ui/views/cocoa/cocoa_mouse_capture_delegate.h

   1 // Copyright 2014 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 UI_VIEWS_COCOA_COCOA_MOUSE_CAPTURE_DELEGATE_H_
   6 #define UI_VIEWS_COCOA_COCOA_MOUSE_CAPTURE_DELEGATE_H_
   7
   8 @class NSEvent;
   9
  10 namespace views {
  11
  12 // Delegate for receiving captured events from a CocoaMouseCapture.
  13 class CocoaMouseCaptureDelegate {
  14  public:
  15   // Called when an event has been captured. This may be an event local to the
  16   // application, or a global event (sent to another application). If it is a
  17   // local event, regular event handling will be suppressed.
  18   virtual void PostCapturedEvent(NSEvent* event) = 0;
  19
  20   // Called once. When another window acquires capture, or when the
  21   // CocoaMouseCapture is destroyed.
  22   virtual void OnMouseCaptureLost() = 0;
  23 };
  24
  25 }  // namespace views
  26
  27 #endif  // UI_VIEWS_COCOA_COCOA_MOUSE_CAPTURE_DELEGATE_H_