electron/atom/common/api/atom_api_v8_util.cc

81 lines
2.7 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <map>
#include <string>
#include "atom/common/api/object_life_monitor.h"
#include "atom/common/node_includes.h"
#include "base/stl_util.h"
#include "native_mate/dictionary.h"
#include "v8/include/v8-profiler.h"
namespace {
using FunctionTemplateHandle =
v8::CopyablePersistentTraits<v8::FunctionTemplate>::CopyablePersistent;
// The handles are leaked on purpose.
std::map<std::string, FunctionTemplateHandle> function_templates_;
v8::Local<v8::Object> CreateObjectWithName(v8::Isolate* isolate,
const std::string& name) {
if (name == "Object")
return v8::Object::New(isolate);
if (ContainsKey(function_templates_, name))
return v8::Local<v8::FunctionTemplate>::New(
isolate, function_templates_[name])->GetFunction()->NewInstance();
v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate);
t->SetClassName(mate::StringToV8(isolate, name));
function_templates_[name] = FunctionTemplateHandle(isolate, t);
return t->GetFunction()->NewInstance();
}
v8::Local<v8::Value> GetHiddenValue(v8::Local<v8::Object> object,
v8::Local<v8::String> key) {
return object->GetHiddenValue(key);
}
void SetHiddenValue(v8::Local<v8::Object> object,
v8::Local<v8::String> key,
v8::Local<v8::Value> value) {
object->SetHiddenValue(key, value);
}
void DeleteHiddenValue(v8::Local<v8::Object> object,
v8::Local<v8::String> key) {
object->DeleteHiddenValue(key);
}
int32_t GetObjectHash(v8::Local<v8::Object> object) {
return object->GetIdentityHash();
}
void SetDestructor(v8::Isolate* isolate,
v8::Local<v8::Object> object,
v8::Local<v8::Function> callback) {
atom::ObjectLifeMonitor::BindTo(isolate, object, callback);
}
void TakeHeapSnapshot(v8::Isolate* isolate) {
isolate->GetHeapProfiler()->TakeHeapSnapshot();
}
void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
v8::Local<v8::Context> context, void* priv) {
mate::Dictionary dict(context->GetIsolate(), exports);
dict.SetMethod("createObjectWithName", &CreateObjectWithName);
dict.SetMethod("getHiddenValue", &GetHiddenValue);
dict.SetMethod("setHiddenValue", &SetHiddenValue);
dict.SetMethod("deleteHiddenValue", &DeleteHiddenValue);
dict.SetMethod("getObjectHash", &GetObjectHash);
dict.SetMethod("setDestructor", &SetDestructor);
dict.SetMethod("takeHeapSnapshot", &TakeHeapSnapshot);
}
} // namespace
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_common_v8_util, Initialize)