| // 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_LOCK_LAYOUT_MANAGER_H_ |
| #define ASH_WM_LOCK_LAYOUT_MANAGER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/shell_delegate.h" |
| #include "ash/wm/wm_types.h" |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "ui/aura/layout_manager.h" |
| #include "ui/aura/window_observer.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/keyboard/keyboard_controller.h" |
| #include "ui/keyboard/keyboard_controller_observer.h" |
| |
| namespace aura { |
| class RootWindow; |
| class Window; |
| } |
| |
| namespace ui { |
| class Layer; |
| } |
| |
| namespace ash { |
| namespace wm { |
| class WindowState; |
| class WMEvent; |
| } |
| |
| // LockLayoutManager is used for the windows created in LockScreenContainer. |
| // For Chrome OS this includes out-of-box/login/lock/multi-profile login use |
| // cases. LockScreenContainer does not use default work area definition. |
| // By default work area is defined as display area minus shelf, docked windows |
| // and minus virtual keyboard bounds. |
| // For windows in LockScreenContainer work area is display area minus virtual |
| // keyboard bounds (only if keyboard overscroll is disabled). If keyboard |
| // overscroll is enabled then work area always equals to display area size since |
| // virtual keyboard changes inner workspace of each WebContents. |
| // For all windows in LockScreenContainer default wm::WindowState is replaced |
| // with LockWindowState. |
| class ASH_EXPORT LockLayoutManager |
| : public aura::LayoutManager, |
| public aura::WindowObserver, |
| public VirtualKeyboardStateObserver, |
| public keyboard::KeyboardControllerObserver { |
| public: |
| explicit LockLayoutManager(aura::Window* window); |
| virtual ~LockLayoutManager(); |
| |
| // Overridden from aura::LayoutManager: |
| virtual void OnWindowResized() OVERRIDE; |
| virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE; |
| virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE; |
| virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE; |
| virtual void OnChildWindowVisibilityChanged(aura::Window* child, |
| bool visibile) OVERRIDE; |
| virtual void SetChildBounds(aura::Window* child, |
| const gfx::Rect& requested_bounds) OVERRIDE; |
| |
| // Overriden from aura::WindowObserver: |
| virtual void OnWindowHierarchyChanged( |
| const WindowObserver::HierarchyChangeParams& params) OVERRIDE; |
| virtual void OnWindowPropertyChanged(aura::Window* window, |
| const void* key, |
| intptr_t old) OVERRIDE; |
| virtual void OnWindowStackingChanged(aura::Window* window) OVERRIDE; |
| virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
| virtual void OnWindowBoundsChanged(aura::Window* window, |
| const gfx::Rect& old_bounds, |
| const gfx::Rect& new_bounds) OVERRIDE; |
| |
| // VirtualKeyboardStateObserver overrides: |
| virtual void OnVirtualKeyboardStateChanged(bool activated) OVERRIDE; |
| |
| // keyboard::KeyboardControllerObserver overrides: |
| virtual void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) OVERRIDE; |
| |
| private: |
| // Adjusts the bounds of all managed windows when the display area changes. |
| // This happens when the display size, work area insets has changed. |
| void AdjustWindowsForWorkAreaChange(const wm::WMEvent* event); |
| |
| aura::Window* window_; |
| aura::Window* root_window_; |
| |
| // True is subscribed as keyboard controller observer. |
| bool is_observing_keyboard_; |
| |
| // The bounds of the keyboard. |
| gfx::Rect keyboard_bounds_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LockLayoutManager); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_LOCK_LAYOUT_MANAGER_H_ |