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1 /*
2  * Copyright (c) 2021 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_ABILITY_RUNTIME_MISSION_DATA_STORAGE_H
17 #define OHOS_ABILITY_RUNTIME_MISSION_DATA_STORAGE_H
18 
19 #include <list>
20 #include <mutex>
21 #include <queue>
22 
23 #include "event_handler.h"
24 #include "inner_mission_info.h"
25 #include "mission_snapshot.h"
26 
27 namespace OHOS {
28 namespace AAFwk {
29 constexpr const char* TASK_DATA_FILE_BASE_PATH = "/data/service/el1/public/AbilityManagerService";
30 constexpr const char* MISSION_DATA_FILE_PATH = "MissionInfo";
31 constexpr const char* MISSION_JSON_FILE_PREFIX = "mission";
32 constexpr const char* LOW_RESOLUTION_FLAG = "little";
33 constexpr const char* JSON_FILE_SUFFIX = ".json";
34 constexpr const char* JPEG_FILE_SUFFIX = ".jpg";
35 constexpr const char* FILE_SEPARATOR = "/";
36 constexpr const char* UNDERLINE_SEPARATOR = "_";
37 const int32_t SCALE = 2;
38 
39 class MissionDataStorage : public std::enable_shared_from_this<MissionDataStorage> {
40 public:
41     MissionDataStorage() = default;
42     MissionDataStorage(int userId);
43     virtual ~MissionDataStorage();
44 
45     void SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> &handler);
46 
47     /**
48      * @brief GeT all mission info.
49      * @return Returns true if this function is successfully called; returns false otherwise.
50      */
51     bool LoadAllMissionInfo(std::list<InnerMissionInfo> &missionInfoList);
52 
53     /**
54      * @brief Save the mission data.
55      * @param missionInfo Indicates the missionInfo object to be save.
56      */
57     void SaveMissionInfo(const InnerMissionInfo &missionInfo);
58 
59     /**
60      * @brief Delete the bundle data corresponding to the mission Id.
61      * @param missionId Indicates this mission id.
62      */
63     void DeleteMissionInfo(int missionId);
64 
65     /**
66      * @brief Save mission snapshot
67      * @param missionId Indicates this mission id.
68      * @param missionSnapshot the mission snapshot to save
69      */
70     void SaveMissionSnapshot(int32_t missionId, const MissionSnapshot& missionSnapshot);
71 
72     /**
73      * @brief Delete mission snapshot
74      * @param missionId Indicates this mission id.
75      */
76     void DeleteMissionSnapshot(int32_t missionId);
77 
78     /**
79      * @brief Get the Mission Snapshot object
80      * @param missionId id of mission.
81      * @param missionSnapshot snapshot of target mission id.
82      * @param isLowResolution low resolution.
83      * @return Returns true if this function is successfully called; returns false otherwise.
84      */
85     bool GetMissionSnapshot(int32_t missionId, MissionSnapshot& missionSnapshot, bool isLowResolution);
86 
87 #ifdef SUPPORT_GRAPHICS
88     /**
89      * Get low resoultion pixelmap of source.
90      *
91      * @param source source pixelmap.
92      * @return return reduced pixel map.
93      */
94     static std::shared_ptr<OHOS::Media::PixelMap> GetReducedPixelMap(
95         const std::shared_ptr<OHOS::Media::PixelMap>& source);
96 
97     /**
98      * @brief Get the Snapshot object
99      * @param missionId Indicates this mission id.
100      * @return Returns PixelMap of snapshot.
101      */
102     std::shared_ptr<Media::PixelMap> GetSnapshot(int missionId, bool isLowResolution = false) const;
103 
104     std::unique_ptr<Media::PixelMap> GetPixelMap(int missionId, bool isLowResolution) const;
105 #endif
106 
107 private:
108     std::string GetMissionDataDirPath() const;
109 
110     std::string GetMissionDataFilePath(int missionId);
111 
112     std::string GetMissionSnapshotPath(int32_t missionId, bool isLowResolution) const;
113 
114     bool CheckFileNameValid(const std::string &fileName);
115 
116 #ifdef SUPPORT_GRAPHICS
117     void WriteRgb888ToJpeg(const char* fileName, uint32_t width, uint32_t height, const uint8_t* data);
118 
119     bool GetCachedSnapshot(int32_t missionId, MissionSnapshot& missionSnapshot);
120 
121     bool SaveCachedSnapshot(int32_t missionId, const MissionSnapshot& missionSnapshot);
122 
123     bool DeleteCachedSnapshot(int32_t missionId);
124     void DeleteMissionSnapshot(int32_t missionId, bool isLowResolution);
125 
126     void SaveSnapshotFile(int32_t missionId, const MissionSnapshot& missionSnapshot);
127 
128     void SaveSnapshotFile(int32_t missionId, const std::shared_ptr<OHOS::Media::PixelMap>& snapshot,
129         bool isPrivate, bool isLowResolution);
130 
131     bool RGB565ToRGB888(const uint16_t *rgb565Buf, int32_t rgb565Size, uint8_t *rgb888Buf, int32_t rgb888Size);
132     bool RGBA8888ToRGB888(const uint32_t *rgba8888Buf, int32_t rgba8888Size, uint8_t *rgb888Buf, int32_t rgb888Size);
133     void SaveRGB565Image(const std::shared_ptr<Media::PixelMap> &frame, const char* fileName);
134     void SaveRGBA8888Image(const std::shared_ptr<Media::PixelMap> &frame, const char* fileName);
135 
136     std::map<int32_t, std::shared_ptr<Media::PixelMap>> cachedPixelMap_;
137 #endif
138 
139     int userId_ = 0;
140     std::shared_ptr<AppExecFwk::EventHandler> handler_;
141     std::mutex cachedPixelMapMutex_;
142 };
143 }  // namespace AAFwk
144 }  // namespace OHOS
145 #endif  // OHOS_ABILITY_RUNTIME_MISSION_DATA_STORAGE_H
146