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 // Looks up and returns the WebFrame corresponding to a given opener frame
 618 // routing ID.  Also stores the opener's RenderView routing ID into
 619 // |opener_view_routing_id|.
 620 WebFrame* ResolveOpener(int opener_frame_routing_id,
 621                         int* opener_view_routing_id) {
 622   *opener_view_routing_id = MSG_ROUTING_NONE;
 623   if (opener_frame_routing_id == MSG_ROUTING_NONE)
 624     return nullptr;
 625
 626   // Opener routing ID could refer to either a RenderFrameProxy or a
 627   // RenderFrame, so need to check both.
 628   RenderFrameProxy* opener_proxy =
 629       RenderFrameProxy::FromRoutingID(opener_frame_routing_id);
 630   if (opener_proxy) {
 631     *opener_view_routing_id = opener_proxy->render_view()->GetRoutingID();
 632
 633     // TODO(nasko,alexmos): This check won't be needed once swapped-out:// is
 634     // gone.
 635     if (opener_proxy->IsMainFrameDetachedFromTree()) {
 636       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 637       return opener_proxy->render_view()->webview()->mainFrame();
 638     } else {
 639       return opener_proxy->web_frame();
 640     }
 641   }
 642
 643   RenderFrameImpl* opener_frame =
 644       RenderFrameImpl::FromRoutingID(opener_frame_routing_id);
 645   if (opener_frame) {
 646     *opener_view_routing_id = opener_frame->render_view()->GetRoutingID();
 647     return opener_frame->GetWebFrame();
 648   }
 649
 650   return nullptr;
 651 }
 652
 653 }  // namespace
 654
 655 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 656                                const ViewMsg_New_Params& params)
 657     : RenderWidget(compositor_deps,
 658                    blink::WebPopupTypeNone,
 659                    params.initial_size.screen_info,
 660                    params.swapped_out,
 661                    params.hidden,
 662                    params.never_visible),
 663       webkit_preferences_(params.web_preferences),
 664       send_content_state_immediately_(false),
 665       enabled_bindings_(0),
 666       send_preferred_size_changes_(false),
 667       navigation_gesture_(NavigationGestureUnknown),
 668       opened_by_user_gesture_(true),
 669       opener_suppressed_(false),
 670       suppress_dialogs_until_swap_out_(false),
 671       page_id_(-1),
 672       next_page_id_(params.next_page_id),
 673       history_list_offset_(-1),
 674       history_list_length_(0),
 675       frames_in_progress_(0),
 676       target_url_status_(TARGET_NONE),
 677       uses_temporary_zoom_level_(false),
 678 #if defined(OS_ANDROID)
 679       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 680 #endif
 681       has_scrolled_focused_editable_node_into_rect_(false),
 682       main_render_frame_(nullptr),
 683       speech_recognition_dispatcher_(NULL),
 684       mouse_lock_dispatcher_(NULL),
 685 #if defined(OS_ANDROID)
 686       expected_content_intent_id_(0),
 687 #endif
 688 #if defined(OS_WIN)
 689       focused_plugin_id_(-1),
 690 #endif
 691 #if defined(ENABLE_PLUGINS)
 692       plugin_find_handler_(NULL),
 693       focused_pepper_plugin_(NULL),
 694       pepper_last_mouse_event_target_(NULL),
 695 #endif
 696       enumeration_completion_id_(0),
 697       session_storage_namespace_id_(params.session_storage_namespace_id),
 698       page_scale_factor_is_one_(true) {
 699 }
 700
 701 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 702                                 bool was_created_by_renderer) {
 703   routing_id_ = params.view_id;
 704   surface_id_ = params.surface_id;
 705
 706   int opener_view_routing_id;
 707   WebFrame* opener_frame =
 708       ResolveOpener(params.opener_frame_route_id, &opener_view_routing_id);
 709   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
 710     opener_id_ = opener_view_routing_id;
 711
 712   display_mode_= params.initial_size.display_mode;
 713
 714   // Ensure we start with a valid next_page_id_ from the browser.
 715   DCHECK_GE(next_page_id_, 0);
 716
 717   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
 718     main_render_frame_ = RenderFrameImpl::Create(
 719         this, params.main_frame_routing_id);
 720     // The main frame WebLocalFrame object is closed by
 721     // RenderFrameImpl::frameDetached().
 722     WebLocalFrame* web_frame = WebLocalFrame::create(
 723         blink::WebTreeScopeType::Document, main_render_frame_);
 724     main_render_frame_->SetWebFrame(web_frame);
 725   }
 726
 727   webwidget_ = WebView::create(this);
 728   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 729
 730   g_view_map.Get().insert(std::make_pair(webview(), this));
 731   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 732
 733   const base::CommandLine& command_line =
 734       *base::CommandLine::ForCurrentProcess();
 735
 736   if (command_line.HasSwitch(switches::kStatsCollectionController))
 737     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 738
 739   RenderFrameProxy* proxy = NULL;
 740   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 741     CHECK(params.swapped_out);
 742     if (main_render_frame_) {
 743       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 744           main_render_frame_, params.proxy_routing_id,
 745           blink::WebTreeScopeType::Document);
 746       main_render_frame_->set_render_frame_proxy(proxy);
 747     } else {
 748       proxy = RenderFrameProxy::CreateFrameProxy(
 749           params.proxy_routing_id,
 750           MSG_ROUTING_NONE,
 751           routing_id_,
 752           params.replicated_frame_state);
 753     }
 754   }
 755
 756   // When not using swapped out state, just use the WebRemoteFrame as the main
 757   // frame.
 758   if (proxy && SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 759     webview()->setMainFrame(proxy->web_frame());
 760     // Initialize the WebRemoteFrame with information replicated from the
 761     // browser process.
 762     proxy->SetReplicatedState(params.replicated_frame_state);
 763   } else {
 764     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 765   }
 766   if (main_render_frame_)
 767     main_render_frame_->Initialize();
 768
 769 #if defined(OS_ANDROID)
 770   content_detectors_.push_back(linked_ptr<ContentDetector>(
 771       new AddressDetector()));
 772   const std::string& contry_iso =
 773       params.renderer_preferences.network_contry_iso;
 774   if (!contry_iso.empty()) {
 775     content_detectors_.push_back(linked_ptr<ContentDetector>(
 776         new PhoneNumberDetector(contry_iso)));
 777   }
 778   content_detectors_.push_back(linked_ptr<ContentDetector>(
 779       new EmailDetector()));
 780 #endif
 781
 782   RenderThread::Get()->AddRoute(routing_id_, this);
 783   // Take a reference on behalf of the RenderThread.  This will be balanced
 784   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 785   // inherits from).
 786   AddRef();
 787   if (RenderThreadImpl::current()) {
 788     RenderThreadImpl::current()->WidgetCreated();
 789     if (is_hidden_)
 790       RenderThreadImpl::current()->WidgetHidden();
 791   }
 792
 793   // If this is a popup, we must wait for the CreatingNew_ACK message before
 794   // completing initialization.  Otherwise, we can finish it now.
 795   if (opener_id_ == MSG_ROUTING_NONE) {
 796     did_show_ = true;
 797     CompleteInit();
 798   }
 799
 800   webview()->setDeviceScaleFactor(device_scale_factor_);
 801   webview()->setDisplayMode(display_mode_);
 802   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 803       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 804   webview()->settings()->setThreadedScrollingEnabled(
 805       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 806   webview()->settings()->setRootLayerScrolls(
 807       command_line.HasSwitch(switches::kRootLayerScrolls));
 808
 809   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
 810
 811   if (switches::IsTouchDragDropEnabled())
 812     webview()->settings()->setTouchDragDropEnabled(true);
 813
 814   if (switches::IsTouchEditingEnabled())
 815     webview()->settings()->setTouchEditingEnabled(true);
 816
 817   WebSettings::SelectionStrategyType selection_strategy =
 818       WebSettings::SelectionStrategyType::Character;
 819   const std::string selection_strategy_str =
 820       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 821           switches::kTouchTextSelectionStrategy);
 822   if (selection_strategy_str == "direction")
 823     selection_strategy = WebSettings::SelectionStrategyType::Direction;
 824   webview()->settings()->setSelectionStrategy(selection_strategy);
 825
 826   // Set the main frame's name.  Only needs to be done for WebLocalFrames,
 827   // since the remote case was handled as part of SetReplicatedState on the
 828   // proxy above.
 829   if (!params.replicated_frame_state.name.empty() &&
 830       webview()->mainFrame()->isWebLocalFrame()) {
 831     webview()->mainFrame()->setName(
 832         blink::WebString::fromUTF8(params.replicated_frame_state.name));
 833   }
 834
 835   // TODO(davidben): Move this state from Blink into content.
 836   if (params.window_was_created_with_opener)
 837     webview()->setOpenedByDOM();
 838
 839   OnSetRendererPrefs(params.renderer_preferences);
 840
 841   ApplyBlinkSettings(command_line, webview()->settings());
 842
 843   if (!params.enable_auto_resize) {
 844     OnResize(params.initial_size);
 845   } else {
 846     OnEnableAutoResize(params.min_size, params.max_size);
 847   }
 848
 849   new MHTMLGenerator(this);
 850 #if defined(OS_MACOSX)
 851   new TextInputClientObserver(this);
 852 #endif  // defined(OS_MACOSX)
 853
 854   // The next group of objects all implement RenderViewObserver, so are deleted
 855   // along with the RenderView automatically.
 856   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 857
 858   history_controller_.reset(new HistoryController(this));
 859
 860   new IdleUserDetector(this);
 861
 862   if (command_line.HasSwitch(switches::kDomAutomationController))
 863     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 864   if (command_line.HasSwitch(switches::kStatsCollectionController))
 865     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 866
 867   GetContentClient()->renderer()->RenderViewCreated(this);
 868
 869   // If we have an opener_frame but we weren't created by a renderer, then it's
 870   // the browser asking us to set our opener to another frame.
 871   if (opener_frame && !was_created_by_renderer)
 872     webview()->mainFrame()->setOpener(opener_frame);
 873
 874   // If we are initially swapped out, navigate to kSwappedOutURL.
 875   // This ensures we are in a unique origin that others cannot script.
 876   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 877     main_render_frame_->NavigateToSwappedOutURL();
 878 }
 879
 880 RenderViewImpl::~RenderViewImpl() {
 881   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 882        it != disambiguation_bitmaps_.end();
 883        ++it)
 884     delete it->second;
 885
 886   // If file chooser is still waiting for answer, dispatch empty answer.
 887   while (!file_chooser_completions_.empty()) {
 888     if (file_chooser_completions_.front()->completion) {
 889       file_chooser_completions_.front()->completion->didChooseFile(
 890           WebVector<WebString>());
 891     }
 892     file_chooser_completions_.pop_front();
 893   }
 894
 895 #if defined(OS_ANDROID)
 896   // The date/time picker client is both a scoped_ptr member of this class and
 897   // a RenderViewObserver. Reset it to prevent double deletion.
 898   date_time_picker_client_.reset();
 899 #endif
 900
 901 #ifndef NDEBUG
 902   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 903   ViewMap* views = g_view_map.Pointer();
 904   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 905     DCHECK_NE(this, it->second) << "Failed to call Close?";
 906   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 907   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 908        it != routing_id_views->end(); ++it)
 909     DCHECK_NE(this, it->second) << "Failed to call Close?";
 910 #endif
 911
 912   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 913   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 914 }
 915
 916 /*static*/
 917 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 918   ViewMap* views = g_view_map.Pointer();
 919   ViewMap::iterator it = views->find(webview);
 920   return it == views->end() ? NULL : it->second;
 921 }
 922
 923 /*static*/
 924 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 925   return RenderViewImpl::FromWebView(webview);
 926 }
 927
 928 /*static*/
 929 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 930   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 931   RoutingIDViewMap::iterator it = views->find(routing_id);
 932   return it == views->end() ? NULL : it->second;
 933 }
 934
 935 /*static*/
 936 RenderView* RenderView::FromRoutingID(int routing_id) {
 937   return RenderViewImpl::FromRoutingID(routing_id);
 938 }
 939
 940 /* static */
 941 size_t RenderView::GetRenderViewCount() {
 942   return g_view_map.Get().size();
 943 }
 944
 945 /*static*/
 946 void RenderView::ForEach(RenderViewVisitor* visitor) {
 947   ViewMap* views = g_view_map.Pointer();
 948   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 949     if (!visitor->Visit(it->second))
 950       return;
 951   }
 952 }
 953
 954 /*static*/
 955 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 956                                      WebView* web_view) {
 957   WebSettings* settings = web_view->settings();
 958   ApplyFontsFromMap(prefs.standard_font_family_map,
 959                     SetStandardFontFamilyWrapper, settings);
 960   ApplyFontsFromMap(prefs.fixed_font_family_map,
 961                     SetFixedFontFamilyWrapper, settings);
 962   ApplyFontsFromMap(prefs.serif_font_family_map,
 963                     SetSerifFontFamilyWrapper, settings);
 964   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 965                     SetSansSerifFontFamilyWrapper, settings);
 966   ApplyFontsFromMap(prefs.cursive_font_family_map,
 967                     SetCursiveFontFamilyWrapper, settings);
 968   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 969                     SetFantasyFontFamilyWrapper, settings);
 970   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 971                     SetPictographFontFamilyWrapper, settings);
 972   settings->setDefaultFontSize(prefs.default_font_size);
 973   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 974   settings->setMinimumFontSize(prefs.minimum_font_size);
 975   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 976   settings->setDefaultTextEncodingName(
 977       base::ASCIIToUTF16(prefs.default_encoding));
 978   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 979   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 980   settings->setJavaScriptCanOpenWindowsAutomatically(
 981       prefs.javascript_can_open_windows_automatically);
 982   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 983   settings->setImagesEnabled(prefs.images_enabled);
 984   settings->setPluginsEnabled(prefs.plugins_enabled);
 985   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 986   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 987   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 988   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 989   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 990   settings->setJavaScriptCanAccessClipboard(
 991       prefs.javascript_can_access_clipboard);
 992   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 993   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 994   WebRuntimeFeatures::enableSlimmingPaintV2(prefs.slimming_paint_v2_enabled);
 995   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 996   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 997   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 998   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 999   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
1000   settings->setOfflineWebApplicationCacheEnabled(
1001       prefs.application_cache_enabled);
1002   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
1003   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
1004   settings->setCookieEnabled(prefs.cookie_enabled);
1005   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
1006
1007   settings->setJavaEnabled(prefs.java_enabled);
1008
1009   // By default, allow_universal_access_from_file_urls is set to false and thus
1010   // we mitigate attacks from local HTML files by not granting file:// URLs
1011   // universal access. Only test shell will enable this.
1012   settings->setAllowUniversalAccessFromFileURLs(
1013       prefs.allow_universal_access_from_file_urls);
1014   settings->setAllowFileAccessFromFileURLs(
1015       prefs.allow_file_access_from_file_urls);
1016
1017   // Enable the web audio API if requested on the command line.
1018   settings->setWebAudioEnabled(prefs.webaudio_enabled);
1019
1020   // Enable experimental WebGL support if requested on command line
1021   // and support is compiled in.
1022   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
1023
1024   // Disable GL multisampling if requested on command line.
1025   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
1026
1027   // Enable WebGL errors to the JS console if requested.
1028   settings->setWebGLErrorsToConsoleEnabled(
1029       prefs.webgl_errors_to_console_enabled);
1030
1031   // Uses the mock theme engine for scrollbars.
1032   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
1033
1034   // Enable gpu-accelerated 2d canvas if requested on the command line.
1035   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
1036
1037   settings->setMinimumAccelerated2dCanvasSize(
1038       prefs.minimum_accelerated_2d_canvas_size);
1039
1040   // Disable antialiasing for 2d canvas if requested on the command line.
1041   settings->setAntialiased2dCanvasEnabled(
1042       !prefs.antialiased_2d_canvas_disabled);
1043
1044   // Enabled antialiasing of clips for 2d canvas if requested on the command
1045   // line.
1046   settings->setAntialiasedClips2dCanvasEnabled(
1047       prefs.antialiased_clips_2d_canvas_enabled);
1048
1049   // Set MSAA sample count for 2d canvas if requested on the command line (or
1050   // default value if not).
1051   settings->setAccelerated2dCanvasMSAASampleCount(
1052       prefs.accelerated_2d_canvas_msaa_sample_count);
1053
1054   settings->setAsynchronousSpellCheckingEnabled(
1055       prefs.asynchronous_spell_checking_enabled);
1056   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1057
1058   // Tabs to link is not part of the settings. WebCore calls
1059   // ChromeClient::tabsToLinks which is part of the glue code.
1060   web_view->setTabsToLinks(prefs.tabs_to_links);
1061
1062   settings->setAllowDisplayOfInsecureContent(
1063       prefs.allow_displaying_insecure_content);
1064   settings->setAllowRunningOfInsecureContent(
1065       prefs.allow_running_insecure_content);
1066   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1067   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1068
1069   settings->setStrictlyBlockBlockableMixedContent(
1070       prefs.strictly_block_blockable_mixed_content);
1071
1072   settings->setStrictMixedContentCheckingForPlugin(
1073       prefs.block_mixed_plugin_content);
1074
1075   settings->setStrictPowerfulFeatureRestrictions(
1076       prefs.strict_powerful_feature_restrictions);
1077   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1078   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1079   settings->setShouldClearDocumentBackground(
1080       prefs.should_clear_document_background);
1081   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1082
1083   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1084   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1085   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1086   settings->setPrimaryPointerType(
1087       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1088   settings->setAvailableHoverTypes(prefs.available_hover_types);
1089   settings->setPrimaryHoverType(
1090       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1091   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1092   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1093   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1094   settings->setMultiTargetTapNotificationEnabled(
1095       switches::IsLinkDisambiguationPopupEnabled());
1096
1097   WebRuntimeFeatures::enableImageColorProfiles(
1098       prefs.image_color_profiles_enabled);
1099   settings->setShouldRespectImageOrientation(
1100       prefs.should_respect_image_orientation);
1101
1102   settings->setUnsafePluginPastingEnabled(false);
1103   settings->setEditingBehavior(
1104       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1105
1106   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1107
1108   settings->setInvertViewportScrollOrder(prefs.invert_viewport_scroll_order);
1109   settings->setViewportEnabled(prefs.viewport_enabled);
1110   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1111   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1112   settings->setMainFrameResizesAreOrientationChanges(
1113       prefs.main_frame_resizes_are_orientation_changes);
1114
1115   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1116
1117   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1118
1119   settings->setSelectionIncludesAltImageText(true);
1120
1121   settings->setV8CacheOptions(
1122       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1123
1124   settings->setImageAnimationPolicy(
1125       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1126
1127   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1128   web_view->setDefaultPageScaleLimits(
1129       prefs.default_minimum_page_scale_factor,
1130       prefs.default_maximum_page_scale_factor);
1131
1132 #if defined(OS_ANDROID)
1133   settings->setAllowCustomScrollbarInMainFrame(false);
1134   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1135   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1136   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1137   settings->setFullscreenSupported(prefs.fullscreen_supported);
1138   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1139   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1140   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1141   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1142   settings->setMediaPlaybackRequiresUserGesture(
1143       prefs.user_gesture_required_for_media_playback);
1144   settings->setDefaultVideoPosterURL(
1145         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1146   settings->setSupportDeprecatedTargetDensityDPI(
1147       prefs.support_deprecated_target_density_dpi);
1148   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1149       prefs.use_legacy_background_size_shorthand_behavior);
1150   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1151   settings->setUseWideViewport(prefs.use_wide_viewport);
1152   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1153   settings->setViewportMetaLayoutSizeQuirk(
1154       prefs.viewport_meta_layout_size_quirk);
1155   settings->setViewportMetaMergeContentQuirk(
1156       prefs.viewport_meta_merge_content_quirk);
1157   settings->setViewportMetaNonUserScalableQuirk(
1158       prefs.viewport_meta_non_user_scalable_quirk);
1159   settings->setViewportMetaZeroValuesQuirk(
1160       prefs.viewport_meta_zero_values_quirk);
1161   settings->setClobberUserAgentInitialScaleQuirk(
1162       prefs.clobber_user_agent_initial_scale_quirk);
1163   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1164       prefs.ignore_main_frame_overflow_hidden_quirk);
1165   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1166       prefs.report_screen_size_in_physical_pixels_quirk);
1167   settings->setPreferHiddenVolumeControls(true);
1168
1169   bool record_full_layer =
1170       RenderViewImpl::FromWebView(web_view)
1171           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1172           : false;
1173   settings->setMainFrameClipsContent(!record_full_layer);
1174
1175   settings->setShrinksViewportContentToFit(true);
1176   settings->setUseMobileViewportStyle(true);
1177 #endif
1178
1179   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1180   WebNetworkStateNotifier::setWebConnectionType(
1181       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1182
1183   settings->setPinchOverlayScrollbarThickness(
1184       prefs.pinch_overlay_scrollbar_thickness);
1185   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1186
1187   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1188
1189 #if defined(OS_MACOSX)
1190   settings->setDoubleTapToZoomEnabled(true);
1191   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1192 #endif
1193
1194 #if !defined(OS_ANDROID) && !defined(OS_MACOSX)
1195   // On platforms where the pinch viewport and the layout viewport can
1196   // both show scrollbars, hide pinch scrollbars when we are near minimum
1197   // page scale. (See http://crbug.com/446411 and http://crbug.com/515746.)
1198   settings->setHidePinchScrollbarsNearMinScale(true);
1199 #endif
1200 }
1201
1202 /*static*/
1203 RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
1204                                        const ViewMsg_New_Params& params,
1205                                        bool was_created_by_renderer) {
1206   DCHECK(params.view_id != MSG_ROUTING_NONE);
1207   RenderViewImpl* render_view = NULL;
1208   if (g_create_render_view_impl)
1209     render_view = g_create_render_view_impl(compositor_deps, params);
1210   else
1211     render_view = new RenderViewImpl(compositor_deps, params);
1212
1213   render_view->Initialize(params, was_created_by_renderer);
1214   return render_view;
1215 }
1216
1217 // static
1218 void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
1219     *create_render_view_impl)(CompositorDependencies* compositor_deps,
1220                               const ViewMsg_New_Params&)) {
1221   CHECK(!g_create_render_view_impl);
1222   g_create_render_view_impl = create_render_view_impl;
1223 }
1224
1225 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1226   observers_.AddObserver(observer);
1227 }
1228
1229 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1230   observer->RenderViewGone();
1231   observers_.RemoveObserver(observer);
1232 }
1233
1234 blink::WebView* RenderViewImpl::webview() const {
1235   return static_cast<blink::WebView*>(webwidget());
1236 }
1237
1238 #if defined(ENABLE_PLUGINS)
1239 void RenderViewImpl::PepperInstanceCreated(
1240     PepperPluginInstanceImpl* instance) {
1241   active_pepper_instances_.insert(instance);
1242
1243   RenderFrameImpl* const render_frame = instance->render_frame();
1244   render_frame->Send(
1245       new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
1246 }
1247
1248 void RenderViewImpl::PepperInstanceDeleted(
1249     PepperPluginInstanceImpl* instance) {
1250   active_pepper_instances_.erase(instance);
1251
1252   if (pepper_last_mouse_event_target_ == instance)
1253     pepper_last_mouse_event_target_ = NULL;
1254   if (focused_pepper_plugin_ == instance)
1255     PepperFocusChanged(instance, false);
1256
1257   RenderFrameImpl* const render_frame = instance->render_frame();
1258   if (render_frame)
1259     render_frame->Send(
1260         new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
1261 }
1262
1263 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1264                                         bool focused) {
1265   if (focused)
1266     focused_pepper_plugin_ = instance;
1267   else if (focused_pepper_plugin_ == instance)
1268     focused_pepper_plugin_ = NULL;
1269
1270   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
1271   UpdateSelectionBounds();
1272 }
1273
1274 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1275   plugin_delegates_.insert(delegate);
1276   // If the renderer is visible, set initial visibility and focus state.
1277   if (!is_hidden()) {
1278 #if defined(OS_MACOSX)
1279     delegate->SetContainerVisibility(true);
1280     if (webview() && webview()->isActive())
1281       delegate->SetWindowFocus(true);
1282 #endif
1283   }
1284   // Plugins start assuming the content has focus (so that they work in
1285   // environments where RenderView isn't hosting them), so we always have to
1286   // set the initial state. See webplugin_delegate_impl.h for details.
1287   delegate->SetContentAreaFocus(has_focus());
1288 }
1289
1290 void RenderViewImpl::UnregisterPluginDelegate(
1291     WebPluginDelegateProxy* delegate) {
1292   plugin_delegates_.erase(delegate);
1293 }
1294
1295 #if defined(OS_WIN)
1296 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1297   if (focused)
1298     focused_plugin_id_ = plugin_id;
1299   else
1300     focused_plugin_id_ = -1;
1301 }
1302 #endif
1303
1304 #if defined(OS_MACOSX)
1305 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1306   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1307 }
1308
1309 void RenderViewImpl::OnGetRenderedText() {
1310   if (!webview())
1311     return;
1312   // Get rendered text from WebLocalFrame.
1313   // TODO: Currently IPC truncates any data that has a
1314   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1315   // send back using multiple IPC. See http://crbug.com/393444.
1316   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1317   std::string text = webview()->mainFrame()->contentAsText(
1318       kMaximumMessageSize).utf8();
1319
1320   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1321 }
1322
1323 void RenderViewImpl::StartPluginIme() {
1324   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1325   // This message can be sent during event-handling, and needs to be delivered
1326   // within that context.
1327   msg->set_unblock(true);
1328   Send(msg);
1329 }
1330 #endif  // defined(OS_MACOSX)
1331
1332 #endif  // ENABLE_PLUGINS
1333
1334 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1335     const blink::WebActiveWheelFlingParameters& params) {
1336   if (webview())
1337     webview()->transferActiveWheelFlingAnimation(params);
1338 }
1339
1340 bool RenderViewImpl::HasIMETextFocus() {
1341   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1342 }
1343
1344 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1345   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1346   if (main_frame && main_frame->isWebLocalFrame())
1347     GetContentClient()->SetActiveURL(main_frame->document().url());
1348
1349   base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1350   RenderViewObserver* observer;
1351   while ((observer = it.GetNext()) != NULL)
1352     if (observer->OnMessageReceived(message))
1353       return true;
1354
1355   bool handled = true;
1356   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1357     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1358     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1359     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1360                         OnScrollFocusedEditableNodeIntoRect)
1361     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1362                         OnSetEditCommandsForNextKeyEvent)
1363     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1364     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1365     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1366     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1367     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1368     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1369     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1370                         OnSetZoomLevelForLoadingURL)
1371     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1372                         OnSetZoomLevelForView)
1373     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1374     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1375                         OnResetPageEncodingToDefault)
1376     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1377     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1378     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1379     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1380     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1381     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1382                         OnDragSourceSystemDragEnded)
1383     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1384     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1385     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1386     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1387     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1388                         OnEnumerateDirectoryResponse)
1389     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1390     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1391                         OnSuppressDialogsUntilSwapOut)
1392     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1393     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1394     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1395     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1396     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1397     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1398                         OnEnablePreferredSizeChangedMode)
1399     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1400     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1401     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1402                         OnDisableScrollbarsForSmallWindows)
1403     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1404     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1405     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1406     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1407     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1408                         OnGetAllSavableResourceLinksForCurrentPage)
1409     IPC_MESSAGE_HANDLER(
1410         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1411         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1412     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1413     // TODO(viettrungluu): Move to a separate message filter.
1414     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1415                         OnSetHistoryOffsetAndLength)
1416     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1417     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1418                         OnReleaseDisambiguationPopupBitmap)
1419     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1420     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1421 #if defined(OS_ANDROID)
1422     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1423                         OnActivateNearestFindResult)
1424     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1425     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1426                         OnUpdateTopControlsState)
1427     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1428 #elif defined(OS_MACOSX)
1429     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1430                         OnGetRenderedText)
1431     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1432                         OnPluginImeCompositionCompleted)
1433     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1434     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1435     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1436     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1437 #endif
1438     // Adding a new message? Add platform independent ones first, then put the
1439     // platform specific ones at the end.
1440
1441     // Have the super handle all other messages.
1442     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1443   IPC_END_MESSAGE_MAP()
1444
1445   return handled;
1446 }
1447
1448 void RenderViewImpl::OnSelectWordAroundCaret() {
1449   if (!webview())
1450     return;
1451
1452   handling_input_event_ = true;
1453   webview()->focusedFrame()->selectWordAroundCaret();
1454   handling_input_event_ = false;
1455 }
1456
1457 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1458   webview()->copyImageAt(WebPoint(x, y));
1459 }
1460
1461 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1462   webview()->saveImageAt(WebPoint(x, y));
1463 }
1464
1465 void RenderViewImpl::OnUpdateTargetURLAck() {
1466   // Check if there is a targeturl waiting to be sent.
1467   if (target_url_status_ == TARGET_PENDING)
1468     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1469
1470   target_url_status_ = TARGET_NONE;
1471 }
1472
1473 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1474     const std::string& value) {
1475   if (!webview() || !webview()->focusedFrame())
1476     return;
1477
1478   webview()->focusedFrame()->executeCommand(
1479       WebString::fromUTF8(name), WebString::fromUTF8(value));
1480 }
1481
1482 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1483   if (!webview())
1484     return;
1485
1486   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1487
1488   webview()->focusedFrame()->moveCaretSelection(point);
1489 }
1490
1491 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1492     const gfx::Rect& rect) {
1493   if (has_scrolled_focused_editable_node_into_rect_ &&
1494       rect == rect_for_scrolled_focused_editable_node_) {
1495     FocusChangeComplete();
1496     return;
1497   }
1498
1499   blink::WebElement element = GetFocusedElement();
1500   bool will_animate = false;
1501   if (!element.isNull() && IsEditableNode(element)) {
1502     rect_for_scrolled_focused_editable_node_ = rect;
1503     has_scrolled_focused_editable_node_into_rect_ = true;
1504     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1505   }
1506
1507   if (!will_animate)
1508     FocusChangeComplete();
1509 }
1510
1511 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1512     const EditCommands& edit_commands) {
1513   edit_commands_ = edit_commands;
1514 }
1515
1516 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1517                                                  int history_length) {
1518   DCHECK_GE(history_offset, -1);
1519   DCHECK_GE(history_length, 0);
1520
1521   history_list_offset_ = history_offset;
1522   history_list_length_ = history_length;
1523 }
1524
1525 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1526   if (!webview())
1527     return;
1528   webview()->setInitialFocus(reverse);
1529 }
1530
1531 #if defined(OS_MACOSX)
1532 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1533   if (!webview())
1534     return;
1535   if (in_live_resize)
1536     webview()->willStartLiveResize();
1537   else
1538     webview()->willEndLiveResize();
1539 }
1540 #endif
1541
1542 ///////////////////////////////////////////////////////////////////////////////
1543
1544 void RenderViewImpl::SendUpdateState() {
1545   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1546   if (!entry)
1547     return;
1548
1549   // Don't send state updates for kSwappedOutURL.
1550   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1551     return;
1552
1553   Send(new ViewHostMsg_UpdateState(
1554       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1555 }
1556
1557 void RenderViewImpl::ApplyWebPreferencesInternal(
1558     const WebPreferences& prefs,
1559     blink::WebView* web_view,
1560     CompositorDependencies* compositor_deps) {
1561   ApplyWebPreferences(prefs, web_view);
1562 #if defined(OS_MACOSX) && !defined(OS_IOS)
1563   DCHECK(compositor_deps);
1564   bool is_elastic_overscroll_enabled =
1565       compositor_deps->IsElasticOverscrollEnabled();
1566   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1567 #endif
1568 }
1569
1570 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1571   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1572   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1573   // it is particularly important that we do not call willEnterModalLoop as
1574   // that would defer resource loads for the dialog itself.
1575   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1576     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1577
1578   message->EnableMessagePumping();  // Runs a nested message loop.
1579   return Send(message);
1580 }
1581
1582 void RenderViewImpl::OnForceRedraw(int id) {
1583   ui::LatencyInfo latency_info;
1584   if (id) {
1585     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1586                                   0,
1587                                   id);
1588   }
1589   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1590   if (RenderWidgetCompositor* rwc = compositor()) {
1591     latency_info_swap_promise_monitor =
1592         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1593   }
1594   ScheduleCompositeWithForcedRedraw();
1595 }
1596
1597 // blink::WebViewClient ------------------------------------------------------
1598
1599 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1600                                     const WebURLRequest& request,
1601                                     const WebWindowFeatures& features,
1602                                     const WebString& frame_name,
1603                                     WebNavigationPolicy policy,
1604                                     bool suppress_opener) {
1605   ViewHostMsg_CreateWindow_Params params;
1606   params.opener_id = routing_id_;
1607   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1608   if (GetContentClient()->renderer()->AllowPopup())
1609     params.user_gesture = true;
1610   params.window_container_type = WindowFeaturesToContainerType(features);
1611   params.session_storage_namespace_id = session_storage_namespace_id_;
1612   if (frame_name != "_blank")
1613     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1614   params.opener_render_frame_id =
1615       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1616   params.opener_url = creator->document().url();
1617
1618   // The browser process uses the top frame's URL for a content settings check
1619   // to determine whether the popup is allowed.  If the top frame is remote,
1620   // its URL is not available, so use its replicated origin instead.
1621   //
1622   // TODO(alexmos): This works fine for regular origins but may break path
1623   // matching for file URLs with OOP subframes that open popups.  This should
1624   // be fixed by either moving this lookup to the browser process or removing
1625   // path-based matching for file URLs from content settings.  See
1626   // https://crbug.com/466297.
1627   if (creator->top()->isWebLocalFrame()) {
1628     params.opener_top_level_frame_url = creator->top()->document().url();
1629   } else {
1630     params.opener_top_level_frame_url =
1631         GURL(creator->top()->securityOrigin().toString());
1632   }
1633
1634   GURL security_url(creator->document().securityOrigin().toString());
1635   if (!security_url.is_valid())
1636     security_url = GURL();
1637   params.opener_security_origin = security_url;
1638   params.opener_suppressed = suppress_opener;
1639   params.disposition = NavigationPolicyToDisposition(policy);
1640   if (!request.isNull()) {
1641     params.target_url = request.url();
1642     params.referrer = GetReferrerFromRequest(creator, request);
1643   }
1644   params.features = features;
1645
1646   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1647     params.additional_features.push_back(features.additionalFeatures[i]);
1648
1649   int32 routing_id = MSG_ROUTING_NONE;
1650   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1651   int32 surface_id = 0;
1652   int64 cloned_session_storage_namespace_id = 0;
1653
1654   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1655       params, &routing_id, &main_frame_routing_id, &surface_id,
1656       &cloned_session_storage_namespace_id));
1657   if (routing_id == MSG_ROUTING_NONE)
1658     return NULL;
1659
1660   WebUserGestureIndicator::consumeUserGesture();
1661
1662   // While this view may be a background extension page, it can spawn a visible
1663   // render view. So we just assume that the new one is not another background
1664   // page instead of passing on our own value.
1665   // TODO(vangelis): Can we tell if the new view will be a background page?
1666   bool never_visible = false;
1667
1668   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1669   initial_size.screen_info = screen_info_;
1670
1671   // The initial hidden state for the RenderViewImpl here has to match what the
1672   // browser will eventually decide for the given disposition. Since we have to
1673   // return from this call synchronously, we just have to make our best guess
1674   // and rely on the browser sending a WasHidden / WasShown message if it
1675   // disagrees.
1676   ViewMsg_New_Params view_params;
1677
1678   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1679   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1680   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1681
1682   view_params.window_was_created_with_opener = true;
1683   view_params.renderer_preferences = renderer_preferences_;
1684   view_params.web_preferences = webkit_preferences_;
1685   view_params.view_id = routing_id;
1686   view_params.main_frame_routing_id = main_frame_routing_id;
1687   view_params.surface_id = surface_id;
1688   view_params.session_storage_namespace_id =
1689       cloned_session_storage_namespace_id;
1690   view_params.swapped_out = false;
1691   // WebCore will take care of setting the correct name.
1692   view_params.replicated_frame_state = FrameReplicationState();
1693   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1694   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1695   view_params.never_visible = never_visible;
1696   view_params.next_page_id = 1;
1697   view_params.initial_size = initial_size;
1698   view_params.enable_auto_resize = false;
1699   view_params.min_size = gfx::Size();
1700   view_params.max_size = gfx::Size();
1701
1702   RenderViewImpl* view =
1703       RenderViewImpl::Create(compositor_deps_, view_params, true);
1704   view->opened_by_user_gesture_ = params.user_gesture;
1705
1706   // Record whether the creator frame is trying to suppress the opener field.
1707   view->opener_suppressed_ = params.opener_suppressed;
1708
1709   return view->webview();
1710 }
1711
1712 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1713   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1714                                               popup_type, screen_info_);
1715   if (!widget)
1716     return NULL;
1717   if (screen_metrics_emulator_) {
1718     widget->SetPopupOriginAdjustmentsForEmulation(
1719         screen_metrics_emulator_.get());
1720   }
1721   return widget->webwidget();
1722 }
1723
1724 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1725   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1726   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1727 }
1728
1729 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1730   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1731                     PrintPage(frame, handling_input_event_));
1732 }
1733
1734 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1735   // Note: We should basically send GURL but we use size-limited string instead
1736   // in order to send a larger data url to save a image for <canvas> or <img>.
1737   if (data_url.length() < kMaxLengthOfDataURLString)
1738     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1739 }
1740
1741 bool RenderViewImpl::enumerateChosenDirectory(
1742     const WebString& path,
1743     WebFileChooserCompletion* chooser_completion) {
1744   int id = enumeration_completion_id_++;
1745   enumeration_completions_[id] = chooser_completion;
1746   return Send(new ViewHostMsg_EnumerateDirectory(
1747       routing_id_,
1748       id,
1749       base::FilePath::FromUTF16Unsafe(path)));
1750 }
1751
1752 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1753   DCHECK_GE(frames_in_progress_, 0);
1754   if (frames_in_progress_ == 0)
1755     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1756   frames_in_progress_++;
1757 }
1758
1759 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1760   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1761   // calls DidStopLoading() without a matching DidStartLoading().
1762   if (frames_in_progress_ == 0)
1763     return;
1764   frames_in_progress_--;
1765   if (frames_in_progress_ == 0) {
1766     DidStopLoadingIcons();
1767     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1768   }
1769 }
1770
1771 void RenderViewImpl::SetZoomLevel(double zoom_level) {
1772   webview()->setZoomLevel(zoom_level);
1773   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
1774 }
1775
1776 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1777   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1778 }
1779
1780 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1781   if (edit_commands_.empty())
1782     return false;
1783
1784   WebFrame* frame = webview()->focusedFrame();
1785   if (!frame)
1786     return false;
1787
1788   EditCommands::iterator it = edit_commands_.begin();
1789   EditCommands::iterator end = edit_commands_.end();
1790
1791   bool did_execute_command = false;
1792   for (; it != end; ++it) {
1793     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1794     // key (but it's the exception). Once one edit command is not executed, it
1795     // seems safest to not execute the rest.
1796     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1797                                WebString::fromUTF8(it->value),
1798                                GetFocusedElement()))
1799       break;
1800     did_execute_command = true;
1801   }
1802
1803   return did_execute_command;
1804 }
1805
1806 bool RenderViewImpl::runFileChooser(
1807     const blink::WebFileChooserParams& params,
1808     WebFileChooserCompletion* chooser_completion) {
1809   // Do not open the file dialog in a hidden RenderView.
1810   if (is_hidden())
1811     return false;
1812   FileChooserParams ipc_params;
1813   if (params.directory)
1814     ipc_params.mode = FileChooserParams::UploadFolder;
1815   else if (params.multiSelect)
1816     ipc_params.mode = FileChooserParams::OpenMultiple;
1817   else if (params.saveAs)
1818     ipc_params.mode = FileChooserParams::Save;
1819   else
1820     ipc_params.mode = FileChooserParams::Open;
1821   ipc_params.title = params.title;
1822   ipc_params.default_file_name =
1823       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1824   ipc_params.accept_types.reserve(params.acceptTypes.size());
1825   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1826     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1827   ipc_params.need_local_path = params.needLocalPath;
1828 #if defined(OS_ANDROID)
1829   ipc_params.capture = params.useMediaCapture;
1830 #endif
1831
1832   return ScheduleFileChooser(ipc_params, chooser_completion);
1833 }
1834
1835 void RenderViewImpl::SetValidationMessageDirection(
1836     base::string16* wrapped_main_text,
1837     blink::WebTextDirection main_text_hint,
1838     base::string16* wrapped_sub_text,
1839     blink::WebTextDirection sub_text_hint) {
1840   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1841     *wrapped_main_text =
1842         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1843   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1844              !base::i18n::IsRTL()) {
1845     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1846   }
1847
1848   if (!wrapped_sub_text->empty()) {
1849     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1850       *wrapped_sub_text =
1851           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1852     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1853       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1854     }
1855   }
1856 }
1857
1858 void RenderViewImpl::showValidationMessage(
1859     const blink::WebRect& anchor_in_root_view,
1860     const blink::WebString& main_text,
1861     blink::WebTextDirection main_text_hint,
1862     const blink::WebString& sub_text,
1863     blink::WebTextDirection sub_text_hint) {
1864   base::string16 wrapped_main_text = main_text;
1865   base::string16 wrapped_sub_text = sub_text;
1866
1867   SetValidationMessageDirection(
1868       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1869
1870   Send(new ViewHostMsg_ShowValidationMessage(
1871       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1872       wrapped_main_text, wrapped_sub_text));
1873 }
1874
1875 void RenderViewImpl::hideValidationMessage() {
1876   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1877 }
1878
1879 void RenderViewImpl::moveValidationMessage(
1880     const blink::WebRect& anchor_in_root_view) {
1881   Send(new ViewHostMsg_MoveValidationMessage(
1882       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1883 }
1884
1885 void RenderViewImpl::setStatusText(const WebString& text) {
1886 }
1887
1888 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1889                                      const GURL& fallback_url) {
1890   GURL latest_url = url.is_empty() ? fallback_url : url;
1891   if (latest_url == target_url_)
1892     return;
1893
1894   // Tell the browser to display a destination link.
1895   if (target_url_status_ == TARGET_INFLIGHT ||
1896       target_url_status_ == TARGET_PENDING) {
1897     // If we have a request in-flight, save the URL to be sent when we
1898     // receive an ACK to the in-flight request. We can happily overwrite
1899     // any existing pending sends.
1900     pending_target_url_ = latest_url;
1901     target_url_status_ = TARGET_PENDING;
1902   } else {
1903     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1904     // see |ParamTraits<GURL>|.
1905     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1906       latest_url = GURL();
1907     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1908     target_url_ = latest_url;
1909     target_url_status_ = TARGET_INFLIGHT;
1910   }
1911 }
1912
1913 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1914     const gfx::RectF& rect) const {
1915   gfx::RectF window_rect = rect;
1916   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1917   return window_rect;
1918 }
1919
1920 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1921   int delay;
1922   if (send_content_state_immediately_)
1923     delay = 0;
1924   else if (is_hidden())
1925     delay = kDelaySecondsForContentStateSyncHidden;
1926   else
1927     delay = kDelaySecondsForContentStateSync;
1928
1929   if (nav_state_sync_timer_.IsRunning()) {
1930     // The timer is already running. If the delay of the timer maches the amount
1931     // we want to delay by, then return. Otherwise stop the timer so that it
1932     // gets started with the right delay.
1933     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1934       return;
1935     nav_state_sync_timer_.Stop();
1936   }
1937
1938   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1939                               &RenderViewImpl::SendUpdateState);
1940 }
1941
1942 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1943   mouse_over_url_ = GURL(url);
1944   UpdateTargetURL(mouse_over_url_, focus_url_);
1945 }
1946
1947 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1948   focus_url_ = GURL(url);
1949   UpdateTargetURL(focus_url_, mouse_over_url_);
1950 }
1951
1952 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1953                                    const WebDragData& data,
1954                                    WebDragOperationsMask mask,
1955                                    const WebImage& image,
1956                                    const WebPoint& webImageOffset) {
1957   DropData drop_data(DropDataBuilder::Build(data));
1958   drop_data.referrer_policy = frame->document().referrerPolicy();
1959   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1960   Send(new DragHostMsg_StartDragging(routing_id_,
1961                                      drop_data,
1962                                      mask,
1963                                      image.getSkBitmap(),
1964                                      imageOffset,
1965                                      possible_drag_event_info_));
1966 }
1967
1968 bool RenderViewImpl::acceptsLoadDrops() {
1969   return renderer_preferences_.can_accept_load_drops;
1970 }
1971
1972 void RenderViewImpl::focusNext() {
1973   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1974 }
1975
1976 void RenderViewImpl::focusPrevious() {
1977   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1978 }
1979
1980 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1981                                         const WebNode& toNode) {
1982   has_scrolled_focused_editable_node_into_rect_ = false;
1983
1984   gfx::Rect node_bounds;
1985   if (!toNode.isNull() && toNode.isElementNode()) {
1986     WebNode web_node = const_cast<WebNode&>(toNode);
1987     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1988   }
1989   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1990                                           node_bounds));
1991
1992   // TODO(estade): remove.
1993   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1994
1995   RenderFrameImpl* previous_frame = nullptr;
1996   if (!fromNode.isNull())
1997     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1998   RenderFrameImpl* new_frame = nullptr;
1999   if (!toNode.isNull())
2000     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
2001
2002   if (previous_frame && previous_frame != new_frame)
2003     previous_frame->FocusedNodeChanged(WebNode());
2004   if (new_frame)
2005     new_frame->FocusedNodeChanged(toNode);
2006
2007   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
2008   if (main_render_frame_)
2009     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
2010 }
2011
2012 void RenderViewImpl::didUpdateLayout() {
2013   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
2014
2015   // We don't always want to set up a timer, only if we've been put in that
2016   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2017   // message.
2018   if (!send_preferred_size_changes_ || !webview())
2019     return;
2020
2021   if (check_preferred_size_timer_.IsRunning())
2022     return;
2023   check_preferred_size_timer_.Start(FROM_HERE,
2024                                     TimeDelta::FromMilliseconds(0), this,
2025                                     &RenderViewImpl::CheckPreferredSize);
2026 }
2027
2028 void RenderViewImpl::navigateBackForwardSoon(int offset) {
2029   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
2030 }
2031
2032 int RenderViewImpl::historyBackListCount() {
2033   return history_list_offset_ < 0 ? 0 : history_list_offset_;
2034 }
2035
2036 int RenderViewImpl::historyForwardListCount() {
2037   return history_list_length_ - historyBackListCount() - 1;
2038 }
2039
2040 // blink::WebWidgetClient ----------------------------------------------------
2041
2042 void RenderViewImpl::didFocus() {
2043   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
2044   //                 we won't have to test for user gesture anymore and we can
2045   //                 move that code back to render_widget.cc
2046   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2047       !RenderThreadImpl::current()->layout_test_mode()) {
2048     Send(new ViewHostMsg_Focus(routing_id_));
2049   }
2050 }
2051
2052 void RenderViewImpl::didBlur() {
2053   // TODO(jcivelli): see TODO above in didFocus().
2054   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2055       !RenderThreadImpl::current()->layout_test_mode()) {
2056     Send(new ViewHostMsg_Blur(routing_id_));
2057   }
2058 }
2059
2060 // We are supposed to get a single call to Show for a newly created RenderView
2061 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2062 // point to dispatch the ShowView message.
2063 //
2064 // This method provides us with the information about how to display the newly
2065 // created RenderView (i.e., as a blocked popup or as a new tab).
2066 //
2067 void RenderViewImpl::show(WebNavigationPolicy policy) {
2068   if (did_show_) {
2069     // When supports_multiple_windows is disabled, popups are reusing
2070     // the same view. In some scenarios, this makes WebKit to call show() twice.
2071     if (webkit_preferences_.supports_multiple_windows)
2072       NOTREACHED() << "received extraneous Show call";
2073     return;
2074   }
2075   did_show_ = true;
2076
2077   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2078
2079   // NOTE: initial_rect_ may still have its default values at this point, but
2080   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2081   // browser process will impose a default position otherwise.
2082   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2083       NavigationPolicyToDisposition(policy), initial_rect_,
2084       opened_by_user_gesture_));
2085   SetPendingWindowRect(initial_rect_);
2086 }
2087
2088 bool RenderViewImpl::requestPointerLock() {
2089   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2090 }
2091
2092 void RenderViewImpl::requestPointerUnlock() {
2093   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2094 }
2095
2096 bool RenderViewImpl::isPointerLocked() {
2097   return mouse_lock_dispatcher_->IsMouseLockedTo(
2098       webwidget_mouse_lock_target_.get());
2099 }
2100
2101 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2102   FOR_EACH_OBSERVER(
2103       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2104 }
2105
2106 void RenderViewImpl::didHandleGestureEvent(
2107     const WebGestureEvent& event,
2108     bool event_cancelled) {
2109   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2110
2111   if (!event_cancelled) {
2112     FOR_EACH_OBSERVER(
2113         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2114   }
2115
2116   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2117   // crbug/420130.
2118 #if defined(OS_WIN)
2119   if (event.type != blink::WebGestureEvent::GestureTap)
2120     return;
2121
2122   // TODO(estade): hit test the event against focused node to make sure
2123   // the tap actually hit the focused node.
2124   blink::WebTextInputType text_input_type =
2125       GetWebView()->textInputInfo().type;
2126
2127   Send(new ViewHostMsg_FocusedNodeTouched(
2128       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2129 #endif
2130 }
2131
2132 void RenderViewImpl::initializeLayerTreeView() {
2133   RenderWidget::initializeLayerTreeView();
2134   RenderWidgetCompositor* rwc = compositor();
2135   if (!rwc)
2136     return;
2137
2138   bool use_threaded_event_handling = true;
2139 #if defined(OS_MACOSX) && !defined(OS_IOS)
2140   // Disable threaded event handling if content is not handling the elastic
2141   // overscroll effect. This includes the cases where the elastic overscroll
2142   // effect is being handled by Blink (because of command line flags) and older
2143   // operating system versions which do not have an elastic overscroll effect
2144   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2145   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2146 #endif
2147   if (use_threaded_event_handling) {
2148     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2149     // render_thread may be NULL in tests.
2150     InputHandlerManager* input_handler_manager =
2151         render_thread ? render_thread->input_handler_manager() : NULL;
2152     if (input_handler_manager) {
2153       input_handler_manager->AddInputHandler(
2154           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2155     }
2156   }
2157 }
2158
2159 // blink::WebFrameClient -----------------------------------------------------
2160
2161 void RenderViewImpl::Repaint(const gfx::Size& size) {
2162   OnRepaint(size);
2163 }
2164
2165 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2166                                                    const std::string& value) {
2167   EditCommands edit_commands;
2168   edit_commands.push_back(EditCommand(name, value));
2169   OnSetEditCommandsForNextKeyEvent(edit_commands);
2170 }
2171
2172 void RenderViewImpl::ClearEditCommands() {
2173   edit_commands_.clear();
2174 }
2175
2176 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2177   std::string security_info;
2178   if (frame && frame->dataSource())
2179     security_info = frame->dataSource()->response().securityInfo();
2180
2181   SSLStatus result;
2182   CHECK(DeserializeSecurityInfo(security_info, &result));
2183   return result;
2184 }
2185
2186 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2187   return renderer_preferences_.accept_languages;
2188 }
2189
2190 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2191                                    WebIconURL::Type icon_type) {
2192   if (frame->parent())
2193     return;
2194
2195   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2196   std::vector<FaviconURL> urls;
2197   for (size_t i = 0; i < icon_urls.size(); i++) {
2198     std::vector<gfx::Size> sizes;
2199     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2200     urls.push_back(FaviconURL(
2201         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2202   }
2203   SendUpdateFaviconURL(urls);
2204 }
2205
2206 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2207   StartNavStateSyncTimerIfNecessary();
2208 }
2209
2210 void RenderViewImpl::CheckPreferredSize() {
2211   // We don't always want to send the change messages over IPC, only if we've
2212   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2213   // message.
2214   if (!send_preferred_size_changes_ || !webview())
2215     return;
2216
2217   gfx::Size size = webview()->contentsPreferredMinimumSize();
2218   if (size == preferred_size_)
2219     return;
2220
2221   preferred_size_ = size;
2222   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2223                                                       preferred_size_));
2224 }
2225
2226 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2227   StartNavStateSyncTimerIfNecessary();
2228 }
2229
2230 void RenderViewImpl::SendFindReply(int request_id,
2231                                    int match_count,
2232                                    int ordinal,
2233                                    const WebRect& selection_rect,
2234                                    bool final_status_update) {
2235   Send(new ViewHostMsg_Find_Reply(routing_id_,
2236                                   request_id,
2237                                   match_count,
2238                                   selection_rect,
2239                                   ordinal,
2240                                   final_status_update));
2241 }
2242
2243 blink::WebString RenderViewImpl::acceptLanguages() {
2244   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2245 }
2246
2247 // blink::WebPageSerializerClient implementation ------------------------------
2248
2249 void RenderViewImpl::didSerializeDataForFrame(
2250     const WebURL& frame_url,
2251     const WebCString& data,
2252     WebPageSerializerClient::PageSerializationStatus status) {
2253   Send(new ViewHostMsg_SendSerializedHtmlData(
2254     routing_id(),
2255     frame_url,
2256     data.data(),
2257     static_cast<int32>(status)));
2258 }
2259
2260 // RenderView implementation ---------------------------------------------------
2261
2262 bool RenderViewImpl::Send(IPC::Message* message) {
2263   return RenderWidget::Send(message);
2264 }
2265
2266 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2267   return main_render_frame_;
2268 }
2269
2270 int RenderViewImpl::GetRoutingID() const {
2271   return routing_id_;
2272 }
2273
2274 gfx::Size RenderViewImpl::GetSize() const {
2275   return size();
2276 }
2277
2278 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2279   return webkit_preferences_;
2280 }
2281
2282 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2283   OnUpdateWebPreferences(preferences);
2284 }
2285
2286 blink::WebView* RenderViewImpl::GetWebView() {
2287   return webview();
2288 }
2289
2290 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2291   if (node.isNull())
2292     return false;
2293
2294   if (node.isContentEditable())
2295     return true;
2296
2297   if (node.isElementNode()) {
2298     const WebElement& element = node.toConst<WebElement>();
2299     if (element.isTextFormControlElement()) {
2300       if (!(element.hasAttribute("readonly") ||
2301             element.hasAttribute("disabled")))
2302         return true;
2303     }
2304
2305     return base::LowerCaseEqualsASCII(
2306         base::StringPiece16(element.getAttribute("role")), "textbox");
2307   }
2308
2309   return false;
2310 }
2311
2312 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2313   return (!send_preferred_size_changes_ ||
2314           (disable_scrollbars_size_limit_.width() <= width ||
2315            disable_scrollbars_size_limit_.height() <= height));
2316 }
2317
2318 int RenderViewImpl::GetEnabledBindings() const {
2319   return enabled_bindings_;
2320 }
2321
2322 bool RenderViewImpl::GetContentStateImmediately() const {
2323   return send_content_state_immediately_;
2324 }
2325
2326 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2327   return visibilityState();
2328 }
2329
2330 void RenderViewImpl::DidStartLoading() {
2331   main_render_frame_->didStartLoading(true);
2332 }
2333
2334 void RenderViewImpl::DidStopLoading() {
2335   main_render_frame_->didStopLoading();
2336 }
2337
2338 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2339   if (!webview())
2340     return WebElement();
2341   WebFrame* focused_frame = webview()->focusedFrame();
2342   if (focused_frame) {
2343     WebDocument doc = focused_frame->document();
2344     if (!doc.isNull())
2345       return doc.focusedElement();
2346   }
2347
2348   return WebElement();
2349 }
2350
2351 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2352   if (!webview())
2353     return NULL;
2354
2355   WebFrame* main_frame = webview()->mainFrame();
2356   if (main_frame->isWebLocalFrame() &&
2357       main_frame->document().isPluginDocument())
2358     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2359
2360 #if defined(ENABLE_PLUGINS)
2361   if (plugin_find_handler_)
2362     return plugin_find_handler_->container()->plugin();
2363 #endif
2364
2365   return NULL;
2366 }
2367
2368 void RenderViewImpl::OnFind(int request_id,
2369                             const base::string16& search_text,
2370                             const WebFindOptions& options) {
2371   WebFrame* main_frame = webview()->mainFrame();
2372   blink::WebPlugin* plugin = GetWebPluginForFind();
2373   // Check if the plugin still exists in the document.
2374   if (plugin) {
2375     if (options.findNext) {
2376       // Just navigate back/forward.
2377       plugin->selectFindResult(options.forward);
2378     } else {
2379       if (!plugin->startFind(
2380           search_text, options.matchCase, request_id)) {
2381         // Send "no results".
2382         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2383       }
2384     }
2385     return;
2386   }
2387
2388   WebFrame* frame_after_main = main_frame->traverseNext(true);
2389   WebFrame* focused_frame = webview()->focusedFrame();
2390   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2391
2392   bool multi_frame = (frame_after_main != main_frame);
2393
2394   // If we have multiple frames, we don't want to wrap the search within the
2395   // frame, so we check here if we only have main_frame in the chain.
2396   bool wrap_within_frame = !multi_frame;
2397
2398   WebRect selection_rect;
2399   bool result = false;
2400
2401   // If something is selected when we start searching it means we cannot just
2402   // increment the current match ordinal; we need to re-generate it.
2403   WebRange current_selection = focused_frame->selectionRange();
2404
2405   do {
2406     result = search_frame->find(
2407         request_id, search_text, options, wrap_within_frame, &selection_rect);
2408
2409     if (!result) {
2410       // don't leave text selected as you move to the next frame.
2411       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2412                                    GetFocusedElement());
2413
2414       // Find the next frame, but skip the invisible ones.
2415       do {
2416         // What is the next frame to search? (we might be going backwards). Note
2417         // that we specify wrap=true so that search_frame never becomes NULL.
2418         search_frame = options.forward ?
2419             search_frame->traverseNext(true) :
2420             search_frame->traversePrevious(true);
2421       } while (!search_frame->hasVisibleContent() &&
2422                search_frame != focused_frame);
2423
2424       // Make sure selection doesn't affect the search operation in new frame.
2425       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2426                                    GetFocusedElement());
2427
2428       // If we have multiple frames and we have wrapped back around to the
2429       // focused frame, we need to search it once more allowing wrap within
2430       // the frame, otherwise it will report 'no match' if the focused frame has
2431       // reported matches, but no frames after the focused_frame contain a
2432       // match for the search word(s).
2433       if (multi_frame && search_frame == focused_frame) {
2434         result = search_frame->find(
2435             request_id, search_text, options, true,  // Force wrapping.
2436             &selection_rect);
2437       }
2438     }
2439
2440     webview()->setFocusedFrame(search_frame);
2441   } while (!result && search_frame != focused_frame);
2442
2443   if (options.findNext && current_selection.isNull()) {
2444     // Force the main_frame to report the actual count.
2445     main_frame->increaseMatchCount(0, request_id);
2446   } else {
2447     // If nothing is found, set result to "0 of 0", otherwise, set it to
2448     // "-1 of 1" to indicate that we found at least one item, but we don't know
2449     // yet what is active.
2450     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2451     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2452
2453     // If we find no matches then this will be our last status update.
2454     // Otherwise the scoping effort will send more results.
2455     bool final_status_update = !result;
2456
2457     SendFindReply(request_id, match_count, ordinal, selection_rect,
2458                   final_status_update);
2459
2460     // Scoping effort begins, starting with the mainframe.
2461     search_frame = main_frame;
2462
2463     main_frame->resetMatchCount();
2464
2465     do {
2466       // Cancel all old scoping requests before starting a new one.
2467       search_frame->cancelPendingScopingEffort();
2468
2469       // We don't start another scoping effort unless at least one match has
2470       // been found.
2471       if (result) {
2472         // Start new scoping request. If the scoping function determines that it
2473         // needs to scope, it will defer until later.
2474         search_frame->scopeStringMatches(request_id,
2475                                          search_text,
2476                                          options,
2477                                          true);  // reset the tickmarks
2478       }
2479
2480       // Iterate to the next frame. The frame will not necessarily scope, for
2481       // example if it is not visible.
2482       search_frame = search_frame->traverseNext(true);
2483     } while (search_frame != main_frame);
2484   }
2485 }
2486
2487 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2488   WebView* view = webview();
2489   if (!view)
2490     return;
2491
2492   blink::WebPlugin* plugin = GetWebPluginForFind();
2493   if (plugin) {
2494     plugin->stopFind();
2495     return;
2496   }
2497
2498   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2499   if (clear_selection) {
2500     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2501                                          GetFocusedElement());
2502   }
2503
2504   WebFrame* frame = view->mainFrame();
2505   while (frame) {
2506     frame->stopFinding(clear_selection);
2507     frame = frame->traverseNext(false);
2508   }
2509
2510   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2511     WebFrame* focused_frame = view->focusedFrame();
2512     if (focused_frame) {
2513       WebDocument doc = focused_frame->document();
2514       if (!doc.isNull()) {
2515         WebElement element = doc.focusedElement();
2516         if (!element.isNull())
2517           element.simulateClick();
2518       }
2519     }
2520   }
2521 }
2522
2523 #if defined(OS_ANDROID)
2524 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2525                                                  float x, float y) {
2526   if (!webview())
2527       return;
2528
2529   WebFrame* main_frame = webview()->mainFrame();
2530   WebRect selection_rect;
2531   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2532                                                    &selection_rect);
2533   if (ordinal == -1) {
2534     // Something went wrong, so send a no-op reply (force the main_frame to
2535     // report the current match count) in case the host is waiting for a
2536     // response due to rate-limiting).
2537     main_frame->increaseMatchCount(0, request_id);
2538     return;
2539   }
2540
2541   SendFindReply(request_id,
2542                 -1 /* number_of_matches */,
2543                 ordinal,
2544                 selection_rect,
2545                 true /* final_update */);
2546 }
2547
2548 void RenderViewImpl::OnFindMatchRects(int current_version) {
2549   if (!webview())
2550       return;
2551
2552   WebFrame* main_frame = webview()->mainFrame();
2553   std::vector<gfx::RectF> match_rects;
2554
2555   int rects_version = main_frame->findMatchMarkersVersion();
2556   if (current_version != rects_version) {
2557     WebVector<WebFloatRect> web_match_rects;
2558     main_frame->findMatchRects(web_match_rects);
2559     match_rects.reserve(web_match_rects.size());
2560     for (size_t i = 0; i < web_match_rects.size(); ++i)
2561       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2562   }
2563
2564   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2565   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2566                                                rects_version,
2567                                                match_rects,
2568                                                active_rect));
2569 }
2570 #endif
2571
2572 void RenderViewImpl::OnResetPageScale() {
2573   if (!webview())
2574     return;
2575   webview()->setPageScaleFactor(1);
2576 }
2577
2578 void RenderViewImpl::OnZoom(PageZoom zoom) {
2579   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2580     return;
2581
2582   webview()->hidePopups();
2583
2584   double old_zoom_level = webview()->zoomLevel();
2585   double zoom_level;
2586   if (zoom == PAGE_ZOOM_RESET) {
2587     zoom_level = 0;
2588   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2589     // Previous zoom level is a whole number, so just increment/decrement.
2590     zoom_level = old_zoom_level + zoom;
2591   } else {
2592     // Either the user hit the zoom factor limit and thus the zoom level is now
2593     // not a whole number, or a plugin changed it to a custom value.  We want
2594     // to go to the next whole number so that the user can always get back to
2595     // 100% with the keyboard/menu.
2596     if ((old_zoom_level > 1 && zoom > 0) ||
2597         (old_zoom_level < 1 && zoom < 0)) {
2598       zoom_level = static_cast<int>(old_zoom_level + zoom);
2599     } else {
2600       // We're going towards 100%, so first go to the next whole number.
2601       zoom_level = static_cast<int>(old_zoom_level);
2602     }
2603   }
2604   SetZoomLevel(zoom_level);
2605   zoomLevelChanged();
2606 }
2607
2608 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2609                                                  double zoom_level) {
2610 #if !defined(OS_ANDROID)
2611   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2612   // for legacy WebView text scaling emulation. Thus, the code that resets
2613   // the zoom level from this map will be effectively resetting text zoom level.
2614   host_zoom_levels_[url] = zoom_level;
2615 #endif
2616 }
2617
2618 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2619                                            double level) {
2620   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2621
2622   webview()->hidePopups();
2623   SetZoomLevel(level);
2624 }
2625
2626 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2627   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2628 }
2629
2630 void RenderViewImpl::OnResetPageEncodingToDefault() {
2631   WebString no_encoding;
2632   webview()->setPageEncoding(no_encoding);
2633 }
2634
2635 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2636   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2637       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2638     // WebUIExtensionData deletes itself when we're destroyed.
2639     new WebUIExtensionData(this);
2640     // WebUIMojo deletes itself when we're destroyed.
2641     new WebUIMojo(this);
2642   }
2643
2644   enabled_bindings_ |= enabled_bindings_flags;
2645
2646   // Keep track of the total bindings accumulated in this process.
2647   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2648 }
2649
2650 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2651                                            const gfx::Point& client_point,
2652                                            const gfx::Point& screen_point,
2653                                            WebDragOperationsMask ops,
2654                                            int key_modifiers) {
2655   WebDragOperation operation = webview()->dragTargetDragEnter(
2656       DropDataToWebDragData(drop_data),
2657       client_point,
2658       screen_point,
2659       ops,
2660       key_modifiers);
2661
2662   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2663 }
2664
2665 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2666                                           const gfx::Point& screen_point,
2667                                           WebDragOperationsMask ops,
2668                                           int key_modifiers) {
2669   WebDragOperation operation = webview()->dragTargetDragOver(
2670       client_point,
2671       screen_point,
2672       ops,
2673       key_modifiers);
2674
2675   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2676 }
2677
2678 void RenderViewImpl::OnDragTargetDragLeave() {
2679   webview()->dragTargetDragLeave();
2680 }
2681
2682 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2683                                       const gfx::Point& screen_point,
2684                                       int key_modifiers) {
2685   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2686 }
2687
2688 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2689                                        const gfx::Point& screen_point,
2690                                        WebDragOperation op) {
2691   webview()->dragSourceEndedAt(client_point, screen_point, op);
2692 }
2693
2694 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2695   webview()->dragSourceSystemDragEnded();
2696 }
2697
2698 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2699   webkit_preferences_ = prefs;
2700   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2701 }
2702
2703 void RenderViewImpl::OnEnumerateDirectoryResponse(
2704     int id,
2705     const std::vector<base::FilePath>& paths) {
2706   if (!enumeration_completions_[id])
2707     return;
2708
2709   WebVector<WebString> ws_file_names(paths.size());
2710   for (size_t i = 0; i < paths.size(); ++i)
2711     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2712
2713   enumeration_completions_[id]->didChooseFile(ws_file_names);
2714   enumeration_completions_.erase(id);
2715 }
2716
2717 void RenderViewImpl::OnFileChooserResponse(
2718     const std::vector<content::FileChooserFileInfo>& files) {
2719   // This could happen if we navigated to a different page before the user
2720   // closed the chooser.
2721   if (file_chooser_completions_.empty())
2722     return;
2723
2724   // Convert Chrome's SelectedFileInfo list to WebKit's.
2725   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2726       files.size());
2727   for (size_t i = 0; i < files.size(); ++i) {
2728     WebFileChooserCompletion::SelectedFileInfo selected_file;
2729     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2730     selected_file.displayName =
2731         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2732     if (files[i].file_system_url.is_valid()) {
2733       selected_file.fileSystemURL = files[i].file_system_url;
2734       selected_file.length = files[i].length;
2735       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2736       selected_file.isDirectory = files[i].is_directory;
2737     }
2738     selected_files[i] = selected_file;
2739   }
2740
2741   if (file_chooser_completions_.front()->completion)
2742     file_chooser_completions_.front()->completion->didChooseFile(
2743         selected_files);
2744   file_chooser_completions_.pop_front();
2745
2746   // If there are more pending file chooser requests, schedule one now.
2747   if (!file_chooser_completions_.empty()) {
2748     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2749         file_chooser_completions_.front()->params));
2750   }
2751 }
2752
2753 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2754                                         const gfx::Size& max_size) {
2755   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2756   if (!webview())
2757     return;
2758   auto_resize_mode_ = true;
2759   webview()->enableAutoResizeMode(min_size, max_size);
2760 }
2761
2762 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2763   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2764   if (!webview())
2765     return;
2766   auto_resize_mode_ = false;
2767   webview()->disableAutoResizeMode();
2768
2769   if (!new_size.IsEmpty()) {
2770     Resize(new_size,
2771            physical_backing_size_,
2772            top_controls_shrink_blink_size_,
2773            top_controls_height_,
2774            visible_viewport_size_,
2775            resizer_rect_,
2776            is_fullscreen_granted_,
2777            display_mode_,
2778            NO_RESIZE_ACK);
2779   }
2780 }
2781
2782 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2783   if (send_preferred_size_changes_)
2784     return;
2785   send_preferred_size_changes_ = true;
2786
2787   // Start off with an initial preferred size notification (in case
2788   // |didUpdateLayout| was already called).
2789   didUpdateLayout();
2790 }
2791
2792 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2793     const gfx::Size& disable_scrollbar_size_limit) {
2794   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2795 }
2796
2797 void RenderViewImpl::OnSetRendererPrefs(
2798     const RendererPreferences& renderer_prefs) {
2799   double old_zoom_level = renderer_preferences_.default_zoom_level;
2800   std::string old_accept_languages = renderer_preferences_.accept_languages;
2801
2802   renderer_preferences_ = renderer_prefs;
2803
2804   UpdateFontRenderingFromRendererPrefs();
2805   UpdateThemePrefs();
2806
2807 #if defined(USE_DEFAULT_RENDER_THEME)
2808   if (renderer_prefs.use_custom_colors) {
2809     WebColorName name = blink::WebColorWebkitFocusRingColor;
2810     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2811     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2812
2813     if (webview()) {
2814       webview()->setSelectionColors(
2815           renderer_prefs.active_selection_bg_color,
2816           renderer_prefs.active_selection_fg_color,
2817           renderer_prefs.inactive_selection_bg_color,
2818           renderer_prefs.inactive_selection_fg_color);
2819       webview()->themeChanged();
2820     }
2821   }
2822 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2823
2824   // If the zoom level for this page matches the old zoom default, and this
2825   // is not a plugin, update the zoom level to match the new default.
2826   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2827       !webview()->mainFrame()->document().isPluginDocument() &&
2828       !ZoomValuesEqual(old_zoom_level,
2829                        renderer_preferences_.default_zoom_level) &&
2830       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2831     SetZoomLevel(renderer_preferences_.default_zoom_level);
2832     zoomLevelChanged();
2833   }
2834
2835   if (webview() &&
2836       old_accept_languages != renderer_preferences_.accept_languages) {
2837     webview()->acceptLanguagesChanged();
2838   }
2839 }
2840
2841 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2842                                            const WebMediaPlayerAction& action) {
2843   if (webview())
2844     webview()->performMediaPlayerAction(action, location);
2845 }
2846
2847 void RenderViewImpl::OnOrientationChange() {
2848   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2849     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2850 }
2851
2852 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2853                                       const WebPluginAction& action) {
2854   if (webview())
2855     webview()->performPluginAction(action, location);
2856 }
2857
2858 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2859     const GURL& page_url) {
2860   // Prepare list to storage all savable resource links.
2861   std::vector<GURL> resources_list;
2862   std::vector<GURL> referrer_urls_list;
2863   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2864   std::vector<GURL> frames_list;
2865   SavableResourcesResult result(&resources_list,
2866                                 &referrer_urls_list,
2867                                 &referrer_policies_list,
2868                                 &frames_list);
2869
2870   // webkit/ doesn't know about Referrer.
2871   if (!GetAllSavableResourceLinksForCurrentPage(
2872           webview(),
2873           page_url,
2874           &result,
2875           const_cast<const char**>(GetSavableSchemes()))) {
2876     // If something is wrong when collecting all savable resource links,
2877     // send empty list to embedder(browser) to tell it failed.
2878     referrer_urls_list.clear();
2879     referrer_policies_list.clear();
2880     resources_list.clear();
2881     frames_list.clear();
2882   }
2883
2884   std::vector<Referrer> referrers_list;
2885   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2886   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2887     referrers_list.push_back(
2888         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2889   }
2890
2891   // Send result of all savable resource links to embedder.
2892   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2893                                                               resources_list,
2894                                                               referrers_list,
2895                                                               frames_list));
2896 }
2897
2898 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2899     const std::vector<GURL>& links,
2900     const std::vector<base::FilePath>& local_paths,
2901     const base::FilePath& local_directory_name) {
2902
2903   // Convert std::vector of GURLs to WebVector<WebURL>
2904   WebVector<WebURL> weburl_links(links);
2905
2906   // Convert std::vector of base::FilePath to WebVector<WebString>
2907   WebVector<WebString> webstring_paths(local_paths.size());
2908   for (size_t i = 0; i < local_paths.size(); i++)
2909     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2910
2911   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2912                                true,
2913                                this,
2914                                weburl_links,
2915                                webstring_paths,
2916                                local_directory_name.AsUTF16Unsafe());
2917 }
2918
2919 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2920   // Don't show any more dialogs until we finish OnSwapOut.
2921   suppress_dialogs_until_swap_out_ = true;
2922 }
2923
2924 void RenderViewImpl::OnClosePage() {
2925   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2926   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2927   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2928   // in the onunload handler from appearing.  For now, we're bypassing that and
2929   // calling the FrameLoader's CloseURL method directly.  This should be
2930   // revisited to avoid having two ways to close a page.  Having a single way
2931   // to close that can run onunload is also useful for fixing
2932   // http://b/issue?id=753080.
2933   webview()->mainFrame()->dispatchUnloadEvent();
2934
2935   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2936 }
2937
2938 void RenderViewImpl::OnClose() {
2939   if (closing_)
2940     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2941   RenderWidget::OnClose();
2942 }
2943
2944 void RenderViewImpl::OnThemeChanged() {
2945 #if defined(USE_AURA)
2946   // Aura doesn't care if we switch themes.
2947 #elif defined(OS_WIN)
2948   ui::NativeThemeWin::instance()->CloseHandles();
2949   if (webview())
2950     webview()->themeChanged();
2951 #else  // defined(OS_WIN)
2952   // TODO(port): we don't support theming on non-Windows platforms yet
2953   NOTIMPLEMENTED();
2954 #endif
2955 }
2956
2957 void RenderViewImpl::OnMoveOrResizeStarted() {
2958   if (webview())
2959     webview()->hidePopups();
2960 }
2961
2962 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2963   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2964   if (webview()) {
2965     webview()->hidePopups();
2966     if (send_preferred_size_changes_) {
2967       webview()->mainFrame()->setCanHaveScrollbars(
2968           ShouldDisplayScrollbars(params.new_size.width(),
2969                                   params.new_size.height()));
2970     }
2971     if (display_mode_ != params.display_mode) {
2972       display_mode_ = params.display_mode;
2973       webview()->setDisplayMode(display_mode_);
2974     }
2975   }
2976
2977   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2978
2979   RenderWidget::OnResize(params);
2980
2981   if (old_visible_viewport_size != visible_viewport_size_)
2982     has_scrolled_focused_editable_node_into_rect_ = false;
2983 }
2984
2985 void RenderViewImpl::DidInitiatePaint() {
2986 #if defined(ENABLE_PLUGINS)
2987   // Notify all instances that we painted.  The same caveats apply as for
2988   // ViewFlushedPaint regarding instances closing themselves, so we take
2989   // similar precautions.
2990   PepperPluginSet plugins = active_pepper_instances_;
2991   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2992     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2993       (*i)->ViewInitiatedPaint();
2994   }
2995 #endif
2996 }
2997
2998 void RenderViewImpl::DidFlushPaint() {
2999   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
3000   // See crbug.com/112921.
3001   if (!webview())
3002     return;
3003
3004   WebFrame* main_frame = webview()->mainFrame();
3005   for (WebFrame* frame = main_frame; frame;
3006        frame = frame->traverseNext(false)) {
3007     // TODO(nasko): This is a hack for the case in which the top-level
3008     // frame is being rendered in another process. It will not
3009     // behave correctly for out of process iframes.
3010     if (frame->isWebLocalFrame()) {
3011       main_frame = frame;
3012       break;
3013     }
3014   }
3015
3016   // There's nothing to do if there are no local frames in this RenderView's
3017   // frame tree. This can happen if DidFlushPaint is called after the
3018   // RenderView's local main frame is swapped to a remote frame. See
3019   // http://crbug.com/513552.
3020   if (main_frame->isWebRemoteFrame())
3021     return;
3022
3023   // If we have a provisional frame we are between the start and commit stages
3024   // of loading and we don't want to save stats.
3025   if (!main_frame->provisionalDataSource()) {
3026     WebDataSource* ds = main_frame->dataSource();
3027     if (!ds)
3028       return;
3029
3030     DocumentState* document_state = DocumentState::FromDataSource(ds);
3031
3032     // TODO(jar): The following code should all be inside a method, probably in
3033     // NavigatorState.
3034     Time now = Time::Now();
3035     if (document_state->first_paint_time().is_null()) {
3036       document_state->set_first_paint_time(now);
3037     }
3038     if (document_state->first_paint_after_load_time().is_null() &&
3039         !document_state->finish_load_time().is_null()) {
3040       document_state->set_first_paint_after_load_time(now);
3041     }
3042   }
3043 }
3044
3045 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3046   WebFrame* main_frame = webview()->mainFrame();
3047   for (WebFrame* frame = main_frame; frame;
3048        frame = frame->traverseNext(false)) {
3049     // TODO(nasko): This is a hack for the case in which the top-level
3050     // frame is being rendered in another process. It will not
3051     // behave correctly for out of process iframes.
3052     if (frame->isWebLocalFrame()) {
3053       main_frame = frame;
3054       break;
3055     }
3056   }
3057
3058   WebSize scroll_offset = main_frame->scrollOffset();
3059   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3060 }
3061
3062 void RenderViewImpl::OnClearFocusedElement() {
3063   if (webview())
3064     webview()->clearFocusedElement();
3065 }
3066
3067 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3068   if (webview())
3069     webview()->setIsTransparent(!opaque);
3070   if (compositor_)
3071     compositor_->setHasTransparentBackground(!opaque);
3072 }
3073
3074 void RenderViewImpl::OnSetActive(bool active) {
3075   if (webview())
3076     webview()->setIsActive(active);
3077
3078 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3079   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3080   for (plugin_it = plugin_delegates_.begin();
3081        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3082     (*plugin_it)->SetWindowFocus(active);
3083   }
3084 #endif
3085 }
3086
3087 #if defined(OS_MACOSX)
3088 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3089 #if defined(ENABLE_PLUGINS)
3090   // Inform plugins that their container has changed visibility.
3091   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3092   for (plugin_it = plugin_delegates_.begin();
3093        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3094     (*plugin_it)->SetContainerVisibility(visible);
3095   }
3096 #endif
3097 }
3098
3099 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3100                                           const gfx::Rect& view_frame) {
3101 #if defined(ENABLE_PLUGINS)
3102   // Inform plugins that their window's frame has changed.
3103   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3104   for (plugin_it = plugin_delegates_.begin();
3105        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3106     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3107   }
3108 #endif
3109 }
3110
3111 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3112                                                      int plugin_id) {
3113   // WebPluginDelegateProxy is responsible for figuring out if this event
3114   // applies to it or not, so inform all the delegates.
3115   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3116   for (plugin_it = plugin_delegates_.begin();
3117        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3118     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3119   }
3120 }
3121 #endif  // OS_MACOSX
3122
3123 void RenderViewImpl::Close() {
3124   // We need to grab a pointer to the doomed WebView before we destroy it.
3125   WebView* doomed = webview();
3126   RenderWidget::Close();
3127   g_view_map.Get().erase(doomed);
3128   g_routing_id_view_map.Get().erase(routing_id_);
3129   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3130 }
3131
3132 void RenderViewImpl::DidHandleKeyEvent() {
3133   ClearEditCommands();
3134 }
3135
3136 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3137   possible_drag_event_info_.event_source =
3138       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3139   possible_drag_event_info_.event_location =
3140       gfx::Point(event.globalX, event.globalY);
3141
3142 #if defined(ENABLE_PLUGINS)
3143   // This method is called for every mouse event that the render view receives.
3144   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3145   // event target. Potentially a Pepper plugin will receive the event.
3146   // In order to tell whether a plugin gets the last mouse event and which it
3147   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3148   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3149   // |pepper_last_mouse_event_target_|.
3150   pepper_last_mouse_event_target_ = NULL;
3151 #endif
3152
3153   // If the mouse is locked, only the current owner of the mouse lock can
3154   // process mouse events.
3155   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3156 }
3157
3158 bool RenderViewImpl::WillHandleGestureEvent(
3159     const blink::WebGestureEvent& event) {
3160   possible_drag_event_info_.event_source =
3161       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3162   possible_drag_event_info_.event_location =
3163       gfx::Point(event.globalX, event.globalY);
3164   return false;
3165 }
3166
3167 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3168   if (!webview())
3169     return false;
3170   return webview()->hasTouchEventHandlersAt(point);
3171 }
3172
3173 void RenderViewImpl::OnWasHidden() {
3174   RenderWidget::OnWasHidden();
3175
3176 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3177   RenderThreadImpl::current()->video_capture_impl_manager()->
3178       SuspendDevices(true);
3179   if (speech_recognition_dispatcher_)
3180     speech_recognition_dispatcher_->AbortAllRecognitions();
3181 #endif
3182
3183   if (webview())
3184     webview()->setVisibilityState(visibilityState(), false);
3185
3186 #if defined(ENABLE_PLUGINS)
3187   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3188        i != active_pepper_instances_.end(); ++i)
3189     (*i)->PageVisibilityChanged(false);
3190
3191 #if defined(OS_MACOSX)
3192   // Inform NPAPI plugins that their container is no longer visible.
3193   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3194   for (plugin_it = plugin_delegates_.begin();
3195        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3196     (*plugin_it)->SetContainerVisibility(false);
3197   }
3198 #endif  // OS_MACOSX
3199 #endif // ENABLE_PLUGINS
3200 }
3201
3202 void RenderViewImpl::OnWasShown(bool needs_repainting,
3203                                 const ui::LatencyInfo& latency_info) {
3204   RenderWidget::OnWasShown(needs_repainting, latency_info);
3205
3206 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3207   RenderThreadImpl::current()->video_capture_impl_manager()->
3208       SuspendDevices(false);
3209 #endif
3210
3211   if (webview())
3212     webview()->setVisibilityState(visibilityState(), false);
3213
3214 #if defined(ENABLE_PLUGINS)
3215   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3216        i != active_pepper_instances_.end(); ++i)
3217     (*i)->PageVisibilityChanged(true);
3218
3219 #if defined(OS_MACOSX)
3220   // Inform NPAPI plugins that their container is now visible.
3221   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3222   for (plugin_it = plugin_delegates_.begin();
3223        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3224     (*plugin_it)->SetContainerVisibility(true);
3225   }
3226 #endif  // OS_MACOSX
3227 #endif  // ENABLE_PLUGINS
3228 }
3229
3230 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3231   DCHECK(webview());
3232   if (webview()->mainFrame()->isWebLocalFrame())
3233     return GURL(webview()->mainFrame()->document().url());
3234   else
3235     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3236 }
3237
3238 void RenderViewImpl::OnSetFocus(bool enable) {
3239   RenderWidget::OnSetFocus(enable);
3240
3241 #if defined(ENABLE_PLUGINS)
3242   if (webview() && webview()->isActive()) {
3243     // Notify all NPAPI plugins.
3244     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3245     for (plugin_it = plugin_delegates_.begin();
3246          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3247 #if defined(OS_MACOSX)
3248       // RenderWidget's call to setFocus can cause the underlying webview's
3249       // activation state to change just like a call to setIsActive.
3250       if (enable)
3251         (*plugin_it)->SetWindowFocus(true);
3252 #endif
3253       (*plugin_it)->SetContentAreaFocus(enable);
3254     }
3255   }
3256   // Notify all Pepper plugins.
3257   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3258        i != active_pepper_instances_.end(); ++i)
3259     (*i)->SetContentAreaFocus(enable);
3260 #endif
3261   // Notify all BrowserPlugins of the RenderView's focus state.
3262   if (BrowserPluginManager::Get())
3263     BrowserPluginManager::Get()->UpdateFocusState();
3264 }
3265
3266 void RenderViewImpl::OnImeSetComposition(
3267     const base::string16& text,
3268     const std::vector<blink::WebCompositionUnderline>& underlines,
3269     int selection_start,
3270     int selection_end) {
3271 #if defined(ENABLE_PLUGINS)
3272   if (focused_pepper_plugin_) {
3273     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3274         text, underlines, selection_start, selection_end);
3275     return;
3276   }
3277
3278 #if defined(OS_WIN)
3279   // When a plugin has focus, we create platform-specific IME data used by
3280   // our IME emulator and send it directly to the focused plugin, i.e. we
3281   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3282   // instance ID is the same one as the specified ID.)
3283   if (focused_plugin_id_ >= 0) {
3284     std::vector<int> clauses;
3285     std::vector<int> target;
3286     for (size_t i = 0; i < underlines.size(); ++i) {
3287       clauses.push_back(underlines[i].startOffset);
3288       clauses.push_back(underlines[i].endOffset);
3289       if (underlines[i].thick) {
3290         target.clear();
3291         target.push_back(underlines[i].startOffset);
3292         target.push_back(underlines[i].endOffset);
3293       }
3294     }
3295     std::set<WebPluginDelegateProxy*>::iterator it;
3296     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3297       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3298                                    focused_plugin_id_);
3299     }
3300     return;
3301   }
3302 #endif  // OS_WIN
3303 #endif  // ENABLE_PLUGINS
3304   RenderWidget::OnImeSetComposition(text,
3305                                     underlines,
3306                                     selection_start,
3307                                     selection_end);
3308 }
3309
3310 void RenderViewImpl::OnImeConfirmComposition(
3311     const base::string16& text,
3312     const gfx::Range& replacement_range,
3313     bool keep_selection) {
3314 #if defined(ENABLE_PLUGINS)
3315   if (focused_pepper_plugin_) {
3316     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3317         text, replacement_range, keep_selection);
3318     return;
3319   }
3320 #if defined(OS_WIN)
3321   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3322   // plugins. When we send IME text directly to plugins, we should not send
3323   // it to WebKit to prevent WebKit from controlling IMEs.
3324   // TODO(thakis): Honor |replacement_range| for plugins?
3325   if (focused_plugin_id_ >= 0) {
3326     std::set<WebPluginDelegateProxy*>::iterator it;
3327     for (it = plugin_delegates_.begin();
3328           it != plugin_delegates_.end(); ++it) {
3329       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3330     }
3331     return;
3332   }
3333 #endif  // OS_WIN
3334 #endif  // ENABLE_PLUGINS
3335   if (replacement_range.IsValid() && webview()) {
3336     // Select the text in |replacement_range|, it will then be replaced by
3337     // text added by the call to RenderWidget::OnImeConfirmComposition().
3338     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3339       WebRange webrange = WebRange::fromDocumentRange(
3340           frame, replacement_range.start(), replacement_range.length());
3341       if (!webrange.isNull())
3342         frame->selectRange(webrange);
3343     }
3344   }
3345   RenderWidget::OnImeConfirmComposition(text,
3346                                         replacement_range,
3347                                         keep_selection);
3348 }
3349
3350 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3351   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3352   if (webview()) {
3353     webview()->setDeviceScaleFactor(device_scale_factor);
3354     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3355         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3356   }
3357   if (auto_resize_mode_)
3358     AutoResizeCompositor();
3359 }
3360
3361 bool RenderViewImpl::SetDeviceColorProfile(
3362     const std::vector<char>& profile) {
3363   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3364   if (changed && webview()) {
3365     WebVector<char> colorProfile = profile;
3366     webview()->setDeviceColorProfile(colorProfile);
3367   }
3368   return changed;
3369 }
3370
3371 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3372   RenderWidget::ResetDeviceColorProfileForTesting();
3373   if (webview())
3374     webview()->resetDeviceColorProfile();
3375 }
3376
3377 ui::TextInputType RenderViewImpl::GetTextInputType() {
3378 #if defined(ENABLE_PLUGINS)
3379   if (focused_pepper_plugin_)
3380     return focused_pepper_plugin_->text_input_type();
3381 #endif
3382   return RenderWidget::GetTextInputType();
3383 }
3384
3385 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3386 #if defined(ENABLE_PLUGINS)
3387   if (focused_pepper_plugin_) {
3388     // TODO(kinaba) http://crbug.com/101101
3389     // Current Pepper IME API does not handle selection bounds. So we simply
3390     // use the caret position as an empty range for now. It will be updated
3391     // after Pepper API equips features related to surrounding text retrieval.
3392     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3393     *start = caret;
3394     *end = caret;
3395     return;
3396   }
3397 #endif
3398   RenderWidget::GetSelectionBounds(start, end);
3399 }
3400
3401 void RenderViewImpl::FocusChangeComplete() {
3402   RenderWidget::FocusChangeComplete();
3403   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3404 }
3405
3406 void RenderViewImpl::GetCompositionCharacterBounds(
3407     std::vector<gfx::Rect>* bounds) {
3408   DCHECK(bounds);
3409   bounds->clear();
3410
3411 #if defined(ENABLE_PLUGINS)
3412   if (focused_pepper_plugin_) {
3413     return;
3414   }
3415 #endif
3416
3417   if (!webview())
3418     return;
3419   size_t start_offset = 0;
3420   size_t character_count = 0;
3421   if (!webview()->compositionRange(&start_offset, &character_count))
3422     return;
3423   if (character_count == 0)
3424     return;
3425
3426   blink::WebFrame* frame = webview()->focusedFrame();
3427   if (!frame)
3428     return;
3429
3430   bounds->reserve(character_count);
3431   blink::WebRect webrect;
3432   for (size_t i = 0; i < character_count; ++i) {
3433     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3434       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3435       bounds->clear();
3436       return;
3437     }
3438     bounds->push_back(webrect);
3439   }
3440 }
3441
3442 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3443 #if defined(ENABLE_PLUGINS)
3444   if (focused_pepper_plugin_) {
3445     return;
3446   }
3447 #endif
3448   RenderWidget::GetCompositionRange(range);
3449 }
3450
3451 bool RenderViewImpl::CanComposeInline() {
3452 #if defined(ENABLE_PLUGINS)
3453   if (focused_pepper_plugin_)
3454     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3455 #endif
3456   return true;
3457 }
3458
3459 void RenderViewImpl::DidCompletePageScaleAnimation() {
3460   FocusChangeComplete();
3461 }
3462
3463 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3464     bool enabled,
3465     const blink::WebDeviceEmulationParams& params) {
3466   if (webview() && compositor()) {
3467     if (enabled)
3468       webview()->enableDeviceEmulation(params);
3469     else
3470       webview()->disableDeviceEmulation();
3471   }
3472 }
3473
3474 bool RenderViewImpl::ScheduleFileChooser(
3475     const FileChooserParams& params,
3476     WebFileChooserCompletion* completion) {
3477   static const size_t kMaximumPendingFileChooseRequests = 4;
3478   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3479     // This sanity check prevents too many file choose requests from getting
3480     // queued which could DoS the user. Getting these is most likely a
3481     // programming error (there are many ways to DoS the user so it's not
3482     // considered a "real" security check), either in JS requesting many file
3483     // choosers to pop up, or in a plugin.
3484     //
3485     // TODO(brettw) we might possibly want to require a user gesture to open
3486     // a file picker, which will address this issue in a better way.
3487     return false;
3488   }
3489
3490   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3491       new PendingFileChooser(params, completion)));
3492   if (file_chooser_completions_.size() == 1) {
3493     // Actually show the browse dialog when this is the first request.
3494     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3495   }
3496   return true;
3497 }
3498
3499 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3500   if (!speech_recognition_dispatcher_)
3501     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3502   return speech_recognition_dispatcher_;
3503 }
3504
3505 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3506                                        double maximum_level) {
3507   // Round the double to avoid returning incorrect minimum/maximum zoom
3508   // percentages.
3509   int minimum_percent = round(
3510       ZoomLevelToZoomFactor(minimum_level) * 100);
3511   int maximum_percent = round(
3512       ZoomLevelToZoomFactor(maximum_level) * 100);
3513
3514   Send(new ViewHostMsg_UpdateZoomLimits(
3515       routing_id_, minimum_percent, maximum_percent));
3516 }
3517
3518 void RenderViewImpl::zoomLevelChanged() {
3519   double zoom_level = webview()->zoomLevel();
3520
3521   // Do not send empty URLs to the browser when we are just setting the default
3522   // zoom level (from RendererPreferences) before the first navigation.
3523   if (!webview()->mainFrame()->document().url().isEmpty()) {
3524     // Tell the browser which url got zoomed so it can update the menu and the
3525     // saved values if necessary
3526     Send(new ViewHostMsg_DidZoomURL(
3527         routing_id_, zoom_level,
3528         GURL(webview()->mainFrame()->document().url())));
3529   }
3530 }
3531
3532 void RenderViewImpl::pageScaleFactorChanged() {
3533   if (!webview())
3534     return;
3535   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3536   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3537     return;
3538   page_scale_factor_is_one_ = page_scale_factor_is_one;
3539   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3540                                                    page_scale_factor_is_one_));
3541 }
3542
3543 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3544   return ZoomLevelToZoomFactor(zoom_level);
3545 }
3546
3547 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3548   return ZoomFactorToZoomLevel(factor);
3549 }
3550
3551 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3552   blink::WebPageVisibilityState current_state = is_hidden() ?
3553       blink::WebPageVisibilityStateHidden :
3554       blink::WebPageVisibilityStateVisible;
3555   blink::WebPageVisibilityState override_state = current_state;
3556   // TODO(jam): move this method to WebFrameClient.
3557   if (GetContentClient()->renderer()->
3558           ShouldOverridePageVisibilityState(main_render_frame_,
3559                                             &override_state))
3560     return override_state;
3561   return current_state;
3562 }
3563
3564 void RenderViewImpl::draggableRegionsChanged() {
3565   FOR_EACH_OBSERVER(
3566       RenderViewObserver,
3567       observers_,
3568       DraggableRegionsChanged(webview()->mainFrame()));
3569 }
3570
3571 #if defined(OS_ANDROID)
3572 WebContentDetectionResult RenderViewImpl::detectContentAround(
3573     const WebHitTestResult& touch_hit) {
3574   DCHECK(touch_hit.node().isTextNode());
3575
3576   // Process the position with all the registered content detectors until
3577   // a match is found. Priority is provided by their relative order.
3578   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3579       it != content_detectors_.end(); ++it) {
3580     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3581     if (content.valid) {
3582       return WebContentDetectionResult(content.content_boundaries,
3583           base::UTF8ToUTF16(content.text), content.intent_url);
3584     }
3585   }
3586   return WebContentDetectionResult();
3587 }
3588
3589 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3590   // Introduce a short delay so that the user can notice the content.
3591   base::MessageLoop::current()->PostDelayedTask(
3592       FROM_HERE,
3593       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3594                  AsWeakPtr(),
3595                  intent,
3596                  expected_content_intent_id_),
3597       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3598 }
3599
3600 void RenderViewImpl::cancelScheduledContentIntents() {
3601   ++expected_content_intent_id_;
3602 }
3603
3604 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3605                                                 size_t request_id) {
3606   if (request_id != expected_content_intent_id_)
3607     return;
3608
3609   // Remove the content highlighting if any.
3610   ScheduleComposite();
3611
3612   if (!intent.is_empty())
3613     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3614 }
3615
3616 bool RenderViewImpl::openDateTimeChooser(
3617     const blink::WebDateTimeChooserParams& params,
3618     blink::WebDateTimeChooserCompletion* completion) {
3619   // JavaScript may try to open a date time chooser while one is already open.
3620   if (date_time_picker_client_)
3621     return false;
3622   date_time_picker_client_.reset(
3623       new RendererDateTimePicker(this, params, completion));
3624   return date_time_picker_client_->Open();
3625 }
3626
3627 void RenderViewImpl::DismissDateTimeDialog() {
3628   DCHECK(date_time_picker_client_);
3629   date_time_picker_client_.reset(NULL);
3630 }
3631
3632 #endif  // defined(OS_ANDROID)
3633
3634 void RenderViewImpl::OnShowContextMenu(
3635     ui::MenuSourceType source_type, const gfx::Point& location) {
3636   context_menu_source_type_ = source_type;
3637   has_host_context_menu_location_ = true;
3638   host_context_menu_location_ = location;
3639   if (webview())
3640     webview()->showContextMenu();
3641   has_host_context_menu_location_ = false;
3642 }
3643
3644 void RenderViewImpl::OnEnableViewSourceMode() {
3645   if (!webview())
3646     return;
3647   WebFrame* main_frame = webview()->mainFrame();
3648   if (!main_frame)
3649     return;
3650   main_frame->enableViewSourceMode(true);
3651 }
3652
3653 #if defined(OS_ANDROID) || defined(USE_AURA)
3654 bool RenderViewImpl::didTapMultipleTargets(
3655     const WebSize& inner_viewport_offset,
3656     const WebRect& touch_rect,
3657     const WebVector<WebRect>& target_rects) {
3658   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3659
3660   // Never show a disambiguation popup when accessibility is enabled,
3661   // as this interferes with "touch exploration".
3662   AccessibilityMode accessibility_mode =
3663       GetMainRenderFrame()->accessibility_mode();
3664   bool matches_accessibility_mode_complete =
3665       (accessibility_mode & AccessibilityModeComplete) ==
3666           AccessibilityModeComplete;
3667   if (matches_accessibility_mode_complete)
3668     return false;
3669
3670   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3671   // reference frame.
3672   gfx::Rect zoom_rect;
3673   float new_total_scale =
3674       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3675           touch_rect, target_rects, GetSize(),
3676           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3677           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3678   if (!new_total_scale || zoom_rect.IsEmpty())
3679     return false;
3680
3681   bool handled = false;
3682   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3683     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3684       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3685       break;
3686     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3687       gfx::Size canvas_size =
3688           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3689       cc::SharedBitmapManager* manager =
3690           RenderThreadImpl::current()->shared_bitmap_manager();
3691       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3692           manager->AllocateSharedBitmap(canvas_size);
3693       CHECK(!!shared_bitmap);
3694       {
3695         SkBitmap bitmap;
3696         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3697                                                       canvas_size.height());
3698         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3699         SkCanvas canvas(bitmap);
3700
3701         // TODO(trchen): Cleanup the device scale factor mess.
3702         // device scale will be applied in WebKit
3703         // --> zoom_rect doesn't include device scale,
3704         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3705         canvas.scale(new_total_scale / device_scale_factor_,
3706                      new_total_scale / device_scale_factor_);
3707         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3708                          -zoom_rect.y() * device_scale_factor_);
3709
3710         DCHECK(webwidget_->isAcceleratedCompositingActive());
3711         // TODO(aelias): The disambiguation popup should be composited so we
3712         // don't have to call this method.
3713         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3714       }
3715
3716       gfx::Rect zoom_rect_in_screen =
3717           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3718                                     inner_viewport_offset.height);
3719
3720       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3721           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3722
3723       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3724                                                    physical_window_zoom_rect,
3725                                                    canvas_size,
3726                                                    shared_bitmap->id()));
3727       cc::SharedBitmapId id = shared_bitmap->id();
3728       disambiguation_bitmaps_[id] = shared_bitmap.release();
3729       handled = true;
3730       break;
3731     }
3732     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3733       // No-op.
3734       break;
3735   }
3736
3737   return handled;
3738 }
3739 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3740
3741 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3742   return history_list_length_;
3743 }
3744
3745 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3746   if (enable) {
3747     if (has_focus())
3748       return;
3749     OnSetActive(true);
3750     OnSetFocus(true);
3751   } else {
3752     if (!has_focus())
3753       return;
3754     OnSetFocus(false);
3755     OnSetActive(false);
3756   }
3757 }
3758
3759 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3760   ViewMsg_Resize_Params params;
3761   params.screen_info = screen_info_;
3762   params.screen_info.deviceScaleFactor = factor;
3763   params.new_size = size();
3764   params.visible_viewport_size = visible_viewport_size_;
3765   params.physical_backing_size =
3766       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3767   params.top_controls_shrink_blink_size = false;
3768   params.top_controls_height = 0.f;
3769   params.resizer_rect = WebRect();
3770   params.is_fullscreen_granted = is_fullscreen_granted();
3771   params.display_mode = display_mode_;
3772   OnResize(params);
3773 }
3774
3775 void RenderViewImpl::SetDeviceColorProfileForTesting(
3776     const std::vector<char>& color_profile) {
3777   SetDeviceColorProfile(color_profile);
3778 }
3779
3780 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3781   gfx::Rect new_window_rect(rootWindowRect().x,
3782                             rootWindowRect().y,
3783                             new_size.width(),
3784                             new_size.height());
3785   SetWindowRectSynchronously(new_window_rect);
3786 }
3787
3788 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3789   resizing_mode_selector_->set_is_synchronous_mode(enable);
3790 }
3791
3792 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3793                                                 const gfx::Size& max_size) {
3794   OnEnableAutoResize(min_size, max_size);
3795 }
3796
3797 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3798   OnDisableAutoResize(new_size);
3799 }
3800
3801 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3802     const cc::SharedBitmapId& id) {
3803   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3804   DCHECK(it != disambiguation_bitmaps_.end());
3805   delete it->second;
3806   disambiguation_bitmaps_.erase(it);
3807 }
3808
3809 void RenderViewImpl::DidCommitCompositorFrame() {
3810   RenderWidget::DidCommitCompositorFrame();
3811   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3812 }
3813
3814 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3815   if (!urls.empty())
3816     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3817 }
3818
3819 void RenderViewImpl::DidStopLoadingIcons() {
3820   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3821       WebIconURL::TypeTouch;
3822
3823   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3824   // just return early.
3825   if (webview()->mainFrame()->isWebRemoteFrame())
3826     return;
3827
3828   WebVector<WebIconURL> icon_urls =
3829       webview()->mainFrame()->iconURLs(icon_types);
3830
3831   std::vector<FaviconURL> urls;
3832   for (size_t i = 0; i < icon_urls.size(); i++) {
3833     WebURL url = icon_urls[i].iconURL();
3834     std::vector<gfx::Size> sizes;
3835     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3836     if (!url.isEmpty())
3837       urls.push_back(
3838           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3839   }
3840   SendUpdateFaviconURL(urls);
3841 }
3842
3843 }  // namespace content