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[chromium-blink-merge.git] / chrome / browser / ui / browser_language_state_observer.h
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1 // Copyright 2013 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.
5 #ifndef CHROME_BROWSER_UI_BROWSER_LANGUAGE_STATE_OBSERVER_H_
6 #define CHROME_BROWSER_UI_BROWSER_LANGUAGE_STATE_OBSERVER_H_
8 #include "chrome/browser/tab_contents/language_state_observer.h"
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
13 class Browser;
15 // Implementation of LanguageStateObserver for Browser. This observes the state
16 // if Translate is enabled or not, and updates toolbar in response to changes in
17 // state of translate.
18 class BrowserLanguageStateObserver : public LanguageStateObserver {
19 public:
20 explicit BrowserLanguageStateObserver(Browser* browser);
22 virtual ~BrowserLanguageStateObserver();
24 // Overridden from LanguageState::Observer
25 virtual void OnIsPageTranslatedChanged(content::WebContents* source) OVERRIDE;
26 virtual void OnTranslateEnabledChanged(content::WebContents* source) OVERRIDE;
28 private:
29 Browser* browser_;
31 DISALLOW_COPY_AND_ASSIGN(BrowserLanguageStateObserver);
34 #endif // CHROME_BROWSER_UI_BROWSER_LANGUAGE_STATE_OBSERVER_H_