blob: 7d839b0df0083559a0d5475dc71d85b6f8bd3c06 [file] [log] [blame]
// 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.
#include "ash/ash_export.h"
#include "ash/common/shell_observer.h"
#include "base/macros.h"
#include "ui/display/chromeos/display_configurator.h"
namespace chromeos {
class PowerManagerClient;
namespace ash {
class ASH_EXPORT ProjectingObserver : public ui::DisplayConfigurator::Observer,
public ShellObserver {
// |power_manager_client| must outlive this object.
explicit ProjectingObserver(
chromeos::PowerManagerClient* power_manager_client);
~ProjectingObserver() override;
// DisplayConfigurator::Observer implementation:
void OnDisplayModeChanged(
const ui::DisplayConfigurator::DisplayStateList& outputs) override;
// ash::ShellObserver implementation:
void OnCastingSessionStartedOrStopped(bool started) override;
// Sends the current projecting state to power manager.
void SetIsProjecting();
// True if at least one output is internal. This value is updated when
// |OnDisplayModeChanged| is called.
bool has_internal_output_;
// Keeps track of the number of connected outputs.
int output_count_;
// Number of outstanding casting sessions.
int casting_session_count_;
// Weak pointer to the DBusClient PowerManagerClient;
chromeos::PowerManagerClient* power_manager_client_;
} // namespace ash