Use DoubleIDWeakMap for |rendererFunctions|

This commit is contained in:
Cheng Zhao 2016-05-11 20:40:48 +09:00
parent 49ac160ff7
commit 759a46f3d6
3 changed files with 54 additions and 16 deletions

View file

@ -3,15 +3,64 @@
// found in the LICENSE file.
#include <string>
#include <utility>
#include "atom/common/api/atom_api_key_weak_map.h"
#include "atom/common/api/remote_callback_freer.h"
#include "atom/common/api/remote_object_freer.h"
#include "atom/common/native_mate_converters/content_converter.h"
#include "atom/common/node_includes.h"
#include "base/hash.h"
#include "native_mate/dictionary.h"
#include "v8/include/v8-profiler.h"
namespace base {
// Following code should be removed after we upgraded to Chrome 50.
template <typename T1, typename T2>
inline size_t HashInts(T1 value1, T2 value2) {
// This condition is expected to be compile-time evaluated and optimised away
// in release builds.
if (sizeof(T1) > sizeof(uint32_t) || (sizeof(T2) > sizeof(uint32_t)))
return HashInts64(value1, value2);
return HashInts32(value1, value2);
}
} // namespace base
namespace std {
// The hash function used by DoubleIDWeakMap.
template <typename Type1, typename Type2>
struct hash<std::pair<Type1, Type2>> {
std::size_t operator()(std::pair<Type1, Type2> value) const {
return base::HashInts<Type1, Type2>(value.first, value.second);
}
};
} // namespace std
namespace mate {
template<typename Type1, typename Type2>
struct Converter<std::pair<Type1, Type2>> {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
std::pair<Type1, Type2>* out) {
if (!val->IsArray())
return false;
v8::Local<v8::Array> array(v8::Local<v8::Array>::Cast(val));
if (array->Length() != 2)
return false;
return Converter<Type1>::FromV8(isolate, array->Get(0), &out->first) &&
Converter<Type2>::FromV8(isolate, array->Get(1), &out->second);
}
};
} // namespace mate
namespace {
v8::Local<v8::Value> GetHiddenValue(v8::Isolate* isolate,
@ -69,6 +118,8 @@ void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
dict.SetMethod("setRemoteCallbackFreer", &atom::RemoteCallbackFreer::BindTo);
dict.SetMethod("setRemoteObjectFreer", &atom::RemoteObjectFreer::BindTo);
dict.SetMethod("createIDWeakMap", &atom::api::KeyWeakMap<int32_t>::Create);
dict.SetMethod("createDoubleIDWeakMap",
&atom::api::KeyWeakMap<std::pair<int32_t, int32_t>>::Create);
}
} // namespace