| // Copyright (c) 2012 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 ASH_WM_DEFAULT_WINDOW_RESIZER_H_ |
| #define ASH_WM_DEFAULT_WINDOW_RESIZER_H_ |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "ash/wm/window_resizer.h" |
| |
| namespace ash { |
| |
| // WindowResizer is used by ToplevelWindowEventFilter to handle dragging, moving |
| // or resizing a window. All coordinates passed to this are in the parent |
| // windows coordiantes. |
| class ASH_EXPORT DefaultWindowResizer : public WindowResizer { |
| public: |
| ~DefaultWindowResizer() override; |
| |
| // Creates a new DefaultWindowResizer. |
| static std::unique_ptr<DefaultWindowResizer> Create( |
| WindowState* window_state); |
| |
| // WindowResizer: |
| void Drag(const gfx::PointF& location, int event_flags) override; |
| void CompleteDrag() override; |
| void RevertDrag() override; |
| void FlingOrSwipe(ui::GestureEvent* event) override; |
| |
| private: |
| explicit DefaultWindowResizer(WindowState* window_state); |
| DefaultWindowResizer(const DefaultWindowResizer&) = delete; |
| DefaultWindowResizer& operator=(const DefaultWindowResizer&) = delete; |
| |
| // Set to true once Drag() is invoked and the bounds of the window change. |
| bool did_move_or_resize_ = false; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_DEFAULT_WINDOW_RESIZER_H_ |