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/debug/trace_event.h" 17 #include "base/files/file_path.h" 18 #include "base/i18n/rtl.h" 19 #include "base/json/json_writer.h" 20 #include "base/lazy_instance.h" 21 #include "base/memory/scoped_ptr.h" 22 #include "base/message_loop/message_loop_proxy.h" 23 #include "base/metrics/field_trial.h" 24 #include "base/metrics/histogram.h" 25 #include "base/path_service.h" 26 #include "base/process/kill.h" 27 #include "base/process/process.h" 28 #include "base/strings/string_number_conversions.h" 29 #include "base/strings/string_piece.h" 30 #include "base/strings/string_split.h" 31 #include "base/strings/string_util.h" 32 #include "base/strings/sys_string_conversions.h" 33 #include "base/strings/utf_string_conversions.h" 34 #include "base/time/time.h" 35 #include "cc/base/switches.h" 36 #include "content/child/appcache/appcache_dispatcher.h" 37 #include "content/child/appcache/web_application_cache_host_impl.h" 38 #include "content/child/child_shared_bitmap_manager.h" 39 #include "content/child/child_thread.h" 40 #include "content/child/npapi/webplugin_delegate_impl.h" 41 #include "content/child/request_extra_data.h" 42 #include "content/child/webmessageportchannel_impl.h" 43 #include "content/common/content_constants_internal.h" 44 #include "content/common/database_messages.h" 45 #include "content/common/dom_storage/dom_storage_types.h" 46 #include "content/common/drag_messages.h" 47 #include "content/common/frame_messages.h" 48 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" 49 #include "content/common/input_messages.h" 50 #include "content/common/pepper_messages.h" 51 #include "content/common/socket_stream_handle_data.h" 52 #include "content/common/ssl_status_serialization.h" 53 #include "content/common/view_messages.h" 54 #include "content/public/common/bindings_policy.h" 55 #include "content/public/common/content_client.h" 56 #include "content/public/common/content_constants.h" 57 #include "content/public/common/content_switches.h" 58 #include "content/public/common/drop_data.h" 59 #include "content/public/common/favicon_url.h" 60 #include "content/public/common/file_chooser_params.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/accessibility/renderer_accessibility.h" 73 #include "content/renderer/accessibility/renderer_accessibility_complete.h" 74 #include "content/renderer/accessibility/renderer_accessibility_focus_only.h" 75 #include "content/renderer/browser_plugin/browser_plugin.h" 76 #include "content/renderer/browser_plugin/browser_plugin_manager.h" 77 #include "content/renderer/browser_plugin/browser_plugin_manager_impl.h" 78 #include "content/renderer/devtools/devtools_agent.h" 79 #include "content/renderer/disambiguation_popup_helper.h" 80 #include "content/renderer/dom_storage/webstoragenamespace_impl.h" 81 #include "content/renderer/drop_data_builder.h" 82 #include "content/renderer/gpu/render_widget_compositor.h" 83 #include "content/renderer/history_controller.h" 84 #include "content/renderer/history_serialization.h" 85 #include "content/renderer/idle_user_detector.h" 86 #include "content/renderer/ime_event_guard.h" 87 #include "content/renderer/input/input_handler_manager.h" 88 #include "content/renderer/internal_document_state_data.h" 89 #include "content/renderer/media/audio_device_factory.h" 90 #include "content/renderer/media/video_capture_impl_manager.h" 91 #include "content/renderer/memory_benchmarking_extension.h" 92 #include "content/renderer/mhtml_generator.h" 93 #include "content/renderer/net_info_helper.h" 94 #include "content/renderer/render_frame_impl.h" 95 #include "content/renderer/render_frame_proxy.h" 96 #include "content/renderer/render_process.h" 97 #include "content/renderer/render_thread_impl.h" 98 #include "content/renderer/render_view_impl_params.h" 99 #include "content/renderer/render_view_mouse_lock_dispatcher.h" 100 #include "content/renderer/render_widget_fullscreen_pepper.h" 101 #include "content/renderer/renderer_webapplicationcachehost_impl.h" 102 #include "content/renderer/resizing_mode_selector.h" 103 #include "content/renderer/savable_resources.h" 104 #include "content/renderer/skia_benchmarking_extension.h" 105 #include "content/renderer/speech_recognition_dispatcher.h" 106 #include "content/renderer/stats_collection_controller.h" 107 #include "content/renderer/stats_collection_observer.h" 108 #include "content/renderer/text_input_client_observer.h" 109 #include "content/renderer/v8_value_converter_impl.h" 110 #include "content/renderer/web_ui_extension.h" 111 #include "content/renderer/web_ui_extension_data.h" 112 #include "content/renderer/web_ui_mojo.h" 113 #include "content/renderer/websharedworker_proxy.h" 114 #include "media/audio/audio_output_device.h" 115 #include "media/base/media_switches.h" 116 #include "media/filters/audio_renderer_impl.h" 117 #include "media/filters/gpu_video_accelerator_factories.h" 118 #include "net/base/data_url.h" 119 #include "net/base/escape.h" 120 #include "net/base/net_errors.h" 121 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" 122 #include "net/http/http_util.h" 123 #include "skia/ext/platform_canvas.h" 124 #include "third_party/WebKit/public/platform/WebCString.h" 125 #include "third_party/WebKit/public/platform/WebConnectionType.h" 126 #include "third_party/WebKit/public/platform/WebDragData.h" 127 #include "third_party/WebKit/public/platform/WebHTTPBody.h" 128 #include "third_party/WebKit/public/platform/WebImage.h" 129 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h" 130 #include "third_party/WebKit/public/platform/WebPoint.h" 131 #include "third_party/WebKit/public/platform/WebRect.h" 132 #include "third_party/WebKit/public/platform/WebSize.h" 133 #include "third_party/WebKit/public/platform/WebSocketStreamHandle.h" 134 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h" 135 #include "third_party/WebKit/public/platform/WebString.h" 136 #include "third_party/WebKit/public/platform/WebURL.h" 137 #include "third_party/WebKit/public/platform/WebURLError.h" 138 #include "third_party/WebKit/public/platform/WebURLRequest.h" 139 #include "third_party/WebKit/public/platform/WebURLResponse.h" 140 #include "third_party/WebKit/public/platform/WebVector.h" 141 #include "third_party/WebKit/public/web/WebAXObject.h" 142 #include "third_party/WebKit/public/web/WebColorName.h" 143 #include "third_party/WebKit/public/web/WebColorSuggestion.h" 144 #include "third_party/WebKit/public/web/WebDOMEvent.h" 145 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h" 146 #include "third_party/WebKit/public/web/WebDataSource.h" 147 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h" 148 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h" 149 #include "third_party/WebKit/public/web/WebDevToolsAgent.h" 150 #include "third_party/WebKit/public/web/WebDocument.h" 151 #include "third_party/WebKit/public/web/WebElement.h" 152 #include "third_party/WebKit/public/web/WebFileChooserParams.h" 153 #include "third_party/WebKit/public/web/WebFindOptions.h" 154 #include "third_party/WebKit/public/web/WebFormControlElement.h" 155 #include "third_party/WebKit/public/web/WebFormElement.h" 156 #include "third_party/WebKit/public/web/WebFrame.h" 157 #include "third_party/WebKit/public/web/WebGlyphCache.h" 158 #include "third_party/WebKit/public/web/WebHistoryItem.h" 159 #include "third_party/WebKit/public/web/WebHitTestResult.h" 160 #include "third_party/WebKit/public/web/WebInputElement.h" 161 #include "third_party/WebKit/public/web/WebInputEvent.h" 162 #include "third_party/WebKit/public/web/WebKit.h" 163 #include "third_party/WebKit/public/web/WebLocalFrame.h" 164 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h" 165 #include "third_party/WebKit/public/web/WebNavigationPolicy.h" 166 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h" 167 #include "third_party/WebKit/public/web/WebNodeList.h" 168 #include "third_party/WebKit/public/web/WebPageSerializer.h" 169 #include "third_party/WebKit/public/web/WebPlugin.h" 170 #include "third_party/WebKit/public/web/WebPluginAction.h" 171 #include "third_party/WebKit/public/web/WebPluginContainer.h" 172 #include "third_party/WebKit/public/web/WebPluginDocument.h" 173 #include "third_party/WebKit/public/web/WebRange.h" 174 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" 175 #include "third_party/WebKit/public/web/WebScriptSource.h" 176 #include "third_party/WebKit/public/web/WebSearchableFormData.h" 177 #include "third_party/WebKit/public/web/WebSecurityOrigin.h" 178 #include "third_party/WebKit/public/web/WebSecurityPolicy.h" 179 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h" 180 #include "third_party/WebKit/public/web/WebSettings.h" 181 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" 182 #include "third_party/WebKit/public/web/WebView.h" 183 #include "third_party/WebKit/public/web/WebWindowFeatures.h" 184 #include "third_party/WebKit/public/web/default/WebRenderTheme.h" 185 #include "third_party/icu/source/common/unicode/uchar.h" 186 #include "third_party/icu/source/common/unicode/uscript.h" 187 #include "ui/base/clipboard/clipboard.h" 188 #include "ui/base/ui_base_switches_util.h" 189 #include "ui/events/latency_info.h" 190 #include "ui/gfx/native_widget_types.h" 191 #include "ui/gfx/point.h" 192 #include "ui/gfx/rect.h" 193 #include "ui/gfx/rect_conversions.h" 194 #include "ui/gfx/size_conversions.h" 195 #include "ui/shell_dialogs/selected_file_info.h" 196 #include "v8/include/v8.h" 197 198 #if defined(OS_ANDROID) 199 #include <cpu-features.h> 200 201 #include "content/renderer/android/address_detector.h" 202 #include "content/renderer/android/content_detector.h" 203 #include "content/renderer/android/email_detector.h" 204 #include "content/renderer/android/phone_number_detector.h" 205 #include "net/android/network_library.h" 206 #include "third_party/WebKit/public/platform/WebFloatPoint.h" 207 #include "third_party/WebKit/public/platform/WebFloatRect.h" 208 #include "ui/gfx/rect_f.h" 209 210 #elif defined(OS_WIN) 211 // TODO(port): these files are currently Windows only because they concern: 212 // * theming 213 #include "ui/native_theme/native_theme_win.h" 214 #elif defined(USE_X11) 215 #include "ui/native_theme/native_theme.h" 216 #elif defined(OS_MACOSX) 217 #include "skia/ext/skia_utils_mac.h" 218 #endif 219 220 #if defined(ENABLE_PLUGINS) 221 #include "content/renderer/npapi/webplugin_delegate_proxy.h" 222 #include "content/renderer/pepper/pepper_plugin_instance_impl.h" 223 #include "content/renderer/pepper/pepper_plugin_registry.h" 224 #endif 225 226 #if defined(ENABLE_WEBRTC) 227 #include "content/renderer/media/rtc_peer_connection_handler.h" 228 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h" 229 #endif 230 231 using blink::WebAXObject; 232 using blink::WebApplicationCacheHost; 233 using blink::WebApplicationCacheHostClient; 234 using blink::WebCString; 235 using blink::WebColor; 236 using blink::WebColorName; 237 using blink::WebConsoleMessage; 238 using blink::WebData; 239 using blink::WebDataSource; 240 using blink::WebDocument; 241 using blink::WebDOMEvent; 242 using blink::WebDOMMessageEvent; 243 using blink::WebDragData; 244 using blink::WebDragOperation; 245 using blink::WebDragOperationsMask; 246 using blink::WebElement; 247 using blink::WebFileChooserCompletion; 248 using blink::WebFindOptions; 249 using blink::WebFormControlElement; 250 using blink::WebFormElement; 251 using blink::WebFrame; 252 using blink::WebGestureEvent; 253 using blink::WebHistoryItem; 254 using blink::WebHTTPBody; 255 using blink::WebIconURL; 256 using blink::WebImage; 257 using blink::WebInputElement; 258 using blink::WebInputEvent; 259 using blink::WebLocalFrame; 260 using blink::WebMediaPlayerAction; 261 using blink::WebMouseEvent; 262 using blink::WebNavigationPolicy; 263 using blink::WebNavigationType; 264 using blink::WebNode; 265 using blink::WebPageSerializer; 266 using blink::WebPageSerializerClient; 267 using blink::WebPeerConnection00Handler; 268 using blink::WebPeerConnection00HandlerClient; 269 using blink::WebPeerConnectionHandler; 270 using blink::WebPeerConnectionHandlerClient; 271 using blink::WebPluginAction; 272 using blink::WebPluginContainer; 273 using blink::WebPluginDocument; 274 using blink::WebPoint; 275 using blink::WebRange; 276 using blink::WebRect; 277 using blink::WebReferrerPolicy; 278 using blink::WebScriptSource; 279 using blink::WebSearchableFormData; 280 using blink::WebSecurityOrigin; 281 using blink::WebSecurityPolicy; 282 using blink::WebSerializedScriptValue; 283 using blink::WebSettings; 284 using blink::WebSize; 285 using blink::WebSocketStreamHandle; 286 using blink::WebStorageNamespace; 287 using blink::WebStorageQuotaCallbacks; 288 using blink::WebStorageQuotaError; 289 using blink::WebStorageQuotaType; 290 using blink::WebString; 291 using blink::WebTextAffinity; 292 using blink::WebTextDirection; 293 using blink::WebTouchEvent; 294 using blink::WebURL; 295 using blink::WebURLError; 296 using blink::WebURLRequest; 297 using blink::WebURLResponse; 298 using blink::WebUserGestureIndicator; 299 using blink::WebVector; 300 using blink::WebView; 301 using blink::WebWidget; 302 using blink::WebWindowFeatures; 303 using blink::WebNetworkStateNotifier; 304 using blink::WebRuntimeFeatures; 305 using base::Time; 306 using base::TimeDelta; 307 308 #if defined(OS_ANDROID) 309 using blink::WebContentDetectionResult; 310 using blink::WebFloatPoint; 311 using blink::WebFloatRect; 312 using blink::WebHitTestResult; 313 #endif 314 315 namespace content { 316 317 //----------------------------------------------------------------------------- 318 319 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap; 320 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER; 321 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap; 322 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map = 323 LAZY_INSTANCE_INITIALIZER; 324 325 // Time, in seconds, we delay before sending content state changes (such as form 326 // state and scroll position) to the browser. We delay sending changes to avoid 327 // spamming the browser. 328 // To avoid having tab/session restore require sending a message to get the 329 // current content state during tab closing we use a shorter timeout for the 330 // foreground renderer. This means there is a small window of time from which 331 // content state is modified and not sent to session restore, but this is 332 // better than having to wake up all renderers during shutdown. 333 const int kDelaySecondsForContentStateSyncHidden = 5; 334 const int kDelaySecondsForContentStateSync = 1; 335 336 #if defined(OS_ANDROID) 337 // Delay between tapping in content and launching the associated android intent. 338 // Used to allow users see what has been recognized as content. 339 const size_t kContentIntentDelayMilliseconds = 700; 340 #endif 341 342 static RenderViewImpl* (*g_create_render_view_impl)(RenderViewImplParams*) = 343 NULL; 344 345 // static 346 bool RenderViewImpl::IsReload(const FrameMsg_Navigate_Params& params) { 347 return 348 params.navigation_type == FrameMsg_Navigate_Type::RELOAD || 349 params.navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE || 350 params.navigation_type == 351 FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL; 352 } 353 354 // static 355 Referrer RenderViewImpl::GetReferrerFromRequest( 356 WebFrame* frame, 357 const WebURLRequest& request) { 358 return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))), 359 request.referrerPolicy()); 360 } 361 362 // static 363 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition( 364 WebNavigationPolicy policy) { 365 switch (policy) { 366 case blink::WebNavigationPolicyIgnore: 367 return IGNORE_ACTION; 368 case blink::WebNavigationPolicyDownload: 369 return SAVE_TO_DISK; 370 case blink::WebNavigationPolicyCurrentTab: 371 return CURRENT_TAB; 372 case blink::WebNavigationPolicyNewBackgroundTab: 373 return NEW_BACKGROUND_TAB; 374 case blink::WebNavigationPolicyNewForegroundTab: 375 return NEW_FOREGROUND_TAB; 376 case blink::WebNavigationPolicyNewWindow: 377 return NEW_WINDOW; 378 case blink::WebNavigationPolicyNewPopup: 379 return NEW_POPUP; 380 default: 381 NOTREACHED() << "Unexpected WebNavigationPolicy"; 382 return IGNORE_ACTION; 383 } 384 } 385 386 // Returns true if the device scale is high enough that losing subpixel 387 // antialiasing won't have a noticeable effect on text quality. 388 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) { 389 #if defined(OS_ANDROID) 390 // On Android, we never have subpixel antialiasing. 391 return true; 392 #else 393 return device_scale_factor > 1.5f; 394 #endif 395 396 } 397 398 static bool PreferCompositingToLCDText(float device_scale_factor) { 399 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 400 if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText)) 401 return false; 402 if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText)) 403 return true; 404 if (RenderThreadImpl::current() && 405 !RenderThreadImpl::current()->is_lcd_text_enabled()) 406 return true; 407 return DeviceScaleEnsuresTextQuality(device_scale_factor); 408 } 409 410 static bool ShouldUseTransitionCompositing(float device_scale_factor) { 411 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 412 413 if (command_line.HasSwitch(switches::kDisableCompositingForTransition)) 414 return false; 415 416 if (command_line.HasSwitch(switches::kEnableCompositingForTransition)) 417 return true; 418 419 // TODO(ajuma): Re-enable this by default for high-DPI once the problem 420 // of excessive layer promotion caused by overlap has been addressed. 421 // http://crbug.com/178119. 422 return false; 423 } 424 425 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) { 426 switch (type) { 427 case blink::WebIconURL::TypeFavicon: 428 return FaviconURL::FAVICON; 429 case blink::WebIconURL::TypeTouch: 430 return FaviconURL::TOUCH_ICON; 431 case blink::WebIconURL::TypeTouchPrecomposed: 432 return FaviconURL::TOUCH_PRECOMPOSED_ICON; 433 case blink::WebIconURL::TypeInvalid: 434 return FaviconURL::INVALID_ICON; 435 } 436 return FaviconURL::INVALID_ICON; 437 } 438 439 static void ConvertToFaviconSizes( 440 const blink::WebVector<blink::WebSize>& web_sizes, 441 std::vector<gfx::Size>* sizes) { 442 DCHECK(sizes->empty()); 443 sizes->reserve(web_sizes.size()); 444 for (size_t i = 0; i < web_sizes.size(); ++i) 445 sizes->push_back(gfx::Size(web_sizes[i])); 446 } 447 448 /////////////////////////////////////////////////////////////////////////////// 449 450 struct RenderViewImpl::PendingFileChooser { 451 PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c) 452 : params(p), 453 completion(c) { 454 } 455 FileChooserParams params; 456 WebFileChooserCompletion* completion; // MAY BE NULL to skip callback. 457 }; 458 459 namespace { 460 461 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget { 462 public: 463 explicit WebWidgetLockTarget(blink::WebWidget* webwidget) 464 : webwidget_(webwidget) {} 465 466 virtual void OnLockMouseACK(bool succeeded) OVERRIDE { 467 if (succeeded) 468 webwidget_->didAcquirePointerLock(); 469 else 470 webwidget_->didNotAcquirePointerLock(); 471 } 472 473 virtual void OnMouseLockLost() OVERRIDE { 474 webwidget_->didLosePointerLock(); 475 } 476 477 virtual bool HandleMouseLockedInputEvent( 478 const blink::WebMouseEvent &event) OVERRIDE { 479 // The WebWidget handles mouse lock in WebKit's handleInputEvent(). 480 return false; 481 } 482 483 private: 484 blink::WebWidget* webwidget_; 485 }; 486 487 bool TouchEnabled() { 488 // Based on the definition of chrome::kEnableTouchIcon. 489 #if defined(OS_ANDROID) 490 return true; 491 #else 492 return false; 493 #endif 494 } 495 496 WebDragData DropDataToWebDragData(const DropData& drop_data) { 497 std::vector<WebDragData::Item> item_list; 498 499 // These fields are currently unused when dragging into WebKit. 500 DCHECK(drop_data.download_metadata.empty()); 501 DCHECK(drop_data.file_contents.empty()); 502 DCHECK(drop_data.file_description_filename.empty()); 503 504 if (!drop_data.text.is_null()) { 505 WebDragData::Item item; 506 item.storageType = WebDragData::Item::StorageTypeString; 507 item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText); 508 item.stringData = drop_data.text.string(); 509 item_list.push_back(item); 510 } 511 512 // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it 513 // meaningful to write an empty URL to the clipboard? 514 if (!drop_data.url.is_empty()) { 515 WebDragData::Item item; 516 item.storageType = WebDragData::Item::StorageTypeString; 517 item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList); 518 item.stringData = WebString::fromUTF8(drop_data.url.spec()); 519 item.title = drop_data.url_title; 520 item_list.push_back(item); 521 } 522 523 if (!drop_data.html.is_null()) { 524 WebDragData::Item item; 525 item.storageType = WebDragData::Item::StorageTypeString; 526 item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML); 527 item.stringData = drop_data.html.string(); 528 item.baseURL = drop_data.html_base_url; 529 item_list.push_back(item); 530 } 531 532 for (std::vector<ui::FileInfo>::const_iterator it = 533 drop_data.filenames.begin(); 534 it != drop_data.filenames.end(); 535 ++it) { 536 WebDragData::Item item; 537 item.storageType = WebDragData::Item::StorageTypeFilename; 538 item.filenameData = it->path.AsUTF16Unsafe(); 539 item.displayNameData = it->display_name.AsUTF16Unsafe(); 540 item_list.push_back(item); 541 } 542 543 for (std::vector<DropData::FileSystemFileInfo>::const_iterator it = 544 drop_data.file_system_files.begin(); 545 it != drop_data.file_system_files.end(); 546 ++it) { 547 WebDragData::Item item; 548 item.storageType = WebDragData::Item::StorageTypeFileSystemFile; 549 item.fileSystemURL = it->url; 550 item.fileSystemFileSize = it->size; 551 item_list.push_back(item); 552 } 553 554 for (std::map<base::string16, base::string16>::const_iterator it = 555 drop_data.custom_data.begin(); 556 it != drop_data.custom_data.end(); 557 ++it) { 558 WebDragData::Item item; 559 item.storageType = WebDragData::Item::StorageTypeString; 560 item.stringType = it->first; 561 item.stringData = it->second; 562 item_list.push_back(item); 563 } 564 565 WebDragData result; 566 result.initialize(); 567 result.setItems(item_list); 568 result.setFilesystemId(drop_data.filesystem_id); 569 return result; 570 } 571 572 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*, 573 const base::string16&, 574 UScriptCode); 575 576 void SetStandardFontFamilyWrapper(WebSettings* settings, 577 const base::string16& font, 578 UScriptCode script) { 579 settings->setStandardFontFamily(font, script); 580 } 581 582 void SetFixedFontFamilyWrapper(WebSettings* settings, 583 const base::string16& font, 584 UScriptCode script) { 585 settings->setFixedFontFamily(font, script); 586 } 587 588 void SetSerifFontFamilyWrapper(WebSettings* settings, 589 const base::string16& font, 590 UScriptCode script) { 591 settings->setSerifFontFamily(font, script); 592 } 593 594 void SetSansSerifFontFamilyWrapper(WebSettings* settings, 595 const base::string16& font, 596 UScriptCode script) { 597 settings->setSansSerifFontFamily(font, script); 598 } 599 600 void SetCursiveFontFamilyWrapper(WebSettings* settings, 601 const base::string16& font, 602 UScriptCode script) { 603 settings->setCursiveFontFamily(font, script); 604 } 605 606 void SetFantasyFontFamilyWrapper(WebSettings* settings, 607 const base::string16& font, 608 UScriptCode script) { 609 settings->setFantasyFontFamily(font, script); 610 } 611 612 void SetPictographFontFamilyWrapper(WebSettings* settings, 613 const base::string16& font, 614 UScriptCode script) { 615 settings->setPictographFontFamily(font, script); 616 } 617 618 // If |scriptCode| is a member of a family of "similar" script codes, returns 619 // the script code in that family that is used by WebKit for font selection 620 // purposes. For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are 621 // considered equivalent for the purposes of font selection. WebKit uses the 622 // script code USCRIPT_KATAKANA_OR_HIRAGANA. So, if |scriptCode| is 623 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA. WebKit 624 // uses different scripts than the ones in Chrome pref names because the version 625 // of ICU included on certain ports does not have some of the newer scripts. If 626 // |scriptCode| is not a member of such a family, returns |scriptCode|. 627 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) { 628 switch (scriptCode) { 629 case USCRIPT_HIRAGANA: 630 case USCRIPT_KATAKANA: 631 case USCRIPT_JAPANESE: 632 return USCRIPT_KATAKANA_OR_HIRAGANA; 633 case USCRIPT_KOREAN: 634 return USCRIPT_HANGUL; 635 default: 636 return scriptCode; 637 } 638 } 639 640 void ApplyFontsFromMap(const ScriptFontFamilyMap& map, 641 SetFontFamilyWrapper setter, 642 WebSettings* settings) { 643 for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end(); 644 ++it) { 645 int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str()); 646 if (script >= 0 && script < USCRIPT_CODE_LIMIT) { 647 UScriptCode code = static_cast<UScriptCode>(script); 648 (*setter)(settings, it->second, GetScriptForWebSettings(code)); 649 } 650 } 651 } 652 653 } // namespace 654 655 RenderViewImpl::RenderViewImpl(RenderViewImplParams* params) 656 : RenderWidget(blink::WebPopupTypeNone, 657 params->initial_size.screen_info, 658 params->swapped_out, 659 params->hidden, 660 params->never_visible), 661 webkit_preferences_(params->webkit_prefs), 662 send_content_state_immediately_(false), 663 enabled_bindings_(0), 664 send_preferred_size_changes_(false), 665 navigation_gesture_(NavigationGestureUnknown), 666 opened_by_user_gesture_(true), 667 opener_suppressed_(false), 668 suppress_dialogs_until_swap_out_(false), 669 page_id_(-1), 670 last_page_id_sent_to_browser_(-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_(cc::BOTH), 679 #endif 680 has_scrolled_focused_editable_node_into_rect_(false), 681 speech_recognition_dispatcher_(NULL), 682 browser_plugin_manager_(NULL), 683 devtools_agent_(NULL), 684 mouse_lock_dispatcher_(NULL), 685 #if defined(OS_ANDROID) 686 expected_content_intent_id_(0), 687 #endif 688 #if defined(OS_WIN) 689 focused_plugin_id_(-1), 690 #endif 691 #if defined(ENABLE_PLUGINS) 692 plugin_find_handler_(NULL), 693 focused_pepper_plugin_(NULL), 694 pepper_last_mouse_event_target_(NULL), 695 #endif 696 enumeration_completion_id_(0), 697 session_storage_namespace_id_(params->session_storage_namespace_id), 698 next_snapshot_id_(0) { 699 } 700 701 void RenderViewImpl::Initialize(RenderViewImplParams* params) { 702 routing_id_ = params->routing_id; 703 surface_id_ = params->surface_id; 704 if (params->opener_id != MSG_ROUTING_NONE && params->is_renderer_created) 705 opener_id_ = params->opener_id; 706 707 // Ensure we start with a valid next_page_id_ from the browser. 708 DCHECK_GE(next_page_id_, 0); 709 710 main_render_frame_.reset(RenderFrameImpl::Create( 711 this, params->main_frame_routing_id)); 712 // The main frame WebLocalFrame object is closed by 713 // RenderFrameImpl::frameDetached(). 714 WebLocalFrame* web_frame = WebLocalFrame::create(main_render_frame_.get()); 715 main_render_frame_->SetWebFrame(web_frame); 716 717 webwidget_ = WebView::create(this); 718 webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_)); 719 720 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 721 722 if (command_line.HasSwitch(switches::kStatsCollectionController)) 723 stats_collection_observer_.reset(new StatsCollectionObserver(this)); 724 725 #if defined(OS_ANDROID) 726 const std::string region_code = 727 command_line.HasSwitch(switches::kNetworkCountryIso) 728 ? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso) 729 : net::android::GetTelephonyNetworkCountryIso(); 730 content_detectors_.push_back(linked_ptr<ContentDetector>( 731 new AddressDetector())); 732 content_detectors_.push_back(linked_ptr<ContentDetector>( 733 new PhoneNumberDetector(region_code))); 734 content_detectors_.push_back(linked_ptr<ContentDetector>( 735 new EmailDetector())); 736 #endif 737 738 RenderThread::Get()->AddRoute(routing_id_, this); 739 // Take a reference on behalf of the RenderThread. This will be balanced 740 // when we receive ViewMsg_ClosePage. 741 AddRef(); 742 if (RenderThreadImpl::current()) { 743 RenderThreadImpl::current()->WidgetCreated(); 744 if (is_hidden_) 745 RenderThreadImpl::current()->WidgetHidden(); 746 } 747 748 // If this is a popup, we must wait for the CreatingNew_ACK message before 749 // completing initialization. Otherwise, we can finish it now. 750 if (opener_id_ == MSG_ROUTING_NONE) { 751 did_show_ = true; 752 CompleteInit(); 753 } 754 755 g_view_map.Get().insert(std::make_pair(webview(), this)); 756 g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this)); 757 webview()->setDeviceScaleFactor(device_scale_factor_); 758 webview()->settings()->setPreferCompositingToLCDTextEnabled( 759 PreferCompositingToLCDText(device_scale_factor_)); 760 webview()->settings()->setAcceleratedCompositingForTransitionEnabled( 761 ShouldUseTransitionCompositing(device_scale_factor_)); 762 webview()->settings()->setThreadedScrollingEnabled( 763 !command_line.HasSwitch(switches::kDisableThreadedScrolling)); 764 765 ApplyWebPreferences(webkit_preferences_, webview()); 766 767 webview()->settings()->setAllowConnectingInsecureWebSocket( 768 command_line.HasSwitch(switches::kAllowInsecureWebSocketFromHttpsOrigin)); 769 770 RenderFrameProxy* proxy = NULL; 771 if (params->proxy_routing_id != MSG_ROUTING_NONE) { 772 CHECK(params->swapped_out); 773 proxy = RenderFrameProxy::CreateProxyToReplaceFrame( 774 main_render_frame_.get(), params->proxy_routing_id); 775 main_render_frame_->set_render_frame_proxy(proxy); 776 } 777 778 // In --site-per-process, just use the WebRemoteFrame as the main frame. 779 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSitePerProcess) && 780 proxy) { 781 webview()->setMainFrame(proxy->web_frame()); 782 } else { 783 webview()->setMainFrame(main_render_frame_->GetWebFrame()); 784 } 785 main_render_frame_->Initialize(); 786 787 if (switches::IsTouchDragDropEnabled()) 788 webview()->settings()->setTouchDragDropEnabled(true); 789 790 if (switches::IsTouchEditingEnabled()) 791 webview()->settings()->setTouchEditingEnabled(true); 792 793 if (!params->frame_name.empty()) 794 webview()->mainFrame()->setName(params->frame_name); 795 796 // TODO(davidben): Move this state from Blink into content. 797 if (params->window_was_created_with_opener) 798 webview()->setOpenedByDOM(); 799 800 OnSetRendererPrefs(params->renderer_prefs); 801 802 if (!params->enable_auto_resize) { 803 OnResize(params->initial_size); 804 } else { 805 OnEnableAutoResize(params->min_size, params->max_size); 806 } 807 808 new MHTMLGenerator(this); 809 #if defined(OS_MACOSX) 810 new TextInputClientObserver(this); 811 #endif // defined(OS_MACOSX) 812 813 // The next group of objects all implement RenderViewObserver, so are deleted 814 // along with the RenderView automatically. 815 devtools_agent_ = new DevToolsAgent(this); 816 if (RenderWidgetCompositor* rwc = compositor()) { 817 webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId()); 818 } 819 mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this); 820 821 history_controller_.reset(new HistoryController(this)); 822 823 new IdleUserDetector(this); 824 825 if (command_line.HasSwitch(switches::kDomAutomationController)) 826 enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION; 827 if (command_line.HasSwitch(switches::kStatsCollectionController)) 828 enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION; 829 830 ProcessViewLayoutFlags(command_line); 831 832 GetContentClient()->renderer()->RenderViewCreated(this); 833 834 // If we have an opener_id but we weren't created by a renderer, then 835 // it's the browser asking us to set our opener to another RenderView. 836 if (params->opener_id != MSG_ROUTING_NONE && !params->is_renderer_created) { 837 RenderViewImpl* opener_view = FromRoutingID(params->opener_id); 838 if (opener_view) 839 webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame()); 840 } 841 842 // If we are initially swapped out, navigate to kSwappedOutURL. 843 // This ensures we are in a unique origin that others cannot script. 844 if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame()) 845 NavigateToSwappedOutURL(webview()->mainFrame()); 846 } 847 848 RenderViewImpl::~RenderViewImpl() { 849 for (BitmapMap::iterator it = disambiguation_bitmaps_.begin(); 850 it != disambiguation_bitmaps_.end(); 851 ++it) 852 delete it->second; 853 history_page_ids_.clear(); 854 855 base::debug::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_); 856 857 // If file chooser is still waiting for answer, dispatch empty answer. 858 while (!file_chooser_completions_.empty()) { 859 if (file_chooser_completions_.front()->completion) { 860 file_chooser_completions_.front()->completion->didChooseFile( 861 WebVector<WebString>()); 862 } 863 file_chooser_completions_.pop_front(); 864 } 865 866 #if defined(OS_ANDROID) 867 // The date/time picker client is both a scoped_ptr member of this class and 868 // a RenderViewObserver. Reset it to prevent double deletion. 869 date_time_picker_client_.reset(); 870 #endif 871 872 #ifndef NDEBUG 873 // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap. 874 ViewMap* views = g_view_map.Pointer(); 875 for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) 876 DCHECK_NE(this, it->second) << "Failed to call Close?"; 877 RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer(); 878 for (RoutingIDViewMap::iterator it = routing_id_views->begin(); 879 it != routing_id_views->end(); ++it) 880 DCHECK_NE(this, it->second) << "Failed to call Close?"; 881 #endif 882 883 FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone()); 884 FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct()); 885 } 886 887 /*static*/ 888 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) { 889 ViewMap* views = g_view_map.Pointer(); 890 ViewMap::iterator it = views->find(webview); 891 return it == views->end() ? NULL : it->second; 892 } 893 894 /*static*/ 895 RenderView* RenderView::FromWebView(blink::WebView* webview) { 896 return RenderViewImpl::FromWebView(webview); 897 } 898 899 /*static*/ 900 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) { 901 RoutingIDViewMap* views = g_routing_id_view_map.Pointer(); 902 RoutingIDViewMap::iterator it = views->find(routing_id); 903 return it == views->end() ? NULL : it->second; 904 } 905 906 /*static*/ 907 RenderView* RenderView::FromRoutingID(int routing_id) { 908 return RenderViewImpl::FromRoutingID(routing_id); 909 } 910 911 /* static */ 912 size_t RenderViewImpl::GetRenderViewCount() { 913 return g_view_map.Get().size(); 914 } 915 916 /*static*/ 917 void RenderView::ForEach(RenderViewVisitor* visitor) { 918 ViewMap* views = g_view_map.Pointer(); 919 for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) { 920 if (!visitor->Visit(it->second)) 921 return; 922 } 923 } 924 925 /*static*/ 926 void RenderView::ApplyWebPreferences(const WebPreferences& prefs, 927 WebView* web_view) { 928 WebSettings* settings = web_view->settings(); 929 ApplyFontsFromMap(prefs.standard_font_family_map, 930 SetStandardFontFamilyWrapper, settings); 931 ApplyFontsFromMap(prefs.fixed_font_family_map, 932 SetFixedFontFamilyWrapper, settings); 933 ApplyFontsFromMap(prefs.serif_font_family_map, 934 SetSerifFontFamilyWrapper, settings); 935 ApplyFontsFromMap(prefs.sans_serif_font_family_map, 936 SetSansSerifFontFamilyWrapper, settings); 937 ApplyFontsFromMap(prefs.cursive_font_family_map, 938 SetCursiveFontFamilyWrapper, settings); 939 ApplyFontsFromMap(prefs.fantasy_font_family_map, 940 SetFantasyFontFamilyWrapper, settings); 941 ApplyFontsFromMap(prefs.pictograph_font_family_map, 942 SetPictographFontFamilyWrapper, settings); 943 settings->setDefaultFontSize(prefs.default_font_size); 944 settings->setDefaultFixedFontSize(prefs.default_fixed_font_size); 945 settings->setMinimumFontSize(prefs.minimum_font_size); 946 settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size); 947 settings->setDefaultTextEncodingName( 948 base::ASCIIToUTF16(prefs.default_encoding)); 949 settings->setJavaScriptEnabled(prefs.javascript_enabled); 950 settings->setWebSecurityEnabled(prefs.web_security_enabled); 951 settings->setJavaScriptCanOpenWindowsAutomatically( 952 prefs.javascript_can_open_windows_automatically); 953 settings->setLoadsImagesAutomatically(prefs.loads_images_automatically); 954 settings->setImagesEnabled(prefs.images_enabled); 955 settings->setPluginsEnabled(prefs.plugins_enabled); 956 settings->setDOMPasteAllowed(prefs.dom_paste_enabled); 957 settings->setShrinksStandaloneImagesToFit( 958 prefs.shrinks_standalone_images_to_fit); 959 settings->setUsesEncodingDetector(prefs.uses_universal_detector); 960 settings->setTextAreasAreResizable(prefs.text_areas_are_resizable); 961 settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows); 962 settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled); 963 settings->setJavaScriptCanAccessClipboard( 964 prefs.javascript_can_access_clipboard); 965 WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled); 966 settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled); 967 settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled); 968 settings->setLocalStorageEnabled(prefs.local_storage_enabled); 969 settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled); 970 WebRuntimeFeatures::enableDatabase(prefs.databases_enabled); 971 settings->setOfflineWebApplicationCacheEnabled( 972 prefs.application_cache_enabled); 973 settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled); 974 settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled); 975 settings->setCookieEnabled(prefs.cookie_enabled); 976 settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop); 977 978 settings->setJavaEnabled(prefs.java_enabled); 979 980 // By default, allow_universal_access_from_file_urls is set to false and thus 981 // we mitigate attacks from local HTML files by not granting file:// URLs 982 // universal access. Only test shell will enable this. 983 settings->setAllowUniversalAccessFromFileURLs( 984 prefs.allow_universal_access_from_file_urls); 985 settings->setAllowFileAccessFromFileURLs( 986 prefs.allow_file_access_from_file_urls); 987 988 // Enable the web audio API if requested on the command line. 989 settings->setWebAudioEnabled(prefs.webaudio_enabled); 990 991 // Enable experimental WebGL support if requested on command line 992 // and support is compiled in. 993 settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled); 994 995 // Disable GL multisampling if requested on command line. 996 settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled); 997 998 // Enable WebGL errors to the JS console if requested. 999 settings->setWebGLErrorsToConsoleEnabled( 1000 prefs.webgl_errors_to_console_enabled); 1001 1002 // Uses the mock theme engine for scrollbars. 1003 settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled); 1004 1005 settings->setLayerSquashingEnabled(prefs.layer_squashing_enabled); 1006 1007 // Enable gpu-accelerated 2d canvas if requested on the command line. 1008 settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled); 1009 1010 settings->setMinimumAccelerated2dCanvasSize( 1011 prefs.minimum_accelerated_2d_canvas_size); 1012 1013 // Disable antialiasing for 2d canvas if requested on the command line. 1014 settings->setAntialiased2dCanvasEnabled( 1015 !prefs.antialiased_2d_canvas_disabled); 1016 1017 // Set MSAA sample count for 2d canvas if requested on the command line (or 1018 // default value if not). 1019 settings->setAccelerated2dCanvasMSAASampleCount( 1020 prefs.accelerated_2d_canvas_msaa_sample_count); 1021 1022 // Enable deferred filter rendering if requested on the command line. 1023 settings->setDeferredFiltersEnabled(prefs.deferred_filters_enabled); 1024 1025 // Enable container culling if requested on the command line. 1026 settings->setContainerCullingEnabled(prefs.container_culling_enabled); 1027 1028 settings->setAsynchronousSpellCheckingEnabled( 1029 prefs.asynchronous_spell_checking_enabled); 1030 settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled); 1031 1032 // Tabs to link is not part of the settings. WebCore calls 1033 // ChromeClient::tabsToLinks which is part of the glue code. 1034 web_view->setTabsToLinks(prefs.tabs_to_links); 1035 1036 settings->setAllowDisplayOfInsecureContent( 1037 prefs.allow_displaying_insecure_content); 1038 settings->setAllowRunningOfInsecureContent( 1039 prefs.allow_running_insecure_content); 1040 settings->setPasswordEchoEnabled(prefs.password_echo_enabled); 1041 settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds); 1042 settings->setShouldClearDocumentBackground( 1043 prefs.should_clear_document_background); 1044 settings->setEnableScrollAnimator(prefs.enable_scroll_animator); 1045 1046 settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled); 1047 1048 WebRuntimeFeatures::enableTouch(prefs.touch_enabled); 1049 settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points); 1050 settings->setDeviceSupportsTouch(prefs.device_supports_touch); 1051 settings->setDeviceSupportsMouse(prefs.device_supports_mouse); 1052 settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled); 1053 1054 settings->setDeferredImageDecodingEnabled( 1055 prefs.deferred_image_decoding_enabled); 1056 settings->setShouldRespectImageOrientation( 1057 prefs.should_respect_image_orientation); 1058 1059 settings->setUnsafePluginPastingEnabled(false); 1060 settings->setEditingBehavior( 1061 static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior)); 1062 1063 settings->setSupportsMultipleWindows(prefs.supports_multiple_windows); 1064 1065 settings->setViewportEnabled(prefs.viewport_enabled); 1066 settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale); 1067 settings->setViewportMetaEnabled(prefs.viewport_meta_enabled); 1068 settings->setMainFrameResizesAreOrientationChanges( 1069 prefs.main_frame_resizes_are_orientation_changes); 1070 1071 settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled); 1072 1073 settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled); 1074 1075 settings->setSelectionIncludesAltImageText(true); 1076 1077 settings->setV8CacheOptions( 1078 static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options)); 1079 1080 settings->setV8ScriptStreamingEnabled(prefs.v8_script_streaming_enabled); 1081 1082 #if defined(OS_ANDROID) 1083 settings->setAllowCustomScrollbarInMainFrame(false); 1084 settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled); 1085 settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor); 1086 settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment); 1087 settings->setDisallowFullscreenForNonMediaElements( 1088 prefs.disallow_fullscreen_for_non_media_elements); 1089 settings->setFullscreenSupported(prefs.fullscreen_supported); 1090 web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom); 1091 settings->setAutoZoomFocusedNodeToLegibleScale(true); 1092 settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled); 1093 settings->setMediaControlsOverlayPlayButtonEnabled(true); 1094 settings->setMediaPlaybackRequiresUserGesture( 1095 prefs.user_gesture_required_for_media_playback); 1096 settings->setDefaultVideoPosterURL( 1097 base::ASCIIToUTF16(prefs.default_video_poster_url.spec())); 1098 settings->setSupportDeprecatedTargetDensityDPI( 1099 prefs.support_deprecated_target_density_dpi); 1100 settings->setUseLegacyBackgroundSizeShorthandBehavior( 1101 prefs.use_legacy_background_size_shorthand_behavior); 1102 settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk); 1103 settings->setUseWideViewport(prefs.use_wide_viewport); 1104 settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height); 1105 settings->setViewportMetaLayoutSizeQuirk( 1106 prefs.viewport_meta_layout_size_quirk); 1107 settings->setViewportMetaMergeContentQuirk( 1108 prefs.viewport_meta_merge_content_quirk); 1109 settings->setViewportMetaNonUserScalableQuirk( 1110 prefs.viewport_meta_non_user_scalable_quirk); 1111 settings->setViewportMetaZeroValuesQuirk( 1112 prefs.viewport_meta_zero_values_quirk); 1113 settings->setClobberUserAgentInitialScaleQuirk( 1114 prefs.clobber_user_agent_initial_scale_quirk); 1115 settings->setIgnoreMainFrameOverflowHiddenQuirk( 1116 prefs.ignore_main_frame_overflow_hidden_quirk); 1117 settings->setReportScreenSizeInPhysicalPixelsQuirk( 1118 prefs.report_screen_size_in_physical_pixels_quirk); 1119 settings->setMainFrameClipsContent(false); 1120 settings->setShrinksStandaloneImagesToFit(false); 1121 settings->setShrinksViewportContentToFit(true); 1122 #endif 1123 1124 WebNetworkStateNotifier::setOnLine(prefs.is_online); 1125 WebNetworkStateNotifier::setWebConnectionType( 1126 NetConnectionTypeToWebConnectionType(prefs.connection_type)); 1127 settings->setPinchVirtualViewportEnabled( 1128 prefs.pinch_virtual_viewport_enabled); 1129 1130 settings->setPinchOverlayScrollbarThickness( 1131 prefs.pinch_overlay_scrollbar_thickness); 1132 settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars); 1133 } 1134 1135 /*static*/ 1136 RenderViewImpl* RenderViewImpl::Create( 1137 int32 opener_id, 1138 bool window_was_created_with_opener, 1139 const RendererPreferences& renderer_prefs, 1140 const WebPreferences& webkit_prefs, 1141 int32 routing_id, 1142 int32 main_frame_routing_id, 1143 int32 surface_id, 1144 int64 session_storage_namespace_id, 1145 const base::string16& frame_name, 1146 bool is_renderer_created, 1147 bool swapped_out, 1148 int32 proxy_routing_id, 1149 bool hidden, 1150 bool never_visible, 1151 int32 next_page_id, 1152 const ViewMsg_Resize_Params& initial_size, 1153 bool enable_auto_resize, 1154 const gfx::Size& min_size, 1155 const gfx::Size& max_size) { 1156 DCHECK(routing_id != MSG_ROUTING_NONE); 1157 RenderViewImplParams params(opener_id, 1158 window_was_created_with_opener, 1159 renderer_prefs, 1160 webkit_prefs, 1161 routing_id, 1162 main_frame_routing_id, 1163 surface_id, 1164 session_storage_namespace_id, 1165 frame_name, 1166 is_renderer_created, 1167 swapped_out, 1168 proxy_routing_id, 1169 hidden, 1170 never_visible, 1171 next_page_id, 1172 initial_size, 1173 enable_auto_resize, 1174 min_size, 1175 max_size); 1176 RenderViewImpl* render_view = NULL; 1177 if (g_create_render_view_impl) 1178 render_view = g_create_render_view_impl(¶ms); 1179 else 1180 render_view = new RenderViewImpl(¶ms); 1181 1182 render_view->Initialize(¶ms); 1183 return render_view; 1184 } 1185 1186 // static 1187 void RenderViewImpl::InstallCreateHook( 1188 RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*)) { 1189 CHECK(!g_create_render_view_impl); 1190 g_create_render_view_impl = create_render_view_impl; 1191 } 1192 1193 void RenderViewImpl::AddObserver(RenderViewObserver* observer) { 1194 observers_.AddObserver(observer); 1195 } 1196 1197 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) { 1198 observer->RenderViewGone(); 1199 observers_.RemoveObserver(observer); 1200 } 1201 1202 blink::WebView* RenderViewImpl::webview() const { 1203 return static_cast<blink::WebView*>(webwidget()); 1204 } 1205 1206 #if defined(ENABLE_PLUGINS) 1207 void RenderViewImpl::PepperInstanceCreated( 1208 PepperPluginInstanceImpl* instance) { 1209 active_pepper_instances_.insert(instance); 1210 } 1211 1212 void RenderViewImpl::PepperInstanceDeleted( 1213 PepperPluginInstanceImpl* instance) { 1214 active_pepper_instances_.erase(instance); 1215 1216 if (pepper_last_mouse_event_target_ == instance) 1217 pepper_last_mouse_event_target_ = NULL; 1218 if (focused_pepper_plugin_ == instance) 1219 PepperFocusChanged(instance, false); 1220 } 1221 1222 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance, 1223 bool focused) { 1224 if (focused) 1225 focused_pepper_plugin_ = instance; 1226 else if (focused_pepper_plugin_ == instance) 1227 focused_pepper_plugin_ = NULL; 1228 1229 UpdateTextInputType(); 1230 UpdateSelectionBounds(); 1231 } 1232 1233 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) { 1234 plugin_delegates_.insert(delegate); 1235 // If the renderer is visible, set initial visibility and focus state. 1236 if (!is_hidden()) { 1237 #if defined(OS_MACOSX) 1238 delegate->SetContainerVisibility(true); 1239 if (webview() && webview()->isActive()) 1240 delegate->SetWindowFocus(true); 1241 #endif 1242 } 1243 // Plugins start assuming the content has focus (so that they work in 1244 // environments where RenderView isn't hosting them), so we always have to 1245 // set the initial state. See webplugin_delegate_impl.h for details. 1246 delegate->SetContentAreaFocus(has_focus()); 1247 } 1248 1249 void RenderViewImpl::UnregisterPluginDelegate( 1250 WebPluginDelegateProxy* delegate) { 1251 plugin_delegates_.erase(delegate); 1252 } 1253 1254 #if defined(OS_WIN) 1255 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) { 1256 if (focused) 1257 focused_plugin_id_ = plugin_id; 1258 else 1259 focused_plugin_id_ = -1; 1260 } 1261 #endif 1262 1263 #if defined(OS_MACOSX) 1264 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) { 1265 Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id)); 1266 } 1267 1268 void RenderViewImpl::OnGetRenderedText() { 1269 if (!webview()) 1270 return; 1271 // Get rendered text from WebLocalFrame. 1272 // TODO: Currently IPC truncates any data that has a 1273 // size > kMaximumMessageSize. May be split the text into smaller chunks and 1274 // send back using multiple IPC. See http://crbug.com/393444. 1275 static const size_t kMaximumMessageSize = 8 * 1024 * 1024; 1276 std::string text = webview()->mainFrame()->contentAsText( 1277 kMaximumMessageSize).utf8(); 1278 1279 Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text)); 1280 } 1281 1282 void RenderViewImpl::StartPluginIme() { 1283 IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id()); 1284 // This message can be sent during event-handling, and needs to be delivered 1285 // within that context. 1286 msg->set_unblock(true); 1287 Send(msg); 1288 } 1289 #endif // defined(OS_MACOSX) 1290 1291 #endif // ENABLE_PLUGINS 1292 1293 void RenderViewImpl::TransferActiveWheelFlingAnimation( 1294 const blink::WebActiveWheelFlingParameters& params) { 1295 if (webview()) 1296 webview()->transferActiveWheelFlingAnimation(params); 1297 } 1298 1299 bool RenderViewImpl::HasIMETextFocus() { 1300 return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE; 1301 } 1302 1303 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) { 1304 WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL; 1305 if (main_frame && main_frame->isWebLocalFrame()) 1306 GetContentClient()->SetActiveURL(main_frame->document().url()); 1307 1308 ObserverListBase<RenderViewObserver>::Iterator it(observers_); 1309 RenderViewObserver* observer; 1310 while ((observer = it.GetNext()) != NULL) 1311 if (observer->OnMessageReceived(message)) 1312 return true; 1313 1314 bool handled = true; 1315 IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message) 1316 IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand) 1317 IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret) 1318 IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect, 1319 OnScrollFocusedEditableNodeIntoRect) 1320 IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent, 1321 OnSetEditCommandsForNextKeyEvent) 1322 IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt) 1323 IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt) 1324 IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind) 1325 IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding) 1326 IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom) 1327 IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL, 1328 OnSetZoomLevelForLoadingURL) 1329 IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView, 1330 OnSetZoomLevelForView) 1331 IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding) 1332 IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault, 1333 OnResetPageEncodingToDefault) 1334 IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent) 1335 IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter) 1336 IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver) 1337 IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave) 1338 IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop) 1339 IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded) 1340 IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded, 1341 OnDragSourceSystemDragEnded) 1342 IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings) 1343 IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus) 1344 IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck) 1345 IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences) 1346 IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse, 1347 OnEnumerateDirectoryResponse) 1348 IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse) 1349 IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut, 1350 OnSuppressDialogsUntilSwapOut) 1351 IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage) 1352 IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged) 1353 IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted) 1354 IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement) 1355 IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque) 1356 IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode, 1357 OnEnablePreferredSizeChangedMode) 1358 IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize) 1359 IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize) 1360 IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows, 1361 OnDisableScrollbarsForSmallWindows) 1362 IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs) 1363 IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt) 1364 IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt) 1365 IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive) 1366 IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage, 1367 OnGetAllSavableResourceLinksForCurrentPage) 1368 IPC_MESSAGE_HANDLER( 1369 ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks, 1370 OnGetSerializedHtmlDataForCurrentPageWithLocalLinks) 1371 IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu) 1372 // TODO(viettrungluu): Move to a separate message filter. 1373 IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryLengthAndPrune, 1374 OnSetHistoryLengthAndPrune) 1375 IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode) 1376 IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap, 1377 OnReleaseDisambiguationPopupBitmap) 1378 IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted, 1379 OnWindowSnapshotCompleted) 1380 IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw) 1381 IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret) 1382 #if defined(OS_ANDROID) 1383 IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult, 1384 OnActivateNearestFindResult) 1385 IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects) 1386 IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState, 1387 OnUpdateTopControlsState) 1388 IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData) 1389 #elif defined(OS_MACOSX) 1390 IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText, 1391 OnGetRenderedText) 1392 IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted, 1393 OnPluginImeCompositionCompleted) 1394 IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize) 1395 IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility) 1396 IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged) 1397 #endif 1398 // Adding a new message? Add platform independent ones first, then put the 1399 // platform specific ones at the end. 1400 1401 // Have the super handle all other messages. 1402 IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message)) 1403 IPC_END_MESSAGE_MAP() 1404 1405 return handled; 1406 } 1407 1408 void RenderViewImpl::OnSelectWordAroundCaret() { 1409 if (!webview()) 1410 return; 1411 1412 handling_input_event_ = true; 1413 webview()->focusedFrame()->selectWordAroundCaret(); 1414 handling_input_event_ = false; 1415 } 1416 1417 bool RenderViewImpl::IsBackForwardToStaleEntry( 1418 const FrameMsg_Navigate_Params& params, 1419 bool is_reload) { 1420 // Make sure this isn't a back/forward to an entry we have already cropped 1421 // or replaced from our history, before the browser knew about it. If so, 1422 // a new navigation has committed in the mean time, and we can ignore this. 1423 bool is_back_forward = !is_reload && params.page_state.IsValid(); 1424 1425 // Note: if the history_list_length_ is 0 for a back/forward, we must be 1426 // restoring from a previous session. We'll update our state in OnNavigate. 1427 if (!is_back_forward || history_list_length_ <= 0) 1428 return false; 1429 1430 DCHECK_EQ(static_cast<int>(history_page_ids_.size()), history_list_length_); 1431 1432 // Check for whether the forward history has been cropped due to a recent 1433 // navigation the browser didn't know about. 1434 if (params.pending_history_list_offset >= history_list_length_) 1435 return true; 1436 1437 // Check for whether this entry has been replaced with a new one. 1438 int expected_page_id = 1439 history_page_ids_[params.pending_history_list_offset]; 1440 if (expected_page_id > 0 && params.page_id != expected_page_id) { 1441 if (params.page_id < expected_page_id) 1442 return true; 1443 1444 // Otherwise we've removed an earlier entry and should have shifted all 1445 // entries left. For now, it's ok to lazily update the list. 1446 // TODO(creis): Notify all live renderers when we remove entries from 1447 // the front of the list, so that we don't hit this case. 1448 history_page_ids_[params.pending_history_list_offset] = params.page_id; 1449 } 1450 1451 return false; 1452 } 1453 1454 void RenderViewImpl::OnCopyImageAt(int x, int y) { 1455 webview()->copyImageAt(WebPoint(x, y)); 1456 } 1457 1458 void RenderViewImpl::OnSaveImageAt(int x, int y) { 1459 webview()->saveImageAt(WebPoint(x, y)); 1460 } 1461 1462 void RenderViewImpl::OnUpdateTargetURLAck() { 1463 // Check if there is a targeturl waiting to be sent. 1464 if (target_url_status_ == TARGET_PENDING) 1465 Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_)); 1466 1467 target_url_status_ = TARGET_NONE; 1468 } 1469 1470 void RenderViewImpl::OnExecuteEditCommand(const std::string& name, 1471 const std::string& value) { 1472 if (!webview() || !webview()->focusedFrame()) 1473 return; 1474 1475 webview()->focusedFrame()->executeCommand( 1476 WebString::fromUTF8(name), WebString::fromUTF8(value)); 1477 } 1478 1479 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) { 1480 if (!webview()) 1481 return; 1482 1483 Send(new ViewHostMsg_MoveCaret_ACK(routing_id_)); 1484 1485 webview()->focusedFrame()->moveCaretSelection(point); 1486 } 1487 1488 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect( 1489 const gfx::Rect& rect) { 1490 if (has_scrolled_focused_editable_node_into_rect_ && 1491 rect == rect_for_scrolled_focused_editable_node_) { 1492 return; 1493 } 1494 1495 blink::WebElement element = GetFocusedElement(); 1496 if (!element.isNull() && IsEditableNode(element)) { 1497 rect_for_scrolled_focused_editable_node_ = rect; 1498 has_scrolled_focused_editable_node_into_rect_ = true; 1499 webview()->scrollFocusedNodeIntoRect(rect); 1500 } 1501 } 1502 1503 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent( 1504 const EditCommands& edit_commands) { 1505 edit_commands_ = edit_commands; 1506 } 1507 1508 void RenderViewImpl::OnSetHistoryLengthAndPrune(int history_length, 1509 int32 minimum_page_id) { 1510 DCHECK_GE(history_length, 0); 1511 DCHECK(history_list_offset_ == history_list_length_ - 1); 1512 DCHECK_GE(minimum_page_id, -1); 1513 1514 // Generate the new list. 1515 std::vector<int32> new_history_page_ids(history_length, -1); 1516 for (size_t i = 0; i < history_page_ids_.size(); ++i) { 1517 if (minimum_page_id >= 0 && history_page_ids_[i] < minimum_page_id) 1518 continue; 1519 new_history_page_ids.push_back(history_page_ids_[i]); 1520 } 1521 new_history_page_ids.swap(history_page_ids_); 1522 1523 // Update indexes. 1524 history_list_length_ = history_page_ids_.size(); 1525 history_list_offset_ = history_list_length_ - 1; 1526 } 1527 1528 1529 void RenderViewImpl::OnSetInitialFocus(bool reverse) { 1530 if (!webview()) 1531 return; 1532 webview()->setInitialFocus(reverse); 1533 } 1534 1535 #if defined(OS_MACOSX) 1536 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) { 1537 if (!webview()) 1538 return; 1539 if (in_live_resize) 1540 webview()->willStartLiveResize(); 1541 else 1542 webview()->willEndLiveResize(); 1543 } 1544 #endif 1545 1546 /////////////////////////////////////////////////////////////////////////////// 1547 1548 // Sends the current history state to the browser so it will be saved before we 1549 // navigate to a new page. 1550 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) { 1551 // If we have a valid page ID at this point, then it corresponds to the page 1552 // we are navigating away from. Otherwise, this is the first navigation, so 1553 // there is no past session history to record. 1554 if (page_id_ == -1) 1555 return; 1556 SendUpdateState(history_controller_->GetCurrentEntry()); 1557 } 1558 1559 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) { 1560 if (!entry) 1561 return; 1562 1563 // Don't send state updates for kSwappedOutURL. 1564 if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL)) 1565 return; 1566 1567 Send(new ViewHostMsg_UpdateState( 1568 routing_id_, page_id_, HistoryEntryToPageState(entry))); 1569 } 1570 1571 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) { 1572 // Before WebKit asks us to show an alert (etc.), it takes care of doing the 1573 // equivalent of WebView::willEnterModalLoop. In the case of showModalDialog 1574 // it is particularly important that we do not call willEnterModalLoop as 1575 // that would defer resource loads for the dialog itself. 1576 if (RenderThreadImpl::current()) // Will be NULL during unit tests. 1577 RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop(); 1578 1579 message->EnableMessagePumping(); // Runs a nested message loop. 1580 return Send(message); 1581 } 1582 1583 void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) { 1584 int id = next_snapshot_id_++; 1585 pending_snapshots_.insert(std::make_pair(id, callback)); 1586 ui::LatencyInfo latency_info; 1587 latency_info.AddLatencyNumber(ui::WINDOW_OLD_SNAPSHOT_FRAME_NUMBER_COMPONENT, 1588 0, 1589 id); 1590 scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor; 1591 if (RenderWidgetCompositor* rwc = compositor()) { 1592 latency_info_swap_promise_monitor = 1593 rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass(); 1594 } 1595 ScheduleCompositeWithForcedRedraw(); 1596 } 1597 1598 void RenderViewImpl::OnForceRedraw(int id) { 1599 ui::LatencyInfo latency_info; 1600 if (id) { 1601 latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT, 1602 0, 1603 id); 1604 } 1605 scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor; 1606 if (RenderWidgetCompositor* rwc = compositor()) { 1607 latency_info_swap_promise_monitor = 1608 rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass(); 1609 } 1610 ScheduleCompositeWithForcedRedraw(); 1611 } 1612 1613 void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id, 1614 const gfx::Size& size, const std::vector<unsigned char>& png) { 1615 1616 // Any pending snapshots with a lower ID than the one received are considered 1617 // to be implicitly complete, and returned the same snapshot data. 1618 PendingSnapshotMap::iterator it = pending_snapshots_.begin(); 1619 while(it != pending_snapshots_.end()) { 1620 if (it->first <= snapshot_id) { 1621 it->second.Run(size, png); 1622 pending_snapshots_.erase(it++); 1623 } else { 1624 ++it; 1625 } 1626 } 1627 } 1628 1629 // blink::WebViewClient ------------------------------------------------------ 1630 1631 WebView* RenderViewImpl::createView(WebLocalFrame* creator, 1632 const WebURLRequest& request, 1633 const WebWindowFeatures& features, 1634 const WebString& frame_name, 1635 WebNavigationPolicy policy, 1636 bool suppress_opener) { 1637 ViewHostMsg_CreateWindow_Params params; 1638 params.opener_id = routing_id_; 1639 params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); 1640 if (GetContentClient()->renderer()->AllowPopup()) 1641 params.user_gesture = true; 1642 params.window_container_type = WindowFeaturesToContainerType(features); 1643 params.session_storage_namespace_id = session_storage_namespace_id_; 1644 if (frame_name != "_blank") 1645 params.frame_name = frame_name; 1646 params.opener_render_frame_id = 1647 RenderFrameImpl::FromWebFrame(creator)->GetRoutingID(); 1648 params.opener_url = creator->document().url(); 1649 params.opener_top_level_frame_url = creator->top()->document().url(); 1650 GURL security_url(creator->document().securityOrigin().toString()); 1651 if (!security_url.is_valid()) 1652 security_url = GURL(); 1653 params.opener_security_origin = security_url; 1654 params.opener_suppressed = suppress_opener; 1655 params.disposition = NavigationPolicyToDisposition(policy); 1656 if (!request.isNull()) { 1657 params.target_url = request.url(); 1658 params.referrer = GetReferrerFromRequest(creator, request); 1659 } 1660 params.features = features; 1661 1662 for (size_t i = 0; i < features.additionalFeatures.size(); ++i) 1663 params.additional_features.push_back(features.additionalFeatures[i]); 1664 1665 int32 routing_id = MSG_ROUTING_NONE; 1666 int32 main_frame_routing_id = MSG_ROUTING_NONE; 1667 int32 surface_id = 0; 1668 int64 cloned_session_storage_namespace_id = 0; 1669 1670 RenderThread::Get()->Send( 1671 new ViewHostMsg_CreateWindow(params, 1672 &routing_id, 1673 &main_frame_routing_id, 1674 &surface_id, 1675 &cloned_session_storage_namespace_id)); 1676 if (routing_id == MSG_ROUTING_NONE) 1677 return NULL; 1678 1679 WebUserGestureIndicator::consumeUserGesture(); 1680 1681 // While this view may be a background extension page, it can spawn a visible 1682 // render view. So we just assume that the new one is not another background 1683 // page instead of passing on our own value. 1684 // TODO(vangelis): Can we tell if the new view will be a background page? 1685 bool never_visible = false; 1686 1687 ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params(); 1688 initial_size.screen_info = screen_info_; 1689 1690 // The initial hidden state for the RenderViewImpl here has to match what the 1691 // browser will eventually decide for the given disposition. Since we have to 1692 // return from this call synchronously, we just have to make our best guess 1693 // and rely on the browser sending a WasHidden / WasShown message if it 1694 // disagrees. 1695 RenderViewImpl* view = RenderViewImpl::Create( 1696 routing_id_, 1697 true, // window_was_created_with_opener 1698 renderer_preferences_, 1699 webkit_preferences_, 1700 routing_id, 1701 main_frame_routing_id, 1702 surface_id, 1703 cloned_session_storage_namespace_id, 1704 base::string16(), // WebCore will take care of setting the correct name. 1705 true, // is_renderer_created 1706 false, // swapped_out 1707 MSG_ROUTING_NONE, // proxy_routing_id 1708 params.disposition == NEW_BACKGROUND_TAB, // hidden 1709 never_visible, 1710 1, // next_page_id 1711 initial_size, 1712 false, // enable_auto_resize 1713 gfx::Size(), // min_size 1714 gfx::Size() // max_size 1715 ); 1716 view->opened_by_user_gesture_ = params.user_gesture; 1717 1718 // Record whether the creator frame is trying to suppress the opener field. 1719 view->opener_suppressed_ = params.opener_suppressed; 1720 1721 return view->webview(); 1722 } 1723 1724 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) { 1725 RenderWidget* widget = 1726 RenderWidget::Create(routing_id_, popup_type, screen_info_); 1727 if (!widget) 1728 return NULL; 1729 if (screen_metrics_emulator_) { 1730 widget->SetPopupOriginAdjustmentsForEmulation( 1731 screen_metrics_emulator_.get()); 1732 } 1733 return widget->webwidget(); 1734 } 1735 1736 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() { 1737 CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId); 1738 return new WebStorageNamespaceImpl(session_storage_namespace_id_); 1739 } 1740 1741 void RenderViewImpl::printPage(WebLocalFrame* frame) { 1742 FOR_EACH_OBSERVER(RenderViewObserver, observers_, 1743 PrintPage(frame, handling_input_event_)); 1744 } 1745 1746 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) { 1747 // Note: We should basically send GURL but we use size-limited string instead 1748 // in order to send a larger data url to save a image for <canvas> or <img>. 1749 if (data_url.length() < kMaxLengthOfDataURLString) 1750 Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8())); 1751 } 1752 1753 bool RenderViewImpl::enumerateChosenDirectory( 1754 const WebString& path, 1755 WebFileChooserCompletion* chooser_completion) { 1756 int id = enumeration_completion_id_++; 1757 enumeration_completions_[id] = chooser_completion; 1758 return Send(new ViewHostMsg_EnumerateDirectory( 1759 routing_id_, 1760 id, 1761 base::FilePath::FromUTF16Unsafe(path))); 1762 } 1763 1764 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) { 1765 DCHECK_GE(frames_in_progress_, 0); 1766 if (frames_in_progress_ == 0) 1767 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading()); 1768 frames_in_progress_++; 1769 } 1770 1771 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) { 1772 // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes 1773 // calls DidStopLoading() without a matching DidStartLoading(). 1774 if (frames_in_progress_ == 0) 1775 return; 1776 frames_in_progress_--; 1777 if (frames_in_progress_ == 0) { 1778 DidStopLoadingIcons(); 1779 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading()); 1780 } 1781 } 1782 1783 void RenderViewImpl::didCancelCompositionOnSelectionChange() { 1784 Send(new InputHostMsg_ImeCancelComposition(routing_id())); 1785 } 1786 1787 bool RenderViewImpl::handleCurrentKeyboardEvent() { 1788 if (edit_commands_.empty()) 1789 return false; 1790 1791 WebFrame* frame = webview()->focusedFrame(); 1792 if (!frame) 1793 return false; 1794 1795 EditCommands::iterator it = edit_commands_.begin(); 1796 EditCommands::iterator end = edit_commands_.end(); 1797 1798 bool did_execute_command = false; 1799 for (; it != end; ++it) { 1800 // In gtk and cocoa, it's possible to bind multiple edit commands to one 1801 // key (but it's the exception). Once one edit command is not executed, it 1802 // seems safest to not execute the rest. 1803 if (!frame->executeCommand(WebString::fromUTF8(it->name), 1804 WebString::fromUTF8(it->value), 1805 GetFocusedElement())) 1806 break; 1807 did_execute_command = true; 1808 } 1809 1810 return did_execute_command; 1811 } 1812 1813 bool RenderViewImpl::runFileChooser( 1814 const blink::WebFileChooserParams& params, 1815 WebFileChooserCompletion* chooser_completion) { 1816 // Do not open the file dialog in a hidden RenderView. 1817 if (is_hidden()) 1818 return false; 1819 FileChooserParams ipc_params; 1820 if (params.directory) 1821 ipc_params.mode = FileChooserParams::UploadFolder; 1822 else if (params.multiSelect) 1823 ipc_params.mode = FileChooserParams::OpenMultiple; 1824 else if (params.saveAs) 1825 ipc_params.mode = FileChooserParams::Save; 1826 else 1827 ipc_params.mode = FileChooserParams::Open; 1828 ipc_params.title = params.title; 1829 ipc_params.default_file_name = 1830 base::FilePath::FromUTF16Unsafe(params.initialValue); 1831 ipc_params.accept_types.reserve(params.acceptTypes.size()); 1832 for (size_t i = 0; i < params.acceptTypes.size(); ++i) 1833 ipc_params.accept_types.push_back(params.acceptTypes[i]); 1834 #if defined(OS_ANDROID) 1835 ipc_params.capture = params.useMediaCapture; 1836 #endif 1837 1838 return ScheduleFileChooser(ipc_params, chooser_completion); 1839 } 1840 1841 void RenderViewImpl::SetValidationMessageDirection( 1842 base::string16* wrapped_main_text, 1843 blink::WebTextDirection main_text_hint, 1844 base::string16* wrapped_sub_text, 1845 blink::WebTextDirection sub_text_hint) { 1846 if (main_text_hint == blink::WebTextDirectionLeftToRight) { 1847 *wrapped_main_text = 1848 base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text); 1849 } else if (main_text_hint == blink::WebTextDirectionRightToLeft && 1850 !base::i18n::IsRTL()) { 1851 base::i18n::WrapStringWithRTLFormatting(wrapped_main_text); 1852 } 1853 1854 if (!wrapped_sub_text->empty()) { 1855 if (sub_text_hint == blink::WebTextDirectionLeftToRight) { 1856 *wrapped_sub_text = 1857 base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text); 1858 } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) { 1859 base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text); 1860 } 1861 } 1862 } 1863 1864 void RenderViewImpl::showValidationMessage( 1865 const blink::WebRect& anchor_in_root_view, 1866 const blink::WebString& main_text, 1867 blink::WebTextDirection main_text_hint, 1868 const blink::WebString& sub_text, 1869 blink::WebTextDirection sub_text_hint) { 1870 base::string16 wrapped_main_text = main_text; 1871 base::string16 wrapped_sub_text = sub_text; 1872 1873 SetValidationMessageDirection( 1874 &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint); 1875 1876 Send(new ViewHostMsg_ShowValidationMessage( 1877 routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view), 1878 wrapped_main_text, wrapped_sub_text)); 1879 } 1880 1881 void RenderViewImpl::hideValidationMessage() { 1882 Send(new ViewHostMsg_HideValidationMessage(routing_id())); 1883 } 1884 1885 void RenderViewImpl::moveValidationMessage( 1886 const blink::WebRect& anchor_in_root_view) { 1887 Send(new ViewHostMsg_MoveValidationMessage( 1888 routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view))); 1889 } 1890 1891 void RenderViewImpl::setStatusText(const WebString& text) { 1892 } 1893 1894 void RenderViewImpl::UpdateTargetURL(const GURL& url, 1895 const GURL& fallback_url) { 1896 GURL latest_url = url.is_empty() ? fallback_url : url; 1897 if (latest_url == target_url_) 1898 return; 1899 1900 // Tell the browser to display a destination link. 1901 if (target_url_status_ == TARGET_INFLIGHT || 1902 target_url_status_ == TARGET_PENDING) { 1903 // If we have a request in-flight, save the URL to be sent when we 1904 // receive an ACK to the in-flight request. We can happily overwrite 1905 // any existing pending sends. 1906 pending_target_url_ = latest_url; 1907 target_url_status_ = TARGET_PENDING; 1908 } else { 1909 // URLs larger than |MaxURLChars()| cannot be sent through IPC - 1910 // see |ParamTraits<GURL>|. 1911 if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars()) 1912 latest_url = GURL(); 1913 Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url)); 1914 target_url_ = latest_url; 1915 target_url_status_ = TARGET_INFLIGHT; 1916 } 1917 } 1918 1919 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect( 1920 const gfx::RectF& rect) const { 1921 gfx::RectF window_rect = rect; 1922 window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor()); 1923 return window_rect; 1924 } 1925 1926 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() { 1927 // No need to update state if no page has committed yet. 1928 if (page_id_ == -1) 1929 return; 1930 1931 int delay; 1932 if (send_content_state_immediately_) 1933 delay = 0; 1934 else if (is_hidden()) 1935 delay = kDelaySecondsForContentStateSyncHidden; 1936 else 1937 delay = kDelaySecondsForContentStateSync; 1938 1939 if (nav_state_sync_timer_.IsRunning()) { 1940 // The timer is already running. If the delay of the timer maches the amount 1941 // we want to delay by, then return. Otherwise stop the timer so that it 1942 // gets started with the right delay. 1943 if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay) 1944 return; 1945 nav_state_sync_timer_.Stop(); 1946 } 1947 1948 nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this, 1949 &RenderViewImpl::SyncNavigationState); 1950 } 1951 1952 void RenderViewImpl::setMouseOverURL(const WebURL& url) { 1953 mouse_over_url_ = GURL(url); 1954 UpdateTargetURL(mouse_over_url_, focus_url_); 1955 } 1956 1957 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) { 1958 focus_url_ = GURL(url); 1959 UpdateTargetURL(focus_url_, mouse_over_url_); 1960 } 1961 1962 void RenderViewImpl::startDragging(WebLocalFrame* frame, 1963 const WebDragData& data, 1964 WebDragOperationsMask mask, 1965 const WebImage& image, 1966 const WebPoint& webImageOffset) { 1967 DropData drop_data(DropDataBuilder::Build(data)); 1968 drop_data.referrer_policy = frame->document().referrerPolicy(); 1969 gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y); 1970 Send(new DragHostMsg_StartDragging(routing_id_, 1971 drop_data, 1972 mask, 1973 image.getSkBitmap(), 1974 imageOffset, 1975 possible_drag_event_info_)); 1976 } 1977 1978 bool RenderViewImpl::acceptsLoadDrops() { 1979 return renderer_preferences_.can_accept_load_drops; 1980 } 1981 1982 void RenderViewImpl::focusNext() { 1983 Send(new ViewHostMsg_TakeFocus(routing_id_, false)); 1984 } 1985 1986 void RenderViewImpl::focusPrevious() { 1987 Send(new ViewHostMsg_TakeFocus(routing_id_, true)); 1988 } 1989 1990 void RenderViewImpl::focusedNodeChanged(const WebNode& node) { 1991 has_scrolled_focused_editable_node_into_rect_ = false; 1992 1993 Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(node))); 1994 1995 FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(node)); 1996 1997 // TODO(dmazzoni): this should be part of RenderFrameObserver. 1998 GetMainRenderFrame()->FocusedNodeChanged(node); 1999 } 2000 2001 void RenderViewImpl::didUpdateLayout() { 2002 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout()); 2003 2004 // We don't always want to set up a timer, only if we've been put in that 2005 // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode| 2006 // message. 2007 if (!send_preferred_size_changes_ || !webview()) 2008 return; 2009 2010 if (check_preferred_size_timer_.IsRunning()) 2011 return; 2012 check_preferred_size_timer_.Start(FROM_HERE, 2013 TimeDelta::FromMilliseconds(0), this, 2014 &RenderViewImpl::CheckPreferredSize); 2015 } 2016 2017 void RenderViewImpl::navigateBackForwardSoon(int offset) { 2018 Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset)); 2019 } 2020 2021 int RenderViewImpl::historyBackListCount() { 2022 return history_list_offset_ < 0 ? 0 : history_list_offset_; 2023 } 2024 2025 int RenderViewImpl::historyForwardListCount() { 2026 return history_list_length_ - historyBackListCount() - 1; 2027 } 2028 2029 // blink::WebWidgetClient ---------------------------------------------------- 2030 2031 void RenderViewImpl::didFocus() { 2032 // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed 2033 // we won't have to test for user gesture anymore and we can 2034 // move that code back to render_widget.cc 2035 if (WebUserGestureIndicator::isProcessingUserGesture() && 2036 !RenderThreadImpl::current()->layout_test_mode()) { 2037 Send(new ViewHostMsg_Focus(routing_id_)); 2038 } 2039 } 2040 2041 void RenderViewImpl::didBlur() { 2042 // TODO(jcivelli): see TODO above in didFocus(). 2043 if (WebUserGestureIndicator::isProcessingUserGesture() && 2044 !RenderThreadImpl::current()->layout_test_mode()) { 2045 Send(new ViewHostMsg_Blur(routing_id_)); 2046 } 2047 } 2048 2049 // We are supposed to get a single call to Show for a newly created RenderView 2050 // that was created via RenderViewImpl::CreateWebView. So, we wait until this 2051 // point to dispatch the ShowView message. 2052 // 2053 // This method provides us with the information about how to display the newly 2054 // created RenderView (i.e., as a blocked popup or as a new tab). 2055 // 2056 void RenderViewImpl::show(WebNavigationPolicy policy) { 2057 if (did_show_) { 2058 // When supports_multiple_windows is disabled, popups are reusing 2059 // the same view. In some scenarios, this makes WebKit to call show() twice. 2060 if (webkit_preferences_.supports_multiple_windows) 2061 NOTREACHED() << "received extraneous Show call"; 2062 return; 2063 } 2064 did_show_ = true; 2065 2066 DCHECK(opener_id_ != MSG_ROUTING_NONE); 2067 2068 // NOTE: initial_pos_ may still have its default values at this point, but 2069 // that's okay. It'll be ignored if disposition is not NEW_POPUP, or the 2070 // browser process will impose a default position otherwise. 2071 Send(new ViewHostMsg_ShowView(opener_id_, routing_id_, 2072 NavigationPolicyToDisposition(policy), initial_pos_, 2073 opened_by_user_gesture_)); 2074 SetPendingWindowRect(initial_pos_); 2075 } 2076 2077 void RenderViewImpl::runModal() { 2078 DCHECK(did_show_) << "should already have shown the view"; 2079 2080 // Don't allow further dialogs if we are waiting to swap out, since the 2081 // PageGroupLoadDeferrer in our stack prevents it. 2082 if (suppress_dialogs_until_swap_out_) 2083 return; 2084 2085 // We must keep WebKit's shared timer running in this case in order to allow 2086 // showModalDialog to function properly. 2087 // 2088 // TODO(darin): WebKit should really be smarter about suppressing events and 2089 // timers so that we do not need to manage the shared timer in such a heavy 2090 // handed manner. 2091 // 2092 if (RenderThreadImpl::current()) // Will be NULL during unit tests. 2093 RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer(); 2094 2095 SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal( 2096 routing_id_, opener_id_)); 2097 } 2098 2099 bool RenderViewImpl::enterFullScreen() { 2100 Send(new ViewHostMsg_ToggleFullscreen(routing_id_, true)); 2101 return true; 2102 } 2103 2104 void RenderViewImpl::exitFullScreen() { 2105 Send(new ViewHostMsg_ToggleFullscreen(routing_id_, false)); 2106 } 2107 2108 bool RenderViewImpl::requestPointerLock() { 2109 return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get()); 2110 } 2111 2112 void RenderViewImpl::requestPointerUnlock() { 2113 mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get()); 2114 } 2115 2116 bool RenderViewImpl::isPointerLocked() { 2117 return mouse_lock_dispatcher_->IsMouseLockedTo( 2118 webwidget_mouse_lock_target_.get()); 2119 } 2120 2121 void RenderViewImpl::didHandleGestureEvent( 2122 const WebGestureEvent& event, 2123 bool event_cancelled) { 2124 RenderWidget::didHandleGestureEvent(event, event_cancelled); 2125 2126 if (!event_cancelled) { 2127 FOR_EACH_OBSERVER( 2128 RenderViewObserver, observers_, DidHandleGestureEvent(event)); 2129 } 2130 2131 if (event.type != blink::WebGestureEvent::GestureTap) 2132 return; 2133 2134 // TODO(estade): hit test the event against focused node to make sure 2135 // the tap actually hit the focused node. 2136 blink::WebTextInputType text_input_type = 2137 GetWebView()->textInputInfo().type; 2138 2139 Send(new ViewHostMsg_FocusedNodeTouched( 2140 routing_id(), text_input_type != blink::WebTextInputTypeNone)); 2141 } 2142 2143 void RenderViewImpl::initializeLayerTreeView() { 2144 RenderWidget::initializeLayerTreeView(); 2145 RenderWidgetCompositor* rwc = compositor(); 2146 if (!rwc) 2147 return; 2148 if (webview() && webview()->devToolsAgent()) 2149 webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId()); 2150 2151 #if !defined(OS_MACOSX) // many events are unhandled - http://crbug.com/138003 2152 RenderThreadImpl* render_thread = RenderThreadImpl::current(); 2153 // render_thread may be NULL in tests. 2154 InputHandlerManager* input_handler_manager = 2155 render_thread ? render_thread->input_handler_manager() : NULL; 2156 if (input_handler_manager) { 2157 input_handler_manager->AddInputHandler( 2158 routing_id_, rwc->GetInputHandler(), AsWeakPtr()); 2159 } 2160 #endif 2161 } 2162 2163 // blink::WebFrameClient ----------------------------------------------------- 2164 2165 void RenderViewImpl::Repaint(const gfx::Size& size) { 2166 OnRepaint(size); 2167 } 2168 2169 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name, 2170 const std::string& value) { 2171 EditCommands edit_commands; 2172 edit_commands.push_back(EditCommand(name, value)); 2173 OnSetEditCommandsForNextKeyEvent(edit_commands); 2174 } 2175 2176 void RenderViewImpl::ClearEditCommands() { 2177 edit_commands_.clear(); 2178 } 2179 2180 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const { 2181 std::string security_info; 2182 if (frame && frame->dataSource()) 2183 security_info = frame->dataSource()->response().securityInfo(); 2184 2185 SSLStatus ssl_status; 2186 DeserializeSecurityInfo(security_info, 2187 &ssl_status.cert_id, 2188 &ssl_status.cert_status, 2189 &ssl_status.security_bits, 2190 &ssl_status.connection_status, 2191 &ssl_status.signed_certificate_timestamp_ids); 2192 return ssl_status; 2193 } 2194 2195 const std::string& RenderViewImpl::GetAcceptLanguages() const { 2196 return renderer_preferences_.accept_languages; 2197 } 2198 2199 void RenderViewImpl::didCreateDataSource(WebLocalFrame* frame, 2200 WebDataSource* ds) { 2201 bool content_initiated = !pending_navigation_params_.get(); 2202 2203 // Make sure any previous redirect URLs end up in our new data source. 2204 if (pending_navigation_params_.get()) { 2205 for (std::vector<GURL>::const_iterator i = 2206 pending_navigation_params_->redirects.begin(); 2207 i != pending_navigation_params_->redirects.end(); ++i) { 2208 ds->appendRedirect(*i); 2209 } 2210 } 2211 2212 DocumentState* document_state = DocumentState::FromDataSource(ds); 2213 if (!document_state) { 2214 document_state = new DocumentState; 2215 ds->setExtraData(document_state); 2216 if (!content_initiated) 2217 PopulateDocumentStateFromPending(document_state); 2218 } 2219 2220 // Carry over the user agent override flag, if it exists. 2221 if (content_initiated && webview() && webview()->mainFrame() && 2222 webview()->mainFrame()->isWebLocalFrame() && 2223 webview()->mainFrame()->dataSource()) { 2224 DocumentState* old_document_state = 2225 DocumentState::FromDataSource(webview()->mainFrame()->dataSource()); 2226 if (old_document_state) { 2227 InternalDocumentStateData* internal_data = 2228 InternalDocumentStateData::FromDocumentState(document_state); 2229 InternalDocumentStateData* old_internal_data = 2230 InternalDocumentStateData::FromDocumentState(old_document_state); 2231 internal_data->set_is_overriding_user_agent( 2232 old_internal_data->is_overriding_user_agent()); 2233 } 2234 } 2235 2236 // The rest of RenderView assumes that a WebDataSource will always have a 2237 // non-null NavigationState. 2238 if (content_initiated) { 2239 document_state->set_navigation_state( 2240 NavigationState::CreateContentInitiated()); 2241 } else { 2242 document_state->set_navigation_state(CreateNavigationStateFromPending()); 2243 pending_navigation_params_.reset(); 2244 } 2245 2246 // DocumentState::referred_by_prefetcher_ is true if we are 2247 // navigating from a page that used prefetching using a link on that 2248 // page. We are early enough in the request process here that we 2249 // can still see the DocumentState of the previous page and set 2250 // this value appropriately. 2251 // TODO(gavinp): catch the important case of navigation in a new 2252 // renderer process. 2253 if (webview()) { 2254 if (WebFrame* old_frame = webview()->mainFrame()) { 2255 const WebURLRequest& original_request = ds->originalRequest(); 2256 const GURL referrer( 2257 original_request.httpHeaderField(WebString::fromUTF8("Referer"))); 2258 if (!referrer.is_empty() && old_frame->isWebLocalFrame() && 2259 DocumentState::FromDataSource(old_frame->dataSource()) 2260 ->was_prefetcher()) { 2261 for (; old_frame; old_frame = old_frame->traverseNext(false)) { 2262 WebDataSource* old_frame_ds = old_frame->dataSource(); 2263 if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) { 2264 document_state->set_was_referred_by_prefetcher(true); 2265 break; 2266 } 2267 } 2268 } 2269 } 2270 } 2271 2272 if (content_initiated) { 2273 const WebURLRequest& request = ds->request(); 2274 switch (request.cachePolicy()) { 2275 case WebURLRequest::UseProtocolCachePolicy: // normal load. 2276 document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL); 2277 break; 2278 case WebURLRequest::ReloadIgnoringCacheData: // reload. 2279 case WebURLRequest::ReloadBypassingCache: // end-to-end reload. 2280 document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD); 2281 break; 2282 case WebURLRequest::ReturnCacheDataElseLoad: // allow stale data. 2283 document_state->set_load_type( 2284 DocumentState::LINK_LOAD_CACHE_STALE_OK); 2285 break; 2286 case WebURLRequest::ReturnCacheDataDontLoad: // Don't re-post. 2287 document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY); 2288 break; 2289 default: 2290 NOTREACHED(); 2291 } 2292 } 2293 2294 FOR_EACH_OBSERVER( 2295 RenderViewObserver, observers_, DidCreateDataSource(frame, ds)); 2296 } 2297 2298 void RenderViewImpl::PopulateDocumentStateFromPending( 2299 DocumentState* document_state) { 2300 const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get(); 2301 document_state->set_request_time(params.request_time); 2302 2303 InternalDocumentStateData* internal_data = 2304 InternalDocumentStateData::FromDocumentState(document_state); 2305 2306 if (!params.url.SchemeIs(url::kJavaScriptScheme) && 2307 params.navigation_type == FrameMsg_Navigate_Type::RESTORE) { 2308 // We're doing a load of a page that was restored from the last session. By 2309 // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which 2310 // can result in stale data for pages that are set to expire. We explicitly 2311 // override that by setting the policy here so that as necessary we load 2312 // from the network. 2313 // 2314 // TODO(davidben): Remove this in favor of passing a cache policy to the 2315 // loadHistoryItem call in OnNavigate. That requires not overloading 2316 // UseProtocolCachePolicy to mean both "normal load" and "determine cache 2317 // policy based on load type, etc". 2318 internal_data->set_cache_policy_override( 2319 WebURLRequest::UseProtocolCachePolicy); 2320 } 2321 2322 if (IsReload(params)) 2323 document_state->set_load_type(DocumentState::RELOAD); 2324 else if (params.page_state.IsValid()) 2325 document_state->set_load_type(DocumentState::HISTORY_LOAD); 2326 else 2327 document_state->set_load_type(DocumentState::NORMAL_LOAD); 2328 2329 internal_data->set_is_overriding_user_agent(params.is_overriding_user_agent); 2330 internal_data->set_must_reset_scroll_and_scale_state( 2331 params.navigation_type == 2332 FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL); 2333 document_state->set_can_load_local_resources(params.can_load_local_resources); 2334 } 2335 2336 NavigationState* RenderViewImpl::CreateNavigationStateFromPending() { 2337 const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get(); 2338 NavigationState* navigation_state = NULL; 2339 2340 // A navigation resulting from loading a javascript URL should not be treated 2341 // as a browser initiated event. Instead, we want it to look as if the page 2342 // initiated any load resulting from JS execution. 2343 if (!params.url.SchemeIs(url::kJavaScriptScheme)) { 2344 navigation_state = NavigationState::CreateBrowserInitiated( 2345 params.page_id, 2346 params.pending_history_list_offset, 2347 params.should_clear_history_list, 2348 params.transition); 2349 navigation_state->set_should_replace_current_entry( 2350 params.should_replace_current_entry); 2351 navigation_state->set_transferred_request_child_id( 2352 params.transferred_request_child_id); 2353 navigation_state->set_transferred_request_request_id( 2354 params.transferred_request_request_id); 2355 navigation_state->set_allow_download(params.allow_download); 2356 navigation_state->set_extra_headers(params.extra_headers); 2357 } else { 2358 navigation_state = NavigationState::CreateContentInitiated(); 2359 } 2360 return navigation_state; 2361 } 2362 2363 void RenderViewImpl::ProcessViewLayoutFlags(const CommandLine& command_line) { 2364 bool enable_viewport = 2365 command_line.HasSwitch(switches::kEnableViewport) || 2366 command_line.HasSwitch(switches::kEnableViewportMeta); 2367 2368 // If viewport tag is enabled, then the WebKit side will take care 2369 // of setting the fixed layout size and page scale limits. 2370 if (enable_viewport) 2371 return; 2372 2373 // When navigating to a new page, reset the page scale factor to be 1.0. 2374 webview()->setInitialPageScaleOverride(1.f); 2375 2376 float maxPageScaleFactor = 2377 command_line.HasSwitch(switches::kEnablePinch) ? 4.f : 1.f ; 2378 webview()->setPageScaleFactorLimits(1, maxPageScaleFactor); 2379 } 2380 2381 void RenderViewImpl::didClearWindowObject(WebLocalFrame* frame) { 2382 FOR_EACH_OBSERVER( 2383 RenderViewObserver, observers_, DidClearWindowObject(frame)); 2384 2385 if (enabled_bindings_& BINDINGS_POLICY_WEB_UI) 2386 WebUIExtension::Install(frame); 2387 2388 if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION) 2389 StatsCollectionController::Install(frame); 2390 2391 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 2392 2393 if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking)) 2394 SkiaBenchmarking::Install(frame); 2395 2396 if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking)) 2397 MemoryBenchmarkingExtension::Install(frame); 2398 } 2399 2400 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame, 2401 WebIconURL::Type icon_type) { 2402 if (frame->parent()) 2403 return; 2404 2405 if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon) 2406 return; 2407 2408 WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type); 2409 std::vector<FaviconURL> urls; 2410 for (size_t i = 0; i < icon_urls.size(); i++) { 2411 std::vector<gfx::Size> sizes; 2412 ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes); 2413 urls.push_back(FaviconURL( 2414 icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes)); 2415 } 2416 SendUpdateFaviconURL(urls); 2417 } 2418 2419 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) { 2420 StartNavStateSyncTimerIfNecessary(); 2421 } 2422 2423 void RenderViewImpl::CheckPreferredSize() { 2424 // We don't always want to send the change messages over IPC, only if we've 2425 // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode| 2426 // message. 2427 if (!send_preferred_size_changes_ || !webview()) 2428 return; 2429 2430 gfx::Size size = webview()->contentsPreferredMinimumSize(); 2431 2432 // In the presence of zoom, these sizes are still reported as if unzoomed, 2433 // so we need to adjust. 2434 double zoom_factor = ZoomLevelToZoomFactor(webview()->zoomLevel()); 2435 size.set_width(static_cast<int>(size.width() * zoom_factor)); 2436 size.set_height(static_cast<int>(size.height() * zoom_factor)); 2437 2438 if (size == preferred_size_) 2439 return; 2440 2441 preferred_size_ = size; 2442 Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_, 2443 preferred_size_)); 2444 } 2445 2446 BrowserPluginManager* RenderViewImpl::GetBrowserPluginManager() { 2447 if (!browser_plugin_manager_.get()) 2448 browser_plugin_manager_ = BrowserPluginManager::Create(this); 2449 return browser_plugin_manager_.get(); 2450 } 2451 2452 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) { 2453 StartNavStateSyncTimerIfNecessary(); 2454 2455 FOR_EACH_OBSERVER( 2456 RenderViewObserver, observers_, DidChangeScrollOffset(frame)); 2457 } 2458 2459 void RenderViewImpl::SendFindReply(int request_id, 2460 int match_count, 2461 int ordinal, 2462 const WebRect& selection_rect, 2463 bool final_status_update) { 2464 Send(new ViewHostMsg_Find_Reply(routing_id_, 2465 request_id, 2466 match_count, 2467 selection_rect, 2468 ordinal, 2469 final_status_update)); 2470 } 2471 2472 blink::WebString RenderViewImpl::acceptLanguages() { 2473 return WebString::fromUTF8(renderer_preferences_.accept_languages); 2474 } 2475 2476 // blink::WebPageSerializerClient implementation ------------------------------ 2477 2478 void RenderViewImpl::didSerializeDataForFrame( 2479 const WebURL& frame_url, 2480 const WebCString& data, 2481 WebPageSerializerClient::PageSerializationStatus status) { 2482 Send(new ViewHostMsg_SendSerializedHtmlData( 2483 routing_id(), 2484 frame_url, 2485 data.data(), 2486 static_cast<int32>(status))); 2487 } 2488 2489 // RenderView implementation --------------------------------------------------- 2490 2491 bool RenderViewImpl::Send(IPC::Message* message) { 2492 return RenderWidget::Send(message); 2493 } 2494 2495 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() { 2496 return main_render_frame_.get(); 2497 } 2498 2499 int RenderViewImpl::GetRoutingID() const { 2500 return routing_id_; 2501 } 2502 2503 gfx::Size RenderViewImpl::GetSize() const { 2504 return size(); 2505 } 2506 2507 WebPreferences& RenderViewImpl::GetWebkitPreferences() { 2508 return webkit_preferences_; 2509 } 2510 2511 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) { 2512 OnUpdateWebPreferences(preferences); 2513 } 2514 2515 blink::WebView* RenderViewImpl::GetWebView() { 2516 return webview(); 2517 } 2518 2519 blink::WebElement RenderViewImpl::GetFocusedElement() const { 2520 if (!webview()) 2521 return WebElement(); 2522 WebFrame* focused_frame = webview()->focusedFrame(); 2523 if (focused_frame) { 2524 WebDocument doc = focused_frame->document(); 2525 if (!doc.isNull()) 2526 return doc.focusedElement(); 2527 } 2528 2529 return WebElement(); 2530 } 2531 2532 bool RenderViewImpl::IsEditableNode(const WebNode& node) const { 2533 if (node.isNull()) 2534 return false; 2535 2536 if (node.isContentEditable()) 2537 return true; 2538 2539 if (node.isElementNode()) { 2540 const WebElement& element = node.toConst<WebElement>(); 2541 if (element.isTextFormControlElement()) 2542 return true; 2543 2544 // Also return true if it has an ARIA role of 'textbox'. 2545 for (unsigned i = 0; i < element.attributeCount(); ++i) { 2546 if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) { 2547 if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox")) 2548 return true; 2549 break; 2550 } 2551 } 2552 } 2553 2554 return false; 2555 } 2556 2557 bool RenderViewImpl::NodeContainsPoint(const WebNode& node, 2558 const gfx::Point& point) const { 2559 blink::WebHitTestResult hit_test = 2560 webview()->hitTestResultAt(WebPoint(point.x(), point.y())); 2561 return node.containsIncludingShadowDOM(hit_test.node()); 2562 } 2563 2564 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const { 2565 return (!send_preferred_size_changes_ || 2566 (disable_scrollbars_size_limit_.width() <= width || 2567 disable_scrollbars_size_limit_.height() <= height)); 2568 } 2569 2570 int RenderViewImpl::GetEnabledBindings() const { 2571 return enabled_bindings_; 2572 } 2573 2574 bool RenderViewImpl::GetContentStateImmediately() const { 2575 return send_content_state_immediately_; 2576 } 2577 2578 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const { 2579 return visibilityState(); 2580 } 2581 2582 void RenderViewImpl::DidStartLoading() { 2583 main_render_frame_->didStartLoading(true); 2584 } 2585 2586 void RenderViewImpl::DidStopLoading() { 2587 main_render_frame_->didStopLoading(); 2588 } 2589 2590 void RenderViewImpl::SyncNavigationState() { 2591 if (!webview()) 2592 return; 2593 SendUpdateState(history_controller_->GetCurrentEntry()); 2594 } 2595 2596 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() { 2597 if (!webview()) 2598 return NULL; 2599 2600 WebFrame* main_frame = webview()->mainFrame(); 2601 if (main_frame->isWebLocalFrame() && 2602 main_frame->document().isPluginDocument()) 2603 return webview()->mainFrame()->document().to<WebPluginDocument>().plugin(); 2604 2605 #if defined(ENABLE_PLUGINS) 2606 if (plugin_find_handler_) 2607 return plugin_find_handler_->container()->plugin(); 2608 #endif 2609 2610 return NULL; 2611 } 2612 2613 void RenderViewImpl::OnFind(int request_id, 2614 const base::string16& search_text, 2615 const WebFindOptions& options) { 2616 WebFrame* main_frame = webview()->mainFrame(); 2617 blink::WebPlugin* plugin = GetWebPluginForFind(); 2618 // Check if the plugin still exists in the document. 2619 if (plugin) { 2620 if (options.findNext) { 2621 // Just navigate back/forward. 2622 plugin->selectFindResult(options.forward); 2623 } else { 2624 if (!plugin->startFind( 2625 search_text, options.matchCase, request_id)) { 2626 // Send "no results". 2627 SendFindReply(request_id, 0, 0, gfx::Rect(), true); 2628 } 2629 } 2630 return; 2631 } 2632 2633 WebFrame* frame_after_main = main_frame->traverseNext(true); 2634 WebFrame* focused_frame = webview()->focusedFrame(); 2635 WebFrame* search_frame = focused_frame; // start searching focused frame. 2636 2637 bool multi_frame = (frame_after_main != main_frame); 2638 2639 // If we have multiple frames, we don't want to wrap the search within the 2640 // frame, so we check here if we only have main_frame in the chain. 2641 bool wrap_within_frame = !multi_frame; 2642 2643 WebRect selection_rect; 2644 bool result = false; 2645 2646 // If something is selected when we start searching it means we cannot just 2647 // increment the current match ordinal; we need to re-generate it. 2648 WebRange current_selection = focused_frame->selectionRange(); 2649 2650 do { 2651 result = search_frame->find( 2652 request_id, search_text, options, wrap_within_frame, &selection_rect); 2653 2654 if (!result) { 2655 // don't leave text selected as you move to the next frame. 2656 search_frame->executeCommand(WebString::fromUTF8("Unselect"), 2657 GetFocusedElement()); 2658 2659 // Find the next frame, but skip the invisible ones. 2660 do { 2661 // What is the next frame to search? (we might be going backwards). Note 2662 // that we specify wrap=true so that search_frame never becomes NULL. 2663 search_frame = options.forward ? 2664 search_frame->traverseNext(true) : 2665 search_frame->traversePrevious(true); 2666 } while (!search_frame->hasVisibleContent() && 2667 search_frame != focused_frame); 2668 2669 // Make sure selection doesn't affect the search operation in new frame. 2670 search_frame->executeCommand(WebString::fromUTF8("Unselect"), 2671 GetFocusedElement()); 2672 2673 // If we have multiple frames and we have wrapped back around to the 2674 // focused frame, we need to search it once more allowing wrap within 2675 // the frame, otherwise it will report 'no match' if the focused frame has 2676 // reported matches, but no frames after the focused_frame contain a 2677 // match for the search word(s). 2678 if (multi_frame && search_frame == focused_frame) { 2679 result = search_frame->find( 2680 request_id, search_text, options, true, // Force wrapping. 2681 &selection_rect); 2682 } 2683 } 2684 2685 webview()->setFocusedFrame(search_frame); 2686 } while (!result && search_frame != focused_frame); 2687 2688 if (options.findNext && current_selection.isNull()) { 2689 // Force the main_frame to report the actual count. 2690 main_frame->increaseMatchCount(0, request_id); 2691 } else { 2692 // If nothing is found, set result to "0 of 0", otherwise, set it to 2693 // "-1 of 1" to indicate that we found at least one item, but we don't know 2694 // yet what is active. 2695 int ordinal = result ? -1 : 0; // -1 here means, we might know more later. 2696 int match_count = result ? 1 : 0; // 1 here means possibly more coming. 2697 2698 // If we find no matches then this will be our last status update. 2699 // Otherwise the scoping effort will send more results. 2700 bool final_status_update = !result; 2701 2702 SendFindReply(request_id, match_count, ordinal, selection_rect, 2703 final_status_update); 2704 2705 // Scoping effort begins, starting with the mainframe. 2706 search_frame = main_frame; 2707 2708 main_frame->resetMatchCount(); 2709 2710 do { 2711 // Cancel all old scoping requests before starting a new one. 2712 search_frame->cancelPendingScopingEffort(); 2713 2714 // We don't start another scoping effort unless at least one match has 2715 // been found. 2716 if (result) { 2717 // Start new scoping request. If the scoping function determines that it 2718 // needs to scope, it will defer until later. 2719 search_frame->scopeStringMatches(request_id, 2720 search_text, 2721 options, 2722 true); // reset the tickmarks 2723 } 2724 2725 // Iterate to the next frame. The frame will not necessarily scope, for 2726 // example if it is not visible. 2727 search_frame = search_frame->traverseNext(true); 2728 } while (search_frame != main_frame); 2729 } 2730 } 2731 2732 void RenderViewImpl::OnStopFinding(StopFindAction action) { 2733 WebView* view = webview(); 2734 if (!view) 2735 return; 2736 2737 blink::WebPlugin* plugin = GetWebPluginForFind(); 2738 if (plugin) { 2739 plugin->stopFind(); 2740 return; 2741 } 2742 2743 bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION; 2744 if (clear_selection) { 2745 view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"), 2746 GetFocusedElement()); 2747 } 2748 2749 WebFrame* frame = view->mainFrame(); 2750 while (frame) { 2751 frame->stopFinding(clear_selection); 2752 frame = frame->traverseNext(false); 2753 } 2754 2755 if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) { 2756 WebFrame* focused_frame = view->focusedFrame(); 2757 if (focused_frame) { 2758 WebDocument doc = focused_frame->document(); 2759 if (!doc.isNull()) { 2760 WebElement element = doc.focusedElement(); 2761 if (!element.isNull()) 2762 element.simulateClick(); 2763 } 2764 } 2765 } 2766 } 2767 2768 #if defined(OS_ANDROID) 2769 void RenderViewImpl::OnActivateNearestFindResult(int request_id, 2770 float x, float y) { 2771 if (!webview()) 2772 return; 2773 2774 WebFrame* main_frame = webview()->mainFrame(); 2775 WebRect selection_rect; 2776 int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y), 2777 &selection_rect); 2778 if (ordinal == -1) { 2779 // Something went wrong, so send a no-op reply (force the main_frame to 2780 // report the current match count) in case the host is waiting for a 2781 // response due to rate-limiting). 2782 main_frame->increaseMatchCount(0, request_id); 2783 return; 2784 } 2785 2786 SendFindReply(request_id, 2787 -1 /* number_of_matches */, 2788 ordinal, 2789 selection_rect, 2790 true /* final_update */); 2791 } 2792 2793 void RenderViewImpl::OnFindMatchRects(int current_version) { 2794 if (!webview()) 2795 return; 2796 2797 WebFrame* main_frame = webview()->mainFrame(); 2798 std::vector<gfx::RectF> match_rects; 2799 2800 int rects_version = main_frame->findMatchMarkersVersion(); 2801 if (current_version != rects_version) { 2802 WebVector<WebFloatRect> web_match_rects; 2803 main_frame->findMatchRects(web_match_rects); 2804 match_rects.reserve(web_match_rects.size()); 2805 for (size_t i = 0; i < web_match_rects.size(); ++i) 2806 match_rects.push_back(gfx::RectF(web_match_rects[i])); 2807 } 2808 2809 gfx::RectF active_rect = main_frame->activeFindMatchRect(); 2810 Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_, 2811 rects_version, 2812 match_rects, 2813 active_rect)); 2814 } 2815 #endif 2816 2817 void RenderViewImpl::OnZoom(PageZoom zoom) { 2818 if (!webview()) // Not sure if this can happen, but no harm in being safe. 2819 return; 2820 2821 webview()->hidePopups(); 2822 2823 double old_zoom_level = webview()->zoomLevel(); 2824 double zoom_level; 2825 if (zoom == PAGE_ZOOM_RESET) { 2826 zoom_level = 0; 2827 } else if (static_cast<int>(old_zoom_level) == old_zoom_level) { 2828 // Previous zoom level is a whole number, so just increment/decrement. 2829 zoom_level = old_zoom_level + zoom; 2830 } else { 2831 // Either the user hit the zoom factor limit and thus the zoom level is now 2832 // not a whole number, or a plugin changed it to a custom value. We want 2833 // to go to the next whole number so that the user can always get back to 2834 // 100% with the keyboard/menu. 2835 if ((old_zoom_level > 1 && zoom > 0) || 2836 (old_zoom_level < 1 && zoom < 0)) { 2837 zoom_level = static_cast<int>(old_zoom_level + zoom); 2838 } else { 2839 // We're going towards 100%, so first go to the next whole number. 2840 zoom_level = static_cast<int>(old_zoom_level); 2841 } 2842 } 2843 webview()->setZoomLevel(zoom_level); 2844 zoomLevelChanged(); 2845 } 2846 2847 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url, 2848 double zoom_level) { 2849 #if !defined(OS_ANDROID) 2850 // On Android, page zoom isn't used, and in case of WebView, text zoom is used 2851 // for legacy WebView text scaling emulation. Thus, the code that resets 2852 // the zoom level from this map will be effectively resetting text zoom level. 2853 host_zoom_levels_[url] = zoom_level; 2854 #endif 2855 } 2856 2857 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level, 2858 double level) { 2859 uses_temporary_zoom_level_ = uses_temporary_zoom_level; 2860 2861 webview()->hidePopups(); 2862 webview()->setZoomLevel(level); 2863 } 2864 2865 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) { 2866 webview()->setPageEncoding(WebString::fromUTF8(encoding_name)); 2867 } 2868 2869 void RenderViewImpl::OnResetPageEncodingToDefault() { 2870 WebString no_encoding; 2871 webview()->setPageEncoding(no_encoding); 2872 } 2873 2874 void RenderViewImpl::OnPostMessageEvent( 2875 const ViewMsg_PostMessage_Params& params) { 2876 // TODO(nasko): Support sending to subframes. 2877 WebFrame* frame = webview()->mainFrame(); 2878 2879 // Find the source frame if it exists. 2880 WebFrame* source_frame = NULL; 2881 if (params.source_routing_id != MSG_ROUTING_NONE) { 2882 RenderViewImpl* source_view = FromRoutingID(params.source_routing_id); 2883 if (source_view) 2884 source_frame = source_view->webview()->mainFrame(); 2885 } 2886 2887 // If the message contained MessagePorts, create the corresponding endpoints. 2888 DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size()); 2889 blink::WebMessagePortChannelArray channels(params.message_port_ids.size()); 2890 for (size_t i = 0; 2891 i < params.message_port_ids.size() && i < params.new_routing_ids.size(); 2892 ++i) { 2893 channels[i] = 2894 new WebMessagePortChannelImpl(params.new_routing_ids[i], 2895 params.message_port_ids[i], 2896 base::MessageLoopProxy::current().get()); 2897 } 2898 2899 WebSerializedScriptValue serialized_script_value; 2900 if (params.is_data_raw_string) { 2901 v8::HandleScope handle_scope(blink::mainThreadIsolate()); 2902 v8::Local<v8::Context> context = frame->mainWorldScriptContext(); 2903 v8::Context::Scope context_scope(context); 2904 V8ValueConverterImpl converter; 2905 converter.SetDateAllowed(true); 2906 converter.SetRegExpAllowed(true); 2907 scoped_ptr<base::Value> value(new base::StringValue(params.data)); 2908 v8::Handle<v8::Value> result_value = converter.ToV8Value(value.get(), 2909 context); 2910 serialized_script_value = WebSerializedScriptValue::serialize(result_value); 2911 } else { 2912 serialized_script_value = WebSerializedScriptValue::fromString(params.data); 2913 } 2914 2915 // Create an event with the message. The final parameter to initMessageEvent 2916 // is the last event ID, which is not used with postMessage. 2917 WebDOMEvent event = frame->document().createEvent("MessageEvent"); 2918 WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>(); 2919 msg_event.initMessageEvent("message", 2920 // |canBubble| and |cancellable| are always false 2921 false, false, 2922 serialized_script_value, 2923 params.source_origin, source_frame, "", channels); 2924 2925 // We must pass in the target_origin to do the security check on this side, 2926 // since it may have changed since the original postMessage call was made. 2927 WebSecurityOrigin target_origin; 2928 if (!params.target_origin.empty()) { 2929 target_origin = 2930 WebSecurityOrigin::createFromString(WebString(params.target_origin)); 2931 } 2932 frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event); 2933 } 2934 2935 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) { 2936 if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) && 2937 !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) { 2938 // WebUIExtensionData deletes itself when we're destroyed. 2939 new WebUIExtensionData(this); 2940 // WebUIMojo deletes itself when we're destroyed. 2941 new WebUIMojo(this); 2942 } 2943 2944 enabled_bindings_ |= enabled_bindings_flags; 2945 2946 // Keep track of the total bindings accumulated in this process. 2947 RenderProcess::current()->AddBindings(enabled_bindings_flags); 2948 } 2949 2950 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data, 2951 const gfx::Point& client_point, 2952 const gfx::Point& screen_point, 2953 WebDragOperationsMask ops, 2954 int key_modifiers) { 2955 WebDragOperation operation = webview()->dragTargetDragEnter( 2956 DropDataToWebDragData(drop_data), 2957 client_point, 2958 screen_point, 2959 ops, 2960 key_modifiers); 2961 2962 Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation)); 2963 } 2964 2965 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point, 2966 const gfx::Point& screen_point, 2967 WebDragOperationsMask ops, 2968 int key_modifiers) { 2969 WebDragOperation operation = webview()->dragTargetDragOver( 2970 client_point, 2971 screen_point, 2972 ops, 2973 key_modifiers); 2974 2975 Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation)); 2976 } 2977 2978 void RenderViewImpl::OnDragTargetDragLeave() { 2979 webview()->dragTargetDragLeave(); 2980 } 2981 2982 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point, 2983 const gfx::Point& screen_point, 2984 int key_modifiers) { 2985 webview()->dragTargetDrop(client_point, screen_point, key_modifiers); 2986 2987 Send(new DragHostMsg_TargetDrop_ACK(routing_id_)); 2988 } 2989 2990 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point, 2991 const gfx::Point& screen_point, 2992 WebDragOperation op) { 2993 webview()->dragSourceEndedAt(client_point, screen_point, op); 2994 } 2995 2996 void RenderViewImpl::OnDragSourceSystemDragEnded() { 2997 webview()->dragSourceSystemDragEnded(); 2998 } 2999 3000 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) { 3001 webkit_preferences_ = prefs; 3002 ApplyWebPreferences(webkit_preferences_, webview()); 3003 } 3004 3005 void RenderViewImpl::OnEnumerateDirectoryResponse( 3006 int id, 3007 const std::vector<base::FilePath>& paths) { 3008 if (!enumeration_completions_[id]) 3009 return; 3010 3011 WebVector<WebString> ws_file_names(paths.size()); 3012 for (size_t i = 0; i < paths.size(); ++i) 3013 ws_file_names[i] = paths[i].AsUTF16Unsafe(); 3014 3015 enumeration_completions_[id]->didChooseFile(ws_file_names); 3016 enumeration_completions_.erase(id); 3017 } 3018 3019 void RenderViewImpl::OnFileChooserResponse( 3020 const std::vector<ui::SelectedFileInfo>& files) { 3021 // This could happen if we navigated to a different page before the user 3022 // closed the chooser. 3023 if (file_chooser_completions_.empty()) 3024 return; 3025 3026 // Convert Chrome's SelectedFileInfo list to WebKit's. 3027 WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files( 3028 files.size()); 3029 for (size_t i = 0; i < files.size(); ++i) { 3030 WebFileChooserCompletion::SelectedFileInfo selected_file; 3031 selected_file.path = files[i].local_path.AsUTF16Unsafe(); 3032 selected_file.displayName = 3033 base::FilePath(files[i].display_name).AsUTF16Unsafe(); 3034 selected_files[i] = selected_file; 3035 } 3036 3037 if (file_chooser_completions_.front()->completion) 3038 file_chooser_completions_.front()->completion->didChooseFile( 3039 selected_files); 3040 file_chooser_completions_.pop_front(); 3041 3042 // If there are more pending file chooser requests, schedule one now. 3043 if (!file_chooser_completions_.empty()) { 3044 Send(new ViewHostMsg_RunFileChooser(routing_id_, 3045 file_chooser_completions_.front()->params)); 3046 } 3047 } 3048 3049 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size, 3050 const gfx::Size& max_size) { 3051 DCHECK(disable_scrollbars_size_limit_.IsEmpty()); 3052 if (!webview()) 3053 return; 3054 auto_resize_mode_ = true; 3055 webview()->enableAutoResizeMode(min_size, max_size); 3056 } 3057 3058 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) { 3059 DCHECK(disable_scrollbars_size_limit_.IsEmpty()); 3060 if (!webview()) 3061 return; 3062 auto_resize_mode_ = false; 3063 webview()->disableAutoResizeMode(); 3064 3065 if (!new_size.IsEmpty()) { 3066 Resize(new_size, 3067 physical_backing_size_, 3068 top_controls_layout_height_, 3069 visible_viewport_size_, 3070 resizer_rect_, 3071 is_fullscreen_, 3072 NO_RESIZE_ACK); 3073 } 3074 } 3075 3076 void RenderViewImpl::OnEnablePreferredSizeChangedMode() { 3077 if (send_preferred_size_changes_) 3078 return; 3079 send_preferred_size_changes_ = true; 3080 3081 // Start off with an initial preferred size notification (in case 3082 // |didUpdateLayout| was already called). 3083 didUpdateLayout(); 3084 } 3085 3086 void RenderViewImpl::OnDisableScrollbarsForSmallWindows( 3087 const gfx::Size& disable_scrollbar_size_limit) { 3088 disable_scrollbars_size_limit_ = disable_scrollbar_size_limit; 3089 } 3090 3091 void RenderViewImpl::OnSetRendererPrefs( 3092 const RendererPreferences& renderer_prefs) { 3093 double old_zoom_level = renderer_preferences_.default_zoom_level; 3094 std::string old_accept_languages = renderer_preferences_.accept_languages; 3095 3096 renderer_preferences_ = renderer_prefs; 3097 UpdateFontRenderingFromRendererPrefs(); 3098 3099 #if defined(USE_DEFAULT_RENDER_THEME) 3100 if (renderer_prefs.use_custom_colors) { 3101 WebColorName name = blink::WebColorWebkitFocusRingColor; 3102 blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1); 3103 blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval); 3104 3105 if (webview()) { 3106 webview()->setSelectionColors( 3107 renderer_prefs.active_selection_bg_color, 3108 renderer_prefs.active_selection_fg_color, 3109 renderer_prefs.inactive_selection_bg_color, 3110 renderer_prefs.inactive_selection_fg_color); 3111 webview()->themeChanged(); 3112 } 3113 } 3114 #endif // defined(USE_DEFAULT_RENDER_THEME) 3115 3116 // If the zoom level for this page matches the old zoom default, and this 3117 // is not a plugin, update the zoom level to match the new default. 3118 if (webview() && webview()->mainFrame()->isWebLocalFrame() && 3119 !webview()->mainFrame()->document().isPluginDocument() && 3120 !ZoomValuesEqual(old_zoom_level, 3121 renderer_preferences_.default_zoom_level) && 3122 ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) { 3123 webview()->setZoomLevel(renderer_preferences_.default_zoom_level); 3124 zoomLevelChanged(); 3125 } 3126 3127 if (webview() && 3128 old_accept_languages != renderer_preferences_.accept_languages) { 3129 webview()->acceptLanguagesChanged(); 3130 } 3131 } 3132 3133 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location, 3134 const WebMediaPlayerAction& action) { 3135 if (webview()) 3136 webview()->performMediaPlayerAction(action, location); 3137 } 3138 3139 void RenderViewImpl::OnOrientationChange() { 3140 // TODO(mlamouri): consumers of that event should be using DisplayObserver. 3141 FOR_EACH_OBSERVER(RenderViewObserver, 3142 observers_, 3143 OrientationChangeEvent()); 3144 3145 webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent(); 3146 } 3147 3148 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location, 3149 const WebPluginAction& action) { 3150 if (webview()) 3151 webview()->performPluginAction(action, location); 3152 } 3153 3154 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage( 3155 const GURL& page_url) { 3156 // Prepare list to storage all savable resource links. 3157 std::vector<GURL> resources_list; 3158 std::vector<GURL> referrer_urls_list; 3159 std::vector<blink::WebReferrerPolicy> referrer_policies_list; 3160 std::vector<GURL> frames_list; 3161 SavableResourcesResult result(&resources_list, 3162 &referrer_urls_list, 3163 &referrer_policies_list, 3164 &frames_list); 3165 3166 // webkit/ doesn't know about Referrer. 3167 if (!GetAllSavableResourceLinksForCurrentPage( 3168 webview(), 3169 page_url, 3170 &result, 3171 const_cast<const char**>(GetSavableSchemes()))) { 3172 // If something is wrong when collecting all savable resource links, 3173 // send empty list to embedder(browser) to tell it failed. 3174 referrer_urls_list.clear(); 3175 referrer_policies_list.clear(); 3176 resources_list.clear(); 3177 frames_list.clear(); 3178 } 3179 3180 std::vector<Referrer> referrers_list; 3181 CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size()); 3182 for (unsigned i = 0; i < referrer_urls_list.size(); ++i) { 3183 referrers_list.push_back( 3184 Referrer(referrer_urls_list[i], referrer_policies_list[i])); 3185 } 3186 3187 // Send result of all savable resource links to embedder. 3188 Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(), 3189 resources_list, 3190 referrers_list, 3191 frames_list)); 3192 } 3193 3194 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks( 3195 const std::vector<GURL>& links, 3196 const std::vector<base::FilePath>& local_paths, 3197 const base::FilePath& local_directory_name) { 3198 3199 // Convert std::vector of GURLs to WebVector<WebURL> 3200 WebVector<WebURL> weburl_links(links); 3201 3202 // Convert std::vector of base::FilePath to WebVector<WebString> 3203 WebVector<WebString> webstring_paths(local_paths.size()); 3204 for (size_t i = 0; i < local_paths.size(); i++) 3205 webstring_paths[i] = local_paths[i].AsUTF16Unsafe(); 3206 3207 WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(), 3208 true, 3209 this, 3210 weburl_links, 3211 webstring_paths, 3212 local_directory_name.AsUTF16Unsafe()); 3213 } 3214 3215 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() { 3216 // Don't show any more dialogs until we finish OnSwapOut. 3217 suppress_dialogs_until_swap_out_ = true; 3218 } 3219 3220 void RenderViewImpl::NavigateToSwappedOutURL(blink::WebFrame* frame) { 3221 // We use loadRequest instead of loadHTMLString because the former commits 3222 // synchronously. Otherwise a new navigation can interrupt the navigation 3223 // to kSwappedOutURL. If that happens to be to the page we had been 3224 // showing, then WebKit will never send a commit and we'll be left spinning. 3225 // TODO(creis): Until we move this to RenderFrame, we may call this from a 3226 // swapped out RenderFrame while our own is_swapped_out_ is false. 3227 RenderFrameImpl* rf = RenderFrameImpl::FromWebFrame(frame); 3228 CHECK(is_swapped_out_ || rf->is_swapped_out()); 3229 GURL swappedOutURL(kSwappedOutURL); 3230 WebURLRequest request(swappedOutURL); 3231 if (frame->isWebLocalFrame()) 3232 frame->loadRequest(request); 3233 } 3234 3235 void RenderViewImpl::OnClosePage() { 3236 FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage()); 3237 // TODO(creis): We'd rather use webview()->Close() here, but that currently 3238 // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs 3239 // in the onunload handler from appearing. For now, we're bypassing that and 3240 // calling the FrameLoader's CloseURL method directly. This should be 3241 // revisited to avoid having two ways to close a page. Having a single way 3242 // to close that can run onunload is also useful for fixing 3243 // http://b/issue?id=753080. 3244 webview()->mainFrame()->dispatchUnloadEvent(); 3245 3246 Send(new ViewHostMsg_ClosePage_ACK(routing_id_)); 3247 } 3248 3249 void RenderViewImpl::OnThemeChanged() { 3250 #if defined(USE_AURA) 3251 // Aura doesn't care if we switch themes. 3252 #elif defined(OS_WIN) 3253 ui::NativeThemeWin::instance()->CloseHandles(); 3254 if (webview()) 3255 webview()->themeChanged(); 3256 #else // defined(OS_WIN) 3257 // TODO(port): we don't support theming on non-Windows platforms yet 3258 NOTIMPLEMENTED(); 3259 #endif 3260 } 3261 3262 void RenderViewImpl::OnMoveOrResizeStarted() { 3263 if (webview()) 3264 webview()->hidePopups(); 3265 } 3266 3267 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) { 3268 TRACE_EVENT0("renderer", "RenderViewImpl::OnResize"); 3269 if (webview()) { 3270 webview()->hidePopups(); 3271 if (send_preferred_size_changes_) { 3272 webview()->mainFrame()->setCanHaveScrollbars( 3273 ShouldDisplayScrollbars(params.new_size.width(), 3274 params.new_size.height())); 3275 } 3276 } 3277 3278 gfx::Size old_visible_viewport_size = visible_viewport_size_; 3279 3280 RenderWidget::OnResize(params); 3281 3282 if (old_visible_viewport_size != visible_viewport_size_) 3283 has_scrolled_focused_editable_node_into_rect_ = false; 3284 3285 FOR_EACH_OBSERVER(RenderViewObserver, 3286 observers_, 3287 Resized()); 3288 } 3289 3290 void RenderViewImpl::DidInitiatePaint() { 3291 #if defined(ENABLE_PLUGINS) 3292 // Notify all instances that we painted. The same caveats apply as for 3293 // ViewFlushedPaint regarding instances closing themselves, so we take 3294 // similar precautions. 3295 PepperPluginSet plugins = active_pepper_instances_; 3296 for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) { 3297 if (active_pepper_instances_.find(*i) != active_pepper_instances_.end()) 3298 (*i)->ViewInitiatedPaint(); 3299 } 3300 #endif 3301 } 3302 3303 void RenderViewImpl::DidFlushPaint() { 3304 #if defined(ENABLE_PLUGINS) 3305 // Notify all instances that we flushed. This will call into the plugin, and 3306 // we it may ask to close itself as a result. This will, in turn, modify our 3307 // set, possibly invalidating the iterator. So we iterate on a copy that 3308 // won't change out from under us. 3309 PepperPluginSet plugins = active_pepper_instances_; 3310 for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) { 3311 // The copy above makes sure our iterator is never invalid if some plugins 3312 // are destroyed. But some plugin may decide to close all of its views in 3313 // response to a paint in one of them, so we need to make sure each one is 3314 // still "current" before using it. 3315 // 3316 // It's possible that a plugin was destroyed, but another one was created 3317 // with the same address. In this case, we'll call ViewFlushedPaint on that 3318 // new plugin. But that's OK for this particular case since we're just 3319 // notifying all of our instances that the view flushed, and the new one is 3320 // one of our instances. 3321 // 3322 // What about the case where a new one is created in a callback at a new 3323 // address and we don't issue the callback? We're still OK since this 3324 // callback is used for flush callbacks and we could not have possibly 3325 // started a new paint for the new plugin while processing a previous paint 3326 // for an existing one. 3327 if (active_pepper_instances_.find(*i) != active_pepper_instances_.end()) 3328 (*i)->ViewFlushedPaint(); 3329 } 3330 #endif 3331 3332 // If the RenderWidget is closing down then early-exit, otherwise we'll crash. 3333 // See crbug.com/112921. 3334 if (!webview()) 3335 return; 3336 3337 WebFrame* main_frame = webview()->mainFrame(); 3338 for (WebFrame* frame = main_frame; frame; 3339 frame = frame->traverseNext(false)) { 3340 if (frame->isWebLocalFrame()) 3341 main_frame = frame; 3342 } 3343 3344 // If we have a provisional frame we are between the start and commit stages 3345 // of loading and we don't want to save stats. 3346 if (!main_frame->provisionalDataSource()) { 3347 WebDataSource* ds = main_frame->dataSource(); 3348 DocumentState* document_state = DocumentState::FromDataSource(ds); 3349 3350 // TODO(jar): The following code should all be inside a method, probably in 3351 // NavigatorState. 3352 Time now = Time::Now(); 3353 if (document_state->first_paint_time().is_null()) { 3354 document_state->set_first_paint_time(now); 3355 } 3356 if (document_state->first_paint_after_load_time().is_null() && 3357 !document_state->finish_load_time().is_null()) { 3358 document_state->set_first_paint_after_load_time(now); 3359 } 3360 } 3361 } 3362 3363 gfx::Vector2d RenderViewImpl::GetScrollOffset() { 3364 WebFrame* main_frame = webview()->mainFrame(); 3365 for (WebFrame* frame = main_frame; frame; 3366 frame = frame->traverseNext(false)) { 3367 // TODO(nasko): This is a hack for the case in which the top-level 3368 // frame is being rendered in another process. It will not 3369 // behave correctly for out of process iframes. 3370 if (frame->isWebLocalFrame()) { 3371 main_frame = frame; 3372 break; 3373 } 3374 } 3375 3376 WebSize scroll_offset = main_frame->scrollOffset(); 3377 return gfx::Vector2d(scroll_offset.width, scroll_offset.height); 3378 } 3379 3380 void RenderViewImpl::OnClearFocusedElement() { 3381 if (webview()) 3382 webview()->clearFocusedElement(); 3383 } 3384 3385 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) { 3386 if (webview()) 3387 webview()->setIsTransparent(!opaque); 3388 if (compositor_) 3389 compositor_->setHasTransparentBackground(!opaque); 3390 } 3391 3392 void RenderViewImpl::OnSetActive(bool active) { 3393 if (webview()) 3394 webview()->setIsActive(active); 3395 3396 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX) 3397 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3398 for (plugin_it = plugin_delegates_.begin(); 3399 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3400 (*plugin_it)->SetWindowFocus(active); 3401 } 3402 #endif 3403 } 3404 3405 #if defined(OS_MACOSX) 3406 void RenderViewImpl::OnSetWindowVisibility(bool visible) { 3407 #if defined(ENABLE_PLUGINS) 3408 // Inform plugins that their container has changed visibility. 3409 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3410 for (plugin_it = plugin_delegates_.begin(); 3411 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3412 (*plugin_it)->SetContainerVisibility(visible); 3413 } 3414 #endif 3415 } 3416 3417 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame, 3418 const gfx::Rect& view_frame) { 3419 #if defined(ENABLE_PLUGINS) 3420 // Inform plugins that their window's frame has changed. 3421 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3422 for (plugin_it = plugin_delegates_.begin(); 3423 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3424 (*plugin_it)->WindowFrameChanged(window_frame, view_frame); 3425 } 3426 #endif 3427 } 3428 3429 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text, 3430 int plugin_id) { 3431 // WebPluginDelegateProxy is responsible for figuring out if this event 3432 // applies to it or not, so inform all the delegates. 3433 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3434 for (plugin_it = plugin_delegates_.begin(); 3435 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3436 (*plugin_it)->ImeCompositionCompleted(text, plugin_id); 3437 } 3438 } 3439 #endif // OS_MACOSX 3440 3441 void RenderViewImpl::OnClose() { 3442 if (closing_) 3443 RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_)); 3444 RenderWidget::OnClose(); 3445 } 3446 3447 void RenderViewImpl::Close() { 3448 // We need to grab a pointer to the doomed WebView before we destroy it. 3449 WebView* doomed = webview(); 3450 RenderWidget::Close(); 3451 g_view_map.Get().erase(doomed); 3452 g_routing_id_view_map.Get().erase(routing_id_); 3453 RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_)); 3454 } 3455 3456 void RenderViewImpl::DidHandleKeyEvent() { 3457 ClearEditCommands(); 3458 } 3459 3460 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) { 3461 possible_drag_event_info_.event_source = 3462 ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE; 3463 possible_drag_event_info_.event_location = 3464 gfx::Point(event.globalX, event.globalY); 3465 3466 #if defined(ENABLE_PLUGINS) 3467 // This method is called for every mouse event that the render view receives. 3468 // And then the mouse event is forwarded to WebKit, which dispatches it to the 3469 // event target. Potentially a Pepper plugin will receive the event. 3470 // In order to tell whether a plugin gets the last mouse event and which it 3471 // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets 3472 // the event, it will notify us via DidReceiveMouseEvent() and set itself as 3473 // |pepper_last_mouse_event_target_|. 3474 pepper_last_mouse_event_target_ = NULL; 3475 #endif 3476 3477 // If the mouse is locked, only the current owner of the mouse lock can 3478 // process mouse events. 3479 return mouse_lock_dispatcher_->WillHandleMouseEvent(event); 3480 } 3481 3482 bool RenderViewImpl::WillHandleGestureEvent( 3483 const blink::WebGestureEvent& event) { 3484 possible_drag_event_info_.event_source = 3485 ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH; 3486 possible_drag_event_info_.event_location = 3487 gfx::Point(event.globalX, event.globalY); 3488 return false; 3489 } 3490 3491 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) { 3492 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event)); 3493 } 3494 3495 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) { 3496 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event)); 3497 } 3498 3499 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const { 3500 if (!webview()) 3501 return false; 3502 return webview()->hasTouchEventHandlersAt(point); 3503 } 3504 3505 void RenderViewImpl::OnWasHidden() { 3506 RenderWidget::OnWasHidden(); 3507 3508 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC) 3509 RenderThreadImpl::current()->video_capture_impl_manager()-> 3510 SuspendDevices(true); 3511 if (speech_recognition_dispatcher_) 3512 speech_recognition_dispatcher_->AbortAllRecognitions(); 3513 #endif 3514 3515 if (webview()) 3516 webview()->setVisibilityState(visibilityState(), false); 3517 3518 #if defined(ENABLE_PLUGINS) 3519 for (PepperPluginSet::iterator i = active_pepper_instances_.begin(); 3520 i != active_pepper_instances_.end(); ++i) 3521 (*i)->PageVisibilityChanged(false); 3522 3523 #if defined(OS_MACOSX) 3524 // Inform NPAPI plugins that their container is no longer visible. 3525 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3526 for (plugin_it = plugin_delegates_.begin(); 3527 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3528 (*plugin_it)->SetContainerVisibility(false); 3529 } 3530 #endif // OS_MACOSX 3531 #endif // ENABLE_PLUGINS 3532 } 3533 3534 void RenderViewImpl::OnWasShown(bool needs_repainting, 3535 const ui::LatencyInfo& latency_info) { 3536 RenderWidget::OnWasShown(needs_repainting, latency_info); 3537 3538 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC) 3539 RenderThreadImpl::current()->video_capture_impl_manager()-> 3540 SuspendDevices(false); 3541 #endif 3542 3543 if (webview()) 3544 webview()->setVisibilityState(visibilityState(), false); 3545 3546 #if defined(ENABLE_PLUGINS) 3547 for (PepperPluginSet::iterator i = active_pepper_instances_.begin(); 3548 i != active_pepper_instances_.end(); ++i) 3549 (*i)->PageVisibilityChanged(true); 3550 3551 #if defined(OS_MACOSX) 3552 // Inform NPAPI plugins that their container is now visible. 3553 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3554 for (plugin_it = plugin_delegates_.begin(); 3555 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3556 (*plugin_it)->SetContainerVisibility(true); 3557 } 3558 #endif // OS_MACOSX 3559 #endif // ENABLE_PLUGINS 3560 } 3561 3562 GURL RenderViewImpl::GetURLForGraphicsContext3D() { 3563 DCHECK(webview()); 3564 if (webview()->mainFrame()->isWebLocalFrame()) 3565 return GURL(webview()->mainFrame()->document().url()); 3566 else 3567 return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D"); 3568 } 3569 3570 void RenderViewImpl::OnSetFocus(bool enable) { 3571 RenderWidget::OnSetFocus(enable); 3572 3573 #if defined(ENABLE_PLUGINS) 3574 if (webview() && webview()->isActive()) { 3575 // Notify all NPAPI plugins. 3576 std::set<WebPluginDelegateProxy*>::iterator plugin_it; 3577 for (plugin_it = plugin_delegates_.begin(); 3578 plugin_it != plugin_delegates_.end(); ++plugin_it) { 3579 #if defined(OS_MACOSX) 3580 // RenderWidget's call to setFocus can cause the underlying webview's 3581 // activation state to change just like a call to setIsActive. 3582 if (enable) 3583 (*plugin_it)->SetWindowFocus(true); 3584 #endif 3585 (*plugin_it)->SetContentAreaFocus(enable); 3586 } 3587 } 3588 // Notify all Pepper plugins. 3589 for (PepperPluginSet::iterator i = active_pepper_instances_.begin(); 3590 i != active_pepper_instances_.end(); ++i) 3591 (*i)->SetContentAreaFocus(enable); 3592 #endif 3593 // Notify all BrowserPlugins of the RenderView's focus state. 3594 if (browser_plugin_manager_.get()) 3595 browser_plugin_manager_->UpdateFocusState(); 3596 } 3597 3598 void RenderViewImpl::OnImeSetComposition( 3599 const base::string16& text, 3600 const std::vector<blink::WebCompositionUnderline>& underlines, 3601 int selection_start, 3602 int selection_end) { 3603 #if defined(ENABLE_PLUGINS) 3604 if (focused_pepper_plugin_) { 3605 focused_pepper_plugin_->render_frame()->OnImeSetComposition( 3606 text, underlines, selection_start, selection_end); 3607 return; 3608 } 3609 3610 #if defined(OS_WIN) 3611 // When a plug-in has focus, we create platform-specific IME data used by 3612 // our IME emulator and send it directly to the focused plug-in, i.e. we 3613 // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its 3614 // instance ID is the same one as the specified ID.) 3615 if (focused_plugin_id_ >= 0) { 3616 std::vector<int> clauses; 3617 std::vector<int> target; 3618 for (size_t i = 0; i < underlines.size(); ++i) { 3619 clauses.push_back(underlines[i].startOffset); 3620 clauses.push_back(underlines[i].endOffset); 3621 if (underlines[i].thick) { 3622 target.clear(); 3623 target.push_back(underlines[i].startOffset); 3624 target.push_back(underlines[i].endOffset); 3625 } 3626 } 3627 std::set<WebPluginDelegateProxy*>::iterator it; 3628 for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) { 3629 (*it)->ImeCompositionUpdated(text, clauses, target, selection_end, 3630 focused_plugin_id_); 3631 } 3632 return; 3633 } 3634 #endif // OS_WIN 3635 #endif // ENABLE_PLUGINS 3636 RenderWidget::OnImeSetComposition(text, 3637 underlines, 3638 selection_start, 3639 selection_end); 3640 } 3641 3642 void RenderViewImpl::OnImeConfirmComposition( 3643 const base::string16& text, 3644 const gfx::Range& replacement_range, 3645 bool keep_selection) { 3646 #if defined(ENABLE_PLUGINS) 3647 if (focused_pepper_plugin_) { 3648 focused_pepper_plugin_->render_frame()->OnImeConfirmComposition( 3649 text, replacement_range, keep_selection); 3650 return; 3651 } 3652 #if defined(OS_WIN) 3653 // Same as OnImeSetComposition(), we send the text from IMEs directly to 3654 // plug-ins. When we send IME text directly to plug-ins, we should not send 3655 // it to WebKit to prevent WebKit from controlling IMEs. 3656 // TODO(thakis): Honor |replacement_range| for plugins? 3657 if (focused_plugin_id_ >= 0) { 3658 std::set<WebPluginDelegateProxy*>::iterator it; 3659 for (it = plugin_delegates_.begin(); 3660 it != plugin_delegates_.end(); ++it) { 3661 (*it)->ImeCompositionCompleted(text, focused_plugin_id_); 3662 } 3663 return; 3664 } 3665 #endif // OS_WIN 3666 #endif // ENABLE_PLUGINS 3667 if (replacement_range.IsValid() && webview()) { 3668 // Select the text in |replacement_range|, it will then be replaced by 3669 // text added by the call to RenderWidget::OnImeConfirmComposition(). 3670 if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) { 3671 WebRange webrange = WebRange::fromDocumentRange( 3672 frame, replacement_range.start(), replacement_range.length()); 3673 if (!webrange.isNull()) 3674 frame->selectRange(webrange); 3675 } 3676 } 3677 RenderWidget::OnImeConfirmComposition(text, 3678 replacement_range, 3679 keep_selection); 3680 } 3681 3682 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) { 3683 RenderWidget::SetDeviceScaleFactor(device_scale_factor); 3684 if (webview()) { 3685 webview()->setDeviceScaleFactor(device_scale_factor); 3686 webview()->settings()->setPreferCompositingToLCDTextEnabled( 3687 PreferCompositingToLCDText(device_scale_factor_)); 3688 webview()->settings()->setAcceleratedCompositingForTransitionEnabled( 3689 ShouldUseTransitionCompositing(device_scale_factor_)); 3690 } 3691 if (auto_resize_mode_) 3692 AutoResizeCompositor(); 3693 3694 if (browser_plugin_manager_.get()) 3695 browser_plugin_manager_->UpdateDeviceScaleFactor(); 3696 } 3697 3698 bool RenderViewImpl::SetDeviceColorProfile( 3699 const std::vector<char>& profile) { 3700 bool changed = RenderWidget::SetDeviceColorProfile(profile); 3701 if (changed && webview()) { 3702 WebVector<char> colorProfile = profile; 3703 webview()->setDeviceColorProfile(colorProfile); 3704 } 3705 return changed; 3706 } 3707 3708 void RenderViewImpl::ResetDeviceColorProfileForTesting() { 3709 RenderWidget::ResetDeviceColorProfileForTesting(); 3710 if (webview()) 3711 webview()->resetDeviceColorProfile(); 3712 } 3713 3714 ui::TextInputType RenderViewImpl::GetTextInputType() { 3715 #if defined(ENABLE_PLUGINS) 3716 if (focused_pepper_plugin_) 3717 return focused_pepper_plugin_->text_input_type(); 3718 #endif 3719 return RenderWidget::GetTextInputType(); 3720 } 3721 3722 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) { 3723 #if defined(ENABLE_PLUGINS) 3724 if (focused_pepper_plugin_) { 3725 // TODO(kinaba) http://crbug.com/101101 3726 // Current Pepper IME API does not handle selection bounds. So we simply 3727 // use the caret position as an empty range for now. It will be updated 3728 // after Pepper API equips features related to surrounding text retrieval. 3729 gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds(); 3730 *start = caret; 3731 *end = caret; 3732 return; 3733 } 3734 #endif 3735 RenderWidget::GetSelectionBounds(start, end); 3736 } 3737 3738 #if defined(OS_MACOSX) || defined(USE_AURA) 3739 void RenderViewImpl::GetCompositionCharacterBounds( 3740 std::vector<gfx::Rect>* bounds) { 3741 DCHECK(bounds); 3742 bounds->clear(); 3743 3744 #if defined(ENABLE_PLUGINS) 3745 if (focused_pepper_plugin_) { 3746 return; 3747 } 3748 #endif 3749 3750 if (!webview()) 3751 return; 3752 size_t start_offset = 0; 3753 size_t character_count = 0; 3754 if (!webview()->compositionRange(&start_offset, &character_count)) 3755 return; 3756 if (character_count == 0) 3757 return; 3758 3759 blink::WebFrame* frame = webview()->focusedFrame(); 3760 if (!frame) 3761 return; 3762 3763 bounds->reserve(character_count); 3764 blink::WebRect webrect; 3765 for (size_t i = 0; i < character_count; ++i) { 3766 if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) { 3767 DLOG(ERROR) << "Could not retrieve character rectangle at " << i; 3768 bounds->clear(); 3769 return; 3770 } 3771 bounds->push_back(webrect); 3772 } 3773 } 3774 3775 void RenderViewImpl::GetCompositionRange(gfx::Range* range) { 3776 #if defined(ENABLE_PLUGINS) 3777 if (focused_pepper_plugin_) { 3778 return; 3779 } 3780 #endif 3781 RenderWidget::GetCompositionRange(range); 3782 } 3783 #endif 3784 3785 bool RenderViewImpl::CanComposeInline() { 3786 #if defined(ENABLE_PLUGINS) 3787 if (focused_pepper_plugin_) 3788 return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents(); 3789 #endif 3790 return true; 3791 } 3792 3793 void RenderViewImpl::InstrumentWillBeginFrame(int frame_id) { 3794 if (!webview()) 3795 return; 3796 if (!webview()->devToolsAgent()) 3797 return; 3798 webview()->devToolsAgent()->didBeginFrame(frame_id); 3799 } 3800 3801 void RenderViewImpl::InstrumentDidBeginFrame() { 3802 if (!webview()) 3803 return; 3804 if (!webview()->devToolsAgent()) 3805 return; 3806 // TODO(jamesr/caseq): Decide if this needs to be renamed. 3807 webview()->devToolsAgent()->didComposite(); 3808 } 3809 3810 void RenderViewImpl::InstrumentDidCancelFrame() { 3811 if (!webview()) 3812 return; 3813 if (!webview()->devToolsAgent()) 3814 return; 3815 webview()->devToolsAgent()->didCancelFrame(); 3816 } 3817 3818 void RenderViewImpl::InstrumentWillComposite() { 3819 if (!webview()) 3820 return; 3821 if (!webview()->devToolsAgent()) 3822 return; 3823 webview()->devToolsAgent()->willComposite(); 3824 } 3825 3826 void RenderViewImpl::SetScreenMetricsEmulationParameters( 3827 float device_scale_factor, 3828 const gfx::Point& root_layer_offset, 3829 float root_layer_scale) { 3830 if (webview() && compositor()) { 3831 webview()->setCompositorDeviceScaleFactorOverride(device_scale_factor); 3832 webview()->setRootLayerTransform( 3833 blink::WebSize(root_layer_offset.x(), root_layer_offset.y()), 3834 root_layer_scale); 3835 } 3836 } 3837 3838 bool RenderViewImpl::ScheduleFileChooser( 3839 const FileChooserParams& params, 3840 WebFileChooserCompletion* completion) { 3841 static const size_t kMaximumPendingFileChooseRequests = 4; 3842 if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) { 3843 // This sanity check prevents too many file choose requests from getting 3844 // queued which could DoS the user. Getting these is most likely a 3845 // programming error (there are many ways to DoS the user so it's not 3846 // considered a "real" security check), either in JS requesting many file 3847 // choosers to pop up, or in a plugin. 3848 // 3849 // TODO(brettw) we might possibly want to require a user gesture to open 3850 // a file picker, which will address this issue in a better way. 3851 return false; 3852 } 3853 3854 file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>( 3855 new PendingFileChooser(params, completion))); 3856 if (file_chooser_completions_.size() == 1) { 3857 // Actually show the browse dialog when this is the first request. 3858 Send(new ViewHostMsg_RunFileChooser(routing_id_, params)); 3859 } 3860 return true; 3861 } 3862 3863 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() { 3864 if (!speech_recognition_dispatcher_) 3865 speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this); 3866 return speech_recognition_dispatcher_; 3867 } 3868 3869 void RenderViewImpl::zoomLimitsChanged(double minimum_level, 3870 double maximum_level) { 3871 int minimum_percent = static_cast<int>( 3872 ZoomLevelToZoomFactor(minimum_level) * 100); 3873 int maximum_percent = static_cast<int>( 3874 ZoomLevelToZoomFactor(maximum_level) * 100); 3875 3876 Send(new ViewHostMsg_UpdateZoomLimits( 3877 routing_id_, minimum_percent, maximum_percent)); 3878 } 3879 3880 void RenderViewImpl::zoomLevelChanged() { 3881 double zoom_level = webview()->zoomLevel(); 3882 3883 // Do not send empty URLs to the browser when we are just setting the default 3884 // zoom level (from RendererPreferences) before the first navigation. 3885 if (!webview()->mainFrame()->document().url().isEmpty()) { 3886 // Tell the browser which url got zoomed so it can update the menu and the 3887 // saved values if necessary 3888 Send(new ViewHostMsg_DidZoomURL( 3889 routing_id_, zoom_level, 3890 GURL(webview()->mainFrame()->document().url()))); 3891 } 3892 } 3893 3894 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const { 3895 return ZoomLevelToZoomFactor(zoom_level); 3896 } 3897 3898 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const { 3899 return ZoomFactorToZoomLevel(factor); 3900 } 3901 3902 void RenderViewImpl::registerProtocolHandler(const WebString& scheme, 3903 const WebURL& url, 3904 const WebString& title) { 3905 bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); 3906 Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_, 3907 base::UTF16ToUTF8(scheme), 3908 url, 3909 title, 3910 user_gesture)); 3911 } 3912 3913 void RenderViewImpl::unregisterProtocolHandler(const WebString& scheme, 3914 const WebURL& url) { 3915 bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); 3916 Send(new ViewHostMsg_UnregisterProtocolHandler(routing_id_, 3917 base::UTF16ToUTF8(scheme), 3918 url, 3919 user_gesture)); 3920 } 3921 3922 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const { 3923 blink::WebPageVisibilityState current_state = is_hidden() ? 3924 blink::WebPageVisibilityStateHidden : 3925 blink::WebPageVisibilityStateVisible; 3926 blink::WebPageVisibilityState override_state = current_state; 3927 // TODO(jam): move this method to WebFrameClient. 3928 if (GetContentClient()->renderer()-> 3929 ShouldOverridePageVisibilityState(main_render_frame_.get(), 3930 &override_state)) 3931 return override_state; 3932 return current_state; 3933 } 3934 3935 blink::WebPushClient* RenderViewImpl::webPushClient() { 3936 // TODO(mvanouwerkerk): Remove this method once the Push API code in Blink 3937 // has also switched over to Frame. 3938 return main_render_frame_->pushClient(); 3939 } 3940 3941 void RenderViewImpl::draggableRegionsChanged() { 3942 FOR_EACH_OBSERVER( 3943 RenderViewObserver, 3944 observers_, 3945 DraggableRegionsChanged(webview()->mainFrame())); 3946 } 3947 3948 #if defined(OS_ANDROID) 3949 WebContentDetectionResult RenderViewImpl::detectContentAround( 3950 const WebHitTestResult& touch_hit) { 3951 DCHECK(!touch_hit.isNull()); 3952 DCHECK(!touch_hit.node().isNull()); 3953 DCHECK(touch_hit.node().isTextNode()); 3954 3955 // Process the position with all the registered content detectors until 3956 // a match is found. Priority is provided by their relative order. 3957 for (ContentDetectorList::const_iterator it = content_detectors_.begin(); 3958 it != content_detectors_.end(); ++it) { 3959 ContentDetector::Result content = (*it)->FindTappedContent(touch_hit); 3960 if (content.valid) { 3961 return WebContentDetectionResult(content.content_boundaries, 3962 base::UTF8ToUTF16(content.text), content.intent_url); 3963 } 3964 } 3965 return WebContentDetectionResult(); 3966 } 3967 3968 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) { 3969 // Introduce a short delay so that the user can notice the content. 3970 base::MessageLoop::current()->PostDelayedTask( 3971 FROM_HERE, 3972 base::Bind(&RenderViewImpl::LaunchAndroidContentIntent, 3973 AsWeakPtr(), 3974 intent, 3975 expected_content_intent_id_), 3976 base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds)); 3977 } 3978 3979 void RenderViewImpl::cancelScheduledContentIntents() { 3980 ++expected_content_intent_id_; 3981 } 3982 3983 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent, 3984 size_t request_id) { 3985 if (request_id != expected_content_intent_id_) 3986 return; 3987 3988 // Remove the content highlighting if any. 3989 scheduleComposite(); 3990 3991 if (!intent.is_empty()) 3992 Send(new ViewHostMsg_StartContentIntent(routing_id_, intent)); 3993 } 3994 3995 bool RenderViewImpl::openDateTimeChooser( 3996 const blink::WebDateTimeChooserParams& params, 3997 blink::WebDateTimeChooserCompletion* completion) { 3998 // JavaScript may try to open a date time chooser while one is already open. 3999 if (date_time_picker_client_) 4000 return false; 4001 date_time_picker_client_.reset( 4002 new RendererDateTimePicker(this, params, completion)); 4003 return date_time_picker_client_->Open(); 4004 } 4005 4006 void RenderViewImpl::DismissDateTimeDialog() { 4007 DCHECK(date_time_picker_client_); 4008 date_time_picker_client_.reset(NULL); 4009 } 4010 4011 #endif // defined(OS_ANDROID) 4012 4013 void RenderViewImpl::OnShowContextMenu( 4014 ui::MenuSourceType source_type, const gfx::Point& location) { 4015 context_menu_source_type_ = source_type; 4016 has_host_context_menu_location_ = true; 4017 host_context_menu_location_ = location; 4018 if (webview()) 4019 webview()->showContextMenu(); 4020 has_host_context_menu_location_ = false; 4021 } 4022 4023 void RenderViewImpl::OnEnableViewSourceMode() { 4024 if (!webview()) 4025 return; 4026 WebFrame* main_frame = webview()->mainFrame(); 4027 if (!main_frame) 4028 return; 4029 main_frame->enableViewSourceMode(true); 4030 } 4031 4032 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS) 4033 bool RenderViewImpl::didTapMultipleTargets( 4034 const WebSize& inner_viewport_offset, 4035 const WebRect& touch_rect, 4036 const WebVector<WebRect>& target_rects) { 4037 if (!switches::IsLinkDisambiguationPopupEnabled()) 4038 return false; 4039 4040 // Never show a disambiguation popup when accessibility is enabled, 4041 // as this interferes with "touch exploration". 4042 AccessibilityMode accessibility_mode = 4043 GetMainRenderFrame()->accessibility_mode(); 4044 bool matches_accessibility_mode_complete = 4045 (accessibility_mode & AccessibilityModeComplete) == 4046 AccessibilityModeComplete; 4047 if (matches_accessibility_mode_complete) 4048 return false; 4049 4050 // The touch_rect, target_rects and zoom_rect are in the outer viewport 4051 // reference frame. 4052 gfx::Rect zoom_rect; 4053 float new_total_scale = 4054 DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( 4055 touch_rect, target_rects, GetSize(), 4056 gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(), 4057 device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect); 4058 if (!new_total_scale) 4059 return false; 4060 4061 bool handled = false; 4062 switch (renderer_preferences_.tap_multiple_targets_strategy) { 4063 case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM: 4064 handled = webview()->zoomToMultipleTargetsRect(zoom_rect); 4065 break; 4066 case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: { 4067 gfx::Size canvas_size = 4068 gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale)); 4069 cc::SharedBitmapManager* manager = 4070 RenderThreadImpl::current()->shared_bitmap_manager(); 4071 scoped_ptr<cc::SharedBitmap> shared_bitmap = 4072 manager->AllocateSharedBitmap(canvas_size); 4073 { 4074 SkBitmap bitmap; 4075 SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(), 4076 canvas_size.height()); 4077 bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes()); 4078 SkCanvas canvas(bitmap); 4079 4080 // TODO(trchen): Cleanup the device scale factor mess. 4081 // device scale will be applied in WebKit 4082 // --> zoom_rect doesn't include device scale, 4083 // but WebKit will still draw on zoom_rect * device_scale_factor_ 4084 canvas.scale(new_total_scale / device_scale_factor_, 4085 new_total_scale / device_scale_factor_); 4086 canvas.translate(-zoom_rect.x() * device_scale_factor_, 4087 -zoom_rect.y() * device_scale_factor_); 4088 4089 DCHECK(webwidget_->isAcceleratedCompositingActive()); 4090 // TODO(aelias): The disambiguation popup should be composited so we 4091 // don't have to call this method. 4092 webwidget_->paintCompositedDeprecated(&canvas, zoom_rect); 4093 } 4094 4095 gfx::Rect zoom_rect_in_screen = 4096 zoom_rect - gfx::Vector2d(inner_viewport_offset.width, 4097 inner_viewport_offset.height); 4098 4099 gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect( 4100 ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen))); 4101 4102 Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_, 4103 physical_window_zoom_rect, 4104 canvas_size, 4105 shared_bitmap->id())); 4106 cc::SharedBitmapId id = shared_bitmap->id(); 4107 disambiguation_bitmaps_[id] = shared_bitmap.release(); 4108 handled = true; 4109 break; 4110 } 4111 case TAP_MULTIPLE_TARGETS_STRATEGY_NONE: 4112 // No-op. 4113 break; 4114 } 4115 4116 return handled; 4117 } 4118 #endif // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS) 4119 4120 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const { 4121 return history_list_length_; 4122 } 4123 4124 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) { 4125 if (enable) { 4126 if (has_focus()) 4127 return; 4128 OnSetActive(true); 4129 OnSetFocus(true); 4130 } else { 4131 if (!has_focus()) 4132 return; 4133 OnSetFocus(false); 4134 OnSetActive(false); 4135 } 4136 } 4137 4138 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) { 4139 ViewMsg_Resize_Params params; 4140 params.screen_info = screen_info_; 4141 params.screen_info.deviceScaleFactor = factor; 4142 params.new_size = size(); 4143 params.physical_backing_size = 4144 gfx::ToCeiledSize(gfx::ScaleSize(size(), factor)); 4145 params.top_controls_layout_height = 0.f; 4146 params.resizer_rect = WebRect(); 4147 params.is_fullscreen = is_fullscreen(); 4148 OnResize(params); 4149 } 4150 4151 void RenderViewImpl::SetDeviceColorProfileForTesting( 4152 const std::vector<char>& color_profile) { 4153 SetDeviceColorProfile(color_profile); 4154 } 4155 4156 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) { 4157 gfx::Rect new_position(rootWindowRect().x, 4158 rootWindowRect().y, 4159 new_size.width(), 4160 new_size.height()); 4161 ResizeSynchronously(new_position); 4162 } 4163 4164 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) { 4165 resizing_mode_selector_->set_is_synchronous_mode(enable); 4166 } 4167 4168 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size, 4169 const gfx::Size& max_size) { 4170 OnEnableAutoResize(min_size, max_size); 4171 } 4172 4173 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) { 4174 OnDisableAutoResize(new_size); 4175 } 4176 4177 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap( 4178 const cc::SharedBitmapId& id) { 4179 BitmapMap::iterator it = disambiguation_bitmaps_.find(id); 4180 DCHECK(it != disambiguation_bitmaps_.end()); 4181 delete it->second; 4182 disambiguation_bitmaps_.erase(it); 4183 } 4184 4185 void RenderViewImpl::DidCommitCompositorFrame() { 4186 RenderWidget::DidCommitCompositorFrame(); 4187 FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame()); 4188 } 4189 4190 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) { 4191 if (!urls.empty()) 4192 Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls)); 4193 } 4194 4195 void RenderViewImpl::DidStopLoadingIcons() { 4196 int icon_types = WebIconURL::TypeFavicon; 4197 if (TouchEnabled()) 4198 icon_types |= WebIconURL::TypeTouchPrecomposed | WebIconURL::TypeTouch; 4199 4200 WebVector<WebIconURL> icon_urls = 4201 webview()->mainFrame()->iconURLs(icon_types); 4202 4203 std::vector<FaviconURL> urls; 4204 for (size_t i = 0; i < icon_urls.size(); i++) { 4205 WebURL url = icon_urls[i].iconURL(); 4206 std::vector<gfx::Size> sizes; 4207 ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes); 4208 if (!url.isEmpty()) 4209 urls.push_back( 4210 FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes)); 4211 } 4212 SendUpdateFaviconURL(urls); 4213 } 4214 4215 } // namespace content 4216
