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 <AudioPolicyManagerInterface.h> 20 #include <VolumeCurve.h> 21 #include <system/audio.h> 22 #include <utils/RefBase.h> 23 #include <HandleGenerator.h> 24 #include <string> 25 #include <vector> 26 #include <map> 27 #include <utils/Errors.h> 28 29 namespace android { 30 31 class VolumeGroup : public virtual RefBase, private HandleGenerator<uint32_t> 32 { 33 public: 34 VolumeGroup(const std::string &name, int indexMin, int indexMax); 35 std::string getName() const { return mName; } 36 volume_group_t getId() const { return mId; } 37 38 void add(const sp<VolumeCurve> &curve); 39 40 VolumeCurves *getVolumeCurves() { return &mGroupVolumeCurves; } 41 42 void addSupportedAttributes(const audio_attributes_t &attr); 43 AttributesVector getSupportedAttributes() const { return mGroupVolumeCurves.getAttributes(); } 44 45 void addSupportedStream(audio_stream_type_t stream); 46 StreamTypeVector getStreamTypes() const { return mGroupVolumeCurves.getStreamTypes(); } 47 48 void dump(String8 *dst, int spaces = 0) const; 49 50 private: 51 const std::string mName; 52 const volume_group_t mId; 53 VolumeCurves mGroupVolumeCurves; 54 }; 55 56 class VolumeGroupMap : public std::map<volume_group_t, sp<VolumeGroup> > 57 { 58 public: 59 void dump(String8 *dst, int spaces = 0) const; 60 }; 61 62 } // namespace android 63
