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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_RENDERER_RENDER_FRAME_PROXY_H_ | 5 #ifndef CONTENT_RENDERER_RENDER_FRAME_PROXY_H_ |
| 6 #define CONTENT_RENDERER_RENDER_FRAME_PROXY_H_ | 6 #define CONTENT_RENDERER_RENDER_FRAME_PROXY_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "content/common/content_export.h" | 10 #include "content/common/content_export.h" |
| 11 #include "ipc/ipc_listener.h" | 11 #include "ipc/ipc_listener.h" |
| 12 #include "ipc/ipc_sender.h" | 12 #include "ipc/ipc_sender.h" |
| 13 | |
| 14 #include "third_party/WebKit/public/web/WebRemoteFrame.h" | 13 #include "third_party/WebKit/public/web/WebRemoteFrame.h" |
| 15 #include "third_party/WebKit/public/web/WebRemoteFrameClient.h" | 14 #include "third_party/WebKit/public/web/WebRemoteFrameClient.h" |
| 16 | 15 |
| 17 struct FrameMsg_BuffersSwapped_Params; | 16 struct FrameMsg_BuffersSwapped_Params; |
| 18 struct FrameMsg_CompositorFrameSwapped_Params; | 17 struct FrameMsg_CompositorFrameSwapped_Params; |
| 19 | 18 |
| 20 namespace blink { | 19 namespace blink { |
| 21 class WebInputEvent; | 20 class WebInputEvent; |
| 22 } | 21 } |
| 23 | 22 |
| 24 namespace content { | 23 namespace content { |
| 25 | 24 |
| 26 class ChildFrameCompositingHelper; | 25 class ChildFrameCompositingHelper; |
| 27 class RenderFrameImpl; | 26 class RenderFrameImpl; |
| 28 class RenderViewImpl; | 27 class RenderViewImpl; |
| 28 struct FrameReplicationState; |
| 29 | 29 |
| 30 // When a page's frames are rendered by multiple processes, each renderer has a | 30 // When a page's frames are rendered by multiple processes, each renderer has a |
| 31 // full copy of the frame tree. It has full RenderFrames for the frames it is | 31 // full copy of the frame tree. It has full RenderFrames for the frames it is |
| 32 // responsible for rendering and placeholder objects for frames rendered by | 32 // responsible for rendering and placeholder objects for frames rendered by |
| 33 // other processes. This class is the renderer-side object for the placeholder. | 33 // other processes. This class is the renderer-side object for the placeholder. |
| 34 // RenderFrameProxy allows us to keep existing window references valid over | 34 // RenderFrameProxy allows us to keep existing window references valid over |
| 35 // cross-process navigations and route cross-site asynchronous JavaScript calls, | 35 // cross-process navigations and route cross-site asynchronous JavaScript calls, |
| 36 // such as postMessage. | 36 // such as postMessage. |
| 37 // | 37 // |
| 38 // For now, RenderFrameProxy is created when RenderFrame is swapped out. It | 38 // For now, RenderFrameProxy is created when RenderFrame is swapped out. It |
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| 67 // for example, after a cross-process navigation or after the addition of a | 67 // for example, after a cross-process navigation or after the addition of a |
| 68 // new frame local to some other process. |routing_id| will be the ID of the | 68 // new frame local to some other process. |routing_id| will be the ID of the |
| 69 // newly created RenderFrameProxy. |parent_routing_id| is the routing ID of | 69 // newly created RenderFrameProxy. |parent_routing_id| is the routing ID of |
| 70 // the RenderFrameProxy to which the new frame is parented. | 70 // the RenderFrameProxy to which the new frame is parented. |
| 71 // |render_view_routing_id| identifies the RenderView to be associated with | 71 // |render_view_routing_id| identifies the RenderView to be associated with |
| 72 // this frame. | 72 // this frame. |
| 73 // | 73 // |
| 74 // |parent_routing_id| always identifies a RenderFrameProxy (never a | 74 // |parent_routing_id| always identifies a RenderFrameProxy (never a |
| 75 // RenderFrame) because a new child of a local frame should always start out | 75 // RenderFrame) because a new child of a local frame should always start out |
| 76 // as a frame, not a proxy. | 76 // as a frame, not a proxy. |
| 77 static RenderFrameProxy* CreateFrameProxy(int routing_id, | 77 static RenderFrameProxy* CreateFrameProxy( |
| 78 int parent_routing_id, | 78 int routing_id, |
| 79 int render_view_routing_id); | 79 int parent_routing_id, |
| 80 int render_view_routing_id, |
| 81 const FrameReplicationState& replicated_state); |
| 80 | 82 |
| 81 // Returns the RenderFrameProxy for the given routing ID. | 83 // Returns the RenderFrameProxy for the given routing ID. |
| 82 static RenderFrameProxy* FromRoutingID(int routing_id); | 84 static RenderFrameProxy* FromRoutingID(int routing_id); |
| 83 | 85 |
| 84 // Returns the RenderFrameProxy given a WebFrame. | 86 // Returns the RenderFrameProxy given a WebFrame. |
| 85 static RenderFrameProxy* FromWebFrame(blink::WebFrame* web_frame); | 87 static RenderFrameProxy* FromWebFrame(blink::WebFrame* web_frame); |
| 86 | 88 |
| 87 ~RenderFrameProxy() override; | 89 ~RenderFrameProxy() override; |
| 88 | 90 |
| 89 // IPC::Sender | 91 // IPC::Sender |
| 90 bool Send(IPC::Message* msg) override; | 92 bool Send(IPC::Message* msg) override; |
| 91 | 93 |
| 92 // Out-of-process child frames receive a signal from RenderWidgetCompositor | 94 // Out-of-process child frames receive a signal from RenderWidgetCompositor |
| 93 // when a compositor frame has committed. | 95 // when a compositor frame has committed. |
| 94 void DidCommitCompositorFrame(); | 96 void DidCommitCompositorFrame(); |
| 95 | 97 |
| 98 // Pass replicated information, such as security origin, to this |
| 99 // RenderFrameProxy's WebRemoteFrame. |
| 100 void SetReplicatedState(const FrameReplicationState& state); |
| 101 |
| 96 int routing_id() { return routing_id_; } | 102 int routing_id() { return routing_id_; } |
| 97 RenderViewImpl* render_view() { return render_view_; } | 103 RenderViewImpl* render_view() { return render_view_; } |
| 98 blink::WebRemoteFrame* web_frame() { return web_frame_; } | 104 blink::WebRemoteFrame* web_frame() { return web_frame_; } |
| 99 | 105 |
| 100 // blink::WebRemoteFrameClient implementation: | 106 // blink::WebRemoteFrameClient implementation: |
| 101 virtual void frameDetached(); | 107 virtual void frameDetached(); |
| 102 virtual void postMessageEvent( | 108 virtual void postMessageEvent( |
| 103 blink::WebLocalFrame* sourceFrame, | 109 blink::WebLocalFrame* sourceFrame, |
| 104 blink::WebRemoteFrame* targetFrame, | 110 blink::WebRemoteFrame* targetFrame, |
| 105 blink::WebSecurityOrigin target, | 111 blink::WebSecurityOrigin target, |
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| 137 scoped_refptr<ChildFrameCompositingHelper> compositing_helper_; | 143 scoped_refptr<ChildFrameCompositingHelper> compositing_helper_; |
| 138 | 144 |
| 139 RenderViewImpl* render_view_; | 145 RenderViewImpl* render_view_; |
| 140 | 146 |
| 141 DISALLOW_COPY_AND_ASSIGN(RenderFrameProxy); | 147 DISALLOW_COPY_AND_ASSIGN(RenderFrameProxy); |
| 142 }; | 148 }; |
| 143 | 149 |
| 144 } // namespace | 150 } // namespace |
| 145 | 151 |
| 146 #endif // CONTENT_RENDERER_RENDER_FRAME_PROXY_H_ | 152 #endif // CONTENT_RENDERER_RENDER_FRAME_PROXY_H_ |
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