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 #ifndef FOUNDATION_APPEXECFWK_SERVICES_FORMMGR_INCLUDE_FORM_CACHE_MGR_H 16 #define FOUNDATION_APPEXECFWK_SERVICES_FORMMGR_INCLUDE_FORM_CACHE_MGR_H 17 18 #include <map> 19 #include <memory> 20 #include <mutex> 21 #include <singleton.h> 22 #include <string> 23 24 #include "form_ashmem.h" 25 26 namespace OHOS { 27 namespace AppExecFwk { 28 /** 29 * @class FormCacheMgr 30 * Form cache data manager. 31 */ 32 class FormCacheMgr final : public DelayedRefSingleton<FormCacheMgr> { 33 DECLARE_DELAYED_REF_SINGLETON(FormCacheMgr) 34 public: 35 DISALLOW_COPY_AND_MOVE(FormCacheMgr); 36 37 /** 38 * @brief Get form data. 39 * @param formId Form id. 40 * @param data Cache data. 41 * @param imageMap Image map cache. 42 * @return Returns true if this function is successfully called; returns false otherwise. 43 */ 44 bool GetData(const int64_t formId, std::string &data, 45 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> &imageMap) const; 46 47 /** 48 * @brief Add form data. 49 * @param formId Form id. 50 * @param data Cache data. 51 * @param imageMap Image map cache. 52 * @return Returns true if this function is successfully called; returns false otherwise. 53 */ 54 bool AddData(const int64_t formId, const std::string &data, 55 const std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> &imageMap); 56 57 /** 58 * @brief Delete form data. 59 * @param formId Form id. 60 * @return Returns true if this function is successfully called; returns false otherwise. 61 */ 62 bool DeleteData(const int64_t formId); 63 64 /** 65 * @brief update form data. 66 * @param formId Form id. 67 * @param data Cache data. 68 * @return Returns true if this function is successfully called; returns false otherwise. 69 */ 70 bool UpdateData(const int64_t formId, const std::string &data); 71 /** 72 * @brief Check if form data is exist or not. 73 * @param formId, Form id. 74 * @return Returns true if this function is successfully called; returns false otherwise. 75 */ 76 bool IsExist(const int64_t formId) const; 77 private: 78 mutable std::mutex cacheMutex_; 79 std::map<int64_t, std::string> cacheData_; 80 std::map<int64_t, std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>>> cacheImageMap_; 81 }; 82 } // namespace AppExecFwk 83 } // namespace OHOS 84 85 #endif // FOUNDATION_APPEXECFWK_SERVICES_FORMMGR_INCLUDE_FORM_CACHE_MGR_H 86