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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MEDIA_EFFECTS_TEST_FAKE_AUDIO_SYSTEM_INFO_H_
#define COMPONENTS_MEDIA_EFFECTS_TEST_FAKE_AUDIO_SYSTEM_INFO_H_
#include <string>
#include <utility>
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "services/audio/public/cpp/fake_system_info.h"
#include "services/audio/public/mojom/system_info.mojom.h"
namespace media_effects {
class FakeAudioSystemInfo : public audio::FakeSystemInfo {
public:
FakeAudioSystemInfo();
FakeAudioSystemInfo(const FakeAudioSystemInfo&) = delete;
FakeAudioSystemInfo& operator=(const FakeAudioSystemInfo&) = delete;
~FakeAudioSystemInfo() override;
void Bind(mojo::PendingReceiver<audio::mojom::SystemInfo> receiver);
// Simulate connecting and disconnecting a mic device with the given
// `descriptor`.
void AddFakeInputDevice(const media::AudioDeviceDescription& descriptor);
void RemoveFakeInputDevice(const std::string& device_id);
// `callback` will be triggered after the system info replies back to its
// client in GetInputDeviceDescriptions(). Useful as a stopping point for a
// base::RunLoop.
void SetOnRepliedWithInputDeviceDescriptionsCallback(
base::OnceClosure callback) {
on_replied_with_input_device_descriptions_ = std::move(callback);
}
// `callback` will be triggered when this system info receives a
// GetInputStreamParameters call.
void SetOnGetInputStreamParametersCallback(
base::RepeatingCallback<void(const std::string&)> callback) {
on_get_input_stream_params_callback_ = std::move(callback);
}
protected:
// audio::mojom::SystemInfo implementation.
void GetInputStreamParameters(
const std::string& device_id,
GetInputStreamParametersCallback callback) override;
void HasInputDevices(HasInputDevicesCallback callback) override;
void GetInputDeviceDescriptions(
GetInputDeviceDescriptionsCallback callback) override;
private:
void NotifyDevicesChanged();
static media::AudioParameters GetAudioParameters();
mojo::ReceiverSet<audio::mojom::SystemInfo> receivers_;
base::flat_map</*device_id=*/std::string, media::AudioDeviceDescription>
input_device_descriptions_;
base::OnceClosure on_replied_with_input_device_descriptions_ =
base::DoNothing();
base::RepeatingCallback<void(const std::string&)>
on_get_input_stream_params_callback_ = base::DoNothing();
};
} // namespace media_effects
#endif // COMPONENTS_MEDIA_EFFECTS_TEST_FAKE_AUDIO_SYSTEM_INFO_H_
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