ui/views/widget/desktop_aura/x11_move_loop_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_WIDGET_DESKTOP_AURA_X11_MOVE_LOOP_DELEGATE_H_
   6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_MOVE_LOOP_DELEGATE_H_
   7
   8 namespace views {
   9
  10 // Receives mouse events while the X11MoveLoop is tracking a drag.
  11 class X11MoveLoopDelegate {
  12  public:
  13   // Called when we receive a mouse move event.
  14   virtual void OnMouseMovement(const gfx::Point& screen_point,
  15                                int flags,
  16                                base::TimeDelta event_time) = 0;
  17
  18   // Called when the mouse button is released.
  19   virtual void OnMouseReleased() = 0;
  20
  21   // Called when the user has released the mouse button. The move loop will
  22   // release the grab after this has been called.
  23   virtual void OnMoveLoopEnded() = 0;
  24 };
  25
  26 }  // namespace views
  27
  28 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_MOVE_LOOP_DELEGATE_H_