1/*
2 * Copyright (C) 2016 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#ifndef android_hardware_audio_V2_0_EffectMap_H_
18#define android_hardware_audio_V2_0_EffectMap_H_
19
20#include <mutex>
21
22#include <hardware/audio_effect.h>
23#include <utils/KeyedVector.h>
24#include <utils/Singleton.h>
25
26namespace android {
27
28// This class needs to be in 'android' ns because Singleton macros require that.
29class EffectMap : public Singleton<EffectMap> {
30  public:
31    static const uint64_t INVALID_ID;
32
33    uint64_t add(effect_handle_t handle);
34    effect_handle_t get(const uint64_t& id);
35    void remove(effect_handle_t handle);
36
37  private:
38    static uint64_t makeUniqueId();
39
40    std::mutex mLock;
41    KeyedVector<uint64_t, effect_handle_t> mEffects;
42};
43
44}  // namespace android
45
46#endif  // android_hardware_audio_V2_0_EffectMap_H_
47