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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <PolicyAudioPort.h>
#include <AudioPatch.h>
#include <IOProfile.h>
#include <DeviceDescriptor.h>
#include <AudioInputDescriptor.h>
#include <AudioOutputDescriptor.h>
#include <AudioPolicyMix.h>
#include <SoundTriggerSession.h>
namespace android {
/**
* This interface is an observer that the manager shall implement to allows e.g. the engine
* to access to policy pillars elements (like output / input descritors collections,
* HwModule collections, AudioMix, ...
*/
class AudioPolicyManagerObserver
{
public:
virtual const AudioPatchCollection &getAudioPatches() const = 0;
virtual const SoundTriggerSessionCollection &getSoundTriggerSessionCollection() const = 0;
virtual const AudioPolicyMixCollection &getAudioPolicyMixCollection() const = 0;
virtual const SwAudioOutputCollection &getOutputs() const = 0;
virtual const AudioInputCollection &getInputs() const = 0;
virtual const DeviceVector getAvailableOutputDevices() const = 0;
virtual const DeviceVector getAvailableInputDevices() const = 0;
virtual const sp<DeviceDescriptor> &getDefaultOutputDevice() const = 0;
protected:
virtual ~AudioPolicyManagerObserver() {}
};
} // namespace android