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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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_UI_VIEWS_AURA_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ | 5 #ifndef CHROME_BROWSER_UI_VIEWS_ASH_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ |
| 6 #define CHROME_BROWSER_UI_VIEWS_AURA_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ | 6 #define CHROME_BROWSER_UI_VIEWS_ASH_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 #include "chrome/browser/chromeos/status/status_area_button.h" | 10 #include "chrome/browser/chromeos/status/status_area_button.h" |
| 11 #include "chrome/browser/ui/browser_list.h" | 11 #include "chrome/browser/ui/browser_list.h" |
| 12 | 12 |
| 13 // A multiple window indicator that shows up on the right side of the status | 13 // A multiple window indicator that shows up on the right side of the status |
| 14 // area when you have more than one tabbed browser window open. | 14 // area when you have more than one tabbed browser window open. |
| 15 class MultipleWindowIndicatorButton : public StatusAreaButton, | 15 class MultipleWindowIndicatorButton : public StatusAreaButton, |
| 16 public BrowserList::Observer { | 16 public BrowserList::Observer { |
| 17 public: | 17 public: |
| 18 explicit MultipleWindowIndicatorButton(StatusAreaButton::Delegate* delegate); | 18 explicit MultipleWindowIndicatorButton(StatusAreaButton::Delegate* delegate); |
| 19 virtual ~MultipleWindowIndicatorButton(); | 19 virtual ~MultipleWindowIndicatorButton(); |
| 20 | 20 |
| 21 private: | 21 private: |
| 22 // BrowserList::Observer implementation: | 22 // BrowserList::Observer implementation: |
| 23 virtual void OnBrowserAdded(const Browser* browser) OVERRIDE; | 23 virtual void OnBrowserAdded(const Browser* browser) OVERRIDE; |
| 24 virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE; | 24 virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE; |
| 25 | 25 |
| 26 // Update this button's visibility based on number of tabbed browser windows. | 26 // Update this button's visibility based on number of tabbed browser windows. |
| 27 // That is, show the button when there are more than one tabbed browser and | 27 // That is, show the button when there are more than one tabbed browser and |
| 28 // hide otherwise. | 28 // hide otherwise. |
| 29 void UpdateVisiblity(); | 29 void UpdateVisiblity(); |
| 30 | 30 |
| 31 DISALLOW_COPY_AND_ASSIGN(MultipleWindowIndicatorButton); | 31 DISALLOW_COPY_AND_ASSIGN(MultipleWindowIndicatorButton); |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 #endif // CHROME_BROWSER_UI_VIEWS_AURA_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ | 34 #endif // CHROME_BROWSER_UI_VIEWS_ASH_MULTIPLE_WINDOW_INDICATOR_BUTTON_H_ |
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