| // 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 "ash/wm/window_resizer.h" |
| #include "base/compiler_specific.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: |
| virtual ~DefaultWindowResizer(); |
| |
| // Creates a new DefaultWindowResizer. The caller takes ownership of the |
| // returned object. Returns NULL if not resizable. |
| static DefaultWindowResizer* Create(aura::Window* window, |
| const gfx::Point& location, |
| int window_component, |
| aura::client::WindowMoveSource source); |
| |
| // Returns true if the drag will result in changing the window in anyway. |
| bool is_resizable() const { return details_.is_resizable; } |
| |
| bool changed_size() const { |
| return !(details_.bounds_change & kBoundsChange_Repositions); |
| } |
| aura::Window* target_window() const { return details_.window; } |
| |
| // WindowResizer: |
| virtual void Drag(const gfx::Point& location, int event_flags) OVERRIDE; |
| virtual void CompleteDrag(int event_flags) OVERRIDE; |
| virtual void RevertDrag() OVERRIDE; |
| virtual aura::Window* GetTarget() OVERRIDE; |
| virtual const gfx::Point& GetInitialLocation() const OVERRIDE; |
| |
| private: |
| explicit DefaultWindowResizer(const Details& details); |
| |
| const Details details_; |
| |
| // Set to true once Drag() is invoked and the bounds of the window change. |
| bool did_move_or_resize_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DefaultWindowResizer); |
| }; |
| |
| } // namespace aura |
| |
| #endif // ASH_WM_DEFAULT_WINDOW_RESIZER_H_ |