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- // Copyright (c) 2012 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_SHELL_OBSERVER_H_
- #define ASH_SHELL_OBSERVER_H_
- #include "ash/ash_export.h"
- #include "ash/login_status.h"
- #include "ash/public/cpp/shelf_types.h"
- namespace aura {
- class Window;
- }
- namespace ash {
- class ASH_EXPORT ShellObserver {
- public:
- // Called when a casting session is started or stopped.
- virtual void OnCastingSessionStartedOrStopped(bool started) {}
- // Invoked after a non-primary root window is created.
- virtual void OnRootWindowAdded(aura::Window* root_window) {}
- // Invoked when a root window is about to be shutdown.
- virtual void OnRootWindowWillShutdown(aura::Window* root_window) {}
- // Invoked when the shelf alignment in |root_window| is changed.
- virtual void OnShelfAlignmentChanged(aura::Window* root_window,
- ShelfAlignment old_alignment) {}
- // Invoked when user work area insets (accessibility panel, docked magnifier,
- // keyboard) in |root_window| changed.
- // This notification is not fired when shelf bounds changed.
- virtual void OnUserWorkAreaInsetsChanged(aura::Window* root_window) {}
- // Invoked when entering or exiting fullscreen mode in |container|.
- // |container| is always the active desk container.
- virtual void OnFullscreenStateChanged(bool is_fullscreen,
- aura::Window* container) {}
- // Invoked when |pinned_window| enter or exit pinned mode.
- virtual void OnPinnedStateChanged(aura::Window* pinned_window) {}
- // Called when dictation is activated.
- virtual void OnDictationStarted() {}
- // Called when dicatation is ended.
- virtual void OnDictationEnded() {}
- // Called at the end of Shell::Init.
- virtual void OnShellInitialized() {}
- // Called at the beginning of ~Shell.
- virtual void OnShellDestroying() {}
- // Called near the end of ~Shell. Shell::Get() still returns the Shell, but
- // most of Shell's state has been deleted.
- virtual void OnShellDestroyed() {}
- protected:
- virtual ~ShellObserver() {}
- };
- } // namespace ash
- #endif // ASH_SHELL_OBSERVER_H_
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