1 /*
2  * Copyright (c) 2022-2023 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 ST_ACCESSIBILITY_CONFIG_LISTENER_H
17 #define ST_ACCESSIBILITY_CONFIG_LISTENER_H
18 
19 #include <vector>
20 
21 #include "accessibility_config.h"
22 #include "iaudio_accessibility_config_observer.h"
23 
24 namespace OHOS {
25 namespace AudioStandard {
26 class AccessibilityConfigListener : public OHOS::AccessibilityConfig::AccessibilityConfigObserver,
27     public std::enable_shared_from_this<AccessibilityConfigListener> {
28 public:
29     AccessibilityConfigListener(IAudioAccessibilityConfigObserver &observer);
30     ~AccessibilityConfigListener();
31 
32     void OnConfigChanged(const AccessibilityConfig::CONFIG_ID configId,
33         const AccessibilityConfig::ConfigValue &value) override;
34 
35     void SubscribeObserver();
36     void UnsubscribeObserver();
37 
38 private:
39     IAudioAccessibilityConfigObserver &audioAccessibilityConfigObserver_;
40 };
41 } // namespace AudioStandard
42 } // namespace OHOS
43 
44 #endif // ST_ACCESSIBILITY_CONFIG_LISTENER_H