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(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1354                         OnGetAllSavableResourceLinksForCurrentPage)
1355     IPC_MESSAGE_HANDLER(
1356         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1357         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1358     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1359     // TODO(viettrungluu): Move to a separate message filter.
1360     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1361                         OnSetHistoryOffsetAndLength)
1362     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1363     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1364                         OnReleaseDisambiguationPopupBitmap)
1365     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1366     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1367 #if defined(OS_ANDROID)
1368     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1369                         OnActivateNearestFindResult)
1370     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1371     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1372                         OnUpdateTopControlsState)
1373     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1374 #elif defined(OS_MACOSX)
1375     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1376                         OnGetRenderedText)
1377     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1378                         OnPluginImeCompositionCompleted)
1379     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1380     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1381     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1382     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1383 #endif
1384     // Adding a new message? Add platform independent ones first, then put the
1385     // platform specific ones at the end.
1386
1387     // Have the super handle all other messages.
1388     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1389   IPC_END_MESSAGE_MAP()
1390
1391   return handled;
1392 }
1393
1394 void RenderViewImpl::OnSelectWordAroundCaret() {
1395   if (!webview())
1396     return;
1397
1398   handling_input_event_ = true;
1399   webview()->focusedFrame()->selectWordAroundCaret();
1400   handling_input_event_ = false;
1401 }
1402
1403 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1404   webview()->copyImageAt(WebPoint(x, y));
1405 }
1406
1407 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1408   webview()->saveImageAt(WebPoint(x, y));
1409 }
1410
1411 void RenderViewImpl::OnUpdateTargetURLAck() {
1412   // Check if there is a targeturl waiting to be sent.
1413   if (target_url_status_ == TARGET_PENDING)
1414     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1415
1416   target_url_status_ = TARGET_NONE;
1417 }
1418
1419 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1420     const std::string& value) {
1421   if (!webview() || !webview()->focusedFrame())
1422     return;
1423
1424   webview()->focusedFrame()->executeCommand(
1425       WebString::fromUTF8(name), WebString::fromUTF8(value));
1426 }
1427
1428 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1429   if (!webview())
1430     return;
1431
1432   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1433
1434   webview()->focusedFrame()->moveCaretSelection(point);
1435 }
1436
1437 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1438     const gfx::Rect& rect) {
1439   if (has_scrolled_focused_editable_node_into_rect_ &&
1440       rect == rect_for_scrolled_focused_editable_node_) {
1441     FocusChangeComplete();
1442     return;
1443   }
1444
1445   blink::WebElement element = GetFocusedElement();
1446   bool will_animate = false;
1447   if (!element.isNull() && element.isEditable()) {
1448     rect_for_scrolled_focused_editable_node_ = rect;
1449     has_scrolled_focused_editable_node_into_rect_ = true;
1450     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1451   }
1452
1453   if (!will_animate)
1454     FocusChangeComplete();
1455 }
1456
1457 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1458     const EditCommands& edit_commands) {
1459   edit_commands_ = edit_commands;
1460 }
1461
1462 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1463                                                  int history_length) {
1464   DCHECK_GE(history_offset, -1);
1465   DCHECK_GE(history_length, 0);
1466
1467   history_list_offset_ = history_offset;
1468   history_list_length_ = history_length;
1469 }
1470
1471 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1472   if (!webview())
1473     return;
1474   webview()->setInitialFocus(reverse);
1475 }
1476
1477 #if defined(OS_MACOSX)
1478 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1479   if (!webview())
1480     return;
1481   if (in_live_resize)
1482     webview()->willStartLiveResize();
1483   else
1484     webview()->willEndLiveResize();
1485 }
1486 #endif
1487
1488 ///////////////////////////////////////////////////////////////////////////////
1489
1490 void RenderViewImpl::SendUpdateState() {
1491   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1492   if (!entry)
1493     return;
1494
1495   // Don't send state updates for kSwappedOutURL.
1496   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1497     return;
1498
1499   Send(new ViewHostMsg_UpdateState(
1500       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1501 }
1502
1503 void RenderViewImpl::ApplyWebPreferencesInternal(
1504     const WebPreferences& prefs,
1505     blink::WebView* web_view,
1506     CompositorDependencies* compositor_deps) {
1507   ApplyWebPreferences(prefs, web_view);
1508 #if defined(OS_MACOSX) && !defined(OS_IOS)
1509   DCHECK(compositor_deps);
1510   bool is_elastic_overscroll_enabled =
1511       compositor_deps->IsElasticOverscrollEnabled();
1512   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1513 #endif
1514 }
1515
1516 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1517   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1518   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1519   // it is particularly important that we do not call willEnterModalLoop as
1520   // that would defer resource loads for the dialog itself.
1521   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1522     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1523
1524   message->EnableMessagePumping();  // Runs a nested message loop.
1525   return Send(message);
1526 }
1527
1528 void RenderViewImpl::OnForceRedraw(int id) {
1529   ui::LatencyInfo latency_info;
1530   if (id) {
1531     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1532                                   0,
1533                                   id);
1534   }
1535   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1536   if (RenderWidgetCompositor* rwc = compositor()) {
1537     latency_info_swap_promise_monitor =
1538         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1539   }
1540   ScheduleCompositeWithForcedRedraw();
1541 }
1542
1543 // blink::WebViewClient ------------------------------------------------------
1544
1545 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1546                                     const WebURLRequest& request,
1547                                     const WebWindowFeatures& features,
1548                                     const WebString& frame_name,
1549                                     WebNavigationPolicy policy,
1550                                     bool suppress_opener) {
1551   ViewHostMsg_CreateWindow_Params params;
1552   params.opener_id = routing_id_;
1553   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1554   if (GetContentClient()->renderer()->AllowPopup())
1555     params.user_gesture = true;
1556   params.window_container_type = WindowFeaturesToContainerType(features);
1557   params.session_storage_namespace_id = session_storage_namespace_id_;
1558   if (frame_name != "_blank")
1559     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1560   params.opener_render_frame_id =
1561       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1562   params.opener_url = creator->document().url();
1563
1564   // The browser process uses the top frame's URL for a content settings check
1565   // to determine whether the popup is allowed.  If the top frame is remote,
1566   // its URL is not available, so use its replicated origin instead.
1567   //
1568   // TODO(alexmos): This works fine for regular origins but may break path
1569   // matching for file URLs with OOP subframes that open popups.  This should
1570   // be fixed by either moving this lookup to the browser process or removing
1571   // path-based matching for file URLs from content settings.  See
1572   // https://crbug.com/466297.
1573   if (creator->top()->isWebLocalFrame()) {
1574     params.opener_top_level_frame_url = creator->top()->document().url();
1575   } else {
1576     params.opener_top_level_frame_url =
1577         GURL(creator->top()->securityOrigin().toString());
1578   }
1579
1580   GURL security_url(creator->document().securityOrigin().toString());
1581   if (!security_url.is_valid())
1582     security_url = GURL();
1583   params.opener_security_origin = security_url;
1584   params.opener_suppressed = suppress_opener;
1585   params.disposition = NavigationPolicyToDisposition(policy);
1586   if (!request.isNull()) {
1587     params.target_url = request.url();
1588     params.referrer = GetReferrerFromRequest(creator, request);
1589   }
1590   params.features = features;
1591
1592   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1593     params.additional_features.push_back(features.additionalFeatures[i]);
1594
1595   int32 routing_id = MSG_ROUTING_NONE;
1596   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1597   int32 surface_id = 0;
1598   int64 cloned_session_storage_namespace_id = 0;
1599
1600   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1601       params, &routing_id, &main_frame_routing_id, &surface_id,
1602       &cloned_session_storage_namespace_id));
1603   if (routing_id == MSG_ROUTING_NONE)
1604     return NULL;
1605
1606   WebUserGestureIndicator::consumeUserGesture();
1607
1608   // While this view may be a background extension page, it can spawn a visible
1609   // render view. So we just assume that the new one is not another background
1610   // page instead of passing on our own value.
1611   // TODO(vangelis): Can we tell if the new view will be a background page?
1612   bool never_visible = false;
1613
1614   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1615   initial_size.screen_info = screen_info_;
1616
1617   // The initial hidden state for the RenderViewImpl here has to match what the
1618   // browser will eventually decide for the given disposition. Since we have to
1619   // return from this call synchronously, we just have to make our best guess
1620   // and rely on the browser sending a WasHidden / WasShown message if it
1621   // disagrees.
1622   ViewMsg_New_Params view_params;
1623
1624   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1625   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1626   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1627
1628   view_params.window_was_created_with_opener = true;
1629   view_params.renderer_preferences = renderer_preferences_;
1630   view_params.web_preferences = webkit_preferences_;
1631   view_params.view_id = routing_id;
1632   view_params.main_frame_routing_id = main_frame_routing_id;
1633   view_params.surface_id = surface_id;
1634   view_params.session_storage_namespace_id =
1635       cloned_session_storage_namespace_id;
1636   view_params.swapped_out = false;
1637   // WebCore will take care of setting the correct name.
1638   view_params.replicated_frame_state = FrameReplicationState();
1639   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1640   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1641   view_params.never_visible = never_visible;
1642   view_params.next_page_id = 1;
1643   view_params.initial_size = initial_size;
1644   view_params.enable_auto_resize = false;
1645   view_params.min_size = gfx::Size();
1646   view_params.max_size = gfx::Size();
1647
1648   RenderViewImpl* view =
1649       RenderViewImpl::Create(compositor_deps_, view_params, true);
1650   view->opened_by_user_gesture_ = params.user_gesture;
1651
1652   // Record whether the creator frame is trying to suppress the opener field.
1653   view->opener_suppressed_ = params.opener_suppressed;
1654
1655   return view->webview();
1656 }
1657
1658 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1659   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1660                                               popup_type, screen_info_);
1661   if (!widget)
1662     return NULL;
1663   if (screen_metrics_emulator_) {
1664     widget->SetPopupOriginAdjustmentsForEmulation(
1665         screen_metrics_emulator_.get());
1666   }
1667   return widget->webwidget();
1668 }
1669
1670 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1671   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1672   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1673 }
1674
1675 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1676   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1677                     PrintPage(frame, handling_input_event_));
1678 }
1679
1680 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1681   // Note: We should basically send GURL but we use size-limited string instead
1682   // in order to send a larger data url to save a image for <canvas> or <img>.
1683   if (data_url.length() < kMaxLengthOfDataURLString)
1684     Send(new ViewHostMsg_SaveImageFromDataURL(
1685         routing_id_, GetMainRenderFrame()->GetRoutingID(), data_url.utf8()));
1686 }
1687
1688 bool RenderViewImpl::enumerateChosenDirectory(
1689     const WebString& path,
1690     WebFileChooserCompletion* chooser_completion) {
1691   int id = enumeration_completion_id_++;
1692   enumeration_completions_[id] = chooser_completion;
1693   return Send(new ViewHostMsg_EnumerateDirectory(
1694       routing_id_,
1695       id,
1696       base::FilePath::FromUTF16Unsafe(path)));
1697 }
1698
1699 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1700   DCHECK_GE(frames_in_progress_, 0);
1701   if (frames_in_progress_ == 0)
1702     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1703   frames_in_progress_++;
1704 }
1705
1706 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1707   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1708   // calls DidStopLoading() without a matching DidStartLoading().
1709   if (frames_in_progress_ == 0)
1710     return;
1711   frames_in_progress_--;
1712   if (frames_in_progress_ == 0) {
1713     DidStopLoadingIcons();
1714     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1715   }
1716 }
1717
1718 void RenderViewImpl::SetZoomLevel(double zoom_level) {
1719   webview()->setZoomLevel(zoom_level);
1720   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
1721 }
1722
1723 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1724   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1725 }
1726
1727 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1728   if (edit_commands_.empty())
1729     return false;
1730
1731   WebFrame* frame = webview()->focusedFrame();
1732   if (!frame)
1733     return false;
1734
1735   EditCommands::iterator it = edit_commands_.begin();
1736   EditCommands::iterator end = edit_commands_.end();
1737
1738   bool did_execute_command = false;
1739   for (; it != end; ++it) {
1740     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1741     // key (but it's the exception). Once one edit command is not executed, it
1742     // seems safest to not execute the rest.
1743     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1744                                WebString::fromUTF8(it->value),
1745                                GetFocusedElement()))
1746       break;
1747     did_execute_command = true;
1748   }
1749
1750   return did_execute_command;
1751 }
1752
1753 bool RenderViewImpl::runFileChooser(
1754     const blink::WebFileChooserParams& params,
1755     WebFileChooserCompletion* chooser_completion) {
1756   // Do not open the file dialog in a hidden RenderView.
1757   if (is_hidden())
1758     return false;
1759   FileChooserParams ipc_params;
1760   if (params.directory)
1761     ipc_params.mode = FileChooserParams::UploadFolder;
1762   else if (params.multiSelect)
1763     ipc_params.mode = FileChooserParams::OpenMultiple;
1764   else if (params.saveAs)
1765     ipc_params.mode = FileChooserParams::Save;
1766   else
1767     ipc_params.mode = FileChooserParams::Open;
1768   ipc_params.title = params.title;
1769   ipc_params.default_file_name =
1770       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1771   ipc_params.accept_types.reserve(params.acceptTypes.size());
1772   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1773     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1774   ipc_params.need_local_path = params.needLocalPath;
1775 #if defined(OS_ANDROID)
1776   ipc_params.capture = params.useMediaCapture;
1777 #endif
1778
1779   return ScheduleFileChooser(ipc_params, chooser_completion);
1780 }
1781
1782 void RenderViewImpl::SetValidationMessageDirection(
1783     base::string16* wrapped_main_text,
1784     blink::WebTextDirection main_text_hint,
1785     base::string16* wrapped_sub_text,
1786     blink::WebTextDirection sub_text_hint) {
1787   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1788     *wrapped_main_text =
1789         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1790   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1791              !base::i18n::IsRTL()) {
1792     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1793   }
1794
1795   if (!wrapped_sub_text->empty()) {
1796     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1797       *wrapped_sub_text =
1798           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1799     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1800       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1801     }
1802   }
1803 }
1804
1805 void RenderViewImpl::showValidationMessage(
1806     const blink::WebRect& anchor_in_root_view,
1807     const blink::WebString& main_text,
1808     blink::WebTextDirection main_text_hint,
1809     const blink::WebString& sub_text,
1810     blink::WebTextDirection sub_text_hint) {
1811   base::string16 wrapped_main_text = main_text;
1812   base::string16 wrapped_sub_text = sub_text;
1813
1814   SetValidationMessageDirection(
1815       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1816
1817   Send(new ViewHostMsg_ShowValidationMessage(
1818       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1819       wrapped_main_text, wrapped_sub_text));
1820 }
1821
1822 void RenderViewImpl::hideValidationMessage() {
1823   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1824 }
1825
1826 void RenderViewImpl::moveValidationMessage(
1827     const blink::WebRect& anchor_in_root_view) {
1828   Send(new ViewHostMsg_MoveValidationMessage(
1829       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1830 }
1831
1832 void RenderViewImpl::setStatusText(const WebString& text) {
1833 }
1834
1835 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1836                                      const GURL& fallback_url) {
1837   GURL latest_url = url.is_empty() ? fallback_url : url;
1838   if (latest_url == target_url_)
1839     return;
1840
1841   // Tell the browser to display a destination link.
1842   if (target_url_status_ == TARGET_INFLIGHT ||
1843       target_url_status_ == TARGET_PENDING) {
1844     // If we have a request in-flight, save the URL to be sent when we
1845     // receive an ACK to the in-flight request. We can happily overwrite
1846     // any existing pending sends.
1847     pending_target_url_ = latest_url;
1848     target_url_status_ = TARGET_PENDING;
1849   } else {
1850     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1851     // see |ParamTraits<GURL>|.
1852     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1853       latest_url = GURL();
1854     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1855     target_url_ = latest_url;
1856     target_url_status_ = TARGET_INFLIGHT;
1857   }
1858 }
1859
1860 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1861     const gfx::RectF& rect) const {
1862   gfx::RectF window_rect = rect;
1863   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1864   return window_rect;
1865 }
1866
1867 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1868   int delay;
1869   if (send_content_state_immediately_)
1870     delay = 0;
1871   else if (is_hidden())
1872     delay = kDelaySecondsForContentStateSyncHidden;
1873   else
1874     delay = kDelaySecondsForContentStateSync;
1875
1876   if (nav_state_sync_timer_.IsRunning()) {
1877     // The timer is already running. If the delay of the timer maches the amount
1878     // we want to delay by, then return. Otherwise stop the timer so that it
1879     // gets started with the right delay.
1880     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1881       return;
1882     nav_state_sync_timer_.Stop();
1883   }
1884
1885   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1886                               &RenderViewImpl::SendUpdateState);
1887 }
1888
1889 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1890   mouse_over_url_ = GURL(url);
1891   UpdateTargetURL(mouse_over_url_, focus_url_);
1892 }
1893
1894 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1895   focus_url_ = GURL(url);
1896   UpdateTargetURL(focus_url_, mouse_over_url_);
1897 }
1898
1899 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1900                                    const WebDragData& data,
1901                                    WebDragOperationsMask mask,
1902                                    const WebImage& image,
1903                                    const WebPoint& webImageOffset) {
1904   DropData drop_data(DropDataBuilder::Build(data));
1905   drop_data.referrer_policy = frame->document().referrerPolicy();
1906   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1907   Send(new DragHostMsg_StartDragging(routing_id_,
1908                                      drop_data,
1909                                      mask,
1910                                      image.getSkBitmap(),
1911                                      imageOffset,
1912                                      possible_drag_event_info_));
1913 }
1914
1915 bool RenderViewImpl::acceptsLoadDrops() {
1916   return renderer_preferences_.can_accept_load_drops;
1917 }
1918
1919 void RenderViewImpl::focusNext() {
1920   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1921 }
1922
1923 void RenderViewImpl::focusPrevious() {
1924   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1925 }
1926
1927 // TODO(esprehn): Blink only ever passes Elements, this should take WebElement.
1928 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1929                                         const WebNode& toNode) {
1930   has_scrolled_focused_editable_node_into_rect_ = false;
1931
1932   gfx::Rect node_bounds;
1933   bool is_editable = false;
1934   if (!toNode.isNull() && toNode.isElementNode()) {
1935     WebElement element = const_cast<WebNode&>(toNode).to<WebElement>();
1936     node_bounds = gfx::Rect(element.boundsInViewportSpace());
1937     is_editable = element.isEditable();
1938   }
1939   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, is_editable,
1940                                           node_bounds));
1941
1942   // TODO(estade): remove.
1943   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1944
1945   RenderFrameImpl* previous_frame = nullptr;
1946   if (!fromNode.isNull())
1947     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1948   RenderFrameImpl* new_frame = nullptr;
1949   if (!toNode.isNull())
1950     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1951
1952   if (previous_frame && previous_frame != new_frame)
1953     previous_frame->FocusedNodeChanged(WebNode());
1954   if (new_frame)
1955     new_frame->FocusedNodeChanged(toNode);
1956
1957   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1958   if (main_render_frame_)
1959     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
1960 }
1961
1962 void RenderViewImpl::didUpdateLayout() {
1963   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1964
1965   // We don't always want to set up a timer, only if we've been put in that
1966   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1967   // message.
1968   if (!send_preferred_size_changes_ || !webview())
1969     return;
1970
1971   if (check_preferred_size_timer_.IsRunning())
1972     return;
1973   check_preferred_size_timer_.Start(FROM_HERE,
1974                                     TimeDelta::FromMilliseconds(0), this,
1975                                     &RenderViewImpl::CheckPreferredSize);
1976 }
1977
1978 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1979   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1980 }
1981
1982 int RenderViewImpl::historyBackListCount() {
1983   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1984 }
1985
1986 int RenderViewImpl::historyForwardListCount() {
1987   return history_list_length_ - historyBackListCount() - 1;
1988 }
1989
1990 // blink::WebWidgetClient ----------------------------------------------------
1991
1992 void RenderViewImpl::didFocus() {
1993   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1994   //                 we won't have to test for user gesture anymore and we can
1995   //                 move that code back to render_widget.cc
1996   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1997       !RenderThreadImpl::current()->layout_test_mode()) {
1998     Send(new ViewHostMsg_Focus(routing_id_));
1999   }
2000 }
2001
2002 void RenderViewImpl::didBlur() {
2003   // TODO(jcivelli): see TODO above in didFocus().
2004   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2005       !RenderThreadImpl::current()->layout_test_mode()) {
2006     Send(new ViewHostMsg_Blur(routing_id_));
2007   }
2008 }
2009
2010 // We are supposed to get a single call to Show for a newly created RenderView
2011 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2012 // point to dispatch the ShowView message.
2013 //
2014 // This method provides us with the information about how to display the newly
2015 // created RenderView (i.e., as a blocked popup or as a new tab).
2016 //
2017 void RenderViewImpl::show(WebNavigationPolicy policy) {
2018   if (did_show_) {
2019     // When supports_multiple_windows is disabled, popups are reusing
2020     // the same view. In some scenarios, this makes WebKit to call show() twice.
2021     if (webkit_preferences_.supports_multiple_windows)
2022       NOTREACHED() << "received extraneous Show call";
2023     return;
2024   }
2025   did_show_ = true;
2026
2027   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2028
2029   // NOTE: initial_rect_ may still have its default values at this point, but
2030   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2031   // browser process will impose a default position otherwise.
2032   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2033       NavigationPolicyToDisposition(policy), initial_rect_,
2034       opened_by_user_gesture_));
2035   SetPendingWindowRect(initial_rect_);
2036 }
2037
2038 bool RenderViewImpl::requestPointerLock() {
2039   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2040 }
2041
2042 void RenderViewImpl::requestPointerUnlock() {
2043   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2044 }
2045
2046 bool RenderViewImpl::isPointerLocked() {
2047   return mouse_lock_dispatcher_->IsMouseLockedTo(
2048       webwidget_mouse_lock_target_.get());
2049 }
2050
2051 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2052   FOR_EACH_OBSERVER(
2053       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2054 }
2055
2056 void RenderViewImpl::didHandleGestureEvent(
2057     const WebGestureEvent& event,
2058     bool event_cancelled) {
2059   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2060
2061   if (!event_cancelled) {
2062     FOR_EACH_OBSERVER(
2063         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2064   }
2065
2066   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2067   // crbug/420130.
2068 #if defined(OS_WIN)
2069   if (event.type != blink::WebGestureEvent::GestureTap)
2070     return;
2071
2072   // TODO(estade): hit test the event against focused node to make sure
2073   // the tap actually hit the focused node.
2074   blink::WebTextInputType text_input_type =
2075       GetWebView()->textInputInfo().type;
2076
2077   Send(new ViewHostMsg_FocusedNodeTouched(
2078       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2079 #endif
2080 }
2081
2082 void RenderViewImpl::initializeLayerTreeView() {
2083   RenderWidget::initializeLayerTreeView();
2084   RenderWidgetCompositor* rwc = compositor();
2085   if (!rwc)
2086     return;
2087
2088   bool use_threaded_event_handling = true;
2089 #if defined(OS_MACOSX) && !defined(OS_IOS)
2090   // Disable threaded event handling if content is not handling the elastic
2091   // overscroll effect. This includes the cases where the elastic overscroll
2092   // effect is being handled by Blink (because of command line flags) and older
2093   // operating system versions which do not have an elastic overscroll effect
2094   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2095   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2096 #endif
2097   if (use_threaded_event_handling) {
2098     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2099     // render_thread may be NULL in tests.
2100     InputHandlerManager* input_handler_manager =
2101         render_thread ? render_thread->input_handler_manager() : NULL;
2102     if (input_handler_manager) {
2103       input_handler_manager->AddInputHandler(
2104           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2105     }
2106   }
2107 }
2108
2109 // blink::WebFrameClient -----------------------------------------------------
2110
2111 void RenderViewImpl::Repaint(const gfx::Size& size) {
2112   OnRepaint(size);
2113 }
2114
2115 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2116                                                    const std::string& value) {
2117   EditCommands edit_commands;
2118   edit_commands.push_back(EditCommand(name, value));
2119   OnSetEditCommandsForNextKeyEvent(edit_commands);
2120 }
2121
2122 void RenderViewImpl::ClearEditCommands() {
2123   edit_commands_.clear();
2124 }
2125
2126 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2127   std::string security_info;
2128   if (frame && frame->dataSource())
2129     security_info = frame->dataSource()->response().securityInfo();
2130
2131   SSLStatus result;
2132   CHECK(DeserializeSecurityInfo(security_info, &result));
2133   return result;
2134 }
2135
2136 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2137   return renderer_preferences_.accept_languages;
2138 }
2139
2140 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2141                                    WebIconURL::Type icon_type) {
2142   if (frame->parent())
2143     return;
2144
2145   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2146   std::vector<FaviconURL> urls;
2147   for (size_t i = 0; i < icon_urls.size(); i++) {
2148     std::vector<gfx::Size> sizes;
2149     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2150     urls.push_back(FaviconURL(
2151         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2152   }
2153   SendUpdateFaviconURL(urls);
2154 }
2155
2156 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2157   StartNavStateSyncTimerIfNecessary();
2158 }
2159
2160 void RenderViewImpl::CheckPreferredSize() {
2161   // We don't always want to send the change messages over IPC, only if we've
2162   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2163   // message.
2164   if (!send_preferred_size_changes_ || !webview())
2165     return;
2166
2167   gfx::Size size = webview()->contentsPreferredMinimumSize();
2168   if (size == preferred_size_)
2169     return;
2170
2171   preferred_size_ = size;
2172   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2173                                                       preferred_size_));
2174 }
2175
2176 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2177   StartNavStateSyncTimerIfNecessary();
2178 }
2179
2180 void RenderViewImpl::SendFindReply(int request_id,
2181                                    int match_count,
2182                                    int ordinal,
2183                                    const WebRect& selection_rect,
2184                                    bool final_status_update) {
2185   Send(new ViewHostMsg_Find_Reply(routing_id_,
2186                                   request_id,
2187                                   match_count,
2188                                   selection_rect,
2189                                   ordinal,
2190                                   final_status_update));
2191 }
2192
2193 blink::WebString RenderViewImpl::acceptLanguages() {
2194   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2195 }
2196
2197 // blink::WebPageSerializerClient implementation ------------------------------
2198
2199 void RenderViewImpl::didSerializeDataForFrame(
2200     const WebURL& frame_url,
2201     const WebCString& data,
2202     WebPageSerializerClient::PageSerializationStatus status) {
2203   Send(new ViewHostMsg_SendSerializedHtmlData(
2204     routing_id(),
2205     frame_url,
2206     data.data(),
2207     static_cast<int32>(status)));
2208 }
2209
2210 // RenderView implementation ---------------------------------------------------
2211
2212 bool RenderViewImpl::Send(IPC::Message* message) {
2213   return RenderWidget::Send(message);
2214 }
2215
2216 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2217   return main_render_frame_;
2218 }
2219
2220 int RenderViewImpl::GetRoutingID() const {
2221   return routing_id_;
2222 }
2223
2224 gfx::Size RenderViewImpl::GetSize() const {
2225   return size();
2226 }
2227
2228 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2229   return webkit_preferences_;
2230 }
2231
2232 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2233   OnUpdateWebPreferences(preferences);
2234 }
2235
2236 blink::WebView* RenderViewImpl::GetWebView() {
2237   return webview();
2238 }
2239
2240 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2241   return (!send_preferred_size_changes_ ||
2242           (disable_scrollbars_size_limit_.width() <= width ||
2243            disable_scrollbars_size_limit_.height() <= height));
2244 }
2245
2246 int RenderViewImpl::GetEnabledBindings() const {
2247   return enabled_bindings_;
2248 }
2249
2250 bool RenderViewImpl::GetContentStateImmediately() const {
2251   return send_content_state_immediately_;
2252 }
2253
2254 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2255   return visibilityState();
2256 }
2257
2258 void RenderViewImpl::DidStartLoading() {
2259   main_render_frame_->didStartLoading(true);
2260 }
2261
2262 void RenderViewImpl::DidStopLoading() {
2263   main_render_frame_->didStopLoading();
2264 }
2265
2266 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2267   if (!webview())
2268     return WebElement();
2269   WebFrame* focused_frame = webview()->focusedFrame();
2270   if (focused_frame) {
2271     WebDocument doc = focused_frame->document();
2272     if (!doc.isNull())
2273       return doc.focusedElement();
2274   }
2275
2276   return WebElement();
2277 }
2278
2279 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2280   if (!webview())
2281     return NULL;
2282
2283   WebFrame* main_frame = webview()->mainFrame();
2284   if (main_frame->isWebLocalFrame() &&
2285       main_frame->document().isPluginDocument())
2286     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2287
2288 #if defined(ENABLE_PLUGINS)
2289   if (plugin_find_handler_)
2290     return plugin_find_handler_->container()->plugin();
2291 #endif
2292
2293   return NULL;
2294 }
2295
2296 void RenderViewImpl::OnFind(int request_id,
2297                             const base::string16& search_text,
2298                             const WebFindOptions& options) {
2299   WebFrame* main_frame = webview()->mainFrame();
2300   blink::WebPlugin* plugin = GetWebPluginForFind();
2301   // Check if the plugin still exists in the document.
2302   if (plugin) {
2303     if (options.findNext) {
2304       // Just navigate back/forward.
2305       plugin->selectFindResult(options.forward);
2306     } else {
2307       if (!plugin->startFind(
2308           search_text, options.matchCase, request_id)) {
2309         // Send "no results".
2310         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2311       }
2312     }
2313     return;
2314   }
2315
2316   WebFrame* frame_after_main = main_frame->traverseNext(true);
2317   WebFrame* focused_frame = webview()->focusedFrame();
2318   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2319
2320   bool multi_frame = (frame_after_main != main_frame);
2321
2322   // If we have multiple frames, we don't want to wrap the search within the
2323   // frame, so we check here if we only have main_frame in the chain.
2324   bool wrap_within_frame = !multi_frame;
2325
2326   WebRect selection_rect;
2327   bool result = false;
2328
2329   // If something is selected when we start searching it means we cannot just
2330   // increment the current match ordinal; we need to re-generate it.
2331   WebRange current_selection = focused_frame->selectionRange();
2332
2333   do {
2334     result = search_frame->find(
2335         request_id, search_text, options, wrap_within_frame, &selection_rect);
2336
2337     if (!result) {
2338       // don't leave text selected as you move to the next frame.
2339       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2340                                    GetFocusedElement());
2341
2342       // Find the next frame, but skip the invisible ones.
2343       do {
2344         // What is the next frame to search? (we might be going backwards). Note
2345         // that we specify wrap=true so that search_frame never becomes NULL.
2346         search_frame = options.forward ?
2347             search_frame->traverseNext(true) :
2348             search_frame->traversePrevious(true);
2349       } while (!search_frame->hasVisibleContent() &&
2350                search_frame != focused_frame);
2351
2352       // Make sure selection doesn't affect the search operation in new frame.
2353       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2354                                    GetFocusedElement());
2355
2356       // If we have multiple frames and we have wrapped back around to the
2357       // focused frame, we need to search it once more allowing wrap within
2358       // the frame, otherwise it will report 'no match' if the focused frame has
2359       // reported matches, but no frames after the focused_frame contain a
2360       // match for the search word(s).
2361       if (multi_frame && search_frame == focused_frame) {
2362         result = search_frame->find(
2363             request_id, search_text, options, true,  // Force wrapping.
2364             &selection_rect);
2365       }
2366     }
2367
2368     webview()->setFocusedFrame(search_frame);
2369   } while (!result && search_frame != focused_frame);
2370
2371   if (options.findNext && current_selection.isNull()) {
2372     // Force the main_frame to report the actual count.
2373     main_frame->increaseMatchCount(0, request_id);
2374   } else {
2375     // If nothing is found, set result to "0 of 0", otherwise, set it to
2376     // "-1 of 1" to indicate that we found at least one item, but we don't know
2377     // yet what is active.
2378     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2379     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2380
2381     // If we find no matches then this will be our last status update.
2382     // Otherwise the scoping effort will send more results.
2383     bool final_status_update = !result;
2384
2385     SendFindReply(request_id, match_count, ordinal, selection_rect,
2386                   final_status_update);
2387
2388     // Scoping effort begins, starting with the mainframe.
2389     search_frame = main_frame;
2390
2391     main_frame->resetMatchCount();
2392
2393     do {
2394       // Cancel all old scoping requests before starting a new one.
2395       search_frame->cancelPendingScopingEffort();
2396
2397       // We don't start another scoping effort unless at least one match has
2398       // been found.
2399       if (result) {
2400         // Start new scoping request. If the scoping function determines that it
2401         // needs to scope, it will defer until later.
2402         search_frame->scopeStringMatches(request_id,
2403                                          search_text,
2404                                          options,
2405                                          true);  // reset the tickmarks
2406       }
2407
2408       // Iterate to the next frame. The frame will not necessarily scope, for
2409       // example if it is not visible.
2410       search_frame = search_frame->traverseNext(true);
2411     } while (search_frame != main_frame);
2412   }
2413 }
2414
2415 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2416   WebView* view = webview();
2417   if (!view)
2418     return;
2419
2420   blink::WebPlugin* plugin = GetWebPluginForFind();
2421   if (plugin) {
2422     plugin->stopFind();
2423     return;
2424   }
2425
2426   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2427   if (clear_selection) {
2428     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2429                                          GetFocusedElement());
2430   }
2431
2432   WebFrame* frame = view->mainFrame();
2433   while (frame) {
2434     frame->stopFinding(clear_selection);
2435     frame = frame->traverseNext(false);
2436   }
2437
2438   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2439     WebFrame* focused_frame = view->focusedFrame();
2440     if (focused_frame) {
2441       WebDocument doc = focused_frame->document();
2442       if (!doc.isNull()) {
2443         WebElement element = doc.focusedElement();
2444         if (!element.isNull())
2445           element.simulateClick();
2446       }
2447     }
2448   }
2449 }
2450
2451 #if defined(OS_ANDROID)
2452 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2453                                                  float x, float y) {
2454   if (!webview())
2455       return;
2456
2457   WebFrame* main_frame = webview()->mainFrame();
2458   WebRect selection_rect;
2459   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2460                                                    &selection_rect);
2461   if (ordinal == -1) {
2462     // Something went wrong, so send a no-op reply (force the main_frame to
2463     // report the current match count) in case the host is waiting for a
2464     // response due to rate-limiting).
2465     main_frame->increaseMatchCount(0, request_id);
2466     return;
2467   }
2468
2469   SendFindReply(request_id,
2470                 -1 /* number_of_matches */,
2471                 ordinal,
2472                 selection_rect,
2473                 true /* final_update */);
2474 }
2475
2476 void RenderViewImpl::OnFindMatchRects(int current_version) {
2477   if (!webview())
2478       return;
2479
2480   WebFrame* main_frame = webview()->mainFrame();
2481   std::vector<gfx::RectF> match_rects;
2482
2483   int rects_version = main_frame->findMatchMarkersVersion();
2484   if (current_version != rects_version) {
2485     WebVector<WebFloatRect> web_match_rects;
2486     main_frame->findMatchRects(web_match_rects);
2487     match_rects.reserve(web_match_rects.size());
2488     for (size_t i = 0; i < web_match_rects.size(); ++i)
2489       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2490   }
2491
2492   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2493   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2494                                                rects_version,
2495                                                match_rects,
2496                                                active_rect));
2497 }
2498 #endif
2499
2500 void RenderViewImpl::OnResetPageScale() {
2501   if (!webview())
2502     return;
2503   webview()->setPageScaleFactor(1);
2504 }
2505
2506 void RenderViewImpl::OnZoom(PageZoom zoom) {
2507   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2508     return;
2509
2510   webview()->hidePopups();
2511
2512   double old_zoom_level = webview()->zoomLevel();
2513   double zoom_level;
2514   if (zoom == PAGE_ZOOM_RESET) {
2515     zoom_level = 0;
2516   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2517     // Previous zoom level is a whole number, so just increment/decrement.
2518     zoom_level = old_zoom_level + zoom;
2519   } else {
2520     // Either the user hit the zoom factor limit and thus the zoom level is now
2521     // not a whole number, or a plugin changed it to a custom value.  We want
2522     // to go to the next whole number so that the user can always get back to
2523     // 100% with the keyboard/menu.
2524     if ((old_zoom_level > 1 && zoom > 0) ||
2525         (old_zoom_level < 1 && zoom < 0)) {
2526       zoom_level = static_cast<int>(old_zoom_level + zoom);
2527     } else {
2528       // We're going towards 100%, so first go to the next whole number.
2529       zoom_level = static_cast<int>(old_zoom_level);
2530     }
2531   }
2532   SetZoomLevel(zoom_level);
2533   zoomLevelChanged();
2534 }
2535
2536 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2537                                                  double zoom_level) {
2538 #if !defined(OS_ANDROID)
2539   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2540   // for legacy WebView text scaling emulation. Thus, the code that resets
2541   // the zoom level from this map will be effectively resetting text zoom level.
2542   host_zoom_levels_[url] = zoom_level;
2543 #endif
2544 }
2545
2546 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2547                                            double level) {
2548   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2549
2550   webview()->hidePopups();
2551   SetZoomLevel(level);
2552 }
2553
2554 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2555   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2556 }
2557
2558 void RenderViewImpl::OnResetPageEncodingToDefault() {
2559   WebString no_encoding;
2560   webview()->setPageEncoding(no_encoding);
2561 }
2562
2563 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2564   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2565       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2566     // WebUIExtensionData deletes itself when we're destroyed.
2567     new WebUIExtensionData(this);
2568     // WebUIMojo deletes itself when we're destroyed.
2569     new WebUIMojo(this);
2570   }
2571
2572   enabled_bindings_ |= enabled_bindings_flags;
2573
2574   // Keep track of the total bindings accumulated in this process.
2575   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2576 }
2577
2578 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2579                                            const gfx::Point& client_point,
2580                                            const gfx::Point& screen_point,
2581                                            WebDragOperationsMask ops,
2582                                            int key_modifiers) {
2583   WebDragOperation operation = webview()->dragTargetDragEnter(
2584       DropDataToWebDragData(drop_data),
2585       client_point,
2586       screen_point,
2587       ops,
2588       key_modifiers);
2589
2590   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2591 }
2592
2593 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2594                                           const gfx::Point& screen_point,
2595                                           WebDragOperationsMask ops,
2596                                           int key_modifiers) {
2597   WebDragOperation operation = webview()->dragTargetDragOver(
2598       client_point,
2599       screen_point,
2600       ops,
2601       key_modifiers);
2602
2603   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2604 }
2605
2606 void RenderViewImpl::OnDragTargetDragLeave() {
2607   webview()->dragTargetDragLeave();
2608 }
2609
2610 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2611                                       const gfx::Point& screen_point,
2612                                       int key_modifiers) {
2613   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2614 }
2615
2616 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2617                                        const gfx::Point& screen_point,
2618                                        WebDragOperation op) {
2619   webview()->dragSourceEndedAt(client_point, screen_point, op);
2620 }
2621
2622 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2623   webview()->dragSourceSystemDragEnded();
2624 }
2625
2626 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2627   webkit_preferences_ = prefs;
2628   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2629 }
2630
2631 void RenderViewImpl::OnEnumerateDirectoryResponse(
2632     int id,
2633     const std::vector<base::FilePath>& paths) {
2634   if (!enumeration_completions_[id])
2635     return;
2636
2637   WebVector<WebString> ws_file_names(paths.size());
2638   for (size_t i = 0; i < paths.size(); ++i)
2639     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2640
2641   enumeration_completions_[id]->didChooseFile(ws_file_names);
2642   enumeration_completions_.erase(id);
2643 }
2644
2645 void RenderViewImpl::OnFileChooserResponse(
2646     const std::vector<content::FileChooserFileInfo>& files) {
2647   // This could happen if we navigated to a different page before the user
2648   // closed the chooser.
2649   if (file_chooser_completions_.empty())
2650     return;
2651
2652   // Convert Chrome's SelectedFileInfo list to WebKit's.
2653   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2654       files.size());
2655   for (size_t i = 0; i < files.size(); ++i) {
2656     WebFileChooserCompletion::SelectedFileInfo selected_file;
2657     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2658     selected_file.displayName =
2659         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2660     if (files[i].file_system_url.is_valid()) {
2661       selected_file.fileSystemURL = files[i].file_system_url;
2662       selected_file.length = files[i].length;
2663       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2664       selected_file.isDirectory = files[i].is_directory;
2665     }
2666     selected_files[i] = selected_file;
2667   }
2668
2669   if (file_chooser_completions_.front()->completion)
2670     file_chooser_completions_.front()->completion->didChooseFile(
2671         selected_files);
2672   file_chooser_completions_.pop_front();
2673
2674   // If there are more pending file chooser requests, schedule one now.
2675   if (!file_chooser_completions_.empty()) {
2676     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2677         file_chooser_completions_.front()->params));
2678   }
2679 }
2680
2681 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2682                                         const gfx::Size& max_size) {
2683   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2684   if (!webview())
2685     return;
2686   auto_resize_mode_ = true;
2687   webview()->enableAutoResizeMode(min_size, max_size);
2688 }
2689
2690 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2691   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2692   if (!webview())
2693     return;
2694   auto_resize_mode_ = false;
2695   webview()->disableAutoResizeMode();
2696
2697   if (!new_size.IsEmpty()) {
2698     Resize(new_size,
2699            physical_backing_size_,
2700            top_controls_shrink_blink_size_,
2701            top_controls_height_,
2702            visible_viewport_size_,
2703            resizer_rect_,
2704            is_fullscreen_granted_,
2705            display_mode_,
2706            NO_RESIZE_ACK);
2707   }
2708 }
2709
2710 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2711   if (send_preferred_size_changes_)
2712     return;
2713   send_preferred_size_changes_ = true;
2714
2715   // Start off with an initial preferred size notification (in case
2716   // |didUpdateLayout| was already called).
2717   didUpdateLayout();
2718 }
2719
2720 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2721     const gfx::Size& disable_scrollbar_size_limit) {
2722   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2723 }
2724
2725 void RenderViewImpl::OnSetRendererPrefs(
2726     const RendererPreferences& renderer_prefs) {
2727   double old_zoom_level = renderer_preferences_.default_zoom_level;
2728   std::string old_accept_languages = renderer_preferences_.accept_languages;
2729
2730   renderer_preferences_ = renderer_prefs;
2731
2732   UpdateFontRenderingFromRendererPrefs();
2733   UpdateThemePrefs();
2734
2735 #if defined(USE_DEFAULT_RENDER_THEME)
2736   if (renderer_prefs.use_custom_colors) {
2737     WebColorName name = blink::WebColorWebkitFocusRingColor;
2738     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2739     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2740
2741     if (webview()) {
2742       webview()->setSelectionColors(
2743           renderer_prefs.active_selection_bg_color,
2744           renderer_prefs.active_selection_fg_color,
2745           renderer_prefs.inactive_selection_bg_color,
2746           renderer_prefs.inactive_selection_fg_color);
2747       webview()->themeChanged();
2748     }
2749   }
2750 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2751
2752   // If the zoom level for this page matches the old zoom default, and this
2753   // is not a plugin, update the zoom level to match the new default.
2754   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2755       !webview()->mainFrame()->document().isPluginDocument() &&
2756       !ZoomValuesEqual(old_zoom_level,
2757                        renderer_preferences_.default_zoom_level) &&
2758       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2759     SetZoomLevel(renderer_preferences_.default_zoom_level);
2760     zoomLevelChanged();
2761   }
2762
2763   if (webview() &&
2764       old_accept_languages != renderer_preferences_.accept_languages) {
2765     webview()->acceptLanguagesChanged();
2766   }
2767 }
2768
2769 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2770                                            const WebMediaPlayerAction& action) {
2771   if (webview())
2772     webview()->performMediaPlayerAction(action, location);
2773 }
2774
2775 void RenderViewImpl::OnOrientationChange() {
2776   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2777     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2778 }
2779
2780 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2781                                       const WebPluginAction& action) {
2782   if (webview())
2783     webview()->performPluginAction(action, location);
2784 }
2785
2786 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2787     const GURL& page_url) {
2788   // Prepare list to storage all savable resource links.
2789   std::vector<GURL> resources_list;
2790   std::vector<GURL> referrer_urls_list;
2791   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2792   std::vector<GURL> frames_list;
2793   SavableResourcesResult result(&resources_list,
2794                                 &referrer_urls_list,
2795                                 &referrer_policies_list,
2796                                 &frames_list);
2797
2798   // webkit/ doesn't know about Referrer.
2799   if (!GetAllSavableResourceLinksForCurrentPage(
2800           webview(),
2801           page_url,
2802           &result,
2803           const_cast<const char**>(GetSavableSchemes()))) {
2804     // If something is wrong when collecting all savable resource links,
2805     // send empty list to embedder(browser) to tell it failed.
2806     referrer_urls_list.clear();
2807     referrer_policies_list.clear();
2808     resources_list.clear();
2809     frames_list.clear();
2810   }
2811
2812   std::vector<Referrer> referrers_list;
2813   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2814   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2815     referrers_list.push_back(
2816         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2817   }
2818
2819   // Send result of all savable resource links to embedder.
2820   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2821                                                               resources_list,
2822                                                               referrers_list,
2823                                                               frames_list));
2824 }
2825
2826 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2827     const std::vector<GURL>& links,
2828     const std::vector<base::FilePath>& local_paths,
2829     const base::FilePath& local_directory_name) {
2830
2831   // Convert std::vector of GURLs to WebVector<WebURL>
2832   WebVector<WebURL> weburl_links(links);
2833
2834   // Convert std::vector of base::FilePath to WebVector<WebString>
2835   WebVector<WebString> webstring_paths(local_paths.size());
2836   for (size_t i = 0; i < local_paths.size(); i++)
2837     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2838
2839   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2840                                true,
2841                                this,
2842                                weburl_links,
2843                                webstring_paths,
2844                                local_directory_name.AsUTF16Unsafe());
2845 }
2846
2847 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2848   // Don't show any more dialogs until we finish OnSwapOut.
2849   suppress_dialogs_until_swap_out_ = true;
2850 }
2851
2852 void RenderViewImpl::OnClosePage() {
2853   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2854   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2855   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2856   // in the onunload handler from appearing.  For now, we're bypassing that and
2857   // calling the FrameLoader's CloseURL method directly.  This should be
2858   // revisited to avoid having two ways to close a page.  Having a single way
2859   // to close that can run onunload is also useful for fixing
2860   // http://b/issue?id=753080.
2861   webview()->mainFrame()->dispatchUnloadEvent();
2862
2863   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2864 }
2865
2866 void RenderViewImpl::OnClose() {
2867   if (closing_)
2868     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2869   RenderWidget::OnClose();
2870 }
2871
2872 void RenderViewImpl::OnThemeChanged() {
2873 #if defined(USE_AURA)
2874   // Aura doesn't care if we switch themes.
2875 #elif defined(OS_WIN)
2876   ui::NativeThemeWin::instance()->CloseHandles();
2877   if (webview())
2878     webview()->themeChanged();
2879 #else  // defined(OS_WIN)
2880   // TODO(port): we don't support theming on non-Windows platforms yet
2881   NOTIMPLEMENTED();
2882 #endif
2883 }
2884
2885 void RenderViewImpl::OnMoveOrResizeStarted() {
2886   if (webview())
2887     webview()->hidePopups();
2888 }
2889
2890 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2891   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2892   if (webview()) {
2893     webview()->hidePopups();
2894     if (send_preferred_size_changes_) {
2895       webview()->mainFrame()->setCanHaveScrollbars(
2896           ShouldDisplayScrollbars(params.new_size.width(),
2897                                   params.new_size.height()));
2898     }
2899     if (display_mode_ != params.display_mode) {
2900       display_mode_ = params.display_mode;
2901       webview()->setDisplayMode(display_mode_);
2902     }
2903   }
2904
2905   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2906
2907   RenderWidget::OnResize(params);
2908
2909   if (old_visible_viewport_size != visible_viewport_size_)
2910     has_scrolled_focused_editable_node_into_rect_ = false;
2911 }
2912
2913 void RenderViewImpl::DidInitiatePaint() {
2914 #if defined(ENABLE_PLUGINS)
2915   // Notify all instances that we painted.  The same caveats apply as for
2916   // ViewFlushedPaint regarding instances closing themselves, so we take
2917   // similar precautions.
2918   PepperPluginSet plugins = active_pepper_instances_;
2919   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2920     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2921       (*i)->ViewInitiatedPaint();
2922   }
2923 #endif
2924 }
2925
2926 void RenderViewImpl::DidFlushPaint() {
2927   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2928   // See crbug.com/112921.
2929   if (!webview())
2930     return;
2931
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   // There's nothing to do if there are no local frames in this RenderView's
2945   // frame tree. This can happen if DidFlushPaint is called after the
2946   // RenderView's local main frame is swapped to a remote frame. See
2947   // http://crbug.com/513552.
2948   if (main_frame->isWebRemoteFrame())
2949     return;
2950
2951   // If we have a provisional frame we are between the start and commit stages
2952   // of loading and we don't want to save stats.
2953   if (!main_frame->provisionalDataSource()) {
2954     WebDataSource* ds = main_frame->dataSource();
2955     if (!ds)
2956       return;
2957
2958     DocumentState* document_state = DocumentState::FromDataSource(ds);
2959
2960     // TODO(jar): The following code should all be inside a method, probably in
2961     // NavigatorState.
2962     Time now = Time::Now();
2963     if (document_state->first_paint_time().is_null()) {
2964       document_state->set_first_paint_time(now);
2965     }
2966     if (document_state->first_paint_after_load_time().is_null() &&
2967         !document_state->finish_load_time().is_null()) {
2968       document_state->set_first_paint_after_load_time(now);
2969     }
2970   }
2971 }
2972
2973 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
2974   WebFrame* main_frame = webview()->mainFrame();
2975   for (WebFrame* frame = main_frame; frame;
2976        frame = frame->traverseNext(false)) {
2977     // TODO(nasko): This is a hack for the case in which the top-level
2978     // frame is being rendered in another process. It will not
2979     // behave correctly for out of process iframes.
2980     if (frame->isWebLocalFrame()) {
2981       main_frame = frame;
2982       break;
2983     }
2984   }
2985
2986   WebSize scroll_offset = main_frame->scrollOffset();
2987   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
2988 }
2989
2990 void RenderViewImpl::OnClearFocusedElement() {
2991   if (webview())
2992     webview()->clearFocusedElement();
2993 }
2994
2995 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
2996   if (webview())
2997     webview()->setIsTransparent(!opaque);
2998   if (compositor_)
2999     compositor_->setHasTransparentBackground(!opaque);
3000 }
3001
3002 void RenderViewImpl::OnSetActive(bool active) {
3003   if (webview())
3004     webview()->setIsActive(active);
3005
3006 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3007   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3008   for (plugin_it = plugin_delegates_.begin();
3009        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3010     (*plugin_it)->SetWindowFocus(active);
3011   }
3012 #endif
3013 }
3014
3015 #if defined(OS_MACOSX)
3016 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3017 #if defined(ENABLE_PLUGINS)
3018   // Inform plugins that their container has changed visibility.
3019   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3020   for (plugin_it = plugin_delegates_.begin();
3021        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3022     (*plugin_it)->SetContainerVisibility(visible);
3023   }
3024 #endif
3025 }
3026
3027 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3028                                           const gfx::Rect& view_frame) {
3029 #if defined(ENABLE_PLUGINS)
3030   // Inform plugins that their window's frame has changed.
3031   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3032   for (plugin_it = plugin_delegates_.begin();
3033        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3034     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3035   }
3036 #endif
3037 }
3038
3039 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3040                                                      int plugin_id) {
3041   // WebPluginDelegateProxy is responsible for figuring out if this event
3042   // applies to it or not, so inform all the delegates.
3043   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3044   for (plugin_it = plugin_delegates_.begin();
3045        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3046     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3047   }
3048 }
3049 #endif  // OS_MACOSX
3050
3051 void RenderViewImpl::Close() {
3052   // We need to grab a pointer to the doomed WebView before we destroy it.
3053   WebView* doomed = webview();
3054   RenderWidget::Close();
3055   g_view_map.Get().erase(doomed);
3056   g_routing_id_view_map.Get().erase(routing_id_);
3057   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3058 }
3059
3060 void RenderViewImpl::DidHandleKeyEvent() {
3061   ClearEditCommands();
3062 }
3063
3064 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3065   possible_drag_event_info_.event_source =
3066       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3067   possible_drag_event_info_.event_location =
3068       gfx::Point(event.globalX, event.globalY);
3069
3070 #if defined(ENABLE_PLUGINS)
3071   // This method is called for every mouse event that the render view receives.
3072   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3073   // event target. Potentially a Pepper plugin will receive the event.
3074   // In order to tell whether a plugin gets the last mouse event and which it
3075   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3076   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3077   // |pepper_last_mouse_event_target_|.
3078   pepper_last_mouse_event_target_ = NULL;
3079 #endif
3080
3081   // If the mouse is locked, only the current owner of the mouse lock can
3082   // process mouse events.
3083   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3084 }
3085
3086 bool RenderViewImpl::WillHandleGestureEvent(
3087     const blink::WebGestureEvent& event) {
3088   possible_drag_event_info_.event_source =
3089       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3090   possible_drag_event_info_.event_location =
3091       gfx::Point(event.globalX, event.globalY);
3092   return false;
3093 }
3094
3095 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3096   if (!webview())
3097     return false;
3098   return webview()->hasTouchEventHandlersAt(point);
3099 }
3100
3101 void RenderViewImpl::OnWasHidden() {
3102   RenderWidget::OnWasHidden();
3103
3104 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3105   RenderThreadImpl::current()->video_capture_impl_manager()->
3106       SuspendDevices(true);
3107   if (speech_recognition_dispatcher_)
3108     speech_recognition_dispatcher_->AbortAllRecognitions();
3109 #endif
3110
3111   if (webview())
3112     webview()->setVisibilityState(visibilityState(), false);
3113
3114 #if defined(ENABLE_PLUGINS)
3115   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3116        i != active_pepper_instances_.end(); ++i)
3117     (*i)->PageVisibilityChanged(false);
3118
3119 #if defined(OS_MACOSX)
3120   // Inform NPAPI plugins that their container is no longer visible.
3121   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3122   for (plugin_it = plugin_delegates_.begin();
3123        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3124     (*plugin_it)->SetContainerVisibility(false);
3125   }
3126 #endif  // OS_MACOSX
3127 #endif // ENABLE_PLUGINS
3128 }
3129
3130 void RenderViewImpl::OnWasShown(bool needs_repainting,
3131                                 const ui::LatencyInfo& latency_info) {
3132   RenderWidget::OnWasShown(needs_repainting, latency_info);
3133
3134 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3135   RenderThreadImpl::current()->video_capture_impl_manager()->
3136       SuspendDevices(false);
3137 #endif
3138
3139   if (webview())
3140     webview()->setVisibilityState(visibilityState(), false);
3141
3142 #if defined(ENABLE_PLUGINS)
3143   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3144        i != active_pepper_instances_.end(); ++i)
3145     (*i)->PageVisibilityChanged(true);
3146
3147 #if defined(OS_MACOSX)
3148   // Inform NPAPI plugins that their container is now visible.
3149   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3150   for (plugin_it = plugin_delegates_.begin();
3151        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3152     (*plugin_it)->SetContainerVisibility(true);
3153   }
3154 #endif  // OS_MACOSX
3155 #endif  // ENABLE_PLUGINS
3156 }
3157
3158 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3159   DCHECK(webview());
3160   if (webview()->mainFrame()->isWebLocalFrame())
3161     return GURL(webview()->mainFrame()->document().url());
3162   else
3163     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3164 }
3165
3166 void RenderViewImpl::OnSetFocus(bool enable) {
3167   RenderWidget::OnSetFocus(enable);
3168
3169 #if defined(ENABLE_PLUGINS)
3170   if (webview() && webview()->isActive()) {
3171     // Notify all NPAPI plugins.
3172     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3173     for (plugin_it = plugin_delegates_.begin();
3174          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3175 #if defined(OS_MACOSX)
3176       // RenderWidget's call to setFocus can cause the underlying webview's
3177       // activation state to change just like a call to setIsActive.
3178       if (enable)
3179         (*plugin_it)->SetWindowFocus(true);
3180 #endif
3181       (*plugin_it)->SetContentAreaFocus(enable);
3182     }
3183   }
3184   // Notify all Pepper plugins.
3185   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3186        i != active_pepper_instances_.end(); ++i)
3187     (*i)->SetContentAreaFocus(enable);
3188 #endif
3189   // Notify all BrowserPlugins of the RenderView's focus state.
3190   if (BrowserPluginManager::Get())
3191     BrowserPluginManager::Get()->UpdateFocusState();
3192 }
3193
3194 void RenderViewImpl::OnImeSetComposition(
3195     const base::string16& text,
3196     const std::vector<blink::WebCompositionUnderline>& underlines,
3197     int selection_start,
3198     int selection_end) {
3199 #if defined(ENABLE_PLUGINS)
3200   if (focused_pepper_plugin_) {
3201     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3202         text, underlines, selection_start, selection_end);
3203     return;
3204   }
3205
3206 #if defined(OS_WIN)
3207   // When a plugin has focus, we create platform-specific IME data used by
3208   // our IME emulator and send it directly to the focused plugin, i.e. we
3209   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3210   // instance ID is the same one as the specified ID.)
3211   if (focused_plugin_id_ >= 0) {
3212     std::vector<int> clauses;
3213     std::vector<int> target;
3214     for (size_t i = 0; i < underlines.size(); ++i) {
3215       clauses.push_back(underlines[i].startOffset);
3216       clauses.push_back(underlines[i].endOffset);
3217       if (underlines[i].thick) {
3218         target.clear();
3219         target.push_back(underlines[i].startOffset);
3220         target.push_back(underlines[i].endOffset);
3221       }
3222     }
3223     std::set<WebPluginDelegateProxy*>::iterator it;
3224     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3225       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3226                                    focused_plugin_id_);
3227     }
3228     return;
3229   }
3230 #endif  // OS_WIN
3231 #endif  // ENABLE_PLUGINS
3232   RenderWidget::OnImeSetComposition(text,
3233                                     underlines,
3234                                     selection_start,
3235                                     selection_end);
3236 }
3237
3238 void RenderViewImpl::OnImeConfirmComposition(
3239     const base::string16& text,
3240     const gfx::Range& replacement_range,
3241     bool keep_selection) {
3242 #if defined(ENABLE_PLUGINS)
3243   if (focused_pepper_plugin_) {
3244     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3245         text, replacement_range, keep_selection);
3246     return;
3247   }
3248 #if defined(OS_WIN)
3249   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3250   // plugins. When we send IME text directly to plugins, we should not send
3251   // it to WebKit to prevent WebKit from controlling IMEs.
3252   // TODO(thakis): Honor |replacement_range| for plugins?
3253   if (focused_plugin_id_ >= 0) {
3254     std::set<WebPluginDelegateProxy*>::iterator it;
3255     for (it = plugin_delegates_.begin();
3256           it != plugin_delegates_.end(); ++it) {
3257       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3258     }
3259     return;
3260   }
3261 #endif  // OS_WIN
3262 #endif  // ENABLE_PLUGINS
3263   if (replacement_range.IsValid() && webview()) {
3264     // Select the text in |replacement_range|, it will then be replaced by
3265     // text added by the call to RenderWidget::OnImeConfirmComposition().
3266     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3267       WebRange webrange = WebRange::fromDocumentRange(
3268           frame, replacement_range.start(), replacement_range.length());
3269       if (!webrange.isNull())
3270         frame->selectRange(webrange);
3271     }
3272   }
3273   RenderWidget::OnImeConfirmComposition(text,
3274                                         replacement_range,
3275                                         keep_selection);
3276 }
3277
3278 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3279   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3280   if (webview()) {
3281     webview()->setDeviceScaleFactor(device_scale_factor);
3282     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3283         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3284   }
3285   if (auto_resize_mode_)
3286     AutoResizeCompositor();
3287 }
3288
3289 bool RenderViewImpl::SetDeviceColorProfile(
3290     const std::vector<char>& profile) {
3291   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3292   if (changed && webview()) {
3293     WebVector<char> colorProfile = profile;
3294     webview()->setDeviceColorProfile(colorProfile);
3295   }
3296   return changed;
3297 }
3298
3299 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3300   RenderWidget::ResetDeviceColorProfileForTesting();
3301   if (webview())
3302     webview()->resetDeviceColorProfile();
3303 }
3304
3305 ui::TextInputType RenderViewImpl::GetTextInputType() {
3306 #if defined(ENABLE_PLUGINS)
3307   if (focused_pepper_plugin_)
3308     return focused_pepper_plugin_->text_input_type();
3309 #endif
3310   return RenderWidget::GetTextInputType();
3311 }
3312
3313 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3314 #if defined(ENABLE_PLUGINS)
3315   if (focused_pepper_plugin_) {
3316     // TODO(kinaba) http://crbug.com/101101
3317     // Current Pepper IME API does not handle selection bounds. So we simply
3318     // use the caret position as an empty range for now. It will be updated
3319     // after Pepper API equips features related to surrounding text retrieval.
3320     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3321     *start = caret;
3322     *end = caret;
3323     return;
3324   }
3325 #endif
3326   RenderWidget::GetSelectionBounds(start, end);
3327 }
3328
3329 void RenderViewImpl::FocusChangeComplete() {
3330   RenderWidget::FocusChangeComplete();
3331   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3332 }
3333
3334 void RenderViewImpl::GetCompositionCharacterBounds(
3335     std::vector<gfx::Rect>* bounds) {
3336   DCHECK(bounds);
3337   bounds->clear();
3338
3339 #if defined(ENABLE_PLUGINS)
3340   if (focused_pepper_plugin_) {
3341     return;
3342   }
3343 #endif
3344
3345   if (!webview())
3346     return;
3347   size_t start_offset = 0;
3348   size_t character_count = 0;
3349   if (!webview()->compositionRange(&start_offset, &character_count))
3350     return;
3351   if (character_count == 0)
3352     return;
3353
3354   blink::WebFrame* frame = webview()->focusedFrame();
3355   if (!frame)
3356     return;
3357
3358   bounds->reserve(character_count);
3359   blink::WebRect webrect;
3360   for (size_t i = 0; i < character_count; ++i) {
3361     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3362       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3363       bounds->clear();
3364       return;
3365     }
3366     bounds->push_back(webrect);
3367   }
3368 }
3369
3370 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3371 #if defined(ENABLE_PLUGINS)
3372   if (focused_pepper_plugin_) {
3373     return;
3374   }
3375 #endif
3376   RenderWidget::GetCompositionRange(range);
3377 }
3378
3379 bool RenderViewImpl::CanComposeInline() {
3380 #if defined(ENABLE_PLUGINS)
3381   if (focused_pepper_plugin_)
3382     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3383 #endif
3384   return true;
3385 }
3386
3387 void RenderViewImpl::DidCompletePageScaleAnimation() {
3388   FocusChangeComplete();
3389 }
3390
3391 #if defined(OS_ANDROID)
3392 bool RenderViewImpl::DoesRecordFullLayer() const {
3393   return webkit_preferences_.record_whole_document;
3394 }
3395 #endif
3396
3397 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3398     bool enabled,
3399     const blink::WebDeviceEmulationParams& params) {
3400   if (webview() && compositor()) {
3401     if (enabled)
3402       webview()->enableDeviceEmulation(params);
3403     else
3404       webview()->disableDeviceEmulation();
3405   }
3406 }
3407
3408 bool RenderViewImpl::ScheduleFileChooser(
3409     const FileChooserParams& params,
3410     WebFileChooserCompletion* completion) {
3411   static const size_t kMaximumPendingFileChooseRequests = 4;
3412   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3413     // This sanity check prevents too many file choose requests from getting
3414     // queued which could DoS the user. Getting these is most likely a
3415     // programming error (there are many ways to DoS the user so it's not
3416     // considered a "real" security check), either in JS requesting many file
3417     // choosers to pop up, or in a plugin.
3418     //
3419     // TODO(brettw) we might possibly want to require a user gesture to open
3420     // a file picker, which will address this issue in a better way.
3421     return false;
3422   }
3423
3424   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3425       new PendingFileChooser(params, completion)));
3426   if (file_chooser_completions_.size() == 1) {
3427     // Actually show the browse dialog when this is the first request.
3428     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3429   }
3430   return true;
3431 }
3432
3433 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3434   if (!speech_recognition_dispatcher_)
3435     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3436   return speech_recognition_dispatcher_;
3437 }
3438
3439 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3440                                        double maximum_level) {
3441   // Round the double to avoid returning incorrect minimum/maximum zoom
3442   // percentages.
3443   int minimum_percent = round(
3444       ZoomLevelToZoomFactor(minimum_level) * 100);
3445   int maximum_percent = round(
3446       ZoomLevelToZoomFactor(maximum_level) * 100);
3447
3448   Send(new ViewHostMsg_UpdateZoomLimits(
3449       routing_id_, minimum_percent, maximum_percent));
3450 }
3451
3452 void RenderViewImpl::zoomLevelChanged() {
3453   double zoom_level = webview()->zoomLevel();
3454
3455   // Do not send empty URLs to the browser when we are just setting the default
3456   // zoom level (from RendererPreferences) before the first navigation.
3457   if (!webview()->mainFrame()->document().url().isEmpty()) {
3458     // Tell the browser which url got zoomed so it can update the menu and the
3459     // saved values if necessary
3460     Send(new ViewHostMsg_DidZoomURL(
3461         routing_id_, zoom_level,
3462         GURL(webview()->mainFrame()->document().url())));
3463   }
3464 }
3465
3466 void RenderViewImpl::pageScaleFactorChanged() {
3467   if (!webview())
3468     return;
3469   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3470   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3471     return;
3472   page_scale_factor_is_one_ = page_scale_factor_is_one;
3473   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3474                                                    page_scale_factor_is_one_));
3475 }
3476
3477 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3478   return ZoomLevelToZoomFactor(zoom_level);
3479 }
3480
3481 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3482   return ZoomFactorToZoomLevel(factor);
3483 }
3484
3485 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3486   blink::WebPageVisibilityState current_state = is_hidden() ?
3487       blink::WebPageVisibilityStateHidden :
3488       blink::WebPageVisibilityStateVisible;
3489   blink::WebPageVisibilityState override_state = current_state;
3490   // TODO(jam): move this method to WebFrameClient.
3491   if (GetContentClient()->renderer()->
3492           ShouldOverridePageVisibilityState(main_render_frame_,
3493                                             &override_state))
3494     return override_state;
3495   return current_state;
3496 }
3497
3498 void RenderViewImpl::draggableRegionsChanged() {
3499   FOR_EACH_OBSERVER(
3500       RenderViewObserver,
3501       observers_,
3502       DraggableRegionsChanged(webview()->mainFrame()));
3503 }
3504
3505 #if defined(OS_ANDROID)
3506 WebContentDetectionResult RenderViewImpl::detectContentAround(
3507     const WebHitTestResult& touch_hit) {
3508   DCHECK(touch_hit.node().isTextNode());
3509
3510   // Process the position with all the registered content detectors until
3511   // a match is found. Priority is provided by their relative order.
3512   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3513       it != content_detectors_.end(); ++it) {
3514     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3515     if (content.valid) {
3516       return WebContentDetectionResult(content.content_boundaries,
3517           base::UTF8ToUTF16(content.text), content.intent_url);
3518     }
3519   }
3520   return WebContentDetectionResult();
3521 }
3522
3523 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3524   // Introduce a short delay so that the user can notice the content.
3525   base::MessageLoop::current()->PostDelayedTask(
3526       FROM_HERE,
3527       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3528                  AsWeakPtr(),
3529                  intent,
3530                  expected_content_intent_id_),
3531       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3532 }
3533
3534 void RenderViewImpl::cancelScheduledContentIntents() {
3535   ++expected_content_intent_id_;
3536 }
3537
3538 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3539                                                 size_t request_id) {
3540   if (request_id != expected_content_intent_id_)
3541     return;
3542
3543   // Remove the content highlighting if any.
3544   ScheduleComposite();
3545
3546   if (!intent.is_empty())
3547     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3548 }
3549
3550 bool RenderViewImpl::openDateTimeChooser(
3551     const blink::WebDateTimeChooserParams& params,
3552     blink::WebDateTimeChooserCompletion* completion) {
3553   // JavaScript may try to open a date time chooser while one is already open.
3554   if (date_time_picker_client_)
3555     return false;
3556   date_time_picker_client_.reset(
3557       new RendererDateTimePicker(this, params, completion));
3558   return date_time_picker_client_->Open();
3559 }
3560
3561 void RenderViewImpl::DismissDateTimeDialog() {
3562   DCHECK(date_time_picker_client_);
3563   date_time_picker_client_.reset(NULL);
3564 }
3565
3566 #endif  // defined(OS_ANDROID)
3567
3568 void RenderViewImpl::OnShowContextMenu(
3569     ui::MenuSourceType source_type, const gfx::Point& location) {
3570   context_menu_source_type_ = source_type;
3571   has_host_context_menu_location_ = true;
3572   host_context_menu_location_ = location;
3573   if (webview())
3574     webview()->showContextMenu();
3575   has_host_context_menu_location_ = false;
3576 }
3577
3578 void RenderViewImpl::OnEnableViewSourceMode() {
3579   if (!webview())
3580     return;
3581   WebFrame* main_frame = webview()->mainFrame();
3582   if (!main_frame)
3583     return;
3584   main_frame->enableViewSourceMode(true);
3585 }
3586
3587 #if defined(OS_ANDROID) || defined(USE_AURA)
3588 bool RenderViewImpl::didTapMultipleTargets(
3589     const WebSize& inner_viewport_offset,
3590     const WebRect& touch_rect,
3591     const WebVector<WebRect>& target_rects) {
3592   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3593
3594   // Never show a disambiguation popup when accessibility is enabled,
3595   // as this interferes with "touch exploration".
3596   AccessibilityMode accessibility_mode =
3597       GetMainRenderFrame()->accessibility_mode();
3598   bool matches_accessibility_mode_complete =
3599       (accessibility_mode & AccessibilityModeComplete) ==
3600           AccessibilityModeComplete;
3601   if (matches_accessibility_mode_complete)
3602     return false;
3603
3604   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3605   // reference frame.
3606   gfx::Rect zoom_rect;
3607   float new_total_scale =
3608       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3609           touch_rect, target_rects, GetSize(),
3610           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3611           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3612   if (!new_total_scale || zoom_rect.IsEmpty())
3613     return false;
3614
3615   bool handled = false;
3616   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3617     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3618       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3619       break;
3620     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3621       gfx::Size canvas_size =
3622           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3623       cc::SharedBitmapManager* manager =
3624           RenderThreadImpl::current()->shared_bitmap_manager();
3625       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3626           manager->AllocateSharedBitmap(canvas_size);
3627       CHECK(!!shared_bitmap);
3628       {
3629         SkBitmap bitmap;
3630         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3631                                                       canvas_size.height());
3632         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3633         SkCanvas canvas(bitmap);
3634
3635         // TODO(trchen): Cleanup the device scale factor mess.
3636         // device scale will be applied in WebKit
3637         // --> zoom_rect doesn't include device scale,
3638         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3639         canvas.scale(new_total_scale / device_scale_factor_,
3640                      new_total_scale / device_scale_factor_);
3641         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3642                          -zoom_rect.y() * device_scale_factor_);
3643
3644         DCHECK(webwidget_->isAcceleratedCompositingActive());
3645         // TODO(aelias): The disambiguation popup should be composited so we
3646         // don't have to call this method.
3647         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3648       }
3649
3650       gfx::Rect zoom_rect_in_screen =
3651           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3652                                     inner_viewport_offset.height);
3653
3654       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3655           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3656
3657       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3658                                                    physical_window_zoom_rect,
3659                                                    canvas_size,
3660                                                    shared_bitmap->id()));
3661       cc::SharedBitmapId id = shared_bitmap->id();
3662       disambiguation_bitmaps_[id] = shared_bitmap.release();
3663       handled = true;
3664       break;
3665     }
3666     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3667       // No-op.
3668       break;
3669   }
3670
3671   return handled;
3672 }
3673 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3674
3675 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3676   return history_list_length_;
3677 }
3678
3679 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3680   if (enable) {
3681     if (has_focus())
3682       return;
3683     OnSetActive(true);
3684     OnSetFocus(true);
3685   } else {
3686     if (!has_focus())
3687       return;
3688     OnSetFocus(false);
3689     OnSetActive(false);
3690   }
3691 }
3692
3693 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3694   ViewMsg_Resize_Params params;
3695   params.screen_info = screen_info_;
3696   params.screen_info.deviceScaleFactor = factor;
3697   params.new_size = size();
3698   params.visible_viewport_size = visible_viewport_size_;
3699   params.physical_backing_size =
3700       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3701   params.top_controls_shrink_blink_size = false;
3702   params.top_controls_height = 0.f;
3703   params.resizer_rect = WebRect();
3704   params.is_fullscreen_granted = is_fullscreen_granted();
3705   params.display_mode = display_mode_;
3706   OnResize(params);
3707 }
3708
3709 void RenderViewImpl::SetDeviceColorProfileForTesting(
3710     const std::vector<char>& color_profile) {
3711   SetDeviceColorProfile(color_profile);
3712 }
3713
3714 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3715   gfx::Rect new_window_rect(rootWindowRect().x,
3716                             rootWindowRect().y,
3717                             new_size.width(),
3718                             new_size.height());
3719   SetWindowRectSynchronously(new_window_rect);
3720 }
3721
3722 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3723   resizing_mode_selector_->set_is_synchronous_mode(enable);
3724 }
3725
3726 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3727                                                 const gfx::Size& max_size) {
3728   OnEnableAutoResize(min_size, max_size);
3729 }
3730
3731 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3732   OnDisableAutoResize(new_size);
3733 }
3734
3735 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3736     const cc::SharedBitmapId& id) {
3737   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3738   DCHECK(it != disambiguation_bitmaps_.end());
3739   delete it->second;
3740   disambiguation_bitmaps_.erase(it);
3741 }
3742
3743 void RenderViewImpl::DidCommitCompositorFrame() {
3744   RenderWidget::DidCommitCompositorFrame();
3745   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3746 }
3747
3748 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3749   if (!urls.empty())
3750     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3751 }
3752
3753 void RenderViewImpl::DidStopLoadingIcons() {
3754   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3755       WebIconURL::TypeTouch;
3756
3757   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3758   // just return early.
3759   if (webview()->mainFrame()->isWebRemoteFrame())
3760     return;
3761
3762   WebVector<WebIconURL> icon_urls =
3763       webview()->mainFrame()->iconURLs(icon_types);
3764
3765   std::vector<FaviconURL> urls;
3766   for (size_t i = 0; i < icon_urls.size(); i++) {
3767     WebURL url = icon_urls[i].iconURL();
3768     std::vector<gfx::Size> sizes;
3769     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3770     if (!url.isEmpty())
3771       urls.push_back(
3772           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3773   }
3774   SendUpdateFaviconURL(urls);
3775 }
3776
3777 }  // namespace content