| // Copyright 2013 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_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_ |
| #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace aura { |
| class RootWindow; |
| class Window; |
| } |
| |
| namespace ui { |
| class Layer; |
| } |
| |
| namespace views { |
| class Widget; |
| } |
| |
| namespace ash { |
| |
| // Manages a window in the overview mode. This class transitions the window |
| // to the best fit within the available overview rectangle, copying it if the |
| // window is sent to another display and restores the window state on |
| // deletion. |
| class WindowSelectorWindow { |
| public: |
| explicit WindowSelectorWindow(aura::Window* window); |
| virtual ~WindowSelectorWindow(); |
| |
| aura::Window* window() { return window_; } |
| const aura::Window* window() const { return window_; } |
| |
| // Returns true if this window selector window contains the |target|. This is |
| // used to determine if an event targetted this window. |
| bool Contains(const aura::Window* target) const; |
| |
| // Restores this window on exit rather than returning it to a minimized state |
| // if it was minimized on entering overview mode. |
| void RestoreWindowOnExit(); |
| |
| // Informs the WindowSelectorWindow that the window being watched was |
| // destroyed. This resets the internal window pointer to avoid calling |
| // anything on the window at destruction time. |
| void OnWindowDestroyed(); |
| |
| // Applies a transform to the window to fit within |target_bounds| while |
| // maintaining its aspect ratio. |
| void TransformToFitBounds(aura::RootWindow* root_window, |
| const gfx::Rect& target_bounds); |
| |
| const gfx::Rect& bounds() { return fit_bounds_; } |
| |
| private: |
| // A weak pointer to the real window in the overview. |
| aura::Window* window_; |
| |
| // A copy of the window used to transition the window to another root. |
| views::Widget* window_copy_; |
| |
| // A weak pointer to a deep copy of the window's layers. |
| ui::Layer* layer_; |
| |
| // If true, the window was minimized and should be restored if the window |
| // was not selected. |
| bool minimized_; |
| |
| // The original transform of the window before entering overview mode. |
| gfx::Transform original_transform_; |
| |
| // The bounds this window is fit to. |
| gfx::Rect fit_bounds_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WindowSelectorWindow); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_ |