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   if (main_render_frame_)
1999     main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
2000 }
2001
2002 void RenderViewImpl::didUpdateLayout() {
2003   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
2004
2005   // We don't always want to set up a timer, only if we've been put in that
2006   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2007   // message.
2008   if (!send_preferred_size_changes_ || !webview())
2009     return;
2010
2011   if (check_preferred_size_timer_.IsRunning())
2012     return;
2013   check_preferred_size_timer_.Start(FROM_HERE,
2014                                     TimeDelta::FromMilliseconds(0), this,
2015                                     &RenderViewImpl::CheckPreferredSize);
2016 }
2017
2018 void RenderViewImpl::navigateBackForwardSoon(int offset) {
2019   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
2020 }
2021
2022 int RenderViewImpl::historyBackListCount() {
2023   return history_list_offset_ < 0 ? 0 : history_list_offset_;
2024 }
2025
2026 int RenderViewImpl::historyForwardListCount() {
2027   return history_list_length_ - historyBackListCount() - 1;
2028 }
2029
2030 // blink::WebWidgetClient ----------------------------------------------------
2031
2032 void RenderViewImpl::didFocus() {
2033   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
2034   //                 we won't have to test for user gesture anymore and we can
2035   //                 move that code back to render_widget.cc
2036   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2037       !RenderThreadImpl::current()->layout_test_mode()) {
2038     Send(new ViewHostMsg_Focus(routing_id_));
2039   }
2040 }
2041
2042 void RenderViewImpl::didBlur() {
2043   // TODO(jcivelli): see TODO above in didFocus().
2044   if (WebUserGestureIndicator::isProcessingUserGesture() &&
2045       !RenderThreadImpl::current()->layout_test_mode()) {
2046     Send(new ViewHostMsg_Blur(routing_id_));
2047   }
2048 }
2049
2050 // We are supposed to get a single call to Show for a newly created RenderView
2051 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2052 // point to dispatch the ShowView message.
2053 //
2054 // This method provides us with the information about how to display the newly
2055 // created RenderView (i.e., as a blocked popup or as a new tab).
2056 //
2057 void RenderViewImpl::show(WebNavigationPolicy policy) {
2058   if (did_show_) {
2059     // When supports_multiple_windows is disabled, popups are reusing
2060     // the same view. In some scenarios, this makes WebKit to call show() twice.
2061     if (webkit_preferences_.supports_multiple_windows)
2062       NOTREACHED() << "received extraneous Show call";
2063     return;
2064   }
2065   did_show_ = true;
2066
2067   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2068
2069   // NOTE: initial_rect_ may still have its default values at this point, but
2070   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2071   // browser process will impose a default position otherwise.
2072   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2073       NavigationPolicyToDisposition(policy), initial_rect_,
2074       opened_by_user_gesture_));
2075   SetPendingWindowRect(initial_rect_);
2076 }
2077
2078 bool RenderViewImpl::requestPointerLock() {
2079   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2080 }
2081
2082 void RenderViewImpl::requestPointerUnlock() {
2083   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2084 }
2085
2086 bool RenderViewImpl::isPointerLocked() {
2087   return mouse_lock_dispatcher_->IsMouseLockedTo(
2088       webwidget_mouse_lock_target_.get());
2089 }
2090
2091 void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
2092   FOR_EACH_OBSERVER(
2093       RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
2094 }
2095
2096 void RenderViewImpl::didHandleGestureEvent(
2097     const WebGestureEvent& event,
2098     bool event_cancelled) {
2099   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2100
2101   if (!event_cancelled) {
2102     FOR_EACH_OBSERVER(
2103         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2104   }
2105
2106   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2107   // crbug/420130.
2108 #if defined(OS_WIN)
2109   if (event.type != blink::WebGestureEvent::GestureTap)
2110     return;
2111
2112   // TODO(estade): hit test the event against focused node to make sure
2113   // the tap actually hit the focused node.
2114   blink::WebTextInputType text_input_type =
2115       GetWebView()->textInputInfo().type;
2116
2117   Send(new ViewHostMsg_FocusedNodeTouched(
2118       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2119 #endif
2120 }
2121
2122 void RenderViewImpl::initializeLayerTreeView() {
2123   RenderWidget::initializeLayerTreeView();
2124   RenderWidgetCompositor* rwc = compositor();
2125   if (!rwc)
2126     return;
2127
2128   bool use_threaded_event_handling = true;
2129 #if defined(OS_MACOSX) && !defined(OS_IOS)
2130   // Disable threaded event handling if content is not handling the elastic
2131   // overscroll effect. This includes the cases where the elastic overscroll
2132   // effect is being handled by Blink (because of command line flags) and older
2133   // operating system versions which do not have an elastic overscroll effect
2134   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2135   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2136 #endif
2137   if (use_threaded_event_handling) {
2138     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2139     // render_thread may be NULL in tests.
2140     InputHandlerManager* input_handler_manager =
2141         render_thread ? render_thread->input_handler_manager() : NULL;
2142     if (input_handler_manager) {
2143       input_handler_manager->AddInputHandler(
2144           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2145     }
2146   }
2147 }
2148
2149 // blink::WebFrameClient -----------------------------------------------------
2150
2151 void RenderViewImpl::Repaint(const gfx::Size& size) {
2152   OnRepaint(size);
2153 }
2154
2155 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2156                                                    const std::string& value) {
2157   EditCommands edit_commands;
2158   edit_commands.push_back(EditCommand(name, value));
2159   OnSetEditCommandsForNextKeyEvent(edit_commands);
2160 }
2161
2162 void RenderViewImpl::ClearEditCommands() {
2163   edit_commands_.clear();
2164 }
2165
2166 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2167   std::string security_info;
2168   if (frame && frame->dataSource())
2169     security_info = frame->dataSource()->response().securityInfo();
2170
2171   SSLStatus result;
2172   CHECK(DeserializeSecurityInfo(security_info, &result));
2173   return result;
2174 }
2175
2176 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2177   return renderer_preferences_.accept_languages;
2178 }
2179
2180 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2181                                    WebIconURL::Type icon_type) {
2182   if (frame->parent())
2183     return;
2184
2185   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2186   std::vector<FaviconURL> urls;
2187   for (size_t i = 0; i < icon_urls.size(); i++) {
2188     std::vector<gfx::Size> sizes;
2189     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2190     urls.push_back(FaviconURL(
2191         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2192   }
2193   SendUpdateFaviconURL(urls);
2194 }
2195
2196 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2197   StartNavStateSyncTimerIfNecessary();
2198 }
2199
2200 void RenderViewImpl::CheckPreferredSize() {
2201   // We don't always want to send the change messages over IPC, only if we've
2202   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2203   // message.
2204   if (!send_preferred_size_changes_ || !webview())
2205     return;
2206
2207   gfx::Size size = webview()->contentsPreferredMinimumSize();
2208   if (size == preferred_size_)
2209     return;
2210
2211   preferred_size_ = size;
2212   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2213                                                       preferred_size_));
2214 }
2215
2216 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2217   StartNavStateSyncTimerIfNecessary();
2218 }
2219
2220 void RenderViewImpl::SendFindReply(int request_id,
2221                                    int match_count,
2222                                    int ordinal,
2223                                    const WebRect& selection_rect,
2224                                    bool final_status_update) {
2225   Send(new ViewHostMsg_Find_Reply(routing_id_,
2226                                   request_id,
2227                                   match_count,
2228                                   selection_rect,
2229                                   ordinal,
2230                                   final_status_update));
2231 }
2232
2233 blink::WebString RenderViewImpl::acceptLanguages() {
2234   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2235 }
2236
2237 // blink::WebPageSerializerClient implementation ------------------------------
2238
2239 void RenderViewImpl::didSerializeDataForFrame(
2240     const WebURL& frame_url,
2241     const WebCString& data,
2242     WebPageSerializerClient::PageSerializationStatus status) {
2243   Send(new ViewHostMsg_SendSerializedHtmlData(
2244     routing_id(),
2245     frame_url,
2246     data.data(),
2247     static_cast<int32>(status)));
2248 }
2249
2250 // RenderView implementation ---------------------------------------------------
2251
2252 bool RenderViewImpl::Send(IPC::Message* message) {
2253   return RenderWidget::Send(message);
2254 }
2255
2256 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2257   return main_render_frame_;
2258 }
2259
2260 int RenderViewImpl::GetRoutingID() const {
2261   return routing_id_;
2262 }
2263
2264 gfx::Size RenderViewImpl::GetSize() const {
2265   return size();
2266 }
2267
2268 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2269   return webkit_preferences_;
2270 }
2271
2272 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2273   OnUpdateWebPreferences(preferences);
2274 }
2275
2276 blink::WebView* RenderViewImpl::GetWebView() {
2277   return webview();
2278 }
2279
2280 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2281   if (node.isNull())
2282     return false;
2283
2284   if (node.isContentEditable())
2285     return true;
2286
2287   if (node.isElementNode()) {
2288     const WebElement& element = node.toConst<WebElement>();
2289     if (element.isTextFormControlElement()) {
2290       if (!(element.hasAttribute("readonly") ||
2291             element.hasAttribute("disabled")))
2292         return true;
2293     }
2294
2295     return base::LowerCaseEqualsASCII(
2296         base::StringPiece16(element.getAttribute("role")), "textbox");
2297   }
2298
2299   return false;
2300 }
2301
2302 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2303   return (!send_preferred_size_changes_ ||
2304           (disable_scrollbars_size_limit_.width() <= width ||
2305            disable_scrollbars_size_limit_.height() <= height));
2306 }
2307
2308 int RenderViewImpl::GetEnabledBindings() const {
2309   return enabled_bindings_;
2310 }
2311
2312 bool RenderViewImpl::GetContentStateImmediately() const {
2313   return send_content_state_immediately_;
2314 }
2315
2316 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2317   return visibilityState();
2318 }
2319
2320 void RenderViewImpl::DidStartLoading() {
2321   main_render_frame_->didStartLoading(true);
2322 }
2323
2324 void RenderViewImpl::DidStopLoading() {
2325   main_render_frame_->didStopLoading();
2326 }
2327
2328 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2329   if (!webview())
2330     return WebElement();
2331   WebFrame* focused_frame = webview()->focusedFrame();
2332   if (focused_frame) {
2333     WebDocument doc = focused_frame->document();
2334     if (!doc.isNull())
2335       return doc.focusedElement();
2336   }
2337
2338   return WebElement();
2339 }
2340
2341 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2342   if (!webview())
2343     return NULL;
2344
2345   WebFrame* main_frame = webview()->mainFrame();
2346   if (main_frame->isWebLocalFrame() &&
2347       main_frame->document().isPluginDocument())
2348     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2349
2350 #if defined(ENABLE_PLUGINS)
2351   if (plugin_find_handler_)
2352     return plugin_find_handler_->container()->plugin();
2353 #endif
2354
2355   return NULL;
2356 }
2357
2358 void RenderViewImpl::OnFind(int request_id,
2359                             const base::string16& search_text,
2360                             const WebFindOptions& options) {
2361   WebFrame* main_frame = webview()->mainFrame();
2362   blink::WebPlugin* plugin = GetWebPluginForFind();
2363   // Check if the plugin still exists in the document.
2364   if (plugin) {
2365     if (options.findNext) {
2366       // Just navigate back/forward.
2367       plugin->selectFindResult(options.forward);
2368     } else {
2369       if (!plugin->startFind(
2370           search_text, options.matchCase, request_id)) {
2371         // Send "no results".
2372         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2373       }
2374     }
2375     return;
2376   }
2377
2378   WebFrame* frame_after_main = main_frame->traverseNext(true);
2379   WebFrame* focused_frame = webview()->focusedFrame();
2380   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2381
2382   bool multi_frame = (frame_after_main != main_frame);
2383
2384   // If we have multiple frames, we don't want to wrap the search within the
2385   // frame, so we check here if we only have main_frame in the chain.
2386   bool wrap_within_frame = !multi_frame;
2387
2388   WebRect selection_rect;
2389   bool result = false;
2390
2391   // If something is selected when we start searching it means we cannot just
2392   // increment the current match ordinal; we need to re-generate it.
2393   WebRange current_selection = focused_frame->selectionRange();
2394
2395   do {
2396     result = search_frame->find(
2397         request_id, search_text, options, wrap_within_frame, &selection_rect);
2398
2399     if (!result) {
2400       // don't leave text selected as you move to the next frame.
2401       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2402                                    GetFocusedElement());
2403
2404       // Find the next frame, but skip the invisible ones.
2405       do {
2406         // What is the next frame to search? (we might be going backwards). Note
2407         // that we specify wrap=true so that search_frame never becomes NULL.
2408         search_frame = options.forward ?
2409             search_frame->traverseNext(true) :
2410             search_frame->traversePrevious(true);
2411       } while (!search_frame->hasVisibleContent() &&
2412                search_frame != focused_frame);
2413
2414       // Make sure selection doesn't affect the search operation in new frame.
2415       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2416                                    GetFocusedElement());
2417
2418       // If we have multiple frames and we have wrapped back around to the
2419       // focused frame, we need to search it once more allowing wrap within
2420       // the frame, otherwise it will report 'no match' if the focused frame has
2421       // reported matches, but no frames after the focused_frame contain a
2422       // match for the search word(s).
2423       if (multi_frame && search_frame == focused_frame) {
2424         result = search_frame->find(
2425             request_id, search_text, options, true,  // Force wrapping.
2426             &selection_rect);
2427       }
2428     }
2429
2430     webview()->setFocusedFrame(search_frame);
2431   } while (!result && search_frame != focused_frame);
2432
2433   if (options.findNext && current_selection.isNull()) {
2434     // Force the main_frame to report the actual count.
2435     main_frame->increaseMatchCount(0, request_id);
2436   } else {
2437     // If nothing is found, set result to "0 of 0", otherwise, set it to
2438     // "-1 of 1" to indicate that we found at least one item, but we don't know
2439     // yet what is active.
2440     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2441     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2442
2443     // If we find no matches then this will be our last status update.
2444     // Otherwise the scoping effort will send more results.
2445     bool final_status_update = !result;
2446
2447     SendFindReply(request_id, match_count, ordinal, selection_rect,
2448                   final_status_update);
2449
2450     // Scoping effort begins, starting with the mainframe.
2451     search_frame = main_frame;
2452
2453     main_frame->resetMatchCount();
2454
2455     do {
2456       // Cancel all old scoping requests before starting a new one.
2457       search_frame->cancelPendingScopingEffort();
2458
2459       // We don't start another scoping effort unless at least one match has
2460       // been found.
2461       if (result) {
2462         // Start new scoping request. If the scoping function determines that it
2463         // needs to scope, it will defer until later.
2464         search_frame->scopeStringMatches(request_id,
2465                                          search_text,
2466                                          options,
2467                                          true);  // reset the tickmarks
2468       }
2469
2470       // Iterate to the next frame. The frame will not necessarily scope, for
2471       // example if it is not visible.
2472       search_frame = search_frame->traverseNext(true);
2473     } while (search_frame != main_frame);
2474   }
2475 }
2476
2477 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2478   WebView* view = webview();
2479   if (!view)
2480     return;
2481
2482   blink::WebPlugin* plugin = GetWebPluginForFind();
2483   if (plugin) {
2484     plugin->stopFind();
2485     return;
2486   }
2487
2488   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2489   if (clear_selection) {
2490     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2491                                          GetFocusedElement());
2492   }
2493
2494   WebFrame* frame = view->mainFrame();
2495   while (frame) {
2496     frame->stopFinding(clear_selection);
2497     frame = frame->traverseNext(false);
2498   }
2499
2500   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2501     WebFrame* focused_frame = view->focusedFrame();
2502     if (focused_frame) {
2503       WebDocument doc = focused_frame->document();
2504       if (!doc.isNull()) {
2505         WebElement element = doc.focusedElement();
2506         if (!element.isNull())
2507           element.simulateClick();
2508       }
2509     }
2510   }
2511 }
2512
2513 #if defined(OS_ANDROID)
2514 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2515                                                  float x, float y) {
2516   if (!webview())
2517       return;
2518
2519   WebFrame* main_frame = webview()->mainFrame();
2520   WebRect selection_rect;
2521   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2522                                                    &selection_rect);
2523   if (ordinal == -1) {
2524     // Something went wrong, so send a no-op reply (force the main_frame to
2525     // report the current match count) in case the host is waiting for a
2526     // response due to rate-limiting).
2527     main_frame->increaseMatchCount(0, request_id);
2528     return;
2529   }
2530
2531   SendFindReply(request_id,
2532                 -1 /* number_of_matches */,
2533                 ordinal,
2534                 selection_rect,
2535                 true /* final_update */);
2536 }
2537
2538 void RenderViewImpl::OnFindMatchRects(int current_version) {
2539   if (!webview())
2540       return;
2541
2542   WebFrame* main_frame = webview()->mainFrame();
2543   std::vector<gfx::RectF> match_rects;
2544
2545   int rects_version = main_frame->findMatchMarkersVersion();
2546   if (current_version != rects_version) {
2547     WebVector<WebFloatRect> web_match_rects;
2548     main_frame->findMatchRects(web_match_rects);
2549     match_rects.reserve(web_match_rects.size());
2550     for (size_t i = 0; i < web_match_rects.size(); ++i)
2551       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2552   }
2553
2554   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2555   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2556                                                rects_version,
2557                                                match_rects,
2558                                                active_rect));
2559 }
2560 #endif
2561
2562 void RenderViewImpl::OnResetPageScale() {
2563   if (!webview())
2564     return;
2565   webview()->setPageScaleFactor(1);
2566 }
2567
2568 void RenderViewImpl::OnZoom(PageZoom zoom) {
2569   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2570     return;
2571
2572   webview()->hidePopups();
2573
2574   double old_zoom_level = webview()->zoomLevel();
2575   double zoom_level;
2576   if (zoom == PAGE_ZOOM_RESET) {
2577     zoom_level = 0;
2578   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2579     // Previous zoom level is a whole number, so just increment/decrement.
2580     zoom_level = old_zoom_level + zoom;
2581   } else {
2582     // Either the user hit the zoom factor limit and thus the zoom level is now
2583     // not a whole number, or a plugin changed it to a custom value.  We want
2584     // to go to the next whole number so that the user can always get back to
2585     // 100% with the keyboard/menu.
2586     if ((old_zoom_level > 1 && zoom > 0) ||
2587         (old_zoom_level < 1 && zoom < 0)) {
2588       zoom_level = static_cast<int>(old_zoom_level + zoom);
2589     } else {
2590       // We're going towards 100%, so first go to the next whole number.
2591       zoom_level = static_cast<int>(old_zoom_level);
2592     }
2593   }
2594   webview()->setZoomLevel(zoom_level);
2595   zoomLevelChanged();
2596 }
2597
2598 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2599                                                  double zoom_level) {
2600 #if !defined(OS_ANDROID)
2601   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2602   // for legacy WebView text scaling emulation. Thus, the code that resets
2603   // the zoom level from this map will be effectively resetting text zoom level.
2604   host_zoom_levels_[url] = zoom_level;
2605 #endif
2606 }
2607
2608 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2609                                            double level) {
2610   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2611
2612   webview()->hidePopups();
2613   webview()->setZoomLevel(level);
2614 }
2615
2616 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2617   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2618 }
2619
2620 void RenderViewImpl::OnResetPageEncodingToDefault() {
2621   WebString no_encoding;
2622   webview()->setPageEncoding(no_encoding);
2623 }
2624
2625 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2626   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2627       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2628     // WebUIExtensionData deletes itself when we're destroyed.
2629     new WebUIExtensionData(this);
2630     // WebUIMojo deletes itself when we're destroyed.
2631     new WebUIMojo(this);
2632   }
2633
2634   enabled_bindings_ |= enabled_bindings_flags;
2635
2636   // Keep track of the total bindings accumulated in this process.
2637   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2638 }
2639
2640 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2641                                            const gfx::Point& client_point,
2642                                            const gfx::Point& screen_point,
2643                                            WebDragOperationsMask ops,
2644                                            int key_modifiers) {
2645   WebDragOperation operation = webview()->dragTargetDragEnter(
2646       DropDataToWebDragData(drop_data),
2647       client_point,
2648       screen_point,
2649       ops,
2650       key_modifiers);
2651
2652   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2653 }
2654
2655 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2656                                           const gfx::Point& screen_point,
2657                                           WebDragOperationsMask ops,
2658                                           int key_modifiers) {
2659   WebDragOperation operation = webview()->dragTargetDragOver(
2660       client_point,
2661       screen_point,
2662       ops,
2663       key_modifiers);
2664
2665   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2666 }
2667
2668 void RenderViewImpl::OnDragTargetDragLeave() {
2669   webview()->dragTargetDragLeave();
2670 }
2671
2672 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2673                                       const gfx::Point& screen_point,
2674                                       int key_modifiers) {
2675   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2676 }
2677
2678 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2679                                        const gfx::Point& screen_point,
2680                                        WebDragOperation op) {
2681   webview()->dragSourceEndedAt(client_point, screen_point, op);
2682 }
2683
2684 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2685   webview()->dragSourceSystemDragEnded();
2686 }
2687
2688 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2689   webkit_preferences_ = prefs;
2690   ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
2691 }
2692
2693 void RenderViewImpl::OnEnumerateDirectoryResponse(
2694     int id,
2695     const std::vector<base::FilePath>& paths) {
2696   if (!enumeration_completions_[id])
2697     return;
2698
2699   WebVector<WebString> ws_file_names(paths.size());
2700   for (size_t i = 0; i < paths.size(); ++i)
2701     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2702
2703   enumeration_completions_[id]->didChooseFile(ws_file_names);
2704   enumeration_completions_.erase(id);
2705 }
2706
2707 void RenderViewImpl::OnFileChooserResponse(
2708     const std::vector<content::FileChooserFileInfo>& files) {
2709   // This could happen if we navigated to a different page before the user
2710   // closed the chooser.
2711   if (file_chooser_completions_.empty())
2712     return;
2713
2714   // Convert Chrome's SelectedFileInfo list to WebKit's.
2715   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2716       files.size());
2717   for (size_t i = 0; i < files.size(); ++i) {
2718     WebFileChooserCompletion::SelectedFileInfo selected_file;
2719     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2720     selected_file.displayName =
2721         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2722     if (files[i].file_system_url.is_valid()) {
2723       selected_file.fileSystemURL = files[i].file_system_url;
2724       selected_file.length = files[i].length;
2725       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2726       selected_file.isDirectory = files[i].is_directory;
2727     }
2728     selected_files[i] = selected_file;
2729   }
2730
2731   if (file_chooser_completions_.front()->completion)
2732     file_chooser_completions_.front()->completion->didChooseFile(
2733         selected_files);
2734   file_chooser_completions_.pop_front();
2735
2736   // If there are more pending file chooser requests, schedule one now.
2737   if (!file_chooser_completions_.empty()) {
2738     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2739         file_chooser_completions_.front()->params));
2740   }
2741 }
2742
2743 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2744                                         const gfx::Size& max_size) {
2745   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2746   if (!webview())
2747     return;
2748   auto_resize_mode_ = true;
2749   webview()->enableAutoResizeMode(min_size, max_size);
2750 }
2751
2752 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2753   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2754   if (!webview())
2755     return;
2756   auto_resize_mode_ = false;
2757   webview()->disableAutoResizeMode();
2758
2759   if (!new_size.IsEmpty()) {
2760     Resize(new_size,
2761            physical_backing_size_,
2762            top_controls_shrink_blink_size_,
2763            top_controls_height_,
2764            visible_viewport_size_,
2765            resizer_rect_,
2766            is_fullscreen_granted_,
2767            display_mode_,
2768            NO_RESIZE_ACK);
2769   }
2770 }
2771
2772 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
2773   if (send_preferred_size_changes_)
2774     return;
2775   send_preferred_size_changes_ = true;
2776
2777   // Start off with an initial preferred size notification (in case
2778   // |didUpdateLayout| was already called).
2779   didUpdateLayout();
2780 }
2781
2782 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
2783     const gfx::Size& disable_scrollbar_size_limit) {
2784   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
2785 }
2786
2787 void RenderViewImpl::OnSetRendererPrefs(
2788     const RendererPreferences& renderer_prefs) {
2789   double old_zoom_level = renderer_preferences_.default_zoom_level;
2790   std::string old_accept_languages = renderer_preferences_.accept_languages;
2791
2792   renderer_preferences_ = renderer_prefs;
2793
2794   UpdateFontRenderingFromRendererPrefs();
2795   UpdateThemePrefs();
2796
2797 #if defined(USE_DEFAULT_RENDER_THEME)
2798   if (renderer_prefs.use_custom_colors) {
2799     WebColorName name = blink::WebColorWebkitFocusRingColor;
2800     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
2801     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
2802
2803     if (webview()) {
2804       webview()->setSelectionColors(
2805           renderer_prefs.active_selection_bg_color,
2806           renderer_prefs.active_selection_fg_color,
2807           renderer_prefs.inactive_selection_bg_color,
2808           renderer_prefs.inactive_selection_fg_color);
2809       webview()->themeChanged();
2810     }
2811   }
2812 #endif  // defined(USE_DEFAULT_RENDER_THEME)
2813
2814   // If the zoom level for this page matches the old zoom default, and this
2815   // is not a plugin, update the zoom level to match the new default.
2816   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
2817       !webview()->mainFrame()->document().isPluginDocument() &&
2818       !ZoomValuesEqual(old_zoom_level,
2819                        renderer_preferences_.default_zoom_level) &&
2820       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
2821     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
2822     zoomLevelChanged();
2823   }
2824
2825   if (webview() &&
2826       old_accept_languages != renderer_preferences_.accept_languages) {
2827     webview()->acceptLanguagesChanged();
2828   }
2829 }
2830
2831 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
2832                                            const WebMediaPlayerAction& action) {
2833   if (webview())
2834     webview()->performMediaPlayerAction(action, location);
2835 }
2836
2837 void RenderViewImpl::OnOrientationChange() {
2838   if (webview() && webview()->mainFrame()->isWebLocalFrame())
2839     webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
2840 }
2841
2842 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
2843                                       const WebPluginAction& action) {
2844   if (webview())
2845     webview()->performPluginAction(action, location);
2846 }
2847
2848 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
2849     const GURL& page_url) {
2850   // Prepare list to storage all savable resource links.
2851   std::vector<GURL> resources_list;
2852   std::vector<GURL> referrer_urls_list;
2853   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
2854   std::vector<GURL> frames_list;
2855   SavableResourcesResult result(&resources_list,
2856                                 &referrer_urls_list,
2857                                 &referrer_policies_list,
2858                                 &frames_list);
2859
2860   // webkit/ doesn't know about Referrer.
2861   if (!GetAllSavableResourceLinksForCurrentPage(
2862           webview(),
2863           page_url,
2864           &result,
2865           const_cast<const char**>(GetSavableSchemes()))) {
2866     // If something is wrong when collecting all savable resource links,
2867     // send empty list to embedder(browser) to tell it failed.
2868     referrer_urls_list.clear();
2869     referrer_policies_list.clear();
2870     resources_list.clear();
2871     frames_list.clear();
2872   }
2873
2874   std::vector<Referrer> referrers_list;
2875   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
2876   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
2877     referrers_list.push_back(
2878         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
2879   }
2880
2881   // Send result of all savable resource links to embedder.
2882   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
2883                                                               resources_list,
2884                                                               referrers_list,
2885                                                               frames_list));
2886 }
2887
2888 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
2889     const std::vector<GURL>& links,
2890     const std::vector<base::FilePath>& local_paths,
2891     const base::FilePath& local_directory_name) {
2892
2893   // Convert std::vector of GURLs to WebVector<WebURL>
2894   WebVector<WebURL> weburl_links(links);
2895
2896   // Convert std::vector of base::FilePath to WebVector<WebString>
2897   WebVector<WebString> webstring_paths(local_paths.size());
2898   for (size_t i = 0; i < local_paths.size(); i++)
2899     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
2900
2901   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
2902                                true,
2903                                this,
2904                                weburl_links,
2905                                webstring_paths,
2906                                local_directory_name.AsUTF16Unsafe());
2907 }
2908
2909 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
2910   // Don't show any more dialogs until we finish OnSwapOut.
2911   suppress_dialogs_until_swap_out_ = true;
2912 }
2913
2914 void RenderViewImpl::OnClosePage() {
2915   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
2916   // TODO(creis): We'd rather use webview()->Close() here, but that currently
2917   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
2918   // in the onunload handler from appearing.  For now, we're bypassing that and
2919   // calling the FrameLoader's CloseURL method directly.  This should be
2920   // revisited to avoid having two ways to close a page.  Having a single way
2921   // to close that can run onunload is also useful for fixing
2922   // http://b/issue?id=753080.
2923   webview()->mainFrame()->dispatchUnloadEvent();
2924
2925   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
2926 }
2927
2928 void RenderViewImpl::OnClose() {
2929   if (closing_)
2930     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
2931   RenderWidget::OnClose();
2932 }
2933
2934 void RenderViewImpl::OnThemeChanged() {
2935 #if defined(USE_AURA)
2936   // Aura doesn't care if we switch themes.
2937 #elif defined(OS_WIN)
2938   ui::NativeThemeWin::instance()->CloseHandles();
2939   if (webview())
2940     webview()->themeChanged();
2941 #else  // defined(OS_WIN)
2942   // TODO(port): we don't support theming on non-Windows platforms yet
2943   NOTIMPLEMENTED();
2944 #endif
2945 }
2946
2947 void RenderViewImpl::OnMoveOrResizeStarted() {
2948   if (webview())
2949     webview()->hidePopups();
2950 }
2951
2952 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
2953   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
2954   if (webview()) {
2955     webview()->hidePopups();
2956     if (send_preferred_size_changes_) {
2957       webview()->mainFrame()->setCanHaveScrollbars(
2958           ShouldDisplayScrollbars(params.new_size.width(),
2959                                   params.new_size.height()));
2960     }
2961     if (display_mode_ != params.display_mode) {
2962       display_mode_ = params.display_mode;
2963       webview()->setDisplayMode(display_mode_);
2964     }
2965   }
2966
2967   gfx::Size old_visible_viewport_size = visible_viewport_size_;
2968
2969   RenderWidget::OnResize(params);
2970
2971   if (old_visible_viewport_size != visible_viewport_size_)
2972     has_scrolled_focused_editable_node_into_rect_ = false;
2973 }
2974
2975 void RenderViewImpl::DidInitiatePaint() {
2976 #if defined(ENABLE_PLUGINS)
2977   // Notify all instances that we painted.  The same caveats apply as for
2978   // ViewFlushedPaint regarding instances closing themselves, so we take
2979   // similar precautions.
2980   PepperPluginSet plugins = active_pepper_instances_;
2981   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
2982     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
2983       (*i)->ViewInitiatedPaint();
2984   }
2985 #endif
2986 }
2987
2988 void RenderViewImpl::DidFlushPaint() {
2989   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
2990   // See crbug.com/112921.
2991   if (!webview())
2992     return;
2993
2994   WebFrame* main_frame = webview()->mainFrame();
2995   for (WebFrame* frame = main_frame; frame;
2996        frame = frame->traverseNext(false)) {
2997     // TODO(nasko): This is a hack for the case in which the top-level
2998     // frame is being rendered in another process. It will not
2999     // behave correctly for out of process iframes.
3000     if (frame->isWebLocalFrame()) {
3001       main_frame = frame;
3002       break;
3003     }
3004   }
3005
3006   // There's nothing to do if there are no local frames in this RenderView's
3007   // frame tree. This can happen if DidFlushPaint is called after the
3008   // RenderView's local main frame is swapped to a remote frame. See
3009   // http://crbug.com/513552.
3010   if (main_frame->isWebRemoteFrame())
3011     return;
3012
3013   // If we have a provisional frame we are between the start and commit stages
3014   // of loading and we don't want to save stats.
3015   if (!main_frame->provisionalDataSource()) {
3016     WebDataSource* ds = main_frame->dataSource();
3017     if (!ds)
3018       return;
3019
3020     DocumentState* document_state = DocumentState::FromDataSource(ds);
3021
3022     // TODO(jar): The following code should all be inside a method, probably in
3023     // NavigatorState.
3024     Time now = Time::Now();
3025     if (document_state->first_paint_time().is_null()) {
3026       document_state->set_first_paint_time(now);
3027     }
3028     if (document_state->first_paint_after_load_time().is_null() &&
3029         !document_state->finish_load_time().is_null()) {
3030       document_state->set_first_paint_after_load_time(now);
3031     }
3032   }
3033 }
3034
3035 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3036   WebFrame* main_frame = webview()->mainFrame();
3037   for (WebFrame* frame = main_frame; frame;
3038        frame = frame->traverseNext(false)) {
3039     // TODO(nasko): This is a hack for the case in which the top-level
3040     // frame is being rendered in another process. It will not
3041     // behave correctly for out of process iframes.
3042     if (frame->isWebLocalFrame()) {
3043       main_frame = frame;
3044       break;
3045     }
3046   }
3047
3048   WebSize scroll_offset = main_frame->scrollOffset();
3049   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3050 }
3051
3052 void RenderViewImpl::OnClearFocusedElement() {
3053   if (webview())
3054     webview()->clearFocusedElement();
3055 }
3056
3057 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3058   if (webview())
3059     webview()->setIsTransparent(!opaque);
3060   if (compositor_)
3061     compositor_->setHasTransparentBackground(!opaque);
3062 }
3063
3064 void RenderViewImpl::OnSetActive(bool active) {
3065   if (webview())
3066     webview()->setIsActive(active);
3067
3068 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3069   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3070   for (plugin_it = plugin_delegates_.begin();
3071        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3072     (*plugin_it)->SetWindowFocus(active);
3073   }
3074 #endif
3075 }
3076
3077 #if defined(OS_MACOSX)
3078 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3079 #if defined(ENABLE_PLUGINS)
3080   // Inform plugins that their container has changed visibility.
3081   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3082   for (plugin_it = plugin_delegates_.begin();
3083        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3084     (*plugin_it)->SetContainerVisibility(visible);
3085   }
3086 #endif
3087 }
3088
3089 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3090                                           const gfx::Rect& view_frame) {
3091 #if defined(ENABLE_PLUGINS)
3092   // Inform plugins that their window's frame has changed.
3093   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3094   for (plugin_it = plugin_delegates_.begin();
3095        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3096     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3097   }
3098 #endif
3099 }
3100
3101 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3102                                                      int plugin_id) {
3103   // WebPluginDelegateProxy is responsible for figuring out if this event
3104   // applies to it or not, so inform all the delegates.
3105   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3106   for (plugin_it = plugin_delegates_.begin();
3107        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3108     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3109   }
3110 }
3111 #endif  // OS_MACOSX
3112
3113 void RenderViewImpl::Close() {
3114   // We need to grab a pointer to the doomed WebView before we destroy it.
3115   WebView* doomed = webview();
3116   RenderWidget::Close();
3117   g_view_map.Get().erase(doomed);
3118   g_routing_id_view_map.Get().erase(routing_id_);
3119   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3120 }
3121
3122 void RenderViewImpl::DidHandleKeyEvent() {
3123   ClearEditCommands();
3124 }
3125
3126 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3127   possible_drag_event_info_.event_source =
3128       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3129   possible_drag_event_info_.event_location =
3130       gfx::Point(event.globalX, event.globalY);
3131
3132 #if defined(ENABLE_PLUGINS)
3133   // This method is called for every mouse event that the render view receives.
3134   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3135   // event target. Potentially a Pepper plugin will receive the event.
3136   // In order to tell whether a plugin gets the last mouse event and which it
3137   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3138   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3139   // |pepper_last_mouse_event_target_|.
3140   pepper_last_mouse_event_target_ = NULL;
3141 #endif
3142
3143   // If the mouse is locked, only the current owner of the mouse lock can
3144   // process mouse events.
3145   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3146 }
3147
3148 bool RenderViewImpl::WillHandleGestureEvent(
3149     const blink::WebGestureEvent& event) {
3150   possible_drag_event_info_.event_source =
3151       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3152   possible_drag_event_info_.event_location =
3153       gfx::Point(event.globalX, event.globalY);
3154   return false;
3155 }
3156
3157 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3158   if (!webview())
3159     return false;
3160   return webview()->hasTouchEventHandlersAt(point);
3161 }
3162
3163 void RenderViewImpl::OnWasHidden() {
3164   RenderWidget::OnWasHidden();
3165
3166 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3167   RenderThreadImpl::current()->video_capture_impl_manager()->
3168       SuspendDevices(true);
3169   if (speech_recognition_dispatcher_)
3170     speech_recognition_dispatcher_->AbortAllRecognitions();
3171 #endif
3172
3173   if (webview())
3174     webview()->setVisibilityState(visibilityState(), false);
3175
3176 #if defined(ENABLE_PLUGINS)
3177   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3178        i != active_pepper_instances_.end(); ++i)
3179     (*i)->PageVisibilityChanged(false);
3180
3181 #if defined(OS_MACOSX)
3182   // Inform NPAPI plugins that their container is no longer visible.
3183   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3184   for (plugin_it = plugin_delegates_.begin();
3185        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3186     (*plugin_it)->SetContainerVisibility(false);
3187   }
3188 #endif  // OS_MACOSX
3189 #endif // ENABLE_PLUGINS
3190 }
3191
3192 void RenderViewImpl::OnWasShown(bool needs_repainting,
3193                                 const ui::LatencyInfo& latency_info) {
3194   RenderWidget::OnWasShown(needs_repainting, latency_info);
3195
3196 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3197   RenderThreadImpl::current()->video_capture_impl_manager()->
3198       SuspendDevices(false);
3199 #endif
3200
3201   if (webview())
3202     webview()->setVisibilityState(visibilityState(), false);
3203
3204 #if defined(ENABLE_PLUGINS)
3205   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3206        i != active_pepper_instances_.end(); ++i)
3207     (*i)->PageVisibilityChanged(true);
3208
3209 #if defined(OS_MACOSX)
3210   // Inform NPAPI plugins that their container is now visible.
3211   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3212   for (plugin_it = plugin_delegates_.begin();
3213        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3214     (*plugin_it)->SetContainerVisibility(true);
3215   }
3216 #endif  // OS_MACOSX
3217 #endif  // ENABLE_PLUGINS
3218 }
3219
3220 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3221   DCHECK(webview());
3222   if (webview()->mainFrame()->isWebLocalFrame())
3223     return GURL(webview()->mainFrame()->document().url());
3224   else
3225     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3226 }
3227
3228 void RenderViewImpl::OnSetFocus(bool enable) {
3229   RenderWidget::OnSetFocus(enable);
3230
3231 #if defined(ENABLE_PLUGINS)
3232   if (webview() && webview()->isActive()) {
3233     // Notify all NPAPI plugins.
3234     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3235     for (plugin_it = plugin_delegates_.begin();
3236          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3237 #if defined(OS_MACOSX)
3238       // RenderWidget's call to setFocus can cause the underlying webview's
3239       // activation state to change just like a call to setIsActive.
3240       if (enable)
3241         (*plugin_it)->SetWindowFocus(true);
3242 #endif
3243       (*plugin_it)->SetContentAreaFocus(enable);
3244     }
3245   }
3246   // Notify all Pepper plugins.
3247   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3248        i != active_pepper_instances_.end(); ++i)
3249     (*i)->SetContentAreaFocus(enable);
3250 #endif
3251   // Notify all BrowserPlugins of the RenderView's focus state.
3252   if (BrowserPluginManager::Get())
3253     BrowserPluginManager::Get()->UpdateFocusState();
3254 }
3255
3256 void RenderViewImpl::OnImeSetComposition(
3257     const base::string16& text,
3258     const std::vector<blink::WebCompositionUnderline>& underlines,
3259     int selection_start,
3260     int selection_end) {
3261 #if defined(ENABLE_PLUGINS)
3262   if (focused_pepper_plugin_) {
3263     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3264         text, underlines, selection_start, selection_end);
3265     return;
3266   }
3267
3268 #if defined(OS_WIN)
3269   // When a plugin has focus, we create platform-specific IME data used by
3270   // our IME emulator and send it directly to the focused plugin, i.e. we
3271   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3272   // instance ID is the same one as the specified ID.)
3273   if (focused_plugin_id_ >= 0) {
3274     std::vector<int> clauses;
3275     std::vector<int> target;
3276     for (size_t i = 0; i < underlines.size(); ++i) {
3277       clauses.push_back(underlines[i].startOffset);
3278       clauses.push_back(underlines[i].endOffset);
3279       if (underlines[i].thick) {
3280         target.clear();
3281         target.push_back(underlines[i].startOffset);
3282         target.push_back(underlines[i].endOffset);
3283       }
3284     }
3285     std::set<WebPluginDelegateProxy*>::iterator it;
3286     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3287       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3288                                    focused_plugin_id_);
3289     }
3290     return;
3291   }
3292 #endif  // OS_WIN
3293 #endif  // ENABLE_PLUGINS
3294   RenderWidget::OnImeSetComposition(text,
3295                                     underlines,
3296                                     selection_start,
3297                                     selection_end);
3298 }
3299
3300 void RenderViewImpl::OnImeConfirmComposition(
3301     const base::string16& text,
3302     const gfx::Range& replacement_range,
3303     bool keep_selection) {
3304 #if defined(ENABLE_PLUGINS)
3305   if (focused_pepper_plugin_) {
3306     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3307         text, replacement_range, keep_selection);
3308     return;
3309   }
3310 #if defined(OS_WIN)
3311   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3312   // plugins. When we send IME text directly to plugins, we should not send
3313   // it to WebKit to prevent WebKit from controlling IMEs.
3314   // TODO(thakis): Honor |replacement_range| for plugins?
3315   if (focused_plugin_id_ >= 0) {
3316     std::set<WebPluginDelegateProxy*>::iterator it;
3317     for (it = plugin_delegates_.begin();
3318           it != plugin_delegates_.end(); ++it) {
3319       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3320     }
3321     return;
3322   }
3323 #endif  // OS_WIN
3324 #endif  // ENABLE_PLUGINS
3325   if (replacement_range.IsValid() && webview()) {
3326     // Select the text in |replacement_range|, it will then be replaced by
3327     // text added by the call to RenderWidget::OnImeConfirmComposition().
3328     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3329       WebRange webrange = WebRange::fromDocumentRange(
3330           frame, replacement_range.start(), replacement_range.length());
3331       if (!webrange.isNull())
3332         frame->selectRange(webrange);
3333     }
3334   }
3335   RenderWidget::OnImeConfirmComposition(text,
3336                                         replacement_range,
3337                                         keep_selection);
3338 }
3339
3340 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3341   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3342   if (webview()) {
3343     webview()->setDeviceScaleFactor(device_scale_factor);
3344     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3345         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3346   }
3347   if (auto_resize_mode_)
3348     AutoResizeCompositor();
3349 }
3350
3351 bool RenderViewImpl::SetDeviceColorProfile(
3352     const std::vector<char>& profile) {
3353   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3354   if (changed && webview()) {
3355     WebVector<char> colorProfile = profile;
3356     webview()->setDeviceColorProfile(colorProfile);
3357   }
3358   return changed;
3359 }
3360
3361 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3362   RenderWidget::ResetDeviceColorProfileForTesting();
3363   if (webview())
3364     webview()->resetDeviceColorProfile();
3365 }
3366
3367 ui::TextInputType RenderViewImpl::GetTextInputType() {
3368 #if defined(ENABLE_PLUGINS)
3369   if (focused_pepper_plugin_)
3370     return focused_pepper_plugin_->text_input_type();
3371 #endif
3372   return RenderWidget::GetTextInputType();
3373 }
3374
3375 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3376 #if defined(ENABLE_PLUGINS)
3377   if (focused_pepper_plugin_) {
3378     // TODO(kinaba) http://crbug.com/101101
3379     // Current Pepper IME API does not handle selection bounds. So we simply
3380     // use the caret position as an empty range for now. It will be updated
3381     // after Pepper API equips features related to surrounding text retrieval.
3382     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3383     *start = caret;
3384     *end = caret;
3385     return;
3386   }
3387 #endif
3388   RenderWidget::GetSelectionBounds(start, end);
3389 }
3390
3391 void RenderViewImpl::FocusChangeComplete() {
3392   RenderWidget::FocusChangeComplete();
3393   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3394 }
3395
3396 void RenderViewImpl::GetCompositionCharacterBounds(
3397     std::vector<gfx::Rect>* bounds) {
3398   DCHECK(bounds);
3399   bounds->clear();
3400
3401 #if defined(ENABLE_PLUGINS)
3402   if (focused_pepper_plugin_) {
3403     return;
3404   }
3405 #endif
3406
3407   if (!webview())
3408     return;
3409   size_t start_offset = 0;
3410   size_t character_count = 0;
3411   if (!webview()->compositionRange(&start_offset, &character_count))
3412     return;
3413   if (character_count == 0)
3414     return;
3415
3416   blink::WebFrame* frame = webview()->focusedFrame();
3417   if (!frame)
3418     return;
3419
3420   bounds->reserve(character_count);
3421   blink::WebRect webrect;
3422   for (size_t i = 0; i < character_count; ++i) {
3423     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3424       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3425       bounds->clear();
3426       return;
3427     }
3428     bounds->push_back(webrect);
3429   }
3430 }
3431
3432 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3433 #if defined(ENABLE_PLUGINS)
3434   if (focused_pepper_plugin_) {
3435     return;
3436   }
3437 #endif
3438   RenderWidget::GetCompositionRange(range);
3439 }
3440
3441 bool RenderViewImpl::CanComposeInline() {
3442 #if defined(ENABLE_PLUGINS)
3443   if (focused_pepper_plugin_)
3444     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3445 #endif
3446   return true;
3447 }
3448
3449 void RenderViewImpl::DidCompletePageScaleAnimation() {
3450   FocusChangeComplete();
3451 }
3452
3453 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3454     bool enabled,
3455     const blink::WebDeviceEmulationParams& params) {
3456   if (webview() && compositor()) {
3457     if (enabled)
3458       webview()->enableDeviceEmulation(params);
3459     else
3460       webview()->disableDeviceEmulation();
3461   }
3462 }
3463
3464 bool RenderViewImpl::ScheduleFileChooser(
3465     const FileChooserParams& params,
3466     WebFileChooserCompletion* completion) {
3467   static const size_t kMaximumPendingFileChooseRequests = 4;
3468   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3469     // This sanity check prevents too many file choose requests from getting
3470     // queued which could DoS the user. Getting these is most likely a
3471     // programming error (there are many ways to DoS the user so it's not
3472     // considered a "real" security check), either in JS requesting many file
3473     // choosers to pop up, or in a plugin.
3474     //
3475     // TODO(brettw) we might possibly want to require a user gesture to open
3476     // a file picker, which will address this issue in a better way.
3477     return false;
3478   }
3479
3480   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3481       new PendingFileChooser(params, completion)));
3482   if (file_chooser_completions_.size() == 1) {
3483     // Actually show the browse dialog when this is the first request.
3484     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3485   }
3486   return true;
3487 }
3488
3489 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3490   if (!speech_recognition_dispatcher_)
3491     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3492   return speech_recognition_dispatcher_;
3493 }
3494
3495 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3496                                        double maximum_level) {
3497   // Round the double to avoid returning incorrect minimum/maximum zoom
3498   // percentages.
3499   int minimum_percent = round(
3500       ZoomLevelToZoomFactor(minimum_level) * 100);
3501   int maximum_percent = round(
3502       ZoomLevelToZoomFactor(maximum_level) * 100);
3503
3504   Send(new ViewHostMsg_UpdateZoomLimits(
3505       routing_id_, minimum_percent, maximum_percent));
3506 }
3507
3508 void RenderViewImpl::zoomLevelChanged() {
3509   double zoom_level = webview()->zoomLevel();
3510
3511   // Do not send empty URLs to the browser when we are just setting the default
3512   // zoom level (from RendererPreferences) before the first navigation.
3513   if (!webview()->mainFrame()->document().url().isEmpty()) {
3514     // Tell the browser which url got zoomed so it can update the menu and the
3515     // saved values if necessary
3516     Send(new ViewHostMsg_DidZoomURL(
3517         routing_id_, zoom_level,
3518         GURL(webview()->mainFrame()->document().url())));
3519   }
3520 }
3521
3522 void RenderViewImpl::pageScaleFactorChanged() {
3523   if (!webview())
3524     return;
3525   bool page_scale_factor_is_one = webview()->pageScaleFactor() == 1;
3526   if (page_scale_factor_is_one == page_scale_factor_is_one_)
3527     return;
3528   page_scale_factor_is_one_ = page_scale_factor_is_one;
3529   Send(new ViewHostMsg_PageScaleFactorIsOneChanged(routing_id_,
3530                                                    page_scale_factor_is_one_));
3531 }
3532
3533 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3534   return ZoomLevelToZoomFactor(zoom_level);
3535 }
3536
3537 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3538   return ZoomFactorToZoomLevel(factor);
3539 }
3540
3541 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3542   blink::WebPageVisibilityState current_state = is_hidden() ?
3543       blink::WebPageVisibilityStateHidden :
3544       blink::WebPageVisibilityStateVisible;
3545   blink::WebPageVisibilityState override_state = current_state;
3546   // TODO(jam): move this method to WebFrameClient.
3547   if (GetContentClient()->renderer()->
3548           ShouldOverridePageVisibilityState(main_render_frame_,
3549                                             &override_state))
3550     return override_state;
3551   return current_state;
3552 }
3553
3554 void RenderViewImpl::draggableRegionsChanged() {
3555   FOR_EACH_OBSERVER(
3556       RenderViewObserver,
3557       observers_,
3558       DraggableRegionsChanged(webview()->mainFrame()));
3559 }
3560
3561 #if defined(OS_ANDROID)
3562 WebContentDetectionResult RenderViewImpl::detectContentAround(
3563     const WebHitTestResult& touch_hit) {
3564   DCHECK(touch_hit.node().isTextNode());
3565
3566   // Process the position with all the registered content detectors until
3567   // a match is found. Priority is provided by their relative order.
3568   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3569       it != content_detectors_.end(); ++it) {
3570     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3571     if (content.valid) {
3572       return WebContentDetectionResult(content.content_boundaries,
3573           base::UTF8ToUTF16(content.text), content.intent_url);
3574     }
3575   }
3576   return WebContentDetectionResult();
3577 }
3578
3579 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3580   // Introduce a short delay so that the user can notice the content.
3581   base::MessageLoop::current()->PostDelayedTask(
3582       FROM_HERE,
3583       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3584                  AsWeakPtr(),
3585                  intent,
3586                  expected_content_intent_id_),
3587       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3588 }
3589
3590 void RenderViewImpl::cancelScheduledContentIntents() {
3591   ++expected_content_intent_id_;
3592 }
3593
3594 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3595                                                 size_t request_id) {
3596   if (request_id != expected_content_intent_id_)
3597     return;
3598
3599   // Remove the content highlighting if any.
3600   ScheduleComposite();
3601
3602   if (!intent.is_empty())
3603     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3604 }
3605
3606 bool RenderViewImpl::openDateTimeChooser(
3607     const blink::WebDateTimeChooserParams& params,
3608     blink::WebDateTimeChooserCompletion* completion) {
3609   // JavaScript may try to open a date time chooser while one is already open.
3610   if (date_time_picker_client_)
3611     return false;
3612   date_time_picker_client_.reset(
3613       new RendererDateTimePicker(this, params, completion));
3614   return date_time_picker_client_->Open();
3615 }
3616
3617 void RenderViewImpl::DismissDateTimeDialog() {
3618   DCHECK(date_time_picker_client_);
3619   date_time_picker_client_.reset(NULL);
3620 }
3621
3622 #endif  // defined(OS_ANDROID)
3623
3624 void RenderViewImpl::OnShowContextMenu(
3625     ui::MenuSourceType source_type, const gfx::Point& location) {
3626   context_menu_source_type_ = source_type;
3627   has_host_context_menu_location_ = true;
3628   host_context_menu_location_ = location;
3629   if (webview())
3630     webview()->showContextMenu();
3631   has_host_context_menu_location_ = false;
3632 }
3633
3634 void RenderViewImpl::OnEnableViewSourceMode() {
3635   if (!webview())
3636     return;
3637   WebFrame* main_frame = webview()->mainFrame();
3638   if (!main_frame)
3639     return;
3640   main_frame->enableViewSourceMode(true);
3641 }
3642
3643 #if defined(OS_ANDROID) || defined(USE_AURA)
3644 bool RenderViewImpl::didTapMultipleTargets(
3645     const WebSize& inner_viewport_offset,
3646     const WebRect& touch_rect,
3647     const WebVector<WebRect>& target_rects) {
3648   DCHECK(switches::IsLinkDisambiguationPopupEnabled());
3649
3650   // Never show a disambiguation popup when accessibility is enabled,
3651   // as this interferes with "touch exploration".
3652   AccessibilityMode accessibility_mode =
3653       GetMainRenderFrame()->accessibility_mode();
3654   bool matches_accessibility_mode_complete =
3655       (accessibility_mode & AccessibilityModeComplete) ==
3656           AccessibilityModeComplete;
3657   if (matches_accessibility_mode_complete)
3658     return false;
3659
3660   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3661   // reference frame.
3662   gfx::Rect zoom_rect;
3663   float new_total_scale =
3664       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3665           touch_rect, target_rects, GetSize(),
3666           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3667           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3668   if (!new_total_scale || zoom_rect.IsEmpty())
3669     return false;
3670
3671   bool handled = false;
3672   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3673     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3674       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3675       break;
3676     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3677       gfx::Size canvas_size =
3678           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3679       cc::SharedBitmapManager* manager =
3680           RenderThreadImpl::current()->shared_bitmap_manager();
3681       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3682           manager->AllocateSharedBitmap(canvas_size);
3683       CHECK(!!shared_bitmap);
3684       {
3685         SkBitmap bitmap;
3686         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3687                                                       canvas_size.height());
3688         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3689         SkCanvas canvas(bitmap);
3690
3691         // TODO(trchen): Cleanup the device scale factor mess.
3692         // device scale will be applied in WebKit
3693         // --> zoom_rect doesn't include device scale,
3694         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3695         canvas.scale(new_total_scale / device_scale_factor_,
3696                      new_total_scale / device_scale_factor_);
3697         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3698                          -zoom_rect.y() * device_scale_factor_);
3699
3700         DCHECK(webwidget_->isAcceleratedCompositingActive());
3701         // TODO(aelias): The disambiguation popup should be composited so we
3702         // don't have to call this method.
3703         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3704       }
3705
3706       gfx::Rect zoom_rect_in_screen =
3707           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3708                                     inner_viewport_offset.height);
3709
3710       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3711           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3712
3713       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3714                                                    physical_window_zoom_rect,
3715                                                    canvas_size,
3716                                                    shared_bitmap->id()));
3717       cc::SharedBitmapId id = shared_bitmap->id();
3718       disambiguation_bitmaps_[id] = shared_bitmap.release();
3719       handled = true;
3720       break;
3721     }
3722     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3723       // No-op.
3724       break;
3725   }
3726
3727   return handled;
3728 }
3729 #endif  // defined(OS_ANDROID) || defined(USE_AURA)
3730
3731 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3732   return history_list_length_;
3733 }
3734
3735 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3736   if (enable) {
3737     if (has_focus())
3738       return;
3739     OnSetActive(true);
3740     OnSetFocus(true);
3741   } else {
3742     if (!has_focus())
3743       return;
3744     OnSetFocus(false);
3745     OnSetActive(false);
3746   }
3747 }
3748
3749 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3750   ViewMsg_Resize_Params params;
3751   params.screen_info = screen_info_;
3752   params.screen_info.deviceScaleFactor = factor;
3753   params.new_size = size();
3754   params.visible_viewport_size = visible_viewport_size_;
3755   params.physical_backing_size =
3756       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3757   params.top_controls_shrink_blink_size = false;
3758   params.top_controls_height = 0.f;
3759   params.resizer_rect = WebRect();
3760   params.is_fullscreen_granted = is_fullscreen_granted();
3761   params.display_mode = display_mode_;
3762   OnResize(params);
3763 }
3764
3765 void RenderViewImpl::SetDeviceColorProfileForTesting(
3766     const std::vector<char>& color_profile) {
3767   SetDeviceColorProfile(color_profile);
3768 }
3769
3770 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
3771   gfx::Rect new_window_rect(rootWindowRect().x,
3772                             rootWindowRect().y,
3773                             new_size.width(),
3774                             new_size.height());
3775   SetWindowRectSynchronously(new_window_rect);
3776 }
3777
3778 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
3779   resizing_mode_selector_->set_is_synchronous_mode(enable);
3780 }
3781
3782 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
3783                                                 const gfx::Size& max_size) {
3784   OnEnableAutoResize(min_size, max_size);
3785 }
3786
3787 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
3788   OnDisableAutoResize(new_size);
3789 }
3790
3791 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
3792     const cc::SharedBitmapId& id) {
3793   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
3794   DCHECK(it != disambiguation_bitmaps_.end());
3795   delete it->second;
3796   disambiguation_bitmaps_.erase(it);
3797 }
3798
3799 void RenderViewImpl::DidCommitCompositorFrame() {
3800   RenderWidget::DidCommitCompositorFrame();
3801   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
3802 }
3803
3804 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
3805   if (!urls.empty())
3806     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
3807 }
3808
3809 void RenderViewImpl::DidStopLoadingIcons() {
3810   int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
3811       WebIconURL::TypeTouch;
3812
3813   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
3814   // just return early.
3815   if (webview()->mainFrame()->isWebRemoteFrame())
3816     return;
3817
3818   WebVector<WebIconURL> icon_urls =
3819       webview()->mainFrame()->iconURLs(icon_types);
3820
3821   std::vector<FaviconURL> urls;
3822   for (size_t i = 0; i < icon_urls.size(); i++) {
3823     WebURL url = icon_urls[i].iconURL();
3824     std::vector<gfx::Size> sizes;
3825     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
3826     if (!url.isEmpty())
3827       urls.push_back(
3828           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
3829   }
3830   SendUpdateFaviconURL(urls);
3831 }
3832
3833 }  // namespace content