mirror of
https://github.com/smallmain/cocos-enhance-kit.git
synced 2025-01-15 15:31:08 +00:00
120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "ObjectWrap.h"
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#if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8
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namespace se {
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ObjectWrap::ObjectWrap() {
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refs_ = 0;
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_nativeObj = nullptr;
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_finalizeCb = nullptr;
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}
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bool ObjectWrap::init(v8::Local<v8::Object> handle) {
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assert(persistent().IsEmpty());
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persistent().Reset(v8::Isolate::GetCurrent(), handle);
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makeWeak();
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return true;
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}
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void ObjectWrap::setFinalizeCallback(V8FinalizeFunc finalizeCb) {
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_finalizeCb = finalizeCb;
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}
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ObjectWrap::~ObjectWrap() {
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if (persistent().IsEmpty())
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return;
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//cjh assert(persistent().IsNearDeath());
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persistent().ClearWeak();
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persistent().Reset();
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}
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/*static*/
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void *ObjectWrap::unwrap(v8::Local<v8::Object> handle) {
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assert(!handle.IsEmpty());
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assert(handle->InternalFieldCount() > 0);
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return handle->GetAlignedPointerFromInternalField(0);
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}
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v8::Local<v8::Object> ObjectWrap::handle() {
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return handle(v8::Isolate::GetCurrent());
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}
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v8::Local<v8::Object> ObjectWrap::handle(v8::Isolate *isolate) {
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return v8::Local<v8::Object>::New(isolate, persistent());
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}
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v8::Persistent<v8::Object> &ObjectWrap::persistent() {
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return handle_;
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}
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void ObjectWrap::wrap(void *nativeObj) {
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assert(handle()->InternalFieldCount() > 0);
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_nativeObj = nativeObj;
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handle()->SetAlignedPointerInInternalField(0, nativeObj);
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}
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void ObjectWrap::makeWeak() {
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persistent().SetWeak(this, weakCallback, v8::WeakCallbackType::kFinalizer);
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// persistent().MarkIndependent();
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}
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void ObjectWrap::ref() {
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assert(!persistent().IsEmpty());
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persistent().ClearWeak();
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refs_++;
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}
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void ObjectWrap::unref() {
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assert(!persistent().IsEmpty());
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assert(!persistent().IsWeak());
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assert(refs_ > 0);
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if (--refs_ == 0)
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makeWeak();
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}
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/*static*/
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void ObjectWrap::weakCallback(const v8::WeakCallbackInfo<ObjectWrap> &data) {
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ObjectWrap *wrap = data.GetParameter();
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// SE_LOGD("weakCallback: %p, nativeObj = %p, finalize: %p\n", wrap, wrap->_nativeObj, wrap->_finalizeCb);
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assert(wrap->refs_ == 0);
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wrap->handle_.Reset();
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if (wrap->_finalizeCb != nullptr)
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{
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wrap->_finalizeCb(wrap->_nativeObj); // wrap will be destroyed in wrap->_finalizeCb, should not use any wrap object after this line.
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}
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else
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{
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assert(false);
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}
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}
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} // namespace se {
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#endif // #if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8
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