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 #include <X11/Xlib.h>
   9
  10 namespace views {
  11
  12 // Receives mouse events while the X11MoveLoop is tracking a drag.
  13 class X11MoveLoopDelegate {
  14  public:
  15   // Called when we receive a motion event.
  16   virtual void OnMouseMovement(XMotionEvent* event) = 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_