63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// Copyright 2014 Cheng Zhao. All rights reserved.
|
|
// Use of this source code is governed by MIT license that can be found in the
|
|
// LICENSE file.
|
|
|
|
#ifndef SHELL_COMMON_GIN_HELPER_PERSISTENT_DICTIONARY_H_
|
|
#define SHELL_COMMON_GIN_HELPER_PERSISTENT_DICTIONARY_H_
|
|
|
|
#include "shell/common/gin_helper/dictionary.h"
|
|
|
|
namespace gin_helper {
|
|
|
|
// Like Dictionary, but stores object in persistent handle so you can keep it
|
|
// safely on heap.
|
|
//
|
|
// TODO(zcbenz): The only user of this class is ElectronTouchBar, we should
|
|
// migrate away from this class.
|
|
class PersistentDictionary {
|
|
public:
|
|
PersistentDictionary();
|
|
PersistentDictionary(v8::Isolate* isolate, v8::Local<v8::Object> object);
|
|
PersistentDictionary(const PersistentDictionary& other);
|
|
~PersistentDictionary();
|
|
|
|
PersistentDictionary& operator=(const PersistentDictionary& other);
|
|
|
|
v8::Local<v8::Object> GetHandle() const;
|
|
|
|
template <typename K, typename V>
|
|
bool Get(const K& key, V* out) const {
|
|
v8::Local<v8::Context> context = isolate_->GetCurrentContext();
|
|
v8::Local<v8::Value> v8_key = gin::ConvertToV8(isolate_, key);
|
|
v8::Local<v8::Value> value;
|
|
v8::Maybe<bool> result = GetHandle()->Has(context, v8_key);
|
|
if (result.IsJust() && result.FromJust() &&
|
|
GetHandle()->Get(context, v8_key).ToLocal(&value))
|
|
return gin::ConvertFromV8(isolate_, value, out);
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
v8::Isolate* isolate_ = nullptr;
|
|
v8::Global<v8::Object> handle_;
|
|
};
|
|
|
|
} // namespace gin_helper
|
|
|
|
namespace gin {
|
|
|
|
template <>
|
|
struct Converter<gin_helper::PersistentDictionary> {
|
|
static bool FromV8(v8::Isolate* isolate,
|
|
v8::Local<v8::Value> val,
|
|
gin_helper::PersistentDictionary* out) {
|
|
if (!val->IsObject())
|
|
return false;
|
|
*out = gin_helper::PersistentDictionary(isolate, val.As<v8::Object>());
|
|
return true;
|
|
}
|
|
};
|
|
|
|
} // namespace gin
|
|
|
|
#endif // SHELL_COMMON_GIN_HELPER_PERSISTENT_DICTIONARY_H_
|