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   return device_scale_factor > 1.5f;
 365 #endif
 366
 367 }
 368
 369 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 370                                        float device_scale_factor) {
 371   const base::CommandLine& command_line =
 372       *base::CommandLine::ForCurrentProcess();
 373   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 374     return false;
 375   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 376     return true;
 377   if (!compositor_deps->IsLcdTextEnabled())
 378     return true;
 379   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 380 }
 381
 382 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 383   switch (type) {
 384     case blink::WebIconURL::TypeFavicon:
 385       return FaviconURL::FAVICON;
 386     case blink::WebIconURL::TypeTouch:
 387       return FaviconURL::TOUCH_ICON;
 388     case blink::WebIconURL::TypeTouchPrecomposed:
 389       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 390     case blink::WebIconURL::TypeInvalid:
 391       return FaviconURL::INVALID_ICON;
 392   }
 393   return FaviconURL::INVALID_ICON;
 394 }
 395
 396 static void ConvertToFaviconSizes(
 397     const blink::WebVector<blink::WebSize>& web_sizes,
 398     std::vector<gfx::Size>* sizes) {
 399   DCHECK(sizes->empty());
 400   sizes->reserve(web_sizes.size());
 401   for (size_t i = 0; i < web_sizes.size(); ++i)
 402     sizes->push_back(gfx::Size(web_sizes[i]));
 403 }
 404
 405 ///////////////////////////////////////////////////////////////////////////////
 406
 407 struct RenderViewImpl::PendingFileChooser {
 408   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 409       : params(p),
 410         completion(c) {
 411   }
 412   FileChooserParams params;
 413   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 414 };
 415
 416 namespace {
 417
 418 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 419  public:
 420   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 421       : webwidget_(webwidget) {}
 422
 423   void OnLockMouseACK(bool succeeded) override {
 424     if (succeeded)
 425       webwidget_->didAcquirePointerLock();
 426     else
 427       webwidget_->didNotAcquirePointerLock();
 428   }
 429
 430   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 431
 432   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 433     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 434     return false;
 435   }
 436
 437  private:
 438   blink::WebWidget* webwidget_;
 439 };
 440
 441 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 442   std::vector<WebDragData::Item> item_list;
 443
 444   // These fields are currently unused when dragging into WebKit.
 445   DCHECK(drop_data.download_metadata.empty());
 446   DCHECK(drop_data.file_contents.empty());
 447   DCHECK(drop_data.file_description_filename.empty());
 448
 449   if (!drop_data.text.is_null()) {
 450     WebDragData::Item item;
 451     item.storageType = WebDragData::Item::StorageTypeString;
 452     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 453     item.stringData = drop_data.text.string();
 454     item_list.push_back(item);
 455   }
 456
 457   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 458   // meaningful to write an empty URL to the clipboard?
 459   if (!drop_data.url.is_empty()) {
 460     WebDragData::Item item;
 461     item.storageType = WebDragData::Item::StorageTypeString;
 462     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 463     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 464     item.title = drop_data.url_title;
 465     item_list.push_back(item);
 466   }
 467
 468   if (!drop_data.html.is_null()) {
 469     WebDragData::Item item;
 470     item.storageType = WebDragData::Item::StorageTypeString;
 471     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 472     item.stringData = drop_data.html.string();
 473     item.baseURL = drop_data.html_base_url;
 474     item_list.push_back(item);
 475   }
 476
 477   for (std::vector<ui::FileInfo>::const_iterator it =
 478            drop_data.filenames.begin();
 479        it != drop_data.filenames.end();
 480        ++it) {
 481     WebDragData::Item item;
 482     item.storageType = WebDragData::Item::StorageTypeFilename;
 483     item.filenameData = it->path.AsUTF16Unsafe();
 484     item.displayNameData = it->display_name.AsUTF16Unsafe();
 485     item_list.push_back(item);
 486   }
 487
 488   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 489            drop_data.file_system_files.begin();
 490        it != drop_data.file_system_files.end();
 491        ++it) {
 492     WebDragData::Item item;
 493     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 494     item.fileSystemURL = it->url;
 495     item.fileSystemFileSize = it->size;
 496     item_list.push_back(item);
 497   }
 498
 499   for (std::map<base::string16, base::string16>::const_iterator it =
 500            drop_data.custom_data.begin();
 501        it != drop_data.custom_data.end();
 502        ++it) {
 503     WebDragData::Item item;
 504     item.storageType = WebDragData::Item::StorageTypeString;
 505     item.stringType = it->first;
 506     item.stringData = it->second;
 507     item_list.push_back(item);
 508   }
 509
 510   WebDragData result;
 511   result.initialize();
 512   result.setItems(item_list);
 513   result.setFilesystemId(drop_data.filesystem_id);
 514   return result;
 515 }
 516
 517 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 518                                      const base::string16&,
 519                                      UScriptCode);
 520
 521 void SetStandardFontFamilyWrapper(WebSettings* settings,
 522                                   const base::string16& font,
 523                                   UScriptCode script) {
 524   settings->setStandardFontFamily(font, script);
 525 }
 526
 527 void SetFixedFontFamilyWrapper(WebSettings* settings,
 528                                const base::string16& font,
 529                                UScriptCode script) {
 530   settings->setFixedFontFamily(font, script);
 531 }
 532
 533 void SetSerifFontFamilyWrapper(WebSettings* settings,
 534                                const base::string16& font,
 535                                UScriptCode script) {
 536   settings->setSerifFontFamily(font, script);
 537 }
 538
 539 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 540                                    const base::string16& font,
 541                                    UScriptCode script) {
 542   settings->setSansSerifFontFamily(font, script);
 543 }
 544
 545 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 546                                  const base::string16& font,
 547                                  UScriptCode script) {
 548   settings->setCursiveFontFamily(font, script);
 549 }
 550
 551 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 552                                  const base::string16& font,
 553                                  UScriptCode script) {
 554   settings->setFantasyFontFamily(font, script);
 555 }
 556
 557 void SetPictographFontFamilyWrapper(WebSettings* settings,
 558                                     const base::string16& font,
 559                                     UScriptCode script) {
 560   settings->setPictographFontFamily(font, script);
 561 }
 562
 563 // If |scriptCode| is a member of a family of "similar" script codes, returns
 564 // the script code in that family that is used by WebKit for font selection
 565 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 566 // considered equivalent for the purposes of font selection.  WebKit uses the
 567 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 568 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 569 // uses different scripts than the ones in Chrome pref names because the version
 570 // of ICU included on certain ports does not have some of the newer scripts.  If
 571 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 572 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 573   switch (scriptCode) {
 574     case USCRIPT_HIRAGANA:
 575     case USCRIPT_KATAKANA:
 576     case USCRIPT_JAPANESE:
 577       return USCRIPT_KATAKANA_OR_HIRAGANA;
 578     case USCRIPT_KOREAN:
 579       return USCRIPT_HANGUL;
 580     default:
 581       return scriptCode;
 582   }
 583 }
 584
 585 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 586                        SetFontFamilyWrapper setter,
 587                        WebSettings* settings) {
 588   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 589        ++it) {
 590     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 591     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 592       UScriptCode code = static_cast<UScriptCode>(script);
 593       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 594     }
 595   }
 596 }
 597
 598 void ApplyBlinkSettings(const base::CommandLine& command_line,
 599                         WebSettings* settings) {
 600   if (!command_line.HasSwitch(switches::kBlinkSettings))
 601     return;
 602
 603   std::vector<std::string> blink_settings;
 604   base::SplitString(
 605       command_line.GetSwitchValueASCII(switches::kBlinkSettings), ',',
 606       &blink_settings);
 607   for (const std::string& setting : blink_settings) {
 608     size_t pos = setting.find('=');
 609     settings->setFromStrings(
 610         blink::WebString::fromLatin1(setting.substr(0, pos)),
 611         blink::WebString::fromLatin1(
 612             pos == std::string::npos ? "" : setting.substr(pos + 1)));
 613   }
 614 }
 615
 616 // Looks up and returns the WebFrame corresponding to a given opener frame
 617 // routing ID.  Also stores the opener's RenderView routing ID into
 618 // |opener_view_routing_id|.
 619 WebFrame* ResolveOpener(int opener_frame_routing_id,
 620                         int* opener_view_routing_id) {
 621   *opener_view_routing_id = MSG_ROUTING_NONE;
 622   if (opener_frame_routing_id == MSG_ROUTING_NONE)
 623     return nullptr;
 624
 625   // Opener routing ID could refer to either a RenderFrameProxy or a
 626   // RenderFrame, so need to check both.
 627   RenderFrameProxy* opener_proxy =
 628       RenderFrameProxy::FromRoutingID(opener_frame_routing_id);
 629   if (opener_proxy) {
 630     *opener_view_routing_id = opener_proxy->render_view()->GetRoutingID();
 631
 632     // TODO(nasko,alexmos): This check won't be needed once swapped-out:// is
 633     // gone.
 634     if (opener_proxy->IsMainFrameDetachedFromTree()) {
 635       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 636       return opener_proxy->render_view()->webview()->mainFrame();
 637     } else {
 638       return opener_proxy->web_frame();
 639     }
 640   }
 641
 642   RenderFrameImpl* opener_frame =
 643       RenderFrameImpl::FromRoutingID(opener_frame_routing_id);
 644   if (opener_frame) {
 645     *opener_view_routing_id = opener_frame->render_view()->GetRoutingID();
 646     return opener_frame->GetWebFrame();
 647   }
 648
 649   return nullptr;
 650 }
 651
 652 }  // namespace
 653
 654 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 655                                const ViewMsg_New_Params& params)
 656     : RenderWidget(compositor_deps,
 657                    blink::WebPopupTypeNone,
 658                    params.initial_size.screen_info,
 659                    params.swapped_out,
 660                    params.hidden,
 661                    params.never_visible),
 662       webkit_preferences_(params.web_preferences),
 663       send_content_state_immediately_(false),
 664       enabled_bindings_(0),
 665       send_preferred_size_changes_(false),
 666       navigation_gesture_(NavigationGestureUnknown),
 667       opened_by_user_gesture_(true),
 668       opener_suppressed_(false),
 669       suppress_dialogs_until_swap_out_(false),
 670       page_id_(-1),
 671       next_page_id_(params.next_page_id),
 672       history_list_offset_(-1),
 673       history_list_length_(0),
 674       frames_in_progress_(0),
 675       target_url_status_(TARGET_NONE),
 676       uses_temporary_zoom_level_(false),
 677 #if defined(OS_ANDROID)
 678       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 679 #endif
 680       has_scrolled_focused_editable_node_into_rect_(false),
 681       main_render_frame_(nullptr),
 682       speech_recognition_dispatcher_(NULL),
 683       mouse_lock_dispatcher_(NULL),
 684 #if defined(OS_ANDROID)
 685       expected_content_intent_id_(0),
 686 #endif
 687 #if defined(OS_WIN)
 688       focused_plugin_id_(-1),
 689 #endif
 690 #if defined(ENABLE_PLUGINS)
 691       plugin_find_handler_(NULL),
 692       focused_pepper_plugin_(NULL),
 693       pepper_last_mouse_event_target_(NULL),
 694 #endif
 695       enumeration_completion_id_(0),
 696       session_storage_namespace_id_(params.session_storage_namespace_id),
 697       page_scale_factor_is_one_(true) {
 698 }
 699
 700 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 701                                 bool was_created_by_renderer) {
 702   routing_id_ = params.view_id;
 703   surface_id_ = params.surface_id;
 704
 705   int opener_view_routing_id;
 706   WebFrame* opener_frame =
 707       ResolveOpener(params.opener_frame_route_id, &opener_view_routing_id);
 708   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
 709     opener_id_ = opener_view_routing_id;
 710
 711   display_mode_= params.initial_size.display_mode;
 712
 713   // Ensure we start with a valid next_page_id_ from the browser.
 714   DCHECK_GE(next_page_id_, 0);
 715
 716   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
 717     main_render_frame_ = RenderFrameImpl::Create(
 718         this, params.main_frame_routing_id);
 719     // The main frame WebLocalFrame object is closed by
 720     // RenderFrameImpl::frameDetached().
 721     WebLocalFrame* web_frame = WebLocalFrame::create(
 722         blink::WebTreeScopeType::Document, main_render_frame_);
 723     main_render_frame_->SetWebFrame(web_frame);
 724   }
 725
 726   webwidget_ = WebView::create(this);
 727   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 728
 729   g_view_map.Get().insert(std::make_pair(webview(), this));
 730   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 731
 732   const base::CommandLine& command_line =
 733       *base::CommandLine::ForCurrentProcess();
 734
 735   if (command_line.HasSwitch(switches::kStatsCollectionController))
 736     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 737
 738   RenderFrameProxy* proxy = NULL;
 739   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 740     CHECK(params.swapped_out);
 741     if (main_render_frame_) {
 742       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 743           main_render_frame_, params.proxy_routing_id,
 744           blink::WebTreeScopeType::Document);
 745       main_render_frame_->set_render_frame_proxy(proxy);
 746     } else {
 747       proxy = RenderFrameProxy::CreateFrameProxy(
 748           params.proxy_routing_id,
 749           MSG_ROUTING_NONE,
 750           routing_id_,
 751           params.replicated_frame_state);
 752     }
 753   }
 754
 755   // When not using swapped out state, just use the WebRemoteFrame as the main
 756   // frame.
 757   if (proxy && SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 758     webview()->setMainFrame(proxy->web_frame());
 759     // Initialize the WebRemoteFrame with information replicated from the
 760     // browser process.
 761     proxy->SetReplicatedState(params.replicated_frame_state);
 762   } else {
 763     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 764   }
 765   if (main_render_frame_)
 766     main_render_frame_->Initialize();
 767
 768 #if defined(OS_ANDROID)
 769   content_detectors_.push_back(linked_ptr<ContentDetector>(
 770       new AddressDetector()));
 771   const std::string& contry_iso =
 772       params.renderer_preferences.network_contry_iso;
 773   if (!contry_iso.empty()) {
 774     content_detectors_.push_back(linked_ptr<ContentDetector>(
 775         new PhoneNumberDetector(contry_iso)));
 776   }
 777   content_detectors_.push_back(linked_ptr<ContentDetector>(
 778       new EmailDetector()));
 779 #endif
 780
 781   RenderThread::Get()->AddRoute(routing_id_, this);
 782   // Take a reference on behalf of the RenderThread.  This will be balanced
 783   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 784   // inherits from).
 785   AddRef();
 786   if (RenderThreadImpl::current()) {
 787     RenderThreadImpl::current()->WidgetCreated();
 788     if (is_hidden_)
 789       RenderThreadImpl::current()->WidgetHidden();
 790   }
 791
 792   // If this is a popup, we must wait for the CreatingNew_ACK message before
 793   // completing initialization.  Otherwise, we can finish it now.
 794   if (opener_id_ == MSG_ROUTING_NONE) {
 795     did_show_ = true;
 796     CompleteInit();
 797   }
 798
 799   webview()->setDeviceScaleFactor(device_scale_factor_);
 800   webview()->setDisplayMode(display_mode_);
 801   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 802       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 803   webview()->settings()->setThreadedScrollingEnabled(
 804       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 805   webview()->settings()->setRootLayerScrolls(
 806       command_line.HasSwitch(switches::kRootLayerScrolls));
 807
 808   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
 809
 810   if (switches::IsTouchDragDropEnabled())
 811     webview()->settings()->setTouchDragDropEnabled(true);
 812
 813   if (switches::IsTouchEditingEnabled())
 814     webview()->settings()->setTouchEditingEnabled(true);
 815
 816   WebSettings::SelectionStrategyType selection_strategy =
 817       WebSettings::SelectionStrategyType::Character;
 818   const std::string selection_strategy_str =
 819       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 820           switches::kTouchTextSelectionStrategy);
 821   if (selection_strategy_str == "direction")
 822     selection_strategy = WebSettings::SelectionStrategyType::Direction;
 823   webview()->settings()->setSelectionStrategy(selection_strategy);
 824
 825   // Set the main frame's name.  Only needs to be done for WebLocalFrames,
 826   // since the remote case was handled as part of SetReplicatedState on the
 827   // proxy above.
 828   if (!params.replicated_frame_state.name.empty() &&
 829       webview()->mainFrame()->isWebLocalFrame()) {
 830     webview()->mainFrame()->setName(
 831         blink::WebString::fromUTF8(params.replicated_frame_state.name));
 832   }
 833
 834   // TODO(davidben): Move this state from Blink into content.
 835   if (params.window_was_created_with_opener)
 836     webview()->setOpenedByDOM();
 837
 838   OnSetRendererPrefs(params.renderer_preferences);
 839
 840   ApplyBlinkSettings(command_line, webview()->settings());
 841
 842   if (!params.enable_auto_resize) {
 843     OnResize(params.initial_size);
 844   } else {
 845     OnEnableAutoResize(params.min_size, params.max_size);
 846   }
 847
 848   new MHTMLGenerator(this);
 849 #if defined(OS_MACOSX)
 850   new TextInputClientObserver(this);
 851 #endif  // defined(OS_MACOSX)
 852
 853   // The next group of objects all implement RenderViewObserver, so are deleted
 854   // along with the RenderView automatically.
 855   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 856
 857   history_controller_.reset(new HistoryController(this));
 858
 859   new IdleUserDetector(this);
 860
 861   if (command_line.HasSwitch(switches::kDomAutomationController))
 862     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 863   if (command_line.HasSwitch(switches::kStatsCollectionController))
 864     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 865
 866   GetContentClient()->renderer()->RenderViewCreated(this);
 867
 868   // If we have an opener_frame but we weren't created by a renderer, then it's
 869   // the browser asking us to set our opener to another frame.
 870   if (opener_frame && !was_created_by_renderer)
 871     webview()->mainFrame()->setOpener(opener_frame);
 872
 873   // If we are initially swapped out, navigate to kSwappedOutURL.
 874   // This ensures we are in a unique origin that others cannot script.
 875   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 876     main_render_frame_->NavigateToSwappedOutURL();
 877 }
 878
 879 RenderViewImpl::~RenderViewImpl() {
 880   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 881        it != disambiguation_bitmaps_.end();
 882        ++it)
 883     delete it->second;
 884
 885   // If file chooser is still waiting for answer, dispatch empty answer.
 886   while (!file_chooser_completions_.empty()) {
 887     if (file_chooser_completions_.front()->completion) {
 888       file_chooser_completions_.front()->completion->didChooseFile(
 889           WebVector<WebString>());
 890     }
 891     file_chooser_completions_.pop_front();
 892   }
 893
 894 #if defined(OS_ANDROID)
 895   // The date/time picker client is both a scoped_ptr member of this class and
 896   // a RenderViewObserver. Reset it to prevent double deletion.
 897   date_time_picker_client_.reset();
 898 #endif
 899
 900 #ifndef NDEBUG
 901   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 902   ViewMap* views = g_view_map.Pointer();
 903   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 904     DCHECK_NE(this, it->second) << "Failed to call Close?";
 905   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 906   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 907        it != routing_id_views->end(); ++it)
 908     DCHECK_NE(this, it->second) << "Failed to call Close?";
 909 #endif
 910
 911   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 912   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 913 }
 914
 915 /*static*/
 916 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 917   ViewMap* views = g_view_map.Pointer();
 918   ViewMap::iterator it = views->find(webview);
 919   return it == views->end() ? NULL : it->second;
 920 }
 921
 922 /*static*/
 923 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 924   return RenderViewImpl::FromWebView(webview);
 925 }
 926
 927 /*static*/
 928 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 929   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 930   RoutingIDViewMap::iterator it = views->find(routing_id);
 931   return it == views->end() ? NULL : it->second;
 932 }
 933
 934 /*static*/
 935 RenderView* RenderView::FromRoutingID(int routing_id) {
 936   return RenderViewImpl::FromRoutingID(routing_id);
 937 }
 938
 939 /* static */
 940 size_t RenderView::GetRenderViewCount() {
 941   return g_view_map.Get().size();
 942 }
 943
 944 /*static*/
 945 void RenderView::ForEach(RenderViewVisitor* visitor) {
 946   ViewMap* views = g_view_map.Pointer();
 947   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 948     if (!visitor->Visit(it->second))
 949       return;
 950   }
 951 }
 952
 953 /*static*/
 954 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 955                                      WebView* web_view) {
 956   WebSettings* settings = web_view->settings();
 957   ApplyFontsFromMap(prefs.standard_font_family_map,
 958                     SetStandardFontFamilyWrapper, settings);
 959   ApplyFontsFromMap(prefs.fixed_font_family_map,
 960                     SetFixedFontFamilyWrapper, settings);
 961   ApplyFontsFromMap(prefs.serif_font_family_map,
 962                     SetSerifFontFamilyWrapper, settings);
 963   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 964                     SetSansSerifFontFamilyWrapper, settings);
 965   ApplyFontsFromMap(prefs.cursive_font_family_map,
 966                     SetCursiveFontFamilyWrapper, settings);
 967   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 968                     SetFantasyFontFamilyWrapper, settings);
 969   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 970                     SetPictographFontFamilyWrapper, settings);
 971   settings->setDefaultFontSize(prefs.default_font_size);
 972   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 973   settings->setMinimumFontSize(prefs.minimum_font_size);
 974   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 975   settings->setDefaultTextEncodingName(
 976       base::ASCIIToUTF16(prefs.default_encoding));
 977   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 978   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 979   settings->setJavaScriptCanOpenWindowsAutomatically(
 980       prefs.javascript_can_open_windows_automatically);
 981   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 982   settings->setImagesEnabled(prefs.images_enabled);
 983   settings->setPluginsEnabled(prefs.plugins_enabled);
 984   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 985   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 986   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 987   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 988   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 989   settings->setJavaScriptCanAccessClipboard(
 990       prefs.javascript_can_access_clipboard);
 991   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 992   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 993   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 994   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 995   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 996   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 997   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 998   settings->setOfflineWebApplicationCacheEnabled(
 999       prefs.application_cache_enabled);
1000   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
1001   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
1002   settings->setCookieEnabled(prefs.cookie_enabled);
1003   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
1004
1005   settings->setJavaEnabled(prefs.java_enabled);
1006
1007   // By default, allow_universal_access_from_file_urls is set to false and thus
1008   // we mitigate attacks from local HTML files by not granting file:// URLs
1009   // universal access. Only test shell will enable this.
1010   settings->setAllowUniversalAccessFromFileURLs(
1011       prefs.allow_universal_access_from_file_urls);
1012   settings->setAllowFileAccessFromFileURLs(
1013       prefs.allow_file_access_from_file_urls);
1014
1015   // Enable the web audio API if requested on the command line.
1016   settings->setWebAudioEnabled(prefs.webaudio_enabled);
1017
1018   // Enable experimental WebGL support if requested on command line
1019   // and support is compiled in.
1020   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
1021
1022   // Disable GL multisampling if requested on command line.
1023   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
1024
1025   // Enable WebGL errors to the JS console if requested.
1026   settings->setWebGLErrorsToConsoleEnabled(
1027       prefs.webgl_errors_to_console_enabled);
1028
1029   // Uses the mock theme engine for scrollbars.
1030   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
1031
1032   // Enable gpu-accelerated 2d canvas if requested on the command line.
1033   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
1034
1035   settings->setMinimumAccelerated2dCanvasSize(
1036       prefs.minimum_accelerated_2d_canvas_size);
1037
1038   // Disable antialiasing for 2d canvas if requested on the command line.
1039   settings->setAntialiased2dCanvasEnabled(
1040       !prefs.antialiased_2d_canvas_disabled);
1041
1042   // Enabled antialiasing of clips for 2d canvas if requested on the command
1043   // line.
1044   settings->setAntialiasedClips2dCanvasEnabled(
1045       prefs.antialiased_clips_2d_canvas_enabled);
1046
1047   // Set MSAA sample count for 2d canvas if requested on the command line (or
1048   // default value if not).
1049   settings->setAccelerated2dCanvasMSAASampleCount(
1050       prefs.accelerated_2d_canvas_msaa_sample_count);
1051
1052   WebRuntimeFeatures::enableTextBlobs(prefs.text_blobs_enabled);
1053
1054   settings->setAsynchronousSpellCheckingEnabled(
1055       prefs.asynchronous_spell_checking_enabled);
1056   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1057
1058   // Tabs to link is not part of the settings. WebCore calls
1059   // ChromeClient::tabsToLinks which is part of the glue code.
1060   web_view->setTabsToLinks(prefs.tabs_to_links);
1061
1062   settings->setAllowDisplayOfInsecureContent(
1063       prefs.allow_displaying_insecure_content);
1064   settings->setAllowRunningOfInsecureContent(
1065       prefs.allow_running_insecure_content);
1066   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1067   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1068
1069   settings->setStrictlyBlockBlockableMixedContent(
1070       prefs.strictly_block_blockable_mixed_content);
1071
1072   settings->setStrictPowerfulFeatureRestrictions(
1073       prefs.strict_powerful_feature_restrictions);
1074   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1075   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1076   settings->setShouldClearDocumentBackground(
1077       prefs.should_clear_document_background);
1078   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1079
1080   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1081   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1082   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1083   settings->setPrimaryPointerType(
1084       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1085   settings->setAvailableHoverTypes(prefs.available_hover_types);
1086   settings->setPrimaryHoverType(
1087       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1088   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1089   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1090   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1091   settings->setMultiTargetTapNotificationEnabled(
1092       switches::IsLinkDisambiguationPopupEnabled());
1093
1094   WebRuntimeFeatures::enableImageColorProfiles(
1095       prefs.image_color_profiles_enabled);
1096   settings->setShouldRespectImageOrientation(
1097       prefs.should_respect_image_orientation);
1098
1099   settings->setUnsafePluginPastingEnabled(false);
1100   settings->setEditingBehavior(
1101       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1102
1103   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1104
1105   settings->setInvertViewportScrollOrder(prefs.invert_viewport_scroll_order);
1106   settings->setViewportEnabled(prefs.viewport_enabled);
1107   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1108   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1109   settings->setMainFrameResizesAreOrientationChanges(
1110       prefs.main_frame_resizes_are_orientation_changes);
1111
1112   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1113
1114   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1115
1116   settings->setSelectionIncludesAltImageText(true);
1117
1118   settings->setV8CacheOptions(
1119       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1120
1121   settings->setImageAnimationPolicy(
1122       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1123
1124   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1125   web_view->setDefaultPageScaleLimits(
1126       prefs.default_minimum_page_scale_factor,
1127       prefs.default_maximum_page_scale_factor);
1128
1129 #if defined(OS_ANDROID)
1130   settings->setAllowCustomScrollbarInMainFrame(false);
1131   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1132   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1133   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1134   settings->setFullscreenSupported(prefs.fullscreen_supported);
1135   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1136   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1137   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1138   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1139   settings->setMediaPlaybackRequiresUserGesture(
1140       prefs.user_gesture_required_for_media_playback);
1141   settings->setDefaultVideoPosterURL(
1142         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1143   settings->setSupportDeprecatedTargetDensityDPI(
1144       prefs.support_deprecated_target_density_dpi);
1145   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1146       prefs.use_legacy_background_size_shorthand_behavior);
1147   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1148   settings->setUseWideViewport(prefs.use_wide_viewport);
1149   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1150   settings->setViewportMetaLayoutSizeQuirk(
1151       prefs.viewport_meta_layout_size_quirk);
1152   settings->setViewportMetaMergeContentQuirk(
1153       prefs.viewport_meta_merge_content_quirk);
1154   settings->setViewportMetaNonUserScalableQuirk(
1155       prefs.viewport_meta_non_user_scalable_quirk);
1156   settings->setViewportMetaZeroValuesQuirk(
1157       prefs.viewport_meta_zero_values_quirk);
1158   settings->setClobberUserAgentInitialScaleQuirk(
1159       prefs.clobber_user_agent_initial_scale_quirk);
1160   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1161       prefs.ignore_main_frame_overflow_hidden_quirk);
1162   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1163       prefs.report_screen_size_in_physical_pixels_quirk);
1164
1165   bool record_full_layer =
1166       RenderViewImpl::FromWebView(web_view)
1167           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1168           : false;
1169   settings->setMainFrameClipsContent(!record_full_layer);
1170
1171   settings->setShrinksViewportContentToFit(true);
1172   settings->setUseMobileViewportStyle(true);
1173 #endif
1174
1175   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1176   WebNetworkStateNotifier::setWebConnectionType(
1177       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1178
1179   settings->setPinchOverlayScrollbarThickness(
1180       prefs.pinch_overlay_scrollbar_thickness);
1181   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1182
1183   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1184
1185 #if defined(OS_MACOSX)
1186   settings->setDoubleTapToZoomEnabled(true);
1187   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1188 #endif
1189
1190 #if !defined(OS_ANDROID) && !defined(OS_MACOSX)
1191   // On platforms where the pinch viewport and the layout viewport can
1192   // both show scrollbars, hide pinch scrollbars when we are near minimum
1193   // page scale. (See http://crbug.com/446411 and http://crbug.com/515746.)
1194   settings->setHidePinchScrollbarsNearMinScale(true);
1195 #endif
1196 }
1197
1198 /*static*/
1199 RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
1200                                        const ViewMsg_New_Params& params,
1201                                        bool was_created_by_renderer) {
1202   DCHECK(params.view_id != MSG_ROUTING_NONE);
1203   RenderViewImpl* render_view = NULL;
1204   if (g_create_render_view_impl)
1205     render_view = g_create_render_view_impl(compositor_deps, params);
1206   else
1207     render_view = new RenderViewImpl(compositor_deps, params);
1208
1209   render_view->Initialize(params, was_created_by_renderer);
1210   return render_view;
1211 }
1212
1213 // static
1214 void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
1215     *create_render_view_impl)(CompositorDependencies* compositor_deps,
1216                               const ViewMsg_New_Params&)) {
1217   CHECK(!g_create_render_view_impl);
1218   g_create_render_view_impl = create_render_view_impl;
1219 }
1220
1221 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1222   observers_.AddObserver(observer);
1223 }
1224
1225 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1226   observer->RenderViewGone();
1227   observers_.RemoveObserver(observer);
1228 }
1229
1230 blink::WebView* RenderViewImpl::webview() const {
1231   return static_cast<blink::WebView*>(webwidget());
1232 }
1233
1234 #if defined(ENABLE_PLUGINS)
1235 void RenderViewImpl::PepperInstanceCreated(
1236     PepperPluginInstanceImpl* instance) {
1237   active_pepper_instances_.insert(instance);
1238
1239   RenderFrameImpl* const render_frame = instance->render_frame();
1240   render_frame->Send(
1241       new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
1242 }
1243
1244 void RenderViewImpl::PepperInstanceDeleted(
1245     PepperPluginInstanceImpl* instance) {
1246   active_pepper_instances_.erase(instance);
1247
1248   if (pepper_last_mouse_event_target_ == instance)
1249     pepper_last_mouse_event_target_ = NULL;
1250   if (focused_pepper_plugin_ == instance)
1251     PepperFocusChanged(instance, false);
1252
1253   RenderFrameImpl* const render_frame = instance->render_frame();
1254   if (render_frame)
1255     render_frame->Send(
1256         new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
1257 }
1258
1259 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1260                                         bool focused) {
1261   if (focused)
1262     focused_pepper_plugin_ = instance;
1263   else if (focused_pepper_plugin_ == instance)
1264     focused_pepper_plugin_ = NULL;
1265
1266   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
1267   UpdateSelectionBounds();
1268 }
1269
1270 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1271   plugin_delegates_.insert(delegate);
1272   // If the renderer is visible, set initial visibility and focus state.
1273   if (!is_hidden()) {
1274 #if defined(OS_MACOSX)
1275     delegate->SetContainerVisibility(true);
1276     if (webview() && webview()->isActive())
1277       delegate->SetWindowFocus(true);
1278 #endif
1279   }
1280   // Plugins start assuming the content has focus (so that they work in
1281   // environments where RenderView isn't hosting them), so we always have to
1282   // set the initial state. See webplugin_delegate_impl.h for details.
1283   delegate->SetContentAreaFocus(has_focus());
1284 }
1285
1286 void RenderViewImpl::UnregisterPluginDelegate(
1287     WebPluginDelegateProxy* delegate) {
1288   plugin_delegates_.erase(delegate);
1289 }
1290
1291 #if defined(OS_WIN)
1292 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1293   if (focused)
1294     focused_plugin_id_ = plugin_id;
1295   else
1296     focused_plugin_id_ = -1;
1297 }
1298 #endif
1299
1300 #if defined(OS_MACOSX)
1301 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1302   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1303 }
1304
1305 void RenderViewImpl::OnGetRenderedText() {
1306   if (!webview())
1307     return;
1308   // Get rendered text from WebLocalFrame.
1309   // TODO: Currently IPC truncates any data that has a
1310   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1311   // send back using multiple IPC. See http://crbug.com/393444.
1312   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1313   std::string text = webview()->mainFrame()->contentAsText(
1314       kMaximumMessageSize).utf8();
1315
1316   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1317 }
1318
1319 void RenderViewImpl::StartPluginIme() {
1320   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1321   // This message can be sent during event-handling, and needs to be delivered
1322   // within that context.
1323   msg->set_unblock(true);
1324   Send(msg);
1325 }
1326 #endif  // defined(OS_MACOSX)
1327
1328 #endif  // ENABLE_PLUGINS
1329
1330 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1331     const blink::WebActiveWheelFlingParameters& params) {
1332   if (webview())
1333     webview()->transferActiveWheelFlingAnimation(params);
1334 }
1335
1336 bool RenderViewImpl::HasIMETextFocus() {
1337   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1338 }
1339
1340 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1341   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1342   if (main_frame && main_frame->isWebLocalFrame())
1343     GetContentClient()->SetActiveURL(main_frame->document().url());
1344
1345   base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1346   RenderViewObserver* observer;
1347   while ((observer = it.GetNext()) != NULL)
1348     if (observer->OnMessageReceived(message))
1349       return true;
1350
1351   bool handled = true;
1352   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1353     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1354     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1355     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1356                         OnScrollFocusedEditableNodeIntoRect)
1357     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1358                         OnSetEditCommandsForNextKeyEvent)
1359     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1360     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1361     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1362     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1363     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1364     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1365     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1366                         OnSetZoomLevelForLoadingURL)
1367     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1368                         OnSetZoomLevelForView)
1369     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1370     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1371                         OnResetPageEncodingToDefault)
1372     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1373     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1374     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1375     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1376     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1377     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1378                         OnDragSourceSystemDragEnded)
1379     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1380     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1381     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1382     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1383     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1384                         OnEnumerateDirectoryResponse)
1385     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1386     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1387                         OnSuppressDialogsUntilSwapOut)
1388     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1389     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1390     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1391     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1392     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1393     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1394                         OnEnablePreferredSizeChangedMode)
1395     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1396     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1397     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1398                         OnDisableScrollbarsForSmallWindows)
1399     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1400     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1401     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1402     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1403     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1404                         OnGetAllSavableResourceLinksForCurrentPage)
1405     IPC_MESSAGE_HANDLER(
1406         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1407         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1408     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1409     // TODO(viettrungluu): Move to a separate message filter.
1410     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1411                         OnSetHistoryOffsetAndLength)
1412     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1413     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1414                         OnReleaseDisambiguationPopupBitmap)
1415     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1416     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1417 #if defined(OS_ANDROID)
1418     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1419                         OnActivateNearestFindResult)
1420     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1421     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1422                         OnUpdateTopControlsState)
1423     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1424 #elif defined(OS_MACOSX)
1425     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1426                         OnGetRenderedText)
1427     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1428                         OnPluginImeCompositionCompleted)
1429     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1430     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1431     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1432     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1433 #endif
1434     // Adding a new message? Add platform independent ones first, then put the
1435     // platform specific ones at the end.
1436
1437     // Have the super handle all other messages.
1438     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1439   IPC_END_MESSAGE_MAP()
1440
1441   return handled;
1442 }
1443
1444 void RenderViewImpl::OnSelectWordAroundCaret() {
1445   if (!webview())
1446     return;
1447
1448   handling_input_event_ = true;
1449   webview()->focusedFrame()->selectWordAroundCaret();
1450   handling_input_event_ = false;
1451 }
1452
1453 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1454   webview()->copyImageAt(WebPoint(x, y));
1455 }
1456
1457 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1458   webview()->saveImageAt(WebPoint(x, y));
1459 }
1460
1461 void RenderViewImpl::OnUpdateTargetURLAck() {
1462   // Check if there is a targeturl waiting to be sent.
1463   if (target_url_status_ == TARGET_PENDING)
1464     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1465
1466   target_url_status_ = TARGET_NONE;
1467 }
1468
1469 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1470     const std::string& value) {
1471   if (!webview() || !webview()->focusedFrame())
1472     return;
1473
1474   webview()->focusedFrame()->executeCommand(
1475       WebString::fromUTF8(name), WebString::fromUTF8(value));
1476 }
1477
1478 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1479   if (!webview())
1480     return;
1481
1482   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1483
1484   webview()->focusedFrame()->moveCaretSelection(point);
1485 }
1486
1487 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1488     const gfx::Rect& rect) {
1489   if (has_scrolled_focused_editable_node_into_rect_ &&
1490       rect == rect_for_scrolled_focused_editable_node_) {
1491     FocusChangeComplete();
1492     return;
1493   }
1494
1495   blink::WebElement element = GetFocusedElement();
1496   bool will_animate = false;
1497   if (!element.isNull() && IsEditableNode(element)) {
1498     rect_for_scrolled_focused_editable_node_ = rect;
1499     has_scrolled_focused_editable_node_into_rect_ = true;
1500     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1501   }
1502
1503   if (!will_animate)
1504     FocusChangeComplete();
1505 }
1506
1507 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1508     const EditCommands& edit_commands) {
1509   edit_commands_ = edit_commands;
1510 }
1511
1512 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1513                                                  int history_length) {
1514   DCHECK_GE(history_offset, -1);
1515   DCHECK_GE(history_length, 0);
1516
1517   history_list_offset_ = history_offset;
1518   history_list_length_ = history_length;
1519 }
1520
1521 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1522   if (!webview())
1523     return;
1524   webview()->setInitialFocus(reverse);
1525 }
1526
1527 #if defined(OS_MACOSX)
1528 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1529   if (!webview())
1530     return;
1531   if (in_live_resize)
1532     webview()->willStartLiveResize();
1533   else
1534     webview()->willEndLiveResize();
1535 }
1536 #endif
1537
1538 ///////////////////////////////////////////////////////////////////////////////
1539
1540 void RenderViewImpl::SendUpdateState() {
1541   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1542   if (!entry)
1543     return;
1544
1545   // Don't send state updates for kSwappedOutURL.
1546   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1547     return;
1548
1549   Send(new ViewHostMsg_UpdateState(
1550       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1551 }
1552
1553 void RenderViewImpl::ApplyWebPreferencesInternal(
1554     const WebPreferences& prefs,
1555     blink::WebView* web_view,
1556     CompositorDependencies* compositor_deps) {
1557   ApplyWebPreferences(prefs, web_view);
1558 #if defined(OS_MACOSX) && !defined(OS_IOS)
1559   DCHECK(compositor_deps);
1560   bool is_elastic_overscroll_enabled =
1561       compositor_deps->IsElasticOverscrollEnabled();
1562   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1563 #endif
1564 }
1565
1566 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1567   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1568   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1569   // it is particularly important that we do not call willEnterModalLoop as
1570   // that would defer resource loads for the dialog itself.
1571   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1572     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1573
1574   message->EnableMessagePumping();  // Runs a nested message loop.
1575   return Send(message);
1576 }
1577
1578 void RenderViewImpl::OnForceRedraw(int id) {
1579   ui::LatencyInfo latency_info;
1580   if (id) {
1581     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1582                                   0,
1583                                   id);
1584   }
1585   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1586   if (RenderWidgetCompositor* rwc = compositor()) {
1587     latency_info_swap_promise_monitor =
1588         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1589   }
1590   ScheduleCompositeWithForcedRedraw();
1591 }
1592
1593 // blink::WebViewClient ------------------------------------------------------
1594
1595 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1596                                     const WebURLRequest& request,
1597                                     const WebWindowFeatures& features,
1598                                     const WebString& frame_name,
1599                                     WebNavigationPolicy policy,
1600                                     bool suppress_opener) {
1601   ViewHostMsg_CreateWindow_Params params;
1602   params.opener_id = routing_id_;
1603   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1604   if (GetContentClient()->renderer()->AllowPopup())
1605     params.user_gesture = true;
1606   params.window_container_type = WindowFeaturesToContainerType(features);
1607   params.session_storage_namespace_id = session_storage_namespace_id_;
1608   if (frame_name != "_blank")
1609     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1610   params.opener_render_frame_id =
1611       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1612   params.opener_url = creator->document().url();
1613
1614   // The browser process uses the top frame's URL for a content settings check
1615   // to determine whether the popup is allowed.  If the top frame is remote,
1616   // its URL is not available, so use its replicated origin instead.
1617   //
1618   // TODO(alexmos): This works fine for regular origins but may break path
1619   // matching for file URLs with OOP subframes that open popups.  This should
1620   // be fixed by either moving this lookup to the browser process or removing
1621   // path-based matching for file URLs from content settings.  See
1622   // https://crbug.com/466297.
1623   if (creator->top()->isWebLocalFrame()) {
1624     params.opener_top_level_frame_url = creator->top()->document().url();
1625   } else {
1626     params.opener_top_level_frame_url =
1627         GURL(creator->top()->securityOrigin().toString());
1628   }
1629
1630   GURL security_url(creator->document().securityOrigin().toString());
1631   if (!security_url.is_valid())
1632     security_url = GURL();
1633   params.opener_security_origin = security_url;
1634   params.opener_suppressed = suppress_opener;
1635   params.disposition = NavigationPolicyToDisposition(policy);
1636   if (!request.isNull()) {
1637     params.target_url = request.url();
1638     params.referrer = GetReferrerFromRequest(creator, request);
1639   }
1640   params.features = features;
1641
1642   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1643     params.additional_features.push_back(features.additionalFeatures[i]);
1644
1645   int32 routing_id = MSG_ROUTING_NONE;
1646   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1647   int32 surface_id = 0;
1648   int64 cloned_session_storage_namespace_id = 0;
1649
1650   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1651       params, &routing_id, &main_frame_routing_id, &surface_id,
1652       &cloned_session_storage_namespace_id));
1653   if (routing_id == MSG_ROUTING_NONE)
1654     return NULL;
1655
1656   WebUserGestureIndicator::consumeUserGesture();
1657
1658   // While this view may be a background extension page, it can spawn a visible
1659   // render view. So we just assume that the new one is not another background
1660   // page instead of passing on our own value.
1661   // TODO(vangelis): Can we tell if the new view will be a background page?
1662   bool never_visible = false;
1663
1664   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1665   initial_size.screen_info = screen_info_;
1666
1667   // The initial hidden state for the RenderViewImpl here has to match what the
1668   // browser will eventually decide for the given disposition. Since we have to
1669   // return from this call synchronously, we just have to make our best guess
1670   // and rely on the browser sending a WasHidden / WasShown message if it
1671   // disagrees.
1672   ViewMsg_New_Params view_params;
1673
1674   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1675   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1676   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1677
1678   view_params.window_was_created_with_opener = true;
1679   view_params.renderer_preferences = renderer_preferences_;
1680   view_params.web_preferences = webkit_preferences_;
1681   view_params.view_id = routing_id;
1682   view_params.main_frame_routing_id = main_frame_routing_id;
1683   view_params.surface_id = surface_id;
1684   view_params.session_storage_namespace_id =
1685       cloned_session_storage_namespace_id;
1686   view_params.swapped_out = false;
1687   // WebCore will take care of setting the correct name.
1688   view_params.replicated_frame_state = FrameReplicationState();
1689   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1690   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1691   view_params.never_visible = never_visible;
1692   view_params.next_page_id = 1;
1693   view_params.initial_size = initial_size;
1694   view_params.enable_auto_resize = false;
1695   view_params.min_size = gfx::Size();
1696   view_params.max_size = gfx::Size();
1697
1698   RenderViewImpl* view =
1699       RenderViewImpl::Create(compositor_deps_, view_params, true);
1700   view->opened_by_user_gesture_ = params.user_gesture;
1701
1702   // Record whether the creator frame is trying to suppress the opener field.
1703   view->opener_suppressed_ = params.opener_suppressed;
1704
1705   return view->webview();
1706 }
1707
1708 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1709   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1710                                               popup_type, screen_info_);
1711   if (!widget)
1712     return NULL;
1713   if (screen_metrics_emulator_) {
1714     widget->SetPopupOriginAdjustmentsForEmulation(
1715         screen_metrics_emulator_.get());
1716   }
1717   return widget->webwidget();
1718 }
1719
1720 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1721   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1722   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1723 }
1724
1725 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1726   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1727                     PrintPage(frame, handling_input_event_));
1728 }
1729
1730 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1731   // Note: We should basically send GURL but we use size-limited string instead
1732   // in order to send a larger data url to save a image for <canvas> or <img>.
1733   if (data_url.length() < kMaxLengthOfDataURLString)
1734     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1735 }
1736
1737 bool RenderViewImpl::enumerateChosenDirectory(
1738     const WebString& path,
1739     WebFileChooserCompletion* chooser_completion) {
1740   int id = enumeration_completion_id_++;
1741   enumeration_completions_[id] = chooser_completion;
1742   return Send(new ViewHostMsg_EnumerateDirectory(
1743       routing_id_,
1744       id,
1745       base::FilePath::FromUTF16Unsafe(path)));
1746 }
1747
1748 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1749   DCHECK_GE(frames_in_progress_, 0);
1750   if (frames_in_progress_ == 0)
1751     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1752   frames_in_progress_++;
1753 }
1754
1755 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1756   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1757   // calls DidStopLoading() without a matching DidStartLoading().
1758   if (frames_in_progress_ == 0)
1759     return;
1760   frames_in_progress_--;
1761   if (frames_in_progress_ == 0) {
1762     DidStopLoadingIcons();
1763     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1764   }
1765 }
1766
1767 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1768   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1769 }
1770
1771 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1772   if (edit_commands_.empty())
1773     return false;
1774
1775   WebFrame* frame = webview()->focusedFrame();
1776   if (!frame)
1777     return false;
1778
1779   EditCommands::iterator it = edit_commands_.begin();
1780   EditCommands::iterator end = edit_commands_.end();
1781
1782   bool did_execute_command = false;
1783   for (; it != end; ++it) {
1784     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1785     // key (but it's the exception). Once one edit command is not executed, it
1786     // seems safest to not execute the rest.
1787     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1788                                WebString::fromUTF8(it->value),
1789                                GetFocusedElement()))
1790       break;
1791     did_execute_command = true;
1792   }
1793
1794   return did_execute_command;
1795 }
1796
1797 bool RenderViewImpl::runFileChooser(
1798     const blink::WebFileChooserParams& params,
1799     WebFileChooserCompletion* chooser_completion) {
1800   // Do not open the file dialog in a hidden RenderView.
1801   if (is_hidden())
1802     return false;
1803   FileChooserParams ipc_params;
1804   if (params.directory)
1805     ipc_params.mode = FileChooserParams::UploadFolder;
1806   else if (params.multiSelect)
1807     ipc_params.mode = FileChooserParams::OpenMultiple;
1808   else if (params.saveAs)
1809     ipc_params.mode = FileChooserParams::Save;
1810   else
1811     ipc_params.mode = FileChooserParams::Open;
1812   ipc_params.title = params.title;
1813   ipc_params.default_file_name =
1814       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1815   ipc_params.accept_types.reserve(params.acceptTypes.size());
1816   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1817     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1818   ipc_params.need_local_path = params.needLocalPath;
1819 #if defined(OS_ANDROID)
1820   ipc_params.capture = params.useMediaCapture;
1821 #endif
1822
1823   return ScheduleFileChooser(ipc_params, chooser_completion);
1824 }
1825
1826 void RenderViewImpl::SetValidationMessageDirection(
1827     base::string16* wrapped_main_text,
1828     blink::WebTextDirection main_text_hint,
1829     base::string16* wrapped_sub_text,
1830     blink::WebTextDirection sub_text_hint) {
1831   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1832     *wrapped_main_text =
1833         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1834   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1835              !base::i18n::IsRTL()) {
1836     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1837   }
1838
1839   if (!wrapped_sub_text->empty()) {
1840     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1841       *wrapped_sub_text =
1842           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1843     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1844       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1845     }
1846   }
1847 }
1848
1849 void RenderViewImpl::showValidationMessage(
1850     const blink::WebRect& anchor_in_root_view,
1851     const blink::WebString& main_text,
1852     blink::WebTextDirection main_text_hint,
1853     const blink::WebString& sub_text,
1854     blink::WebTextDirection sub_text_hint) {
1855   base::string16 wrapped_main_text = main_text;
1856   base::string16 wrapped_sub_text = sub_text;
1857
1858   SetValidationMessageDirection(
1859       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1860
1861   Send(new ViewHostMsg_ShowValidationMessage(
1862       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1863       wrapped_main_text, wrapped_sub_text));
1864 }
1865
1866 void RenderViewImpl::hideValidationMessage() {
1867   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1868 }
1869
1870 void RenderViewImpl::moveValidationMessage(
1871     const blink::WebRect& anchor_in_root_view) {
1872   Send(new ViewHostMsg_MoveValidationMessage(
1873       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1874 }
1875
1876 void RenderViewImpl::setStatusText(const WebString& text) {
1877 }
1878
1879 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1880                                      const GURL& fallback_url) {
1881   GURL latest_url = url.is_empty() ? fallback_url : url;
1882   if (latest_url == target_url_)
1883     return;
1884
1885   // Tell the browser to display a destination link.
1886   if (target_url_status_ == TARGET_INFLIGHT ||
1887       target_url_status_ == TARGET_PENDING) {
1888     // If we have a request in-flight, save the URL to be sent when we
1889     // receive an ACK to the in-flight request. We can happily overwrite
1890     // any existing pending sends.
1891     pending_target_url_ = latest_url;
1892     target_url_status_ = TARGET_PENDING;
1893   } else {
1894     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1895     // see |ParamTraits<GURL>|.
1896     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1897       latest_url = GURL();
1898     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1899     target_url_ = latest_url;
1900     target_url_status_ = TARGET_INFLIGHT;
1901   }
1902 }
1903
1904 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1905     const gfx::RectF& rect) const {
1906   gfx::RectF window_rect = rect;
1907   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1908   return window_rect;
1909 }
1910
1911 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1912   int delay;
1913   if (send_content_state_immediately_)
1914     delay = 0;
1915   else if (is_hidden())
1916     delay = kDelaySecondsForContentStateSyncHidden;
1917   else
1918     delay = kDelaySecondsForContentStateSync;
1919
1920   if (nav_state_sync_timer_.IsRunning()) {
1921     // The timer is already running. If the delay of the timer maches the amount
1922     // we want to delay by, then return. Otherwise stop the timer so that it
1923     // gets started with the right delay.
1924     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1925       return;
1926     nav_state_sync_timer_.Stop();
1927   }
1928
1929   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1930                               &RenderViewImpl::SendUpdateState);
1931 }
1932
1933 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1934   mouse_over_url_ = GURL(url);
1935   UpdateTargetURL(mouse_over_url_, focus_url_);
1936 }
1937
1938 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1939   focus_url_ = GURL(url);
1940   UpdateTargetURL(focus_url_, mouse_over_url_);
1941 }
1942
1943 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1944                                    const WebDragData& data,
1945                                    WebDragOperationsMask mask,
1946                                    const WebImage& image,
1947                                    const WebPoint& webImageOffset) {
1948   DropData drop_data(DropDataBuilder::Build(data));
1949   drop_data.referrer_policy = frame->document().referrerPolicy();
1950   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1951   Send(new DragHostMsg_StartDragging(routing_id_,
1952                                      drop_data,
1953                                      mask,
1954                                      image.getSkBitmap(),
1955                                      imageOffset,
1956                                      possible_drag_event_info_));
1957 }
1958
1959 bool RenderViewImpl::acceptsLoadDrops() {
1960   return renderer_preferences_.can_accept_load_drops;
1961 }
1962
1963 void RenderViewImpl::focusNext() {
1964   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1965 }
1966
1967 void RenderViewImpl::focusPrevious() {
1968   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1969 }
1970
1971 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1972                                         const WebNode& toNode) {
1973   has_scrolled_focused_editable_node_into_rect_ = false;
1974
1975   gfx::Rect node_bounds;
1976   if (!toNode.isNull() && toNode.isElementNode()) {
1977     WebNode web_node = const_cast<WebNode&>(toNode);
1978     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1979   }
1980   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1981                                           node_bounds));
1982
1983   // TODO(estade): remove.
1984   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1985
1986   RenderFrameImpl* previous_frame = nullptr;
1987   if (!fromNode.isNull())
1988     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1989   RenderFrameImpl* new_frame = nullptr;
1990   if (!toNode.isNull())
1991     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1992
1993   if (previous_frame && previous_frame != new_frame)
1994     previous_frame->FocusedNodeChanged(WebNode());
1995   if (new_frame)
1996     new_frame->FocusedNodeChanged(toNode);
1997
1998   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1999   if (main_render_frame_)
2000     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
2001 }
2002
2003 void RenderViewImpl::didUpdateLayout() {
2004   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
2005
2006   // We don't always want to set up a timer, only if we've been put in that
2007   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2008   // message.
2009   if (!send_preferred_size_changes_ || !webview())
2010     return;
2011
2012   if (check_preferred_size_timer_.IsRunning())
2013     return;
2014   check_preferred_size_timer_.Start(FROM_HERE,
2015                                     TimeDelta::FromMilliseconds(0), this,
2016                                     &RenderViewImpl::CheckPreferredSize);
2017 }
2018
2019 void RenderViewImpl::navigateBackForwardSoon(int offset) {
2020   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
2021 }
2022
2023 int RenderViewImpl::historyBackListCount() {
2024   return history_list_offset_ < 0 ? 0 : history_list_offset_;
2025 }
2026
2027 int RenderViewImpl::historyForwardListCount() {
2028   return history_list_length_ - historyBackListCount() - 1;
2029 }
2030
2031 // blink::WebWidgetClient ----------------------------------------------------
2032
2033 void RenderViewImpl::didFocus() {
2034   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
2035   //                 we won't have to test for user gesture anymore and we can
2036   //                 move that code back to render_widget.cc
2037   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2038       !RenderThreadImpl::current()->layout_test_mode()) {
2039     Send(new ViewHostMsg_Focus(routing_id_));
2040   }
2041 }
2042
2043 void RenderViewImpl::didBlur() {
2044   // TODO(jcivelli): see TODO above in didFocus().
2045   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2046       !RenderThreadImpl::current()->layout_test_mode()) {
2047     Send(new ViewHostMsg_Blur(routing_id_));
2048   }
2049 }
2050
2051 // We are supposed to get a single call to Show for a newly created RenderView
2052 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2053 // point to dispatch the ShowView message.
2054 //
2055 // This method provides us with the information about how to display the newly
2056 // created RenderView (i.e., as a blocked popup or as a new tab).
2057 //
2058 void RenderViewImpl::show(WebNavigationPolicy policy) {
2059   if (did_show_) {
2060     // When supports_multiple_windows is disabled, popups are reusing
2061     // the same view. In some scenarios, this makes WebKit to call show() twice.
2062     if (webkit_preferences_.supports_multiple_windows)
2063       NOTREACHED() << "received extraneous Show call";
2064     return;
2065   }
2066   did_show_ = true;
2067
2068   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2069
2070   // NOTE: initial_rect_ may still have its default values at this point, but
2071   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2072   // browser process will impose a default position otherwise.
2073   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2074       NavigationPolicyToDisposition(policy), initial_rect_,
2075       opened_by_user_gesture_));
2076   SetPendingWindowRect(initial_rect_);
2077 }
2078
2079 bool RenderViewImpl::requestPointerLock() {
2080   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2081 }
2082
2083 void RenderViewImpl::requestPointerUnlock() {
2084   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2085 }
2086
2087 bool RenderViewImpl::isPointerLocked() {
2088   return mouse_lock_dispatcher_->IsMouseLockedTo(
2089       webwidget_mouse_lock_target_.get());
2090 }
2091
2092 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2093   FOR_EACH_OBSERVER(
2094       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2095 }
2096
2097 void RenderViewImpl::didHandleGestureEvent(
2098     const WebGestureEvent& event,
2099     bool event_cancelled) {
2100   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2101
2102   if (!event_cancelled) {
2103     FOR_EACH_OBSERVER(
2104         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2105   }
2106
2107   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2108   // crbug/420130.
2109 #if defined(OS_WIN)
2110   if (event.type != blink::WebGestureEvent::GestureTap)
2111     return;
2112
2113   // TODO(estade): hit test the event against focused node to make sure
2114   // the tap actually hit the focused node.
2115   blink::WebTextInputType text_input_type =
2116       GetWebView()->textInputInfo().type;
2117
2118   Send(new ViewHostMsg_FocusedNodeTouched(
2119       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2120 #endif
2121 }
2122
2123 void RenderViewImpl::initializeLayerTreeView() {
2124   RenderWidget::initializeLayerTreeView();
2125   RenderWidgetCompositor* rwc = compositor();
2126   if (!rwc)
2127     return;
2128
2129   bool use_threaded_event_handling = true;
2130 #if defined(OS_MACOSX) && !defined(OS_IOS)
2131   // Disable threaded event handling if content is not handling the elastic
2132   // overscroll effect. This includes the cases where the elastic overscroll
2133   // effect is being handled by Blink (because of command line flags) and older
2134   // operating system versions which do not have an elastic overscroll effect
2135   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2136   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2137 #endif
2138   if (use_threaded_event_handling) {
2139     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2140     // render_thread may be NULL in tests.
2141     InputHandlerManager* input_handler_manager =
2142         render_thread ? render_thread->input_handler_manager() : NULL;
2143     if (input_handler_manager) {
2144       input_handler_manager->AddInputHandler(
2145           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2146     }
2147   }
2148 }
2149
2150 // blink::WebFrameClient -----------------------------------------------------
2151
2152 void RenderViewImpl::Repaint(const gfx::Size& size) {
2153   OnRepaint(size);
2154 }
2155
2156 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2157                                                    const std::string& value) {
2158   EditCommands edit_commands;
2159   edit_commands.push_back(EditCommand(name, value));
2160   OnSetEditCommandsForNextKeyEvent(edit_commands);
2161 }
2162
2163 void RenderViewImpl::ClearEditCommands() {
2164   edit_commands_.clear();
2165 }
2166
2167 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2168   std::string security_info;
2169   if (frame && frame->dataSource())
2170     security_info = frame->dataSource()->response().securityInfo();
2171
2172   SSLStatus result;
2173   CHECK(DeserializeSecurityInfo(security_info, &result));
2174   return result;
2175 }
2176
2177 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2178   return renderer_preferences_.accept_languages;
2179 }
2180
2181 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2182                                    WebIconURL::Type icon_type) {
2183   if (frame->parent())
2184     return;
2185
2186   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2187   std::vector<FaviconURL> urls;
2188   for (size_t i = 0; i < icon_urls.size(); i++) {
2189     std::vector<gfx::Size> sizes;
2190     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2191     urls.push_back(FaviconURL(
2192         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2193   }
2194   SendUpdateFaviconURL(urls);
2195 }
2196
2197 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2198   StartNavStateSyncTimerIfNecessary();
2199 }
2200
2201 void RenderViewImpl::CheckPreferredSize() {
2202   // We don't always want to send the change messages over IPC, only if we've
2203   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2204   // message.
2205   if (!send_preferred_size_changes_ || !webview())
2206     return;
2207
2208   gfx::Size size = webview()->contentsPreferredMinimumSize();
2209   if (size == preferred_size_)
2210     return;
2211
2212   preferred_size_ = size;
2213   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2214                                                       preferred_size_));
2215 }
2216
2217 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2218   StartNavStateSyncTimerIfNecessary();
2219 }
2220
2221 void RenderViewImpl::SendFindReply(int request_id,
2222                                    int match_count,
2223                                    int ordinal,
2224                                    const WebRect& selection_rect,
2225                                    bool final_status_update) {
2226   Send(new ViewHostMsg_Find_Reply(routing_id_,
2227                                   request_id,
2228                                   match_count,
2229                                   selection_rect,
2230                                   ordinal,
2231                                   final_status_update));
2232 }
2233
2234 blink::WebString RenderViewImpl::acceptLanguages() {
2235   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2236 }
2237
2238 // blink::WebPageSerializerClient implementation ------------------------------
2239
2240 void RenderViewImpl::didSerializeDataForFrame(
2241     const WebURL& frame_url,
2242     const WebCString& data,
2243     WebPageSerializerClient::PageSerializationStatus status) {
2244   Send(new ViewHostMsg_SendSerializedHtmlData(
2245     routing_id(),
2246     frame_url,
2247     data.data(),
2248     static_cast<int32>(status)));
2249 }
2250
2251 // RenderView implementation ---------------------------------------------------
2252
2253 bool RenderViewImpl::Send(IPC::Message* message) {
2254   return RenderWidget::Send(message);
2255 }
2256
2257 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2258   return main_render_frame_;
2259 }
2260
2261 int RenderViewImpl::GetRoutingID() const {
2262   return routing_id_;
2263 }
2264
2265 gfx::Size RenderViewImpl::GetSize() const {
2266   return size();
2267 }
2268
2269 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2270   return webkit_preferences_;
2271 }
2272
2273 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2274   OnUpdateWebPreferences(preferences);
2275 }
2276
2277 blink::WebView* RenderViewImpl::GetWebView() {
2278   return webview();
2279 }
2280
2281 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2282   if (node.isNull())
2283     return false;
2284
2285   if (node.isContentEditable())
2286     return true;
2287
2288   if (node.isElementNode()) {
2289     const WebElement& element = node.toConst<WebElement>();
2290     if (element.isTextFormControlElement()) {
2291       if (!(element.hasAttribute("readonly") ||
2292             element.hasAttribute("disabled")))
2293         return true;
2294     }
2295
2296     return base::LowerCaseEqualsASCII(
2297         base::StringPiece16(element.getAttribute("role")), "textbox");
2298   }
2299
2300   return false;
2301 }
2302
2303 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2304   return (!send_preferred_size_changes_ ||
2305           (disable_scrollbars_size_limit_.width() <= width ||
2306            disable_scrollbars_size_limit_.height() <= height));
2307 }
2308
2309 int RenderViewImpl::GetEnabledBindings() const {
2310   return enabled_bindings_;
2311 }
2312
2313 bool RenderViewImpl::GetContentStateImmediately() const {
2314   return send_content_state_immediately_;
2315 }
2316
2317 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2318   return visibilityState();
2319 }
2320
2321 void RenderViewImpl::DidStartLoading() {
2322   main_render_frame_->didStartLoading(true);
2323 }
2324
2325 void RenderViewImpl::DidStopLoading() {
2326   main_render_frame_->didStopLoading();
2327 }
2328
2329 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2330   if (!webview())
2331     return WebElement();
2332   WebFrame* focused_frame = webview()->focusedFrame();
2333   if (focused_frame) {
2334     WebDocument doc = focused_frame->document();
2335     if (!doc.isNull())
2336       return doc.focusedElement();
2337   }
2338
2339   return WebElement();
2340 }
2341
2342 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2343   if (!webview())
2344     return NULL;
2345
2346   WebFrame* main_frame = webview()->mainFrame();
2347   if (main_frame->isWebLocalFrame() &&
2348       main_frame->document().isPluginDocument())
2349     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2350
2351 #if defined(ENABLE_PLUGINS)
2352   if (plugin_find_handler_)
2353     return plugin_find_handler_->container()->plugin();
2354 #endif
2355
2356   return NULL;
2357 }
2358
2359 void RenderViewImpl::OnFind(int request_id,
2360                             const base::string16& search_text,
2361                             const WebFindOptions& options) {
2362   WebFrame* main_frame = webview()->mainFrame();
2363   blink::WebPlugin* plugin = GetWebPluginForFind();
2364   // Check if the plugin still exists in the document.
2365   if (plugin) {
2366     if (options.findNext) {
2367       // Just navigate back/forward.
2368       plugin->selectFindResult(options.forward);
2369     } else {
2370       if (!plugin->startFind(
2371           search_text, options.matchCase, request_id)) {
2372         // Send "no results".
2373         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2374       }
2375     }
2376     return;
2377   }
2378
2379   WebFrame* frame_after_main = main_frame->traverseNext(true);
2380   WebFrame* focused_frame = webview()->focusedFrame();
2381   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2382
2383   bool multi_frame = (frame_after_main != main_frame);
2384
2385   // If we have multiple frames, we don't want to wrap the search within the
2386   // frame, so we check here if we only have main_frame in the chain.
2387   bool wrap_within_frame = !multi_frame;
2388
2389   WebRect selection_rect;
2390   bool result = false;
2391
2392   // If something is selected when we start searching it means we cannot just
2393   // increment the current match ordinal; we need to re-generate it.
2394   WebRange current_selection = focused_frame->selectionRange();
2395
2396   do {
2397     result = search_frame->find(
2398         request_id, search_text, options, wrap_within_frame, &selection_rect);
2399
2400     if (!result) {
2401       // don't leave text selected as you move to the next frame.
2402       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2403                                    GetFocusedElement());
2404
2405       // Find the next frame, but skip the invisible ones.
2406       do {
2407         // What is the next frame to search? (we might be going backwards). Note
2408         // that we specify wrap=true so that search_frame never becomes NULL.
2409         search_frame = options.forward ?
2410             search_frame->traverseNext(true) :
2411             search_frame->traversePrevious(true);
2412       } while (!search_frame->hasVisibleContent() &&
2413                search_frame != focused_frame);
2414
2415       // Make sure selection doesn't affect the search operation in new frame.
2416       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2417                                    GetFocusedElement());
2418
2419       // If we have multiple frames and we have wrapped back around to the
2420       // focused frame, we need to search it once more allowing wrap within
2421       // the frame, otherwise it will report 'no match' if the focused frame has
2422       // reported matches, but no frames after the focused_frame contain a
2423       // match for the search word(s).
2424       if (multi_frame && search_frame == focused_frame) {
2425         result = search_frame->find(
2426             request_id, search_text, options, true,  // Force wrapping.
2427             &selection_rect);
2428       }
2429     }
2430
2431     webview()->setFocusedFrame(search_frame);
2432   } while (!result && search_frame != focused_frame);
2433
2434   if (options.findNext && current_selection.isNull()) {
2435     // Force the main_frame to report the actual count.
2436     main_frame->increaseMatchCount(0, request_id);
2437   } else {
2438     // If nothing is found, set result to "0 of 0", otherwise, set it to
2439     // "-1 of 1" to indicate that we found at least one item, but we don't know
2440     // yet what is active.
2441     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2442     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2443
2444     // If we find no matches then this will be our last status update.
2445     // Otherwise the scoping effort will send more results.
2446     bool final_status_update = !result;
2447
2448     SendFindReply(request_id, match_count, ordinal, selection_rect,
2449                   final_status_update);
2450
2451     // Scoping effort begins, starting with the mainframe.
2452     search_frame = main_frame;
2453
2454     main_frame->resetMatchCount();
2455
2456     do {
2457       // Cancel all old scoping requests before starting a new one.
2458       search_frame->cancelPendingScopingEffort();
2459
2460       // We don't start another scoping effort unless at least one match has
2461       // been found.
2462       if (result) {
2463         // Start new scoping request. If the scoping function determines that it
2464         // needs to scope, it will defer until later.
2465         search_frame->scopeStringMatches(request_id,
2466                                          search_text,
2467                                          options,
2468                                          true);  // reset the tickmarks
2469       }
2470
2471       // Iterate to the next frame. The frame will not necessarily scope, for
2472       // example if it is not visible.
2473       search_frame = search_frame->traverseNext(true);
2474     } while (search_frame != main_frame);
2475   }
2476 }
2477
2478 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2479   WebView* view = webview();
2480   if (!view)
2481     return;
2482
2483   blink::WebPlugin* plugin = GetWebPluginForFind();
2484   if (plugin) {
2485     plugin->stopFind();
2486     return;
2487   }
2488
2489   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2490   if (clear_selection) {
2491     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2492                                          GetFocusedElement());
2493   }
2494
2495   WebFrame* frame = view->mainFrame();
2496   while (frame) {
2497     frame->stopFinding(clear_selection);
2498     frame = frame->traverseNext(false);
2499   }
2500
2501   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2502     WebFrame* focused_frame = view->focusedFrame();
2503     if (focused_frame) {
2504       WebDocument doc = focused_frame->document();
2505       if (!doc.isNull()) {
2506         WebElement element = doc.focusedElement();
2507         if (!element.isNull())
2508           element.simulateClick();
2509       }
2510     }
2511   }
2512 }
2513
2514 #if defined(OS_ANDROID)
2515 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2516                                                  float x, float y) {
2517   if (!webview())
2518       return;
2519
2520   WebFrame* main_frame = webview()->mainFrame();
2521   WebRect selection_rect;
2522   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2523                                                    &selection_rect);
2524   if (ordinal == -1) {
2525     // Something went wrong, so send a no-op reply (force the main_frame to
2526     // report the current match count) in case the host is waiting for a
2527     // response due to rate-limiting).
2528     main_frame->increaseMatchCount(0, request_id);
2529     return;
2530   }
2531
2532   SendFindReply(request_id,
2533                 -1 /* number_of_matches */,
2534                 ordinal,
2535                 selection_rect,
2536                 true /* final_update */);
2537 }
2538
2539 void RenderViewImpl::OnFindMatchRects(int current_version) {
2540   if (!webview())
2541       return;
2542
2543   WebFrame* main_frame = webview()->mainFrame();
2544   std::vector<gfx::RectF> match_rects;
2545
2546   int rects_version = main_frame->findMatchMarkersVersion();
2547   if (current_version != rects_version) {
2548     WebVector<WebFloatRect> web_match_rects;
2549     main_frame->findMatchRects(web_match_rects);
2550     match_rects.reserve(web_match_rects.size());
2551     for (size_t i = 0; i < web_match_rects.size(); ++i)
2552       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2553   }
2554
2555   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2556   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2557                                                rects_version,
2558                                                match_rects,
2559                                                active_rect));
2560 }
2561 #endif
2562
2563 void RenderViewImpl::OnResetPageScale() {
2564   if (!webview())
2565     return;
2566   webview()->setPageScaleFactor(1);
2567 }
2568
2569 void RenderViewImpl::OnZoom(PageZoom zoom) {
2570   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2571     return;
2572
2573   webview()->hidePopups();
2574
2575   double old_zoom_level = webview()->zoomLevel();
2576   double zoom_level;
2577   if (zoom == PAGE_ZOOM_RESET) {
2578     zoom_level = 0;
2579   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2580     // Previous zoom level is a whole number, so just increment/decrement.
2581     zoom_level = old_zoom_level + zoom;
2582   } else {
2583     // Either the user hit the zoom factor limit and thus the zoom level is now
2584     // not a whole number, or a plugin changed it to a custom value.  We want
2585     // to go to the next whole number so that the user can always get back to
2586     // 100% with the keyboard/menu.
2587     if ((old_zoom_level > 1 && zoom > 0) ||
2588         (old_zoom_level < 1 && zoom < 0)) {
2589       zoom_level = static_cast<int>(old_zoom_level + zoom);
2590     } else {
2591       // We're going towards 100%, so first go to the next whole number.
2592       zoom_level = static_cast<int>(old_zoom_level);
2593     }
2594   }
2595   webview()->setZoomLevel(zoom_level);
2596   zoomLevelChanged();
2597 }
2598
2599 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2600                                                  double zoom_level) {
2601 #if !defined(OS_ANDROID)
2602   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2603   // for legacy WebView text scaling emulation. Thus, the code that resets
2604   // the zoom level from this map will be effectively resetting text zoom level.
2605   host_zoom_levels_[url] = zoom_level;
2606 #endif
2607 }
2608
2609 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2610                                            double level) {
2611   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2612
2613   webview()->hidePopups();
2614   webview()->setZoomLevel(level);
2615 }
2616
2617 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2618   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2619 }
2620
2621 void RenderViewImpl::OnResetPageEncodingToDefault() {
2622   WebString no_encoding;
2623   webview()->setPageEncoding(no_encoding);
2624 }
2625
2626 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2627   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2628       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2629     // WebUIExtensionData deletes itself when we're destroyed.
2630     new WebUIExtensionData(this);
2631     // WebUIMojo deletes itself when we're destroyed.
2632     new WebUIMojo(this);
2633   }
2634
2635   enabled_bindings_ |= enabled_bindings_flags;
2636
2637   // Keep track of the total bindings accumulated in this process.
2638   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2639 }
2640
2641 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2642                                            const gfx::Point& client_point,
2643                                            const gfx::Point& screen_point,
2644                                            WebDragOperationsMask ops,
2645                                            int key_modifiers) {
2646   WebDragOperation operation = webview()->dragTargetDragEnter(
2647       DropDataToWebDragData(drop_data),
2648       client_point,
2649       screen_point,
2650       ops,
2651       key_modifiers);
2652
2653   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2654 }
2655
2656 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2657                                           const gfx::Point& screen_point,
2658                                           WebDragOperationsMask ops,
2659                                           int key_modifiers) {
2660   WebDragOperation operation = webview()->dragTargetDragOver(
2661       client_point,
2662       screen_point,
2663       ops,
2664       key_modifiers);
2665
2666   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2667 }
2668
2669 void RenderViewImpl::OnDragTargetDragLeave() {
2670   webview()->dragTargetDragLeave();
2671 }
2672
2673 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2674                                       const gfx::Point& screen_point,
2675                                       int key_modifiers) {
2676   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2677 }
2678
2679 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2680                                        const gfx::Point& screen_point,
2681                                        WebDragOperation op) {
2682   webview()->dragSourceEndedAt(client_point, screen_point, op);
2683 }
2684
2685 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2686   webview()->dragSourceSystemDragEnded();
2687 }
2688
2689 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2690   webkit_preferences_ = prefs;
2691   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2692 }
2693
2694 void RenderViewImpl::OnEnumerateDirectoryResponse(
2695     int id,
2696     const std::vector<base::FilePath>& paths) {
2697   if (!enumeration_completions_[id])
2698     return;
2699
2700   WebVector<WebString> ws_file_names(paths.size());
2701   for (size_t i = 0; i < paths.size(); ++i)
2702     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2703
2704   enumeration_completions_[id]->didChooseFile(ws_file_names);
2705   enumeration_completions_.erase(id);
2706 }
2707
2708 void RenderViewImpl::OnFileChooserResponse(
2709     const std::vector<content::FileChooserFileInfo>& files) {
2710   // This could happen if we navigated to a different page before the user
2711   // closed the chooser.
2712   if (file_chooser_completions_.empty())
2713     return;
2714
2715   // Convert Chrome's SelectedFileInfo list to WebKit's.
2716   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2717       files.size());
2718   for (size_t i = 0; i < files.size(); ++i) {
2719     WebFileChooserCompletion::SelectedFileInfo selected_file;
2720     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2721     selected_file.displayName =
2722         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2723     if (files[i].file_system_url.is_valid()) {
2724       selected_file.fileSystemURL = files[i].file_system_url;
2725       selected_file.length = files[i].length;
2726       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2727       selected_file.isDirectory = files[i].is_directory;
2728     }
2729     selected_files[i] = selected_file;
2730   }
2731
2732   if (file_chooser_completions_.front()->completion)
2733     file_chooser_completions_.front()->completion->didChooseFile(
2734         selected_files);
2735   file_chooser_completions_.pop_front();
2736
2737   // If there are more pending file chooser requests, schedule one now.
2738   if (!file_chooser_completions_.empty()) {
2739     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2740         file_chooser_completions_.front()->params));
2741   }
2742 }
2743
2744 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2745                                         const gfx::Size& max_size) {
2746   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2747   if (!webview())
2748     return;
2749   auto_resize_mode_ = true;
2750   webview()->enableAutoResizeMode(min_size, max_size);
2751 }
2752
2753 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2754   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2755   if (!webview())
2756     return;
2757   auto_resize_mode_ = false;
2758   webview()->disableAutoResizeMode();
2759
2760   if (!new_size.IsEmpty()) {
2761     Resize(new_size,
2762            physical_backing_size_,
2763            top_controls_shrink_blink_size_,
2764            top_controls_height_,
2765            visible_viewport_size_,
2766            resizer_rect_,
2767            is_fullscreen_granted_,
2768            display_mode_,
2769            NO_RESIZE_ACK);
2770   }
2771 }
2772
2773 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2774   if (send_preferred_size_changes_)
2775     return;
2776   send_preferred_size_changes_ = true;
2777
2778   // Start off with an initial preferred size notification (in case
2779   // |didUpdateLayout| was already called).
2780   didUpdateLayout();
2781 }
2782
2783 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2784     const gfx::Size& disable_scrollbar_size_limit) {
2785   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2786 }
2787
2788 void RenderViewImpl::OnSetRendererPrefs(
2789     const RendererPreferences& renderer_prefs) {
2790   double old_zoom_level = renderer_preferences_.default_zoom_level;
2791   std::string old_accept_languages = renderer_preferences_.accept_languages;
2792
2793   renderer_preferences_ = renderer_prefs;
2794
2795   UpdateFontRenderingFromRendererPrefs();
2796   UpdateThemePrefs();
2797
2798 #if defined(USE_DEFAULT_RENDER_THEME)
2799   if (renderer_prefs.use_custom_colors) {
2800     WebColorName name = blink::WebColorWebkitFocusRingColor;
2801     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2802     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2803
2804     if (webview()) {
2805       webview()->setSelectionColors(
2806           renderer_prefs.active_selection_bg_color,
2807           renderer_prefs.active_selection_fg_color,
2808           renderer_prefs.inactive_selection_bg_color,
2809           renderer_prefs.inactive_selection_fg_color);
2810       webview()->themeChanged();
2811     }
2812   }
2813 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2814
2815   // If the zoom level for this page matches the old zoom default, and this
2816   // is not a plugin, update the zoom level to match the new default.
2817   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2818       !webview()->mainFrame()->document().isPluginDocument() &&
2819       !ZoomValuesEqual(old_zoom_level,
2820                        renderer_preferences_.default_zoom_level) &&
2821       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2822     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
2823     zoomLevelChanged();
2824   }
2825
2826   if (webview() &&
2827       old_accept_languages != renderer_preferences_.accept_languages) {
2828     webview()->acceptLanguagesChanged();
2829   }
2830 }
2831
2832 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2833                                            const WebMediaPlayerAction& action) {
2834   if (webview())
2835     webview()->performMediaPlayerAction(action, location);
2836 }
2837
2838 void RenderViewImpl::OnOrientationChange() {
2839   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2840     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2841 }
2842
2843 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2844                                       const WebPluginAction& action) {
2845   if (webview())
2846     webview()->performPluginAction(action, location);
2847 }
2848
2849 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2850     const GURL& page_url) {
2851   // Prepare list to storage all savable resource links.
2852   std::vector<GURL> resources_list;
2853   std::vector<GURL> referrer_urls_list;
2854   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2855   std::vector<GURL> frames_list;
2856   SavableResourcesResult result(&resources_list,
2857                                 &referrer_urls_list,
2858                                 &referrer_policies_list,
2859                                 &frames_list);
2860
2861   // webkit/ doesn't know about Referrer.
2862   if (!GetAllSavableResourceLinksForCurrentPage(
2863           webview(),
2864           page_url,
2865           &result,
2866           const_cast<const char**>(GetSavableSchemes()))) {
2867     // If something is wrong when collecting all savable resource links,
2868     // send empty list to embedder(browser) to tell it failed.
2869     referrer_urls_list.clear();
2870     referrer_policies_list.clear();
2871     resources_list.clear();
2872     frames_list.clear();
2873   }
2874
2875   std::vector<Referrer> referrers_list;
2876   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2877   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2878     referrers_list.push_back(
2879         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2880   }
2881
2882   // Send result of all savable resource links to embedder.
2883   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2884                                                               resources_list,
2885                                                               referrers_list,
2886                                                               frames_list));
2887 }
2888
2889 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2890     const std::vector<GURL>& links,
2891     const std::vector<base::FilePath>& local_paths,
2892     const base::FilePath& local_directory_name) {
2893
2894   // Convert std::vector of GURLs to WebVector<WebURL>
2895   WebVector<WebURL> weburl_links(links);
2896
2897   // Convert std::vector of base::FilePath to WebVector<WebString>
2898   WebVector<WebString> webstring_paths(local_paths.size());
2899   for (size_t i = 0; i < local_paths.size(); i++)
2900     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2901
2902   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2903                                true,
2904                                this,
2905                                weburl_links,
2906                                webstring_paths,
2907                                local_directory_name.AsUTF16Unsafe());
2908 }
2909
2910 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2911   // Don't show any more dialogs until we finish OnSwapOut.
2912   suppress_dialogs_until_swap_out_ = true;
2913 }
2914
2915 void RenderViewImpl::OnClosePage() {
2916   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2917   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2918   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2919   // in the onunload handler from appearing.  For now, we're bypassing that and
2920   // calling the FrameLoader's CloseURL method directly.  This should be
2921   // revisited to avoid having two ways to close a page.  Having a single way
2922   // to close that can run onunload is also useful for fixing
2923   // http://b/issue?id=753080.
2924   webview()->mainFrame()->dispatchUnloadEvent();
2925
2926   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2927 }
2928
2929 void RenderViewImpl::OnClose() {
2930   if (closing_)
2931     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2932   RenderWidget::OnClose();
2933 }
2934
2935 void RenderViewImpl::OnThemeChanged() {
2936 #if defined(USE_AURA)
2937   // Aura doesn't care if we switch themes.
2938 #elif defined(OS_WIN)
2939   ui::NativeThemeWin::instance()->CloseHandles();
2940   if (webview())
2941     webview()->themeChanged();
2942 #else  // defined(OS_WIN)
2943   // TODO(port): we don't support theming on non-Windows platforms yet
2944   NOTIMPLEMENTED();
2945 #endif
2946 }
2947
2948 void RenderViewImpl::OnMoveOrResizeStarted() {
2949   if (webview())
2950     webview()->hidePopups();
2951 }
2952
2953 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2954   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2955   if (webview()) {
2956     webview()->hidePopups();
2957     if (send_preferred_size_changes_) {
2958       webview()->mainFrame()->setCanHaveScrollbars(
2959           ShouldDisplayScrollbars(params.new_size.width(),
2960                                   params.new_size.height()));
2961     }
2962     if (display_mode_ != params.display_mode) {
2963       display_mode_ = params.display_mode;
2964       webview()->setDisplayMode(display_mode_);
2965     }
2966   }
2967
2968   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2969
2970   RenderWidget::OnResize(params);
2971
2972   if (old_visible_viewport_size != visible_viewport_size_)
2973     has_scrolled_focused_editable_node_into_rect_ = false;
2974 }
2975
2976 void RenderViewImpl::DidInitiatePaint() {
2977 #if defined(ENABLE_PLUGINS)
2978   // Notify all instances that we painted.  The same caveats apply as for
2979   // ViewFlushedPaint regarding instances closing themselves, so we take
2980   // similar precautions.
2981   PepperPluginSet plugins = active_pepper_instances_;
2982   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2983     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2984       (*i)->ViewInitiatedPaint();
2985   }
2986 #endif
2987 }
2988
2989 void RenderViewImpl::DidFlushPaint() {
2990   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2991   // See crbug.com/112921.
2992   if (!webview())
2993     return;
2994
2995   WebFrame* main_frame = webview()->mainFrame();
2996   for (WebFrame* frame = main_frame; frame;
2997        frame = frame->traverseNext(false)) {
2998     // TODO(nasko): This is a hack for the case in which the top-level
2999     // frame is being rendered in another process. It will not
3000     // behave correctly for out of process iframes.
3001     if (frame->isWebLocalFrame()) {
3002       main_frame = frame;
3003       break;
3004     }
3005   }
3006
3007   // There's nothing to do if there are no local frames in this RenderView's
3008   // frame tree. This can happen if DidFlushPaint is called after the
3009   // RenderView's local main frame is swapped to a remote frame. See
3010   // http://crbug.com/513552.
3011   if (main_frame->isWebRemoteFrame())
3012     return;
3013
3014   // If we have a provisional frame we are between the start and commit stages
3015   // of loading and we don't want to save stats.
3016   if (!main_frame->provisionalDataSource()) {
3017     WebDataSource* ds = main_frame->dataSource();
3018     if (!ds)
3019       return;
3020
3021     DocumentState* document_state = DocumentState::FromDataSource(ds);
3022
3023     // TODO(jar): The following code should all be inside a method, probably in
3024     // NavigatorState.
3025     Time now = Time::Now();
3026     if (document_state->first_paint_time().is_null()) {
3027       document_state->set_first_paint_time(now);
3028     }
3029     if (document_state->first_paint_after_load_time().is_null() &&
3030         !document_state->finish_load_time().is_null()) {
3031       document_state->set_first_paint_after_load_time(now);
3032     }
3033   }
3034 }
3035
3036 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3037   WebFrame* main_frame = webview()->mainFrame();
3038   for (WebFrame* frame = main_frame; frame;
3039        frame = frame->traverseNext(false)) {
3040     // TODO(nasko): This is a hack for the case in which the top-level
3041     // frame is being rendered in another process. It will not
3042     // behave correctly for out of process iframes.
3043     if (frame->isWebLocalFrame()) {
3044       main_frame = frame;
3045       break;
3046     }
3047   }
3048
3049   WebSize scroll_offset = main_frame->scrollOffset();
3050   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3051 }
3052
3053 void RenderViewImpl::OnClearFocusedElement() {
3054   if (webview())
3055     webview()->clearFocusedElement();
3056 }
3057
3058 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3059   if (webview())
3060     webview()->setIsTransparent(!opaque);
3061   if (compositor_)
3062     compositor_->setHasTransparentBackground(!opaque);
3063 }
3064
3065 void RenderViewImpl::OnSetActive(bool active) {
3066   if (webview())
3067     webview()->setIsActive(active);
3068
3069 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3070   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3071   for (plugin_it = plugin_delegates_.begin();
3072        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3073     (*plugin_it)->SetWindowFocus(active);
3074   }
3075 #endif
3076 }
3077
3078 #if defined(OS_MACOSX)
3079 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3080 #if defined(ENABLE_PLUGINS)
3081   // Inform plugins that their container has changed visibility.
3082   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3083   for (plugin_it = plugin_delegates_.begin();
3084        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3085     (*plugin_it)->SetContainerVisibility(visible);
3086   }
3087 #endif
3088 }
3089
3090 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3091                                           const gfx::Rect& view_frame) {
3092 #if defined(ENABLE_PLUGINS)
3093   // Inform plugins that their window's frame has changed.
3094   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3095   for (plugin_it = plugin_delegates_.begin();
3096        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3097     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3098   }
3099 #endif
3100 }
3101
3102 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3103                                                      int plugin_id) {
3104   // WebPluginDelegateProxy is responsible for figuring out if this event
3105   // applies to it or not, so inform all the delegates.
3106   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3107   for (plugin_it = plugin_delegates_.begin();
3108        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3109     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3110   }
3111 }
3112 #endif  // OS_MACOSX
3113
3114 void RenderViewImpl::Close() {
3115   // We need to grab a pointer to the doomed WebView before we destroy it.
3116   WebView* doomed = webview();
3117   RenderWidget::Close();
3118   g_view_map.Get().erase(doomed);
3119   g_routing_id_view_map.Get().erase(routing_id_);
3120   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3121 }
3122
3123 void RenderViewImpl::DidHandleKeyEvent() {
3124   ClearEditCommands();
3125 }
3126
3127 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3128   possible_drag_event_info_.event_source =
3129       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3130   possible_drag_event_info_.event_location =
3131       gfx::Point(event.globalX, event.globalY);
3132
3133 #if defined(ENABLE_PLUGINS)
3134   // This method is called for every mouse event that the render view receives.
3135   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3136   // event target. Potentially a Pepper plugin will receive the event.
3137   // In order to tell whether a plugin gets the last mouse event and which it
3138   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3139   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3140   // |pepper_last_mouse_event_target_|.
3141   pepper_last_mouse_event_target_ = NULL;
3142 #endif
3143
3144   // If the mouse is locked, only the current owner of the mouse lock can
3145   // process mouse events.
3146   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3147 }
3148
3149 bool RenderViewImpl::WillHandleGestureEvent(
3150     const blink::WebGestureEvent& event) {
3151   possible_drag_event_info_.event_source =
3152       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3153   possible_drag_event_info_.event_location =
3154       gfx::Point(event.globalX, event.globalY);
3155   return false;
3156 }
3157
3158 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3159   if (!webview())
3160     return false;
3161   return webview()->hasTouchEventHandlersAt(point);
3162 }
3163
3164 void RenderViewImpl::OnWasHidden() {
3165   RenderWidget::OnWasHidden();
3166
3167 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3168   RenderThreadImpl::current()->video_capture_impl_manager()->
3169       SuspendDevices(true);
3170   if (speech_recognition_dispatcher_)
3171     speech_recognition_dispatcher_->AbortAllRecognitions();
3172 #endif
3173
3174   if (webview())
3175     webview()->setVisibilityState(visibilityState(), false);
3176
3177 #if defined(ENABLE_PLUGINS)
3178   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3179        i != active_pepper_instances_.end(); ++i)
3180     (*i)->PageVisibilityChanged(false);
3181
3182 #if defined(OS_MACOSX)
3183   // Inform NPAPI plugins that their container is no longer visible.
3184   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3185   for (plugin_it = plugin_delegates_.begin();
3186        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3187     (*plugin_it)->SetContainerVisibility(false);
3188   }
3189 #endif  // OS_MACOSX
3190 #endif // ENABLE_PLUGINS
3191 }
3192
3193 void RenderViewImpl::OnWasShown(bool needs_repainting,
3194                                 const ui::LatencyInfo& latency_info) {
3195   RenderWidget::OnWasShown(needs_repainting, latency_info);
3196
3197 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3198   RenderThreadImpl::current()->video_capture_impl_manager()->
3199       SuspendDevices(false);
3200 #endif
3201
3202   if (webview())
3203     webview()->setVisibilityState(visibilityState(), false);
3204
3205 #if defined(ENABLE_PLUGINS)
3206   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3207        i != active_pepper_instances_.end(); ++i)
3208     (*i)->PageVisibilityChanged(true);
3209
3210 #if defined(OS_MACOSX)
3211   // Inform NPAPI plugins that their container is now visible.
3212   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3213   for (plugin_it = plugin_delegates_.begin();
3214        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3215     (*plugin_it)->SetContainerVisibility(true);
3216   }
3217 #endif  // OS_MACOSX
3218 #endif  // ENABLE_PLUGINS
3219 }
3220
3221 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3222   DCHECK(webview());
3223   if (webview()->mainFrame()->isWebLocalFrame())
3224     return GURL(webview()->mainFrame()->document().url());
3225   else
3226     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3227 }
3228
3229 void RenderViewImpl::OnSetFocus(bool enable) {
3230   RenderWidget::OnSetFocus(enable);
3231
3232 #if defined(ENABLE_PLUGINS)
3233   if (webview() && webview()->isActive()) {
3234     // Notify all NPAPI plugins.
3235     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3236     for (plugin_it = plugin_delegates_.begin();
3237          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3238 #if defined(OS_MACOSX)
3239       // RenderWidget's call to setFocus can cause the underlying webview's
3240       // activation state to change just like a call to setIsActive.
3241       if (enable)
3242         (*plugin_it)->SetWindowFocus(true);
3243 #endif
3244       (*plugin_it)->SetContentAreaFocus(enable);
3245     }
3246   }
3247   // Notify all Pepper plugins.
3248   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3249        i != active_pepper_instances_.end(); ++i)
3250     (*i)->SetContentAreaFocus(enable);
3251 #endif
3252   // Notify all BrowserPlugins of the RenderView's focus state.
3253   if (BrowserPluginManager::Get())
3254     BrowserPluginManager::Get()->UpdateFocusState();
3255 }
3256
3257 void RenderViewImpl::OnImeSetComposition(
3258     const base::string16& text,
3259     const std::vector<blink::WebCompositionUnderline>& underlines,
3260     int selection_start,
3261     int selection_end) {
3262 #if defined(ENABLE_PLUGINS)
3263   if (focused_pepper_plugin_) {
3264     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3265         text, underlines, selection_start, selection_end);
3266     return;
3267   }
3268
3269 #if defined(OS_WIN)
3270   // When a plugin has focus, we create platform-specific IME data used by
3271   // our IME emulator and send it directly to the focused plugin, i.e. we
3272   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3273   // instance ID is the same one as the specified ID.)
3274   if (focused_plugin_id_ >= 0) {
3275     std::vector<int> clauses;
3276     std::vector<int> target;
3277     for (size_t i = 0; i < underlines.size(); ++i) {
3278       clauses.push_back(underlines[i].startOffset);
3279       clauses.push_back(underlines[i].endOffset);
3280       if (underlines[i].thick) {
3281         target.clear();
3282         target.push_back(underlines[i].startOffset);
3283         target.push_back(underlines[i].endOffset);
3284       }
3285     }
3286     std::set<WebPluginDelegateProxy*>::iterator it;
3287     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3288       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3289                                    focused_plugin_id_);
3290     }
3291     return;
3292   }
3293 #endif  // OS_WIN
3294 #endif  // ENABLE_PLUGINS
3295   RenderWidget::OnImeSetComposition(text,
3296                                     underlines,
3297                                     selection_start,
3298                                     selection_end);
3299 }
3300
3301 void RenderViewImpl::OnImeConfirmComposition(
3302     const base::string16& text,
3303     const gfx::Range& replacement_range,
3304     bool keep_selection) {
3305 #if defined(ENABLE_PLUGINS)
3306   if (focused_pepper_plugin_) {
3307     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3308         text, replacement_range, keep_selection);
3309     return;
3310   }
3311 #if defined(OS_WIN)
3312   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3313   // plugins. When we send IME text directly to plugins, we should not send
3314   // it to WebKit to prevent WebKit from controlling IMEs.
3315   // TODO(thakis): Honor |replacement_range| for plugins?
3316   if (focused_plugin_id_ >= 0) {
3317     std::set<WebPluginDelegateProxy*>::iterator it;
3318     for (it = plugin_delegates_.begin();
3319           it != plugin_delegates_.end(); ++it) {
3320       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3321     }
3322     return;
3323   }
3324 #endif  // OS_WIN
3325 #endif  // ENABLE_PLUGINS
3326   if (replacement_range.IsValid() && webview()) {
3327     // Select the text in |replacement_range|, it will then be replaced by
3328     // text added by the call to RenderWidget::OnImeConfirmComposition().
3329     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3330       WebRange webrange = WebRange::fromDocumentRange(
3331           frame, replacement_range.start(), replacement_range.length());
3332       if (!webrange.isNull())
3333         frame->selectRange(webrange);
3334     }
3335   }
3336   RenderWidget::OnImeConfirmComposition(text,
3337                                         replacement_range,
3338                                         keep_selection);
3339 }
3340
3341 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3342   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3343   if (webview()) {
3344     webview()->setDeviceScaleFactor(device_scale_factor);
3345     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3346         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3347   }
3348   if (auto_resize_mode_)
3349     AutoResizeCompositor();
3350 }
3351
3352 bool RenderViewImpl::SetDeviceColorProfile(
3353     const std::vector<char>& profile) {
3354   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3355   if (changed && webview()) {
3356     WebVector<char> colorProfile = profile;
3357     webview()->setDeviceColorProfile(colorProfile);
3358   }
3359   return changed;
3360 }
3361
3362 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3363   RenderWidget::ResetDeviceColorProfileForTesting();
3364   if (webview())
3365     webview()->resetDeviceColorProfile();
3366 }
3367
3368 ui::TextInputType RenderViewImpl::GetTextInputType() {
3369 #if defined(ENABLE_PLUGINS)
3370   if (focused_pepper_plugin_)
3371     return focused_pepper_plugin_->text_input_type();
3372 #endif
3373   return RenderWidget::GetTextInputType();
3374 }
3375
3376 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3377 #if defined(ENABLE_PLUGINS)
3378   if (focused_pepper_plugin_) {
3379     // TODO(kinaba) http://crbug.com/101101
3380     // Current Pepper IME API does not handle selection bounds. So we simply
3381     // use the caret position as an empty range for now. It will be updated
3382     // after Pepper API equips features related to surrounding text retrieval.
3383     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3384     *start = caret;
3385     *end = caret;
3386     return;
3387   }
3388 #endif
3389   RenderWidget::GetSelectionBounds(start, end);
3390 }
3391
3392 void RenderViewImpl::FocusChangeComplete() {
3393   RenderWidget::FocusChangeComplete();
3394   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3395 }
3396
3397 void RenderViewImpl::GetCompositionCharacterBounds(
3398     std::vector<gfx::Rect>* bounds) {
3399   DCHECK(bounds);
3400   bounds->clear();
3401
3402 #if defined(ENABLE_PLUGINS)
3403   if (focused_pepper_plugin_) {
3404     return;
3405   }
3406 #endif
3407
3408   if (!webview())
3409     return;
3410   size_t start_offset = 0;
3411   size_t character_count = 0;
3412   if (!webview()->compositionRange(&start_offset, &character_count))
3413     return;
3414   if (character_count == 0)
3415     return;
3416
3417   blink::WebFrame* frame = webview()->focusedFrame();
3418   if (!frame)
3419     return;
3420
3421   bounds->reserve(character_count);
3422   blink::WebRect webrect;
3423   for (size_t i = 0; i < character_count; ++i) {
3424     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3425       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3426       bounds->clear();
3427       return;
3428     }
3429     bounds->push_back(webrect);
3430   }
3431 }
3432
3433 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3434 #if defined(ENABLE_PLUGINS)
3435   if (focused_pepper_plugin_) {
3436     return;
3437   }
3438 #endif
3439   RenderWidget::GetCompositionRange(range);
3440 }
3441
3442 bool RenderViewImpl::CanComposeInline() {
3443 #if defined(ENABLE_PLUGINS)
3444   if (focused_pepper_plugin_)
3445     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3446 #endif
3447   return true;
3448 }
3449
3450 void RenderViewImpl::DidCompletePageScaleAnimation() {
3451   FocusChangeComplete();
3452 }
3453
3454 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3455     bool enabled,
3456     const blink::WebDeviceEmulationParams& params) {
3457   if (webview() && compositor()) {
3458     if (enabled)
3459       webview()->enableDeviceEmulation(params);
3460     else
3461       webview()->disableDeviceEmulation();
3462   }
3463 }
3464
3465 bool RenderViewImpl::ScheduleFileChooser(
3466     const FileChooserParams& params,
3467     WebFileChooserCompletion* completion) {
3468   static const size_t kMaximumPendingFileChooseRequests = 4;
3469   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3470     // This sanity check prevents too many file choose requests from getting
3471     // queued which could DoS the user. Getting these is most likely a
3472     // programming error (there are many ways to DoS the user so it's not
3473     // considered a "real" security check), either in JS requesting many file
3474     // choosers to pop up, or in a plugin.
3475     //
3476     // TODO(brettw) we might possibly want to require a user gesture to open
3477     // a file picker, which will address this issue in a better way.
3478     return false;
3479   }
3480
3481   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3482       new PendingFileChooser(params, completion)));
3483   if (file_chooser_completions_.size() == 1) {
3484     // Actually show the browse dialog when this is the first request.
3485     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3486   }
3487   return true;
3488 }
3489
3490 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3491   if (!speech_recognition_dispatcher_)
3492     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3493   return speech_recognition_dispatcher_;
3494 }
3495
3496 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3497                                        double maximum_level) {
3498   // Round the double to avoid returning incorrect minimum/maximum zoom
3499   // percentages.
3500   int minimum_percent = round(
3501       ZoomLevelToZoomFactor(minimum_level) * 100);
3502   int maximum_percent = round(
3503       ZoomLevelToZoomFactor(maximum_level) * 100);
3504
3505   Send(new ViewHostMsg_UpdateZoomLimits(
3506       routing_id_, minimum_percent, maximum_percent));
3507 }
3508
3509 void RenderViewImpl::zoomLevelChanged() {
3510   double zoom_level = webview()->zoomLevel();
3511
3512   // Do not send empty URLs to the browser when we are just setting the default
3513   // zoom level (from RendererPreferences) before the first navigation.
3514   if (!webview()->mainFrame()->document().url().isEmpty()) {
3515     // Tell the browser which url got zoomed so it can update the menu and the
3516     // saved values if necessary
3517     Send(new ViewHostMsg_DidZoomURL(
3518         routing_id_, zoom_level,
3519         GURL(webview()->mainFrame()->document().url())));
3520   }
3521 }
3522
3523 void RenderViewImpl::pageScaleFactorChanged() {
3524   if (!webview())
3525     return;
3526   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3527   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3528     return;
3529   page_scale_factor_is_one_ = page_scale_factor_is_one;
3530   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3531                                                    page_scale_factor_is_one_));
3532 }
3533
3534 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3535   return ZoomLevelToZoomFactor(zoom_level);
3536 }
3537
3538 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3539   return ZoomFactorToZoomLevel(factor);
3540 }
3541
3542 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3543   blink::WebPageVisibilityState current_state = is_hidden() ?
3544       blink::WebPageVisibilityStateHidden :
3545       blink::WebPageVisibilityStateVisible;
3546   blink::WebPageVisibilityState override_state = current_state;
3547   // TODO(jam): move this method to WebFrameClient.
3548   if (GetContentClient()->renderer()->
3549           ShouldOverridePageVisibilityState(main_render_frame_,
3550                                             &override_state))
3551     return override_state;
3552   return current_state;
3553 }
3554
3555 void RenderViewImpl::draggableRegionsChanged() {
3556   FOR_EACH_OBSERVER(
3557       RenderViewObserver,
3558       observers_,
3559       DraggableRegionsChanged(webview()->mainFrame()));
3560 }
3561
3562 #if defined(OS_ANDROID)
3563 WebContentDetectionResult RenderViewImpl::detectContentAround(
3564     const WebHitTestResult& touch_hit) {
3565   DCHECK(touch_hit.node().isTextNode());
3566
3567   // Process the position with all the registered content detectors until
3568   // a match is found. Priority is provided by their relative order.
3569   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3570       it != content_detectors_.end(); ++it) {
3571     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3572     if (content.valid) {
3573       return WebContentDetectionResult(content.content_boundaries,
3574           base::UTF8ToUTF16(content.text), content.intent_url);
3575     }
3576   }
3577   return WebContentDetectionResult();
3578 }
3579
3580 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3581   // Introduce a short delay so that the user can notice the content.
3582   base::MessageLoop::current()->PostDelayedTask(
3583       FROM_HERE,
3584       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3585                  AsWeakPtr(),
3586                  intent,
3587                  expected_content_intent_id_),
3588       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3589 }
3590
3591 void RenderViewImpl::cancelScheduledContentIntents() {
3592   ++expected_content_intent_id_;
3593 }
3594
3595 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3596                                                 size_t request_id) {
3597   if (request_id != expected_content_intent_id_)
3598     return;
3599
3600   // Remove the content highlighting if any.
3601   ScheduleComposite();
3602
3603   if (!intent.is_empty())
3604     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3605 }
3606
3607 bool RenderViewImpl::openDateTimeChooser(
3608     const blink::WebDateTimeChooserParams& params,
3609     blink::WebDateTimeChooserCompletion* completion) {
3610   // JavaScript may try to open a date time chooser while one is already open.
3611   if (date_time_picker_client_)
3612     return false;
3613   date_time_picker_client_.reset(
3614       new RendererDateTimePicker(this, params, completion));
3615   return date_time_picker_client_->Open();
3616 }
3617
3618 void RenderViewImpl::DismissDateTimeDialog() {
3619   DCHECK(date_time_picker_client_);
3620   date_time_picker_client_.reset(NULL);
3621 }
3622
3623 #endif  // defined(OS_ANDROID)
3624
3625 void RenderViewImpl::OnShowContextMenu(
3626     ui::MenuSourceType source_type, const gfx::Point& location) {
3627   context_menu_source_type_ = source_type;
3628   has_host_context_menu_location_ = true;
3629   host_context_menu_location_ = location;
3630   if (webview())
3631     webview()->showContextMenu();
3632   has_host_context_menu_location_ = false;
3633 }
3634
3635 void RenderViewImpl::OnEnableViewSourceMode() {
3636   if (!webview())
3637     return;
3638   WebFrame* main_frame = webview()->mainFrame();
3639   if (!main_frame)
3640     return;
3641   main_frame->enableViewSourceMode(true);
3642 }
3643
3644 #if defined(OS_ANDROID) || defined(USE_AURA)
3645 bool RenderViewImpl::didTapMultipleTargets(
3646     const WebSize& inner_viewport_offset,
3647     const WebRect& touch_rect,
3648     const WebVector<WebRect>& target_rects) {
3649   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3650
3651   // Never show a disambiguation popup when accessibility is enabled,
3652   // as this interferes with "touch exploration".
3653   AccessibilityMode accessibility_mode =
3654       GetMainRenderFrame()->accessibility_mode();
3655   bool matches_accessibility_mode_complete =
3656       (accessibility_mode & AccessibilityModeComplete) ==
3657           AccessibilityModeComplete;
3658   if (matches_accessibility_mode_complete)
3659     return false;
3660
3661   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3662   // reference frame.
3663   gfx::Rect zoom_rect;
3664   float new_total_scale =
3665       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3666           touch_rect, target_rects, GetSize(),
3667           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3668           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3669   if (!new_total_scale || zoom_rect.IsEmpty())
3670     return false;
3671
3672   bool handled = false;
3673   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3674     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3675       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3676       break;
3677     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3678       gfx::Size canvas_size =
3679           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3680       cc::SharedBitmapManager* manager =
3681           RenderThreadImpl::current()->shared_bitmap_manager();
3682       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3683           manager->AllocateSharedBitmap(canvas_size);
3684       CHECK(!!shared_bitmap);
3685       {
3686         SkBitmap bitmap;
3687         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3688                                                       canvas_size.height());
3689         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3690         SkCanvas canvas(bitmap);
3691
3692         // TODO(trchen): Cleanup the device scale factor mess.
3693         // device scale will be applied in WebKit
3694         // --> zoom_rect doesn't include device scale,
3695         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3696         canvas.scale(new_total_scale / device_scale_factor_,
3697                      new_total_scale / device_scale_factor_);
3698         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3699                          -zoom_rect.y() * device_scale_factor_);
3700
3701         DCHECK(webwidget_->isAcceleratedCompositingActive());
3702         // TODO(aelias): The disambiguation popup should be composited so we
3703         // don't have to call this method.
3704         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3705       }
3706
3707       gfx::Rect zoom_rect_in_screen =
3708           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3709                                     inner_viewport_offset.height);
3710
3711       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3712           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3713
3714       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3715                                                    physical_window_zoom_rect,
3716                                                    canvas_size,
3717                                                    shared_bitmap->id()));
3718       cc::SharedBitmapId id = shared_bitmap->id();
3719       disambiguation_bitmaps_[id] = shared_bitmap.release();
3720       handled = true;
3721       break;
3722     }
3723     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3724       // No-op.
3725       break;
3726   }
3727
3728   return handled;
3729 }
3730 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3731
3732 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3733   return history_list_length_;
3734 }
3735
3736 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3737   if (enable) {
3738     if (has_focus())
3739       return;
3740     OnSetActive(true);
3741     OnSetFocus(true);
3742   } else {
3743     if (!has_focus())
3744       return;
3745     OnSetFocus(false);
3746     OnSetActive(false);
3747   }
3748 }
3749
3750 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3751   ViewMsg_Resize_Params params;
3752   params.screen_info = screen_info_;
3753   params.screen_info.deviceScaleFactor = factor;
3754   params.new_size = size();
3755   params.visible_viewport_size = visible_viewport_size_;
3756   params.physical_backing_size =
3757       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3758   params.top_controls_shrink_blink_size = false;
3759   params.top_controls_height = 0.f;
3760   params.resizer_rect = WebRect();
3761   params.is_fullscreen_granted = is_fullscreen_granted();
3762   params.display_mode = display_mode_;
3763   OnResize(params);
3764 }
3765
3766 void RenderViewImpl::SetDeviceColorProfileForTesting(
3767     const std::vector<char>& color_profile) {
3768   SetDeviceColorProfile(color_profile);
3769 }
3770
3771 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3772   gfx::Rect new_window_rect(rootWindowRect().x,
3773                             rootWindowRect().y,
3774                             new_size.width(),
3775                             new_size.height());
3776   SetWindowRectSynchronously(new_window_rect);
3777 }
3778
3779 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3780   resizing_mode_selector_->set_is_synchronous_mode(enable);
3781 }
3782
3783 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3784                                                 const gfx::Size& max_size) {
3785   OnEnableAutoResize(min_size, max_size);
3786 }
3787
3788 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3789   OnDisableAutoResize(new_size);
3790 }
3791
3792 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3793     const cc::SharedBitmapId& id) {
3794   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3795   DCHECK(it != disambiguation_bitmaps_.end());
3796   delete it->second;
3797   disambiguation_bitmaps_.erase(it);
3798 }
3799
3800 void RenderViewImpl::DidCommitCompositorFrame() {
3801   RenderWidget::DidCommitCompositorFrame();
3802   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3803 }
3804
3805 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3806   if (!urls.empty())
3807     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3808 }
3809
3810 void RenderViewImpl::DidStopLoadingIcons() {
3811   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3812       WebIconURL::TypeTouch;
3813
3814   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3815   // just return early.
3816   if (webview()->mainFrame()->isWebRemoteFrame())
3817     return;
3818
3819   WebVector<WebIconURL> icon_urls =
3820       webview()->mainFrame()->iconURLs(icon_types);
3821
3822   std::vector<FaviconURL> urls;
3823   for (size_t i = 0; i < icon_urls.size(); i++) {
3824     WebURL url = icon_urls[i].iconURL();
3825     std::vector<gfx::Size> sizes;
3826     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3827     if (!url.isEmpty())
3828       urls.push_back(
3829           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3830   }
3831   SendUpdateFaviconURL(urls);
3832 }
3833
3834 }  // namespace content