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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_UI_BROWSER_LIST_OBSERVER_H_ | 5 #ifndef CHROME_BROWSER_UI_BROWSER_LIST_OBSERVER_H_ |
6 #define CHROME_BROWSER_UI_BROWSER_LIST_OBSERVER_H_ | 6 #define CHROME_BROWSER_UI_BROWSER_LIST_OBSERVER_H_ |
7 | 7 |
8 class Browser; | 8 class Browser; |
9 | 9 |
10 namespace chrome { | 10 namespace chrome { |
11 | 11 |
12 class BrowserListObserver { | 12 class BrowserListObserver { |
13 public: | 13 public: |
14 // Called immediately after a browser is added to the list | 14 // Called immediately after a browser is added to the list |
15 virtual void OnBrowserAdded(Browser* browser) {} | 15 virtual void OnBrowserAdded(Browser* browser) {} |
16 | 16 |
| 17 // Called when a Browser starts closing. This is called prior to |
| 18 // removing the tabs. Removing the tabs may delay or stop the close. |
| 19 virtual void OnBrowserClosing(Browser* browser) {} |
| 20 |
17 // Called immediately after a browser is removed from the list | 21 // Called immediately after a browser is removed from the list |
18 virtual void OnBrowserRemoved(Browser* browser) {} | 22 virtual void OnBrowserRemoved(Browser* browser) {} |
19 | 23 |
20 // Called immediately after a browser is set active (SetLastActive) | 24 // Called immediately after a browser is set active (SetLastActive) |
21 virtual void OnBrowserSetLastActive(Browser* browser) {} | 25 virtual void OnBrowserSetLastActive(Browser* browser) {} |
22 | 26 |
23 // Called immediately after a browser becomes not active. | 27 // Called immediately after a browser becomes not active. |
24 virtual void OnBrowserNoLongerActive(Browser* browser) {} | 28 virtual void OnBrowserNoLongerActive(Browser* browser) {} |
25 | 29 |
26 protected: | 30 protected: |
27 virtual ~BrowserListObserver() {} | 31 virtual ~BrowserListObserver() {} |
28 }; | 32 }; |
29 | 33 |
30 } // namespace chrome | 34 } // namespace chrome |
31 | 35 |
32 #endif // CHROME_BROWSER_UI_BROWSER_LIST_OBSERVER_H_ | 36 #endif // CHROME_BROWSER_UI_BROWSER_LIST_OBSERVER_H_ |
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