| // Copyright 2014 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 UI_BASE_X_X11_MOVE_LOOP_DELEGATE_H_ |
| #define UI_BASE_X_X11_MOVE_LOOP_DELEGATE_H_ |
| |
| namespace gfx { |
| class Point; |
| } |
| |
| namespace ui { |
| |
| // Receives mouse events while the X11MoveLoop is tracking a drag. |
| class X11MoveLoopDelegate { |
| public: |
| virtual ~X11MoveLoopDelegate() = default; |
| |
| // Called when we receive a mouse move event. |
| virtual void OnMouseMovement(const gfx::Point& screen_point, |
| int flags, |
| base::TimeTicks event_time) = 0; |
| |
| // Called when the mouse button is released. |
| virtual void OnMouseReleased() = 0; |
| |
| // Called when the user has released the mouse button. The move loop will |
| // release the grab after this has been called. |
| virtual void OnMoveLoopEnded() = 0; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_BASE_X_X11_MOVE_LOOP_DELEGATE_H_ |