| // Copyright 2016 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_SHELF_SHELF_WINDOW_TARGETER_H_ |
| #define ASH_SHELF_SHELF_WINDOW_TARGETER_H_ |
| |
| #include "ash/shelf/shelf_observer.h" |
| #include "base/macros.h" |
| #include "ui/aura/window_observer.h" |
| #include "ui/wm/core/easy_resize_window_targeter.h" |
| |
| namespace ash { |
| |
| class Shelf; |
| |
| // ShelfWindowTargeter makes it easier to resize windows with the mouse when the |
| // window-edge slightly overlaps with the shelf edge. The targeter also makes it |
| // easier to drag the shelf out with touch while it is hidden. |
| class ShelfWindowTargeter : public ::wm::EasyResizeWindowTargeter, |
| public aura::WindowObserver, |
| public ShelfObserver { |
| public: |
| ShelfWindowTargeter(aura::Window* container, Shelf* shelf); |
| ~ShelfWindowTargeter() override; |
| |
| private: |
| // ::wm::EasyResizeWindowTargeter: |
| bool ShouldUseExtendedBounds(const aura::Window* window) const override; |
| |
| // aura::WindowObserver: |
| void OnWindowDestroying(aura::Window* window) override; |
| |
| // ShelfObserver: |
| void WillChangeVisibilityState(ShelfVisibilityState new_state) override; |
| |
| Shelf* shelf_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ShelfWindowTargeter); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELF_SHELF_WINDOW_TARGETER_H_ |