949
1950   if (previous_frame && previous_frame != new_frame)
1951     previous_frame->FocusedNodeChanged(WebNode());
1952   if (new_frame)
1953     new_frame->FocusedNodeChanged(toNode);
1954
1955   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1956   if (main_render_frame_)
1957     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
1958 }
1959
1960 void RenderViewImpl::didUpdateLayout() {
1961   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1962
1963   // We don't always want to set up a timer, only if we've been put in that
1964   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1965   // message.
1966   if (!send_preferred_size_changes_ || !webview())
1967     return;
1968
1969   if (check_preferred_size_timer_.IsRunning())
1970     return;
1971   check_preferred_size_timer_.Start(FROM_HERE,
1972                                     TimeDelta::FromMilliseconds(0), this,
1973                                     &RenderViewImpl::CheckPreferredSize);
1974 }
1975
1976 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1977   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1978 }
1979
1980 int RenderViewImpl::historyBackListCount() {
1981   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1982 }
1983
1984 int RenderViewImpl::historyForwardListCount() {
1985   return history_list_length_ - historyBackListCount() - 1;
1986 }
1987
1988 // blink::WebWidgetClient ----------------------------------------------------
1989
1990 void RenderViewImpl::didFocus() {
1991   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1992   //                 we won't have to test for user gesture anymore and we can
1993   //                 move that code back to render_widget.cc
1994   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1995       !RenderThreadImpl::current()->layout_test_mode()) {
1996     Send(new ViewHostMsg_Focus(routing_id_));
1997   }
1998 }
1999
2000 void RenderViewImpl::didBlur() {
2001   // TODO(jcivelli): see TODO above in didFocus().
2002   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2003       !RenderThreadImpl::current()->layout_test_mode()) {
2004     Send(new ViewHostMsg_Blur(routing_id_));
2005   }
2006 }
2007
2008 // We are supposed to get a single call to Show for a newly created RenderView
2009 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2010 // point to dispatch the ShowView message.
2011 //
2012 // This method provides us with the information about how to display the newly
2013 // created RenderView (i.e., as a blocked popup or as a new tab).
2014 //
2015 void RenderViewImpl::show(WebNavigationPolicy policy) {
2016   if (did_show_) {
2017     // When supports_multiple_windows is disabled, popups are reusing
2018     // the same view. In some scenarios, this makes WebKit to call show() twice.
2019     if (webkit_preferences_.supports_multiple_windows)
2020       NOTREACHED() << "received extraneous Show call";
2021     return;
2022   }
2023   did_show_ = true;
2024
2025   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2026
2027   // NOTE: initial_rect_ may still have its default values at this point, but
2028   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2029   // browser process will impose a default position otherwise.
2030   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2031       NavigationPolicyToDisposition(policy), initial_rect_,
2032       opened_by_user_gesture_));
2033   SetPendingWindowRect(initial_rect_);
2034 }
2035
2036 bool RenderViewImpl::requestPointerLock() {
2037   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2038 }
2039
2040 void RenderViewImpl::requestPointerUnlock() {
2041   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2042 }
2043
2044 bool RenderViewImpl::isPointerLocked() {
2045   return mouse_lock_dispatcher_->IsMouseLockedTo(
2046       webwidget_mouse_lock_target_.get());
2047 }
2048
2049 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2050   FOR_EACH_OBSERVER(
2051       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2052 }
2053
2054 void RenderViewImpl::didHandleGestureEvent(
2055     const WebGestureEvent& event,
2056     bool event_cancelled) {
2057   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2058
2059   if (!event_cancelled) {
2060     FOR_EACH_OBSERVER(
2061         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2062   }
2063
2064   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2065   // crbug/420130.
2066 #if defined(OS_WIN)
2067   if (event.type != blink::WebGestureEvent::GestureTap)
2068     return;
2069
2070   // TODO(estade): hit test the event against focused node to make sure
2071   // the tap actually hit the focused node.
2072   blink::WebTextInputType text_input_type =
2073       GetWebView()->textInputInfo().type;
2074
2075   Send(new ViewHostMsg_FocusedNodeTouched(
2076       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2077 #endif
2078 }
2079
2080 void RenderViewImpl::initializeLayerTreeView() {
2081   RenderWidget::initializeLayerTreeView();
2082   RenderWidgetCompositor* rwc = compositor();
2083   if (!rwc)
2084     return;
2085
2086   bool use_threaded_event_handling = true;
2087 #if defined(OS_MACOSX) && !defined(OS_IOS)
2088   // Disable threaded event handling if content is not handling the elastic
2089   // overscroll effect. This includes the cases where the elastic overscroll
2090   // effect is being handled by Blink (because of command line flags) and older
2091   // operating system versions which do not have an elastic overscroll effect
2092   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2093   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2094 #endif
2095   if (use_threaded_event_handling) {
2096     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2097     // render_thread may be NULL in tests.
2098     InputHandlerManager* input_handler_manager =
2099         render_thread ? render_thread->input_handler_manager() : NULL;
2100     if (input_handler_manager) {
2101       input_handler_manager->AddInputHandler(
2102           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2103     }
2104   }
2105 }
2106
2107 // blink::WebFrameClient -----------------------------------------------------
2108
2109 void RenderViewImpl::Repaint(const gfx::Size& size) {
2110   OnRepaint(size);
2111 }
2112
2113 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2114                                                    const std::string& value) {
2115   EditCommands edit_commands;
2116   edit_commands.push_back(EditCommand(name, value));
2117   OnSetEditCommandsForNextKeyEvent(edit_commands);
2118 }
2119
2120 void RenderViewImpl::ClearEditCommands() {
2121   edit_commands_.clear();
2122 }
2123
2124 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2125   std::string security_info;
2126   if (frame && frame->dataSource())
2127     security_info = frame->dataSource()->response().securityInfo();
2128
2129   SSLStatus result;
2130   CHECK(DeserializeSecurityInfo(security_info, &result));
2131   return result;
2132 }
2133
2134 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2135   return renderer_preferences_.accept_languages;
2136 }
2137
2138 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2139                                    WebIconURL::Type icon_type) {
2140   if (frame->parent())
2141     return;
2142
2143   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2144   std::vector<FaviconURL> urls;
2145   for (size_t i = 0; i < icon_urls.size(); i++) {
2146     std::vector<gfx::Size> sizes;
2147     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2148     urls.push_back(FaviconURL(
2149         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2150   }
2151   SendUpdateFaviconURL(urls);
2152 }
2153
2154 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2155   StartNavStateSyncTimerIfNecessary();
2156 }
2157
2158 void RenderViewImpl::CheckPreferredSize() {
2159   // We don't always want to send the change messages over IPC, only if we've
2160   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2161   // message.
2162   if (!send_preferred_size_changes_ || !webview())
2163     return;
2164
2165   gfx::Size size = webview()->contentsPreferredMinimumSize();
2166   if (size == preferred_size_)
2167     return;
2168
2169   preferred_size_ = size;
2170   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2171                                                       preferred_size_));
2172 }
2173
2174 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2175   StartNavStateSyncTimerIfNecessary();
2176 }
2177
2178 void RenderViewImpl::SendFindReply(int request_id,
2179                                    int match_count,
2180                                    int ordinal,
2181                                    const WebRect& selection_rect,
2182                                    bool final_status_update) {
2183   Send(new ViewHostMsg_Find_Reply(routing_id_,
2184                                   request_id,
2185                                   match_count,
2186                                   selection_rect,
2187                                   ordinal,
2188                                   final_status_update));
2189 }
2190
2191 blink::WebString RenderViewImpl::acceptLanguages() {
2192   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2193 }
2194
2195 // blink::WebPageSerializerClient implementation ------------------------------
2196
2197 void RenderViewImpl::didSerializeDataForFrame(
2198     const WebURL& frame_url,
2199     const WebCString& data,
2200     WebPageSerializerClient::PageSerializationStatus status) {
2201   Send(new ViewHostMsg_SendSerializedHtmlData(
2202     routing_id(),
2203     frame_url,
2204     data.data(),
2205     static_cast<int32>(status)));
2206 }
2207
2208 // RenderView implementation ---------------------------------------------------
2209
2210 bool RenderViewImpl::Send(IPC::Message* message) {
2211   return RenderWidget::Send(message);
2212 }
2213
2214 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2215   return main_render_frame_;
2216 }
2217
2218 int RenderViewImpl::GetRoutingID() const {
2219   return routing_id_;
2220 }
2221
2222 gfx::Size RenderViewImpl::GetSize() const {
2223   return size();
2224 }
2225
2226 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2227   return webkit_preferences_;
2228 }
2229
2230 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2231   OnUpdateWebPreferences(preferences);
2232 }
2233
2234 blink::WebView* RenderViewImpl::GetWebView() {
2235   return webview();
2236 }
2237
2238 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2239   return (!send_preferred_size_changes_ ||
2240           (disable_scrollbars_size_limit_.width() <= width ||
2241            disable_scrollbars_size_limit_.height() <= height));
2242 }
2243
2244 int RenderViewImpl::GetEnabledBindings() const {
2245   return enabled_bindings_;
2246 }
2247
2248 bool RenderViewImpl::GetContentStateImmediately() const {
2249   return send_content_state_immediately_;
2250 }
2251
2252 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2253   return visibilityState();
2254 }
2255
2256 void RenderViewImpl::DidStartLoading() {
2257   main_render_frame_->didStartLoading(true);
2258 }
2259
2260 void RenderViewImpl::DidStopLoading() {
2261   main_render_frame_->didStopLoading();
2262 }
2263
2264 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2265   if (!webview())
2266     return WebElement();
2267   WebFrame* focused_frame = webview()->focusedFrame();
2268   if (focused_frame) {
2269     WebDocument doc = focused_frame->document();
2270     if (!doc.isNull())
2271       return doc.focusedElement();
2272   }
2273
2274   return WebElement();
2275 }
2276
2277 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2278   if (!webview())
2279     return NULL;
2280
2281   WebFrame* main_frame = webview()->mainFrame();
2282   if (main_frame->isWebLocalFrame() &&
2283       main_frame->document().isPluginDocument())
2284     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2285
2286 #if defined(ENABLE_PLUGINS)
2287   if (plugin_find_handler_)
2288     return plugin_find_handler_->container()->plugin();
2289 #endif
2290
2291   return NULL;
2292 }
2293
2294 void RenderViewImpl::OnFind(int request_id,
2295                             const base::string16& search_text,
2296                             const WebFindOptions& options) {
2297   WebFrame* main_frame = webview()->mainFrame();
2298   blink::WebPlugin* plugin = GetWebPluginForFind();
2299   // Check if the plugin still exists in the document.
2300   if (plugin) {
2301     if (options.findNext) {
2302       // Just navigate back/forward.
2303       plugin->selectFindResult(options.forward);
2304     } else {
2305       if (!plugin->startFind(
2306           search_text, options.matchCase, request_id)) {
2307         // Send "no results".
2308         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2309       }
2310     }
2311     return;
2312   }
2313
2314   WebFrame* frame_after_main = main_frame->traverseNext(true);
2315   WebFrame* focused_frame = webview()->focusedFrame();
2316   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2317
2318   bool multi_frame = (frame_after_main != main_frame);
2319
2320   // If we have multiple frames, we don't want to wrap the search within the
2321   // frame, so we check here if we only have main_frame in the chain.
2322   bool wrap_within_frame = !multi_frame;
2323
2324   WebRect selection_rect;
2325   bool result = false;
2326
2327   // If something is selected when we start searching it means we cannot just
2328   // increment the current match ordinal; we need to re-generate it.
2329   WebRange current_selection = focused_frame->selectionRange();
2330
2331   do {
2332     result = search_frame->find(
2333         request_id, search_text, options, wrap_within_frame, &selection_rect);
2334
2335     if (!result) {
2336       // don't leave text selected as you move to the next frame.
2337       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2338                                    GetFocusedElement());
2339
2340       // Find the next frame, but skip the invisible ones.
2341       do {
2342         // What is the next frame to search? (we might be going backwards). Note
2343         // that we specify wrap=true so that search_frame never becomes NULL.
2344         search_frame = options.forward ?
2345             search_frame->traverseNext(true) :
2346             search_frame->traversePrevious(true);
2347       } while (!search_frame->hasVisibleContent() &&
2348                search_frame != focused_frame);
2349
2350       // Make sure selection doesn't affect the search operation in new frame.
2351       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2352                                    GetFocusedElement());
2353
2354       // If we have multiple frames and we have wrapped back around to the
2355       // focused frame, we need to search it once more allowing wrap within
2356       // the frame, otherwise it will report 'no match' if the focused frame has
2357       // reported matches, but no frames after the focused_frame contain a
2358       // match for the search word(s).
2359       if (multi_frame && search_frame == focused_frame) {
2360         result = search_frame->find(
2361             request_id, search_text, options, true,  // Force wrapping.
2362             &selection_rect);
2363       }
2364     }
2365
2366     webview()->setFocusedFrame(search_frame);
2367   } while (!result && search_frame != focused_frame);
2368
2369   if (options.findNext && current_selection.isNull()) {
2370     // Force the main_frame to report the actual count.
2371     main_frame->increaseMatchCount(0, request_id);
2372   } else {
2373     // If nothing is found, set result to "0 of 0", otherwise, set it to
2374     // "-1 of 1" to indicate that we found at least one item, but we don't know
2375     // yet what is active.
2376     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2377     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2378
2379     // If we find no matches then this will be our last status update.
2380     // Otherwise the scoping effort will send more results.
2381     bool final_status_update = !result;
2382
2383     SendFindReply(request_id, match_count, ordinal, selection_rect,
2384                   final_status_update);
2385
2386     // Scoping effort begins, starting with the mainframe.
2387     search_frame = main_frame;
2388
2389     main_frame->resetMatchCount();
2390
2391     do {
2392       // Cancel all old scoping requests before starting a new one.
2393       search_frame->cancelPendingScopingEffort();
2394
2395       // We don't start another scoping effort unless at least one match has
2396       // been found.
2397       if (result) {
2398         // Start new scoping request. If the scoping function determines that it
2399         // needs to scope, it will defer until later.
2400         search_frame->scopeStringMatches(request_id,
2401                                          search_text,
2402                                          options,
2403                                          true);  // reset the tickmarks
2404       }
2405
2406       // Iterate to the next frame. The frame will not necessarily scope, for
2407       // example if it is not visible.
2408       search_frame = search_frame->traverseNext(true);
2409     } while (search_frame != main_frame);
2410   }
2411 }
2412
2413 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2414   WebView* view = webview();
2415   if (!view)
2416     return;
2417
2418   blink::WebPlugin* plugin = GetWebPluginForFind();
2419   if (plugin) {
2420     plugin->stopFind();
2421     return;
2422   }
2423
2424   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2425   if (clear_selection) {
2426     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2427                                          GetFocusedElement());
2428   }
2429
2430   WebFrame* frame = view->mainFrame();
2431   while (frame) {
2432     frame->stopFinding(clear_selection);
2433     frame = frame->traverseNext(false);
2434   }
2435
2436   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2437     WebFrame* focused_frame = view->focusedFrame();
2438     if (focused_frame) {
2439       WebDocument doc = focused_frame->document();
2440       if (!doc.isNull()) {
2441         WebElement element = doc.focusedElement();
2442         if (!element.isNull())
2443           element.simulateClick();
2444       }
2445     }
2446   }
2447 }
2448
2449 #if defined(OS_ANDROID)
2450 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2451                                                  float x, float y) {
2452   if (!webview())
2453       return;
2454
2455   WebFrame* main_frame = webview()->mainFrame();
2456   WebRect selection_rect;
2457   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2458                                                    &selection_rect);
2459   if (ordinal == -1) {
2460     // Something went wrong, so send a no-op reply (force the main_frame to
2461     // report the current match count) in case the host is waiting for a
2462     // response due to rate-limiting).
2463     main_frame->increaseMatchCount(0, request_id);
2464     return;
2465   }
2466
2467   SendFindReply(request_id,
2468                 -1 /* number_of_matches */,
2469                 ordinal,
2470                 selection_rect,
2471                 true /* final_update */);
2472 }
2473
2474 void RenderViewImpl::OnFindMatchRects(int current_version) {
2475   if (!webview())
2476       return;
2477
2478   WebFrame* main_frame = webview()->mainFrame();
2479   std::vector<gfx::RectF> match_rects;
2480
2481   int rects_version = main_frame->findMatchMarkersVersion();
2482   if (current_version != rects_version) {
2483     WebVector<WebFloatRect> web_match_rects;
2484     main_frame->findMatchRects(web_match_rects);
2485     match_rects.reserve(web_match_rects.size());
2486     for (size_t i = 0; i < web_match_rects.size(); ++i)
2487       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2488   }
2489
2490   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2491   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2492                                                rects_version,
2493                                                match_rects,
2494                                                active_rect));
2495 }
2496 #endif
2497
2498 void RenderViewImpl::OnResetPageScale() {
2499   if (!webview())
2500     return;
2501   webview()->setPageScaleFactor(1);
2502 }
2503
2504 void RenderViewImpl::OnZoom(PageZoom zoom) {
2505   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2506     return;
2507
2508   webview()->hidePopups();
2509
2510   double old_zoom_level = webview()->zoomLevel();
2511   double zoom_level;
2512   if (zoom == PAGE_ZOOM_RESET) {
2513     zoom_level = 0;
2514   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2515     // Previous zoom level is a whole number, so just increment/decrement.
2516     zoom_level = old_zoom_level + zoom;
2517   } else {
2518     // Either the user hit the zoom factor limit and thus the zoom level is now
2519     // not a whole number, or a plugin changed it to a custom value.  We want
2520     // to go to the next whole number so that the user can always get back to
2521     // 100% with the keyboard/menu.
2522     if ((old_zoom_level > 1 && zoom > 0) ||
2523         (old_zoom_level < 1 && zoom < 0)) {
2524       zoom_level = static_cast<int>(old_zoom_level + zoom);
2525     } else {
2526       // We're going towards 100%, so first go to the next whole number.
2527       zoom_level = static_cast<int>(old_zoom_level);
2528     }
2529   }
2530   SetZoomLevel(zoom_level);
2531   zoomLevelChanged();
2532 }
2533
2534 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2535                                                  double zoom_level) {
2536 #if !defined(OS_ANDROID)
2537   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2538   // for legacy WebView text scaling emulation. Thus, the code that resets
2539   // the zoom level from this map will be effectively resetting text zoom level.
2540   host_zoom_levels_[url] = zoom_level;
2541 #endif
2542 }
2543
2544 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2545                                            double level) {
2546   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2547
2548   webview()->hidePopups();
2549   SetZoomLevel(level);
2550 }
2551
2552 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2553   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2554 }
2555
2556 void RenderViewImpl::OnResetPageEncodingToDefault() {
2557   WebString no_encoding;
2558   webview()->setPageEncoding(no_encoding);
2559 }
2560
2561 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2562   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2563       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2564     // WebUIExtensionData deletes itself when we're destroyed.
2565     new WebUIExtensionData(this);
2566     // WebUIMojo deletes itself when we're destroyed.
2567     new WebUIMojo(this);
2568   }
2569
2570   enabled_bindings_ |= enabled_bindings_flags;
2571
2572   // Keep track of the total bindings accumulated in this process.
2573   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2574 }
2575
2576 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2577                                            const gfx::Point& client_point,
2578                                            const gfx::Point& screen_point,
2579                                            WebDragOperationsMask ops,
2580                                            int key_modifiers) {
2581   WebDragOperation operation = webview()->dragTargetDragEnter(
2582       DropDataToWebDragData(drop_data),
2583       client_point,
2584       screen_point,
2585       ops,
2586       key_modifiers);
2587
2588   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2589 }
2590
2591 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2592                                           const gfx::Point& screen_point,
2593                                           WebDragOperationsMask ops,
2594                                           int key_modifiers) {
2595   WebDragOperation operation = webview()->dragTargetDragOver(
2596       client_point,
2597       screen_point,
2598       ops,
2599       key_modifiers);
2600
2601   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2602 }
2603
2604 void RenderViewImpl::OnDragTargetDragLeave() {
2605   webview()->dragTargetDragLeave();
2606 }
2607
2608 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2609                                       const gfx::Point& screen_point,
2610                                       int key_modifiers) {
2611   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2612 }
2613
2614 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2615                                        const gfx::Point& screen_point,
2616                                        WebDragOperation op) {
2617   webview()->dragSourceEndedAt(client_point, screen_point, op);
2618 }
2619
2620 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2621   webview()->dragSourceSystemDragEnded();
2622 }
2623
2624 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2625   webkit_preferences_ = prefs;
2626   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2627 }
2628
2629 void RenderViewImpl::OnEnumerateDirectoryResponse(
2630     int id,
2631     const std::vector<base::FilePath>& paths) {
2632   if (!enumeration_completions_[id])
2633     return;
2634
2635   WebVector<WebString> ws_file_names(paths.size());
2636   for (size_t i = 0; i < paths.size(); ++i)
2637     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2638
2639   enumeration_completions_[id]->didChooseFile(ws_file_names);
2640   enumeration_completions_.erase(id);
2641 }
2642
2643 void RenderViewImpl::OnFileChooserResponse(
2644     const std::vector<content::FileChooserFileInfo>& files) {
2645   // This could happen if we navigated to a different page before the user
2646   // closed the chooser.
2647   if (file_chooser_completions_.empty())
2648     return;
2649
2650   // Convert Chrome's SelectedFileInfo list to WebKit's.
2651   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2652       files.size());
2653   for (size_t i = 0; i < files.size(); ++i) {
2654     WebFileChooserCompletion::SelectedFileInfo selected_file;
2655     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2656     selected_file.displayName =
2657         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2658     if (files[i].file_system_url.is_valid()) {
2659       selected_file.fileSystemURL = files[i].file_system_url;
2660       selected_file.length = files[i].length;
2661       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2662       selected_file.isDirectory = files[i].is_directory;
2663     }
2664     selected_files[i] = selected_file;
2665   }
2666
2667   if (file_chooser_completions_.front()->completion)
2668     file_chooser_completions_.front()->completion->didChooseFile(
2669         selected_files);
2670   file_chooser_completions_.pop_front();
2671
2672   // If there are more pending file chooser requests, schedule one now.
2673   if (!file_chooser_completions_.empty()) {
2674     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2675         file_chooser_completions_.front()->params));
2676   }
2677 }
2678
2679 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2680                                         const gfx::Size& max_size) {
2681   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2682   if (!webview())
2683     return;
2684   auto_resize_mode_ = true;
2685   webview()->enableAutoResizeMode(min_size, max_size);
2686 }
2687
2688 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2689   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2690   if (!webview())
2691     return;
2692   auto_resize_mode_ = false;
2693   webview()->disableAutoResizeMode();
2694
2695   if (!new_size.IsEmpty()) {
2696     Resize(new_size,
2697            physical_backing_size_,
2698            top_controls_shrink_blink_size_,
2699            top_controls_height_,
2700            visible_viewport_size_,
2701            resizer_rect_,
2702            is_fullscreen_granted_,
2703            display_mode_,
2704            NO_RESIZE_ACK);
2705   }
2706 }
2707
2708 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2709   if (send_preferred_size_changes_)
2710     return;
2711   send_preferred_size_changes_ = true;
2712
2713   // Start off with an initial preferred size notification (in case
2714   // |didUpdateLayout| was already called).
2715   didUpdateLayout();
2716 }
2717
2718 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2719     const gfx::Size& disable_scrollbar_size_limit) {
2720   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2721 }
2722
2723 void RenderViewImpl::OnSetRendererPrefs(
2724     const RendererPreferences& renderer_prefs) {
2725   double old_zoom_level = renderer_preferences_.default_zoom_level;
2726   std::string old_accept_languages = renderer_preferences_.accept_languages;
2727
2728   renderer_preferences_ = renderer_prefs;
2729
2730   UpdateFontRenderingFromRendererPrefs();
2731   UpdateThemePrefs();
2732
2733 #if defined(USE_DEFAULT_RENDER_THEME)
2734   if (renderer_prefs.use_custom_colors) {
2735     WebColorName name = blink::WebColorWebkitFocusRingColor;
2736     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2737     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2738
2739     if (webview()) {
2740       webview()->setSelectionColors(
2741           renderer_prefs.active_selection_bg_color,
2742           renderer_prefs.active_selection_fg_color,
2743           renderer_prefs.inactive_selection_bg_color,
2744           renderer_prefs.inactive_selection_fg_color);
2745       webview()->themeChanged();
2746     }
2747   }
2748 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2749
2750   // If the zoom level for this page matches the old zoom default, and this
2751   // is not a plugin, update the zoom level to match the new default.
2752   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2753       !webview()->mainFrame()->document().isPluginDocument() &&
2754       !ZoomValuesEqual(old_zoom_level,
2755                        renderer_preferences_.default_zoom_level) &&
2756       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2757     SetZoomLevel(renderer_preferences_.default_zoom_level);
2758     zoomLevelChanged();
2759   }
2760
2761   if (webview() &&
2762       old_accept_languages != renderer_preferences_.accept_languages) {
2763     webview()->acceptLanguagesChanged();
2764   }
2765 }
2766
2767 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2768                                            const WebMediaPlayerAction& action) {
2769   if (webview())
2770     webview()->performMediaPlayerAction(action, location);
2771 }
2772
2773 void RenderViewImpl::OnOrientationChange() {
2774   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2775     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2776 }
2777
2778 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2779                                       const WebPluginAction& action) {
2780   if (webview())
2781     webview()->performPluginAction(action, location);
2782 }
2783
2784 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2785     const std::vector<GURL>& links,
2786     const std::vector<base::FilePath>& local_paths,
2787     const base::FilePath& local_directory_name) {
2788
2789   // Convert std::vector of GURLs to WebVector<WebURL>
2790   WebVector<WebURL> weburl_links(links);
2791
2792   // Convert std::vector of base::FilePath to WebVector<WebString>
2793   WebVector<WebString> webstring_paths(local_paths.size());
2794   for (size_t i = 0; i < local_paths.size(); i++)
2795     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2796
2797   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2798                                true,
2799                                this,
2800                                weburl_links,
2801                                webstring_paths,
2802                                local_directory_name.AsUTF16Unsafe());
2803 }
2804
2805 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2806   // Don't show any more dialogs until we finish OnSwapOut.
2807   suppress_dialogs_until_swap_out_ = true;
2808 }
2809
2810 void RenderViewImpl::OnClosePage() {
2811   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2812   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2813   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2814   // in the onunload handler from appearing.  For now, we're bypassing that and
2815   // calling the FrameLoader's CloseURL method directly.  This should be
2816   // revisited to avoid having two ways to close a page.  Having a single way
2817   // to close that can run onunload is also useful for fixing
2818   // http://b/issue?id=753080.
2819   webview()->mainFrame()->dispatchUnloadEvent();
2820
2821   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2822 }
2823
2824 void RenderViewImpl::OnClose() {
2825   if (closing_)
2826     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2827   RenderWidget::OnClose();
2828 }
2829
2830 void RenderViewImpl::OnThemeChanged() {
2831 #if defined(USE_AURA)
2832   // Aura doesn't care if we switch themes.
2833 #elif defined(OS_WIN)
2834   ui::NativeThemeWin::instance()->CloseHandles();
2835   if (webview())
2836     webview()->themeChanged();
2837 #else  // defined(OS_WIN)
2838   // TODO(port): we don't support theming on non-Windows platforms yet
2839   NOTIMPLEMENTED();
2840 #endif
2841 }
2842
2843 void RenderViewImpl::OnMoveOrResizeStarted() {
2844   if (webview())
2845     webview()->hidePopups();
2846 }
2847
2848 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2849   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2850   if (webview()) {
2851     webview()->hidePopups();
2852     if (send_preferred_size_changes_) {
2853       webview()->mainFrame()->setCanHaveScrollbars(
2854           ShouldDisplayScrollbars(params.new_size.width(),
2855                                   params.new_size.height()));
2856     }
2857     if (display_mode_ != params.display_mode) {
2858       display_mode_ = params.display_mode;
2859       webview()->setDisplayMode(display_mode_);
2860     }
2861   }
2862
2863   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2864
2865   RenderWidget::OnResize(params);
2866
2867   if (old_visible_viewport_size != visible_viewport_size_)
2868     has_scrolled_focused_editable_node_into_rect_ = false;
2869 }
2870
2871 void RenderViewImpl::DidInitiatePaint() {
2872 #if defined(ENABLE_PLUGINS)
2873   // Notify all instances that we painted.  The same caveats apply as for
2874   // ViewFlushedPaint regarding instances closing themselves, so we take
2875   // similar precautions.
2876   PepperPluginSet plugins = active_pepper_instances_;
2877   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2878     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2879       (*i)->ViewInitiatedPaint();
2880   }
2881 #endif
2882 }
2883
2884 void RenderViewImpl::DidFlushPaint() {
2885   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2886   // See crbug.com/112921.
2887   if (!webview())
2888     return;
2889
2890   WebFrame* main_frame = webview()->mainFrame();
2891   for (WebFrame* frame = main_frame; frame;
2892        frame = frame->traverseNext(false)) {
2893     // TODO(nasko): This is a hack for the case in which the top-level
2894     // frame is being rendered in another process. It will not
2895     // behave correctly for out of process iframes.
2896     if (frame->isWebLocalFrame()) {
2897       main_frame = frame;
2898       break;
2899     }
2900   }
2901
2902   // There's nothing to do if there are no local frames in this RenderView's
2903   // frame tree. This can happen if DidFlushPaint is called after the
2904   // RenderView's local main frame is swapped to a remote frame. See
2905   // http://crbug.com/513552.
2906   if (main_frame->isWebRemoteFrame())
2907     return;
2908
2909   // If we have a provisional frame we are between the start and commit stages
2910   // of loading and we don't want to save stats.
2911   if (!main_frame->provisionalDataSource()) {
2912     WebDataSource* ds = main_frame->dataSource();
2913     if (!ds)
2914       return;
2915
2916     DocumentState* document_state = DocumentState::FromDataSource(ds);
2917
2918     // TODO(jar): The following code should all be inside a method, probably in
2919     // NavigatorState.
2920     Time now = Time::Now();
2921     if (document_state->first_paint_time().is_null()) {
2922       document_state->set_first_paint_time(now);
2923     }
2924     if (document_state->first_paint_after_load_time().is_null() &&
2925         !document_state->finish_load_time().is_null()) {
2926       document_state->set_first_paint_after_load_time(now);
2927     }
2928   }
2929 }
2930
2931 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
2932   WebFrame* main_frame = webview()->mainFrame();
2933   for (WebFrame* frame = main_frame; frame;
2934        frame = frame->traverseNext(false)) {
2935     // TODO(nasko): This is a hack for the case in which the top-level
2936     // frame is being rendered in another process. It will not
2937     // behave correctly for out of process iframes.
2938     if (frame->isWebLocalFrame()) {
2939       main_frame = frame;
2940       break;
2941     }
2942   }
2943
2944   WebSize scroll_offset = main_frame->scrollOffset();
2945   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
2946 }
2947
2948 void RenderViewImpl::OnClearFocusedElement() {
2949   if (webview())
2950     webview()->clearFocusedElement();
2951 }
2952
2953 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
2954   if (webview())
2955     webview()->setIsTransparent(!opaque);
2956   if (compositor_)
2957     compositor_->setHasTransparentBackground(!opaque);
2958 }
2959
2960 void RenderViewImpl::OnSetActive(bool active) {
2961   if (webview())
2962     webview()->setIsActive(active);
2963
2964 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
2965   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
2966   for (plugin_it = plugin_delegates_.begin();
2967        plugin_it != plugin_delegates_.end(); ++plugin_it) {
2968     (*plugin_it)->SetWindowFocus(active);
2969   }
2970 #endif
2971 }
2972
2973 #if defined(OS_MACOSX)
2974 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
2975 #if defined(ENABLE_PLUGINS)
2976   // Inform plugins that their container has changed visibility.
2977   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
2978   for (plugin_it = plugin_delegates_.begin();
2979        plugin_it != plugin_delegates_.end(); ++plugin_it) {
2980     (*plugin_it)->SetContainerVisibility(visible);
2981   }
2982 #endif
2983 }
2984
2985 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
2986                                           const gfx::Rect& view_frame) {
2987 #if defined(ENABLE_PLUGINS)
2988   // Inform plugins that their window's frame has changed.
2989   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
2990   for (plugin_it = plugin_delegates_.begin();
2991        plugin_it != plugin_delegates_.end(); ++plugin_it) {
2992     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
2993   }
2994 #endif
2995 }
2996
2997 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
2998                                                      int plugin_id) {
2999   // WebPluginDelegateProxy is responsible for figuring out if this event
3000   // applies to it or not, so inform all the delegates.
3001   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3002   for (plugin_it = plugin_delegates_.begin();
3003        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3004     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3005   }
3006 }
3007 #endif  // OS_MACOSX
3008
3009 void RenderViewImpl::Close() {
3010   // We need to grab a pointer to the doomed WebView before we destroy it.
3011   WebView* doomed = webview();
3012   RenderWidget::Close();
3013   g_view_map.Get().erase(doomed);
3014   g_routing_id_view_map.Get().erase(routing_id_);
3015   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3016 }
3017
3018 void RenderViewImpl::DidHandleKeyEvent() {
3019   ClearEditCommands();
3020 }
3021
3022 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3023   possible_drag_event_info_.event_source =
3024       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3025   possible_drag_event_info_.event_location =
3026       gfx::Point(event.globalX, event.globalY);
3027
3028 #if defined(ENABLE_PLUGINS)
3029   // This method is called for every mouse event that the render view receives.
3030   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3031   // event target. Potentially a Pepper plugin will receive the event.
3032   // In order to tell whether a plugin gets the last mouse event and which it
3033   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3034   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3035   // |pepper_last_mouse_event_target_|.
3036   pepper_last_mouse_event_target_ = NULL;
3037 #endif
3038
3039   // If the mouse is locked, only the current owner of the mouse lock can
3040   // process mouse events.
3041   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3042 }
3043
3044 bool RenderViewImpl::WillHandleGestureEvent(
3045     const blink::WebGestureEvent& event) {
3046   possible_drag_event_info_.event_source =
3047       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3048   possible_drag_event_info_.event_location =
3049       gfx::Point(event.globalX, event.globalY);
3050   return false;
3051 }
3052
3053 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3054   if (!webview())
3055     return false;
3056   return webview()->hasTouchEventHandlersAt(point);
3057 }
3058
3059 void RenderViewImpl::OnWasHidden() {
3060   RenderWidget::OnWasHidden();
3061
3062 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3063   RenderThreadImpl::current()->video_capture_impl_manager()->
3064       SuspendDevices(true);
3065   if (speech_recognition_dispatcher_)
3066     speech_recognition_dispatcher_->AbortAllRecognitions();
3067 #endif
3068
3069   if (webview())
3070     webview()->setVisibilityState(visibilityState(), false);
3071
3072 #if defined(ENABLE_PLUGINS)
3073   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3074        i != active_pepper_instances_.end(); ++i)
3075     (*i)->PageVisibilityChanged(false);
3076
3077 #if defined(OS_MACOSX)
3078   // Inform NPAPI plugins that their container is no longer visible.
3079   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3080   for (plugin_it = plugin_delegates_.begin();
3081        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3082     (*plugin_it)->SetContainerVisibility(false);
3083   }
3084 #endif  // OS_MACOSX
3085 #endif // ENABLE_PLUGINS
3086 }
3087
3088 void RenderViewImpl::OnWasShown(bool needs_repainting,
3089                                 const ui::LatencyInfo& latency_info) {
3090   RenderWidget::OnWasShown(needs_repainting, latency_info);
3091
3092 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3093   RenderThreadImpl::current()->video_capture_impl_manager()->
3094       SuspendDevices(false);
3095 #endif
3096
3097   if (webview())
3098     webview()->setVisibilityState(visibilityState(), false);
3099
3100 #if defined(ENABLE_PLUGINS)
3101   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3102        i != active_pepper_instances_.end(); ++i)
3103     (*i)->PageVisibilityChanged(true);
3104
3105 #if defined(OS_MACOSX)
3106   // Inform NPAPI plugins that their container is now visible.
3107   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3108   for (plugin_it = plugin_delegates_.begin();
3109        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3110     (*plugin_it)->SetContainerVisibility(true);
3111   }
3112 #endif  // OS_MACOSX
3113 #endif  // ENABLE_PLUGINS
3114 }
3115
3116 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3117   DCHECK(webview());
3118   if (webview()->mainFrame()->isWebLocalFrame())
3119     return GURL(webview()->mainFrame()->document().url());
3120   else
3121     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3122 }
3123
3124 void RenderViewImpl::OnSetFocus(bool enable) {
3125   RenderWidget::OnSetFocus(enable);
3126
3127 #if defined(ENABLE_PLUGINS)
3128   if (webview() && webview()->isActive()) {
3129     // Notify all NPAPI plugins.
3130     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3131     for (plugin_it = plugin_delegates_.begin();
3132          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3133 #if defined(OS_MACOSX)
3134       // RenderWidget's call to setFocus can cause the underlying webview's
3135       // activation state to change just like a call to setIsActive.
3136       if (enable)
3137         (*plugin_it)->SetWindowFocus(true);
3138 #endif
3139       (*plugin_it)->SetContentAreaFocus(enable);
3140     }
3141   }
3142   // Notify all Pepper plugins.
3143   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3144        i != active_pepper_instances_.end(); ++i)
3145     (*i)->SetContentAreaFocus(enable);
3146 #endif
3147   // Notify all BrowserPlugins of the RenderView's focus state.
3148   if (BrowserPluginManager::Get())
3149     BrowserPluginManager::Get()->UpdateFocusState();
3150 }
3151
3152 void RenderViewImpl::OnImeSetComposition(
3153     const base::string16& text,
3154     const std::vector<blink::WebCompositionUnderline>& underlines,
3155     int selection_start,
3156     int selection_end) {
3157 #if defined(ENABLE_PLUGINS)
3158   if (focused_pepper_plugin_) {
3159     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3160         text, underlines, selection_start, selection_end);
3161     return;
3162   }
3163
3164 #if defined(OS_WIN)
3165   // When a plugin has focus, we create platform-specific IME data used by
3166   // our IME emulator and send it directly to the focused plugin, i.e. we
3167   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3168   // instance ID is the same one as the specified ID.)
3169   if (focused_plugin_id_ >= 0) {
3170     std::vector<int> clauses;
3171     std::vector<int> target;
3172     for (size_t i = 0; i < underlines.size(); ++i) {
3173       clauses.push_back(underlines[i].startOffset);
3174       clauses.push_back(underlines[i].endOffset);
3175       if (underlines[i].thick) {
3176         target.clear();
3177         target.push_back(underlines[i].startOffset);
3178         target.push_back(underlines[i].endOffset);
3179       }
3180     }
3181     std::set<WebPluginDelegateProxy*>::iterator it;
3182     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3183       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3184                                    focused_plugin_id_);
3185     }
3186     return;
3187   }
3188 #endif  // OS_WIN
3189 #endif  // ENABLE_PLUGINS
3190   RenderWidget::OnImeSetComposition(text,
3191                                     underlines,
3192                                     selection_start,
3193                                     selection_end);
3194 }
3195
3196 void RenderViewImpl::OnImeConfirmComposition(
3197     const base::string16& text,
3198     const gfx::Range& replacement_range,
3199     bool keep_selection) {
3200 #if defined(ENABLE_PLUGINS)
3201   if (focused_pepper_plugin_) {
3202     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3203         text, replacement_range, keep_selection);
3204     return;
3205   }
3206 #if defined(OS_WIN)
3207   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3208   // plugins. When we send IME text directly to plugins, we should not send
3209   // it to WebKit to prevent WebKit from controlling IMEs.
3210   // TODO(thakis): Honor |replacement_range| for plugins?
3211   if (focused_plugin_id_ >= 0) {
3212     std::set<WebPluginDelegateProxy*>::iterator it;
3213     for (it = plugin_delegates_.begin();
3214           it != plugin_delegates_.end(); ++it) {
3215       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3216     }
3217     return;
3218   }
3219 #endif  // OS_WIN
3220 #endif  // ENABLE_PLUGINS
3221   if (replacement_range.IsValid() && webview()) {
3222     // Select the text in |replacement_range|, it will then be replaced by
3223     // text added by the call to RenderWidget::OnImeConfirmComposition().
3224     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3225       WebRange webrange = WebRange::fromDocumentRange(
3226           frame, replacement_range.start(), replacement_range.length());
3227       if (!webrange.isNull())
3228         frame->selectRange(webrange);
3229     }
3230   }
3231   RenderWidget::OnImeConfirmComposition(text,
3232                                         replacement_range,
3233                                         keep_selection);
3234 }
3235
3236 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3237   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3238   if (webview()) {
3239     webview()->setDeviceScaleFactor(device_scale_factor);
3240     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3241         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3242   }
3243   if (auto_resize_mode_)
3244     AutoResizeCompositor();
3245 }
3246
3247 bool RenderViewImpl::SetDeviceColorProfile(
3248     const std::vector<char>& profile) {
3249   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3250   if (changed && webview()) {
3251     WebVector<char> colorProfile = profile;
3252     webview()->setDeviceColorProfile(colorProfile);
3253   }
3254   return changed;
3255 }
3256
3257 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3258   RenderWidget::ResetDeviceColorProfileForTesting();
3259   if (webview())
3260     webview()->resetDeviceColorProfile();
3261 }
3262
3263 ui::TextInputType RenderViewImpl::GetTextInputType() {
3264 #if defined(ENABLE_PLUGINS)
3265   if (focused_pepper_plugin_)
3266     return focused_pepper_plugin_->text_input_type();
3267 #endif
3268   return RenderWidget::GetTextInputType();
3269 }
3270
3271 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3272 #if defined(ENABLE_PLUGINS)
3273   if (focused_pepper_plugin_) {
3274     // TODO(kinaba) http://crbug.com/101101
3275     // Current Pepper IME API does not handle selection bounds. So we simply
3276     // use the caret position as an empty range for now. It will be updated
3277     // after Pepper API equips features related to surrounding text retrieval.
3278     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3279     *start = caret;
3280     *end = caret;
3281     return;
3282   }
3283 #endif
3284   RenderWidget::GetSelectionBounds(start, end);
3285 }
3286
3287 void RenderViewImpl::FocusChangeComplete() {
3288   RenderWidget::FocusChangeComplete();
3289   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3290 }
3291
3292 void RenderViewImpl::GetCompositionCharacterBounds(
3293     std::vector<gfx::Rect>* bounds) {
3294   DCHECK(bounds);
3295   bounds->clear();
3296
3297 #if defined(ENABLE_PLUGINS)
3298   if (focused_pepper_plugin_) {
3299     return;
3300   }
3301 #endif
3302
3303   if (!webview())
3304     return;
3305   size_t start_offset = 0;
3306   size_t character_count = 0;
3307   if (!webview()->compositionRange(&start_offset, &character_count))
3308     return;
3309   if (character_count == 0)
3310     return;
3311
3312   blink::WebFrame* frame = webview()->focusedFrame();
3313   if (!frame)
3314     return;
3315
3316   bounds->reserve(character_count);
3317   blink::WebRect webrect;
3318   for (size_t i = 0; i < character_count; ++i) {
3319     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3320       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3321       bounds->clear();
3322       return;
3323     }
3324     bounds->push_back(webrect);
3325   }
3326 }
3327
3328 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3329 #if defined(ENABLE_PLUGINS)
3330   if (focused_pepper_plugin_) {
3331     return;
3332   }
3333 #endif
3334   RenderWidget::GetCompositionRange(range);
3335 }
3336
3337 bool RenderViewImpl::CanComposeInline() {
3338 #if defined(ENABLE_PLUGINS)
3339   if (focused_pepper_plugin_)
3340     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3341 #endif
3342   return true;
3343 }
3344
3345 void RenderViewImpl::DidCompletePageScaleAnimation() {
3346   FocusChangeComplete();
3347 }
3348
3349 #if defined(OS_ANDROID)
3350 bool RenderViewImpl::DoesRecordFullLayer() const {
3351   return webkit_preferences_.record_whole_document;
3352 }
3353 #endif
3354
3355 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3356     bool enabled,
3357     const blink::WebDeviceEmulationParams& params) {
3358   if (webview() && compositor()) {
3359     if (enabled)
3360       webview()->enableDeviceEmulation(params);
3361     else
3362       webview()->disableDeviceEmulation();
3363   }
3364 }
3365
3366 bool RenderViewImpl::ScheduleFileChooser(
3367     const FileChooserParams& params,
3368     WebFileChooserCompletion* completion) {
3369   static const size_t kMaximumPendingFileChooseRequests = 4;
3370   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3371     // This sanity check prevents too many file choose requests from getting
3372     // queued which could DoS the user. Getting these is most likely a
3373     // programming error (there are many ways to DoS the user so it's not
3374     // considered a "real" security check), either in JS requesting many file
3375     // choosers to pop up, or in a plugin.
3376     //
3377     // TODO(brettw) we might possibly want to require a user gesture to open
3378     // a file picker, which will address this issue in a better way.
3379     return false;
3380   }
3381
3382   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3383       new PendingFileChooser(params, completion)));
3384   if (file_chooser_completions_.size() == 1) {
3385     // Actually show the browse dialog when this is the first request.
3386     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3387   }
3388   return true;
3389 }
3390
3391 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3392   if (!speech_recognition_dispatcher_)
3393     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3394   return speech_recognition_dispatcher_;
3395 }
3396
3397 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3398                                        double maximum_level) {
3399   // Round the double to avoid returning incorrect minimum/maximum zoom
3400   // percentages.
3401   int minimum_percent = round(
3402       ZoomLevelToZoomFactor(minimum_level) * 100);
3403   int maximum_percent = round(
3404       ZoomLevelToZoomFactor(maximum_level) * 100);
3405
3406   Send(new ViewHostMsg_UpdateZoomLimits(
3407       routing_id_, minimum_percent, maximum_percent));
3408 }
3409
3410 void RenderViewImpl::zoomLevelChanged() {
3411   double zoom_level = webview()->zoomLevel();
3412
3413   // Do not send empty URLs to the browser when we are just setting the default
3414   // zoom level (from RendererPreferences) before the first navigation.
3415   if (!webview()->mainFrame()->document().url().isEmpty()) {
3416     // Tell the browser which url got zoomed so it can update the menu and the
3417     // saved values if necessary
3418     Send(new ViewHostMsg_DidZoomURL(
3419         routing_id_, zoom_level,
3420         GURL(webview()->mainFrame()->document().url())));
3421   }
3422 }
3423
3424 void RenderViewImpl::pageScaleFactorChanged() {
3425   if (!webview())
3426     return;
3427   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3428   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3429     return;
3430   page_scale_factor_is_one_ = page_scale_factor_is_one;
3431   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3432                                                    page_scale_factor_is_one_));
3433 }
3434
3435 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3436   return ZoomLevelToZoomFactor(zoom_level);
3437 }
3438
3439 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3440   return ZoomFactorToZoomLevel(factor);
3441 }
3442
3443 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3444   blink::WebPageVisibilityState current_state = is_hidden() ?
3445       blink::WebPageVisibilityStateHidden :
3446       blink::WebPageVisibilityStateVisible;
3447   blink::WebPageVisibilityState override_state = current_state;
3448   // TODO(jam): move this method to WebFrameClient.
3449   if (GetContentClient()->renderer()->
3450           ShouldOverridePageVisibilityState(main_render_frame_,
3451                                             &override_state))
3452     return override_state;
3453   return current_state;
3454 }
3455
3456 void RenderViewImpl::draggableRegionsChanged() {
3457   FOR_EACH_OBSERVER(
3458       RenderViewObserver,
3459       observers_,
3460       DraggableRegionsChanged(webview()->mainFrame()));
3461 }
3462
3463 #if defined(OS_ANDROID)
3464 WebContentDetectionResult RenderViewImpl::detectContentAround(
3465     const WebHitTestResult& touch_hit) {
3466   DCHECK(touch_hit.node().isTextNode());
3467
3468   // Process the position with all the registered content detectors until
3469   // a match is found. Priority is provided by their relative order.
3470   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3471       it != content_detectors_.end(); ++it) {
3472     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3473     if (content.valid) {
3474       return WebContentDetectionResult(content.content_boundaries,
3475           base::UTF8ToUTF16(content.text), content.intent_url);
3476     }
3477   }
3478   return WebContentDetectionResult();
3479 }
3480
3481 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3482   // Introduce a short delay so that the user can notice the content.
3483   base::MessageLoop::current()->PostDelayedTask(
3484       FROM_HERE,
3485       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3486                  AsWeakPtr(),
3487                  intent,
3488                  expected_content_intent_id_),
3489       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3490 }
3491
3492 void RenderViewImpl::cancelScheduledContentIntents() {
3493   ++expected_content_intent_id_;
3494 }
3495
3496 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3497                                                 size_t request_id) {
3498   if (request_id != expected_content_intent_id_)
3499     return;
3500
3501   // Remove the content highlighting if any.
3502   ScheduleComposite();
3503
3504   if (!intent.is_empty())
3505     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3506 }
3507
3508 bool RenderViewImpl::openDateTimeChooser(
3509     const blink::WebDateTimeChooserParams& params,
3510     blink::WebDateTimeChooserCompletion* completion) {
3511   // JavaScript may try to open a date time chooser while one is already open.
3512   if (date_time_picker_client_)
3513     return false;
3514   date_time_picker_client_.reset(
3515       new RendererDateTimePicker(this, params, completion));
3516   return date_time_picker_client_->Open();
3517 }
3518
3519 void RenderViewImpl::DismissDateTimeDialog() {
3520   DCHECK(date_time_picker_client_);
3521   date_time_picker_client_.reset(NULL);
3522 }
3523
3524 #endif  // defined(OS_ANDROID)
3525
3526 void RenderViewImpl::OnShowContextMenu(
3527     ui::MenuSourceType source_type, const gfx::Point& location) {
3528   context_menu_source_type_ = source_type;
3529   has_host_context_menu_location_ = true;
3530   host_context_menu_location_ = location;
3531   if (webview())
3532     webview()->showContextMenu();
3533   has_host_context_menu_location_ = false;
3534 }
3535
3536 void RenderViewImpl::OnEnableViewSourceMode() {
3537   if (!webview())
3538     return;
3539   WebFrame* main_frame = webview()->mainFrame();
3540   if (!main_frame)
3541     return;
3542   main_frame->enableViewSourceMode(true);
3543 }
3544
3545 #if defined(OS_ANDROID) || defined(USE_AURA)
3546 bool RenderViewImpl::didTapMultipleTargets(
3547     const WebSize& inner_viewport_offset,
3548     const WebRect& touch_rect,
3549     const WebVector<WebRect>& target_rects) {
3550   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3551
3552   // Never show a disambiguation popup when accessibility is enabled,
3553   // as this interferes with "touch exploration".
3554   AccessibilityMode accessibility_mode =
3555       GetMainRenderFrame()->accessibility_mode();
3556   bool matches_accessibility_mode_complete =
3557       (accessibility_mode & AccessibilityModeComplete) ==
3558           AccessibilityModeComplete;
3559   if (matches_accessibility_mode_complete)
3560     return false;
3561
3562   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3563   // reference frame.
3564   gfx::Rect zoom_rect;
3565   float new_total_scale =
3566       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3567           touch_rect, target_rects, GetSize(),
3568           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3569           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3570   if (!new_total_scale || zoom_rect.IsEmpty())
3571     return false;
3572
3573   bool handled = false;
3574   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3575     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3576       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3577       break;
3578     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3579       gfx::Size canvas_size =
3580           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3581       cc::SharedBitmapManager* manager =
3582           RenderThreadImpl::current()->shared_bitmap_manager();
3583       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3584           manager->AllocateSharedBitmap(canvas_size);
3585       CHECK(!!shared_bitmap);
3586       {
3587         SkBitmap bitmap;
3588         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3589                                                       canvas_size.height());
3590         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3591         SkCanvas canvas(bitmap);
3592
3593         // TODO(trchen): Cleanup the device scale factor mess.
3594         // device scale will be applied in WebKit
3595         // --> zoom_rect doesn't include device scale,
3596         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3597         canvas.scale(new_total_scale / device_scale_factor_,
3598                      new_total_scale / device_scale_factor_);
3599         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3600                          -zoom_rect.y() * device_scale_factor_);
3601
3602         DCHECK(webwidget_->isAcceleratedCompositingActive());
3603         // TODO(aelias): The disambiguation popup should be composited so we
3604         // don't have to call this method.
3605         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3606       }
3607
3608       gfx::Rect zoom_rect_in_screen =
3609           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3610                                     inner_viewport_offset.height);
3611
3612       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3613           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3614
3615       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3616                                                    physical_window_zoom_rect,
3617                                                    canvas_size,
3618                                                    shared_bitmap->id()));
3619       cc::SharedBitmapId id = shared_bitmap->id();
3620       disambiguation_bitmaps_[id] = shared_bitmap.release();
3621       handled = true;
3622       break;
3623     }
3624     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3625       // No-op.
3626       break;
3627   }
3628
3629   return handled;
3630 }
3631 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3632
3633 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3634   return history_list_length_;
3635 }
3636
3637 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3638   if (enable) {
3639     if (has_focus())
3640       return;
3641     OnSetActive(true);
3642     OnSetFocus(true);
3643   } else {
3644     if (!has_focus())
3645       return;
3646     OnSetFocus(false);
3647     OnSetActive(false);
3648   }
3649 }
3650
3651 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3652   ViewMsg_Resize_Params params;
3653   params.screen_info = screen_info_;
3654   params.screen_info.deviceScaleFactor = factor;
3655   params.new_size = size();
3656   params.visible_viewport_size = visible_viewport_size_;
3657   params.physical_backing_size =
3658       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3659   params.top_controls_shrink_blink_size = false;
3660   params.top_controls_height = 0.f;
3661   params.resizer_rect = WebRect();
3662   params.is_fullscreen_granted = is_fullscreen_granted();
3663   params.display_mode = display_mode_;
3664   OnResize(params);
3665 }
3666
3667 void RenderViewImpl::SetDeviceColorProfileForTesting(
3668     const std::vector<char>& color_profile) {
3669   SetDeviceColorProfile(color_profile);
3670 }
3671
3672 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3673   gfx::Rect new_window_rect(rootWindowRect().x,
3674                             rootWindowRect().y,
3675                             new_size.width(),
3676                             new_size.height());
3677   SetWindowRectSynchronously(new_window_rect);
3678 }
3679
3680 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3681   resizing_mode_selector_->set_is_synchronous_mode(enable);
3682 }
3683
3684 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3685                                                 const gfx::Size& max_size) {
3686   OnEnableAutoResize(min_size, max_size);
3687 }
3688
3689 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3690   OnDisableAutoResize(new_size);
3691 }
3692
3693 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3694     const cc::SharedBitmapId& id) {
3695   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3696   DCHECK(it != disambiguation_bitmaps_.end());
3697   delete it->second;
3698   disambiguation_bitmaps_.erase(it);
3699 }
3700
3701 void RenderViewImpl::DidCommitCompositorFrame() {
3702   RenderWidget::DidCommitCompositorFrame();
3703   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3704 }
3705
3706 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3707   if (!urls.empty())
3708     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3709 }
3710
3711 void RenderViewImpl::DidStopLoadingIcons() {
3712   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3713       WebIconURL::TypeTouch;
3714
3715   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3716   // just return early.
3717   if (webview()->mainFrame()->isWebRemoteFrame())
3718     return;
3719
3720   WebVector<WebIconURL> icon_urls =
3721       webview()->mainFrame()->iconURLs(icon_types);
3722
3723   std::vector<FaviconURL> urls;
3724   for (size_t i = 0; i < icon_urls.size(); i++) {
3725     WebURL url = icon_urls[i].iconURL();
3726     std::vector<gfx::Size> sizes;
3727     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3728     if (!url.isEmpty())
3729       urls.push_back(
3730           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3731   }
3732   SendUpdateFaviconURL(urls);
3733 }
3734
3735 }  // namespace content