1 /*
2 * Copyright (c) 2024 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 "napi_async_work_callback.h"
17
18 #include "app_log_wrapper.h"
19
20 namespace OHOS {
21 namespace AppExecFwk {
22 namespace LIBZIP {
23 using namespace std;
24
NapiAsyncWorkCallback(napi_env env,NapiValue thisPtr,NapiValue cb)25 NapiAsyncWorkCallback::NapiAsyncWorkCallback(napi_env env, NapiValue thisPtr, NapiValue cb) : NapiAsyncWorkFactory(env)
26 {
27 ctx_ = new NAsyncContextCallback(thisPtr, cb);
28 }
29
~NapiAsyncWorkCallback()30 NapiAsyncWorkCallback::~NapiAsyncWorkCallback()
31 {
32 if (ctx_ != nullptr) {
33 delete ctx_;
34 ctx_ = nullptr;
35 }
36 }
37
CallbackExecute(napi_env env,void * data)38 static void CallbackExecute(napi_env env, void *data)
39 {
40 auto ctx = static_cast<NAsyncContextCallback *>(data);
41 if (ctx != nullptr && ctx->cbExec_ != nullptr) {
42 ctx->err_ = ctx->cbExec_(env);
43 }
44 }
45
CallbackComplete(napi_env env,napi_status status,void * data)46 static void CallbackComplete(napi_env env, napi_status status, void *data)
47 {
48 napi_handle_scope scope = nullptr;
49 napi_open_handle_scope(env, &scope);
50 auto ctx = static_cast<NAsyncContextCallback *>(data);
51 if (ctx == nullptr) {
52 napi_close_handle_scope(env, scope);
53 return;
54 }
55
56 if (ctx->cbComplete_ != nullptr) {
57 ctx->res_ = ctx->cbComplete_(env, ctx->err_);
58 ctx->cbComplete_ = nullptr;
59 }
60
61 vector<napi_value> argv;
62 if (!ctx->res_.TypeIsError(true)) {
63 argv = {NapiBusinessError(ERRNO_NOERR).GetNapiErr(env), ctx->res_.val_};
64 } else {
65 argv = {ctx->res_.val_};
66 }
67
68 napi_value global = nullptr;
69 napi_value callback = ctx->cb_.Deref(env).val_;
70 napi_value tmp = nullptr;
71 napi_get_global(env, &global);
72 napi_status stat = napi_call_function(env, global, callback, argv.size(), argv.data(), &tmp);
73 if (stat != napi_ok) {
74 APP_LOGE("Failed to call function for %{public}d", stat);
75 }
76
77 napi_close_handle_scope(env, scope);
78 napi_delete_async_work(env, ctx->awork_);
79 delete ctx;
80 }
81
Schedule(string procedureName,NContextCBExec cbExec,NContextCBComplete cbComplete)82 NapiValue NapiAsyncWorkCallback::Schedule(string procedureName, NContextCBExec cbExec, NContextCBComplete cbComplete)
83 {
84 if (!ctx_->cb_ || !ctx_->cb_.Deref(env_).TypeIs(napi_function)) {
85 APP_LOGE("The callback shall be a function");
86 NapiBusinessError(EINVAL, true).ThrowErr(env_);
87 return NapiValue();
88 }
89
90 ctx_->cbExec_ = move(cbExec);
91 ctx_->cbComplete_ = move(cbComplete);
92 napi_value resource = NapiValue::CreateUTF8String(env_, procedureName).val_;
93 napi_status status =
94 napi_create_async_work(env_, nullptr, resource, CallbackExecute, CallbackComplete, ctx_, &ctx_->awork_);
95 if (status != napi_ok) {
96 APP_LOGE("Failed to create async work for %{public}d", status);
97 return NapiValue();
98 }
99
100 status = napi_queue_async_work(env_, ctx_->awork_);
101 if (status != napi_ok) {
102 APP_LOGE("Failed to queue async work for %{public}d", status);
103 return NapiValue();
104 }
105
106 ctx_ = nullptr; // The ownership of ctx_ has been transferred
107 return NapiValue::CreateUndefined(env_);
108 }
109 } // namespace LIBZIP
110 } // namespace AppExecFwk
111 } // namespace OHOS