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1 // Copyright 2014 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_UI_NATIVE_WINDOW_DELETION_OBSERVER_H_ | |
6 #define CHROME_BROWSER_UI_NATIVE_WINDOW_DELETION_OBSERVER_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "ui/gfx/native_widget_types.h" | |
10 | |
11 // An observer which can be probed for the life of a gfx::NativeWindow. | |
12 class NativeWindowDeletionObserver { | |
sky
2014/10/24 20:22:56
I would be inclined to name this NativeWindowTrack
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13 public: | |
14 static scoped_ptr<NativeWindowDeletionObserver> Create( | |
sky
2014/10/24 20:22:56
style guide says constructor/destructor before oth
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15 gfx::NativeWindow window); | |
16 | |
17 virtual ~NativeWindowDeletionObserver() {} | |
18 | |
19 // Returns true if the native window passed to Create() is still alive. | |
20 virtual bool IsNativeWindowAlive() const = 0; | |
21 }; | |
22 | |
23 #endif // CHROME_BROWSER_UI_NATIVE_WINDOW_DELETION_OBSERVER_H_ | |
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