1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HDI_DEVICE_INTELL_VOICE_TRIGGER_MANAGER_IMPL_H
17 #define HDI_DEVICE_INTELL_VOICE_TRIGGER_MANAGER_IMPL_H
18 
19 #include <mutex>
20 #include <unordered_map>
21 
22 #include "v1_1/iintell_voice_trigger_manager.h"
23 #include "i_trigger.h"
24 
25 namespace OHOS {
26 namespace IntelligentVoice {
27 namespace Trigger {
28 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IntellVoiceTriggerAdapterDsecriptor;
29 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IIntellVoiceTriggerAdapter;
30 
31 using GetTriggerManagerHalInstFunc = ITriggerManager *(*)();
32 
33 struct IntellVoiceTriggerManagerPriv {
34     void *handle { nullptr };
35     GetTriggerManagerHalInstFunc getTriggerManagerHalInst { nullptr };
36 };
37 
38 class IntellVoiceTriggerManagerImpl :
39     public OHOS::HDI::IntelligentVoice::Trigger::V1_1::IIntellVoiceTriggerManager {
40 public:
41     IntellVoiceTriggerManagerImpl();
42     ~IntellVoiceTriggerManagerImpl();
43 
44     int32_t LoadAdapter(const IntellVoiceTriggerAdapterDsecriptor &descriptor,
45         sptr<OHOS::HDI::IntelligentVoice::Trigger::V1_0::IIntellVoiceTriggerAdapter> &adapter) override;
46     int32_t LoadAdapter_V1_1(const IntellVoiceTriggerAdapterDsecriptor &descriptor,
47         sptr<OHOS::HDI::IntelligentVoice::Trigger::V1_1::IIntellVoiceTriggerAdapter> &adapter) override;
48 
49     int32_t UnloadAdapter(const IntellVoiceTriggerAdapterDsecriptor &descriptor) override;
50 
51 private:
52     template<typename T>
53     int32_t LoadIntellVoiceTriggerAdapter(const IntellVoiceTriggerAdapterDsecriptor &descriptor, sptr<T> &adapter);
54     int32_t LoadVendorLib();
55     void UnloadVendorLib();
56 
57 private:
58     std::mutex mutex_ {};
59     IntellVoiceTriggerManagerPriv triggerManagerPriv_;
60     ITriggerManager *inst_ = nullptr;
61     std::unordered_map<std::string, sptr<IIntellVoiceTriggerAdapter>> halAdapters_;
62 };
63 }
64 }
65 }
66 #endif // HDI_DEVICE_INTELL_VOICE_TRIGGER_MANAGER_IMPL_H