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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_INPUT_METHOD_SCREEN_PROJECTION_CHANGE_MONITOR_H_
#define CHROME_BROWSER_ASH_INPUT_METHOD_SCREEN_PROJECTION_CHANGE_MONITOR_H_
#include "ash/ash_export.h"
#include "ash/public/cpp/cast_config_controller.h"
#include "ash/system/privacy/screen_security_observer.h"
#include "ui/display/display_observer.h"
namespace ash::input_method {
// Monitors changes to the screen projection (casting or mirroring) status.
// Assumes the default state is no casting nor mirroring.
class ASH_EXPORT ScreenProjectionChangeMonitor
: public display::DisplayObserver,
public CastConfigController::Observer,
public ScreenSecurityObserver {
public:
using OnScreenProjectionChangedCallback =
base::RepeatingCallback<void(bool is_projected)>;
explicit ScreenProjectionChangeMonitor(
OnScreenProjectionChangedCallback callback);
~ScreenProjectionChangeMonitor() override;
bool is_mirroring() const;
private:
// display::DisplayObserver:
void OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) override;
// CastConfigController::Observer:
void OnDevicesUpdated(const std::vector<SinkAndRoute>& devices) override;
// ScreenSecurityObserver:
void OnScreenAccessStart(base::OnceClosure stop_callback,
const base::RepeatingClosure& source_callback,
const std::u16string& access_app_name) override;
void OnScreenAccessStop() override;
bool IsProjecting() const;
void UpdateCastingAndMirroringState(bool is_casting, bool is_mirroring);
OnScreenProjectionChangedCallback callback_;
bool is_casting_ = false;
bool is_mirroring_ = false;
};
} // namespace ash::input_method
#endif // CHROME_BROWSER_ASH_INPUT_METHOD_SCREEN_PROJECTION_CHANGE_MONITOR_H_
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