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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_FRAME_TREE_H_ | 5 #ifndef CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ |
6 #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ | 6 #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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81 // Update the frame tree after a process exits. Any nodes currently using the | 81 // Update the frame tree after a process exits. Any nodes currently using the |
82 // given |render_view_host| will lose all their children. | 82 // given |render_view_host| will lose all their children. |
83 // TODO(creis): This should take a RenderProcessHost once RenderFrameHost | 83 // TODO(creis): This should take a RenderProcessHost once RenderFrameHost |
84 // knows its process. Until then, we would just be asking the RenderViewHost | 84 // knows its process. Until then, we would just be asking the RenderViewHost |
85 // for its process, so we'll skip that step. | 85 // for its process, so we'll skip that step. |
86 void RenderProcessGone(RenderViewHost* render_view_host); | 86 void RenderProcessGone(RenderViewHost* render_view_host); |
87 | 87 |
88 // Convenience accessor for the main frame's RenderFrameHostImpl. | 88 // Convenience accessor for the main frame's RenderFrameHostImpl. |
89 RenderFrameHostImpl* GetMainFrame() const; | 89 RenderFrameHostImpl* GetMainFrame() const; |
90 | 90 |
| 91 // Returns the focused frame. |
| 92 FrameTreeNode* GetFocusedFrame(); |
| 93 |
| 94 // Sets the focused frame. |
| 95 void SetFocusedFrame(FrameTreeNode* node); |
| 96 |
91 // Allows a client to listen for frame removal. The listener should expect | 97 // Allows a client to listen for frame removal. The listener should expect |
92 // to receive the RenderViewHostImpl containing the frame and the renderer- | 98 // to receive the RenderViewHostImpl containing the frame and the renderer- |
93 // specific frame routing ID of the removed frame. | 99 // specific frame routing ID of the removed frame. |
94 // TODO(creis): These parameters will later change to be the RenderFrameHost. | 100 // TODO(creis): These parameters will later change to be the RenderFrameHost. |
95 void SetFrameRemoveListener( | 101 void SetFrameRemoveListener( |
96 const base::Callback<void(RenderViewHostImpl*, int)>& on_frame_removed); | 102 const base::Callback<void(RenderViewHostImpl*, int)>& on_frame_removed); |
97 | 103 |
98 // Creates a RenderViewHost for a new main frame RenderFrameHost in the given | 104 // Creates a RenderViewHost for a new main frame RenderFrameHost in the given |
99 // |site_instance|. The RenderViewHost will have its Shutdown method called | 105 // |site_instance|. The RenderViewHost will have its Shutdown method called |
100 // when all of the RenderFrameHosts using it are deleted. | 106 // when all of the RenderFrameHosts using it are deleted. |
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138 | 144 |
139 // Map of SiteInstance ID to RenderViewHosts that are pending shutdown. The | 145 // Map of SiteInstance ID to RenderViewHosts that are pending shutdown. The |
140 // renderers of these RVH are currently executing the unload event in | 146 // renderers of these RVH are currently executing the unload event in |
141 // background. When the SwapOutACK is received, they will be deleted. In the | 147 // background. When the SwapOutACK is received, they will be deleted. In the |
142 // meantime, they are kept in this map, as they should not be reused (part of | 148 // meantime, they are kept in this map, as they should not be reused (part of |
143 // their state is already gone away). | 149 // their state is already gone away). |
144 RenderViewHostMultiMap render_view_host_pending_shutdown_map_; | 150 RenderViewHostMultiMap render_view_host_pending_shutdown_map_; |
145 | 151 |
146 scoped_ptr<FrameTreeNode> root_; | 152 scoped_ptr<FrameTreeNode> root_; |
147 | 153 |
| 154 int64 focused_frame_tree_node_id_; |
| 155 |
148 base::Callback<void(RenderViewHostImpl*, int)> on_frame_removed_; | 156 base::Callback<void(RenderViewHostImpl*, int)> on_frame_removed_; |
149 | 157 |
150 DISALLOW_COPY_AND_ASSIGN(FrameTree); | 158 DISALLOW_COPY_AND_ASSIGN(FrameTree); |
151 }; | 159 }; |
152 | 160 |
153 } // namespace content | 161 } // namespace content |
154 | 162 |
155 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ | 163 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ |
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