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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
6 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 6 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/gfx/size.h" | 10 #include "base/gfx/size.h" |
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167 | 167 |
168 // Indicates if the page has finished loading. | 168 // Indicates if the page has finished loading. |
169 void SetIsLoading(bool is_loading); | 169 void SetIsLoading(bool is_loading); |
170 | 170 |
171 // Get access to the widget's backing store. If a resize is in progress, | 171 // Get access to the widget's backing store. If a resize is in progress, |
172 // then the current size of the backing store may be less than the size of | 172 // then the current size of the backing store may be less than the size of |
173 // the widget's view. This method returns NULL if the backing store could | 173 // the widget's view. This method returns NULL if the backing store could |
174 // not be created. | 174 // not be created. |
175 BackingStore* GetBackingStore(); | 175 BackingStore* GetBackingStore(); |
176 | 176 |
| 177 // Allocate a new backing store of the given size. Returns NULL on failure |
| 178 // (for example, if we don't currently have a RenderWidgetHostView.) |
| 179 BackingStore* AllocBackingStore(const gfx::Size& size); |
| 180 |
177 // Checks to see if we can give up focus to this widget through a JS call. | 181 // Checks to see if we can give up focus to this widget through a JS call. |
178 virtual bool CanBlur() const { return true; } | 182 virtual bool CanBlur() const { return true; } |
179 | 183 |
180 // Starts a hang monitor timeout. If there's already a hang monitor timeout | 184 // Starts a hang monitor timeout. If there's already a hang monitor timeout |
181 // the new one will only fire if it has a shorter delay than the time | 185 // the new one will only fire if it has a shorter delay than the time |
182 // left on the existing timeouts. | 186 // left on the existing timeouts. |
183 void StartHangMonitorTimeout(base::TimeDelta delay); | 187 void StartHangMonitorTimeout(base::TimeDelta delay); |
184 | 188 |
185 // Restart the active hang monitor timeout. Clears all existing timeouts and | 189 // Restart the active hang monitor timeout. Clears all existing timeouts and |
186 // starts with a new one. This can be because the renderer has become | 190 // starts with a new one. This can be because the renderer has become |
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343 bool view_being_painted_; | 347 bool view_being_painted_; |
344 | 348 |
345 // Used for UMA histogram logging to measure the time for a repaint view | 349 // Used for UMA histogram logging to measure the time for a repaint view |
346 // operation to finish. | 350 // operation to finish. |
347 base::TimeTicks repaint_start_time_; | 351 base::TimeTicks repaint_start_time_; |
348 | 352 |
349 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost); | 353 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost); |
350 }; | 354 }; |
351 | 355 |
352 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 356 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
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