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_array_buffer.h"
17 #include "utils/log.h"
18
19 using panda::ArrayBufferRef;
ArkNativeArrayBuffer(ArkNativeEngine * engine,Local<JSValueRef> value)20 ArkNativeArrayBuffer::ArkNativeArrayBuffer(ArkNativeEngine* engine, Local<JSValueRef> value)
21 : ArkNativeObject(engine, value)
22 {
23 }
24
ArkNativeArrayBuffer(ArkNativeEngine * engine,uint8_t ** value,size_t length)25 ArkNativeArrayBuffer::ArkNativeArrayBuffer(ArkNativeEngine* engine, uint8_t** value, size_t length)
26 : ArkNativeArrayBuffer(engine, JSValueRef::Undefined(engine->GetEcmaVm()))
27 {
28 auto vm = engine->GetEcmaVm();
29 LocalScope scope(vm);
30 value_ = Global<ArrayBufferRef>(vm, ArrayBufferRef::New(vm, length));
31 if (value != nullptr) {
32 Global<ArrayBufferRef> obj = value_;
33 *value = reinterpret_cast<uint8_t*>(obj->GetBuffer());
34 }
35 }
36
ArkNativeArrayBuffer(ArkNativeEngine * engine,uint8_t * value,size_t length,NativeFinalize cb,void * hint)37 ArkNativeArrayBuffer::ArkNativeArrayBuffer(ArkNativeEngine* engine,
38 uint8_t* value,
39 size_t length,
40 NativeFinalize cb,
41 void* hint)
42 : ArkNativeArrayBuffer(engine, JSValueRef::Undefined(engine->GetEcmaVm()))
43 {
44 auto vm = engine->GetEcmaVm();
45 LocalScope scope(vm);
46
47 NativeObjectInfo* cbinfo = NativeObjectInfo::CreateNewInstance();
48 if (cbinfo == nullptr) {
49 HILOG_ERROR("cbinfo is nullptr");
50 return;
51 }
52 cbinfo->engine = engine_;
53 cbinfo->callback = cb;
54 cbinfo->hint = hint;
55
56 Local<ArrayBufferRef> object = ArrayBufferRef::New(vm, value, length,
57 [](void* data, void* info) {
58 auto externalInfo = reinterpret_cast<NativeObjectInfo*>(info);
59 auto engine = externalInfo->engine;
60 auto callback = externalInfo->callback;
61 auto hint = externalInfo->hint;
62 if (callback != nullptr) {
63 callback(engine, data, hint);
64 }
65 delete externalInfo;
66 },
67 cbinfo);
68
69 value_ = Global<ArrayBufferRef>(vm, object);
70 }
71
~ArkNativeArrayBuffer()72 ArkNativeArrayBuffer::~ArkNativeArrayBuffer() {}
73
GetInterface(int interfaceId)74 void* ArkNativeArrayBuffer::GetInterface(int interfaceId)
75 {
76 return (NativeArrayBuffer::INTERFACE_ID == interfaceId) ? (NativeArrayBuffer*)this
77 : ArkNativeObject::GetInterface(interfaceId);
78 }
79
GetBuffer()80 void* ArkNativeArrayBuffer::GetBuffer()
81 {
82 auto vm = engine_->GetEcmaVm();
83 LocalScope scope(vm);
84 Global<ArrayBufferRef> v = value_;
85 return v->GetBuffer();
86 }
87
GetLength()88 size_t ArkNativeArrayBuffer::GetLength()
89 {
90 auto vm = engine_->GetEcmaVm();
91 LocalScope scope(vm);
92 Global<ArrayBufferRef> v = value_;
93 return v->ByteLength(vm);
94 }
95
IsDetachedArrayBuffer()96 bool ArkNativeArrayBuffer::IsDetachedArrayBuffer()
97 {
98 return true;
99 }
100
DetachArrayBuffer()101 bool ArkNativeArrayBuffer::DetachArrayBuffer()
102 {
103 return false;
104 }
105