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 #include "bridge/declarative_frontend/jsview/js_persistent.h"
17
18 #include "base/memory/referenced.h"
19 #include "core/common/ace_engine.h"
20 #include "core/common/container.h"
21 #include "core/common/storage/storage_proxy.h"
22 #include "frameworks/bridge/declarative_frontend/engine/js_ref_ptr.h"
23
24 namespace OHOS::Ace::Framework {
25 constexpr int32_t DATA_REQUIRED_ARGS = 2;
26 constexpr int32_t ARGS_AREAMODE = 2;
27
JSBind(BindingTarget globalObj)28 void JSPersistent::JSBind(BindingTarget globalObj)
29 {
30 JSClass<JSPersistent>::Declare("Storage");
31 JSClass<JSPersistent>::CustomMethod("set", &JSPersistent::Set);
32 JSClass<JSPersistent>::CustomMethod("get", &JSPersistent::Get);
33 JSClass<JSPersistent>::CustomMethod("has", &JSPersistent::Has);
34 JSClass<JSPersistent>::CustomMethod("clear", &JSPersistent::Clear);
35 JSClass<JSPersistent>::CustomMethod("delete", &JSPersistent::Delete);
36 JSClass<JSPersistent>::Bind(globalObj, JSPersistent::ConstructorCallback, JSPersistent::DestructorCallback);
37 }
38
ConstructorCallback(const JSCallbackInfo & args)39 void JSPersistent::ConstructorCallback(const JSCallbackInfo& args)
40 {
41 bool needCrossThread = false;
42 if (args.Length() > 0 && args[0]->IsBoolean()) {
43 needCrossThread = args[0]->ToBoolean();
44 }
45 std::string fileName;
46 auto persistent = Referenced::MakeRefPtr<JSPersistent>(needCrossThread, fileName);
47 persistent->IncRefCount();
48 args.SetReturnValue(Referenced::RawPtr(persistent));
49 }
50
DestructorCallback(JSPersistent * persistent)51 void JSPersistent::DestructorCallback(JSPersistent* persistent)
52 {
53 if (persistent != nullptr) {
54 persistent->DecRefCount();
55 }
56 }
57
Set(const JSCallbackInfo & args)58 void JSPersistent::Set(const JSCallbackInfo& args)
59 {
60 #if defined(PREVIEW)
61 LOGW("[Engine Log] Unable to use the PersistentStorage in the Previewer. Perform this operation on the "
62 "emulator or a real device instead.");
63 return;
64 #endif
65 if (args.Length() < DATA_REQUIRED_ARGS || !args[0]->IsString()) {
66 LOGW("JSPersistent: Fail to set persistent data, args too few or key type is not a string");
67 return;
68 }
69 std::string key = args[0]->ToString();
70 auto serializedValue = JSON::Stringify(args.GetVm(), args[1].Get().GetLocalHandle());
71 int32_t areaMode = -1;
72 if (args.Length() > DATA_REQUIRED_ARGS && args[ARGS_AREAMODE]->IsNumber()) {
73 areaMode = args[ARGS_AREAMODE]->ToNumber<int32_t>();
74 }
75 std::string value = serializedValue->ToString(args.GetVm())->ToString(args.GetVm());
76 if (!StorageProxy::GetInstance()->GetStorage(areaMode)) {
77 LOGW("no storage available");
78 return;
79 }
80 StorageProxy::GetInstance()->GetStorage(areaMode)->SetString(key, value);
81 }
82
Get(const JSCallbackInfo & args)83 void JSPersistent::Get(const JSCallbackInfo& args)
84 {
85 #if defined(PREVIEW)
86 LOGW("[Engine Log] Unable to use the PersistentStorage in the Previewer. Perform this operation on the "
87 "emulator or a real device instead.");
88 return;
89 #endif
90 if (args.Length() < 1 || !args[0]->IsString()) {
91 return;
92 }
93 int32_t areaMode = -1;
94 if (args.Length() > 1 && args[1]->IsNumber()) {
95 areaMode = args[1]->ToNumber<int32_t>();
96 }
97 auto storage = StorageProxy::GetInstance()->GetStorage(areaMode);
98 if (!storage) {
99 LOGW("no storage available");
100 return;
101 }
102 std::string key = args[0]->ToString();
103 std::string value = storage->GetString(key);
104 if (value.empty() || value == "undefined") {
105 args.SetReturnValue(JSVal::Undefined());
106 return;
107 }
108 JSRef<JSObject> obj = JSRef<JSObject>::New();
109 JSRef<JSVal> ret = obj->ToJsonObject(value.c_str());
110 args.SetReturnValue(ret);
111 }
112
Has(const JSCallbackInfo & args)113 void JSPersistent::Has(const JSCallbackInfo& args)
114 {
115 #if defined(PREVIEW)
116 LOGW("[Engine Log] Unable to use the PersistentStorage in the Previewer. Perform this operation on the "
117 "emulator or a real device instead.");
118 return;
119 #endif
120 if (args.Length() < 1 || !args[0]->IsString()) {
121 LOGW("JSPersistent: Failed to Get persistent data, args too few");
122 return;
123 }
124 int32_t areaMode = -1;
125 if (args.Length() > 1 && args[1]->IsNumber()) {
126 areaMode = args[1]->ToNumber<int32_t>();
127 }
128 std::string key = args[0]->ToString();
129 if (!StorageProxy::GetInstance()->GetStorage(areaMode)) {
130 LOGW("no storage available");
131 return;
132 }
133 std::string value = StorageProxy::GetInstance()->GetStorage(areaMode)->GetString(key);
134 args.SetReturnValue(value.empty()? JSVal::False() : JSVal::True());
135 }
136
Delete(const JSCallbackInfo & args)137 void JSPersistent::Delete(const JSCallbackInfo& args)
138 {
139 #if defined(PREVIEW)
140 LOGW("[Engine Log] Unable to use the PersistentStorage in the Previewer. Perform this operation on the "
141 "emulator or a real device instead.");
142 return;
143 #endif
144 if (args.Length() < 1 || !args[0]->IsString()) {
145 return;
146 }
147 std::string key = args[0]->ToString();
148 int32_t areaMode = -1;
149 if (args.Length() > 1 && args[1]->IsNumber()) {
150 areaMode = args[1]->ToNumber<int32_t>();
151 }
152
153 if (!StorageProxy::GetInstance()->GetStorage(areaMode)) {
154 LOGW("no storage available");
155 return;
156 }
157 StorageProxy::GetInstance()->GetStorage(areaMode)->Delete(key);
158 }
159
Clear(const JSCallbackInfo & args)160 void JSPersistent::Clear(const JSCallbackInfo& args)
161 {
162 #if defined(PREVIEW)
163 LOGW("[Engine Log] Unable to use the PersistentStorage in the Previewer. Perform this operation on the "
164 "emulator or a real device instead.");
165 return;
166 #endif
167 if (!StorageProxy::GetInstance()->GetStorage()) {
168 LOGW("no storage available");
169 return;
170 }
171 StorageProxy::GetInstance()->GetStorage()->Clear();
172 }
173
174 } // namespace OHOS::Ace::Framework