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Side by Side Diff: content/browser/frame_host/render_frame_host_impl.h

Issue 851333005: Revert of Make RenderFrame(Host) own a RenderWidget(Host). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 11 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_ 5 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_ 6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
7 7
8 #include <map> 8 #include <map>
9 #include <vector> 9 #include <vector>
10 10
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53 53
54 class CrossProcessFrameConnector; 54 class CrossProcessFrameConnector;
55 class CrossSiteTransferringRequest; 55 class CrossSiteTransferringRequest;
56 class FrameTree; 56 class FrameTree;
57 class FrameTreeNode; 57 class FrameTreeNode;
58 class PermissionServiceContext; 58 class PermissionServiceContext;
59 class RenderFrameHostDelegate; 59 class RenderFrameHostDelegate;
60 class RenderFrameProxyHost; 60 class RenderFrameProxyHost;
61 class RenderProcessHost; 61 class RenderProcessHost;
62 class RenderViewHostImpl; 62 class RenderViewHostImpl;
63 class RenderWidgetHostDelegate;
64 class RenderWidgetHostImpl; 63 class RenderWidgetHostImpl;
65 class RenderWidgetHostView;
66 class StreamHandle; 64 class StreamHandle;
67 class TimeoutMonitor; 65 class TimeoutMonitor;
68 struct CommitNavigationParams; 66 struct CommitNavigationParams;
69 struct CommonNavigationParams; 67 struct CommonNavigationParams;
70 struct ContextMenuParams; 68 struct ContextMenuParams;
71 struct GlobalRequestID; 69 struct GlobalRequestID;
72 struct Referrer; 70 struct Referrer;
73 struct ResourceResponse; 71 struct ResourceResponse;
74 struct TransitionLayerData; 72 struct TransitionLayerData;
75 73
76 // Flag arguments for RenderFrameHost creation. 74 // Flag arguments for RenderFrameHost creation.
77 enum CreateRenderFrameFlags { 75 enum CreateRenderFrameFlags {
78 // The RFH will be initially placed on the swapped out hosts list. 76 // The RFH will be initially placed on the swapped out hosts list.
79 CREATE_RF_SWAPPED_OUT = 1 << 0, 77 CREATE_RF_SWAPPED_OUT = 1 << 0,
80 // The new RenderFrame is being created for a navigation of the 78 // The new RenderFrame is being created for a navigation of the
81 // top-level frame. 79 // top-level frame.
82 CREATE_RF_FOR_MAIN_FRAME_NAVIGATION = 1 << 1, 80 CREATE_RF_FOR_MAIN_FRAME_NAVIGATION = 1 << 1,
83 // The RenderFrame is initially hidden. 81 // The RenderFrame is initially hidden.
84 CREATE_RF_HIDDEN = 1 << 2, 82 CREATE_RF_HIDDEN = 1 << 2
85 // The RenderFrameHost will have a new RenderWidgetHost created and
86 // attached to it. This is used when the RenderFrameHost is in a different
87 // process from its parent frame.
88 CREATE_RF_NEEDS_RENDER_WIDGET_HOST = 1 << 3
89 }; 83 };
90 84
91 class CONTENT_EXPORT RenderFrameHostImpl 85 class CONTENT_EXPORT RenderFrameHostImpl
92 : public RenderFrameHost, 86 : public RenderFrameHost,
93 public BrowserAccessibilityDelegate { 87 public BrowserAccessibilityDelegate {
94 public: 88 public:
95 // Keeps track of the state of the RenderFrameHostImpl, particularly with 89 // Keeps track of the state of the RenderFrameHostImpl, particularly with
96 // respect to swap out. 90 // respect to swap out.
97 enum RenderFrameHostImplState { 91 enum RenderFrameHostImplState {
98 // The standard state for a RFH handling the communication with an active 92 // The standard state for a RFH handling the communication with an active
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176 // cross-process subframe navigations in --site-per-process. 170 // cross-process subframe navigations in --site-per-process.
177 bool CreateRenderFrame(int parent_routing_id, int proxy_routing_id); 171 bool CreateRenderFrame(int parent_routing_id, int proxy_routing_id);
178 172
179 // Returns whether the RenderFrame in the renderer process has been created 173 // Returns whether the RenderFrame in the renderer process has been created
180 // and still has a connection. This is valid for all frames. 174 // and still has a connection. This is valid for all frames.
181 bool IsRenderFrameLive(); 175 bool IsRenderFrameLive();
182 176
183 // Tracks whether the RenderFrame for this RenderFrameHost has been created in 177 // Tracks whether the RenderFrame for this RenderFrameHost has been created in
184 // the renderer process. This is currently only used for subframes. 178 // the renderer process. This is currently only used for subframes.
185 // TODO(creis): Use this for main frames as well when RVH goes away. 179 // TODO(creis): Use this for main frames as well when RVH goes away.
186 void SetRenderFrameCreated(bool created); 180 void set_render_frame_created(bool created) {
181 render_frame_created_ = created;
182 }
187 183
188 // Called for renderer-created windows to resume requests from this frame, 184 // Called for renderer-created windows to resume requests from this frame,
189 // after they are blocked in RenderWidgetHelper::CreateNewWindow. 185 // after they are blocked in RenderWidgetHelper::CreateNewWindow.
190 void Init(); 186 void Init();
191 187
192 int routing_id() const { return routing_id_; } 188 int routing_id() const { return routing_id_; }
193 void OnCreateChildFrame(int new_routing_id, 189 void OnCreateChildFrame(int new_routing_id,
194 const std::string& frame_name, 190 const std::string& frame_name,
195 SandboxFlags sandbox_flags); 191 SandboxFlags sandbox_flags);
196 192
197 RenderViewHostImpl* render_view_host() { return render_view_host_; } 193 RenderViewHostImpl* render_view_host() { return render_view_host_; }
198 RenderFrameHostDelegate* delegate() { return delegate_; } 194 RenderFrameHostDelegate* delegate() { return delegate_; }
199 FrameTreeNode* frame_tree_node() { return frame_tree_node_; } 195 FrameTreeNode* frame_tree_node() { return frame_tree_node_; }
200 196 // TODO(nasko): The RenderWidgetHost will be owned by RenderFrameHost in
201 // This returns the RenderFrameHost's owned RenderWidgetHost if it has one, 197 // the future, so update this accessor to return the right pointer.
202 // or else it returns nullptr.
203 // If the RenderFrameHost is the page's main frame, this returns instead a
204 // pointer to the RenderViewHost (which inherits RenderWidgetHost).
205 RenderWidgetHostImpl* GetRenderWidgetHost(); 198 RenderWidgetHostImpl* GetRenderWidgetHost();
206 199
207 // This returns the RenderWidgetHostView that can be used to control
208 // focus and visibility for this frame.
209 RenderWidgetHostView* GetView();
210
211 // This function is called when this is a swapped out RenderFrameHost that 200 // This function is called when this is a swapped out RenderFrameHost that
212 // lives in the same process as the parent frame. The 201 // lives in the same process as the parent frame. The
213 // |cross_process_frame_connector| allows the non-swapped-out 202 // |cross_process_frame_connector| allows the non-swapped-out
214 // RenderFrameHost for a frame to communicate with the parent process 203 // RenderFrameHost for a frame to communicate with the parent process
215 // so that it may composite drawing data. 204 // so that it may composite drawing data.
216 // 205 //
217 // Ownership is not transfered. 206 // Ownership is not transfered.
218 void set_cross_process_frame_connector( 207 void set_cross_process_frame_connector(
219 CrossProcessFrameConnector* cross_process_frame_connector) { 208 CrossProcessFrameConnector* cross_process_frame_connector) {
220 cross_process_frame_connector_ = cross_process_frame_connector; 209 cross_process_frame_connector_ = cross_process_frame_connector;
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405 394
406 protected: 395 protected:
407 friend class RenderFrameHostFactory; 396 friend class RenderFrameHostFactory;
408 397
409 // |flags| is a combination of CreateRenderFrameFlags. 398 // |flags| is a combination of CreateRenderFrameFlags.
410 // TODO(nasko): Remove dependency on RenderViewHost here. RenderProcessHost 399 // TODO(nasko): Remove dependency on RenderViewHost here. RenderProcessHost
411 // should be the abstraction needed here, but we need RenderViewHost to pass 400 // should be the abstraction needed here, but we need RenderViewHost to pass
412 // into WebContentsObserver::FrameDetached for now. 401 // into WebContentsObserver::FrameDetached for now.
413 RenderFrameHostImpl(RenderViewHostImpl* render_view_host, 402 RenderFrameHostImpl(RenderViewHostImpl* render_view_host,
414 RenderFrameHostDelegate* delegate, 403 RenderFrameHostDelegate* delegate,
415 RenderWidgetHostDelegate* rwh_delegate,
416 FrameTree* frame_tree, 404 FrameTree* frame_tree,
417 FrameTreeNode* frame_tree_node, 405 FrameTreeNode* frame_tree_node,
418 int routing_id, 406 int routing_id,
419 int flags); 407 int flags);
420 408
421 private: 409 private:
422 friend class TestRenderFrameHost; 410 friend class TestRenderFrameHost;
423 friend class TestRenderViewHost; 411 friend class TestRenderViewHost;
424 412
425 FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest, CrashSubframe); 413 FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest, CrashSubframe);
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551 // messages from the renderer requesting DOM manipulation. 539 // messages from the renderer requesting DOM manipulation.
552 FrameTree* frame_tree_; 540 FrameTree* frame_tree_;
553 541
554 // The FrameTreeNode which this RenderFrameHostImpl is hosted in. 542 // The FrameTreeNode which this RenderFrameHostImpl is hosted in.
555 FrameTreeNode* frame_tree_node_; 543 FrameTreeNode* frame_tree_node_;
556 544
557 // The mapping of pending JavaScript calls created by 545 // The mapping of pending JavaScript calls created by
558 // ExecuteJavaScript and their corresponding callbacks. 546 // ExecuteJavaScript and their corresponding callbacks.
559 std::map<int, JavaScriptResultCallback> javascript_callbacks_; 547 std::map<int, JavaScriptResultCallback> javascript_callbacks_;
560 548
561 // RenderFrameHosts that need management of the rendering and input events
562 // for their frame subtrees require RenderWidgetHosts. This typically
563 // means frames that are rendered in different processes from their parent
564 // frames.
565 // TODO(kenrb): Later this will also be used on the top-level frame, when
566 // RenderFrameHost owns its RenderViewHost.
567 scoped_ptr<RenderWidgetHostImpl> render_widget_host_;
568
569 int routing_id_; 549 int routing_id_;
570 550
571 // The current state of this RenderFrameHost. 551 // The current state of this RenderFrameHost.
572 RenderFrameHostImplState rfh_state_; 552 RenderFrameHostImplState rfh_state_;
573 553
574 // Tracks whether the RenderFrame for this RenderFrameHost has been created in 554 // Tracks whether the RenderFrame for this RenderFrameHost has been created in
575 // the renderer process. Currently only used for subframes. 555 // the renderer process. Currently only used for subframes.
576 // TODO(creis): Use this for main frames as well when RVH goes away. 556 // TODO(creis): Use this for main frames as well when RVH goes away.
577 bool render_frame_created_; 557 bool render_frame_created_;
578 558
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647 627
648 // NOTE: This must be the last member. 628 // NOTE: This must be the last member.
649 base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_; 629 base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
650 630
651 DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl); 631 DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
652 }; 632 };
653 633
654 } // namespace content 634 } // namespace content
655 635
656 #endif // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_ 636 #endif // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
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