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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_TRACKER_H_ |
| 6 #define CHROME_BROWSER_UI_NATIVE_WINDOW_TRACKER_H_ |
| 7 |
| 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "ui/gfx/native_widget_types.h" |
| 10 |
| 11 // An observer which detects when a gfx::NativeWindow is closed. |
| 12 class NativeWindowTracker { |
| 13 public: |
| 14 virtual ~NativeWindowTracker() {} |
| 15 |
| 16 static scoped_ptr<NativeWindowTracker> Create(gfx::NativeWindow window); |
| 17 |
| 18 // Returns true if the native window passed to Create() has been closed. |
| 19 virtual bool WasNativeWindowClosed() const = 0; |
| 20 }; |
| 21 |
| 22 #endif // CHROME_BROWSER_UI_NATIVE_WINDOW_TRACKER_H_ |
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