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 OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H
17#define OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H
18
19#include <mutex>
20#include <memory>
21#include <unordered_map>
22#include "cache_manager.h"
23#include "device_cache.h"
24#include "nocopyable.h"
25
26namespace OHOS {
27namespace HDI {
28namespace Display {
29namespace Composer {
30
31class DeviceCacheManager : public NoCopyable {
32public:
33    DeviceCacheManager();
34    ~DeviceCacheManager();
35    static std::shared_ptr<DeviceCacheManager> GetInstance();
36    int32_t AddDeviceCache(uint32_t deviceId);
37    int32_t RemoveDeviceCache(uint32_t deviceId);
38    int32_t CreateVirtualDisplayCache(uint32_t deviceId);
39    int32_t DestroyVirtualDisplayCache(uint32_t deviceId);
40    int32_t DestroyCaches();
41    DeviceCache* DeviceCacheInstance(uint32_t deviceId) const;
42    LayerCache* LayerCacheInstance(uint32_t deviceId, uint32_t layerId) const;
43    void Dump() const;
44    static std::mutex& GetCacheMgrMutex();
45private:
46    int32_t Init();
47    int32_t AddCacheInternal(uint32_t deviceId, DeviceCache::DeviceType type);
48    std::unique_ptr<CacheManager<uint32_t, DeviceCache>> deviceCaches_;
49};
50} // namespace Composer
51} // namespace Display
52} // namespace HDI
53} // namespace OHOS
54#endif // OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H
55