78 lines
2 KiB
C++
78 lines
2 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE.chromium file.
|
|
|
|
#include "native_mate/wrappable.h"
|
|
|
|
#include "base/logging.h"
|
|
#include "native_mate/dictionary.h"
|
|
#include "native_mate/object_template_builder.h"
|
|
|
|
namespace mate {
|
|
|
|
Wrappable::Wrappable() {
|
|
}
|
|
|
|
Wrappable::~Wrappable() {
|
|
MATE_PERSISTENT_RESET(wrapper_);
|
|
}
|
|
|
|
void Wrappable::Wrap(v8::Isolate* isolate, v8::Local<v8::Object> wrapper) {
|
|
if (!wrapper_.IsEmpty())
|
|
return;
|
|
|
|
MATE_SET_INTERNAL_FIELD_POINTER(wrapper, 0, this);
|
|
MATE_PERSISTENT_ASSIGN(v8::Object, isolate, wrapper_, wrapper);
|
|
MATE_PERSISTENT_SET_WEAK(wrapper_, this, WeakCallback);
|
|
|
|
// Call object._init if we have one.
|
|
v8::Local<v8::Function> init;
|
|
if (Dictionary(isolate, wrapper).Get("_init", &init))
|
|
init->Call(wrapper, 0, NULL);
|
|
|
|
AfterInit(isolate);
|
|
}
|
|
|
|
// static
|
|
void Wrappable::BuildPrototype(v8::Isolate* isolate,
|
|
v8::Local<v8::ObjectTemplate> prototype) {
|
|
}
|
|
|
|
ObjectTemplateBuilder Wrappable::GetObjectTemplateBuilder(
|
|
v8::Isolate* isolate) {
|
|
return ObjectTemplateBuilder(isolate);
|
|
}
|
|
|
|
// static
|
|
MATE_WEAK_CALLBACK(Wrappable::WeakCallback, v8::Object, Wrappable) {
|
|
MATE_WEAK_CALLBACK_INIT(Wrappable);
|
|
delete self;
|
|
}
|
|
|
|
v8::Local<v8::Object> Wrappable::GetWrapper(v8::Isolate* isolate) {
|
|
if (!wrapper_.IsEmpty())
|
|
return MATE_PERSISTENT_TO_LOCAL(v8::Object, isolate, wrapper_);
|
|
|
|
v8::Local<v8::ObjectTemplate> templ =
|
|
GetObjectTemplateBuilder(isolate).Build();
|
|
CHECK(!templ.IsEmpty());
|
|
CHECK_EQ(1, templ->InternalFieldCount());
|
|
v8::Local<v8::Object> wrapper = templ->NewInstance();
|
|
Wrap(isolate, wrapper);
|
|
return wrapper;
|
|
}
|
|
|
|
namespace internal {
|
|
|
|
void* FromV8Impl(v8::Isolate* isolate, v8::Local<v8::Value> val) {
|
|
if (!val->IsObject())
|
|
return NULL;
|
|
v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(val);
|
|
if (obj->InternalFieldCount() != 1)
|
|
return NULL;
|
|
return MATE_GET_INTERNAL_FIELD_POINTER(obj, 0);
|
|
}
|
|
|
|
} // namespace internal
|
|
|
|
} // namespace mate
|