content/renderer/render_view_impl.cc

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