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.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
16 #include "base/callback.h"
17 #include "base/compiler_specific.h"
18 #include "base/gtest_prod_util.h"
19 #include "base/logging.h"
20 #include "base/macros.h"
21 #include "base/process/kill.h"
22 #include "build/build_config.h"
23 #include "content/browser/renderer_host/render_widget_host_impl.h"
24 #include "content/browser/renderer_host/render_widget_host_owner_delegate.h"
25 #include "content/browser/site_instance_impl.h"
26 #include "content/public/browser/notification_observer.h"
27 #include "content/public/browser/render_process_host_observer.h"
28 #include "content/public/browser/render_view_host.h"
29 #include "content/public/common/window_container_type.h"
30 #include "net/base/load_states.h"
31 #include "third_party/WebKit/public/web/WebAXEnums.h"
32 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
33 #include "third_party/WebKit/public/web/WebPopupType.h"
34 #include "third_party/skia/include/core/SkColor.h"
35 #include "ui/base/window_open_disposition.h"
38 #if defined(OS_TIZEN_TV_PRODUCT)
39 struct ViewHostMsg_FocusedNodeChanged_Params;
45 class SessionStorageNamespace;
46 struct FrameReplicationState;
49 class CreateNewWindowParams;
52 // This implements the RenderViewHost interface that is exposed to
53 // embedders of content, and adds things only visible to content.
55 // The exact API of this object needs to be more thoroughly designed. Right
56 // now it mimics what WebContentsImpl exposed, which is a fairly large API and
57 // may contain things that are not relevant to a common subset of views. See
58 // also the comment in render_view_host_delegate.h about the size and scope of
61 // Right now, the concept of page navigation (both top level and frame) exists
62 // in the WebContentsImpl still, so if you instantiate one of these elsewhere,
63 // you will not be able to traverse pages back and forward. We need to determine
64 // if we want to bring that and other functionality down into this object so it
65 // can be shared by others.
67 // DEPRECATED: RenderViewHostImpl is being removed as part of the SiteIsolation
68 // project. New code should not be added here, but to either RenderFrameHostImpl
69 // (if frame specific) or WebContentsImpl (if page specific).
71 // For context, please see https://crbug.com/467770 and
72 // http://www.chromium.org/developers/design-documents/site-isolation.
73 class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
74 public RenderWidgetHostOwnerDelegate,
75 public RenderProcessHostObserver {
77 // Convenience function, just like RenderViewHost::FromID.
78 static RenderViewHostImpl* FromID(int render_process_id, int render_view_id);
80 // Convenience function, just like RenderViewHost::From.
81 static RenderViewHostImpl* From(RenderWidgetHost* rwh);
83 RenderViewHostImpl(SiteInstance* instance,
84 std::unique_ptr<RenderWidgetHostImpl> widget,
85 RenderViewHostDelegate* delegate,
86 int32_t main_frame_routing_id,
88 bool has_initialized_audio_host);
89 ~RenderViewHostImpl() override;
91 // Shuts down this RenderViewHost and deletes it.
92 void ShutdownAndDestroy();
94 // RenderViewHost implementation.
95 bool Send(IPC::Message* msg) override;
96 RenderWidgetHostImpl* GetWidget() const override;
97 RenderProcessHost* GetProcess() const override;
98 int GetRoutingID() const override;
99 RenderFrameHost* GetMainFrame() override;
100 void AllowBindings(int binding_flags) override;
101 void ClearFocusedElement() override;
102 bool IsFocusedElementEditable() override;
103 void DirectoryEnumerationFinished(
105 const std::vector<base::FilePath>& files) override;
106 void DisableScrollbarsForThreshold(const gfx::Size& size) override;
107 void EnableAutoResize(const gfx::Size& min_size,
108 const gfx::Size& max_size) override;
109 void DisableAutoResize(const gfx::Size& new_size) override;
110 void EnablePreferredSizeMode() override;
111 void ExecuteMediaPlayerActionAtLocation(
112 const gfx::Point& location,
113 const blink::WebMediaPlayerAction& action) override;
114 void ExecutePluginActionAtLocation(
115 const gfx::Point& location,
116 const blink::WebPluginAction& action) override;
117 RenderViewHostDelegate* GetDelegate() const override;
118 int GetEnabledBindings() const override;
119 SiteInstanceImpl* GetSiteInstance() const override;
120 bool IsRenderViewLive() const override;
121 void NotifyMoveOrResizeStarted() override;
122 void SetWebUIProperty(const std::string& name,
123 const std::string& value) override;
124 void Zoom(PageZoom zoom) override;
125 void SyncRendererPrefs() override;
126 WebPreferences GetWebkitPreferences() override;
127 void UpdateWebkitPreferences(const WebPreferences& prefs) override;
129 void SavePageAs(const base::FilePath::StringType& pure_file_name) override;
131 void OnReceiveBitmapFromCache(const SkBitmap& bitmap,
132 const int request_id) override;
134 void OnWebkitPreferencesChanged() override;
135 void SelectWordAroundCaret() override;
137 #if defined(OS_ANDROID)
138 void GetSelectionMarkupWithBounds() override;
139 void OnHoverHitTestResult(const blink::WebHoverContentType contentType) override;
140 void OnUpdateFixedElementHeightAtPoint(int height);
141 void OnSelectedMarkupWithStartContentRect(
142 const base::string16& markup, const gfx::Rect& start_rect);
145 // RenderProcessHostObserver implementation
146 void RenderProcessReady(RenderProcessHost* host) override;
147 void RenderProcessExited(RenderProcessHost* host,
148 base::TerminationStatus status,
149 int exit_code) override;
151 void set_delegate(RenderViewHostDelegate* d) {
152 CHECK(d); // http://crbug.com/82827
156 // Set up the RenderView child process. Virtual because it is overridden by
157 // TestRenderViewHost.
158 // The |opener_route_id| parameter indicates which RenderView created this
159 // (MSG_ROUTING_NONE if none).
160 // |window_was_created_with_opener| is true if this top-level frame was
161 // created with an opener. (The opener may have been closed since.)
162 // The |proxy_route_id| is only used when creating a RenderView in swapped out
164 // |replicated_frame_state| contains replicated data for the top-level frame,
165 // such as its name and sandbox flags.
166 virtual bool CreateRenderView(
167 int opener_frame_route_id,
169 const FrameReplicationState& replicated_frame_state,
170 bool window_was_created_with_opener);
172 base::TerminationStatus render_view_termination_status() const {
173 return render_view_termination_status_;
176 // Tracks whether this RenderViewHost is in an active state (rather than
177 // pending swap out or swapped out), according to its main frame
179 bool is_active() const { return is_active_; }
180 void set_is_active(bool is_active) { is_active_ = is_active; }
182 // Tracks whether this RenderViewHost is swapped out, according to its main
183 // frame RenderFrameHost.
184 void set_is_swapped_out(bool is_swapped_out) {
185 is_swapped_out_ = is_swapped_out;
188 // TODO(creis): Remove as part of http://crbug.com/418265.
189 bool is_waiting_for_close_ack() const { return is_waiting_for_close_ack_; }
191 // Tells the renderer process to run the page's unload handler.
192 // A ClosePage_ACK ack is sent back when the handler execution completes.
195 // Close the page ignoring whether it has unload events registers.
196 // This is called after the beforeunload and unload events have fired
197 // and the user has agreed to continue with closing the page.
198 void ClosePageIgnoringUnloadEvents();
200 // Tells the renderer view to focus the first (last if reverse is true) node.
201 void SetInitialFocus(bool reverse);
203 bool SuddenTerminationAllowed() const;
204 void set_sudden_termination_allowed(bool enabled) {
205 sudden_termination_allowed_ = enabled;
208 // Creates a new RenderView with the given route id.
209 void CreateNewWindow(int32_t route_id,
210 int32_t main_frame_route_id,
211 int32_t main_frame_widget_route_id,
212 const mojom::CreateNewWindowParams& params,
213 SessionStorageNamespace* session_storage_namespace);
215 // Creates a new RenderWidget with the given route id. |popup_type| indicates
216 // if this widget is a popup and what kind of popup it is (select, autofill).
217 void CreateNewWidget(int32_t route_id, blink::WebPopupType popup_type);
219 // Creates a full screen RenderWidget.
220 void CreateNewFullscreenWidget(int32_t route_id);
222 // Send RenderViewReady to observers once the process is launched, but not
224 void PostRenderViewReady();
226 // TODO(creis): Remove after debugging https:/crbug.com/575245.
227 int main_frame_routing_id() const {
228 return main_frame_routing_id_;
231 void set_main_frame_routing_id(int routing_id) {
232 main_frame_routing_id_ = routing_id;
235 // Increases the refcounting on this RVH. This is done by the FrameTree on
236 // creation of a RenderFrameHost or RenderFrameProxyHost.
237 void increment_ref_count() { ++frames_ref_count_; }
239 // Decreases the refcounting on this RVH. This is done by the FrameTree on
240 // destruction of a RenderFrameHost or RenderFrameProxyHost.
241 void decrement_ref_count() { --frames_ref_count_; }
243 // Returns the refcount on this RVH, that is the number of RenderFrameHosts
244 // and RenderFrameProxyHosts currently using it.
245 int ref_count() { return frames_ref_count_; }
247 // NOTE: Do not add functions that just send an IPC message that are called in
248 // one or two places. Have the caller send the IPC message directly (unless
249 // the caller places are in different platforms, in which case it's better
250 // to keep them consistent).
252 void RetrieveWebState();
253 void RestoreWebState(const std::string& web_state);
254 void HandleSelectionDrop(int x, int y, base::string16& text,
255 base::string16& html_text);
256 void GetSelectionMarkup();
259 // RenderWidgetHostOwnerDelegate overrides.
260 bool OnMessageReceived(const IPC::Message& msg) override;
261 void RenderWidgetDidInit() override;
262 void RenderWidgetWillSetIsLoading(bool is_loading) override;
263 void RenderWidgetGotFocus() override;
264 void RenderWidgetDidForwardMouseEvent(
265 const blink::WebMouseEvent& mouse_event) override;
266 bool MayRenderWidgetForwardKeyboardEvent(
267 const NativeWebKeyboardEvent& key_event) override;
269 // IPC message handlers.
270 void OnShowView(int route_id,
271 WindowOpenDisposition disposition,
272 const gfx::Rect& initial_rect,
274 void OnShowWidget(int route_id, const gfx::Rect& initial_rect);
275 void OnShowFullscreenWidget(int route_id);
276 void OnRenderProcessGone(int status, int error_code);
277 void OnUpdateState(const PageState& state);
278 void OnUpdateTargetURL(const GURL& url);
280 void OnRequestMove(const gfx::Rect& pos);
281 void OnDocumentAvailableInMainFrame(bool uses_temporary_zoom_level);
282 void OnDidContentsPreferredSizeChange(const gfx::Size& new_size);
283 void OnPasteFromSelectionClipboard();
284 void OnRouteCloseEvent();
285 void OnTakeFocus(bool reverse);
286 void OnFocusedNodeChanged(bool is_editable_node,
287 const gfx::Rect& node_bounds_in_viewport,
289 base::string16 node_id
290 #if defined(OS_TIZEN_TV_PRODUCT)
292 const ViewHostMsg_FocusedNodeChanged_Params& params
295 void OnClosePageACK();
296 void OnDidZoomURL(double zoom_level, const GURL& url);
297 void OnFocusedNodeTouched(bool editable);
300 void OnSelectedMarkup(const base::string16& markup) override;
301 void OnSelectedBitmap(const SkBitmap& bitmap) override;
302 void OnRecognizeArticleResult(
303 bool is_article, const base::string16& page_url);
304 void MoveFocusToPrevNextInput(bool is_next) override;
306 //SBROWSER_FORM_NAVIGATION
307 //FIXME: FORM Navigation Features to be re-implemented for m39
308 //Bug: http://107.108.218.239/bugzilla/show_bug.cgi?id=324
310 //virtual void moveToPrevInput() override;
311 //virtual void moveToNextInput() override;
314 // TODO(nasko): Temporarily friend RenderFrameHostImpl, so we don't duplicate
315 // utility functions and state needed in both classes, while we move frame
316 // specific code away from this class.
317 friend class RenderFrameHostImpl;
318 friend class TestRenderViewHost;
319 FRIEND_TEST_ALL_PREFIXES(RenderViewHostTest, BasicRenderFrameHost);
320 FRIEND_TEST_ALL_PREFIXES(RenderViewHostTest, RoutingIdSane);
321 FRIEND_TEST_ALL_PREFIXES(RenderFrameHostManagerTest,
322 CleanUpSwappedOutRVHOnProcessCrash);
323 FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest,
324 NavigateMainFrameToChildSite);
326 void RenderViewReady();
328 // TODO(creis): Move to a private namespace on RenderFrameHostImpl.
329 // Delay to wait on closing the WebContents for a beforeunload/unload handler
331 static const int64_t kUnloadTimeoutMS;
333 // Returns the content specific prefs for this RenderViewHost.
334 // TODO(creis): Move most of this method to RenderProcessHost, since it's
335 // mostly the same across all RVHs in a process. Move the rest to RFH.
336 // See https://crbug.com/304341.
337 WebPreferences ComputeWebkitPrefs();
339 // The RenderWidgetHost.
340 std::unique_ptr<RenderWidgetHostImpl> render_widget_host_;
342 // The number of RenderFrameHosts which have a reference to this RVH.
343 int frames_ref_count_;
345 // Our delegate, which wants to know about changes in the RenderView.
346 RenderViewHostDelegate* delegate_;
348 // The SiteInstance associated with this RenderViewHost. All pages drawn
349 // in this RenderViewHost are part of this SiteInstance. Cannot change
351 scoped_refptr<SiteInstanceImpl> instance_;
353 // A bitwise OR of bindings types that have been enabled for this RenderView.
354 // See BindingsPolicy for details.
355 int enabled_bindings_;
357 // Tracks whether this RenderViewHost is in an active state. False if the
358 // main frame is pending swap out, pending deletion, or swapped out, because
359 // it is not visible to the user in any of these cases.
362 // Tracks whether the main frame RenderFrameHost is swapped out. Unlike
363 // is_active_, this is false when the frame is pending swap out or deletion.
364 // TODO(creis): Remove this when we no longer use swappedout://.
365 // See http://crbug.com/357747.
366 bool is_swapped_out_;
368 // Routing ID for the main frame's RenderFrameHost.
369 int main_frame_routing_id_;
371 // Set to true when waiting for a ViewHostMsg_ClosePageACK.
372 // TODO(creis): Move to RenderFrameHost and RenderWidgetHost.
373 // See http://crbug.com/418265.
374 bool is_waiting_for_close_ack_;
376 // True if the render view can be shut down suddenly.
377 bool sudden_termination_allowed_;
379 // The termination status of the last render view that terminated.
380 base::TerminationStatus render_view_termination_status_;
382 // True if the current focused element is editable.
383 bool is_focused_element_editable_;
385 // This is updated every time UpdateWebkitPreferences is called. That method
386 // is in turn called when any of the settings change that the WebPreferences
388 std::unique_ptr<WebPreferences> web_preferences_;
390 bool updating_web_preferences_;
392 bool render_view_ready_on_process_launch_;
394 base::WeakPtrFactory<RenderViewHostImpl> weak_factory_;
396 DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
399 } // namespace content
401 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_