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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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62 // Returns the FrameTreeNode with the given renderer-specific |routing_id|. | 62 // Returns the FrameTreeNode with the given renderer-specific |routing_id|. |
63 FrameTreeNode* FindByRoutingID(int routing_id, int process_id); | 63 FrameTreeNode* FindByRoutingID(int routing_id, int process_id); |
64 | 64 |
65 // Executes |on_node| on each node in the frame tree. If |on_node| returns | 65 // Executes |on_node| on each node in the frame tree. If |on_node| returns |
66 // false, terminates the iteration immediately. Returning false is useful | 66 // false, terminates the iteration immediately. Returning false is useful |
67 // if |on_node| is just doing a search over the tree. The iteration proceeds | 67 // if |on_node| is just doing a search over the tree. The iteration proceeds |
68 // top-down and visits a node before adding its children to the queue, making | 68 // top-down and visits a node before adding its children to the queue, making |
69 // it safe to remove children during the callback. | 69 // it safe to remove children during the callback. |
70 void ForEach(const base::Callback<bool(FrameTreeNode*)>& on_node) const; | 70 void ForEach(const base::Callback<bool(FrameTreeNode*)>& on_node) const; |
71 | 71 |
72 // A variation to the method above with a difference that the subtree starting | |
73 // at |skip_node| will not be recursed into. | |
74 void ForEach(const base::Callback<bool(FrameTreeNode*)>& on_node, | |
awong
2014/09/03 21:58:38
Does this need to be public?
nasko
2014/09/03 23:50:19
No.
| |
75 FrameTreeNode* skip_node) const; | |
awong
2014/09/03 21:58:38
skip_node -> skip_this_subtree?
nasko
2014/09/03 23:50:19
Done.
| |
76 | |
72 // Frame tree manipulation routines. | 77 // Frame tree manipulation routines. |
73 RenderFrameHostImpl* AddFrame(FrameTreeNode* parent, | 78 RenderFrameHostImpl* AddFrame(FrameTreeNode* parent, |
74 int new_routing_id, | 79 int new_routing_id, |
75 const std::string& frame_name); | 80 const std::string& frame_name); |
76 void RemoveFrame(FrameTreeNode* child); | 81 void RemoveFrame(FrameTreeNode* child); |
77 | 82 |
78 // This method walks the entire frame tree and creates a RenderFrameProxyHost | 83 // This method walks the entire frame tree and creates a RenderFrameProxyHost |
79 // for the given |site_instance| in each node except the |source| one -- | 84 // for the given |site_instance| in each node except the |source| one -- |
80 // the source will have a RenderFrameHost. It assumes that no frame tree | 85 // the source will have a RenderFrameHost. It assumes that no frame tree |
81 // nodes already have RenderFrameProxyHost for the given |site_instance|. | 86 // nodes already have RenderFrameProxyHost for the given |site_instance|. |
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164 int64 focused_frame_tree_node_id_; | 169 int64 focused_frame_tree_node_id_; |
165 | 170 |
166 base::Callback<void(RenderFrameHost*)> on_frame_removed_; | 171 base::Callback<void(RenderFrameHost*)> on_frame_removed_; |
167 | 172 |
168 DISALLOW_COPY_AND_ASSIGN(FrameTree); | 173 DISALLOW_COPY_AND_ASSIGN(FrameTree); |
169 }; | 174 }; |
170 | 175 |
171 } // namespace content | 176 } // namespace content |
172 | 177 |
173 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ | 178 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ |
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