1 /*
2  * Copyright (c) 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 JS_PRINT_CALLBACK_H
17 #define JS_PRINT_CALLBACK_H
18 
19 #include <memory>
20 #include <mutex>
21 #include <uv.h>
22 #include <vector>
23 
24 #include "napi/native_api.h"
25 
26 namespace OHOS {
27 namespace AbilityRuntime {
28 class JsRuntime;
29 class JsPrintCallback : public std::enable_shared_from_this<JsPrintCallback> {
30 public:
31     explicit JsPrintCallback(JsRuntime &jsRutime);
32     ~JsPrintCallback() = default;
33     static bool Call(napi_env env, void *data, uv_after_work_cb afterCallback);
34     napi_value Exec(napi_value jsObj, const std::string &name, napi_value const *argv = nullptr, size_t argc = 0,
35         bool isSync = true);
36 
37 private:
38     uv_loop_s *GetJsLoop(JsRuntime &jsRuntime);
39     uv_work_t* BuildJsWorker(napi_value jsObj, const std::string &name,
40         napi_value const *argv, size_t argc, bool isSync);
41     int UvQueueWork(uv_loop_s* loop, uv_work_t* worker);
42 
43 private:
44     struct JsWorkParam {
45         std::shared_ptr<JsPrintCallback> self;
46         napi_env nativeEngine;
47         napi_value jsObj;
48         napi_value jsMethod;
49         napi_value const *argv;
50         size_t argc;
51         napi_value jsResult;
52         bool isSync;
53         bool isCompleted;
JsWorkParamJsWorkParam54         JsWorkParam()
55         {
56             self = nullptr;
57             nativeEngine = nullptr;
58             jsObj = nullptr;
59             jsMethod = nullptr;
60             argv = nullptr;
61             argc = 0;
62             jsResult = nullptr;
63             isSync = false;
64             isCompleted = false;
65         }
66     };
67 
68     JsRuntime &jsRuntime_;
69 
70     JsPrintCallback::JsWorkParam jsParam_;
71 
72     std::mutex conditionMutex_;
73     std::condition_variable syncCon_;
74     static constexpr int SYNC_TIME_OUT = 1000;
75 };
76 } // namespace AbilityRuntime
77 } // namespace OHOS
78 #endif // JS_PRINT_CALLBACK_H
79