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 OHOS_FORM_FWK_FORM_SUPPLY_CALLBACK_H 17 #define OHOS_FORM_FWK_FORM_SUPPLY_CALLBACK_H 18 19 #include "form_ability_connection.h" 20 #include "form_supply_stub.h" 21 22 namespace OHOS { 23 namespace AppExecFwk { 24 /** 25 * @class FormSupplyCallback 26 * form supply service stub. 27 */ 28 class FormSupplyCallback : public FormSupplyStub { 29 public: 30 FormSupplyCallback() = default; 31 virtual ~FormSupplyCallback() = default; 32 static sptr<FormSupplyCallback> GetInstance(); 33 34 /** 35 * @brief Accept form binding data from form provider. 36 * @param providerFormInfo Form binding data. 37 * @param want input data. 38 * @return Returns ERR_OK on success, others on failure. 39 */ 40 int OnAcquire(const FormProviderInfo &formInfo, const Want &want) override; 41 42 /** 43 * @brief Accept other event. 44 * @param want input data. 45 * @return Returns ERR_OK on success, others on failure. 46 */ 47 int OnEventHandle(const Want &want) override; 48 49 /** 50 * @brief Accept form state from form provider. 51 * @param state Form state. 52 * @param provider provider info. 53 * @param wantArg The want of onAcquireFormState. 54 * @param want input data. 55 * @return Returns ERR_OK on success, others on failure. 56 */ 57 int OnAcquireStateResult(FormState state, const std::string &provider, const Want &wantArg, 58 const Want &want) override; 59 60 /** 61 * @brief Save ability Connection for the callback. 62 * @param connection ability connection. 63 */ 64 void AddConnection(sptr<FormAbilityConnection> connection); 65 /** 66 * @brief Delete ability connection after the callback come. 67 * @param connectId The ability connection id generated when save. 68 */ 69 void RemoveConnection(int32_t connectId); 70 /** 71 * @brief Delete ability connection by formId and hostToken. 72 * @param formId Indicates the ID of the form. 73 * @param hostToken Indicates the host token for matching connection. 74 */ 75 void RemoveConnection(int64_t formId, const sptr<IRemoteObject> &hostToken); 76 77 void OnShareAcquire(int64_t formId, const std::string &remoteDeviceId, 78 const AAFwk::WantParams &wantParams, int64_t requestCode, const bool &result) override; 79 80 /** 81 * @brief Handle form host died. 82 * @param hostToken Form host proxy object. 83 */ 84 void HandleHostDied(const sptr<IRemoteObject> &hostToken); 85 86 /** 87 * @brief Accept form render task done from render service. 88 * @param formId The Id of the form. 89 * @param want input data. 90 * @return Returns ERR_OK on success, others on failure. 91 */ 92 int32_t OnRenderTaskDone(int64_t formId, const Want &want) override; 93 94 /** 95 * @brief Accept form stop rendering task done from render service. 96 * @param formId The Id of the form. 97 * @param want input data. 98 * @return Returns ERR_OK on success, others on failure. 99 */ 100 int32_t OnStopRenderingTaskDone(int64_t formId, const Want &want) override; 101 private: 102 /** 103 * @brief check if disconnect ability or not. 104 * @param connection The ability connection. 105 */ 106 bool CanDisconnect(sptr<FormAbilityConnection> &connection); 107 108 bool IsRemoveConnection(int64_t formId, const sptr<IRemoteObject> &hostToken); 109 private: 110 static std::mutex mutex_; 111 static sptr<FormSupplyCallback> instance_; 112 113 mutable std::mutex conMutex_; 114 std::map<int32_t, sptr<FormAbilityConnection>> connections_; 115 DISALLOW_COPY_AND_MOVE(FormSupplyCallback); 116 }; 117 } // namespace AppExecFwk 118 } // namespace OHOS 119 #endif // OHOS_FORM_FWK_FORM_SUPPLY_CALLBACK_H 120