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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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114 int routing_id, | 114 int routing_id, |
115 int main_frame_routing_id, | 115 int main_frame_routing_id, |
116 bool swapped_out, | 116 bool swapped_out, |
117 bool hidden); | 117 bool hidden); |
118 | 118 |
119 // Returns the existing RenderViewHost for a new RenderFrameHost. | 119 // Returns the existing RenderViewHost for a new RenderFrameHost. |
120 // There should always be such a RenderViewHost, because the main frame | 120 // There should always be such a RenderViewHost, because the main frame |
121 // RenderFrameHost for each SiteInstance should be created before subframes. | 121 // RenderFrameHost for each SiteInstance should be created before subframes. |
122 RenderViewHostImpl* GetRenderViewHost(SiteInstance* site_instance); | 122 RenderViewHostImpl* GetRenderViewHost(SiteInstance* site_instance); |
123 | 123 |
124 // Keeps track of which RenderFrameHosts and RenderFrameProxyHosts are using | 124 // Keeps track of which RenderFrameHosts are using each RenderViewHost. When |
125 // each RenderViewHost. When the number drops to zero, we call Shutdown on | 125 // the number drops to zero, we call Shutdown on the RenderViewHost. |
126 // the RenderViewHost. | 126 void RegisterRenderFrameHost(RenderFrameHostImpl* render_frame_host); |
127 void AddRenderViewHostRef(RenderViewHostImpl* render_view_host); | 127 void UnregisterRenderFrameHost(RenderFrameHostImpl* render_frame_host); |
128 void ReleaseRenderViewHostRef(RenderViewHostImpl* render_view_host); | |
129 | 128 |
130 // This is only meant to be called by FrameTreeNode. Triggers calling | 129 // This is only meant to be called by FrameTreeNode. Triggers calling |
131 // the listener installed by SetFrameRemoveListener. | 130 // the listener installed by SetFrameRemoveListener. |
132 void FrameRemoved(FrameTreeNode* frame); | 131 void FrameRemoved(FrameTreeNode* frame); |
133 | 132 |
134 // Updates the overall load progress and notifies the WebContents. | 133 // Updates the overall load progress and notifies the WebContents. |
135 void UpdateLoadProgress(); | 134 void UpdateLoadProgress(); |
136 | 135 |
137 // Returns this FrameTree's total load progress. | 136 // Returns this FrameTree's total load progress. |
138 double load_progress() { return load_progress_; } | 137 double load_progress() { return load_progress_; } |
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185 | 184 |
186 // Overall load progress. | 185 // Overall load progress. |
187 double load_progress_; | 186 double load_progress_; |
188 | 187 |
189 DISALLOW_COPY_AND_ASSIGN(FrameTree); | 188 DISALLOW_COPY_AND_ASSIGN(FrameTree); |
190 }; | 189 }; |
191 | 190 |
192 } // namespace content | 191 } // namespace content |
193 | 192 |
194 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ | 193 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_ |
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