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
16 #include "ark_native_external.h"
17 #include "ark_native_reference.h"
18 #include "utils/log.h"
19
20 using panda::NativePointerRef;
21
ArkNativeExternal(ArkNativeEngine * engine,void * value,NativeFinalize callback,void * hint,size_t nativeBindingSize)22 ArkNativeExternal::ArkNativeExternal(ArkNativeEngine* engine, void* value, NativeFinalize callback,
23 void* hint, size_t nativeBindingSize)
24 : ArkNativeExternal(engine, JSValueRef::Undefined(engine->GetEcmaVm()))
25 {
26 auto vm = engine->GetEcmaVm();
27 LocalScope scope(vm);
28
29 NativeObjectInfo* info = NativeObjectInfo::CreateNewInstance();
30 if (info == nullptr) {
31 HILOG_ERROR("info is nullptr");
32 return;
33 }
34 info->engine = engine;
35 info->nativeObject = nullptr;
36 info->callback = callback;
37 info->hint = hint;
38
39 Local<NativePointerRef> object = NativePointerRef::New(vm, value, ArkExternalDeleterCallback,
40 info, nativeBindingSize);
41 value_ = Global<NativePointerRef>(vm, object);
42 }
43
ArkNativeExternal(ArkNativeEngine * engine,Local<JSValueRef> value)44 ArkNativeExternal::ArkNativeExternal(ArkNativeEngine* engine, Local<JSValueRef> value)
45 : ArkNativeValue(engine, value) {}
46
~ArkNativeExternal()47 ArkNativeExternal::~ArkNativeExternal()
48 {
49 }
50
GetInterface(int interfaceId)51 void* ArkNativeExternal::GetInterface(int interfaceId)
52 {
53 return (NativeExternal::INTERFACE_ID == interfaceId) ? (NativeExternal*)this : nullptr;
54 }
55
operator void*()56 ArkNativeExternal::operator void*()
57 {
58 auto vm = engine_->GetEcmaVm();
59 LocalScope scope(vm);
60 Global<NativePointerRef> value = value_;
61 return value->Value();
62 }
63
64 // static
ArkExternalDeleterCallback(void * data,void * info)65 void ArkNativeExternal::ArkExternalDeleterCallback(void* data, void* info)
66 {
67 auto externalInfo = reinterpret_cast<NativeObjectInfo*>(info);
68 auto engine = externalInfo->engine;
69 auto callback = externalInfo->callback;
70 auto hint = externalInfo->hint;
71 if (callback != nullptr) {
72 callback(engine, data, hint);
73 }
74 delete externalInfo;
75 }
76