1 /*
2  * Copyright (c) 2021-2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ACE_ENGINE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ACE_ENGINE_H
18 
19 #include <atomic>
20 #include <cstdint>
21 #include <memory>
22 #include <mutex>
23 #include <unordered_map>
24 
25 #include "base/utils/macros.h"
26 #include "base/utils/noncopyable.h"
27 #include "core/common/ace_page.h"
28 #include "core/common/container.h"
29 #include "core/common/frontend.h"
30 #include "core/common/watch_dog.h"
31 #include "core/common/window.h"
32 
33 namespace OHOS::Ace {
34 
35 class AcePage;
36 
37 class ACE_FORCE_EXPORT AceEngine {
38 public:
39     ~AceEngine();
40 
41     void AddContainer(int32_t instanceId, const RefPtr<Container>& container);
42     void RemoveContainer(int32_t instanceId);
43     RefPtr<Container> GetContainer(int32_t instanceId);
44     void RegisterToWatchDog(int32_t instanceId, const RefPtr<TaskExecutor>& taskExecutor, bool useUIAsJSThread = false);
45     void UnRegisterFromWatchDog(int32_t instanceId);
46     void BuriedBomb(int32_t instanceId, uint64_t bombId);
47     void DefusingBomb(int32_t instanceId);
48     static AceEngine& Get();
49     static void InitJsDumpHeadSignal();
50     void DumpJsHeap(bool isPrivate) const;
51     void DestroyHeapProfiler() const;
52     void ForceFullGC() const;
53 
54     void TriggerGarbageCollection();
55     void NotifyContainers(const std::function<void(const RefPtr<Container>&)>& callback);
56     void NotifyContainersOrderly(const std::function<void(const RefPtr<Container>&)>& callback);
57     bool HasContainer(int32_t containerId) const;
58 
59 private:
60     AceEngine();
61 
62     mutable std::shared_mutex mutex_;
63     std::unordered_map<int32_t, RefPtr<Container>> containerMap_;
64     RefPtr<WatchDog> watchDog_;
65     ACE_DISALLOW_COPY_AND_MOVE(AceEngine);
66 };
67 
68 } // namespace OHOS::Ace
69 
70 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ACE_ENGINE_H
71