| // 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 ATHENA_SCREEN_MODAL_WINDOW_CONTROLLER_H_ |
| #define ATHENA_SCREEN_MODAL_WINDOW_CONTROLLER_H_ |
| |
| #include "athena/athena_export.h" |
| #include "ui/aura/window_observer.h" |
| |
| namespace athena { |
| |
| // ModalWindow controller manages the modal window and |
| // its container. This gets created when a modal window is opened |
| // and deleted when all modal windows are deleted. |
| class ATHENA_EXPORT ModalWindowController : public aura::WindowObserver { |
| public: |
| // Returns the ModalWindowController associated with the container. |
| static ModalWindowController* Get(aura::Window* container); |
| |
| explicit ModalWindowController(int container_priority); |
| ~ModalWindowController() override; |
| |
| aura::Window* modal_container() { return modal_container_; } |
| |
| bool dimmed() const { return dimmed_; } |
| |
| private: |
| // aura::WindowObserver: |
| virtual void OnWindowAdded(aura::Window* child) override; |
| virtual void OnWindowVisibilityChanged(aura::Window* window, |
| bool visible) override; |
| virtual void OnWindowBoundsChanged(aura::Window* window, |
| const gfx::Rect& old_bounds, |
| const gfx::Rect& new_bounds) override; |
| virtual void OnWindowDestroyed(aura::Window* window) override; |
| |
| // Tells if the child is not a dimmer window and a child of the modal |
| // container. |
| bool IsChildWindow(aura::Window* child) const; |
| |
| void UpdateDimmerWindowBounds(); |
| |
| // Change dimming state based on the visible window in the container. |
| void UpdateDimming(aura::Window* ignore); |
| |
| // Note: changing true -> false will delete the modal_container_. |
| void SetDimmed(bool dimmed); |
| |
| aura::Window* modal_container_; // not owned. |
| aura::Window* dimmer_window_; // not owned. |
| |
| bool dimmed_; |
| DISALLOW_COPY_AND_ASSIGN(ModalWindowController); |
| }; |
| |
| } // namespace athena |
| |
| #endif // ATHENA_SCREEN_MODAL_WINDOW_CONTROLLER_H_ |