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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_CHROMEOS_BRIGHTNESS_BUBBLE_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ |
6 #define CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ | 6 #define CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "chrome/browser/chromeos/setting_level_bubble.h" | 10 #include "chrome/browser/chromeos/setting_level_bubble.h" |
| 11 #include "views/widget/widget.h" |
11 | 12 |
12 template <typename T> struct DefaultSingletonTraits; | 13 template <typename T> struct DefaultSingletonTraits; |
13 | 14 |
14 namespace chromeos { | 15 namespace chromeos { |
15 | 16 |
16 // Singleton class controlling brightness bubble. | 17 // Singleton class controlling brightness bubble. |
17 class BrightnessBubble : public SettingLevelBubble { | 18 class BrightnessBubble : public views::Widget::Observer { |
18 public: | 19 public: |
| 20 // Returns the singleton brightness bubble instance. |
19 static BrightnessBubble* GetInstance(); | 21 static BrightnessBubble* GetInstance(); |
20 | 22 |
| 23 // views::Widget::Observer overrides: |
| 24 void OnWidgetClosing(views::Widget* widget) OVERRIDE; |
| 25 |
| 26 // Updates the target |percent| and icon to be used, sets |
| 27 // the bubble to |enabled| and shows the bubble. |
| 28 void ShowBubble(double percent, bool enabled); |
| 29 |
| 30 // Updates the bubble |percent| and |enabled| state. See |
| 31 // comments at setting_level_bubble.h. |
| 32 void UpdateWithoutShowingBubble(double percent, bool enabled); |
| 33 |
| 34 // Hides the bubble. |
| 35 void HideBubble(); |
| 36 |
21 private: | 37 private: |
22 friend struct DefaultSingletonTraits<BrightnessBubble>; | 38 friend struct DefaultSingletonTraits<BrightnessBubble>; |
23 | 39 |
24 BrightnessBubble(); | 40 BrightnessBubble(); |
25 virtual ~BrightnessBubble() {} | 41 virtual ~BrightnessBubble(); |
| 42 |
| 43 // Checks that widget has been created or is not closed. |
| 44 // Creates widget if needed. |
| 45 void MaybeCreateWidget(double percent, bool enabled); |
| 46 |
| 47 // Bubble widget. |
| 48 views::Widget* widget_; |
| 49 |
| 50 FRIEND_TEST_ALL_PREFIXES(BrightnessBubbleTest, UpdateWithoutShowing); |
26 | 51 |
27 DISALLOW_COPY_AND_ASSIGN(BrightnessBubble); | 52 DISALLOW_COPY_AND_ASSIGN(BrightnessBubble); |
28 }; | 53 }; |
29 | 54 |
30 } // namespace chromeos | 55 } // namespace chromeos |
31 | 56 |
32 #endif // CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ | 57 #endif // CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ |
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