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- // Copyright 2017 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_LOCK_SCREEN_ACTION_LOCK_SCREEN_ACTION_BACKGROUND_CONTROLLER_IMPL_H_
- #define ASH_LOCK_SCREEN_ACTION_LOCK_SCREEN_ACTION_BACKGROUND_CONTROLLER_IMPL_H_
- #include "ash/ash_export.h"
- #include "ash/lock_screen_action/lock_screen_action_background_controller.h"
- #include "base/memory/weak_ptr.h"
- #include "base/scoped_observation.h"
- #include "ui/views/widget/widget.h"
- #include "ui/views/widget/widget_observer.h"
- namespace aura {
- class Window;
- }
- namespace ash {
- class LockScreenActionBackgroundView;
- // The LockScreenActionBackgroundController implementation that shows lock
- // screen action background as a non activable window that is shown/hidden with
- // an ink drop animation that covers the whole window contents in black from the
- // top right window corner.
- class ASH_EXPORT LockScreenActionBackgroundControllerImpl
- : public LockScreenActionBackgroundController,
- public views::WidgetObserver {
- public:
- LockScreenActionBackgroundControllerImpl();
- LockScreenActionBackgroundControllerImpl(
- const LockScreenActionBackgroundControllerImpl&) = delete;
- LockScreenActionBackgroundControllerImpl& operator=(
- const LockScreenActionBackgroundControllerImpl&) = delete;
- ~LockScreenActionBackgroundControllerImpl() override;
- // LockScreenActionBackgroundController:
- bool IsBackgroundWindow(aura::Window* window) const override;
- bool ShowBackground() override;
- bool HideBackgroundImmediately() override;
- bool HideBackground() override;
- // views::WidgetObserver:
- void OnWidgetDestroyed(views::Widget* widget) override;
- private:
- friend class LockScreenActionBackgroundControllerImplTestApi;
- // Creates the widget to be used as the background widget.
- views::Widget* CreateWidget();
- // Called when the background widget view is fully shown, i.e. when the ink
- // drop animation associated with showing the widget ends.
- void OnBackgroundShown();
- // Called when the background widget view is fully hidden, i.e. when the ink
- // drop animation associated with hiding the widget ends.
- void OnBackgroundHidden();
- // The background widget used (and created) by the controller to display the
- // lock screen action background.
- // The widget is owned by its native (aura) window - it will be deleted when
- // the window gets closed/destroyed.
- views::Widget* background_widget_ = nullptr;
- LockScreenActionBackgroundView* contents_view_ = nullptr;
- base::ScopedObservation<views::Widget, views::WidgetObserver>
- widget_observation_{this};
- base::WeakPtrFactory<LockScreenActionBackgroundControllerImpl>
- weak_ptr_factory_{this};
- };
- } // namespace ash
- #endif // ASH_LOCK_SCREEN_ACTION_LOCK_SCREEN_ACTION_BACKGROUND_CONTROLLER_IMPL_H_
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