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 HGM_CONFIG_CALLBACK_MANAGER_H
17 #define HGM_CONFIG_CALLBACK_MANAGER_H
18 
19 #include <list>
20 #include <mutex>
21 #include <unordered_map>
22 
23 #include "ipc_callbacks/rs_ihgm_config_change_callback.h"
24 #include "refbase.h"
25 
26 namespace OHOS::Rosen {
27 class HgmConfigCallbackManager : public RefBase {
28 public:
29     static sptr<HgmConfigCallbackManager> GetInstance() noexcept;
30 
31     // non-copyable
32     HgmConfigCallbackManager(const HgmConfigCallbackManager &) = delete;
33     HgmConfigCallbackManager &operator=(const HgmConfigCallbackManager &) = delete;
34 
35     void RegisterHgmConfigChangeCallback(pid_t pid, const sptr<RSIHgmConfigChangeCallback>& callback);
36     void RegisterHgmRefreshRateModeChangeCallback(pid_t pid, const sptr<RSIHgmConfigChangeCallback>& callback);
37     void RegisterHgmRefreshRateUpdateCallback(pid_t pid, const sptr<RSIHgmConfigChangeCallback>& callback);
38     void SyncHgmConfigChangeCallback();
39     void SyncRefreshRateModeChangeCallback(int32_t refreshRateMode);
40     void SyncRefreshRateUpdateCallback(int32_t refreshRate);
41     void UnRegisterHgmConfigChangeCallback(pid_t pid);
42 
43 private:
44     HgmConfigCallbackManager();
45     ~HgmConfigCallbackManager() noexcept override;
46     std::mutex mtx_;
47     static std::once_flag createFlag_;
48     static sptr<HgmConfigCallbackManager> instance_;
49     std::unordered_map<pid_t, sptr<RSIHgmConfigChangeCallback>> animDynamicCfgCallbacks_;
50     std::unordered_map<pid_t, sptr<RSIHgmConfigChangeCallback>> refreshRateModeCallbacks_;
51     std::unordered_map<pid_t, sptr<RSIHgmConfigChangeCallback>> refreshRateUpdateCallbacks_;
52 };
53 } // namespace OHOS::Rosen
54 #endif // HGM_CONFIG_CALLBACK_MANAGER_H