blob: 11d56cb910048caa35e0fa1829843c384f2a020e [file] [log] [blame]
// 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.
#include "ash/ash_export.h"
#include "ash/login_status.h"
namespace aura {
class Window;
class PrefService;
namespace ash {
class ASH_EXPORT ShellObserver {
// 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 the shelf alignment in |root_window| is changed.
virtual void OnShelfAlignmentChanged(aura::Window* root_window) {}
// Invoked when the shelf auto-hide behavior in |root_window| is changed.
virtual void OnShelfAutoHideBehaviorChanged(aura::Window* root_window) {}
// Invoked when entering or exiting fullscreen mode in |root_window|.
virtual void OnFullscreenStateChanged(bool is_fullscreen,
aura::Window* root_window) {}
// Invoked when |pinned_window| enter or exit pinned mode.
virtual void OnPinnedStateChanged(aura::Window* pinned_window) {}
// Called when the split view mode is about to be started before the window
// gets snapped and activated).
virtual void OnSplitViewModeStarting() {}
// Called when the split view mode has been started.
virtual void OnSplitViewModeStarted() {}
// Called after split view mode has ended.
virtual void OnSplitViewModeEnded() {}
// 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() {}
// Called when local state prefs are available. This occurs an arbitrary
// amount of time after Shell initialization. Only called once.
virtual void OnLocalStatePrefServiceInitialized(PrefService* pref_service) {}
virtual ~ShellObserver() {}
} // namespace ash