chrome/browser/status_icons/status_icon_observer.h

   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_STATUS_ICONS_STATUS_ICON_OBSERVER_H_
   6 #define CHROME_BROWSER_STATUS_ICONS_STATUS_ICON_OBSERVER_H_
   7
   8 class StatusIconObserver {
   9  public:
  10   // Called when the user clicks on the system tray icon. Clicks that result
  11   // in the context menu being displayed will not be passed to this observer
  12   // (i.e. if there's a context menu set on this status icon, and the user
  13   // right clicks on the icon to display the context menu, OnStatusIconClicked()
  14   // will not be called).
  15   // Note: Chrome OS displays the context menu on left button clicks.
  16   // This will only be fired for this platform if no context menu is present.
  17   virtual void OnStatusIconClicked() = 0;
  18
  19 #if defined(OS_WIN)
  20   // Called when the user clicks on a balloon generated for a system tray icon.
  21   // TODO(dewittj): Implement on platforms other than Windows.  Currently this
  22   // event will never fire on non-Windows platforms.
  23   virtual void OnBalloonClicked() {}
  24 #endif
  25
  26  protected:
  27   virtual ~StatusIconObserver() {}
  28 };
  29
  30 #endif  // CHROME_BROWSER_STATUS_ICONS_STATUS_ICON_OBSERVER_H_