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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_UI_GTK_TITLEBAR_THROB_ANIMATION_H_ | |
6 #define CHROME_BROWSER_UI_GTK_TITLEBAR_THROB_ANIMATION_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/compiler_specific.h" | |
10 #include "ui/gfx/gtk_util.h" | |
11 | |
12 // A helper class to keep track of which frame of the throbber animation | |
13 // we're showing. | |
14 class TitlebarThrobAnimation { | |
15 public: | |
16 TitlebarThrobAnimation(); | |
17 | |
18 // Get the next frame in the animation. The image is owned by the throbber | |
19 // so the caller doesn't need to unref. |is_waiting| is true if we're | |
20 // still waiting for a response. | |
21 GdkPixbuf* GetNextFrame(bool is_waiting); | |
22 | |
23 // Reset back to the first frame. | |
24 void Reset(); | |
25 | |
26 private: | |
27 // Make sure the frames are loaded. | |
28 static void InitFrames(); | |
29 | |
30 int current_frame_; | |
31 int current_waiting_frame_; | |
32 | |
33 DISALLOW_COPY_AND_ASSIGN(TitlebarThrobAnimation); | |
34 }; | |
35 | |
36 #endif // CHROME_BROWSER_UI_GTK_TITLEBAR_THROB_ANIMATION_H_ | |
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