1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <VolumeCurve.h> 20 #include <system/audio.h> 21 #include <utils/RefBase.h> 22 #include <HandleGenerator.h> 23 #include <string> 24 #include <vector> 25 #include <map> 26 #include <utils/Errors.h> 27 28 namespace android { 29 30 class VolumeGroup : public virtual RefBase, private HandleGenerator<uint32_t> 31 { 32 public: 33 VolumeGroup(const std::string &name, int indexMin, int indexMax); getName()34 std::string getName() const { return mName; } getId()35 volume_group_t getId() const { return mId; } 36 37 void add(const sp<VolumeCurve> &curve); 38 getVolumeCurves()39 VolumeCurves *getVolumeCurves() { return &mGroupVolumeCurves; } 40 41 void addSupportedAttributes(const audio_attributes_t &attr); getSupportedAttributes()42 AttributesVector getSupportedAttributes() const { return mGroupVolumeCurves.getAttributes(); } 43 44 void addSupportedStream(audio_stream_type_t stream); getStreamTypes()45 StreamTypeVector getStreamTypes() const { return mGroupVolumeCurves.getStreamTypes(); } 46 47 void dump(String8 *dst, int spaces = 0) const; 48 49 private: 50 const std::string mName; 51 const volume_group_t mId; 52 VolumeCurves mGroupVolumeCurves; 53 }; 54 55 class VolumeGroupMap : public std::map<volume_group_t, sp<VolumeGroup> > 56 { 57 public: 58 void dump(String8 *dst, int spaces = 0) const; 59 }; 60 61 } // namespace android 62