content/renderer/render_view_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_view_impl.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/debug/alias.h"
  16 #include "base/files/file_path.h"
  17 #include "base/i18n/rtl.h"
  18 #include "base/json/json_writer.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/memory/scoped_ptr.h"
  21 #include "base/metrics/field_trial.h"
  22 #include "base/metrics/histogram.h"
  23 #include "base/process/kill.h"
  24 #include "base/process/process.h"
  25 #include "base/strings/string_number_conversions.h"
  26 #include "base/strings/string_piece.h"
  27 #include "base/strings/string_split.h"
  28 #include "base/strings/string_util.h"
  29 #include "base/strings/sys_string_conversions.h"
  30 #include "base/strings/utf_string_conversions.h"
  31 #include "base/time/time.h"
  32 #include "base/trace_event/trace_event.h"
  33 #include "content/child/appcache/appcache_dispatcher.h"
  34 #include "content/child/appcache/web_application_cache_host_impl.h"
  35 #include "content/child/child_shared_bitmap_manager.h"
  36 #include "content/child/npapi/webplugin_delegate_impl.h"
  37 #include "content/child/request_extra_data.h"
  38 #include "content/child/v8_value_converter_impl.h"
  39 #include "content/child/webmessageportchannel_impl.h"
  40 #include "content/common/content_constants_internal.h"
  41 #include "content/common/database_messages.h"
  42 #include "content/common/dom_storage/dom_storage_types.h"
  43 #include "content/common/drag_messages.h"
  44 #include "content/common/frame_messages.h"
  45 #include "content/common/frame_replication_state.h"
  46 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  47 #include "content/common/input_messages.h"
  48 #include "content/common/pepper_messages.h"
  49 #include "content/common/site_isolation_policy.h"
  50 #include "content/common/ssl_status_serialization.h"
  51 #include "content/common/view_messages.h"
  52 #include "content/public/common/bindings_policy.h"
  53 #include "content/public/common/content_client.h"
  54 #include "content/public/common/content_constants.h"
  55 #include "content/public/common/content_switches.h"
  56 #include "content/public/common/drop_data.h"
  57 #include "content/public/common/favicon_url.h"
  58 #include "content/public/common/file_chooser_file_info.h"
  59 #include "content/public/common/file_chooser_params.h"
  60 #include "content/public/common/page_state.h"
  61 #include "content/public/common/page_zoom.h"
  62 #include "content/public/common/ssl_status.h"
  63 #include "content/public/common/three_d_api_types.h"
  64 #include "content/public/common/url_constants.h"
  65 #include "content/public/common/url_utils.h"
  66 #include "content/public/common/web_preferences.h"
  67 #include "content/public/renderer/content_renderer_client.h"
  68 #include "content/public/renderer/document_state.h"
  69 #include "content/public/renderer/navigation_state.h"
  70 #include "content/public/renderer/render_view_observer.h"
  71 #include "content/public/renderer/render_view_visitor.h"
  72 #include "content/renderer/browser_plugin/browser_plugin.h"
  73 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  74 #include "content/renderer/disambiguation_popup_helper.h"
  75 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  76 #include "content/renderer/drop_data_builder.h"
  77 #include "content/renderer/gpu/render_widget_compositor.h"
  78 #include "content/renderer/history_controller.h"
  79 #include "content/renderer/history_serialization.h"
  80 #include "content/renderer/idle_user_detector.h"
  81 #include "content/renderer/ime_event_guard.h"
  82 #include "content/renderer/input/input_handler_manager.h"
  83 #include "content/renderer/internal_document_state_data.h"
  84 #include "content/renderer/media/audio_device_factory.h"
  85 #include "content/renderer/media/video_capture_impl_manager.h"
  86 #include "content/renderer/mhtml_generator.h"
  87 #include "content/renderer/navigation_state_impl.h"
  88 #include "content/renderer/net_info_helper.h"
  89 #include "content/renderer/render_frame_impl.h"
  90 #include "content/renderer/render_frame_proxy.h"
  91 #include "content/renderer/render_process.h"
  92 #include "content/renderer/render_thread_impl.h"
  93 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
  94 #include "content/renderer/render_widget_fullscreen_pepper.h"
  95 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  96 #include "content/renderer/resizing_mode_selector.h"
  97 #include "content/renderer/savable_resources.h"
  98 #include "content/renderer/speech_recognition_dispatcher.h"
  99 #include "content/renderer/text_input_client_observer.h"
 100 #include "content/renderer/web_ui_extension_data.h"
 101 #include "content/renderer/web_ui_mojo.h"
 102 #include "content/renderer/websharedworker_proxy.h"
 103 #include "media/audio/audio_output_device.h"
 104 #include "media/base/media_switches.h"
 105 #include "media/renderers/audio_renderer_impl.h"
 106 #include "media/renderers/gpu_video_accelerator_factories.h"
 107 #include "net/base/data_url.h"
 108 #include "net/base/escape.h"
 109 #include "net/base/net_errors.h"
 110 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 111 #include "net/http/http_util.h"
 112 #include "skia/ext/platform_canvas.h"
 113 #include "third_party/WebKit/public/platform/WebCString.h"
 114 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 115 #include "third_party/WebKit/public/platform/WebDragData.h"
 116 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 117 #include "third_party/WebKit/public/platform/WebImage.h"
 118 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 119 #include "third_party/WebKit/public/platform/WebPoint.h"
 120 #include "third_party/WebKit/public/platform/WebRect.h"
 121 #include "third_party/WebKit/public/platform/WebSize.h"
 122 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 123 #include "third_party/WebKit/public/platform/WebString.h"
 124 #include "third_party/WebKit/public/platform/WebURL.h"
 125 #include "third_party/WebKit/public/platform/WebURLError.h"
 126 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 127 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 128 #include "third_party/WebKit/public/platform/WebVector.h"
 129 #include "third_party/WebKit/public/web/WebAXObject.h"
 130 #include "third_party/WebKit/public/web/WebColorName.h"
 131 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 132 #include "third_party/WebKit/public/web/WebDOMEvent.h"
 133 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
 134 #include "third_party/WebKit/public/web/WebDataSource.h"
 135 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
 136 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
 137 #include "third_party/WebKit/public/web/WebDocument.h"
 138 #include "third_party/WebKit/public/web/WebElement.h"
 139 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 140 #include "third_party/WebKit/public/web/WebFindOptions.h"
 141 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 142 #include "third_party/WebKit/public/web/WebFormElement.h"
 143 #include "third_party/WebKit/public/web/WebFrame.h"
 144 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 145 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 146 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 147 #include "third_party/WebKit/public/web/WebInputElement.h"
 148 #include "third_party/WebKit/public/web/WebInputEvent.h"
 149 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 150 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 151 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 152 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 153 #include "third_party/WebKit/public/web/WebNodeList.h"
 154 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 155 #include "third_party/WebKit/public/web/WebPlugin.h"
 156 #include "third_party/WebKit/public/web/WebPluginAction.h"
 157 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 158 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 159 #include "third_party/WebKit/public/web/WebRange.h"
 160 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 161 #include "third_party/WebKit/public/web/WebScriptSource.h"
 162 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 163 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 164 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 165 #include "third_party/WebKit/public/web/WebSettings.h"
 166 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 167 #include "third_party/WebKit/public/web/WebView.h"
 168 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 169 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 170 #include "third_party/icu/source/common/unicode/uchar.h"
 171 #include "third_party/icu/source/common/unicode/uscript.h"
 172 #include "ui/base/clipboard/clipboard.h"
 173 #include "ui/base/ui_base_switches_util.h"
 174 #include "ui/events/latency_info.h"
 175 #include "ui/gfx/geometry/point.h"
 176 #include "ui/gfx/geometry/rect.h"
 177 #include "ui/gfx/geometry/rect_conversions.h"
 178 #include "ui/gfx/geometry/size_conversions.h"
 179 #include "ui/gfx/native_widget_types.h"
 180 #include "v8/include/v8.h"
 181
 182 #if defined(OS_ANDROID)
 183 #include <cpu-features.h>
 184
 185 #include "content/renderer/android/address_detector.h"
 186 #include "content/renderer/android/content_detector.h"
 187 #include "content/renderer/android/email_detector.h"
 188 #include "content/renderer/android/phone_number_detector.h"
 189 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 190 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 191 #include "ui/gfx/geometry/rect_f.h"
 192
 193 #elif defined(OS_WIN)
 194 // TODO(port): these files are currently Windows only because they concern:
 195 //   * theming
 196 #include "ui/native_theme/native_theme_win.h"
 197 #elif defined(USE_X11)
 198 #include "ui/native_theme/native_theme.h"
 199 #elif defined(OS_MACOSX)
 200 #include "skia/ext/skia_utils_mac.h"
 201 #endif
 202
 203 #if defined(ENABLE_PLUGINS)
 204 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 205 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 206 #include "content/renderer/pepper/pepper_plugin_registry.h"
 207 #endif
 208
 209 #if defined(ENABLE_WEBRTC)
 210 #include "content/renderer/media/rtc_peer_connection_handler.h"
 211 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 212 #endif
 213
 214 using blink::WebAXObject;
 215 using blink::WebApplicationCacheHost;
 216 using blink::WebApplicationCacheHostClient;
 217 using blink::WebCString;
 218 using blink::WebColor;
 219 using blink::WebColorName;
 220 using blink::WebConsoleMessage;
 221 using blink::WebData;
 222 using blink::WebDataSource;
 223 using blink::WebDocument;
 224 using blink::WebDragData;
 225 using blink::WebDragOperation;
 226 using blink::WebDragOperationsMask;
 227 using blink::WebElement;
 228 using blink::WebFileChooserCompletion;
 229 using blink::WebFindOptions;
 230 using blink::WebFormControlElement;
 231 using blink::WebFormElement;
 232 using blink::WebFrame;
 233 using blink::WebGestureEvent;
 234 using blink::WebHistoryItem;
 235 using blink::WebHTTPBody;
 236 using blink::WebIconURL;
 237 using blink::WebImage;
 238 using blink::WebInputElement;
 239 using blink::WebInputEvent;
 240 using blink::WebLocalFrame;
 241 using blink::WebMediaPlayerAction;
 242 using blink::WebMouseEvent;
 243 using blink::WebNavigationPolicy;
 244 using blink::WebNavigationType;
 245 using blink::WebNode;
 246 using blink::WebPageSerializer;
 247 using blink::WebPageSerializerClient;
 248 using blink::WebPeerConnection00Handler;
 249 using blink::WebPeerConnection00HandlerClient;
 250 using blink::WebPeerConnectionHandler;
 251 using blink::WebPeerConnectionHandlerClient;
 252 using blink::WebPluginAction;
 253 using blink::WebPluginContainer;
 254 using blink::WebPluginDocument;
 255 using blink::WebPoint;
 256 using blink::WebRange;
 257 using blink::WebRect;
 258 using blink::WebReferrerPolicy;
 259 using blink::WebScriptSource;
 260 using blink::WebSearchableFormData;
 261 using blink::WebSecurityOrigin;
 262 using blink::WebSecurityPolicy;
 263 using blink::WebSettings;
 264 using blink::WebSize;
 265 using blink::WebStorageNamespace;
 266 using blink::WebStorageQuotaCallbacks;
 267 using blink::WebStorageQuotaError;
 268 using blink::WebStorageQuotaType;
 269 using blink::WebString;
 270 using blink::WebTextAffinity;
 271 using blink::WebTextDirection;
 272 using blink::WebTouchEvent;
 273 using blink::WebURL;
 274 using blink::WebURLError;
 275 using blink::WebURLRequest;
 276 using blink::WebURLResponse;
 277 using blink::WebUserGestureIndicator;
 278 using blink::WebVector;
 279 using blink::WebView;
 280 using blink::WebWidget;
 281 using blink::WebWindowFeatures;
 282 using blink::WebNetworkStateNotifier;
 283 using blink::WebRuntimeFeatures;
 284 using base::Time;
 285 using base::TimeDelta;
 286
 287 #if defined(OS_ANDROID)
 288 using blink::WebContentDetectionResult;
 289 using blink::WebFloatPoint;
 290 using blink::WebFloatRect;
 291 using blink::WebHitTestResult;
 292 #endif
 293
 294 namespace content {
 295
 296 //-----------------------------------------------------------------------------
 297
 298 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 299 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 300 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 301 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 302     LAZY_INSTANCE_INITIALIZER;
 303
 304 // Time, in seconds, we delay before sending content state changes (such as form
 305 // state and scroll position) to the browser. We delay sending changes to avoid
 306 // spamming the browser.
 307 // To avoid having tab/session restore require sending a message to get the
 308 // current content state during tab closing we use a shorter timeout for the
 309 // foreground renderer. This means there is a small window of time from which
 310 // content state is modified and not sent to session restore, but this is
 311 // better than having to wake up all renderers during shutdown.
 312 const int kDelaySecondsForContentStateSyncHidden = 5;
 313 const int kDelaySecondsForContentStateSync = 1;
 314
 315 #if defined(OS_ANDROID)
 316 // Delay between tapping in content and launching the associated android intent.
 317 // Used to allow users see what has been recognized as content.
 318 const size_t kContentIntentDelayMilliseconds = 700;
 319 #endif
 320
 321 static RenderViewImpl* (*g_create_render_view_impl)(
 322     CompositorDependencies* compositor_deps,
 323     const ViewMsg_New_Params&) = nullptr;
 324
 325 // static
 326 Referrer RenderViewImpl::GetReferrerFromRequest(
 327     WebFrame* frame,
 328     const WebURLRequest& request) {
 329   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 330                   request.referrerPolicy());
 331 }
 332
 333 // static
 334 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 335     WebNavigationPolicy policy) {
 336   switch (policy) {
 337     case blink::WebNavigationPolicyIgnore:
 338       return IGNORE_ACTION;
 339     case blink::WebNavigationPolicyDownload:
 340       return SAVE_TO_DISK;
 341     case blink::WebNavigationPolicyCurrentTab:
 342       return CURRENT_TAB;
 343     case blink::WebNavigationPolicyNewBackgroundTab:
 344       return NEW_BACKGROUND_TAB;
 345     case blink::WebNavigationPolicyNewForegroundTab:
 346       return NEW_FOREGROUND_TAB;
 347     case blink::WebNavigationPolicyNewWindow:
 348       return NEW_WINDOW;
 349     case blink::WebNavigationPolicyNewPopup:
 350       return NEW_POPUP;
 351   default:
 352     NOTREACHED() << "Unexpected WebNavigationPolicy";
 353     return IGNORE_ACTION;
 354   }
 355 }
 356
 357 // Returns true if the device scale is high enough that losing subpixel
 358 // antialiasing won't have a noticeable effect on text quality.
 359 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 360 #if defined(OS_ANDROID)
 361   // On Android, we never have subpixel antialiasing.
 362   return true;
 363 #else
 364   return device_scale_factor > 1.5f;
 365 #endif
 366
 367 }
 368
 369 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 370                                        float device_scale_factor) {
 371   const base::CommandLine& command_line =
 372       *base::CommandLine::ForCurrentProcess();
 373   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 374     return false;
 375   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 376     return true;
 377   if (!compositor_deps->IsLcdTextEnabled())
 378     return true;
 379   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 380 }
 381
 382 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 383   switch (type) {
 384     case blink::WebIconURL::TypeFavicon:
 385       return FaviconURL::FAVICON;
 386     case blink::WebIconURL::TypeTouch:
 387       return FaviconURL::TOUCH_ICON;
 388     case blink::WebIconURL::TypeTouchPrecomposed:
 389       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 390     case blink::WebIconURL::TypeInvalid:
 391       return FaviconURL::INVALID_ICON;
 392   }
 393   return FaviconURL::INVALID_ICON;
 394 }
 395
 396 static void ConvertToFaviconSizes(
 397     const blink::WebVector<blink::WebSize>& web_sizes,
 398     std::vector<gfx::Size>* sizes) {
 399   DCHECK(sizes->empty());
 400   sizes->reserve(web_sizes.size());
 401   for (size_t i = 0; i < web_sizes.size(); ++i)
 402     sizes->push_back(gfx::Size(web_sizes[i]));
 403 }
 404
 405 ///////////////////////////////////////////////////////////////////////////////
 406
 407 struct RenderViewImpl::PendingFileChooser {
 408   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 409       : params(p),
 410         completion(c) {
 411   }
 412   FileChooserParams params;
 413   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 414 };
 415
 416 namespace {
 417
 418 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 419  public:
 420   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 421       : webwidget_(webwidget) {}
 422
 423   void OnLockMouseACK(bool succeeded) override {
 424     if (succeeded)
 425       webwidget_->didAcquirePointerLock();
 426     else
 427       webwidget_->didNotAcquirePointerLock();
 428   }
 429
 430   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 431
 432   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 433     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 434     return false;
 435   }
 436
 437  private:
 438   blink::WebWidget* webwidget_;
 439 };
 440
 441 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 442   std::vector<WebDragData::Item> item_list;
 443
 444   // These fields are currently unused when dragging into WebKit.
 445   DCHECK(drop_data.download_metadata.empty());
 446   DCHECK(drop_data.file_contents.empty());
 447   DCHECK(drop_data.file_description_filename.empty());
 448
 449   if (!drop_data.text.is_null()) {
 450     WebDragData::Item item;
 451     item.storageType = WebDragData::Item::StorageTypeString;
 452     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 453     item.stringData = drop_data.text.string();
 454     item_list.push_back(item);
 455   }
 456
 457   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 458   // meaningful to write an empty URL to the clipboard?
 459   if (!drop_data.url.is_empty()) {
 460     WebDragData::Item item;
 461     item.storageType = WebDragData::Item::StorageTypeString;
 462     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 463     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 464     item.title = drop_data.url_title;
 465     item_list.push_back(item);
 466   }
 467
 468   if (!drop_data.html.is_null()) {
 469     WebDragData::Item item;
 470     item.storageType = WebDragData::Item::StorageTypeString;
 471     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 472     item.stringData = drop_data.html.string();
 473     item.baseURL = drop_data.html_base_url;
 474     item_list.push_back(item);
 475   }
 476
 477   for (std::vector<ui::FileInfo>::const_iterator it =
 478            drop_data.filenames.begin();
 479        it != drop_data.filenames.end();
 480        ++it) {
 481     WebDragData::Item item;
 482     item.storageType = WebDragData::Item::StorageTypeFilename;
 483     item.filenameData = it->path.AsUTF16Unsafe();
 484     item.displayNameData = it->display_name.AsUTF16Unsafe();
 485     item_list.push_back(item);
 486   }
 487
 488   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 489            drop_data.file_system_files.begin();
 490        it != drop_data.file_system_files.end();
 491        ++it) {
 492     WebDragData::Item item;
 493     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 494     item.fileSystemURL = it->url;
 495     item.fileSystemFileSize = it->size;
 496     item_list.push_back(item);
 497   }
 498
 499   for (std::map<base::string16, base::string16>::const_iterator it =
 500            drop_data.custom_data.begin();
 501        it != drop_data.custom_data.end();
 502        ++it) {
 503     WebDragData::Item item;
 504     item.storageType = WebDragData::Item::StorageTypeString;
 505     item.stringType = it->first;
 506     item.stringData = it->second;
 507     item_list.push_back(item);
 508   }
 509
 510   WebDragData result;
 511   result.initialize();
 512   result.setItems(item_list);
 513   result.setFilesystemId(drop_data.filesystem_id);
 514   return result;
 515 }
 516
 517 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 518                                      const base::string16&,
 519                                      UScriptCode);
 520
 521 void SetStandardFontFamilyWrapper(WebSettings* settings,
 522                                   const base::string16& font,
 523                                   UScriptCode script) {
 524   settings->setStandardFontFamily(font, script);
 525 }
 526
 527 void SetFixedFontFamilyWrapper(WebSettings* settings,
 528                                const base::string16& font,
 529                                UScriptCode script) {
 530   settings->setFixedFontFamily(font, script);
 531 }
 532
 533 void SetSerifFontFamilyWrapper(WebSettings* settings,
 534                                const base::string16& font,
 535                                UScriptCode script) {
 536   settings->setSerifFontFamily(font, script);
 537 }
 538
 539 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 540                                    const base::string16& font,
 541                                    UScriptCode script) {
 542   settings->setSansSerifFontFamily(font, script);
 543 }
 544
 545 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 546                                  const base::string16& font,
 547                                  UScriptCode script) {
 548   settings->setCursiveFontFamily(font, script);
 549 }
 550
 551 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 552                                  const base::string16& font,
 553                                  UScriptCode script) {
 554   settings->setFantasyFontFamily(font, script);
 555 }
 556
 557 void SetPictographFontFamilyWrapper(WebSettings* settings,
 558                                     const base::string16& font,
 559                                     UScriptCode script) {
 560   settings->setPictographFontFamily(font, script);
 561 }
 562
 563 // If |scriptCode| is a member of a family of "similar" script codes, returns
 564 // the script code in that family that is used by WebKit for font selection
 565 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 566 // considered equivalent for the purposes of font selection.  WebKit uses the
 567 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 568 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 569 // uses different scripts than the ones in Chrome pref names because the version
 570 // of ICU included on certain ports does not have some of the newer scripts.  If
 571 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 572 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 573   switch (scriptCode) {
 574     case USCRIPT_HIRAGANA:
 575     case USCRIPT_KATAKANA:
 576     case USCRIPT_JAPANESE:
 577       return USCRIPT_KATAKANA_OR_HIRAGANA;
 578     case USCRIPT_KOREAN:
 579       return USCRIPT_HANGUL;
 580     default:
 581       return scriptCode;
 582   }
 583 }
 584
 585 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 586                        SetFontFamilyWrapper setter,
 587                        WebSettings* settings) {
 588   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 589        ++it) {
 590     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 591     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 592       UScriptCode code = static_cast<UScriptCode>(script);
 593       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 594     }
 595   }
 596 }
 597
 598 void ApplyBlinkSettings(const base::CommandLine& command_line,
 599                         WebSettings* settings) {
 600   if (!command_line.HasSwitch(switches::kBlinkSettings))
 601     return;
 602
 603   std::vector<std::string> blink_settings = base::SplitString(
 604       command_line.GetSwitchValueASCII(switches::kBlinkSettings),
 605       ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
 606   for (const std::string& setting : blink_settings) {
 607     size_t pos = setting.find('=');
 608     settings->setFromStrings(
 609         blink::WebString::fromLatin1(setting.substr(0, pos)),
 610         blink::WebString::fromLatin1(
 611             pos == std::string::npos ? "" : setting.substr(pos + 1)));
 612   }
 613 }
 614
 615 // Looks up and returns the WebFrame corresponding to a given opener frame
 616 // routing ID.  Also stores the opener's RenderView routing ID into
 617 // |opener_view_routing_id|.
 618 WebFrame* ResolveOpener(int opener_frame_routing_id,
 619                         int* opener_view_routing_id) {
 620   *opener_view_routing_id = MSG_ROUTING_NONE;
 621   if (opener_frame_routing_id == MSG_ROUTING_NONE)
 622     return nullptr;
 623
 624   // Opener routing ID could refer to either a RenderFrameProxy or a
 625   // RenderFrame, so need to check both.
 626   RenderFrameProxy* opener_proxy =
 627       RenderFrameProxy::FromRoutingID(opener_frame_routing_id);
 628   if (opener_proxy) {
 629     *opener_view_routing_id = opener_proxy->render_view()->GetRoutingID();
 630
 631     // TODO(nasko,alexmos): This check won't be needed once swapped-out:// is
 632     // gone.
 633     if (opener_proxy->IsMainFrameDetachedFromTree()) {
 634       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 635       return opener_proxy->render_view()->webview()->mainFrame();
 636     } else {
 637       return opener_proxy->web_frame();
 638     }
 639   }
 640
 641   RenderFrameImpl* opener_frame =
 642       RenderFrameImpl::FromRoutingID(opener_frame_routing_id);
 643   if (opener_frame) {
 644     *opener_view_routing_id = opener_frame->render_view()->GetRoutingID();
 645     return opener_frame->GetWebFrame();
 646   }
 647
 648   return nullptr;
 649 }
 650
 651 }  // namespace
 652
 653 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 654                                const ViewMsg_New_Params& params)
 655     : RenderWidget(compositor_deps,
 656                    blink::WebPopupTypeNone,
 657                    params.initial_size.screen_info,
 658                    params.swapped_out,
 659                    params.hidden,
 660                    params.never_visible),
 661       webkit_preferences_(params.web_preferences),
 662       send_content_state_immediately_(false),
 663       enabled_bindings_(0),
 664       send_preferred_size_changes_(false),
 665       navigation_gesture_(NavigationGestureUnknown),
 666       opened_by_user_gesture_(true),
 667       opener_suppressed_(false),
 668       suppress_dialogs_until_swap_out_(false),
 669       page_id_(-1),
 670       next_page_id_(params.next_page_id),
 671       history_list_offset_(-1),
 672       history_list_length_(0),
 673       frames_in_progress_(0),
 674       target_url_status_(TARGET_NONE),
 675       uses_temporary_zoom_level_(false),
 676 #if defined(OS_ANDROID)
 677       top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
 678 #endif
 679       has_scrolled_focused_editable_node_into_rect_(false),
 680       main_render_frame_(nullptr),
 681       speech_recognition_dispatcher_(NULL),
 682       mouse_lock_dispatcher_(NULL),
 683 #if defined(OS_ANDROID)
 684       expected_content_intent_id_(0),
 685 #endif
 686 #if defined(OS_WIN)
 687       focused_plugin_id_(-1),
 688 #endif
 689 #if defined(ENABLE_PLUGINS)
 690       plugin_find_handler_(NULL),
 691       focused_pepper_plugin_(NULL),
 692       pepper_last_mouse_event_target_(NULL),
 693 #endif
 694       enumeration_completion_id_(0),
 695       session_storage_namespace_id_(params.session_storage_namespace_id),
 696       page_scale_factor_is_one_(true) {
 697 }
 698
 699 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 700                                 bool was_created_by_renderer) {
 701   routing_id_ = params.view_id;
 702   surface_id_ = params.surface_id;
 703
 704   int opener_view_routing_id;
 705   WebFrame* opener_frame =
 706       ResolveOpener(params.opener_frame_route_id, &opener_view_routing_id);
 707   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
 708     opener_id_ = opener_view_routing_id;
 709
 710   display_mode_= params.initial_size.display_mode;
 711
 712   // Ensure we start with a valid next_page_id_ from the browser.
 713   DCHECK_GE(next_page_id_, 0);
 714
 715   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
 716     main_render_frame_ = RenderFrameImpl::Create(
 717         this, params.main_frame_routing_id);
 718     // The main frame WebLocalFrame object is closed by
 719     // RenderFrameImpl::frameDetached().
 720     WebLocalFrame* web_frame = WebLocalFrame::create(
 721         blink::WebTreeScopeType::Document, main_render_frame_);
 722     main_render_frame_->SetWebFrame(web_frame);
 723   }
 724
 725   webwidget_ = WebView::create(this);
 726   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 727
 728   g_view_map.Get().insert(std::make_pair(webview(), this));
 729   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 730
 731   const base::CommandLine& command_line =
 732       *base::CommandLine::ForCurrentProcess();
 733
 734   if (command_line.HasSwitch(switches::kStatsCollectionController))
 735     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 736
 737   RenderFrameProxy* proxy = NULL;
 738   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 739     CHECK(params.swapped_out);
 740     if (main_render_frame_) {
 741       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 742           main_render_frame_, params.proxy_routing_id,
 743           blink::WebTreeScopeType::Document);
 744       main_render_frame_->set_render_frame_proxy(proxy);
 745     } else {
 746       proxy = RenderFrameProxy::CreateFrameProxy(
 747           params.proxy_routing_id,
 748           MSG_ROUTING_NONE,
 749           routing_id_,
 750           params.replicated_frame_state);
 751     }
 752   }
 753
 754   // When not using swapped out state, just use the WebRemoteFrame as the main
 755   // frame.
 756   if (proxy && SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 757     webview()->setMainFrame(proxy->web_frame());
 758     // Initialize the WebRemoteFrame with information replicated from the
 759     // browser process.
 760     proxy->SetReplicatedState(params.replicated_frame_state);
 761   } else {
 762     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 763   }
 764   if (main_render_frame_)
 765     main_render_frame_->Initialize();
 766
 767 #if defined(OS_ANDROID)
 768   content_detectors_.push_back(linked_ptr<ContentDetector>(
 769       new AddressDetector()));
 770   const std::string& contry_iso =
 771       params.renderer_preferences.network_contry_iso;
 772   if (!contry_iso.empty()) {
 773     content_detectors_.push_back(linked_ptr<ContentDetector>(
 774         new PhoneNumberDetector(contry_iso)));
 775   }
 776   content_detectors_.push_back(linked_ptr<ContentDetector>(
 777       new EmailDetector()));
 778 #endif
 779
 780   RenderThread::Get()->AddRoute(routing_id_, this);
 781   // Take a reference on behalf of the RenderThread.  This will be balanced
 782   // when we receive ViewMsg_Close in the RenderWidget (which RenderView
 783   // inherits from).
 784   AddRef();
 785   if (RenderThreadImpl::current()) {
 786     RenderThreadImpl::current()->WidgetCreated();
 787     if (is_hidden_)
 788       RenderThreadImpl::current()->WidgetHidden();
 789   }
 790
 791   // If this is a popup, we must wait for the CreatingNew_ACK message before
 792   // completing initialization.  Otherwise, we can finish it now.
 793   if (opener_id_ == MSG_ROUTING_NONE) {
 794     did_show_ = true;
 795     CompleteInit();
 796   }
 797
 798   webview()->setDeviceScaleFactor(device_scale_factor_);
 799   webview()->setDisplayMode(display_mode_);
 800   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 801       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 802   webview()->settings()->setThreadedScrollingEnabled(
 803       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 804   webview()->settings()->setRootLayerScrolls(
 805       command_line.HasSwitch(switches::kRootLayerScrolls));
 806
 807   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
 808
 809   if (switches::IsTouchDragDropEnabled())
 810     webview()->settings()->setTouchDragDropEnabled(true);
 811
 812   if (switches::IsTouchEditingEnabled())
 813     webview()->settings()->setTouchEditingEnabled(true);
 814
 815   WebSettings::SelectionStrategyType selection_strategy =
 816       WebSettings::SelectionStrategyType::Character;
 817   const std::string selection_strategy_str =
 818       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 819           switches::kTouchTextSelectionStrategy);
 820   if (selection_strategy_str == "direction")
 821     selection_strategy = WebSettings::SelectionStrategyType::Direction;
 822   webview()->settings()->setSelectionStrategy(selection_strategy);
 823
 824   // Set the main frame's name.  Only needs to be done for WebLocalFrames,
 825   // since the remote case was handled as part of SetReplicatedState on the
 826   // proxy above.
 827   if (!params.replicated_frame_state.name.empty() &&
 828       webview()->mainFrame()->isWebLocalFrame()) {
 829     webview()->mainFrame()->setName(
 830         blink::WebString::fromUTF8(params.replicated_frame_state.name));
 831   }
 832
 833   // TODO(davidben): Move this state from Blink into content.
 834   if (params.window_was_created_with_opener)
 835     webview()->setOpenedByDOM();
 836
 837   OnSetRendererPrefs(params.renderer_preferences);
 838
 839   ApplyBlinkSettings(command_line, webview()->settings());
 840
 841   if (!params.enable_auto_resize) {
 842     OnResize(params.initial_size);
 843   } else {
 844     OnEnableAutoResize(params.min_size, params.max_size);
 845   }
 846
 847   new MHTMLGenerator(this);
 848 #if defined(OS_MACOSX)
 849   new TextInputClientObserver(this);
 850 #endif  // defined(OS_MACOSX)
 851
 852   // The next group of objects all implement RenderViewObserver, so are deleted
 853   // along with the RenderView automatically.
 854   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 855
 856   history_controller_.reset(new HistoryController(this));
 857
 858   new IdleUserDetector(this);
 859
 860   if (command_line.HasSwitch(switches::kDomAutomationController))
 861     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 862   if (command_line.HasSwitch(switches::kStatsCollectionController))
 863     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 864
 865   GetContentClient()->renderer()->RenderViewCreated(this);
 866
 867   // If we have an opener_frame but we weren't created by a renderer, then it's
 868   // the browser asking us to set our opener to another frame.
 869   if (opener_frame && !was_created_by_renderer)
 870     webview()->mainFrame()->setOpener(opener_frame);
 871
 872   // If we are initially swapped out, navigate to kSwappedOutURL.
 873   // This ensures we are in a unique origin that others cannot script.
 874   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 875     main_render_frame_->NavigateToSwappedOutURL();
 876 }
 877
 878 RenderViewImpl::~RenderViewImpl() {
 879   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 880        it != disambiguation_bitmaps_.end();
 881        ++it)
 882     delete it->second;
 883
 884   // If file chooser is still waiting for answer, dispatch empty answer.
 885   while (!file_chooser_completions_.empty()) {
 886     if (file_chooser_completions_.front()->completion) {
 887       file_chooser_completions_.front()->completion->didChooseFile(
 888           WebVector<WebString>());
 889     }
 890     file_chooser_completions_.pop_front();
 891   }
 892
 893 #if defined(OS_ANDROID)
 894   // The date/time picker client is both a scoped_ptr member of this class and
 895   // a RenderViewObserver. Reset it to prevent double deletion.
 896   date_time_picker_client_.reset();
 897 #endif
 898
 899 #ifndef NDEBUG
 900   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 901   ViewMap* views = g_view_map.Pointer();
 902   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 903     DCHECK_NE(this, it->second) << "Failed to call Close?";
 904   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 905   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 906        it != routing_id_views->end(); ++it)
 907     DCHECK_NE(this, it->second) << "Failed to call Close?";
 908 #endif
 909
 910   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 911   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 912 }
 913
 914 /*static*/
 915 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 916   ViewMap* views = g_view_map.Pointer();
 917   ViewMap::iterator it = views->find(webview);
 918   return it == views->end() ? NULL : it->second;
 919 }
 920
 921 /*static*/
 922 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 923   return RenderViewImpl::FromWebView(webview);
 924 }
 925
 926 /*static*/
 927 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 928   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 929   RoutingIDViewMap::iterator it = views->find(routing_id);
 930   return it == views->end() ? NULL : it->second;
 931 }
 932
 933 /*static*/
 934 RenderView* RenderView::FromRoutingID(int routing_id) {
 935   return RenderViewImpl::FromRoutingID(routing_id);
 936 }
 937
 938 /* static */
 939 size_t RenderView::GetRenderViewCount() {
 940   return g_view_map.Get().size();
 941 }
 942
 943 /*static*/
 944 void RenderView::ForEach(RenderViewVisitor* visitor) {
 945   ViewMap* views = g_view_map.Pointer();
 946   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 947     if (!visitor->Visit(it->second))
 948       return;
 949   }
 950 }
 951
 952 /*static*/
 953 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 954                                      WebView* web_view) {
 955   WebSettings* settings = web_view->settings();
 956   ApplyFontsFromMap(prefs.standard_font_family_map,
 957                     SetStandardFontFamilyWrapper, settings);
 958   ApplyFontsFromMap(prefs.fixed_font_family_map,
 959                     SetFixedFontFamilyWrapper, settings);
 960   ApplyFontsFromMap(prefs.serif_font_family_map,
 961                     SetSerifFontFamilyWrapper, settings);
 962   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 963                     SetSansSerifFontFamilyWrapper, settings);
 964   ApplyFontsFromMap(prefs.cursive_font_family_map,
 965                     SetCursiveFontFamilyWrapper, settings);
 966   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 967                     SetFantasyFontFamilyWrapper, settings);
 968   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 969                     SetPictographFontFamilyWrapper, settings);
 970   settings->setDefaultFontSize(prefs.default_font_size);
 971   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 972   settings->setMinimumFontSize(prefs.minimum_font_size);
 973   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 974   settings->setDefaultTextEncodingName(
 975       base::ASCIIToUTF16(prefs.default_encoding));
 976   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 977   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 978   settings->setJavaScriptCanOpenWindowsAutomatically(
 979       prefs.javascript_can_open_windows_automatically);
 980   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 981   settings->setImagesEnabled(prefs.images_enabled);
 982   settings->setPluginsEnabled(prefs.plugins_enabled);
 983   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 984   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 985   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 986   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 987   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 988   settings->setJavaScriptCanAccessClipboard(
 989       prefs.javascript_can_access_clipboard);
 990   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 991   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 992   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 993   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 994   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 995   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 996   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 997   settings->setOfflineWebApplicationCacheEnabled(
 998       prefs.application_cache_enabled);
 999   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
1000   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
1001   settings->setCookieEnabled(prefs.cookie_enabled);
1002   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
1003
1004   settings->setJavaEnabled(prefs.java_enabled);
1005
1006   // By default, allow_universal_access_from_file_urls is set to false and thus
1007   // we mitigate attacks from local HTML files by not granting file:// URLs
1008   // universal access. Only test shell will enable this.
1009   settings->setAllowUniversalAccessFromFileURLs(
1010       prefs.allow_universal_access_from_file_urls);
1011   settings->setAllowFileAccessFromFileURLs(
1012       prefs.allow_file_access_from_file_urls);
1013
1014   // Enable the web audio API if requested on the command line.
1015   settings->setWebAudioEnabled(prefs.webaudio_enabled);
1016
1017   // Enable experimental WebGL support if requested on command line
1018   // and support is compiled in.
1019   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
1020
1021   // Disable GL multisampling if requested on command line.
1022   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
1023
1024   // Enable WebGL errors to the JS console if requested.
1025   settings->setWebGLErrorsToConsoleEnabled(
1026       prefs.webgl_errors_to_console_enabled);
1027
1028   // Uses the mock theme engine for scrollbars.
1029   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
1030
1031   // Enable gpu-accelerated 2d canvas if requested on the command line.
1032   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
1033
1034   settings->setMinimumAccelerated2dCanvasSize(
1035       prefs.minimum_accelerated_2d_canvas_size);
1036
1037   // Disable antialiasing for 2d canvas if requested on the command line.
1038   settings->setAntialiased2dCanvasEnabled(
1039       !prefs.antialiased_2d_canvas_disabled);
1040
1041   // Enabled antialiasing of clips for 2d canvas if requested on the command
1042   // line.
1043   settings->setAntialiasedClips2dCanvasEnabled(
1044       prefs.antialiased_clips_2d_canvas_enabled);
1045
1046   // Set MSAA sample count for 2d canvas if requested on the command line (or
1047   // default value if not).
1048   settings->setAccelerated2dCanvasMSAASampleCount(
1049       prefs.accelerated_2d_canvas_msaa_sample_count);
1050
1051   WebRuntimeFeatures::enableTextBlobs(prefs.text_blobs_enabled);
1052
1053   settings->setAsynchronousSpellCheckingEnabled(
1054       prefs.asynchronous_spell_checking_enabled);
1055   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1056
1057   // Tabs to link is not part of the settings. WebCore calls
1058   // ChromeClient::tabsToLinks which is part of the glue code.
1059   web_view->setTabsToLinks(prefs.tabs_to_links);
1060
1061   settings->setAllowDisplayOfInsecureContent(
1062       prefs.allow_displaying_insecure_content);
1063   settings->setAllowRunningOfInsecureContent(
1064       prefs.allow_running_insecure_content);
1065   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1066   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1067
1068   settings->setStrictlyBlockBlockableMixedContent(
1069       prefs.strictly_block_blockable_mixed_content);
1070
1071   settings->setStrictPowerfulFeatureRestrictions(
1072       prefs.strict_powerful_feature_restrictions);
1073   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1074   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1075   settings->setShouldClearDocumentBackground(
1076       prefs.should_clear_document_background);
1077   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1078
1079   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1080   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1081   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1082   settings->setPrimaryPointerType(
1083       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1084   settings->setAvailableHoverTypes(prefs.available_hover_types);
1085   settings->setPrimaryHoverType(
1086       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1087   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1088   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1089   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1090   settings->setMultiTargetTapNotificationEnabled(
1091       switches::IsLinkDisambiguationPopupEnabled());
1092
1093   WebRuntimeFeatures::enableImageColorProfiles(
1094       prefs.image_color_profiles_enabled);
1095   settings->setShouldRespectImageOrientation(
1096       prefs.should_respect_image_orientation);
1097
1098   settings->setUnsafePluginPastingEnabled(false);
1099   settings->setEditingBehavior(
1100       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1101
1102   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1103
1104   settings->setInvertViewportScrollOrder(prefs.invert_viewport_scroll_order);
1105   settings->setViewportEnabled(prefs.viewport_enabled);
1106   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1107   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1108   settings->setMainFrameResizesAreOrientationChanges(
1109       prefs.main_frame_resizes_are_orientation_changes);
1110
1111   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1112
1113   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1114
1115   settings->setSelectionIncludesAltImageText(true);
1116
1117   settings->setV8CacheOptions(
1118       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1119
1120   settings->setImageAnimationPolicy(
1121       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1122
1123   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1124   web_view->setDefaultPageScaleLimits(
1125       prefs.default_minimum_page_scale_factor,
1126       prefs.default_maximum_page_scale_factor);
1127
1128 #if defined(OS_ANDROID)
1129   settings->setAllowCustomScrollbarInMainFrame(false);
1130   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1131   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1132   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1133   settings->setFullscreenSupported(prefs.fullscreen_supported);
1134   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1135   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1136   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1137   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1138   settings->setMediaPlaybackRequiresUserGesture(
1139       prefs.user_gesture_required_for_media_playback);
1140   settings->setDefaultVideoPosterURL(
1141         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1142   settings->setSupportDeprecatedTargetDensityDPI(
1143       prefs.support_deprecated_target_density_dpi);
1144   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1145       prefs.use_legacy_background_size_shorthand_behavior);
1146   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1147   settings->setUseWideViewport(prefs.use_wide_viewport);
1148   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1149   settings->setViewportMetaLayoutSizeQuirk(
1150       prefs.viewport_meta_layout_size_quirk);
1151   settings->setViewportMetaMergeContentQuirk(
1152       prefs.viewport_meta_merge_content_quirk);
1153   settings->setViewportMetaNonUserScalableQuirk(
1154       prefs.viewport_meta_non_user_scalable_quirk);
1155   settings->setViewportMetaZeroValuesQuirk(
1156       prefs.viewport_meta_zero_values_quirk);
1157   settings->setClobberUserAgentInitialScaleQuirk(
1158       prefs.clobber_user_agent_initial_scale_quirk);
1159   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1160       prefs.ignore_main_frame_overflow_hidden_quirk);
1161   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1162       prefs.report_screen_size_in_physical_pixels_quirk);
1163
1164   bool record_full_layer =
1165       RenderViewImpl::FromWebView(web_view)
1166           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1167           : false;
1168   settings->setMainFrameClipsContent(!record_full_layer);
1169
1170   settings->setShrinksViewportContentToFit(true);
1171   settings->setUseMobileViewportStyle(true);
1172 #endif
1173
1174   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1175   WebNetworkStateNotifier::setWebConnectionType(
1176       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1177
1178   settings->setPinchOverlayScrollbarThickness(
1179       prefs.pinch_overlay_scrollbar_thickness);
1180   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1181
1182   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
1183
1184 #if defined(OS_MACOSX)
1185   settings->setDoubleTapToZoomEnabled(true);
1186   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1187 #endif
1188
1189 #if !defined(OS_ANDROID) && !defined(OS_MACOSX)
1190   // On platforms where the pinch viewport and the layout viewport can
1191   // both show scrollbars, hide pinch scrollbars when we are near minimum
1192   // page scale. (See http://crbug.com/446411 and http://crbug.com/515746.)
1193   settings->setHidePinchScrollbarsNearMinScale(true);
1194 #endif
1195 }
1196
1197 /*static*/
1198 RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
1199                                        const ViewMsg_New_Params& params,
1200                                        bool was_created_by_renderer) {
1201   DCHECK(params.view_id != MSG_ROUTING_NONE);
1202   RenderViewImpl* render_view = NULL;
1203   if (g_create_render_view_impl)
1204     render_view = g_create_render_view_impl(compositor_deps, params);
1205   else
1206     render_view = new RenderViewImpl(compositor_deps, params);
1207
1208   render_view->Initialize(params, was_created_by_renderer);
1209   return render_view;
1210 }
1211
1212 // static
1213 void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
1214     *create_render_view_impl)(CompositorDependencies* compositor_deps,
1215                               const ViewMsg_New_Params&)) {
1216   CHECK(!g_create_render_view_impl);
1217   g_create_render_view_impl = create_render_view_impl;
1218 }
1219
1220 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1221   observers_.AddObserver(observer);
1222 }
1223
1224 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1225   observer->RenderViewGone();
1226   observers_.RemoveObserver(observer);
1227 }
1228
1229 blink::WebView* RenderViewImpl::webview() const {
1230   return static_cast<blink::WebView*>(webwidget());
1231 }
1232
1233 #if defined(ENABLE_PLUGINS)
1234 void RenderViewImpl::PepperInstanceCreated(
1235     PepperPluginInstanceImpl* instance) {
1236   active_pepper_instances_.insert(instance);
1237
1238   RenderFrameImpl* const render_frame = instance->render_frame();
1239   render_frame->Send(
1240       new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
1241 }
1242
1243 void RenderViewImpl::PepperInstanceDeleted(
1244     PepperPluginInstanceImpl* instance) {
1245   active_pepper_instances_.erase(instance);
1246
1247   if (pepper_last_mouse_event_target_ == instance)
1248     pepper_last_mouse_event_target_ = NULL;
1249   if (focused_pepper_plugin_ == instance)
1250     PepperFocusChanged(instance, false);
1251
1252   RenderFrameImpl* const render_frame = instance->render_frame();
1253   if (render_frame)
1254     render_frame->Send(
1255         new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
1256 }
1257
1258 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1259                                         bool focused) {
1260   if (focused)
1261     focused_pepper_plugin_ = instance;
1262   else if (focused_pepper_plugin_ == instance)
1263     focused_pepper_plugin_ = NULL;
1264
1265   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
1266   UpdateSelectionBounds();
1267 }
1268
1269 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1270   plugin_delegates_.insert(delegate);
1271   // If the renderer is visible, set initial visibility and focus state.
1272   if (!is_hidden()) {
1273 #if defined(OS_MACOSX)
1274     delegate->SetContainerVisibility(true);
1275     if (webview() && webview()->isActive())
1276       delegate->SetWindowFocus(true);
1277 #endif
1278   }
1279   // Plugins start assuming the content has focus (so that they work in
1280   // environments where RenderView isn't hosting them), so we always have to
1281   // set the initial state. See webplugin_delegate_impl.h for details.
1282   delegate->SetContentAreaFocus(has_focus());
1283 }
1284
1285 void RenderViewImpl::UnregisterPluginDelegate(
1286     WebPluginDelegateProxy* delegate) {
1287   plugin_delegates_.erase(delegate);
1288 }
1289
1290 #if defined(OS_WIN)
1291 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1292   if (focused)
1293     focused_plugin_id_ = plugin_id;
1294   else
1295     focused_plugin_id_ = -1;
1296 }
1297 #endif
1298
1299 #if defined(OS_MACOSX)
1300 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1301   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1302 }
1303
1304 void RenderViewImpl::OnGetRenderedText() {
1305   if (!webview())
1306     return;
1307   // Get rendered text from WebLocalFrame.
1308   // TODO: Currently IPC truncates any data that has a
1309   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1310   // send back using multiple IPC. See http://crbug.com/393444.
1311   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1312   std::string text = webview()->mainFrame()->contentAsText(
1313       kMaximumMessageSize).utf8();
1314
1315   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1316 }
1317
1318 void RenderViewImpl::StartPluginIme() {
1319   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1320   // This message can be sent during event-handling, and needs to be delivered
1321   // within that context.
1322   msg->set_unblock(true);
1323   Send(msg);
1324 }
1325 #endif  // defined(OS_MACOSX)
1326
1327 #endif  // ENABLE_PLUGINS
1328
1329 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1330     const blink::WebActiveWheelFlingParameters& params) {
1331   if (webview())
1332     webview()->transferActiveWheelFlingAnimation(params);
1333 }
1334
1335 bool RenderViewImpl::HasIMETextFocus() {
1336   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1337 }
1338
1339 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1340   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1341   if (main_frame && main_frame->isWebLocalFrame())
1342     GetContentClient()->SetActiveURL(main_frame->document().url());
1343
1344   base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
1345   RenderViewObserver* observer;
1346   while ((observer = it.GetNext()) != NULL)
1347     if (observer->OnMessageReceived(message))
1348       return true;
1349
1350   bool handled = true;
1351   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1352     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1353     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1354     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1355                         OnScrollFocusedEditableNodeIntoRect)
1356     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1357                         OnSetEditCommandsForNextKeyEvent)
1358     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1359     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1360     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1361     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1362     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageScale, OnResetPageScale)
1363     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1364     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1365                         OnSetZoomLevelForLoadingURL)
1366     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1367                         OnSetZoomLevelForView)
1368     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1369     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1370                         OnResetPageEncodingToDefault)
1371     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1372     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1373     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1374     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1375     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1376     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1377                         OnDragSourceSystemDragEnded)
1378     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1379     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1380     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1381     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1382     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1383                         OnEnumerateDirectoryResponse)
1384     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1385     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1386                         OnSuppressDialogsUntilSwapOut)
1387     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1388     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1389     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1390     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1391     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1392     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1393                         OnEnablePreferredSizeChangedMode)
1394     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1395     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1396     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1397                         OnDisableScrollbarsForSmallWindows)
1398     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1399     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1400     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1401     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1402     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1403                         OnGetAllSavableResourceLinksForCurrentPage)
1404     IPC_MESSAGE_HANDLER(
1405         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1406         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1407     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1408     // TODO(viettrungluu): Move to a separate message filter.
1409     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1410                         OnSetHistoryOffsetAndLength)
1411     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1412     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1413                         OnReleaseDisambiguationPopupBitmap)
1414     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1415     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1416 #if defined(OS_ANDROID)
1417     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1418                         OnActivateNearestFindResult)
1419     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1420     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1421                         OnUpdateTopControlsState)
1422     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1423 #elif defined(OS_MACOSX)
1424     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1425                         OnGetRenderedText)
1426     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1427                         OnPluginImeCompositionCompleted)
1428     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
1429     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1430     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1431     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1432 #endif
1433     // Adding a new message? Add platform independent ones first, then put the
1434     // platform specific ones at the end.
1435
1436     // Have the super handle all other messages.
1437     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1438   IPC_END_MESSAGE_MAP()
1439
1440   return handled;
1441 }
1442
1443 void RenderViewImpl::OnSelectWordAroundCaret() {
1444   if (!webview())
1445     return;
1446
1447   handling_input_event_ = true;
1448   webview()->focusedFrame()->selectWordAroundCaret();
1449   handling_input_event_ = false;
1450 }
1451
1452 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1453   webview()->copyImageAt(WebPoint(x, y));
1454 }
1455
1456 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1457   webview()->saveImageAt(WebPoint(x, y));
1458 }
1459
1460 void RenderViewImpl::OnUpdateTargetURLAck() {
1461   // Check if there is a targeturl waiting to be sent.
1462   if (target_url_status_ == TARGET_PENDING)
1463     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1464
1465   target_url_status_ = TARGET_NONE;
1466 }
1467
1468 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1469     const std::string& value) {
1470   if (!webview() || !webview()->focusedFrame())
1471     return;
1472
1473   webview()->focusedFrame()->executeCommand(
1474       WebString::fromUTF8(name), WebString::fromUTF8(value));
1475 }
1476
1477 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1478   if (!webview())
1479     return;
1480
1481   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1482
1483   webview()->focusedFrame()->moveCaretSelection(point);
1484 }
1485
1486 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1487     const gfx::Rect& rect) {
1488   if (has_scrolled_focused_editable_node_into_rect_ &&
1489       rect == rect_for_scrolled_focused_editable_node_) {
1490     FocusChangeComplete();
1491     return;
1492   }
1493
1494   blink::WebElement element = GetFocusedElement();
1495   bool will_animate = false;
1496   if (!element.isNull() && IsEditableNode(element)) {
1497     rect_for_scrolled_focused_editable_node_ = rect;
1498     has_scrolled_focused_editable_node_into_rect_ = true;
1499     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1500   }
1501
1502   if (!will_animate)
1503     FocusChangeComplete();
1504 }
1505
1506 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1507     const EditCommands& edit_commands) {
1508   edit_commands_ = edit_commands;
1509 }
1510
1511 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1512                                                  int history_length) {
1513   DCHECK_GE(history_offset, -1);
1514   DCHECK_GE(history_length, 0);
1515
1516   history_list_offset_ = history_offset;
1517   history_list_length_ = history_length;
1518 }
1519
1520 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1521   if (!webview())
1522     return;
1523   webview()->setInitialFocus(reverse);
1524 }
1525
1526 #if defined(OS_MACOSX)
1527 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1528   if (!webview())
1529     return;
1530   if (in_live_resize)
1531     webview()->willStartLiveResize();
1532   else
1533     webview()->willEndLiveResize();
1534 }
1535 #endif
1536
1537 ///////////////////////////////////////////////////////////////////////////////
1538
1539 void RenderViewImpl::SendUpdateState() {
1540   HistoryEntry* entry = history_controller_->GetCurrentEntry();
1541   if (!entry)
1542     return;
1543
1544   // Don't send state updates for kSwappedOutURL.
1545   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1546     return;
1547
1548   Send(new ViewHostMsg_UpdateState(
1549       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1550 }
1551
1552 void RenderViewImpl::ApplyWebPreferencesInternal(
1553     const WebPreferences& prefs,
1554     blink::WebView* web_view,
1555     CompositorDependencies* compositor_deps) {
1556   ApplyWebPreferences(prefs, web_view);
1557 #if defined(OS_MACOSX) && !defined(OS_IOS)
1558   DCHECK(compositor_deps);
1559   bool is_elastic_overscroll_enabled =
1560       compositor_deps->IsElasticOverscrollEnabled();
1561   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
1562 #endif
1563 }
1564
1565 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1566   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1567   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1568   // it is particularly important that we do not call willEnterModalLoop as
1569   // that would defer resource loads for the dialog itself.
1570   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1571     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1572
1573   message->EnableMessagePumping();  // Runs a nested message loop.
1574   return Send(message);
1575 }
1576
1577 void RenderViewImpl::OnForceRedraw(int id) {
1578   ui::LatencyInfo latency_info;
1579   if (id) {
1580     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1581                                   0,
1582                                   id);
1583   }
1584   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1585   if (RenderWidgetCompositor* rwc = compositor()) {
1586     latency_info_swap_promise_monitor =
1587         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1588   }
1589   ScheduleCompositeWithForcedRedraw();
1590 }
1591
1592 // blink::WebViewClient ------------------------------------------------------
1593
1594 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1595                                     const WebURLRequest& request,
1596                                     const WebWindowFeatures& features,
1597                                     const WebString& frame_name,
1598                                     WebNavigationPolicy policy,
1599                                     bool suppress_opener) {
1600   ViewHostMsg_CreateWindow_Params params;
1601   params.opener_id = routing_id_;
1602   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1603   if (GetContentClient()->renderer()->AllowPopup())
1604     params.user_gesture = true;
1605   params.window_container_type = WindowFeaturesToContainerType(features);
1606   params.session_storage_namespace_id = session_storage_namespace_id_;
1607   if (frame_name != "_blank")
1608     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
1609   params.opener_render_frame_id =
1610       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1611   params.opener_url = creator->document().url();
1612
1613   // The browser process uses the top frame's URL for a content settings check
1614   // to determine whether the popup is allowed.  If the top frame is remote,
1615   // its URL is not available, so use its replicated origin instead.
1616   //
1617   // TODO(alexmos): This works fine for regular origins but may break path
1618   // matching for file URLs with OOP subframes that open popups.  This should
1619   // be fixed by either moving this lookup to the browser process or removing
1620   // path-based matching for file URLs from content settings.  See
1621   // https://crbug.com/466297.
1622   if (creator->top()->isWebLocalFrame()) {
1623     params.opener_top_level_frame_url = creator->top()->document().url();
1624   } else {
1625     params.opener_top_level_frame_url =
1626         GURL(creator->top()->securityOrigin().toString());
1627   }
1628
1629   GURL security_url(creator->document().securityOrigin().toString());
1630   if (!security_url.is_valid())
1631     security_url = GURL();
1632   params.opener_security_origin = security_url;
1633   params.opener_suppressed = suppress_opener;
1634   params.disposition = NavigationPolicyToDisposition(policy);
1635   if (!request.isNull()) {
1636     params.target_url = request.url();
1637     params.referrer = GetReferrerFromRequest(creator, request);
1638   }
1639   params.features = features;
1640
1641   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1642     params.additional_features.push_back(features.additionalFeatures[i]);
1643
1644   int32 routing_id = MSG_ROUTING_NONE;
1645   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1646   int32 surface_id = 0;
1647   int64 cloned_session_storage_namespace_id = 0;
1648
1649   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1650       params, &routing_id, &main_frame_routing_id, &surface_id,
1651       &cloned_session_storage_namespace_id));
1652   if (routing_id == MSG_ROUTING_NONE)
1653     return NULL;
1654
1655   WebUserGestureIndicator::consumeUserGesture();
1656
1657   // While this view may be a background extension page, it can spawn a visible
1658   // render view. So we just assume that the new one is not another background
1659   // page instead of passing on our own value.
1660   // TODO(vangelis): Can we tell if the new view will be a background page?
1661   bool never_visible = false;
1662
1663   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1664   initial_size.screen_info = screen_info_;
1665
1666   // The initial hidden state for the RenderViewImpl here has to match what the
1667   // browser will eventually decide for the given disposition. Since we have to
1668   // return from this call synchronously, we just have to make our best guess
1669   // and rely on the browser sending a WasHidden / WasShown message if it
1670   // disagrees.
1671   ViewMsg_New_Params view_params;
1672
1673   RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
1674   view_params.opener_frame_route_id = creator_frame->GetRoutingID();
1675   DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
1676
1677   view_params.window_was_created_with_opener = true;
1678   view_params.renderer_preferences = renderer_preferences_;
1679   view_params.web_preferences = webkit_preferences_;
1680   view_params.view_id = routing_id;
1681   view_params.main_frame_routing_id = main_frame_routing_id;
1682   view_params.surface_id = surface_id;
1683   view_params.session_storage_namespace_id =
1684       cloned_session_storage_namespace_id;
1685   view_params.swapped_out = false;
1686   // WebCore will take care of setting the correct name.
1687   view_params.replicated_frame_state = FrameReplicationState();
1688   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1689   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1690   view_params.never_visible = never_visible;
1691   view_params.next_page_id = 1;
1692   view_params.initial_size = initial_size;
1693   view_params.enable_auto_resize = false;
1694   view_params.min_size = gfx::Size();
1695   view_params.max_size = gfx::Size();
1696
1697   RenderViewImpl* view =
1698       RenderViewImpl::Create(compositor_deps_, view_params, true);
1699   view->opened_by_user_gesture_ = params.user_gesture;
1700
1701   // Record whether the creator frame is trying to suppress the opener field.
1702   view->opener_suppressed_ = params.opener_suppressed;
1703
1704   return view->webview();
1705 }
1706
1707 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1708   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1709                                               popup_type, screen_info_);
1710   if (!widget)
1711     return NULL;
1712   if (screen_metrics_emulator_) {
1713     widget->SetPopupOriginAdjustmentsForEmulation(
1714         screen_metrics_emulator_.get());
1715   }
1716   return widget->webwidget();
1717 }
1718
1719 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1720   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1721   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1722 }
1723
1724 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1725   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1726                     PrintPage(frame, handling_input_event_));
1727 }
1728
1729 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1730   // Note: We should basically send GURL but we use size-limited string instead
1731   // in order to send a larger data url to save a image for <canvas> or <img>.
1732   if (data_url.length() < kMaxLengthOfDataURLString)
1733     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1734 }
1735
1736 bool RenderViewImpl::enumerateChosenDirectory(
1737     const WebString& path,
1738     WebFileChooserCompletion* chooser_completion) {
1739   int id = enumeration_completion_id_++;
1740   enumeration_completions_[id] = chooser_completion;
1741   return Send(new ViewHostMsg_EnumerateDirectory(
1742       routing_id_,
1743       id,
1744       base::FilePath::FromUTF16Unsafe(path)));
1745 }
1746
1747 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1748   DCHECK_GE(frames_in_progress_, 0);
1749   if (frames_in_progress_ == 0)
1750     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1751   frames_in_progress_++;
1752 }
1753
1754 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1755   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1756   // calls DidStopLoading() without a matching DidStartLoading().
1757   if (frames_in_progress_ == 0)
1758     return;
1759   frames_in_progress_--;
1760   if (frames_in_progress_ == 0) {
1761     DidStopLoadingIcons();
1762     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1763   }
1764 }
1765
1766 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1767   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1768 }
1769
1770 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1771   if (edit_commands_.empty())
1772     return false;
1773
1774   WebFrame* frame = webview()->focusedFrame();
1775   if (!frame)
1776     return false;
1777
1778   EditCommands::iterator it = edit_commands_.begin();
1779   EditCommands::iterator end = edit_commands_.end();
1780
1781   bool did_execute_command = false;
1782   for (; it != end; ++it) {
1783     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1784     // key (but it's the exception). Once one edit command is not executed, it
1785     // seems safest to not execute the rest.
1786     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1787                                WebString::fromUTF8(it->value),
1788                                GetFocusedElement()))
1789       break;
1790     did_execute_command = true;
1791   }
1792
1793   return did_execute_command;
1794 }
1795
1796 bool RenderViewImpl::runFileChooser(
1797     const blink::WebFileChooserParams& params,
1798     WebFileChooserCompletion* chooser_completion) {
1799   // Do not open the file dialog in a hidden RenderView.
1800   if (is_hidden())
1801     return false;
1802   FileChooserParams ipc_params;
1803   if (params.directory)
1804     ipc_params.mode = FileChooserParams::UploadFolder;
1805   else if (params.multiSelect)
1806     ipc_params.mode = FileChooserParams::OpenMultiple;
1807   else if (params.saveAs)
1808     ipc_params.mode = FileChooserParams::Save;
1809   else
1810     ipc_params.mode = FileChooserParams::Open;
1811   ipc_params.title = params.title;
1812   ipc_params.default_file_name =
1813       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1814   ipc_params.accept_types.reserve(params.acceptTypes.size());
1815   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1816     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1817   ipc_params.need_local_path = params.needLocalPath;
1818 #if defined(OS_ANDROID)
1819   ipc_params.capture = params.useMediaCapture;
1820 #endif
1821
1822   return ScheduleFileChooser(ipc_params, chooser_completion);
1823 }
1824
1825 void RenderViewImpl::SetValidationMessageDirection(
1826     base::string16* wrapped_main_text,
1827     blink::WebTextDirection main_text_hint,
1828     base::string16* wrapped_sub_text,
1829     blink::WebTextDirection sub_text_hint) {
1830   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1831     *wrapped_main_text =
1832         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1833   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1834              !base::i18n::IsRTL()) {
1835     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1836   }
1837
1838   if (!wrapped_sub_text->empty()) {
1839     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1840       *wrapped_sub_text =
1841           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1842     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1843       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1844     }
1845   }
1846 }
1847
1848 void RenderViewImpl::showValidationMessage(
1849     const blink::WebRect& anchor_in_root_view,
1850     const blink::WebString& main_text,
1851     blink::WebTextDirection main_text_hint,
1852     const blink::WebString& sub_text,
1853     blink::WebTextDirection sub_text_hint) {
1854   base::string16 wrapped_main_text = main_text;
1855   base::string16 wrapped_sub_text = sub_text;
1856
1857   SetValidationMessageDirection(
1858       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1859
1860   Send(new ViewHostMsg_ShowValidationMessage(
1861       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1862       wrapped_main_text, wrapped_sub_text));
1863 }
1864
1865 void RenderViewImpl::hideValidationMessage() {
1866   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1867 }
1868
1869 void RenderViewImpl::moveValidationMessage(
1870     const blink::WebRect& anchor_in_root_view) {
1871   Send(new ViewHostMsg_MoveValidationMessage(
1872       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1873 }
1874
1875 void RenderViewImpl::setStatusText(const WebString& text) {
1876 }
1877
1878 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1879                                      const GURL& fallback_url) {
1880   GURL latest_url = url.is_empty() ? fallback_url : url;
1881   if (latest_url == target_url_)
1882     return;
1883
1884   // Tell the browser to display a destination link.
1885   if (target_url_status_ == TARGET_INFLIGHT ||
1886       target_url_status_ == TARGET_PENDING) {
1887     // If we have a request in-flight, save the URL to be sent when we
1888     // receive an ACK to the in-flight request. We can happily overwrite
1889     // any existing pending sends.
1890     pending_target_url_ = latest_url;
1891     target_url_status_ = TARGET_PENDING;
1892   } else {
1893     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1894     // see |ParamTraits<GURL>|.
1895     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1896       latest_url = GURL();
1897     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1898     target_url_ = latest_url;
1899     target_url_status_ = TARGET_INFLIGHT;
1900   }
1901 }
1902
1903 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1904     const gfx::RectF& rect) const {
1905   gfx::RectF window_rect = rect;
1906   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1907   return window_rect;
1908 }
1909
1910 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1911   int delay;
1912   if (send_content_state_immediately_)
1913     delay = 0;
1914   else if (is_hidden())
1915     delay = kDelaySecondsForContentStateSyncHidden;
1916   else
1917     delay = kDelaySecondsForContentStateSync;
1918
1919   if (nav_state_sync_timer_.IsRunning()) {
1920     // The timer is already running. If the delay of the timer maches the amount
1921     // we want to delay by, then return. Otherwise stop the timer so that it
1922     // gets started with the right delay.
1923     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1924       return;
1925     nav_state_sync_timer_.Stop();
1926   }
1927
1928   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1929                               &RenderViewImpl::SendUpdateState);
1930 }
1931
1932 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1933   mouse_over_url_ = GURL(url);
1934   UpdateTargetURL(mouse_over_url_, focus_url_);
1935 }
1936
1937 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1938   focus_url_ = GURL(url);
1939   UpdateTargetURL(focus_url_, mouse_over_url_);
1940 }
1941
1942 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1943                                    const WebDragData& data,
1944                                    WebDragOperationsMask mask,
1945                                    const WebImage& image,
1946                                    const WebPoint& webImageOffset) {
1947   DropData drop_data(DropDataBuilder::Build(data));
1948   drop_data.referrer_policy = frame->document().referrerPolicy();
1949   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1950   Send(new DragHostMsg_StartDragging(routing_id_,
1951                                      drop_data,
1952                                      mask,
1953                                      image.getSkBitmap(),
1954                                      imageOffset,
1955                                      possible_drag_event_info_));
1956 }
1957
1958 bool RenderViewImpl::acceptsLoadDrops() {
1959   return renderer_preferences_.can_accept_load_drops;
1960 }
1961
1962 void RenderViewImpl::focusNext() {
1963   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1964 }
1965
1966 void RenderViewImpl::focusPrevious() {
1967   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1968 }
1969
1970 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1971                                         const WebNode& toNode) {
1972   has_scrolled_focused_editable_node_into_rect_ = false;
1973
1974   gfx::Rect node_bounds;
1975   if (!toNode.isNull() && toNode.isElementNode()) {
1976     WebNode web_node = const_cast<WebNode&>(toNode);
1977     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1978   }
1979   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1980                                           node_bounds));
1981
1982   // TODO(estade): remove.
1983   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1984
1985   RenderFrameImpl* previous_frame = nullptr;
1986   if (!fromNode.isNull())
1987     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1988   RenderFrameImpl* new_frame = nullptr;
1989   if (!toNode.isNull())
1990     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1991
1992   if (previous_frame && previous_frame != new_frame)
1993     previous_frame->FocusedNodeChanged(WebNode());
1994   if (new_frame)
1995     new_frame->FocusedNodeChanged(toNode);
1996
1997   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1998   GetMainRenderFrame()->FocusedNodeChangedForAccessibility(toNode);
1999 }
2000
2001 void RenderViewImpl::didUpdateLayout() {
2002   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
2003
2004   // We don't always want to set up a timer, only if we've been put in that
2005   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2006   // message.
2007   if (!send_preferred_size_changes_ || !webview())
2008     return;
2009
2010   if (check_preferred_size_timer_.IsRunning())
2011     return;
2012   check_preferred_size_timer_.Start(FROM_HERE,
2013                                     TimeDelta::FromMilliseconds(0), this,
2014                                     &RenderViewImpl::CheckPreferredSize);
2015 }
2016
2017 void RenderViewImpl::navigateBackForwardSoon(int offset) {
2018   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
2019 }
2020
2021 int RenderViewImpl::historyBackListCount() {
2022   return history_list_offset_ < 0 ? 0 : history_list_offset_;
2023 }
2024
2025 int RenderViewImpl::historyForwardListCount() {
2026   return history_list_length_ - historyBackListCount() - 1;
2027 }
2028
2029 // blink::WebWidgetClient ----------------------------------------------------
2030
2031 void RenderViewImpl::didFocus() {
2032   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
2033   //                 we won't have to test for user gesture anymore and we can
2034   //                 move that code back to render_widget.cc
2035   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2036       !RenderThreadImpl::current()->layout_test_mode()) {
2037     Send(new ViewHostMsg_Focus(routing_id_));
2038   }
2039 }
2040
2041 void RenderViewImpl::didBlur() {
2042   // TODO(jcivelli): see TODO above in didFocus().
2043   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2044       !RenderThreadImpl::current()->layout_test_mode()) {
2045     Send(new ViewHostMsg_Blur(routing_id_));
2046   }
2047 }
2048
2049 // We are supposed to get a single call to Show for a newly created RenderView
2050 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2051 // point to dispatch the ShowView message.
2052 //
2053 // This method provides us with the information about how to display the newly
2054 // created RenderView (i.e., as a blocked popup or as a new tab).
2055 //
2056 void RenderViewImpl::show(WebNavigationPolicy policy) {
2057   if (did_show_) {
2058     // When supports_multiple_windows is disabled, popups are reusing
2059     // the same view. In some scenarios, this makes WebKit to call show() twice.
2060     if (webkit_preferences_.supports_multiple_windows)
2061       NOTREACHED() << "received extraneous Show call";
2062     return;
2063   }
2064   did_show_ = true;
2065
2066   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2067
2068   // NOTE: initial_rect_ may still have its default values at this point, but
2069   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2070   // browser process will impose a default position otherwise.
2071   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2072       NavigationPolicyToDisposition(policy), initial_rect_,
2073       opened_by_user_gesture_));
2074   SetPendingWindowRect(initial_rect_);
2075 }
2076
2077 bool RenderViewImpl::requestPointerLock() {
2078   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2079 }
2080
2081 void RenderViewImpl::requestPointerUnlock() {
2082   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2083 }
2084
2085 bool RenderViewImpl::isPointerLocked() {
2086   return mouse_lock_dispatcher_->IsMouseLockedTo(
2087       webwidget_mouse_lock_target_.get());
2088 }
2089
2090 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2091   FOR_EACH_OBSERVER(
2092       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2093 }
2094
2095 void RenderViewImpl::didHandleGestureEvent(
2096     const WebGestureEvent& event,
2097     bool event_cancelled) {
2098   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2099
2100   if (!event_cancelled) {
2101     FOR_EACH_OBSERVER(
2102         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2103   }
2104
2105   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2106   // crbug/420130.
2107 #if defined(OS_WIN)
2108   if (event.type != blink::WebGestureEvent::GestureTap)
2109     return;
2110
2111   // TODO(estade): hit test the event against focused node to make sure
2112   // the tap actually hit the focused node.
2113   blink::WebTextInputType text_input_type =
2114       GetWebView()->textInputInfo().type;
2115
2116   Send(new ViewHostMsg_FocusedNodeTouched(
2117       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2118 #endif
2119 }
2120
2121 void RenderViewImpl::initializeLayerTreeView() {
2122   RenderWidget::initializeLayerTreeView();
2123   RenderWidgetCompositor* rwc = compositor();
2124   if (!rwc)
2125     return;
2126
2127   bool use_threaded_event_handling = true;
2128 #if defined(OS_MACOSX) && !defined(OS_IOS)
2129   // Disable threaded event handling if content is not handling the elastic
2130   // overscroll effect. This includes the cases where the elastic overscroll
2131   // effect is being handled by Blink (because of command line flags) and older
2132   // operating system versions which do not have an elastic overscroll effect
2133   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2134   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2135 #endif
2136   if (use_threaded_event_handling) {
2137     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2138     // render_thread may be NULL in tests.
2139     InputHandlerManager* input_handler_manager =
2140         render_thread ? render_thread->input_handler_manager() : NULL;
2141     if (input_handler_manager) {
2142       input_handler_manager->AddInputHandler(
2143           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2144     }
2145   }
2146 }
2147
2148 // blink::WebFrameClient -----------------------------------------------------
2149
2150 void RenderViewImpl::Repaint(const gfx::Size& size) {
2151   OnRepaint(size);
2152 }
2153
2154 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2155                                                    const std::string& value) {
2156   EditCommands edit_commands;
2157   edit_commands.push_back(EditCommand(name, value));
2158   OnSetEditCommandsForNextKeyEvent(edit_commands);
2159 }
2160
2161 void RenderViewImpl::ClearEditCommands() {
2162   edit_commands_.clear();
2163 }
2164
2165 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2166   std::string security_info;
2167   if (frame && frame->dataSource())
2168     security_info = frame->dataSource()->response().securityInfo();
2169
2170   SSLStatus result;
2171   CHECK(DeserializeSecurityInfo(security_info, &result));
2172   return result;
2173 }
2174
2175 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2176   return renderer_preferences_.accept_languages;
2177 }
2178
2179 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2180                                    WebIconURL::Type icon_type) {
2181   if (frame->parent())
2182     return;
2183
2184   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2185   std::vector<FaviconURL> urls;
2186   for (size_t i = 0; i < icon_urls.size(); i++) {
2187     std::vector<gfx::Size> sizes;
2188     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2189     urls.push_back(FaviconURL(
2190         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2191   }
2192   SendUpdateFaviconURL(urls);
2193 }
2194
2195 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2196   StartNavStateSyncTimerIfNecessary();
2197 }
2198
2199 void RenderViewImpl::CheckPreferredSize() {
2200   // We don't always want to send the change messages over IPC, only if we've
2201   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2202   // message.
2203   if (!send_preferred_size_changes_ || !webview())
2204     return;
2205
2206   gfx::Size size = webview()->contentsPreferredMinimumSize();
2207   if (size == preferred_size_)
2208     return;
2209
2210   preferred_size_ = size;
2211   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2212                                                       preferred_size_));
2213 }
2214
2215 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2216   StartNavStateSyncTimerIfNecessary();
2217 }
2218
2219 void RenderViewImpl::SendFindReply(int request_id,
2220                                    int match_count,
2221                                    int ordinal,
2222                                    const WebRect& selection_rect,
2223                                    bool final_status_update) {
2224   Send(new ViewHostMsg_Find_Reply(routing_id_,
2225                                   request_id,
2226                                   match_count,
2227                                   selection_rect,
2228                                   ordinal,
2229                                   final_status_update));
2230 }
2231
2232 blink::WebString RenderViewImpl::acceptLanguages() {
2233   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2234 }
2235
2236 // blink::WebPageSerializerClient implementation ------------------------------
2237
2238 void RenderViewImpl::didSerializeDataForFrame(
2239     const WebURL& frame_url,
2240     const WebCString& data,
2241     WebPageSerializerClient::PageSerializationStatus status) {
2242   Send(new ViewHostMsg_SendSerializedHtmlData(
2243     routing_id(),
2244     frame_url,
2245     data.data(),
2246     static_cast<int32>(status)));
2247 }
2248
2249 // RenderView implementation ---------------------------------------------------
2250
2251 bool RenderViewImpl::Send(IPC::Message* message) {
2252   return RenderWidget::Send(message);
2253 }
2254
2255 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2256   return main_render_frame_;
2257 }
2258
2259 int RenderViewImpl::GetRoutingID() const {
2260   return routing_id_;
2261 }
2262
2263 gfx::Size RenderViewImpl::GetSize() const {
2264   return size();
2265 }
2266
2267 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2268   return webkit_preferences_;
2269 }
2270
2271 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2272   OnUpdateWebPreferences(preferences);
2273 }
2274
2275 blink::WebView* RenderViewImpl::GetWebView() {
2276   return webview();
2277 }
2278
2279 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2280   if (node.isNull())
2281     return false;
2282
2283   if (node.isContentEditable())
2284     return true;
2285
2286   if (node.isElementNode()) {
2287     const WebElement& element = node.toConst<WebElement>();
2288     if (element.isTextFormControlElement()) {
2289       if (!(element.hasAttribute("readonly") ||
2290             element.hasAttribute("disabled")))
2291         return true;
2292     }
2293
2294     return base::LowerCaseEqualsASCII(
2295         base::StringPiece16(element.getAttribute("role")), "textbox");
2296   }
2297
2298   return false;
2299 }
2300
2301 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2302   return (!send_preferred_size_changes_ ||
2303           (disable_scrollbars_size_limit_.width() <= width ||
2304            disable_scrollbars_size_limit_.height() <= height));
2305 }
2306
2307 int RenderViewImpl::GetEnabledBindings() const {
2308   return enabled_bindings_;
2309 }
2310
2311 bool RenderViewImpl::GetContentStateImmediately() const {
2312   return send_content_state_immediately_;
2313 }
2314
2315 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2316   return visibilityState();
2317 }
2318
2319 void RenderViewImpl::DidStartLoading() {
2320   main_render_frame_->didStartLoading(true);
2321 }
2322
2323 void RenderViewImpl::DidStopLoading() {
2324   main_render_frame_->didStopLoading();
2325 }
2326
2327 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2328   if (!webview())
2329     return WebElement();
2330   WebFrame* focused_frame = webview()->focusedFrame();
2331   if (focused_frame) {
2332     WebDocument doc = focused_frame->document();
2333     if (!doc.isNull())
2334       return doc.focusedElement();
2335   }
2336
2337   return WebElement();
2338 }
2339
2340 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2341   if (!webview())
2342     return NULL;
2343
2344   WebFrame* main_frame = webview()->mainFrame();
2345   if (main_frame->isWebLocalFrame() &&
2346       main_frame->document().isPluginDocument())
2347     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2348
2349 #if defined(ENABLE_PLUGINS)
2350   if (plugin_find_handler_)
2351     return plugin_find_handler_->container()->plugin();
2352 #endif
2353
2354   return NULL;
2355 }
2356
2357 void RenderViewImpl::OnFind(int request_id,
2358                             const base::string16& search_text,
2359                             const WebFindOptions& options) {
2360   WebFrame* main_frame = webview()->mainFrame();
2361   blink::WebPlugin* plugin = GetWebPluginForFind();
2362   // Check if the plugin still exists in the document.
2363   if (plugin) {
2364     if (options.findNext) {
2365       // Just navigate back/forward.
2366       plugin->selectFindResult(options.forward);
2367     } else {
2368       if (!plugin->startFind(
2369           search_text, options.matchCase, request_id)) {
2370         // Send "no results".
2371         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2372       }
2373     }
2374     return;
2375   }
2376
2377   WebFrame* frame_after_main = main_frame->traverseNext(true);
2378   WebFrame* focused_frame = webview()->focusedFrame();
2379   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2380
2381   bool multi_frame = (frame_after_main != main_frame);
2382
2383   // If we have multiple frames, we don't want to wrap the search within the
2384   // frame, so we check here if we only have main_frame in the chain.
2385   bool wrap_within_frame = !multi_frame;
2386
2387   WebRect selection_rect;
2388   bool result = false;
2389
2390   // If something is selected when we start searching it means we cannot just
2391   // increment the current match ordinal; we need to re-generate it.
2392   WebRange current_selection = focused_frame->selectionRange();
2393
2394   do {
2395     result = search_frame->find(
2396         request_id, search_text, options, wrap_within_frame, &selection_rect);
2397
2398     if (!result) {
2399       // don't leave text selected as you move to the next frame.
2400       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2401                                    GetFocusedElement());
2402
2403       // Find the next frame, but skip the invisible ones.
2404       do {
2405         // What is the next frame to search? (we might be going backwards). Note
2406         // that we specify wrap=true so that search_frame never becomes NULL.
2407         search_frame = options.forward ?
2408             search_frame->traverseNext(true) :
2409             search_frame->traversePrevious(true);
2410       } while (!search_frame->hasVisibleContent() &&
2411                search_frame != focused_frame);
2412
2413       // Make sure selection doesn't affect the search operation in new frame.
2414       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2415                                    GetFocusedElement());
2416
2417       // If we have multiple frames and we have wrapped back around to the
2418       // focused frame, we need to search it once more allowing wrap within
2419       // the frame, otherwise it will report 'no match' if the focused frame has
2420       // reported matches, but no frames after the focused_frame contain a
2421       // match for the search word(s).
2422       if (multi_frame && search_frame == focused_frame) {
2423         result = search_frame->find(
2424             request_id, search_text, options, true,  // Force wrapping.
2425             &selection_rect);
2426       }
2427     }
2428
2429     webview()->setFocusedFrame(search_frame);
2430   } while (!result && search_frame != focused_frame);
2431
2432   if (options.findNext && current_selection.isNull()) {
2433     // Force the main_frame to report the actual count.
2434     main_frame->increaseMatchCount(0, request_id);
2435   } else {
2436     // If nothing is found, set result to "0 of 0", otherwise, set it to
2437     // "-1 of 1" to indicate that we found at least one item, but we don't know
2438     // yet what is active.
2439     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2440     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2441
2442     // If we find no matches then this will be our last status update.
2443     // Otherwise the scoping effort will send more results.
2444     bool final_status_update = !result;
2445
2446     SendFindReply(request_id, match_count, ordinal, selection_rect,
2447                   final_status_update);
2448
2449     // Scoping effort begins, starting with the mainframe.
2450     search_frame = main_frame;
2451
2452     main_frame->resetMatchCount();
2453
2454     do {
2455       // Cancel all old scoping requests before starting a new one.
2456       search_frame->cancelPendingScopingEffort();
2457
2458       // We don't start another scoping effort unless at least one match has
2459       // been found.
2460       if (result) {
2461         // Start new scoping request. If the scoping function determines that it
2462         // needs to scope, it will defer until later.
2463         search_frame->scopeStringMatches(request_id,
2464                                          search_text,
2465                                          options,
2466                                          true);  // reset the tickmarks
2467       }
2468
2469       // Iterate to the next frame. The frame will not necessarily scope, for
2470       // example if it is not visible.
2471       search_frame = search_frame->traverseNext(true);
2472     } while (search_frame != main_frame);
2473   }
2474 }
2475
2476 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2477   WebView* view = webview();
2478   if (!view)
2479     return;
2480
2481   blink::WebPlugin* plugin = GetWebPluginForFind();
2482   if (plugin) {
2483     plugin->stopFind();
2484     return;
2485   }
2486
2487   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2488   if (clear_selection) {
2489     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2490                                          GetFocusedElement());
2491   }
2492
2493   WebFrame* frame = view->mainFrame();
2494   while (frame) {
2495     frame->stopFinding(clear_selection);
2496     frame = frame->traverseNext(false);
2497   }
2498
2499   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2500     WebFrame* focused_frame = view->focusedFrame();
2501     if (focused_frame) {
2502       WebDocument doc = focused_frame->document();
2503       if (!doc.isNull()) {
2504         WebElement element = doc.focusedElement();
2505         if (!element.isNull())
2506           element.simulateClick();
2507       }
2508     }
2509   }
2510 }
2511
2512 #if defined(OS_ANDROID)
2513 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2514                                                  float x, float y) {
2515   if (!webview())
2516       return;
2517
2518   WebFrame* main_frame = webview()->mainFrame();
2519   WebRect selection_rect;
2520   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2521                                                    &selection_rect);
2522   if (ordinal == -1) {
2523     // Something went wrong, so send a no-op reply (force the main_frame to
2524     // report the current match count) in case the host is waiting for a
2525     // response due to rate-limiting).
2526     main_frame->increaseMatchCount(0, request_id);
2527     return;
2528   }
2529
2530   SendFindReply(request_id,
2531                 -1 /* number_of_matches */,
2532                 ordinal,
2533                 selection_rect,
2534                 true /* final_update */);
2535 }
2536
2537 void RenderViewImpl::OnFindMatchRects(int current_version) {
2538   if (!webview())
2539       return;
2540
2541   WebFrame* main_frame = webview()->mainFrame();
2542   std::vector<gfx::RectF> match_rects;
2543
2544   int rects_version = main_frame->findMatchMarkersVersion();
2545   if (current_version != rects_version) {
2546     WebVector<WebFloatRect> web_match_rects;
2547     main_frame->findMatchRects(web_match_rects);
2548     match_rects.reserve(web_match_rects.size());
2549     for (size_t i = 0; i < web_match_rects.size(); ++i)
2550       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2551   }
2552
2553   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2554   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2555                                                rects_version,
2556                                                match_rects,
2557                                                active_rect));
2558 }
2559 #endif
2560
2561 void RenderViewImpl::OnResetPageScale() {
2562   if (!webview())
2563     return;
2564   webview()->setPageScaleFactor(1);
2565 }
2566
2567 void RenderViewImpl::OnZoom(PageZoom zoom) {
2568   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2569     return;
2570
2571   webview()->hidePopups();
2572
2573   double old_zoom_level = webview()->zoomLevel();
2574   double zoom_level;
2575   if (zoom == PAGE_ZOOM_RESET) {
2576     zoom_level = 0;
2577   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2578     // Previous zoom level is a whole number, so just increment/decrement.
2579     zoom_level = old_zoom_level + zoom;
2580   } else {
2581     // Either the user hit the zoom factor limit and thus the zoom level is now
2582     // not a whole number, or a plugin changed it to a custom value.  We want
2583     // to go to the next whole number so that the user can always get back to
2584     // 100% with the keyboard/menu.
2585     if ((old_zoom_level > 1 && zoom > 0) ||
2586         (old_zoom_level < 1 && zoom < 0)) {
2587       zoom_level = static_cast<int>(old_zoom_level + zoom);
2588     } else {
2589       // We're going towards 100%, so first go to the next whole number.
2590       zoom_level = static_cast<int>(old_zoom_level);
2591     }
2592   }
2593   webview()->setZoomLevel(zoom_level);
2594   zoomLevelChanged();
2595 }
2596
2597 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2598                                                  double zoom_level) {
2599 #if !defined(OS_ANDROID)
2600   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2601   // for legacy WebView text scaling emulation. Thus, the code that resets
2602   // the zoom level from this map will be effectively resetting text zoom level.
2603   host_zoom_levels_[url] = zoom_level;
2604 #endif
2605 }
2606
2607 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2608                                            double level) {
2609   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2610
2611   webview()->hidePopups();
2612   webview()->setZoomLevel(level);
2613 }
2614
2615 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2616   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2617 }
2618
2619 void RenderViewImpl::OnResetPageEncodingToDefault() {
2620   WebString no_encoding;
2621   webview()->setPageEncoding(no_encoding);
2622 }
2623
2624 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2625   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2626       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2627     // WebUIExtensionData deletes itself when we're destroyed.
2628     new WebUIExtensionData(this);
2629     // WebUIMojo deletes itself when we're destroyed.
2630     new WebUIMojo(this);
2631   }
2632
2633   enabled_bindings_ |= enabled_bindings_flags;
2634
2635   // Keep track of the total bindings accumulated in this process.
2636   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2637 }
2638
2639 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2640                                            const gfx::Point& client_point,
2641                                            const gfx::Point& screen_point,
2642                                            WebDragOperationsMask ops,
2643                                            int key_modifiers) {
2644   WebDragOperation operation = webview()->dragTargetDragEnter(
2645       DropDataToWebDragData(drop_data),
2646       client_point,
2647       screen_point,
2648       ops,
2649       key_modifiers);
2650
2651   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2652 }
2653
2654 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2655                                           const gfx::Point& screen_point,
2656                                           WebDragOperationsMask ops,
2657                                           int key_modifiers) {
2658   WebDragOperation operation = webview()->dragTargetDragOver(
2659       client_point,
2660       screen_point,
2661       ops,
2662       key_modifiers);
2663
2664   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2665 }
2666
2667 void RenderViewImpl::OnDragTargetDragLeave() {
2668   webview()->dragTargetDragLeave();
2669 }
2670
2671 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2672                                       const gfx::Point& screen_point,
2673                                       int key_modifiers) {
2674   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2675 }
2676
2677 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2678                                        const gfx::Point& screen_point,
2679                                        WebDragOperation op) {
2680   webview()->dragSourceEndedAt(client_point, screen_point, op);
2681 }
2682
2683 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2684   webview()->dragSourceSystemDragEnded();
2685 }
2686
2687 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2688   webkit_preferences_ = prefs;
2689   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2690 }
2691
2692 void RenderViewImpl::OnEnumerateDirectoryResponse(
2693     int id,
2694     const std::vector<base::FilePath>& paths) {
2695   if (!enumeration_completions_[id])
2696     return;
2697
2698   WebVector<WebString> ws_file_names(paths.size());
2699   for (size_t i = 0; i < paths.size(); ++i)
2700     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2701
2702   enumeration_completions_[id]->didChooseFile(ws_file_names);
2703   enumeration_completions_.erase(id);
2704 }
2705
2706 void RenderViewImpl::OnFileChooserResponse(
2707     const std::vector<content::FileChooserFileInfo>& files) {
2708   // This could happen if we navigated to a different page before the user
2709   // closed the chooser.
2710   if (file_chooser_completions_.empty())
2711     return;
2712
2713   // Convert Chrome's SelectedFileInfo list to WebKit's.
2714   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2715       files.size());
2716   for (size_t i = 0; i < files.size(); ++i) {
2717     WebFileChooserCompletion::SelectedFileInfo selected_file;
2718     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2719     selected_file.displayName =
2720         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2721     if (files[i].file_system_url.is_valid()) {
2722       selected_file.fileSystemURL = files[i].file_system_url;
2723       selected_file.length = files[i].length;
2724       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2725       selected_file.isDirectory = files[i].is_directory;
2726     }
2727     selected_files[i] = selected_file;
2728   }
2729
2730   if (file_chooser_completions_.front()->completion)
2731     file_chooser_completions_.front()->completion->didChooseFile(
2732         selected_files);
2733   file_chooser_completions_.pop_front();
2734
2735   // If there are more pending file chooser requests, schedule one now.
2736   if (!file_chooser_completions_.empty()) {
2737     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2738         file_chooser_completions_.front()->params));
2739   }
2740 }
2741
2742 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2743                                         const gfx::Size& max_size) {
2744   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2745   if (!webview())
2746     return;
2747   auto_resize_mode_ = true;
2748   webview()->enableAutoResizeMode(min_size, max_size);
2749 }
2750
2751 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2752   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2753   if (!webview())
2754     return;
2755   auto_resize_mode_ = false;
2756   webview()->disableAutoResizeMode();
2757
2758   if (!new_size.IsEmpty()) {
2759     Resize(new_size,
2760            physical_backing_size_,
2761            top_controls_shrink_blink_size_,
2762            top_controls_height_,
2763            visible_viewport_size_,
2764            resizer_rect_,
2765            is_fullscreen_granted_,
2766            display_mode_,
2767            NO_RESIZE_ACK);
2768   }
2769 }
2770
2771 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2772   if (send_preferred_size_changes_)
2773     return;
2774   send_preferred_size_changes_ = true;
2775
2776   // Start off with an initial preferred size notification (in case
2777   // |didUpdateLayout| was already called).
2778   didUpdateLayout();
2779 }
2780
2781 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2782     const gfx::Size& disable_scrollbar_size_limit) {
2783   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2784 }
2785
2786 void RenderViewImpl::OnSetRendererPrefs(
2787     const RendererPreferences& renderer_prefs) {
2788   double old_zoom_level = renderer_preferences_.default_zoom_level;
2789   std::string old_accept_languages = renderer_preferences_.accept_languages;
2790
2791   renderer_preferences_ = renderer_prefs;
2792
2793   UpdateFontRenderingFromRendererPrefs();
2794   UpdateThemePrefs();
2795
2796 #if defined(USE_DEFAULT_RENDER_THEME)
2797   if (renderer_prefs.use_custom_colors) {
2798     WebColorName name = blink::WebColorWebkitFocusRingColor;
2799     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2800     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2801
2802     if (webview()) {
2803       webview()->setSelectionColors(
2804           renderer_prefs.active_selection_bg_color,
2805           renderer_prefs.active_selection_fg_color,
2806           renderer_prefs.inactive_selection_bg_color,
2807           renderer_prefs.inactive_selection_fg_color);
2808       webview()->themeChanged();
2809     }
2810   }
2811 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2812
2813   // If the zoom level for this page matches the old zoom default, and this
2814   // is not a plugin, update the zoom level to match the new default.
2815   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2816       !webview()->mainFrame()->document().isPluginDocument() &&
2817       !ZoomValuesEqual(old_zoom_level,
2818                        renderer_preferences_.default_zoom_level) &&
2819       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2820     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
2821     zoomLevelChanged();
2822   }
2823
2824   if (webview() &&
2825       old_accept_languages != renderer_preferences_.accept_languages) {
2826     webview()->acceptLanguagesChanged();
2827   }
2828 }
2829
2830 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2831                                            const WebMediaPlayerAction& action) {
2832   if (webview())
2833     webview()->performMediaPlayerAction(action, location);
2834 }
2835
2836 void RenderViewImpl::OnOrientationChange() {
2837   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2838     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2839 }
2840
2841 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2842                                       const WebPluginAction& action) {
2843   if (webview())
2844     webview()->performPluginAction(action, location);
2845 }
2846
2847 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2848     const GURL& page_url) {
2849   // Prepare list to storage all savable resource links.
2850   std::vector<GURL> resources_list;
2851   std::vector<GURL> referrer_urls_list;
2852   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2853   std::vector<GURL> frames_list;
2854   SavableResourcesResult result(&resources_list,
2855                                 &referrer_urls_list,
2856                                 &referrer_policies_list,
2857                                 &frames_list);
2858
2859   // webkit/ doesn't know about Referrer.
2860   if (!GetAllSavableResourceLinksForCurrentPage(
2861           webview(),
2862           page_url,
2863           &result,
2864           const_cast<const char**>(GetSavableSchemes()))) {
2865     // If something is wrong when collecting all savable resource links,
2866     // send empty list to embedder(browser) to tell it failed.
2867     referrer_urls_list.clear();
2868     referrer_policies_list.clear();
2869     resources_list.clear();
2870     frames_list.clear();
2871   }
2872
2873   std::vector<Referrer> referrers_list;
2874   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2875   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2876     referrers_list.push_back(
2877         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2878   }
2879
2880   // Send result of all savable resource links to embedder.
2881   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2882                                                               resources_list,
2883                                                               referrers_list,
2884                                                               frames_list));
2885 }
2886
2887 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2888     const std::vector<GURL>& links,
2889     const std::vector<base::FilePath>& local_paths,
2890     const base::FilePath& local_directory_name) {
2891
2892   // Convert std::vector of GURLs to WebVector<WebURL>
2893   WebVector<WebURL> weburl_links(links);
2894
2895   // Convert std::vector of base::FilePath to WebVector<WebString>
2896   WebVector<WebString> webstring_paths(local_paths.size());
2897   for (size_t i = 0; i < local_paths.size(); i++)
2898     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2899
2900   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2901                                true,
2902                                this,
2903                                weburl_links,
2904                                webstring_paths,
2905                                local_directory_name.AsUTF16Unsafe());
2906 }
2907
2908 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2909   // Don't show any more dialogs until we finish OnSwapOut.
2910   suppress_dialogs_until_swap_out_ = true;
2911 }
2912
2913 void RenderViewImpl::OnClosePage() {
2914   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2915   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2916   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2917   // in the onunload handler from appearing.  For now, we're bypassing that and
2918   // calling the FrameLoader's CloseURL method directly.  This should be
2919   // revisited to avoid having two ways to close a page.  Having a single way
2920   // to close that can run onunload is also useful for fixing
2921   // http://b/issue?id=753080.
2922   webview()->mainFrame()->dispatchUnloadEvent();
2923
2924   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2925 }
2926
2927 void RenderViewImpl::OnClose() {
2928   if (closing_)
2929     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2930   RenderWidget::OnClose();
2931 }
2932
2933 void RenderViewImpl::OnThemeChanged() {
2934 #if defined(USE_AURA)
2935   // Aura doesn't care if we switch themes.
2936 #elif defined(OS_WIN)
2937   ui::NativeThemeWin::instance()->CloseHandles();
2938   if (webview())
2939     webview()->themeChanged();
2940 #else  // defined(OS_WIN)
2941   // TODO(port): we don't support theming on non-Windows platforms yet
2942   NOTIMPLEMENTED();
2943 #endif
2944 }
2945
2946 void RenderViewImpl::OnMoveOrResizeStarted() {
2947   if (webview())
2948     webview()->hidePopups();
2949 }
2950
2951 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2952   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2953   if (webview()) {
2954     webview()->hidePopups();
2955     if (send_preferred_size_changes_) {
2956       webview()->mainFrame()->setCanHaveScrollbars(
2957           ShouldDisplayScrollbars(params.new_size.width(),
2958                                   params.new_size.height()));
2959     }
2960     if (display_mode_ != params.display_mode) {
2961       display_mode_ = params.display_mode;
2962       webview()->setDisplayMode(display_mode_);
2963     }
2964   }
2965
2966   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2967
2968   RenderWidget::OnResize(params);
2969
2970   if (old_visible_viewport_size != visible_viewport_size_)
2971     has_scrolled_focused_editable_node_into_rect_ = false;
2972 }
2973
2974 void RenderViewImpl::DidInitiatePaint() {
2975 #if defined(ENABLE_PLUGINS)
2976   // Notify all instances that we painted.  The same caveats apply as for
2977   // ViewFlushedPaint regarding instances closing themselves, so we take
2978   // similar precautions.
2979   PepperPluginSet plugins = active_pepper_instances_;
2980   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2981     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2982       (*i)->ViewInitiatedPaint();
2983   }
2984 #endif
2985 }
2986
2987 void RenderViewImpl::DidFlushPaint() {
2988   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2989   // See crbug.com/112921.
2990   if (!webview())
2991     return;
2992
2993   WebFrame* main_frame = webview()->mainFrame();
2994   for (WebFrame* frame = main_frame; frame;
2995        frame = frame->traverseNext(false)) {
2996     // TODO(nasko): This is a hack for the case in which the top-level
2997     // frame is being rendered in another process. It will not
2998     // behave correctly for out of process iframes.
2999     if (frame->isWebLocalFrame()) {
3000       main_frame = frame;
3001       break;
3002     }
3003   }
3004
3005   // There's nothing to do if there are no local frames in this RenderView's
3006   // frame tree. This can happen if DidFlushPaint is called after the
3007   // RenderView's local main frame is swapped to a remote frame. See
3008   // http://crbug.com/513552.
3009   if (main_frame->isWebRemoteFrame())
3010     return;
3011
3012   // If we have a provisional frame we are between the start and commit stages
3013   // of loading and we don't want to save stats.
3014   if (!main_frame->provisionalDataSource()) {
3015     WebDataSource* ds = main_frame->dataSource();
3016     if (!ds)
3017       return;
3018
3019     DocumentState* document_state = DocumentState::FromDataSource(ds);
3020
3021     // TODO(jar): The following code should all be inside a method, probably in
3022     // NavigatorState.
3023     Time now = Time::Now();
3024     if (document_state->first_paint_time().is_null()) {
3025       document_state->set_first_paint_time(now);
3026     }
3027     if (document_state->first_paint_after_load_time().is_null() &&
3028         !document_state->finish_load_time().is_null()) {
3029       document_state->set_first_paint_after_load_time(now);
3030     }
3031   }
3032 }
3033
3034 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3035   WebFrame* main_frame = webview()->mainFrame();
3036   for (WebFrame* frame = main_frame; frame;
3037        frame = frame->traverseNext(false)) {
3038     // TODO(nasko): This is a hack for the case in which the top-level
3039     // frame is being rendered in another process. It will not
3040     // behave correctly for out of process iframes.
3041     if (frame->isWebLocalFrame()) {
3042       main_frame = frame;
3043       break;
3044     }
3045   }
3046
3047   WebSize scroll_offset = main_frame->scrollOffset();
3048   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3049 }
3050
3051 void RenderViewImpl::OnClearFocusedElement() {
3052   if (webview())
3053     webview()->clearFocusedElement();
3054 }
3055
3056 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3057   if (webview())
3058     webview()->setIsTransparent(!opaque);
3059   if (compositor_)
3060     compositor_->setHasTransparentBackground(!opaque);
3061 }
3062
3063 void RenderViewImpl::OnSetActive(bool active) {
3064   if (webview())
3065     webview()->setIsActive(active);
3066
3067 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3068   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3069   for (plugin_it = plugin_delegates_.begin();
3070        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3071     (*plugin_it)->SetWindowFocus(active);
3072   }
3073 #endif
3074 }
3075
3076 #if defined(OS_MACOSX)
3077 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3078 #if defined(ENABLE_PLUGINS)
3079   // Inform plugins that their container has changed visibility.
3080   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3081   for (plugin_it = plugin_delegates_.begin();
3082        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3083     (*plugin_it)->SetContainerVisibility(visible);
3084   }
3085 #endif
3086 }
3087
3088 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3089                                           const gfx::Rect& view_frame) {
3090 #if defined(ENABLE_PLUGINS)
3091   // Inform plugins that their window's frame has changed.
3092   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3093   for (plugin_it = plugin_delegates_.begin();
3094        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3095     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3096   }
3097 #endif
3098 }
3099
3100 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3101                                                      int plugin_id) {
3102   // WebPluginDelegateProxy is responsible for figuring out if this event
3103   // applies to it or not, so inform all the delegates.
3104   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3105   for (plugin_it = plugin_delegates_.begin();
3106        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3107     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3108   }
3109 }
3110 #endif  // OS_MACOSX
3111
3112 void RenderViewImpl::Close() {
3113   // We need to grab a pointer to the doomed WebView before we destroy it.
3114   WebView* doomed = webview();
3115   RenderWidget::Close();
3116   g_view_map.Get().erase(doomed);
3117   g_routing_id_view_map.Get().erase(routing_id_);
3118   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3119 }
3120
3121 void RenderViewImpl::DidHandleKeyEvent() {
3122   ClearEditCommands();
3123 }
3124
3125 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3126   possible_drag_event_info_.event_source =
3127       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3128   possible_drag_event_info_.event_location =
3129       gfx::Point(event.globalX, event.globalY);
3130
3131 #if defined(ENABLE_PLUGINS)
3132   // This method is called for every mouse event that the render view receives.
3133   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3134   // event target. Potentially a Pepper plugin will receive the event.
3135   // In order to tell whether a plugin gets the last mouse event and which it
3136   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3137   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3138   // |pepper_last_mouse_event_target_|.
3139   pepper_last_mouse_event_target_ = NULL;
3140 #endif
3141
3142   // If the mouse is locked, only the current owner of the mouse lock can
3143   // process mouse events.
3144   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3145 }
3146
3147 bool RenderViewImpl::WillHandleGestureEvent(
3148     const blink::WebGestureEvent& event) {
3149   possible_drag_event_info_.event_source =
3150       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3151   possible_drag_event_info_.event_location =
3152       gfx::Point(event.globalX, event.globalY);
3153   return false;
3154 }
3155
3156 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3157   if (!webview())
3158     return false;
3159   return webview()->hasTouchEventHandlersAt(point);
3160 }
3161
3162 void RenderViewImpl::OnWasHidden() {
3163   RenderWidget::OnWasHidden();
3164
3165 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3166   RenderThreadImpl::current()->video_capture_impl_manager()->
3167       SuspendDevices(true);
3168   if (speech_recognition_dispatcher_)
3169     speech_recognition_dispatcher_->AbortAllRecognitions();
3170 #endif
3171
3172   if (webview())
3173     webview()->setVisibilityState(visibilityState(), false);
3174
3175 #if defined(ENABLE_PLUGINS)
3176   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3177        i != active_pepper_instances_.end(); ++i)
3178     (*i)->PageVisibilityChanged(false);
3179
3180 #if defined(OS_MACOSX)
3181   // Inform NPAPI plugins that their container is no longer visible.
3182   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3183   for (plugin_it = plugin_delegates_.begin();
3184        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3185     (*plugin_it)->SetContainerVisibility(false);
3186   }
3187 #endif  // OS_MACOSX
3188 #endif // ENABLE_PLUGINS
3189 }
3190
3191 void RenderViewImpl::OnWasShown(bool needs_repainting,
3192                                 const ui::LatencyInfo& latency_info) {
3193   RenderWidget::OnWasShown(needs_repainting, latency_info);
3194
3195 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3196   RenderThreadImpl::current()->video_capture_impl_manager()->
3197       SuspendDevices(false);
3198 #endif
3199
3200   if (webview())
3201     webview()->setVisibilityState(visibilityState(), false);
3202
3203 #if defined(ENABLE_PLUGINS)
3204   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3205        i != active_pepper_instances_.end(); ++i)
3206     (*i)->PageVisibilityChanged(true);
3207
3208 #if defined(OS_MACOSX)
3209   // Inform NPAPI plugins that their container is now visible.
3210   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3211   for (plugin_it = plugin_delegates_.begin();
3212        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3213     (*plugin_it)->SetContainerVisibility(true);
3214   }
3215 #endif  // OS_MACOSX
3216 #endif  // ENABLE_PLUGINS
3217 }
3218
3219 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3220   DCHECK(webview());
3221   if (webview()->mainFrame()->isWebLocalFrame())
3222     return GURL(webview()->mainFrame()->document().url());
3223   else
3224     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3225 }
3226
3227 void RenderViewImpl::OnSetFocus(bool enable) {
3228   RenderWidget::OnSetFocus(enable);
3229
3230 #if defined(ENABLE_PLUGINS)
3231   if (webview() && webview()->isActive()) {
3232     // Notify all NPAPI plugins.
3233     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3234     for (plugin_it = plugin_delegates_.begin();
3235          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3236 #if defined(OS_MACOSX)
3237       // RenderWidget's call to setFocus can cause the underlying webview's
3238       // activation state to change just like a call to setIsActive.
3239       if (enable)
3240         (*plugin_it)->SetWindowFocus(true);
3241 #endif
3242       (*plugin_it)->SetContentAreaFocus(enable);
3243     }
3244   }
3245   // Notify all Pepper plugins.
3246   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3247        i != active_pepper_instances_.end(); ++i)
3248     (*i)->SetContentAreaFocus(enable);
3249 #endif
3250   // Notify all BrowserPlugins of the RenderView's focus state.
3251   if (BrowserPluginManager::Get())
3252     BrowserPluginManager::Get()->UpdateFocusState();
3253 }
3254
3255 void RenderViewImpl::OnImeSetComposition(
3256     const base::string16& text,
3257     const std::vector<blink::WebCompositionUnderline>& underlines,
3258     int selection_start,
3259     int selection_end) {
3260 #if defined(ENABLE_PLUGINS)
3261   if (focused_pepper_plugin_) {
3262     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3263         text, underlines, selection_start, selection_end);
3264     return;
3265   }
3266
3267 #if defined(OS_WIN)
3268   // When a plugin has focus, we create platform-specific IME data used by
3269   // our IME emulator and send it directly to the focused plugin, i.e. we
3270   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3271   // instance ID is the same one as the specified ID.)
3272   if (focused_plugin_id_ >= 0) {
3273     std::vector<int> clauses;
3274     std::vector<int> target;
3275     for (size_t i = 0; i < underlines.size(); ++i) {
3276       clauses.push_back(underlines[i].startOffset);
3277       clauses.push_back(underlines[i].endOffset);
3278       if (underlines[i].thick) {
3279         target.clear();
3280         target.push_back(underlines[i].startOffset);
3281         target.push_back(underlines[i].endOffset);
3282       }
3283     }
3284     std::set<WebPluginDelegateProxy*>::iterator it;
3285     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3286       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3287                                    focused_plugin_id_);
3288     }
3289     return;
3290   }
3291 #endif  // OS_WIN
3292 #endif  // ENABLE_PLUGINS
3293   RenderWidget::OnImeSetComposition(text,
3294                                     underlines,
3295                                     selection_start,
3296                                     selection_end);
3297 }
3298
3299 void RenderViewImpl::OnImeConfirmComposition(
3300     const base::string16& text,
3301     const gfx::Range& replacement_range,
3302     bool keep_selection) {
3303 #if defined(ENABLE_PLUGINS)
3304   if (focused_pepper_plugin_) {
3305     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3306         text, replacement_range, keep_selection);
3307     return;
3308   }
3309 #if defined(OS_WIN)
3310   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3311   // plugins. When we send IME text directly to plugins, we should not send
3312   // it to WebKit to prevent WebKit from controlling IMEs.
3313   // TODO(thakis): Honor |replacement_range| for plugins?
3314   if (focused_plugin_id_ >= 0) {
3315     std::set<WebPluginDelegateProxy*>::iterator it;
3316     for (it = plugin_delegates_.begin();
3317           it != plugin_delegates_.end(); ++it) {
3318       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3319     }
3320     return;
3321   }
3322 #endif  // OS_WIN
3323 #endif  // ENABLE_PLUGINS
3324   if (replacement_range.IsValid() && webview()) {
3325     // Select the text in |replacement_range|, it will then be replaced by
3326     // text added by the call to RenderWidget::OnImeConfirmComposition().
3327     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3328       WebRange webrange = WebRange::fromDocumentRange(
3329           frame, replacement_range.start(), replacement_range.length());
3330       if (!webrange.isNull())
3331         frame->selectRange(webrange);
3332     }
3333   }
3334   RenderWidget::OnImeConfirmComposition(text,
3335                                         replacement_range,
3336                                         keep_selection);
3337 }
3338
3339 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3340   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3341   if (webview()) {
3342     webview()->setDeviceScaleFactor(device_scale_factor);
3343     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3344         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3345   }
3346   if (auto_resize_mode_)
3347     AutoResizeCompositor();
3348 }
3349
3350 bool RenderViewImpl::SetDeviceColorProfile(
3351     const std::vector<char>& profile) {
3352   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3353   if (changed && webview()) {
3354     WebVector<char> colorProfile = profile;
3355     webview()->setDeviceColorProfile(colorProfile);
3356   }
3357   return changed;
3358 }
3359
3360 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3361   RenderWidget::ResetDeviceColorProfileForTesting();
3362   if (webview())
3363     webview()->resetDeviceColorProfile();
3364 }
3365
3366 ui::TextInputType RenderViewImpl::GetTextInputType() {
3367 #if defined(ENABLE_PLUGINS)
3368   if (focused_pepper_plugin_)
3369     return focused_pepper_plugin_->text_input_type();
3370 #endif
3371   return RenderWidget::GetTextInputType();
3372 }
3373
3374 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3375 #if defined(ENABLE_PLUGINS)
3376   if (focused_pepper_plugin_) {
3377     // TODO(kinaba) http://crbug.com/101101
3378     // Current Pepper IME API does not handle selection bounds. So we simply
3379     // use the caret position as an empty range for now. It will be updated
3380     // after Pepper API equips features related to surrounding text retrieval.
3381     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3382     *start = caret;
3383     *end = caret;
3384     return;
3385   }
3386 #endif
3387   RenderWidget::GetSelectionBounds(start, end);
3388 }
3389
3390 void RenderViewImpl::FocusChangeComplete() {
3391   RenderWidget::FocusChangeComplete();
3392   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3393 }
3394
3395 void RenderViewImpl::GetCompositionCharacterBounds(
3396     std::vector<gfx::Rect>* bounds) {
3397   DCHECK(bounds);
3398   bounds->clear();
3399
3400 #if defined(ENABLE_PLUGINS)
3401   if (focused_pepper_plugin_) {
3402     return;
3403   }
3404 #endif
3405
3406   if (!webview())
3407     return;
3408   size_t start_offset = 0;
3409   size_t character_count = 0;
3410   if (!webview()->compositionRange(&start_offset, &character_count))
3411     return;
3412   if (character_count == 0)
3413     return;
3414
3415   blink::WebFrame* frame = webview()->focusedFrame();
3416   if (!frame)
3417     return;
3418
3419   bounds->reserve(character_count);
3420   blink::WebRect webrect;
3421   for (size_t i = 0; i < character_count; ++i) {
3422     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3423       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3424       bounds->clear();
3425       return;
3426     }
3427     bounds->push_back(webrect);
3428   }
3429 }
3430
3431 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3432 #if defined(ENABLE_PLUGINS)
3433   if (focused_pepper_plugin_) {
3434     return;
3435   }
3436 #endif
3437   RenderWidget::GetCompositionRange(range);
3438 }
3439
3440 bool RenderViewImpl::CanComposeInline() {
3441 #if defined(ENABLE_PLUGINS)
3442   if (focused_pepper_plugin_)
3443     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3444 #endif
3445   return true;
3446 }
3447
3448 void RenderViewImpl::DidCompletePageScaleAnimation() {
3449   FocusChangeComplete();
3450 }
3451
3452 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3453     bool enabled,
3454     const blink::WebDeviceEmulationParams& params) {
3455   if (webview() && compositor()) {
3456     if (enabled)
3457       webview()->enableDeviceEmulation(params);
3458     else
3459       webview()->disableDeviceEmulation();
3460   }
3461 }
3462
3463 bool RenderViewImpl::ScheduleFileChooser(
3464     const FileChooserParams& params,
3465     WebFileChooserCompletion* completion) {
3466   static const size_t kMaximumPendingFileChooseRequests = 4;
3467   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3468     // This sanity check prevents too many file choose requests from getting
3469     // queued which could DoS the user. Getting these is most likely a
3470     // programming error (there are many ways to DoS the user so it's not
3471     // considered a "real" security check), either in JS requesting many file
3472     // choosers to pop up, or in a plugin.
3473     //
3474     // TODO(brettw) we might possibly want to require a user gesture to open
3475     // a file picker, which will address this issue in a better way.
3476     return false;
3477   }
3478
3479   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3480       new PendingFileChooser(params, completion)));
3481   if (file_chooser_completions_.size() == 1) {
3482     // Actually show the browse dialog when this is the first request.
3483     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3484   }
3485   return true;
3486 }
3487
3488 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3489   if (!speech_recognition_dispatcher_)
3490     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3491   return speech_recognition_dispatcher_;
3492 }
3493
3494 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3495                                        double maximum_level) {
3496   // Round the double to avoid returning incorrect minimum/maximum zoom
3497   // percentages.
3498   int minimum_percent = round(
3499       ZoomLevelToZoomFactor(minimum_level) * 100);
3500   int maximum_percent = round(
3501       ZoomLevelToZoomFactor(maximum_level) * 100);
3502
3503   Send(new ViewHostMsg_UpdateZoomLimits(
3504       routing_id_, minimum_percent, maximum_percent));
3505 }
3506
3507 void RenderViewImpl::zoomLevelChanged() {
3508   double zoom_level = webview()->zoomLevel();
3509
3510   // Do not send empty URLs to the browser when we are just setting the default
3511   // zoom level (from RendererPreferences) before the first navigation.
3512   if (!webview()->mainFrame()->document().url().isEmpty()) {
3513     // Tell the browser which url got zoomed so it can update the menu and the
3514     // saved values if necessary
3515     Send(new ViewHostMsg_DidZoomURL(
3516         routing_id_, zoom_level,
3517         GURL(webview()->mainFrame()->document().url())));
3518   }
3519 }
3520
3521 void RenderViewImpl::pageScaleFactorChanged() {
3522   if (!webview())
3523     return;
3524   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3525   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3526     return;
3527   page_scale_factor_is_one_ = page_scale_factor_is_one;
3528   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3529                                                    page_scale_factor_is_one_));
3530 }
3531
3532 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3533   return ZoomLevelToZoomFactor(zoom_level);
3534 }
3535
3536 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3537   return ZoomFactorToZoomLevel(factor);
3538 }
3539
3540 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3541   blink::WebPageVisibilityState current_state = is_hidden() ?
3542       blink::WebPageVisibilityStateHidden :
3543       blink::WebPageVisibilityStateVisible;
3544   blink::WebPageVisibilityState override_state = current_state;
3545   // TODO(jam): move this method to WebFrameClient.
3546   if (GetContentClient()->renderer()->
3547           ShouldOverridePageVisibilityState(main_render_frame_,
3548                                             &override_state))
3549     return override_state;
3550   return current_state;
3551 }
3552
3553 void RenderViewImpl::draggableRegionsChanged() {
3554   FOR_EACH_OBSERVER(
3555       RenderViewObserver,
3556       observers_,
3557       DraggableRegionsChanged(webview()->mainFrame()));
3558 }
3559
3560 #if defined(OS_ANDROID)
3561 WebContentDetectionResult RenderViewImpl::detectContentAround(
3562     const WebHitTestResult& touch_hit) {
3563   DCHECK(touch_hit.node().isTextNode());
3564
3565   // Process the position with all the registered content detectors until
3566   // a match is found. Priority is provided by their relative order.
3567   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3568       it != content_detectors_.end(); ++it) {
3569     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3570     if (content.valid) {
3571       return WebContentDetectionResult(content.content_boundaries,
3572           base::UTF8ToUTF16(content.text), content.intent_url);
3573     }
3574   }
3575   return WebContentDetectionResult();
3576 }
3577
3578 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3579   // Introduce a short delay so that the user can notice the content.
3580   base::MessageLoop::current()->PostDelayedTask(
3581       FROM_HERE,
3582       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3583                  AsWeakPtr(),
3584                  intent,
3585                  expected_content_intent_id_),
3586       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3587 }
3588
3589 void RenderViewImpl::cancelScheduledContentIntents() {
3590   ++expected_content_intent_id_;
3591 }
3592
3593 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3594                                                 size_t request_id) {
3595   if (request_id != expected_content_intent_id_)
3596     return;
3597
3598   // Remove the content highlighting if any.
3599   ScheduleComposite();
3600
3601   if (!intent.is_empty())
3602     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3603 }
3604
3605 bool RenderViewImpl::openDateTimeChooser(
3606     const blink::WebDateTimeChooserParams& params,
3607     blink::WebDateTimeChooserCompletion* completion) {
3608   // JavaScript may try to open a date time chooser while one is already open.
3609   if (date_time_picker_client_)
3610     return false;
3611   date_time_picker_client_.reset(
3612       new RendererDateTimePicker(this, params, completion));
3613   return date_time_picker_client_->Open();
3614 }
3615
3616 void RenderViewImpl::DismissDateTimeDialog() {
3617   DCHECK(date_time_picker_client_);
3618   date_time_picker_client_.reset(NULL);
3619 }
3620
3621 #endif  // defined(OS_ANDROID)
3622
3623 void RenderViewImpl::OnShowContextMenu(
3624     ui::MenuSourceType source_type, const gfx::Point& location) {
3625   context_menu_source_type_ = source_type;
3626   has_host_context_menu_location_ = true;
3627   host_context_menu_location_ = location;
3628   if (webview())
3629     webview()->showContextMenu();
3630   has_host_context_menu_location_ = false;
3631 }
3632
3633 void RenderViewImpl::OnEnableViewSourceMode() {
3634   if (!webview())
3635     return;
3636   WebFrame* main_frame = webview()->mainFrame();
3637   if (!main_frame)
3638     return;
3639   main_frame->enableViewSourceMode(true);
3640 }
3641
3642 #if defined(OS_ANDROID) || defined(USE_AURA)
3643 bool RenderViewImpl::didTapMultipleTargets(
3644     const WebSize& inner_viewport_offset,
3645     const WebRect& touch_rect,
3646     const WebVector<WebRect>& target_rects) {
3647   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3648
3649   // Never show a disambiguation popup when accessibility is enabled,
3650   // as this interferes with "touch exploration".
3651   AccessibilityMode accessibility_mode =
3652       GetMainRenderFrame()->accessibility_mode();
3653   bool matches_accessibility_mode_complete =
3654       (accessibility_mode & AccessibilityModeComplete) ==
3655           AccessibilityModeComplete;
3656   if (matches_accessibility_mode_complete)
3657     return false;
3658
3659   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3660   // reference frame.
3661   gfx::Rect zoom_rect;
3662   float new_total_scale =
3663       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3664           touch_rect, target_rects, GetSize(),
3665           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3666           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3667   if (!new_total_scale || zoom_rect.IsEmpty())
3668     return false;
3669
3670   bool handled = false;
3671   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3672     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3673       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3674       break;
3675     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3676       gfx::Size canvas_size =
3677           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3678       cc::SharedBitmapManager* manager =
3679           RenderThreadImpl::current()->shared_bitmap_manager();
3680       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3681           manager->AllocateSharedBitmap(canvas_size);
3682       CHECK(!!shared_bitmap);
3683       {
3684         SkBitmap bitmap;
3685         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3686                                                       canvas_size.height());
3687         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3688         SkCanvas canvas(bitmap);
3689
3690         // TODO(trchen): Cleanup the device scale factor mess.
3691         // device scale will be applied in WebKit
3692         // --> zoom_rect doesn't include device scale,
3693         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3694         canvas.scale(new_total_scale / device_scale_factor_,
3695                      new_total_scale / device_scale_factor_);
3696         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3697                          -zoom_rect.y() * device_scale_factor_);
3698
3699         DCHECK(webwidget_->isAcceleratedCompositingActive());
3700         // TODO(aelias): The disambiguation popup should be composited so we
3701         // don't have to call this method.
3702         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3703       }
3704
3705       gfx::Rect zoom_rect_in_screen =
3706           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3707                                     inner_viewport_offset.height);
3708
3709       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3710           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3711
3712       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3713                                                    physical_window_zoom_rect,
3714                                                    canvas_size,
3715                                                    shared_bitmap->id()));
3716       cc::SharedBitmapId id = shared_bitmap->id();
3717       disambiguation_bitmaps_[id] = shared_bitmap.release();
3718       handled = true;
3719       break;
3720     }
3721     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3722       // No-op.
3723       break;
3724   }
3725
3726   return handled;
3727 }
3728 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3729
3730 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3731   return history_list_length_;
3732 }
3733
3734 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3735   if (enable) {
3736     if (has_focus())
3737       return;
3738     OnSetActive(true);
3739     OnSetFocus(true);
3740   } else {
3741     if (!has_focus())
3742       return;
3743     OnSetFocus(false);
3744     OnSetActive(false);
3745   }
3746 }
3747
3748 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3749   ViewMsg_Resize_Params params;
3750   params.screen_info = screen_info_;
3751   params.screen_info.deviceScaleFactor = factor;
3752   params.new_size = size();
3753   params.visible_viewport_size = visible_viewport_size_;
3754   params.physical_backing_size =
3755       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3756   params.top_controls_shrink_blink_size = false;
3757   params.top_controls_height = 0.f;
3758   params.resizer_rect = WebRect();
3759   params.is_fullscreen_granted = is_fullscreen_granted();
3760   params.display_mode = display_mode_;
3761   OnResize(params);
3762 }
3763
3764 void RenderViewImpl::SetDeviceColorProfileForTesting(
3765     const std::vector<char>& color_profile) {
3766   SetDeviceColorProfile(color_profile);
3767 }
3768
3769 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3770   gfx::Rect new_window_rect(rootWindowRect().x,
3771                             rootWindowRect().y,
3772                             new_size.width(),
3773                             new_size.height());
3774   SetWindowRectSynchronously(new_window_rect);
3775 }
3776
3777 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3778   resizing_mode_selector_->set_is_synchronous_mode(enable);
3779 }
3780
3781 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3782                                                 const gfx::Size& max_size) {
3783   OnEnableAutoResize(min_size, max_size);
3784 }
3785
3786 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3787   OnDisableAutoResize(new_size);
3788 }
3789
3790 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3791     const cc::SharedBitmapId& id) {
3792   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3793   DCHECK(it != disambiguation_bitmaps_.end());
3794   delete it->second;
3795   disambiguation_bitmaps_.erase(it);
3796 }
3797
3798 void RenderViewImpl::DidCommitCompositorFrame() {
3799   RenderWidget::DidCommitCompositorFrame();
3800   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3801 }
3802
3803 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3804   if (!urls.empty())
3805     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3806 }
3807
3808 void RenderViewImpl::DidStopLoadingIcons() {
3809   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3810       WebIconURL::TypeTouch;
3811
3812   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3813   // just return early.
3814   if (webview()->mainFrame()->isWebRemoteFrame())
3815     return;
3816
3817   WebVector<WebIconURL> icon_urls =
3818       webview()->mainFrame()->iconURLs(icon_types);
3819
3820   std::vector<FaviconURL> urls;
3821   for (size_t i = 0; i < icon_urls.size(); i++) {
3822     WebURL url = icon_urls[i].iconURL();
3823     std::vector<gfx::Size> sizes;
3824     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3825     if (!url.isEmpty())
3826       urls.push_back(
3827           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3828   }
3829   SendUpdateFaviconURL(urls);
3830 }
3831
3832 }  // namespace content