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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_MEMORY_TAB_MANAGER_OBSERVER_H_ | |
6 #define CHROME_BROWSER_MEMORY_TAB_MANAGER_OBSERVER_H_ | |
7 | |
8 namespace content { | |
9 class WebContents; | |
10 } | |
11 | |
12 namespace memory { | |
13 | |
14 // Interface for objects that wish to be notified of changes in TabManager. | |
15 class TabManagerObserver { | |
16 public: | |
17 // Invoked when the Discarded state changes. | |
18 // Sends the WebContents of the tab that had the discarded property changed | |
19 // and the current state to let observers know if it is discarderd or not. | |
20 virtual void OnDiscardedStateChange(content::WebContents* contents, | |
21 bool is_discarded); | |
22 | |
23 // Invoked when the auto-discardable state changes. | |
24 virtual void OnAutoDiscardableStateChange(content::WebContents* contents, | |
25 bool is_auto_discardable); | |
26 | |
27 protected: | |
28 virtual ~TabManagerObserver(); | |
29 }; | |
30 | |
31 } // namespace memory | |
32 | |
33 #endif // CHROME_BROWSER_MEMORY_TAB_MANAGER_OBSERVER_H_ | |
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