blob: da53428ccba14f155988e533bdb7824cdc305563 [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/system/user/login_status.h"
namespace aura {
class Window;
namespace ash {
class ASH_EXPORT ShellObserver {
// Invoked after the screen's work area insets changes.
virtual void OnDisplayWorkAreaInsetsChanged() {}
// Invoked when the user logs in.
virtual void OnLoginStateChanged(user::LoginStatus status) {}
// Invoked when the application is exiting.
virtual void OnAppTerminating() {}
// Invoked when the screen is locked (after the lock window is visible) or
// unlocked.
virtual void OnLockStateChanged(bool locked) {}
// 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 after the shelf has been created for |root_window|.
virtual void OnShelfCreatedForRootWindow(aura::Window* root_window) {}
// Invoked when the shelf alignment in |root_window| is changed.
virtual void OnShelfAlignmentChanged(aura::Window* root_window) {}
// Invoked when the projection touch HUD is toggled.
virtual void OnTouchHudProjectionToggled(bool enabled) {}
// Invoked when entering or exiting fullscreen mode in |root_window|.
virtual void OnFullscreenStateChanged(bool is_fullscreen,
aura::Window* root_window) {}
// Called when the overview mode is about to be started (before the windows
// get re-arranged).
virtual void OnOverviewModeStarting() {}
// Called after overview mode has ended.
virtual void OnOverviewModeEnded() {}
// Called when the always maximize mode has started. Windows might still
// animate though.
virtual void OnMaximizeModeStarted() {}
// Called when the always maximize mode has ended. Windows may still be
// animating but have been restored.
virtual void OnMaximizeModeEnded() {}
// Called at the end of Shell::Init.
virtual void OnShellInitialized() {}
virtual ~ShellObserver() {}
} // namespace ash