| // 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 ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_ |
| #define ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_ |
| |
| #include "ash/wm/window_state_observer.h" |
| #include "ui/aura/window_observer.h" |
| #include "ui/aura/window_targeter.h" |
| #include "ui/gfx/geometry/insets.h" |
| |
| namespace ash { |
| |
| class ImmersiveFullscreenController; |
| |
| // To allow easy resize, the resize handles should slightly overlap the content |
| // area of non-maximized and non-fullscreen windows. For immersive fullscreen |
| // windows, this targeter makes sure that touch-events towards the top of the |
| // screen are targeted to the window itself (instead of a child window that may |
| // otherwise have been targeted) when the top-of-window views are not revealed. |
| class ResizeHandleWindowTargeter : public wm::WindowStateObserver, |
| public aura::WindowObserver, |
| public aura::WindowTargeter { |
| public: |
| ResizeHandleWindowTargeter(aura::Window* window, |
| ImmersiveFullscreenController* immersive); |
| virtual ~ResizeHandleWindowTargeter(); |
| |
| private: |
| // wm::WindowStateObserver: |
| virtual void OnPostWindowStateTypeChange( |
| wm::WindowState* window_state, |
| wm::WindowStateType old_type) OVERRIDE; |
| // aura::WindowObserver: |
| virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
| |
| // aura::WindowTargeter: |
| virtual ui::EventTarget* FindTargetForLocatedEvent( |
| ui::EventTarget* root, |
| ui::LocatedEvent* event) OVERRIDE; |
| virtual bool SubtreeShouldBeExploredForEvent( |
| ui::EventTarget* target, |
| const ui::LocatedEvent& event) OVERRIDE; |
| |
| // The targeter does not take ownership of |window_| or |
| // |immersive_controller_|. |
| aura::Window* window_; |
| gfx::Insets frame_border_inset_; |
| ImmersiveFullscreenController* immersive_controller_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ResizeHandleWindowTargeter); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_ |