| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_UI_ZOOM_ZOOM_OBSERVER_H_ |
| #define CHROME_BROWSER_UI_ZOOM_ZOOM_OBSERVER_H_ |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| // Interface for objects that wish to be notified of changes in ZoomController. |
| class ZoomObserver { |
| public: |
| // Notification that the zoom percentage has changed. |
| virtual void OnZoomChanged(content::WebContents* source, |
| bool can_show_bubble) = 0; |
| |
| protected: |
| virtual ~ZoomObserver() {} |
| }; |
| |
| #endif // CHROME_BROWSER_UI_ZOOM_ZOOM_OBSERVER_H_ |