content/renderer/render_view_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_view_impl.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/debug/alias.h"
  16 #include "base/files/file_path.h"
  17 #include "base/i18n/rtl.h"
  18 #include "base/json/json_writer.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/memory/scoped_ptr.h"
  21 #include "base/metrics/field_trial.h"
  22 #include "base/metrics/histogram.h"
  23 #include "base/process/kill.h"
  24 #include "base/process/process.h"
  25 #include "base/strings/string_number_conversions.h"
  26 #include "base/strings/string_piece.h"
  27 #include "base/strings/string_split.h"
  28 #include "base/strings/string_util.h"
  29 #include "base/strings/sys_string_conversions.h"
  30 #include "base/strings/utf_string_conversions.h"
  31 #include "base/time/time.h"
  32 #include "base/trace_event/trace_event.h"
  33 #include "content/child/appcache/appcache_dispatcher.h"
  34 #include "content/child/appcache/web_application_cache_host_impl.h"
  35 #include "content/child/child_shared_bitmap_manager.h"
  36 #include "content/child/npapi/webplugin_delegate_impl.h"
  37 #include "content/child/request_extra_data.h"
  38 #include "content/child/v8_value_converter_impl.h"
  39 #include "content/child/webmessageportchannel_impl.h"
  40 #include "content/common/content_constants_internal.h"
  41 #include "content/common/database_messages.h"
  42 #include "content/common/dom_storage/dom_storage_types.h"
  43 #include "content/common/drag_messages.h"
  44 #include "content/common/frame_messages.h"
  45 #include "content/common/frame_replication_state.h"
  46 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  47 #include "content/common/input_messages.h"
  48 #include "content/common/pepper_messages.h"
  49 #include "content/common/site_isolation_policy.h"
  50 #include "content/common/ssl_status_serialization.h"
  51 #include "content/common/view_messages.h"
  52 #include "content/public/common/bindings_policy.h"
  53 #include "content/public/common/content_client.h"
  54 #include "content/public/common/content_constants.h"
  55 #include "content/public/common/content_switches.h"
  56 #include "content/public/common/drop_data.h"
  57 #include "content/public/common/favicon_url.h"
  58 #include "content/public/common/file_chooser_file_info.h"
  59 #include "content/public/common/file_chooser_params.h"
  60 #include "content/public/common/page_state.h"
  61 #include "content/public/common/page_zoom.h"
  62 #include "content/public/common/ssl_status.h"
  63 #include "content/public/common/three_d_api_types.h"
  64 #include "content/public/common/url_constants.h"
  65 #include "content/public/common/url_utils.h"
  66 #include "content/public/common/web_preferences.h"
  67 #include "content/public/renderer/content_renderer_client.h"
  68 #include "content/public/renderer/document_state.h"
  69 #include "content/public/renderer/navigation_state.h"
  70 #include "content/public/renderer/render_view_observer.h"
  71 #include "content/public/renderer/render_view_visitor.h"
  72 #include "content/renderer/browser_plugin/browser_plugin.h"
  73 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  74 #include "content/renderer/disambiguation_popup_helper.h"
  75 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  76 #include "content/renderer/drop_data_builder.h"
  77 #include "content/renderer/gpu/render_widget_compositor.h"
  78 #include "content/renderer/history_controller.h"
  79 #include "content/renderer/history_serialization.h"
  80 #include "content/renderer/idle_user_detector.h"
  81 #include "content/renderer/ime_event_guard.h"
  82 #include "content/renderer/input/input_handler_manager.h"
  83 #include "content/renderer/internal_document_state_data.h"
  84 #include "content/renderer/media/audio_device_factory.h"
  85 #include "content/renderer/media/video_capture_impl_manager.h"
  86 #include "content/renderer/mhtml_generator.h"
  87 #include "content/renderer/navigation_state_impl.h"
  88 #include "content/renderer/net_info_helper.h"
  89 #include "content/renderer/render_frame_impl.h"
  90 #include "content/renderer/render_frame_proxy.h"
  91 #include "content/renderer/render_process.h"
  92 #include "content/renderer/render_thread_impl.h"
  93 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
  94 #include "content/renderer/render_widget_fullscreen_pepper.h"
  95 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  96 #include "content/renderer/resizing_mode_selector.h"
  97 #include "content/renderer/savable_resources.h"
  98 #include "content/renderer/speech_recognition_dispatcher.h"
  99 #include "content/renderer/text_input_client_observer.h"
 100 #include "content/renderer/web_ui_extension_data.h"
 101 #include "content/renderer/web_ui_mojo.h"
 102 #include "content/renderer/websharedworker_proxy.h"
 103 #include "media/audio/audio_output_device.h"
 104 #include "media/base/media_switches.h"
 105 #include "media/renderers/audio_renderer_impl.h"
 106 #include "media/renderers/gpu_video_accelerator_factories.h"
 107 #include "net/base/data_url.h"
 108 #include "net/base/escape.h"
 109 #include "net/base/net_errors.h"
 110 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 111 #include "net/http/http_util.h"
 112 #include "skia/ext/platform_canvas.h"
 113 #include "third_party/WebKit/public/platform/WebCString.h"
 114 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 115 #include "third_party/WebKit/public/platform/WebDragData.h"
 116 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 117 #include "third_party/WebKit/public/platform/WebImage.h"
 118 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 119 #include "third_party/WebKit/public/platform/WebPoint.h"
 120 #include "third_party/WebKit/public/platform/WebRect.h"
 121 #include "third_party/WebKit/public/platform/WebSize.h"
 122 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 123 #include "third_party/WebKit/public/platform/WebString.h"
 124 #include "third_party/WebKit/public/platform/WebURL.h"
 125 #include "third_party/WebKit/public/platform/WebURLError.h"
 126 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 127 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 128 #include "third_party/WebKit/public/platform/WebVector.h"
 129 #include "third_party/WebKit/public/web/WebAXObject.h"
 130 #include "third_party/WebKit/public/web/WebColorName.h"
 131 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 132 #include "third_party/WebKit/public/web/WebDOMEvent.h"
 133 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
 134 #include "third_party/WebKit/public/web/WebDataSource.h"
 135 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
 136 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
 137 #include "third_party/WebKit/public/web/WebDocument.h"
 138 #include "third_party/WebKit/public/web/WebElement.h"
 139 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 140 #include "third_party/WebKit/public/web/WebFindOptions.h"
 141 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 142 #include "third_party/WebKit/public/web/WebFormElement.h"
 143 #include "third_party/WebKit/public/web/WebFrame.h"
 144 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 145 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 146 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 147 #include "third_party/WebKit/public/web/WebInputElement.h"
 148 #include "third_party/WebKit/public/web/WebInputEvent.h"
 149 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 150 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 151 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 152 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 153 #include "third_party/WebKit/public/web/WebNodeList.h"
 154 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 155 #include "third_party/WebKit/public/web/WebPlugin.h"
 156 #include "third_party/WebKit/public/web/WebPluginAction.h"
 157 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 158 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 159 #include "third_party/WebKit/public/web/WebRange.h"
 160 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 161 #include "third_party/WebKit/public/web/WebScriptSource.h"
 162 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 163 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 164 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 165 #include "third_party/WebKit/public/web/WebSettings.h"
 166 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 167 #include "third_party/WebKit/public/web/WebView.h"
 168 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 169 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 170 #include "third_party/icu/source/common/unicode/uchar.h"
 171 #include "third_party/icu/source/common/unicode/uscript.h"
 172 #include "ui/base/clipboard/clipboard.h"
 173 #include "ui/base/ui_base_switches_util.h"
 174 #include "ui/events/latency_info.h"
 175 #include "ui/gfx/geometry/point.h"
 176 #include "ui/gfx/geometry/rect.h"
 177 #include "ui/gfx/geometry/rect_conversions.h"
 178 #include "ui/gfx/geometry/size_conversions.h"
 179 #include "ui/gfx/native_widget_types.h"
 180 #include "v8/include/v8.h"
 181
 182 #if defined(OS_ANDROID)
 183 #include <cpu-features.h>
 184
 185 #include "content/renderer/android/address_detector.h"
 186 #include "content/renderer/android/content_detector.h"
 187 #include "content/renderer/android/email_detector.h"
 188 #include "content/renderer/android/phone_number_detector.h"
 189 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 190 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 191 #include "ui/gfx/geometry/rect_f.h"
 192
 193 #elif defined(OS_WIN)
 194 // TODO(port): these files are currently Windows only because they concern:
 195 //   * theming
 196 #include "ui/native_theme/native_theme_win.h"
 197 #elif defined(USE_X11)
 198 #include "ui/native_theme/native_theme.h"
 199 #elif defined(OS_MACOSX)
 200 #include "skia/ext/skia_utils_mac.h"
 201 #endif
 202
 203 #if defined(ENABLE_PLUGINS)
 204 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 205 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 206 #include "content/renderer/pepper/pepper_plugin_registry.h"
 207 #endif
 208
 209 #if defined(ENABLE_WEBRTC)
 210 #include "content/renderer/media/rtc_peer_connection_handler.h"
 211 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 212 #endif
 213
 214 using blink::WebAXObject;
 215 using blink::WebApplicationCacheHost;
 216 using blink::WebApplicationCacheHostClient;
 217 using blink::WebCString;
 218 using blink::WebColor;
 219 using blink::WebColorName;
 220 using blink::WebConsoleMessage;
 221 using blink::WebData;
 222 using blink::WebDataSource;
 223 using blink::WebDocument;
 224 using blink::WebDragData;
 225 using blink::WebDragOperation;
 226 using blink::WebDragOperationsMask;
 227 using blink::WebElement;
 228 using blink::WebFileChooserCompletion;
 229 using blink::WebFindOptions;
 230 using blink::WebFormControlElement;
 231 using blink::WebFormElement;
 232 using blink::WebFrame;
 233 using blink::WebGestureEvent;
 234 using blink::WebHistoryItem;
 235 using blink::WebHTTPBody;
 236 using blink::WebIconURL;
 237 using blink::WebImage;
 238 using blink::WebInputElement;
 239 using blink::WebInputEvent;
 240 using blink::WebLocalFrame;
 241 using blink::WebMediaPlayerAction;
 242 using blink::WebMouseEvent;
 243 using blink::WebNavigationPolicy;
 244 using blink::WebNavigationType;
 245 using blink::WebNode;
 246 using blink::WebPageSerializer;
 247 using blink::WebPageSerializerClient;
 248 using blink::WebPeerConnection00Handler;
 249 using blink::WebPeerConnection00HandlerClient;
 250 using blink::WebPeerConnectionHandler;
 251 using blink::WebPeerConnectionHandlerClient;
 252 using blink::WebPluginAction;
 253 using blink::WebPluginContainer;
 254 using blink::WebPluginDocument;
 255 using blink::WebPoint;
 256 using blink::WebRange;
 257 using blink::WebRect;
 258 using blink::WebReferrerPolicy;
 259 using blink::WebScriptSource;
 260 using blink::WebSearchableFormData;
 261 using blink::WebSecurityOrigin;
 262 using blink::WebSecurityPolicy;
 263 using blink::WebSettings;
 264 using blink::WebSize;
 265 using blink::WebStorageNamespace;
 266 using blink::WebStorageQuotaCallbacks;
 267 using blink::WebStorageQuotaError;
 268 using blink::WebStorageQuotaType;
 269 using blink::WebString;
 270 using blink::WebTextAffinity;
 271 using blink::WebTextDirection;
 272 using blink::WebTouchEvent;
 273 using blink::WebURL;
 274 using blink::WebURLError;
 275 using blink::WebURLRequest;
 276 using blink::WebURLResponse;
 277 using blink::WebUserGestureIndicator;
 278 using blink::WebVector;
 279 using blink::WebView;
 280 using blink::WebWidget;
 281 using blink::WebWindowFeatures;
 282 using blink::WebNetworkStateNotifier;
 283 using blink::WebRuntimeFeatures;
 284 using base::Time;
 285 using base::TimeDelta;
 286
 287 #if defined(OS_ANDROID)
 288 using blink::WebContentDetectionResult;
 289 using blink::WebFloatPoint;
 290 using blink::WebFloatRect;
 291 using blink::WebHitTestResult;
 292 #endif
 293
 294 namespace content {
 295
 296 //-----------------------------------------------------------------------------
 297
 298 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 299 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 300 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 301 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 302     LAZY_INSTANCE_INITIALIZER;
 303
 304 // Time, in seconds, we delay before sending content state changes (such as form
 305 // state and scroll position) to the browser. We delay sending changes to avoid
 306 // spamming the browser.
 307 // To avoid having tab/session restore require sending a message to get the
 308 // current content state during tab closing we use a shorter timeout for the
 309 // foreground renderer. This means there is a small window of time from which
 310 // content state is modified and not sent to session restore, but this is
 311 // better than having to wake up all renderers during shutdown.
 312 const int kDelaySecondsForContentStateSyncHidden = 5;
 313 const int kDelaySecondsForContentStateSync = 1;
 314
 315 #if defined(OS_ANDROID)
 316 // Delay between tapping in content and launching the associated android intent.
 317 // Used to allow users see what has been recognized as content.
 318 const size_t kContentIntentDelayMilliseconds = 700;
 319 #endif
 320
 321 static RenderViewImpl* (*g_create_render_view_impl)(
 322     CompositorDependencies* compositor_deps,
 323     const ViewMsg_New_Params&) = nullptr;
 324
 325 // static
 326 Referrer RenderViewImpl::GetReferrerFromRequest(
 327     WebFrame* frame,
 328     const WebURLRequest& request) {
 329   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 330                   request.referrerPolicy());
 331 }
 332
 333 // static
 334 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 335     WebNavigationPolicy policy) {
 336   switch (policy) {
 337     case blink::WebNavigationPolicyIgnore:
 338       return IGNORE_ACTION;
 339     case blink::WebNavigationPolicyDownload:
 340       return SAVE_TO_DISK;
 341     case blink::WebNavigationPolicyCurrentTab:
 342       return CURRENT_TAB;
 343     case blink::WebNavigationPolicyNewBackgroundTab:
 344       return NEW_BACKGROUND_TAB;
 345     case blink::WebNavigationPolicyNewForegroundTab:
 346       return NEW_FOREGROUND_TAB;
 347     case blink::WebNavigationPolicyNewWindow:
 348       return NEW_WINDOW;
 349     case blink::WebNavigationPolicyNewPopup:
 350       return NEW_POPUP;
 351   default:
 352     NOTREACHED() << "Unexpected WebNavigationPolicy";
 353     return IGNORE_ACTION;
 354   }
 355 }
 356
 357 // Returns true if the device scale is high enough that losing subpixel
 358 // antialiasing won't have a noticeable effect on text quality.
 359 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 360 #if defined(OS_ANDROID)
 361   // On Android, we never have subpixel antialiasing.
 362   return true;
 363 #else
 364   // 1.5 is a common touchscreen tablet device scale factor. For such
 365   // devices main thread antialiasing is a heavy burden.
 366   return device_scale_factor >= 1.5f;
 367 #endif
 368
 369 }
 370
 371 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 372                                        float device_scale_factor) {
 373   const base::CommandLine& command_line =
 374       *base::CommandLine::ForCurrentProcess();
 375   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 376     return false;
 377   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 378     return true;
 379   if (!compositor_deps->IsLcdTextEnabled())
 380     return true;
 381   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 382 }
 383
 384 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 385   switch (type) {
 386     case blink::WebIconURL::TypeFavicon:
 387       return FaviconURL::FAVICON;
 388     case blink::WebIconURL::TypeTouch:
 389       return FaviconURL::TOUCH_ICON;
 390     case blink::WebIconURL::TypeTouchPrecomposed:
 391       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 392     case blink::WebIconURL::TypeInvalid:
 393       return FaviconURL::INVALID_ICON;
 394   }
 395   return FaviconURL::INVALID_ICON;
 396 }
 397
 398 static void ConvertToFaviconSizes(
 399     const blink::WebVector<blink::WebSize>& web_sizes,
 400     std::vector<gfx::Size>* sizes) {
 401   DCHECK(sizes->empty());
 402   sizes->reserve(web_sizes.size());
 403   for (size_t i = 0; i < web_sizes.size(); ++i)
 404     sizes->push_back(gfx::Size(web_sizes[i]));
 405 }
 406
 407 ///////////////////////////////////////////////////////////////////////////////
 408
 409 struct RenderViewImpl::PendingFileChooser {
 410   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 411       : params(p),
 412         completion(c) {
 413   }
 414   FileChooserParams params;
 415   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 416 };
 417
 418 namespace {
 419
 420 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 421  public:
 422   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 423       : webwidget_(webwidget) {}
 424
 425   void OnLockMouseACK(bool succeeded) override {
 426     if (succeeded)
 427       webwidget_->didAcquirePointerLock();
 428     else
 429       webwidget_->didNotAcquirePointerLock();
 430   }
 431
 432   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 433
 434   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 435     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 436     return false;
 437   }
 438
 439  private:
 440   blink::WebWidget* webwidget_;
 441 };
 442
 443 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 444   std::vector<WebDragData::Item> item_list;
 445
 446   // These fields are currently unused when dragging into WebKit.
 447   DCHECK(drop_data.download_metadata.empty());
 448   DCHECK(drop_data.file_contents.empty());
 449   DCHECK(drop_data.file_description_filename.empty());
 450
 451   if (!drop_data.text.is_null()) {
 452     WebDragData::Item item;
 453     item.storageType = WebDragData::Item::StorageTypeString;
 454     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 455     item.stringData = drop_data.text.string();
 456     item_list.push_back(item);
 457   }
 458
 459   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 460   // meaningful to write an empty URL to the clipboard?
 461   if (!drop_data.url.is_empty()) {
 462     WebDragData::Item item;
 463     item.storageType = WebDragData::Item::StorageTypeString;
 464     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 465     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 466     item.title = drop_data.url_title;
 467     item_list.push_back(item);
 468   }
 469
 470   if (!drop_data.html.is_null()) {
 471     WebDragData::Item item;
 472     item.storageType = WebDragData::Item::StorageTypeString;
 473     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 474     item.stringData = drop_data.html.string();
 475     item.baseURL = drop_data.html_base_url;
 476     item_list.push_back(item);
 477   }
 478
 479   for (std::vector<ui::FileInfo>::const_iterator it =
 480            drop_data.filenames.begin();
 481        it != drop_data.filenames.end();
 482        ++it) {
 483     WebDragData::Item item;
 484     item.storageType = WebDragData::Item::StorageTypeFilename;
 485     item.filenameData = it->path.AsUTF16Unsafe();
 486     item.displayNameData = it->display_name.AsUTF16Unsafe();
 487     item_list.push_back(item);
 488   }
 489
 490   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 491            drop_data.file_system_files.begin();
 492        it != drop_data.file_system_files.end();
 493        ++it) {
 494     WebDragData::Item item;
 495     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 496     item.fileSystemURL = it->url;
 497     item.fileSystemFileSize = it->size;
 498     item_list.push_back(item);
 499   }
 500
 501   for (std::map<base::string16, base::string16>::const_iterator it =
 502            drop_data.custom_data.begin();
 503        it != drop_data.custom_data.end();
 504        ++it) {
 505     WebDragData::Item item;
 506     item.storageType = WebDragData::Item::StorageTypeString;
 507     item.stringType = it->first;
 508     item.stringData = it->second;
 509     item_list.push_back(item);
 510   }
 511
 512   WebDragData result;
 513   result.initialize();
 514   result.setItems(item_list);
 515   result.setFilesystemId(drop_data.filesystem_id);
 516   return result;
 517 }
 518
 519 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 520                                      const base::string16&,
 521                                      UScriptCode);
 522
 523 void SetStandardFontFamilyWrapper(WebSettings* settings,
 524                                   const base::string16& font,
 525                                   UScriptCode script) {
 526   settings->setStandardFontFamily(font, script);
 527 }
 528
 529 void SetFixedFontFamilyWrapper(WebSettings* settings,
 530                                const base::string16& font,
 531                                UScriptCode script) {
 532   settings->setFixedFontFamily(font, script);
 533 }
 534
 535 void SetSerifFontFamilyWrapper(WebSettings* settings,
 536                                const base::string16& font,
 537                                UScriptCode script) {
 538   settings->setSerifFontFamily(font, script);
 539 }
 540
 541 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 542                                    const base::string16& font,
 543                                    UScriptCode script) {
 544   settings->setSansSerifFontFamily(font, script);
 545 }
 546
 547 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 548                                  const base::string16& font,
 549                                  UScriptCode script) {
 550   settings->setCursiveFontFamily(font, script);
 551 }
 552
 553 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 554                                  const base::string16& font,
 555                                  UScriptCode script) {
 556   settings->setFantasyFontFamily(font, script);
 557 }
 558
 559 void SetPictographFontFamilyWrapper(WebSettings* settings,
 560                                     const base::string16& font,
 561                                     UScriptCode script) {
 562   settings->setPictographFontFamily(font, script);
 563 }
 564
 565 // If |scriptCode| is a member of a family of "similar" script codes, returns
 566 // the script code in that family that is used by WebKit for font selection
 567 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 568 // considered equivalent for the purposes of font selection.  WebKit uses the
 569 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 570 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 571 // uses different scripts than the ones in Chrome pref names because the version
 572 // of ICU included on certain ports does not have some of the newer scripts.  If
 573 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 574 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 575   switch (scriptCode) {
 576     case USCRIPT_HIRAGANA:
 577     case USCRIPT_KATAKANA:
 578     case USCRIPT_JAPANESE:
 579       return USCRIPT_KATAKANA_OR_HIRAGANA;
 580     case USCRIPT_KOREAN:
 581       return USCRIPT_HANGUL;
 582     default:
 583       return scriptCode;
 584   }
 585 }
 586
 587 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 588                        SetFontFamilyWrapper setter,
 589                        WebSettings* settings) {
 590   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 591        ++it) {
 592     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 593     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 594       UScriptCode code = static_cast<UScriptCode>(script);
 595       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 596     }
 597   }
 598 }
 599
 600 void ApplyBlinkSettings(const base::CommandLine& command_line,
 601                         WebSettings* settings) {
 602   if (!command_line.HasSwitch(switches::kBlinkSettings))
 603     return;
 604
 605   std::vector<std::string> blink_settings = base::SplitString(
 606       command_line.GetSwitchValueASCII(switches::kBlinkSettings),
 607       ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
 608   for (const std::string& setting : blink_settings) {
 609     size_t pos = setting.find('=');
 610     settings->setFromStrings(
 611         blink::WebString::fromLatin1(setting.substr(0, pos)),
 612         blink::WebString::fromLatin1(
 613             pos == std::string::npos ? "" : setting.substr(pos + 1)));
 614   }
 615 }
 616
 617 }  // namespace
 618
 619 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 620                                const ViewMsg_New_Params& params)
 621     : RenderWidget(compositor_deps,
 622                    blink::WebPopupTypeNone,
 623                    params.initial_size.screen_info,
 624                    params.swapped_out,
 625                    params.hidden,
 626                    params.never_visible),
 627       webkit_preferences_(params.web_preferences),
 628       send_content_state_immediately_(false),
 629       enabled_bindings_(0),
 630       send_preferred_size_changes_(false),
 631       navigation_gesture_(NavigationGestureUnknown),
 632       opened_by_user_gesture_(true),
 633       opener_suppressed_(false),
 634       suppress_dialogs_until_swap_out_(false),
 635       page_id_(-1),
 636       next_page_id_(params.next_page_id),
 637       history_list_offset_(-1),
 638       history_list_length_(0),
 639       frames_in_progress_(0),
 640       target_url_status_(TARGET_NONE),
 641       uses_temporary_zoom_level_(false),
 642 #if defined(OS_ANDROID)
 643       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 644 #endif
 645       has_scrolled_focused_editable_node_into_rect_(false),
 646       main_render_frame_(nullptr),
 647       speech_recognition_dispatcher_(NULL),
 648       mouse_lock_dispatcher_(NULL),
 649 #if defined(OS_ANDROID)
 650       expected_content_intent_id_(0),
 651 #endif
 652 #if defined(OS_WIN)
 653       focused_plugin_id_(-1),
 654 #endif
 655 #if defined(ENABLE_PLUGINS)
 656       plugin_find_handler_(NULL),
 657       focused_pepper_plugin_(NULL),
 658       pepper_last_mouse_event_target_(NULL),
 659 #endif
 660       enumeration_completion_id_(0),
 661       session_storage_namespace_id_(params.session_storage_namespace_id),
 662       page_scale_factor_is_one_(true) {
 663 }
 664
 665 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 666                                 bool was_created_by_renderer) {
 667   routing_id_ = params.view_id;
 668   surface_id_ = params.surface_id;
 669
 670   int opener_view_routing_id;
 671   WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(
 672       params.opener_frame_route_id, &opener_view_routing_id);
 673   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
 674     opener_id_ = opener_view_routing_id;
 675
 676   display_mode_= params.initial_size.display_mode;
 677
 678   // Ensure we start with a valid next_page_id_ from the browser.
 679   DCHECK_GE(next_page_id_, 0);
 680
 681   webwidget_ = WebView::create(this);
 682   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 683
 684   g_view_map.Get().insert(std::make_pair(webview(), this));
 685   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 686
 687   const base::CommandLine& command_line =
 688       *base::CommandLine::ForCurrentProcess();
 689
 690   if (command_line.HasSwitch(switches::kStatsCollectionController))
 691     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 692
 693   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
 694     main_render_frame_ =
 695         RenderFrameImpl::CreateMainFrame(this, params.main_frame_routing_id);
 696   }
 697
 698   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 699     CHECK(params.swapped_out);
 700     if (main_render_frame_) {
 701       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 702       RenderFrameProxy* proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 703           main_render_frame_, params.proxy_routing_id,
 704           blink::WebTreeScopeType::Document);
 705       main_render_frame_->set_render_frame_proxy(proxy);
 706     } else {
 707       DCHECK(SiteIsolationPolicy::IsSwappedOutStateForbidden());
 708       // Pass MSG_ROUTING_NONE for opener, since actual opener (if any) will be
 709       // set separately below.
 710       RenderFrameProxy::CreateFrameProxy(params.proxy_routing_id, routing_id_,
 711                                          MSG_ROUTING_NONE, MSG_ROUTING_NONE,
 712                                          params.replicated_frame_state);
 713     }
 714   }
 715
 716   if (main_render_frame_)
 717     main_render_frame_->Initialize();
 718
 719 #if defined(OS_ANDROID)
 720   content_detectors_.push_back(linked_ptr<ContentDetector>(
 721       new AddressDetector()));
 722   const std::string& contry_iso =
 723       params.renderer_preferences.network_contry_iso;
 724   if (!contry_iso.empty()) {
 725     content_detectors_.push_back(linked_ptr<ContentDetector>(
 726         new PhoneNumberDetector(contry_iso)));
 727   }
 728   content_detectors_.push_back(linked_ptr<ContentDetector>(
 729       new EmailDetector()));
 730 #endif
 731
 732   RenderThread::Get()->AddRoute(routing_id_, this);
 733   // Take a reference on behalf of the RenderThread.  This will be balanced
 734   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 735   // inherits from).
 736   AddRef();
 737   if (RenderThreadImpl::current()) {
 738     RenderThreadImpl::current()->WidgetCreated();
 739     if (is_hidden_)
 740       RenderThreadImpl::current()->WidgetHidden();
 741   }
 742
 743   // If this is a popup, we must wait for the CreatingNew_ACK message before
 744   // completing initialization.  Otherwise, we can finish it now.
 745   if (opener_id_ == MSG_ROUTING_NONE) {
 746     did_show_ = true;
 747     CompleteInit();
 748   }
 749
 750   webview()->setDeviceScaleFactor(device_scale_factor_);
 751   webview()->setDisplayMode(display_mode_);
 752   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 753       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 754   webview()->settings()->setThreadedScrollingEnabled(
 755       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 756   webview()->settings()->setRootLayerScrolls(
 757       command_line.HasSwitch(switches::kRootLayerScrolls));
 758
 759   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
 760
 761   if (switches::IsTouchDragDropEnabled())
 762     webview()->settings()->setTouchDragDropEnabled(true);
 763
 764   if (switches::IsTouchEditingEnabled())
 765     webview()->settings()->setTouchEditingEnabled(true);
 766
 767   WebSettings::SelectionStrategyType selection_strategy =
 768       WebSettings::SelectionStrategyType::Character;
 769   const std::string selection_strategy_str =
 770       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 771           switches::kTouchTextSelectionStrategy);
 772   if (selection_strategy_str == "direction")
 773     selection_strategy = WebSettings::SelectionStrategyType::Direction;
 774   webview()->settings()->setSelectionStrategy(selection_strategy);
 775
 776   // Set the main frame's name.  Only needs to be done for WebLocalFrames,
 777   // since the remote case was handled as part of SetReplicatedState on the
 778   // proxy above.
 779   if (!params.replicated_frame_state.name.empty() &&
 780       webview()->mainFrame()->isWebLocalFrame()) {
 781     webview()->mainFrame()->setName(
 782         blink::WebString::fromUTF8(params.replicated_frame_state.name));
 783   }
 784
 785   // TODO(davidben): Move this state from Blink into content.
 786   if (params.window_was_created_with_opener)
 787     webview()->setOpenedByDOM();
 788
 789   OnSetRendererPrefs(params.renderer_preferences);
 790
 791   ApplyBlinkSettings(command_line, webview()->settings());
 792
 793   if (!params.enable_auto_resize) {
 794     OnResize(params.initial_size);
 795   } else {
 796     OnEnableAutoResize(params.min_size, params.max_size);
 797   }
 798
 799   new MHTMLGenerator(this);
 800 #if defined(OS_MACOSX)
 801   new TextInputClientObserver(this);
 802 #endif  // defined(OS_MACOSX)
 803
 804   // The next group of objects all implement RenderViewObserver, so are deleted
 805   // along with the RenderView automatically.
 806   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 807
 808   history_controller_.reset(new HistoryController(this));
 809
 810   new IdleUserDetector(this);
 811
 812   if (command_line.HasSwitch(switches::kDomAutomationController))
 813     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 814   if (command_line.HasSwitch(switches::kStatsCollectionController))
 815     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 816
 817   GetContentClient()->renderer()->RenderViewCreated(this);
 818
 819   // If we have an opener_frame but we weren't created by a renderer, then it's
 820   // the browser asking us to set our opener to another frame.
 821   if (opener_frame && !was_created_by_renderer)
 822     webview()->mainFrame()->setOpener(opener_frame);
 823
 824   // If we are initially swapped out, navigate to kSwappedOutURL.
 825   // This ensures we are in a unique origin that others cannot script.
 826   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 827     main_render_frame_->NavigateToSwappedOutURL();
 828 }
 829
 830 RenderViewImpl::~RenderViewImpl() {
 831   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 832        it != disambiguation_bitmaps_.end();
 833        ++it)
 834     delete it->second;
 835
 836   // If file chooser is still waiting for answer, dispatch empty answer.
 837   while (!file_chooser_completions_.empty()) {
 838     if (file_chooser_completions_.front()->completion) {
 839       file_chooser_completions_.front()->completion->didChooseFile(
 840           WebVector<WebString>());
 841     }
 842     file_chooser_completions_.pop_front();
 843   }
 844
 845 #if defined(OS_ANDROID)
 846   // The date/time picker client is both a scoped_ptr member of this class and
 847   // a RenderViewObserver. Reset it to prevent double deletion.
 848   date_time_picker_client_.reset();
 849 #endif
 850
 851 #ifndef NDEBUG
 852   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 853   ViewMap* views = g_view_map.Pointer();
 854   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 855     DCHECK_NE(this, it->second) << "Failed to call Close?";
 856   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 857   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 858        it != routing_id_views->end(); ++it)
 859     DCHECK_NE(this, it->second) << "Failed to call Close?";
 860 #endif
 861
 862   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 863   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 864 }
 865
 866 /*static*/
 867 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 868   ViewMap* views = g_view_map.Pointer();
 869   ViewMap::iterator it = views->find(webview);
 870   return it == views->end() ? NULL : it->second;
 871 }
 872
 873 /*static*/
 874 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 875   return RenderViewImpl::FromWebView(webview);
 876 }
 877
 878 /*static*/
 879 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 880   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 881   RoutingIDViewMap::iterator it = views->find(routing_id);
 882   return it == views->end() ? NULL : it->second;
 883 }
 884
 885 /*static*/
 886 RenderView* RenderView::FromRoutingID(int routing_id) {
 887   return RenderViewImpl::FromRoutingID(routing_id);
 888 }
 889
 890 /* static */
 891 size_t RenderView::GetRenderViewCount() {
 892   return g_view_map.Get().size();
 893 }
 894
 895 /*static*/
 896 void RenderView::ForEach(RenderViewVisitor* visitor) {
 897   ViewMap* views = g_view_map.Pointer();
 898   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 899     if (!visitor->Visit(it->second))
 900       return;
 901   }
 902 }
 903
 904 /*static*/
 905 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 906                                      WebView* web_view) {
 907   WebSettings* settings = web_view->settings();
 908   ApplyFontsFromMap(prefs.standard_font_family_map,
 909                     SetStandardFontFamilyWrapper, settings);
 910   ApplyFontsFromMap(prefs.fixed_font_family_map,
 911                     SetFixedFontFamilyWrapper, settings);
 912   ApplyFontsFromMap(prefs.serif_font_family_map,
 913                     SetSerifFontFamilyWrapper, settings);
 914   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 915                     SetSansSerifFontFamilyWrapper, settings);
 916   ApplyFontsFromMap(prefs.cursive_font_family_map,
 917                     SetCursiveFontFamilyWrapper, settings);
 918   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 919                     SetFantasyFontFamilyWrapper, settings);
 920   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 921                     SetPictographFontFamilyWrapper, settings);
 922   settings->setDefaultFontSize(prefs.default_font_size);
 923   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 924   settings->setMinimumFontSize(prefs.minimum_font_size);
 925   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 926   settings->setDefaultTextEncodingName(
 927       base::ASCIIToUTF16(prefs.default_encoding));
 928   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 929   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 930   settings->setJavaScriptCanOpenWindowsAutomatically(
 931       prefs.javascript_can_open_windows_automatically);
 932   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 933   settings->setImagesEnabled(prefs.images_enabled);
 934   settings->setPluginsEnabled(prefs.plugins_enabled);
 935   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 936   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 937   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 938   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 939   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 940   settings->setJavaScriptCanAccessClipboard(
 941       prefs.javascript_can_access_clipboard);
 942   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 943   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 944   WebRuntimeFeatures::enableSlimmingPaintV2(prefs.slimming_paint_v2_enabled);
 945   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 946   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 947   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 948   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 949   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 950   settings->setOfflineWebApplicationCacheEnabled(
 951       prefs.application_cache_enabled);
 952   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
 953   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
 954   settings->setCookieEnabled(prefs.cookie_enabled);
 955   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
 956
 957   // By default, allow_universal_access_from_file_urls is set to false and thus
 958   // we mitigate attacks from local HTML files by not granting file:// URLs
 959   // universal access. Only test shell will enable this.
 960   settings->setAllowUniversalAccessFromFileURLs(
 961       prefs.allow_universal_access_from_file_urls);
 962   settings->setAllowFileAccessFromFileURLs(
 963       prefs.allow_file_access_from_file_urls);
 964
 965   // Enable the web audio API if requested on the command line.
 966   settings->setWebAudioEnabled(prefs.webaudio_enabled);
 967
 968   // Enable experimental WebGL support if requested on command line
 969   // and support is compiled in.
 970   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 971
 972   // Disable GL multisampling if requested on command line.
 973   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
 974
 975   // Enable WebGL errors to the JS console if requested.
 976   settings->setWebGLErrorsToConsoleEnabled(
 977       prefs.webgl_errors_to_console_enabled);
 978
 979   // Uses the mock theme engine for scrollbars.
 980   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 981
 982   // Enable gpu-accelerated 2d canvas if requested on the command line.
 983   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 984
 985   settings->setMinimumAccelerated2dCanvasSize(
 986       prefs.minimum_accelerated_2d_canvas_size);
 987
 988   // Disable antialiasing for 2d canvas if requested on the command line.
 989   settings->setAntialiased2dCanvasEnabled(
 990       !prefs.antialiased_2d_canvas_disabled);
 991
 992   // Enabled antialiasing of clips for 2d canvas if requested on the command
 993   // line.
 994   settings->setAntialiasedClips2dCanvasEnabled(
 995       prefs.antialiased_clips_2d_canvas_enabled);
 996
 997   // Set MSAA sample count for 2d canvas if requested on the command line (or
 998   // default value if not).
 999   settings->setAccelerated2dCanvasMSAASampleCount(
1000       prefs.accelerated_2d_canvas_msaa_sample_count);
1001
1002   settings->setAsynchronousSpellCheckingEnabled(
1003       prefs.asynchronous_spell_checking_enabled);
1004   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1005
1006   // Tabs to link is not part of the settings. WebCore calls
1007   // ChromeClient::tabsToLinks which is part of the glue code.
1008   web_view->setTabsToLinks(prefs.tabs_to_links);
1009
1010   settings->setAllowDisplayOfInsecureContent(
1011       prefs.allow_displaying_insecure_content);
1012   settings->setAllowRunningOfInsecureContent(
1013       prefs.allow_running_insecure_content);
1014   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1015   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1016
1017   settings->setStrictlyBlockBlockableMixedContent(
1018       prefs.strictly_block_blockable_mixed_content);
1019
1020   settings->setStrictMixedContentCheckingForPlugin(
1021       prefs.block_mixed_plugin_content);
1022
1023   settings->setStrictPowerfulFeatureRestrictions(
1024       prefs.strict_powerful_feature_restrictions);
1025   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1026   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1027   settings->setShouldClearDocumentBackground(
1028       prefs.should_clear_document_background);
1029   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1030
1031   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1032   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1033   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1034   settings->setPrimaryPointerType(
1035       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1036   settings->setAvailableHoverTypes(prefs.available_hover_types);
1037   settings->setPrimaryHoverType(
1038       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1039   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1040   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1041   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1042   settings->setMultiTargetTapNotificationEnabled(
1043       switches::IsLinkDisambiguationPopupEnabled());
1044
1045   WebRuntimeFeatures::enableImageColorProfiles(
1046       prefs.image_color_profiles_enabled);
1047   settings->setShouldRespectImageOrientation(
1048       prefs.should_respect_image_orientation);
1049
1050   settings->setUnsafePluginPastingEnabled(false);
1051   settings->setEditingBehavior(
1052       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1053
1054   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1055
1056   settings->setInvertViewportScrollOrder(prefs.invert_viewport_scroll_order);
1057   settings->setViewportEnabled(prefs.viewport_enabled);
1058   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1059   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1060   settings->setMainFrameResizesAreOrientationChanges(
1061       prefs.main_frame_resizes_are_orientation_changes);
1062
1063   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1064
1065   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1066
1067   settings->setSelectionIncludesAltImageText(true);
1068
1069   settings->setV8CacheOptions(
1070       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1071
1072   settings->setImageAnimationPolicy(
1073       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1074
1075   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1076   web_view->setDefaultPageScaleLimits(
1077       prefs.default_minimum_page_scale_factor,
1078       prefs.default_maximum_page_scale_factor);
1079
1080 #if defined(OS_ANDROID)
1081   settings->setAllowCustomScrollbarInMainFrame(false);
1082   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1083   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1084   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1085   settings->setFullscreenSupported(prefs.fullscreen_supported);
1086   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1087   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1088   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1089   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1090   settings->setMediaPlaybackRequiresUserGesture(
1091       prefs.user_gesture_required_for_media_playback);
1092   settings->setDefaultVideoPosterURL(
1093         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1094   settings->setSupportDeprecatedTargetDensityDPI(
1095       prefs.support_deprecated_target_density_dpi);
1096   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1097       prefs.use_legacy_background_size_shorthand_behavior);
1098   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1099   settings->setUseWideViewport(prefs.use_wide_viewport);
1100   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1101   settings->setViewportMetaLayoutSizeQuirk(
1102       prefs.viewport_meta_layout_size_quirk);
1103   settings->setViewportMetaMergeContentQuirk(
1104       prefs.viewport_meta_merge_content_quirk);
1105   settings->setViewportMetaNonUserScalableQuirk(
1106       prefs.viewport_meta_non_user_scalable_quirk);
1107   settings->setViewportMetaZeroValuesQuirk(
1108       prefs.viewport_meta_zero_values_quirk);
1109   settings->setClobberUserAgentInitialScaleQuirk(
1110       prefs.clobber_user_agent_initial_scale_quirk);
1111   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1112       prefs.ignore_main_frame_overflow_hidden_quirk);
1113   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1114       prefs.report_screen_size_in_physical_pixels_quirk);
1115   settings->setPreferHiddenVolumeControls(true);
1116   settings->setMainFrameClipsContent(!prefs.record_whole_document);
1117   settings->setShrinksViewportContentToFit(true);
1118   settings->setUseMobileViewportStyle(true);
1119 #endif
1120
1121   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1122   WebNetworkStateNotifier::setWebConnectionType(
1123       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1124
1125   settings->setPinchOverlayScrollbarThickness(
1126       prefs.pinch_overlay_scrollbar_thickness);
1127   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1128
1129   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1130
1131 #if defined(OS_MACOSX)
1132   settings->setDoubleTapToZoomEnabled(true);
1133   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1134 #endif
1135
1136 #if !defined(OS_ANDROID) && !defined(OS_MACOSX)
1137   // On platforms where the pinch viewport and the layout viewport can
1138   // both show scrollbars, hide pinch scrollbars when we are near minimum
1139   // page scale. (See http://crbug.com/446411 and http://crbug.com/515746.)
1140   settings->setHidePinchScrollbarsNearMinScale(true);
1141 #endif
1142 }
1143
1144 /*static*/
1145 RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
1146                                        const ViewMsg_New_Params& params,
1147                                        bool was_created_by_renderer) {
1148   DCHECK(params.view_id != MSG_ROUTING_NONE);
1149   RenderViewImpl* render_view = NULL;
1150   if (g_create_render_view_impl)
1151     render_view = g_create_render_view_impl(compositor_deps, params);
1152   else
1153     render_view = new RenderViewImpl(compositor_deps, params);
1154
1155   render_view->Initialize(params, was_created_by_renderer);
1156   return render_view;
1157 }
1158
1159 // static
1160 void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
1161     *create_render_view_impl)(CompositorDependencies* compositor_deps,
1162                               const ViewMsg_New_Params&)) {
1163   CHECK(!g_create_render_view_impl);
1164   g_create_render_view_impl = create_render_view_impl;
1165 }
1166
1167 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1168   observers_.AddObserver(observer);
1169 }
1170
1171 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1172   observer->RenderViewGone();
1173   observers_.RemoveObserver(observer);
1174 }
1175
1176 blink::WebView* RenderViewImpl::webview() const {
1177   return static_cast<blink::WebView*>(webwidget());
1178 }
1179
1180 #if defined(ENABLE_PLUGINS)
1181 void RenderViewImpl::PepperInstanceCreated(
1182     PepperPluginInstanceImpl* instance) {
1183   active_pepper_instances_.insert(instance);
1184
1185   RenderFrameImpl* const render_frame = instance->render_frame();
1186   render_frame->Send(
1187       new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
1188 }
1189
1190 void RenderViewImpl::PepperInstanceDeleted(
1191     PepperPluginInstanceImpl* instance) {
1192   active_pepper_instances_.erase(instance);
1193
1194   if (pepper_last_mouse_event_target_ == instance)
1195     pepper_last_mouse_event_target_ = NULL;
1196   if (focused_pepper_plugin_ == instance)
1197     PepperFocusChanged(instance, false);
1198
1199   RenderFrameImpl* const render_frame = instance->render_frame();
1200   if (render_frame)
1201     render_frame->Send(
1202         new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
1203 }
1204
1205 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1206                                         bool focused) {
1207   if (focused)
1208     focused_pepper_plugin_ = instance;
1209   else if (focused_pepper_plugin_ == instance)
1210     focused_pepper_plugin_ = NULL;
1211
1212   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
1213   UpdateSelectionBounds();
1214 }
1215
1216 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1217   plugin_delegates_.insert(delegate);
1218   // If the renderer is visible, set initial visibility and focus state.
1219   if (!is_hidden()) {
1220 #if defined(OS_MACOSX)
1221     delegate->SetContainerVisibility(true);
1222     if (webview() && webview()->isActive())
1223       delegate->SetWindowFocus(true);
1224 #endif
1225   }
1226   // Plugins start assuming the content has focus (so that they work in
1227   // environments where RenderView isn't hosting them), so we always have to
1228   // set the initial state. See webplugin_delegate_impl.h for details.
1229   delegate->SetContentAreaFocus(has_focus());
1230 }
1231
1232 void RenderViewImpl::UnregisterPluginDelegate(
1233     WebPluginDelegateProxy* delegate) {
1234   plugin_delegates_.erase(delegate);
1235 }
1236
1237 #if defined(OS_WIN)
1238 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1239   if (focused)
1240     focused_plugin_id_ = plugin_id;
1241   else
1242     focused_plugin_id_ = -1;
1243 }
1244 #endif
1245
1246 #if defined(OS_MACOSX)
1247 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1248   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1249 }
1250
1251 void RenderViewImpl::OnGetRenderedText() {
1252   if (!webview())
1253     return;
1254   // Get rendered text from WebLocalFrame.
1255   // TODO: Currently IPC truncates any data that has a
1256   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1257   // send back using multiple IPC. See http://crbug.com/393444.
1258   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1259   std::string text = webview()->mainFrame()->contentAsText(
1260       kMaximumMessageSize).utf8();
1261
1262   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1263 }
1264
1265 void RenderViewImpl::StartPluginIme() {
1266   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1267   // This message can be sent during event-handling, and needs to be delivered
1268   // within that context.
1269   msg->set_unblock(true);
1270   Send(msg);
1271 }
1272 #endif  // defined(OS_MACOSX)
1273
1274 #endif  // ENABLE_PLUGINS
1275
1276 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1277     const blink::WebActiveWheelFlingParameters& params) {
1278   if (webview())
1279     webview()->transferActiveWheelFlingAnimation(params);
1280 }
1281
1282 bool RenderViewImpl::HasIMETextFocus() {
1283   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1284 }
1285
1286 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1287   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1288   if (main_frame && main_frame->isWebLocalFrame())
1289     GetContentClient()->SetActiveURL(main_frame->document().url());
1290
1291   base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1292   RenderViewObserver* observer;
1293   while ((observer = it.GetNext()) != NULL)
1294     if (observer->OnMessageReceived(message))
1295       return true;
1296
1297   bool handled = true;
1298   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1299     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1300     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1301     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1302                         OnScrollFocusedEditableNodeIntoRect)
1303     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1304                         OnSetEditCommandsForNextKeyEvent)
1305     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1306     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1307     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1308     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1309     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1310     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1311     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1312                         OnSetZoomLevelForLoadingURL)
1313     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1314                         OnSetZoomLevelForView)
1315     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1316     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1317                         OnResetPageEncodingToDefault)
1318     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1319     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1320     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1321     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1322     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1323     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1324                         OnDragSourceSystemDragEnded)
1325     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1326     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1327     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1328     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1329     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1330                         OnEnumerateDirectoryResponse)
1331     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1332     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1333                         OnSuppressDialogsUntilSwapOut)
1334     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1335     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1336     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1337     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1338     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1339     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1340                         OnEnablePreferredSizeChangedMode)
1341     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1342     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1343     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1344                         OnDisableScrollbarsForSmallWindows)
1345     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1346     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1347     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1348     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1349     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1350                         OnGetAllSavableResourceLinksForCurrentPage)
1351     IPC_MESSAGE_HANDLER(
1352         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1353         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1354     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1355     // TODO(viettrungluu): Move to a separate message filter.
1356     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1357                         OnSetHistoryOffsetAndLength)
1358     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1359     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1360                         OnReleaseDisambiguationPopupBitmap)
1361     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1362     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1363 #if defined(OS_ANDROID)
1364     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1365                         OnActivateNearestFindResult)
1366     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1367     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1368                         OnUpdateTopControlsState)
1369     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1370 #elif defined(OS_MACOSX)
1371     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1372                         OnGetRenderedText)
1373     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1374                         OnPluginImeCompositionCompleted)
1375     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1376     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1377     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1378     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1379 #endif
1380     // Adding a new message? Add platform independent ones first, then put the
1381     // platform specific ones at the end.
1382
1383     // Have the super handle all other messages.
1384     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1385   IPC_END_MESSAGE_MAP()
1386
1387   return handled;
1388 }
1389
1390 void RenderViewImpl::OnSelectWordAroundCaret() {
1391   if (!webview())
1392     return;
1393
1394   handling_input_event_ = true;
1395   webview()->focusedFrame()->selectWordAroundCaret();
1396   handling_input_event_ = false;
1397 }
1398
1399 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1400   webview()->copyImageAt(WebPoint(x, y));
1401 }
1402
1403 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1404   webview()->saveImageAt(WebPoint(x, y));
1405 }
1406
1407 void RenderViewImpl::OnUpdateTargetURLAck() {
1408   // Check if there is a targeturl waiting to be sent.
1409   if (target_url_status_ == TARGET_PENDING)
1410     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1411
1412   target_url_status_ = TARGET_NONE;
1413 }
1414
1415 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1416     const std::string& value) {
1417   if (!webview() || !webview()->focusedFrame())
1418     return;
1419
1420   webview()->focusedFrame()->executeCommand(
1421       WebString::fromUTF8(name), WebString::fromUTF8(value));
1422 }
1423
1424 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1425   if (!webview())
1426     return;
1427
1428   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1429
1430   webview()->focusedFrame()->moveCaretSelection(point);
1431 }
1432
1433 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1434     const gfx::Rect& rect) {
1435   if (has_scrolled_focused_editable_node_into_rect_ &&
1436       rect == rect_for_scrolled_focused_editable_node_) {
1437     FocusChangeComplete();
1438     return;
1439   }
1440
1441   blink::WebElement element = GetFocusedElement();
1442   bool will_animate = false;
1443   if (!element.isNull() && IsEditableNode(element)) {
1444     rect_for_scrolled_focused_editable_node_ = rect;
1445     has_scrolled_focused_editable_node_into_rect_ = true;
1446     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1447   }
1448
1449   if (!will_animate)
1450     FocusChangeComplete();
1451 }
1452
1453 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1454     const EditCommands& edit_commands) {
1455   edit_commands_ = edit_commands;
1456 }
1457
1458 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1459                                                  int history_length) {
1460   DCHECK_GE(history_offset, -1);
1461   DCHECK_GE(history_length, 0);
1462
1463   history_list_offset_ = history_offset;
1464   history_list_length_ = history_length;
1465 }
1466
1467 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1468   if (!webview())
1469     return;
1470   webview()->setInitialFocus(reverse);
1471 }
1472
1473 #if defined(OS_MACOSX)
1474 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1475   if (!webview())
1476     return;
1477   if (in_live_resize)
1478     webview()->willStartLiveResize();
1479   else
1480     webview()->willEndLiveResize();
1481 }
1482 #endif
1483
1484 ///////////////////////////////////////////////////////////////////////////////
1485
1486 void RenderViewImpl::SendUpdateState() {
1487   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1488   if (!entry)
1489     return;
1490
1491   // Don't send state updates for kSwappedOutURL.
1492   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1493     return;
1494
1495   Send(new ViewHostMsg_UpdateState(
1496       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1497 }
1498
1499 void RenderViewImpl::ApplyWebPreferencesInternal(
1500     const WebPreferences& prefs,
1501     blink::WebView* web_view,
1502     CompositorDependencies* compositor_deps) {
1503   ApplyWebPreferences(prefs, web_view);
1504 #if defined(OS_MACOSX) && !defined(OS_IOS)
1505   DCHECK(compositor_deps);
1506   bool is_elastic_overscroll_enabled =
1507       compositor_deps->IsElasticOverscrollEnabled();
1508   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1509 #endif
1510 }
1511
1512 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1513   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1514   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1515   // it is particularly important that we do not call willEnterModalLoop as
1516   // that would defer resource loads for the dialog itself.
1517   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1518     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1519
1520   message->EnableMessagePumping();  // Runs a nested message loop.
1521   return Send(message);
1522 }
1523
1524 void RenderViewImpl::OnForceRedraw(int id) {
1525   ui::LatencyInfo latency_info;
1526   if (id) {
1527     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1528                                   0,
1529                                   id);
1530   }
1531   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1532   if (RenderWidgetCompositor* rwc = compositor()) {
1533     latency_info_swap_promise_monitor =
1534         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1535   }
1536   ScheduleCompositeWithForcedRedraw();
1537 }
1538
1539 // blink::WebViewClient ------------------------------------------------------
1540
1541 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1542                                     const WebURLRequest& request,
1543                                     const WebWindowFeatures& features,
1544                                     const WebString& frame_name,
1545                                     WebNavigationPolicy policy,
1546                                     bool suppress_opener) {
1547   ViewHostMsg_CreateWindow_Params params;
1548   params.opener_id = routing_id_;
1549   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1550   if (GetContentClient()->renderer()->AllowPopup())
1551     params.user_gesture = true;
1552   params.window_container_type = WindowFeaturesToContainerType(features);
1553   params.session_storage_namespace_id = session_storage_namespace_id_;
1554   if (frame_name != "_blank")
1555     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1556   params.opener_render_frame_id =
1557       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1558   params.opener_url = creator->document().url();
1559
1560   // The browser process uses the top frame's URL for a content settings check
1561   // to determine whether the popup is allowed.  If the top frame is remote,
1562   // its URL is not available, so use its replicated origin instead.
1563   //
1564   // TODO(alexmos): This works fine for regular origins but may break path
1565   // matching for file URLs with OOP subframes that open popups.  This should
1566   // be fixed by either moving this lookup to the browser process or removing
1567   // path-based matching for file URLs from content settings.  See
1568   // https://crbug.com/466297.
1569   if (creator->top()->isWebLocalFrame()) {
1570     params.opener_top_level_frame_url = creator->top()->document().url();
1571   } else {
1572     params.opener_top_level_frame_url =
1573         GURL(creator->top()->securityOrigin().toString());
1574   }
1575
1576   GURL security_url(creator->document().securityOrigin().toString());
1577   if (!security_url.is_valid())
1578     security_url = GURL();
1579   params.opener_security_origin = security_url;
1580   params.opener_suppressed = suppress_opener;
1581   params.disposition = NavigationPolicyToDisposition(policy);
1582   if (!request.isNull()) {
1583     params.target_url = request.url();
1584     params.referrer = GetReferrerFromRequest(creator, request);
1585   }
1586   params.features = features;
1587
1588   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1589     params.additional_features.push_back(features.additionalFeatures[i]);
1590
1591   int32 routing_id = MSG_ROUTING_NONE;
1592   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1593   int32 surface_id = 0;
1594   int64 cloned_session_storage_namespace_id = 0;
1595
1596   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1597       params, &routing_id, &main_frame_routing_id, &surface_id,
1598       &cloned_session_storage_namespace_id));
1599   if (routing_id == MSG_ROUTING_NONE)
1600     return NULL;
1601
1602   WebUserGestureIndicator::consumeUserGesture();
1603
1604   // While this view may be a background extension page, it can spawn a visible
1605   // render view. So we just assume that the new one is not another background
1606   // page instead of passing on our own value.
1607   // TODO(vangelis): Can we tell if the new view will be a background page?
1608   bool never_visible = false;
1609
1610   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1611   initial_size.screen_info = screen_info_;
1612
1613   // The initial hidden state for the RenderViewImpl here has to match what the
1614   // browser will eventually decide for the given disposition. Since we have to
1615   // return from this call synchronously, we just have to make our best guess
1616   // and rely on the browser sending a WasHidden / WasShown message if it
1617   // disagrees.
1618   ViewMsg_New_Params view_params;
1619
1620   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1621   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1622   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1623
1624   view_params.window_was_created_with_opener = true;
1625   view_params.renderer_preferences = renderer_preferences_;
1626   view_params.web_preferences = webkit_preferences_;
1627   view_params.view_id = routing_id;
1628   view_params.main_frame_routing_id = main_frame_routing_id;
1629   view_params.surface_id = surface_id;
1630   view_params.session_storage_namespace_id =
1631       cloned_session_storage_namespace_id;
1632   view_params.swapped_out = false;
1633   // WebCore will take care of setting the correct name.
1634   view_params.replicated_frame_state = FrameReplicationState();
1635   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1636   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1637   view_params.never_visible = never_visible;
1638   view_params.next_page_id = 1;
1639   view_params.initial_size = initial_size;
1640   view_params.enable_auto_resize = false;
1641   view_params.min_size = gfx::Size();
1642   view_params.max_size = gfx::Size();
1643
1644   RenderViewImpl* view =
1645       RenderViewImpl::Create(compositor_deps_, view_params, true);
1646   view->opened_by_user_gesture_ = params.user_gesture;
1647
1648   // Record whether the creator frame is trying to suppress the opener field.
1649   view->opener_suppressed_ = params.opener_suppressed;
1650
1651   return view->webview();
1652 }
1653
1654 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1655   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1656                                               popup_type, screen_info_);
1657   if (!widget)
1658     return NULL;
1659   if (screen_metrics_emulator_) {
1660     widget->SetPopupOriginAdjustmentsForEmulation(
1661         screen_metrics_emulator_.get());
1662   }
1663   return widget->webwidget();
1664 }
1665
1666 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1667   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1668   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1669 }
1670
1671 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1672   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1673                     PrintPage(frame, handling_input_event_));
1674 }
1675
1676 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1677   // Note: We should basically send GURL but we use size-limited string instead
1678   // in order to send a larger data url to save a image for <canvas> or <img>.
1679   if (data_url.length() < kMaxLengthOfDataURLString)
1680     Send(new ViewHostMsg_SaveImageFromDataURL(
1681         routing_id_, GetMainRenderFrame()->GetRoutingID(), data_url.utf8()));
1682 }
1683
1684 bool RenderViewImpl::enumerateChosenDirectory(
1685     const WebString& path,
1686     WebFileChooserCompletion* chooser_completion) {
1687   int id = enumeration_completion_id_++;
1688   enumeration_completions_[id] = chooser_completion;
1689   return Send(new ViewHostMsg_EnumerateDirectory(
1690       routing_id_,
1691       id,
1692       base::FilePath::FromUTF16Unsafe(path)));
1693 }
1694
1695 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1696   DCHECK_GE(frames_in_progress_, 0);
1697   if (frames_in_progress_ == 0)
1698     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1699   frames_in_progress_++;
1700 }
1701
1702 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1703   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1704   // calls DidStopLoading() without a matching DidStartLoading().
1705   if (frames_in_progress_ == 0)
1706     return;
1707   frames_in_progress_--;
1708   if (frames_in_progress_ == 0) {
1709     DidStopLoadingIcons();
1710     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1711   }
1712 }
1713
1714 void RenderViewImpl::SetZoomLevel(double zoom_level) {
1715   webview()->setZoomLevel(zoom_level);
1716   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
1717 }
1718
1719 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1720   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1721 }
1722
1723 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1724   if (edit_commands_.empty())
1725     return false;
1726
1727   WebFrame* frame = webview()->focusedFrame();
1728   if (!frame)
1729     return false;
1730
1731   EditCommands::iterator it = edit_commands_.begin();
1732   EditCommands::iterator end = edit_commands_.end();
1733
1734   bool did_execute_command = false;
1735   for (; it != end; ++it) {
1736     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1737     // key (but it's the exception). Once one edit command is not executed, it
1738     // seems safest to not execute the rest.
1739     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1740                                WebString::fromUTF8(it->value),
1741                                GetFocusedElement()))
1742       break;
1743     did_execute_command = true;
1744   }
1745
1746   return did_execute_command;
1747 }
1748
1749 bool RenderViewImpl::runFileChooser(
1750     const blink::WebFileChooserParams& params,
1751     WebFileChooserCompletion* chooser_completion) {
1752   // Do not open the file dialog in a hidden RenderView.
1753   if (is_hidden())
1754     return false;
1755   FileChooserParams ipc_params;
1756   if (params.directory)
1757     ipc_params.mode = FileChooserParams::UploadFolder;
1758   else if (params.multiSelect)
1759     ipc_params.mode = FileChooserParams::OpenMultiple;
1760   else if (params.saveAs)
1761     ipc_params.mode = FileChooserParams::Save;
1762   else
1763     ipc_params.mode = FileChooserParams::Open;
1764   ipc_params.title = params.title;
1765   ipc_params.default_file_name =
1766       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1767   ipc_params.accept_types.reserve(params.acceptTypes.size());
1768   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1769     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1770   ipc_params.need_local_path = params.needLocalPath;
1771 #if defined(OS_ANDROID)
1772   ipc_params.capture = params.useMediaCapture;
1773 #endif
1774
1775   return ScheduleFileChooser(ipc_params, chooser_completion);
1776 }
1777
1778 void RenderViewImpl::SetValidationMessageDirection(
1779     base::string16* wrapped_main_text,
1780     blink::WebTextDirection main_text_hint,
1781     base::string16* wrapped_sub_text,
1782     blink::WebTextDirection sub_text_hint) {
1783   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1784     *wrapped_main_text =
1785         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1786   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1787              !base::i18n::IsRTL()) {
1788     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1789   }
1790
1791   if (!wrapped_sub_text->empty()) {
1792     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1793       *wrapped_sub_text =
1794           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1795     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1796       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1797     }
1798   }
1799 }
1800
1801 void RenderViewImpl::showValidationMessage(
1802     const blink::WebRect& anchor_in_root_view,
1803     const blink::WebString& main_text,
1804     blink::WebTextDirection main_text_hint,
1805     const blink::WebString& sub_text,
1806     blink::WebTextDirection sub_text_hint) {
1807   base::string16 wrapped_main_text = main_text;
1808   base::string16 wrapped_sub_text = sub_text;
1809
1810   SetValidationMessageDirection(
1811       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1812
1813   Send(new ViewHostMsg_ShowValidationMessage(
1814       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1815       wrapped_main_text, wrapped_sub_text));
1816 }
1817
1818 void RenderViewImpl::hideValidationMessage() {
1819   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1820 }
1821
1822 void RenderViewImpl::moveValidationMessage(
1823     const blink::WebRect& anchor_in_root_view) {
1824   Send(new ViewHostMsg_MoveValidationMessage(
1825       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1826 }
1827
1828 void RenderViewImpl::setStatusText(const WebString& text) {
1829 }
1830
1831 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1832                                      const GURL& fallback_url) {
1833   GURL latest_url = url.is_empty() ? fallback_url : url;
1834   if (latest_url == target_url_)
1835     return;
1836
1837   // Tell the browser to display a destination link.
1838   if (target_url_status_ == TARGET_INFLIGHT ||
1839       target_url_status_ == TARGET_PENDING) {
1840     // If we have a request in-flight, save the URL to be sent when we
1841     // receive an ACK to the in-flight request. We can happily overwrite
1842     // any existing pending sends.
1843     pending_target_url_ = latest_url;
1844     target_url_status_ = TARGET_PENDING;
1845   } else {
1846     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1847     // see |ParamTraits<GURL>|.
1848     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1849       latest_url = GURL();
1850     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1851     target_url_ = latest_url;
1852     target_url_status_ = TARGET_INFLIGHT;
1853   }
1854 }
1855
1856 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1857     const gfx::RectF& rect) const {
1858   gfx::RectF window_rect = rect;
1859   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1860   return window_rect;
1861 }
1862
1863 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1864   int delay;
1865   if (send_content_state_immediately_)
1866     delay = 0;
1867   else if (is_hidden())
1868     delay = kDelaySecondsForContentStateSyncHidden;
1869   else
1870     delay = kDelaySecondsForContentStateSync;
1871
1872   if (nav_state_sync_timer_.IsRunning()) {
1873     // The timer is already running. If the delay of the timer maches the amount
1874     // we want to delay by, then return. Otherwise stop the timer so that it
1875     // gets started with the right delay.
1876     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1877       return;
1878     nav_state_sync_timer_.Stop();
1879   }
1880
1881   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1882                               &RenderViewImpl::SendUpdateState);
1883 }
1884
1885 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1886   mouse_over_url_ = GURL(url);
1887   UpdateTargetURL(mouse_over_url_, focus_url_);
1888 }
1889
1890 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1891   focus_url_ = GURL(url);
1892   UpdateTargetURL(focus_url_, mouse_over_url_);
1893 }
1894
1895 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1896                                    const WebDragData& data,
1897                                    WebDragOperationsMask mask,
1898                                    const WebImage& image,
1899                                    const WebPoint& webImageOffset) {
1900   DropData drop_data(DropDataBuilder::Build(data));
1901   drop_data.referrer_policy = frame->document().referrerPolicy();
1902   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1903   Send(new DragHostMsg_StartDragging(routing_id_,
1904                                      drop_data,
1905                                      mask,
1906                                      image.getSkBitmap(),
1907                                      imageOffset,
1908                                      possible_drag_event_info_));
1909 }
1910
1911 bool RenderViewImpl::acceptsLoadDrops() {
1912   return renderer_preferences_.can_accept_load_drops;
1913 }
1914
1915 void RenderViewImpl::focusNext() {
1916   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1917 }
1918
1919 void RenderViewImpl::focusPrevious() {
1920   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1921 }
1922
1923 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1924                                         const WebNode& toNode) {
1925   has_scrolled_focused_editable_node_into_rect_ = false;
1926
1927   gfx::Rect node_bounds;
1928   if (!toNode.isNull() && toNode.isElementNode()) {
1929     WebNode web_node = const_cast<WebNode&>(toNode);
1930     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1931   }
1932   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1933                                           node_bounds));
1934
1935   // TODO(estade): remove.
1936   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1937
1938   RenderFrameImpl* previous_frame = nullptr;
1939   if (!fromNode.isNull())
1940     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1941   RenderFrameImpl* new_frame = nullptr;
1942   if (!toNode.isNull())
1943     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1944
1945   if (previous_frame && previous_frame != new_frame)
1946     previous_frame->FocusedNodeChanged(WebNode());
1947   if (new_frame)
1948     new_frame->FocusedNodeChanged(toNode);
1949
1950   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1951   if (main_render_frame_)
1952     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
1953 }
1954
1955 void RenderViewImpl::didUpdateLayout() {
1956   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1957
1958   // We don't always want to set up a timer, only if we've been put in that
1959   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1960   // message.
1961   if (!send_preferred_size_changes_ || !webview())
1962     return;
1963
1964   if (check_preferred_size_timer_.IsRunning())
1965     return;
1966   check_preferred_size_timer_.Start(FROM_HERE,
1967                                     TimeDelta::FromMilliseconds(0), this,
1968                                     &RenderViewImpl::CheckPreferredSize);
1969 }
1970
1971 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1972   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1973 }
1974
1975 int RenderViewImpl::historyBackListCount() {
1976   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1977 }
1978
1979 int RenderViewImpl::historyForwardListCount() {
1980   return history_list_length_ - historyBackListCount() - 1;
1981 }
1982
1983 // blink::WebWidgetClient ----------------------------------------------------
1984
1985 void RenderViewImpl::didFocus() {
1986   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1987   //                 we won't have to test for user gesture anymore and we can
1988   //                 move that code back to render_widget.cc
1989   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1990       !RenderThreadImpl::current()->layout_test_mode()) {
1991     Send(new ViewHostMsg_Focus(routing_id_));
1992   }
1993 }
1994
1995 void RenderViewImpl::didBlur() {
1996   // TODO(jcivelli): see TODO above in didFocus().
1997   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1998       !RenderThreadImpl::current()->layout_test_mode()) {
1999     Send(new ViewHostMsg_Blur(routing_id_));
2000   }
2001 }
2002
2003 // We are supposed to get a single call to Show for a newly created RenderView
2004 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2005 // point to dispatch the ShowView message.
2006 //
2007 // This method provides us with the information about how to display the newly
2008 // created RenderView (i.e., as a blocked popup or as a new tab).
2009 //
2010 void RenderViewImpl::show(WebNavigationPolicy policy) {
2011   if (did_show_) {
2012     // When supports_multiple_windows is disabled, popups are reusing
2013     // the same view. In some scenarios, this makes WebKit to call show() twice.
2014     if (webkit_preferences_.supports_multiple_windows)
2015       NOTREACHED() << "received extraneous Show call";
2016     return;
2017   }
2018   did_show_ = true;
2019
2020   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2021
2022   // NOTE: initial_rect_ may still have its default values at this point, but
2023   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2024   // browser process will impose a default position otherwise.
2025   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2026       NavigationPolicyToDisposition(policy), initial_rect_,
2027       opened_by_user_gesture_));
2028   SetPendingWindowRect(initial_rect_);
2029 }
2030
2031 bool RenderViewImpl::requestPointerLock() {
2032   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2033 }
2034
2035 void RenderViewImpl::requestPointerUnlock() {
2036   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2037 }
2038
2039 bool RenderViewImpl::isPointerLocked() {
2040   return mouse_lock_dispatcher_->IsMouseLockedTo(
2041       webwidget_mouse_lock_target_.get());
2042 }
2043
2044 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2045   FOR_EACH_OBSERVER(
2046       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2047 }
2048
2049 void RenderViewImpl::didHandleGestureEvent(
2050     const WebGestureEvent& event,
2051     bool event_cancelled) {
2052   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2053
2054   if (!event_cancelled) {
2055     FOR_EACH_OBSERVER(
2056         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2057   }
2058
2059   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2060   // crbug/420130.
2061 #if defined(OS_WIN)
2062   if (event.type != blink::WebGestureEvent::GestureTap)
2063     return;
2064
2065   // TODO(estade): hit test the event against focused node to make sure
2066   // the tap actually hit the focused node.
2067   blink::WebTextInputType text_input_type =
2068       GetWebView()->textInputInfo().type;
2069
2070   Send(new ViewHostMsg_FocusedNodeTouched(
2071       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2072 #endif
2073 }
2074
2075 void RenderViewImpl::initializeLayerTreeView() {
2076   RenderWidget::initializeLayerTreeView();
2077   RenderWidgetCompositor* rwc = compositor();
2078   if (!rwc)
2079     return;
2080
2081   bool use_threaded_event_handling = true;
2082 #if defined(OS_MACOSX) && !defined(OS_IOS)
2083   // Disable threaded event handling if content is not handling the elastic
2084   // overscroll effect. This includes the cases where the elastic overscroll
2085   // effect is being handled by Blink (because of command line flags) and older
2086   // operating system versions which do not have an elastic overscroll effect
2087   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2088   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2089 #endif
2090   if (use_threaded_event_handling) {
2091     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2092     // render_thread may be NULL in tests.
2093     InputHandlerManager* input_handler_manager =
2094         render_thread ? render_thread->input_handler_manager() : NULL;
2095     if (input_handler_manager) {
2096       input_handler_manager->AddInputHandler(
2097           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2098     }
2099   }
2100 }
2101
2102 // blink::WebFrameClient -----------------------------------------------------
2103
2104 void RenderViewImpl::Repaint(const gfx::Size& size) {
2105   OnRepaint(size);
2106 }
2107
2108 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2109                                                    const std::string& value) {
2110   EditCommands edit_commands;
2111   edit_commands.push_back(EditCommand(name, value));
2112   OnSetEditCommandsForNextKeyEvent(edit_commands);
2113 }
2114
2115 void RenderViewImpl::ClearEditCommands() {
2116   edit_commands_.clear();
2117 }
2118
2119 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2120   std::string security_info;
2121   if (frame && frame->dataSource())
2122     security_info = frame->dataSource()->response().securityInfo();
2123
2124   SSLStatus result;
2125   CHECK(DeserializeSecurityInfo(security_info, &result));
2126   return result;
2127 }
2128
2129 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2130   return renderer_preferences_.accept_languages;
2131 }
2132
2133 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2134                                    WebIconURL::Type icon_type) {
2135   if (frame->parent())
2136     return;
2137
2138   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2139   std::vector<FaviconURL> urls;
2140   for (size_t i = 0; i < icon_urls.size(); i++) {
2141     std::vector<gfx::Size> sizes;
2142     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2143     urls.push_back(FaviconURL(
2144         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2145   }
2146   SendUpdateFaviconURL(urls);
2147 }
2148
2149 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2150   StartNavStateSyncTimerIfNecessary();
2151 }
2152
2153 void RenderViewImpl::CheckPreferredSize() {
2154   // We don't always want to send the change messages over IPC, only if we've
2155   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2156   // message.
2157   if (!send_preferred_size_changes_ || !webview())
2158     return;
2159
2160   gfx::Size size = webview()->contentsPreferredMinimumSize();
2161   if (size == preferred_size_)
2162     return;
2163
2164   preferred_size_ = size;
2165   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2166                                                       preferred_size_));
2167 }
2168
2169 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2170   StartNavStateSyncTimerIfNecessary();
2171 }
2172
2173 void RenderViewImpl::SendFindReply(int request_id,
2174                                    int match_count,
2175                                    int ordinal,
2176                                    const WebRect& selection_rect,
2177                                    bool final_status_update) {
2178   Send(new ViewHostMsg_Find_Reply(routing_id_,
2179                                   request_id,
2180                                   match_count,
2181                                   selection_rect,
2182                                   ordinal,
2183                                   final_status_update));
2184 }
2185
2186 blink::WebString RenderViewImpl::acceptLanguages() {
2187   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2188 }
2189
2190 // blink::WebPageSerializerClient implementation ------------------------------
2191
2192 void RenderViewImpl::didSerializeDataForFrame(
2193     const WebURL& frame_url,
2194     const WebCString& data,
2195     WebPageSerializerClient::PageSerializationStatus status) {
2196   Send(new ViewHostMsg_SendSerializedHtmlData(
2197     routing_id(),
2198     frame_url,
2199     data.data(),
2200     static_cast<int32>(status)));
2201 }
2202
2203 // RenderView implementation ---------------------------------------------------
2204
2205 bool RenderViewImpl::Send(IPC::Message* message) {
2206   return RenderWidget::Send(message);
2207 }
2208
2209 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2210   return main_render_frame_;
2211 }
2212
2213 int RenderViewImpl::GetRoutingID() const {
2214   return routing_id_;
2215 }
2216
2217 gfx::Size RenderViewImpl::GetSize() const {
2218   return size();
2219 }
2220
2221 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2222   return webkit_preferences_;
2223 }
2224
2225 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2226   OnUpdateWebPreferences(preferences);
2227 }
2228
2229 blink::WebView* RenderViewImpl::GetWebView() {
2230   return webview();
2231 }
2232
2233 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2234   if (node.isNull())
2235     return false;
2236
2237   if (node.isContentEditable())
2238     return true;
2239
2240   if (node.isElementNode()) {
2241     const WebElement& element = node.toConst<WebElement>();
2242     if (element.isTextFormControlElement()) {
2243       if (!(element.hasAttribute("readonly") ||
2244             element.hasAttribute("disabled")))
2245         return true;
2246     }
2247
2248     return base::LowerCaseEqualsASCII(
2249         base::StringPiece16(element.getAttribute("role")), "textbox");
2250   }
2251
2252   return false;
2253 }
2254
2255 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2256   return (!send_preferred_size_changes_ ||
2257           (disable_scrollbars_size_limit_.width() <= width ||
2258            disable_scrollbars_size_limit_.height() <= height));
2259 }
2260
2261 int RenderViewImpl::GetEnabledBindings() const {
2262   return enabled_bindings_;
2263 }
2264
2265 bool RenderViewImpl::GetContentStateImmediately() const {
2266   return send_content_state_immediately_;
2267 }
2268
2269 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2270   return visibilityState();
2271 }
2272
2273 void RenderViewImpl::DidStartLoading() {
2274   main_render_frame_->didStartLoading(true);
2275 }
2276
2277 void RenderViewImpl::DidStopLoading() {
2278   main_render_frame_->didStopLoading();
2279 }
2280
2281 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2282   if (!webview())
2283     return WebElement();
2284   WebFrame* focused_frame = webview()->focusedFrame();
2285   if (focused_frame) {
2286     WebDocument doc = focused_frame->document();
2287     if (!doc.isNull())
2288       return doc.focusedElement();
2289   }
2290
2291   return WebElement();
2292 }
2293
2294 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2295   if (!webview())
2296     return NULL;
2297
2298   WebFrame* main_frame = webview()->mainFrame();
2299   if (main_frame->isWebLocalFrame() &&
2300       main_frame->document().isPluginDocument())
2301     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2302
2303 #if defined(ENABLE_PLUGINS)
2304   if (plugin_find_handler_)
2305     return plugin_find_handler_->container()->plugin();
2306 #endif
2307
2308   return NULL;
2309 }
2310
2311 void RenderViewImpl::OnFind(int request_id,
2312                             const base::string16& search_text,
2313                             const WebFindOptions& options) {
2314   WebFrame* main_frame = webview()->mainFrame();
2315   blink::WebPlugin* plugin = GetWebPluginForFind();
2316   // Check if the plugin still exists in the document.
2317   if (plugin) {
2318     if (options.findNext) {
2319       // Just navigate back/forward.
2320       plugin->selectFindResult(options.forward);
2321     } else {
2322       if (!plugin->startFind(
2323           search_text, options.matchCase, request_id)) {
2324         // Send "no results".
2325         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2326       }
2327     }
2328     return;
2329   }
2330
2331   WebFrame* frame_after_main = main_frame->traverseNext(true);
2332   WebFrame* focused_frame = webview()->focusedFrame();
2333   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2334
2335   bool multi_frame = (frame_after_main != main_frame);
2336
2337   // If we have multiple frames, we don't want to wrap the search within the
2338   // frame, so we check here if we only have main_frame in the chain.
2339   bool wrap_within_frame = !multi_frame;
2340
2341   WebRect selection_rect;
2342   bool result = false;
2343
2344   // If something is selected when we start searching it means we cannot just
2345   // increment the current match ordinal; we need to re-generate it.
2346   WebRange current_selection = focused_frame->selectionRange();
2347
2348   do {
2349     result = search_frame->find(
2350         request_id, search_text, options, wrap_within_frame, &selection_rect);
2351
2352     if (!result) {
2353       // don't leave text selected as you move to the next frame.
2354       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2355                                    GetFocusedElement());
2356
2357       // Find the next frame, but skip the invisible ones.
2358       do {
2359         // What is the next frame to search? (we might be going backwards). Note
2360         // that we specify wrap=true so that search_frame never becomes NULL.
2361         search_frame = options.forward ?
2362             search_frame->traverseNext(true) :
2363             search_frame->traversePrevious(true);
2364       } while (!search_frame->hasVisibleContent() &&
2365                search_frame != focused_frame);
2366
2367       // Make sure selection doesn't affect the search operation in new frame.
2368       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2369                                    GetFocusedElement());
2370
2371       // If we have multiple frames and we have wrapped back around to the
2372       // focused frame, we need to search it once more allowing wrap within
2373       // the frame, otherwise it will report 'no match' if the focused frame has
2374       // reported matches, but no frames after the focused_frame contain a
2375       // match for the search word(s).
2376       if (multi_frame && search_frame == focused_frame) {
2377         result = search_frame->find(
2378             request_id, search_text, options, true,  // Force wrapping.
2379             &selection_rect);
2380       }
2381     }
2382
2383     webview()->setFocusedFrame(search_frame);
2384   } while (!result && search_frame != focused_frame);
2385
2386   if (options.findNext && current_selection.isNull()) {
2387     // Force the main_frame to report the actual count.
2388     main_frame->increaseMatchCount(0, request_id);
2389   } else {
2390     // If nothing is found, set result to "0 of 0", otherwise, set it to
2391     // "-1 of 1" to indicate that we found at least one item, but we don't know
2392     // yet what is active.
2393     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2394     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2395
2396     // If we find no matches then this will be our last status update.
2397     // Otherwise the scoping effort will send more results.
2398     bool final_status_update = !result;
2399
2400     SendFindReply(request_id, match_count, ordinal, selection_rect,
2401                   final_status_update);
2402
2403     // Scoping effort begins, starting with the mainframe.
2404     search_frame = main_frame;
2405
2406     main_frame->resetMatchCount();
2407
2408     do {
2409       // Cancel all old scoping requests before starting a new one.
2410       search_frame->cancelPendingScopingEffort();
2411
2412       // We don't start another scoping effort unless at least one match has
2413       // been found.
2414       if (result) {
2415         // Start new scoping request. If the scoping function determines that it
2416         // needs to scope, it will defer until later.
2417         search_frame->scopeStringMatches(request_id,
2418                                          search_text,
2419                                          options,
2420                                          true);  // reset the tickmarks
2421       }
2422
2423       // Iterate to the next frame. The frame will not necessarily scope, for
2424       // example if it is not visible.
2425       search_frame = search_frame->traverseNext(true);
2426     } while (search_frame != main_frame);
2427   }
2428 }
2429
2430 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2431   WebView* view = webview();
2432   if (!view)
2433     return;
2434
2435   blink::WebPlugin* plugin = GetWebPluginForFind();
2436   if (plugin) {
2437     plugin->stopFind();
2438     return;
2439   }
2440
2441   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2442   if (clear_selection) {
2443     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2444                                          GetFocusedElement());
2445   }
2446
2447   WebFrame* frame = view->mainFrame();
2448   while (frame) {
2449     frame->stopFinding(clear_selection);
2450     frame = frame->traverseNext(false);
2451   }
2452
2453   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2454     WebFrame* focused_frame = view->focusedFrame();
2455     if (focused_frame) {
2456       WebDocument doc = focused_frame->document();
2457       if (!doc.isNull()) {
2458         WebElement element = doc.focusedElement();
2459         if (!element.isNull())
2460           element.simulateClick();
2461       }
2462     }
2463   }
2464 }
2465
2466 #if defined(OS_ANDROID)
2467 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2468                                                  float x, float y) {
2469   if (!webview())
2470       return;
2471
2472   WebFrame* main_frame = webview()->mainFrame();
2473   WebRect selection_rect;
2474   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2475                                                    &selection_rect);
2476   if (ordinal == -1) {
2477     // Something went wrong, so send a no-op reply (force the main_frame to
2478     // report the current match count) in case the host is waiting for a
2479     // response due to rate-limiting).
2480     main_frame->increaseMatchCount(0, request_id);
2481     return;
2482   }
2483
2484   SendFindReply(request_id,
2485                 -1 /* number_of_matches */,
2486                 ordinal,
2487                 selection_rect,
2488                 true /* final_update */);
2489 }
2490
2491 void RenderViewImpl::OnFindMatchRects(int current_version) {
2492   if (!webview())
2493       return;
2494
2495   WebFrame* main_frame = webview()->mainFrame();
2496   std::vector<gfx::RectF> match_rects;
2497
2498   int rects_version = main_frame->findMatchMarkersVersion();
2499   if (current_version != rects_version) {
2500     WebVector<WebFloatRect> web_match_rects;
2501     main_frame->findMatchRects(web_match_rects);
2502     match_rects.reserve(web_match_rects.size());
2503     for (size_t i = 0; i < web_match_rects.size(); ++i)
2504       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2505   }
2506
2507   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2508   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2509                                                rects_version,
2510                                                match_rects,
2511                                                active_rect));
2512 }
2513 #endif
2514
2515 void RenderViewImpl::OnResetPageScale() {
2516   if (!webview())
2517     return;
2518   webview()->setPageScaleFactor(1);
2519 }
2520
2521 void RenderViewImpl::OnZoom(PageZoom zoom) {
2522   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2523     return;
2524
2525   webview()->hidePopups();
2526
2527   double old_zoom_level = webview()->zoomLevel();
2528   double zoom_level;
2529   if (zoom == PAGE_ZOOM_RESET) {
2530     zoom_level = 0;
2531   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2532     // Previous zoom level is a whole number, so just increment/decrement.
2533     zoom_level = old_zoom_level + zoom;
2534   } else {
2535     // Either the user hit the zoom factor limit and thus the zoom level is now
2536     // not a whole number, or a plugin changed it to a custom value.  We want
2537     // to go to the next whole number so that the user can always get back to
2538     // 100% with the keyboard/menu.
2539     if ((old_zoom_level > 1 && zoom > 0) ||
2540         (old_zoom_level < 1 && zoom < 0)) {
2541       zoom_level = static_cast<int>(old_zoom_level + zoom);
2542     } else {
2543       // We're going towards 100%, so first go to the next whole number.
2544       zoom_level = static_cast<int>(old_zoom_level);
2545     }
2546   }
2547   SetZoomLevel(zoom_level);
2548   zoomLevelChanged();
2549 }
2550
2551 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2552                                                  double zoom_level) {
2553 #if !defined(OS_ANDROID)
2554   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2555   // for legacy WebView text scaling emulation. Thus, the code that resets
2556   // the zoom level from this map will be effectively resetting text zoom level.
2557   host_zoom_levels_[url] = zoom_level;
2558 #endif
2559 }
2560
2561 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2562                                            double level) {
2563   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2564
2565   webview()->hidePopups();
2566   SetZoomLevel(level);
2567 }
2568
2569 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2570   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2571 }
2572
2573 void RenderViewImpl::OnResetPageEncodingToDefault() {
2574   WebString no_encoding;
2575   webview()->setPageEncoding(no_encoding);
2576 }
2577
2578 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2579   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2580       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2581     // WebUIExtensionData deletes itself when we're destroyed.
2582     new WebUIExtensionData(this);
2583     // WebUIMojo deletes itself when we're destroyed.
2584     new WebUIMojo(this);
2585   }
2586
2587   enabled_bindings_ |= enabled_bindings_flags;
2588
2589   // Keep track of the total bindings accumulated in this process.
2590   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2591 }
2592
2593 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2594                                            const gfx::Point& client_point,
2595                                            const gfx::Point& screen_point,
2596                                            WebDragOperationsMask ops,
2597                                            int key_modifiers) {
2598   WebDragOperation operation = webview()->dragTargetDragEnter(
2599       DropDataToWebDragData(drop_data),
2600       client_point,
2601       screen_point,
2602       ops,
2603       key_modifiers);
2604
2605   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2606 }
2607
2608 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2609                                           const gfx::Point& screen_point,
2610                                           WebDragOperationsMask ops,
2611                                           int key_modifiers) {
2612   WebDragOperation operation = webview()->dragTargetDragOver(
2613       client_point,
2614       screen_point,
2615       ops,
2616       key_modifiers);
2617
2618   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2619 }
2620
2621 void RenderViewImpl::OnDragTargetDragLeave() {
2622   webview()->dragTargetDragLeave();
2623 }
2624
2625 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2626                                       const gfx::Point& screen_point,
2627                                       int key_modifiers) {
2628   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2629 }
2630
2631 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2632                                        const gfx::Point& screen_point,
2633                                        WebDragOperation op) {
2634   webview()->dragSourceEndedAt(client_point, screen_point, op);
2635 }
2636
2637 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2638   webview()->dragSourceSystemDragEnded();
2639 }
2640
2641 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2642   webkit_preferences_ = prefs;
2643   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2644 }
2645
2646 void RenderViewImpl::OnEnumerateDirectoryResponse(
2647     int id,
2648     const std::vector<base::FilePath>& paths) {
2649   if (!enumeration_completions_[id])
2650     return;
2651
2652   WebVector<WebString> ws_file_names(paths.size());
2653   for (size_t i = 0; i < paths.size(); ++i)
2654     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2655
2656   enumeration_completions_[id]->didChooseFile(ws_file_names);
2657   enumeration_completions_.erase(id);
2658 }
2659
2660 void RenderViewImpl::OnFileChooserResponse(
2661     const std::vector<content::FileChooserFileInfo>& files) {
2662   // This could happen if we navigated to a different page before the user
2663   // closed the chooser.
2664   if (file_chooser_completions_.empty())
2665     return;
2666
2667   // Convert Chrome's SelectedFileInfo list to WebKit's.
2668   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2669       files.size());
2670   for (size_t i = 0; i < files.size(); ++i) {
2671     WebFileChooserCompletion::SelectedFileInfo selected_file;
2672     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2673     selected_file.displayName =
2674         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2675     if (files[i].file_system_url.is_valid()) {
2676       selected_file.fileSystemURL = files[i].file_system_url;
2677       selected_file.length = files[i].length;
2678       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2679       selected_file.isDirectory = files[i].is_directory;
2680     }
2681     selected_files[i] = selected_file;
2682   }
2683
2684   if (file_chooser_completions_.front()->completion)
2685     file_chooser_completions_.front()->completion->didChooseFile(
2686         selected_files);
2687   file_chooser_completions_.pop_front();
2688
2689   // If there are more pending file chooser requests, schedule one now.
2690   if (!file_chooser_completions_.empty()) {
2691     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2692         file_chooser_completions_.front()->params));
2693   }
2694 }
2695
2696 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2697                                         const gfx::Size& max_size) {
2698   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2699   if (!webview())
2700     return;
2701   auto_resize_mode_ = true;
2702   webview()->enableAutoResizeMode(min_size, max_size);
2703 }
2704
2705 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2706   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2707   if (!webview())
2708     return;
2709   auto_resize_mode_ = false;
2710   webview()->disableAutoResizeMode();
2711
2712   if (!new_size.IsEmpty()) {
2713     Resize(new_size,
2714            physical_backing_size_,
2715            top_controls_shrink_blink_size_,
2716            top_controls_height_,
2717            visible_viewport_size_,
2718            resizer_rect_,
2719            is_fullscreen_granted_,
2720            display_mode_,
2721            NO_RESIZE_ACK);
2722   }
2723 }
2724
2725 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2726   if (send_preferred_size_changes_)
2727     return;
2728   send_preferred_size_changes_ = true;
2729
2730   // Start off with an initial preferred size notification (in case
2731   // |didUpdateLayout| was already called).
2732   didUpdateLayout();
2733 }
2734
2735 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2736     const gfx::Size& disable_scrollbar_size_limit) {
2737   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2738 }
2739
2740 void RenderViewImpl::OnSetRendererPrefs(
2741     const RendererPreferences& renderer_prefs) {
2742   double old_zoom_level = renderer_preferences_.default_zoom_level;
2743   std::string old_accept_languages = renderer_preferences_.accept_languages;
2744
2745   renderer_preferences_ = renderer_prefs;
2746
2747   UpdateFontRenderingFromRendererPrefs();
2748   UpdateThemePrefs();
2749
2750 #if defined(USE_DEFAULT_RENDER_THEME)
2751   if (renderer_prefs.use_custom_colors) {
2752     WebColorName name = blink::WebColorWebkitFocusRingColor;
2753     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2754     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2755
2756     if (webview()) {
2757       webview()->setSelectionColors(
2758           renderer_prefs.active_selection_bg_color,
2759           renderer_prefs.active_selection_fg_color,
2760           renderer_prefs.inactive_selection_bg_color,
2761           renderer_prefs.inactive_selection_fg_color);
2762       webview()->themeChanged();
2763     }
2764   }
2765 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2766
2767   // If the zoom level for this page matches the old zoom default, and this
2768   // is not a plugin, update the zoom level to match the new default.
2769   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2770       !webview()->mainFrame()->document().isPluginDocument() &&
2771       !ZoomValuesEqual(old_zoom_level,
2772                        renderer_preferences_.default_zoom_level) &&
2773       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2774     SetZoomLevel(renderer_preferences_.default_zoom_level);
2775     zoomLevelChanged();
2776   }
2777
2778   if (webview() &&
2779       old_accept_languages != renderer_preferences_.accept_languages) {
2780     webview()->acceptLanguagesChanged();
2781   }
2782 }
2783
2784 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2785                                            const WebMediaPlayerAction& action) {
2786   if (webview())
2787     webview()->performMediaPlayerAction(action, location);
2788 }
2789
2790 void RenderViewImpl::OnOrientationChange() {
2791   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2792     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2793 }
2794
2795 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2796                                       const WebPluginAction& action) {
2797   if (webview())
2798     webview()->performPluginAction(action, location);
2799 }
2800
2801 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2802     const GURL& page_url) {
2803   // Prepare list to storage all savable resource links.
2804   std::vector<GURL> resources_list;
2805   std::vector<GURL> referrer_urls_list;
2806   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2807   std::vector<GURL> frames_list;
2808   SavableResourcesResult result(&resources_list,
2809                                 &referrer_urls_list,
2810                                 &referrer_policies_list,
2811                                 &frames_list);
2812
2813   // webkit/ doesn't know about Referrer.
2814   if (!GetAllSavableResourceLinksForCurrentPage(
2815           webview(),
2816           page_url,
2817           &result,
2818           const_cast<const char**>(GetSavableSchemes()))) {
2819     // If something is wrong when collecting all savable resource links,
2820     // send empty list to embedder(browser) to tell it failed.
2821     referrer_urls_list.clear();
2822     referrer_policies_list.clear();
2823     resources_list.clear();
2824     frames_list.clear();
2825   }
2826
2827   std::vector<Referrer> referrers_list;
2828   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2829   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2830     referrers_list.push_back(
2831         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2832   }
2833
2834   // Send result of all savable resource links to embedder.
2835   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2836                                                               resources_list,
2837                                                               referrers_list,
2838                                                               frames_list));
2839 }
2840
2841 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2842     const std::vector<GURL>& links,
2843     const std::vector<base::FilePath>& local_paths,
2844     const base::FilePath& local_directory_name) {
2845
2846   // Convert std::vector of GURLs to WebVector<WebURL>
2847   WebVector<WebURL> weburl_links(links);
2848
2849   // Convert std::vector of base::FilePath to WebVector<WebString>
2850   WebVector<WebString> webstring_paths(local_paths.size());
2851   for (size_t i = 0; i < local_paths.size(); i++)
2852     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2853
2854   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2855                                true,
2856                                this,
2857                                weburl_links,
2858                                webstring_paths,
2859                                local_directory_name.AsUTF16Unsafe());
2860 }
2861
2862 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2863   // Don't show any more dialogs until we finish OnSwapOut.
2864   suppress_dialogs_until_swap_out_ = true;
2865 }
2866
2867 void RenderViewImpl::OnClosePage() {
2868   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2869   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2870   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2871   // in the onunload handler from appearing.  For now, we're bypassing that and
2872   // calling the FrameLoader's CloseURL method directly.  This should be
2873   // revisited to avoid having two ways to close a page.  Having a single way
2874   // to close that can run onunload is also useful for fixing
2875   // http://b/issue?id=753080.
2876   webview()->mainFrame()->dispatchUnloadEvent();
2877
2878   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2879 }
2880
2881 void RenderViewImpl::OnClose() {
2882   if (closing_)
2883     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2884   RenderWidget::OnClose();
2885 }
2886
2887 void RenderViewImpl::OnThemeChanged() {
2888 #if defined(USE_AURA)
2889   // Aura doesn't care if we switch themes.
2890 #elif defined(OS_WIN)
2891   ui::NativeThemeWin::instance()->CloseHandles();
2892   if (webview())
2893     webview()->themeChanged();
2894 #else  // defined(OS_WIN)
2895   // TODO(port): we don't support theming on non-Windows platforms yet
2896   NOTIMPLEMENTED();
2897 #endif
2898 }
2899
2900 void RenderViewImpl::OnMoveOrResizeStarted() {
2901   if (webview())
2902     webview()->hidePopups();
2903 }
2904
2905 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2906   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2907   if (webview()) {
2908     webview()->hidePopups();
2909     if (send_preferred_size_changes_) {
2910       webview()->mainFrame()->setCanHaveScrollbars(
2911           ShouldDisplayScrollbars(params.new_size.width(),
2912                                   params.new_size.height()));
2913     }
2914     if (display_mode_ != params.display_mode) {
2915       display_mode_ = params.display_mode;
2916       webview()->setDisplayMode(display_mode_);
2917     }
2918   }
2919
2920   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2921
2922   RenderWidget::OnResize(params);
2923
2924   if (old_visible_viewport_size != visible_viewport_size_)
2925     has_scrolled_focused_editable_node_into_rect_ = false;
2926 }
2927
2928 void RenderViewImpl::DidInitiatePaint() {
2929 #if defined(ENABLE_PLUGINS)
2930   // Notify all instances that we painted.  The same caveats apply as for
2931   // ViewFlushedPaint regarding instances closing themselves, so we take
2932   // similar precautions.
2933   PepperPluginSet plugins = active_pepper_instances_;
2934   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2935     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2936       (*i)->ViewInitiatedPaint();
2937   }
2938 #endif
2939 }
2940
2941 void RenderViewImpl::DidFlushPaint() {
2942   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2943   // See crbug.com/112921.
2944   if (!webview())
2945     return;
2946
2947   WebFrame* main_frame = webview()->mainFrame();
2948   for (WebFrame* frame = main_frame; frame;
2949        frame = frame->traverseNext(false)) {
2950     // TODO(nasko): This is a hack for the case in which the top-level
2951     // frame is being rendered in another process. It will not
2952     // behave correctly for out of process iframes.
2953     if (frame->isWebLocalFrame()) {
2954       main_frame = frame;
2955       break;
2956     }
2957   }
2958
2959   // There's nothing to do if there are no local frames in this RenderView's
2960   // frame tree. This can happen if DidFlushPaint is called after the
2961   // RenderView's local main frame is swapped to a remote frame. See
2962   // http://crbug.com/513552.
2963   if (main_frame->isWebRemoteFrame())
2964     return;
2965
2966   // If we have a provisional frame we are between the start and commit stages
2967   // of loading and we don't want to save stats.
2968   if (!main_frame->provisionalDataSource()) {
2969     WebDataSource* ds = main_frame->dataSource();
2970     if (!ds)
2971       return;
2972
2973     DocumentState* document_state = DocumentState::FromDataSource(ds);
2974
2975     // TODO(jar): The following code should all be inside a method, probably in
2976     // NavigatorState.
2977     Time now = Time::Now();
2978     if (document_state->first_paint_time().is_null()) {
2979       document_state->set_first_paint_time(now);
2980     }
2981     if (document_state->first_paint_after_load_time().is_null() &&
2982         !document_state->finish_load_time().is_null()) {
2983       document_state->set_first_paint_after_load_time(now);
2984     }
2985   }
2986 }
2987
2988 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
2989   WebFrame* main_frame = webview()->mainFrame();
2990   for (WebFrame* frame = main_frame; frame;
2991        frame = frame->traverseNext(false)) {
2992     // TODO(nasko): This is a hack for the case in which the top-level
2993     // frame is being rendered in another process. It will not
2994     // behave correctly for out of process iframes.
2995     if (frame->isWebLocalFrame()) {
2996       main_frame = frame;
2997       break;
2998     }
2999   }
3000
3001   WebSize scroll_offset = main_frame->scrollOffset();
3002   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3003 }
3004
3005 void RenderViewImpl::OnClearFocusedElement() {
3006   if (webview())
3007     webview()->clearFocusedElement();
3008 }
3009
3010 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3011   if (webview())
3012     webview()->setIsTransparent(!opaque);
3013   if (compositor_)
3014     compositor_->setHasTransparentBackground(!opaque);
3015 }
3016
3017 void RenderViewImpl::OnSetActive(bool active) {
3018   if (webview())
3019     webview()->setIsActive(active);
3020
3021 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3022   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3023   for (plugin_it = plugin_delegates_.begin();
3024        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3025     (*plugin_it)->SetWindowFocus(active);
3026   }
3027 #endif
3028 }
3029
3030 #if defined(OS_MACOSX)
3031 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3032 #if defined(ENABLE_PLUGINS)
3033   // Inform plugins that their container has changed visibility.
3034   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3035   for (plugin_it = plugin_delegates_.begin();
3036        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3037     (*plugin_it)->SetContainerVisibility(visible);
3038   }
3039 #endif
3040 }
3041
3042 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3043                                           const gfx::Rect& view_frame) {
3044 #if defined(ENABLE_PLUGINS)
3045   // Inform plugins that their window's frame has changed.
3046   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3047   for (plugin_it = plugin_delegates_.begin();
3048        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3049     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3050   }
3051 #endif
3052 }
3053
3054 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3055                                                      int plugin_id) {
3056   // WebPluginDelegateProxy is responsible for figuring out if this event
3057   // applies to it or not, so inform all the delegates.
3058   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3059   for (plugin_it = plugin_delegates_.begin();
3060        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3061     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3062   }
3063 }
3064 #endif  // OS_MACOSX
3065
3066 void RenderViewImpl::Close() {
3067   // We need to grab a pointer to the doomed WebView before we destroy it.
3068   WebView* doomed = webview();
3069   RenderWidget::Close();
3070   g_view_map.Get().erase(doomed);
3071   g_routing_id_view_map.Get().erase(routing_id_);
3072   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3073 }
3074
3075 void RenderViewImpl::DidHandleKeyEvent() {
3076   ClearEditCommands();
3077 }
3078
3079 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3080   possible_drag_event_info_.event_source =
3081       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3082   possible_drag_event_info_.event_location =
3083       gfx::Point(event.globalX, event.globalY);
3084
3085 #if defined(ENABLE_PLUGINS)
3086   // This method is called for every mouse event that the render view receives.
3087   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3088   // event target. Potentially a Pepper plugin will receive the event.
3089   // In order to tell whether a plugin gets the last mouse event and which it
3090   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3091   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3092   // |pepper_last_mouse_event_target_|.
3093   pepper_last_mouse_event_target_ = NULL;
3094 #endif
3095
3096   // If the mouse is locked, only the current owner of the mouse lock can
3097   // process mouse events.
3098   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3099 }
3100
3101 bool RenderViewImpl::WillHandleGestureEvent(
3102     const blink::WebGestureEvent& event) {
3103   possible_drag_event_info_.event_source =
3104       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3105   possible_drag_event_info_.event_location =
3106       gfx::Point(event.globalX, event.globalY);
3107   return false;
3108 }
3109
3110 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3111   if (!webview())
3112     return false;
3113   return webview()->hasTouchEventHandlersAt(point);
3114 }
3115
3116 void RenderViewImpl::OnWasHidden() {
3117   RenderWidget::OnWasHidden();
3118
3119 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3120   RenderThreadImpl::current()->video_capture_impl_manager()->
3121       SuspendDevices(true);
3122   if (speech_recognition_dispatcher_)
3123     speech_recognition_dispatcher_->AbortAllRecognitions();
3124 #endif
3125
3126   if (webview())
3127     webview()->setVisibilityState(visibilityState(), false);
3128
3129 #if defined(ENABLE_PLUGINS)
3130   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3131        i != active_pepper_instances_.end(); ++i)
3132     (*i)->PageVisibilityChanged(false);
3133
3134 #if defined(OS_MACOSX)
3135   // Inform NPAPI plugins that their container is no longer visible.
3136   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3137   for (plugin_it = plugin_delegates_.begin();
3138        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3139     (*plugin_it)->SetContainerVisibility(false);
3140   }
3141 #endif  // OS_MACOSX
3142 #endif // ENABLE_PLUGINS
3143 }
3144
3145 void RenderViewImpl::OnWasShown(bool needs_repainting,
3146                                 const ui::LatencyInfo& latency_info) {
3147   RenderWidget::OnWasShown(needs_repainting, latency_info);
3148
3149 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3150   RenderThreadImpl::current()->video_capture_impl_manager()->
3151       SuspendDevices(false);
3152 #endif
3153
3154   if (webview())
3155     webview()->setVisibilityState(visibilityState(), false);
3156
3157 #if defined(ENABLE_PLUGINS)
3158   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3159        i != active_pepper_instances_.end(); ++i)
3160     (*i)->PageVisibilityChanged(true);
3161
3162 #if defined(OS_MACOSX)
3163   // Inform NPAPI plugins that their container is now visible.
3164   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3165   for (plugin_it = plugin_delegates_.begin();
3166        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3167     (*plugin_it)->SetContainerVisibility(true);
3168   }
3169 #endif  // OS_MACOSX
3170 #endif  // ENABLE_PLUGINS
3171 }
3172
3173 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3174   DCHECK(webview());
3175   if (webview()->mainFrame()->isWebLocalFrame())
3176     return GURL(webview()->mainFrame()->document().url());
3177   else
3178     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3179 }
3180
3181 void RenderViewImpl::OnSetFocus(bool enable) {
3182   RenderWidget::OnSetFocus(enable);
3183
3184 #if defined(ENABLE_PLUGINS)
3185   if (webview() && webview()->isActive()) {
3186     // Notify all NPAPI plugins.
3187     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3188     for (plugin_it = plugin_delegates_.begin();
3189          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3190 #if defined(OS_MACOSX)
3191       // RenderWidget's call to setFocus can cause the underlying webview's
3192       // activation state to change just like a call to setIsActive.
3193       if (enable)
3194         (*plugin_it)->SetWindowFocus(true);
3195 #endif
3196       (*plugin_it)->SetContentAreaFocus(enable);
3197     }
3198   }
3199   // Notify all Pepper plugins.
3200   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3201        i != active_pepper_instances_.end(); ++i)
3202     (*i)->SetContentAreaFocus(enable);
3203 #endif
3204   // Notify all BrowserPlugins of the RenderView's focus state.
3205   if (BrowserPluginManager::Get())
3206     BrowserPluginManager::Get()->UpdateFocusState();
3207 }
3208
3209 void RenderViewImpl::OnImeSetComposition(
3210     const base::string16& text,
3211     const std::vector<blink::WebCompositionUnderline>& underlines,
3212     int selection_start,
3213     int selection_end) {
3214 #if defined(ENABLE_PLUGINS)
3215   if (focused_pepper_plugin_) {
3216     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3217         text, underlines, selection_start, selection_end);
3218     return;
3219   }
3220
3221 #if defined(OS_WIN)
3222   // When a plugin has focus, we create platform-specific IME data used by
3223   // our IME emulator and send it directly to the focused plugin, i.e. we
3224   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3225   // instance ID is the same one as the specified ID.)
3226   if (focused_plugin_id_ >= 0) {
3227     std::vector<int> clauses;
3228     std::vector<int> target;
3229     for (size_t i = 0; i < underlines.size(); ++i) {
3230       clauses.push_back(underlines[i].startOffset);
3231       clauses.push_back(underlines[i].endOffset);
3232       if (underlines[i].thick) {
3233         target.clear();
3234         target.push_back(underlines[i].startOffset);
3235         target.push_back(underlines[i].endOffset);
3236       }
3237     }
3238     std::set<WebPluginDelegateProxy*>::iterator it;
3239     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3240       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3241                                    focused_plugin_id_);
3242     }
3243     return;
3244   }
3245 #endif  // OS_WIN
3246 #endif  // ENABLE_PLUGINS
3247   RenderWidget::OnImeSetComposition(text,
3248                                     underlines,
3249                                     selection_start,
3250                                     selection_end);
3251 }
3252
3253 void RenderViewImpl::OnImeConfirmComposition(
3254     const base::string16& text,
3255     const gfx::Range& replacement_range,
3256     bool keep_selection) {
3257 #if defined(ENABLE_PLUGINS)
3258   if (focused_pepper_plugin_) {
3259     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3260         text, replacement_range, keep_selection);
3261     return;
3262   }
3263 #if defined(OS_WIN)
3264   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3265   // plugins. When we send IME text directly to plugins, we should not send
3266   // it to WebKit to prevent WebKit from controlling IMEs.
3267   // TODO(thakis): Honor |replacement_range| for plugins?
3268   if (focused_plugin_id_ >= 0) {
3269     std::set<WebPluginDelegateProxy*>::iterator it;
3270     for (it = plugin_delegates_.begin();
3271           it != plugin_delegates_.end(); ++it) {
3272       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3273     }
3274     return;
3275   }
3276 #endif  // OS_WIN
3277 #endif  // ENABLE_PLUGINS
3278   if (replacement_range.IsValid() && webview()) {
3279     // Select the text in |replacement_range|, it will then be replaced by
3280     // text added by the call to RenderWidget::OnImeConfirmComposition().
3281     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3282       WebRange webrange = WebRange::fromDocumentRange(
3283           frame, replacement_range.start(), replacement_range.length());
3284       if (!webrange.isNull())
3285         frame->selectRange(webrange);
3286     }
3287   }
3288   RenderWidget::OnImeConfirmComposition(text,
3289                                         replacement_range,
3290                                         keep_selection);
3291 }
3292
3293 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3294   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3295   if (webview()) {
3296     webview()->setDeviceScaleFactor(device_scale_factor);
3297     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3298         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3299   }
3300   if (auto_resize_mode_)
3301     AutoResizeCompositor();
3302 }
3303
3304 bool RenderViewImpl::SetDeviceColorProfile(
3305     const std::vector<char>& profile) {
3306   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3307   if (changed && webview()) {
3308     WebVector<char> colorProfile = profile;
3309     webview()->setDeviceColorProfile(colorProfile);
3310   }
3311   return changed;
3312 }
3313
3314 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3315   RenderWidget::ResetDeviceColorProfileForTesting();
3316   if (webview())
3317     webview()->resetDeviceColorProfile();
3318 }
3319
3320 ui::TextInputType RenderViewImpl::GetTextInputType() {
3321 #if defined(ENABLE_PLUGINS)
3322   if (focused_pepper_plugin_)
3323     return focused_pepper_plugin_->text_input_type();
3324 #endif
3325   return RenderWidget::GetTextInputType();
3326 }
3327
3328 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3329 #if defined(ENABLE_PLUGINS)
3330   if (focused_pepper_plugin_) {
3331     // TODO(kinaba) http://crbug.com/101101
3332     // Current Pepper IME API does not handle selection bounds. So we simply
3333     // use the caret position as an empty range for now. It will be updated
3334     // after Pepper API equips features related to surrounding text retrieval.
3335     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3336     *start = caret;
3337     *end = caret;
3338     return;
3339   }
3340 #endif
3341   RenderWidget::GetSelectionBounds(start, end);
3342 }
3343
3344 void RenderViewImpl::FocusChangeComplete() {
3345   RenderWidget::FocusChangeComplete();
3346   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3347 }
3348
3349 void RenderViewImpl::GetCompositionCharacterBounds(
3350     std::vector<gfx::Rect>* bounds) {
3351   DCHECK(bounds);
3352   bounds->clear();
3353
3354 #if defined(ENABLE_PLUGINS)
3355   if (focused_pepper_plugin_) {
3356     return;
3357   }
3358 #endif
3359
3360   if (!webview())
3361     return;
3362   size_t start_offset = 0;
3363   size_t character_count = 0;
3364   if (!webview()->compositionRange(&start_offset, &character_count))
3365     return;
3366   if (character_count == 0)
3367     return;
3368
3369   blink::WebFrame* frame = webview()->focusedFrame();
3370   if (!frame)
3371     return;
3372
3373   bounds->reserve(character_count);
3374   blink::WebRect webrect;
3375   for (size_t i = 0; i < character_count; ++i) {
3376     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3377       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3378       bounds->clear();
3379       return;
3380     }
3381     bounds->push_back(webrect);
3382   }
3383 }
3384
3385 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3386 #if defined(ENABLE_PLUGINS)
3387   if (focused_pepper_plugin_) {
3388     return;
3389   }
3390 #endif
3391   RenderWidget::GetCompositionRange(range);
3392 }
3393
3394 bool RenderViewImpl::CanComposeInline() {
3395 #if defined(ENABLE_PLUGINS)
3396   if (focused_pepper_plugin_)
3397     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3398 #endif
3399   return true;
3400 }
3401
3402 void RenderViewImpl::DidCompletePageScaleAnimation() {
3403   FocusChangeComplete();
3404 }
3405
3406 #if defined(OS_ANDROID)
3407 bool RenderViewImpl::DoesRecordFullLayer() const {
3408   return webkit_preferences_.record_whole_document;
3409 }
3410 #endif
3411
3412 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3413     bool enabled,
3414     const blink::WebDeviceEmulationParams& params) {
3415   if (webview() && compositor()) {
3416     if (enabled)
3417       webview()->enableDeviceEmulation(params);
3418     else
3419       webview()->disableDeviceEmulation();
3420   }
3421 }
3422
3423 bool RenderViewImpl::ScheduleFileChooser(
3424     const FileChooserParams& params,
3425     WebFileChooserCompletion* completion) {
3426   static const size_t kMaximumPendingFileChooseRequests = 4;
3427   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3428     // This sanity check prevents too many file choose requests from getting
3429     // queued which could DoS the user. Getting these is most likely a
3430     // programming error (there are many ways to DoS the user so it's not
3431     // considered a "real" security check), either in JS requesting many file
3432     // choosers to pop up, or in a plugin.
3433     //
3434     // TODO(brettw) we might possibly want to require a user gesture to open
3435     // a file picker, which will address this issue in a better way.
3436     return false;
3437   }
3438
3439   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3440       new PendingFileChooser(params, completion)));
3441   if (file_chooser_completions_.size() == 1) {
3442     // Actually show the browse dialog when this is the first request.
3443     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3444   }
3445   return true;
3446 }
3447
3448 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3449   if (!speech_recognition_dispatcher_)
3450     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3451   return speech_recognition_dispatcher_;
3452 }
3453
3454 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3455                                        double maximum_level) {
3456   // Round the double to avoid returning incorrect minimum/maximum zoom
3457   // percentages.
3458   int minimum_percent = round(
3459       ZoomLevelToZoomFactor(minimum_level) * 100);
3460   int maximum_percent = round(
3461       ZoomLevelToZoomFactor(maximum_level) * 100);
3462
3463   Send(new ViewHostMsg_UpdateZoomLimits(
3464       routing_id_, minimum_percent, maximum_percent));
3465 }
3466
3467 void RenderViewImpl::zoomLevelChanged() {
3468   double zoom_level = webview()->zoomLevel();
3469
3470   // Do not send empty URLs to the browser when we are just setting the default
3471   // zoom level (from RendererPreferences) before the first navigation.
3472   if (!webview()->mainFrame()->document().url().isEmpty()) {
3473     // Tell the browser which url got zoomed so it can update the menu and the
3474     // saved values if necessary
3475     Send(new ViewHostMsg_DidZoomURL(
3476         routing_id_, zoom_level,
3477         GURL(webview()->mainFrame()->document().url())));
3478   }
3479 }
3480
3481 void RenderViewImpl::pageScaleFactorChanged() {
3482   if (!webview())
3483     return;
3484   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3485   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3486     return;
3487   page_scale_factor_is_one_ = page_scale_factor_is_one;
3488   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3489                                                    page_scale_factor_is_one_));
3490 }
3491
3492 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3493   return ZoomLevelToZoomFactor(zoom_level);
3494 }
3495
3496 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3497   return ZoomFactorToZoomLevel(factor);
3498 }
3499
3500 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3501   blink::WebPageVisibilityState current_state = is_hidden() ?
3502       blink::WebPageVisibilityStateHidden :
3503       blink::WebPageVisibilityStateVisible;
3504   blink::WebPageVisibilityState override_state = current_state;
3505   // TODO(jam): move this method to WebFrameClient.
3506   if (GetContentClient()->renderer()->
3507           ShouldOverridePageVisibilityState(main_render_frame_,
3508                                             &override_state))
3509     return override_state;
3510   return current_state;
3511 }
3512
3513 void RenderViewImpl::draggableRegionsChanged() {
3514   FOR_EACH_OBSERVER(
3515       RenderViewObserver,
3516       observers_,
3517       DraggableRegionsChanged(webview()->mainFrame()));
3518 }
3519
3520 #if defined(OS_ANDROID)
3521 WebContentDetectionResult RenderViewImpl::detectContentAround(
3522     const WebHitTestResult& touch_hit) {
3523   DCHECK(touch_hit.node().isTextNode());
3524
3525   // Process the position with all the registered content detectors until
3526   // a match is found. Priority is provided by their relative order.
3527   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3528       it != content_detectors_.end(); ++it) {
3529     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3530     if (content.valid) {
3531       return WebContentDetectionResult(content.content_boundaries,
3532           base::UTF8ToUTF16(content.text), content.intent_url);
3533     }
3534   }
3535   return WebContentDetectionResult();
3536 }
3537
3538 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3539   // Introduce a short delay so that the user can notice the content.
3540   base::MessageLoop::current()->PostDelayedTask(
3541       FROM_HERE,
3542       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3543                  AsWeakPtr(),
3544                  intent,
3545                  expected_content_intent_id_),
3546       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3547 }
3548
3549 void RenderViewImpl::cancelScheduledContentIntents() {
3550   ++expected_content_intent_id_;
3551 }
3552
3553 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3554                                                 size_t request_id) {
3555   if (request_id != expected_content_intent_id_)
3556     return;
3557
3558   // Remove the content highlighting if any.
3559   ScheduleComposite();
3560
3561   if (!intent.is_empty())
3562     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3563 }
3564
3565 bool RenderViewImpl::openDateTimeChooser(
3566     const blink::WebDateTimeChooserParams& params,
3567     blink::WebDateTimeChooserCompletion* completion) {
3568   // JavaScript may try to open a date time chooser while one is already open.
3569   if (date_time_picker_client_)
3570     return false;
3571   date_time_picker_client_.reset(
3572       new RendererDateTimePicker(this, params, completion));
3573   return date_time_picker_client_->Open();
3574 }
3575
3576 void RenderViewImpl::DismissDateTimeDialog() {
3577   DCHECK(date_time_picker_client_);
3578   date_time_picker_client_.reset(NULL);
3579 }
3580
3581 #endif  // defined(OS_ANDROID)
3582
3583 void RenderViewImpl::OnShowContextMenu(
3584     ui::MenuSourceType source_type, const gfx::Point& location) {
3585   context_menu_source_type_ = source_type;
3586   has_host_context_menu_location_ = true;
3587   host_context_menu_location_ = location;
3588   if (webview())
3589     webview()->showContextMenu();
3590   has_host_context_menu_location_ = false;
3591 }
3592
3593 void RenderViewImpl::OnEnableViewSourceMode() {
3594   if (!webview())
3595     return;
3596   WebFrame* main_frame = webview()->mainFrame();
3597   if (!main_frame)
3598     return;
3599   main_frame->enableViewSourceMode(true);
3600 }
3601
3602 #if defined(OS_ANDROID) || defined(USE_AURA)
3603 bool RenderViewImpl::didTapMultipleTargets(
3604     const WebSize& inner_viewport_offset,
3605     const WebRect& touch_rect,
3606     const WebVector<WebRect>& target_rects) {
3607   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3608
3609   // Never show a disambiguation popup when accessibility is enabled,
3610   // as this interferes with "touch exploration".
3611   AccessibilityMode accessibility_mode =
3612       GetMainRenderFrame()->accessibility_mode();
3613   bool matches_accessibility_mode_complete =
3614       (accessibility_mode & AccessibilityModeComplete) ==
3615           AccessibilityModeComplete;
3616   if (matches_accessibility_mode_complete)
3617     return false;
3618
3619   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3620   // reference frame.
3621   gfx::Rect zoom_rect;
3622   float new_total_scale =
3623       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3624           touch_rect, target_rects, GetSize(),
3625           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3626           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3627   if (!new_total_scale || zoom_rect.IsEmpty())
3628     return false;
3629
3630   bool handled = false;
3631   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3632     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3633       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3634       break;
3635     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3636       gfx::Size canvas_size =
3637           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3638       cc::SharedBitmapManager* manager =
3639           RenderThreadImpl::current()->shared_bitmap_manager();
3640       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3641           manager->AllocateSharedBitmap(canvas_size);
3642       CHECK(!!shared_bitmap);
3643       {
3644         SkBitmap bitmap;
3645         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3646                                                       canvas_size.height());
3647         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3648         SkCanvas canvas(bitmap);
3649
3650         // TODO(trchen): Cleanup the device scale factor mess.
3651         // device scale will be applied in WebKit
3652         // --> zoom_rect doesn't include device scale,
3653         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3654         canvas.scale(new_total_scale / device_scale_factor_,
3655                      new_total_scale / device_scale_factor_);
3656         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3657                          -zoom_rect.y() * device_scale_factor_);
3658
3659         DCHECK(webwidget_->isAcceleratedCompositingActive());
3660         // TODO(aelias): The disambiguation popup should be composited so we
3661         // don't have to call this method.
3662         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3663       }
3664
3665       gfx::Rect zoom_rect_in_screen =
3666           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3667                                     inner_viewport_offset.height);
3668
3669       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3670           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3671
3672       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3673                                                    physical_window_zoom_rect,
3674                                                    canvas_size,
3675                                                    shared_bitmap->id()));
3676       cc::SharedBitmapId id = shared_bitmap->id();
3677       disambiguation_bitmaps_[id] = shared_bitmap.release();
3678       handled = true;
3679       break;
3680     }
3681     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3682       // No-op.
3683       break;
3684   }
3685
3686   return handled;
3687 }
3688 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3689
3690 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3691   return history_list_length_;
3692 }
3693
3694 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3695   if (enable) {
3696     if (has_focus())
3697       return;
3698     OnSetActive(true);
3699     OnSetFocus(true);
3700   } else {
3701     if (!has_focus())
3702       return;
3703     OnSetFocus(false);
3704     OnSetActive(false);
3705   }
3706 }
3707
3708 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3709   ViewMsg_Resize_Params params;
3710   params.screen_info = screen_info_;
3711   params.screen_info.deviceScaleFactor = factor;
3712   params.new_size = size();
3713   params.visible_viewport_size = visible_viewport_size_;
3714   params.physical_backing_size =
3715       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3716   params.top_controls_shrink_blink_size = false;
3717   params.top_controls_height = 0.f;
3718   params.resizer_rect = WebRect();
3719   params.is_fullscreen_granted = is_fullscreen_granted();
3720   params.display_mode = display_mode_;
3721   OnResize(params);
3722 }
3723
3724 void RenderViewImpl::SetDeviceColorProfileForTesting(
3725     const std::vector<char>& color_profile) {
3726   SetDeviceColorProfile(color_profile);
3727 }
3728
3729 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3730   gfx::Rect new_window_rect(rootWindowRect().x,
3731                             rootWindowRect().y,
3732                             new_size.width(),
3733                             new_size.height());
3734   SetWindowRectSynchronously(new_window_rect);
3735 }
3736
3737 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3738   resizing_mode_selector_->set_is_synchronous_mode(enable);
3739 }
3740
3741 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3742                                                 const gfx::Size& max_size) {
3743   OnEnableAutoResize(min_size, max_size);
3744 }
3745
3746 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3747   OnDisableAutoResize(new_size);
3748 }
3749
3750 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3751     const cc::SharedBitmapId& id) {
3752   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3753   DCHECK(it != disambiguation_bitmaps_.end());
3754   delete it->second;
3755   disambiguation_bitmaps_.erase(it);
3756 }
3757
3758 void RenderViewImpl::DidCommitCompositorFrame() {
3759   RenderWidget::DidCommitCompositorFrame();
3760   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3761 }
3762
3763 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3764   if (!urls.empty())
3765     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3766 }
3767
3768 void RenderViewImpl::DidStopLoadingIcons() {
3769   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3770       WebIconURL::TypeTouch;
3771
3772   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3773   // just return early.
3774   if (webview()->mainFrame()->isWebRemoteFrame())
3775     return;
3776
3777   WebVector<WebIconURL> icon_urls =
3778       webview()->mainFrame()->iconURLs(icon_types);
3779
3780   std::vector<FaviconURL> urls;
3781   for (size_t i = 0; i < icon_urls.size(); i++) {
3782     WebURL url = icon_urls[i].iconURL();
3783     std::vector<gfx::Size> sizes;
3784     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3785     if (!url.isEmpty())
3786       urls.push_back(
3787           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3788   }
3789   SendUpdateFaviconURL(urls);
3790 }
3791
3792 }  // namespace content