chore: remove native_mate (Part 14) (#21365)
* chore: remove uses of mate::Dictionary and mate::Handle * chore: move CreateConstructor to gin_helper * chore: remove native_mate * chore: remove unneeded gin patch
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74 changed files with 215 additions and 2120 deletions
103
shell/common/gin_helper/wrappable.h
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103
shell/common/gin_helper/wrappable.h
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE.chromium file.
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#ifndef SHELL_COMMON_GIN_HELPER_WRAPPABLE_H_
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#define SHELL_COMMON_GIN_HELPER_WRAPPABLE_H_
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#include "base/bind.h"
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#include "gin/per_isolate_data.h"
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#include "shell/common/gin_helper/constructor.h"
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namespace gin_helper {
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namespace internal {
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void* FromV8Impl(v8::Isolate* isolate, v8::Local<v8::Value> val);
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} // namespace internal
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template <typename T>
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class Wrappable : public WrappableBase {
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public:
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Wrappable() = default;
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template <typename Sig>
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static void SetConstructor(v8::Isolate* isolate,
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const base::Callback<Sig>& constructor) {
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v8::Local<v8::FunctionTemplate> templ = CreateFunctionTemplate(
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isolate, base::Bind(&internal::InvokeNew<Sig>, constructor));
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templ->InstanceTemplate()->SetInternalFieldCount(1);
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T::BuildPrototype(isolate, templ);
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gin::PerIsolateData::From(isolate)->SetFunctionTemplate(&kWrapperInfo,
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templ);
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}
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static v8::Local<v8::FunctionTemplate> GetConstructor(v8::Isolate* isolate) {
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// Fill the object template.
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auto* data = gin::PerIsolateData::From(isolate);
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auto templ = data->GetFunctionTemplate(&kWrapperInfo);
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if (templ.IsEmpty()) {
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templ = v8::FunctionTemplate::New(isolate);
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templ->InstanceTemplate()->SetInternalFieldCount(1);
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T::BuildPrototype(isolate, templ);
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data->SetFunctionTemplate(&kWrapperInfo, templ);
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}
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return templ;
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}
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protected:
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// Init the class with T::BuildPrototype.
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void Init(v8::Isolate* isolate) {
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v8::Local<v8::FunctionTemplate> templ = GetConstructor(isolate);
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// |wrapper| may be empty in some extreme cases, e.g., when
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// Object.prototype.constructor is overwritten.
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v8::Local<v8::Object> wrapper;
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if (!templ->InstanceTemplate()
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->NewInstance(isolate->GetCurrentContext())
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.ToLocal(&wrapper)) {
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// The current wrappable object will be no longer managed by V8. Delete
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// this now.
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delete this;
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return;
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}
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InitWith(isolate, wrapper);
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}
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private:
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static gin::WrapperInfo kWrapperInfo;
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DISALLOW_COPY_AND_ASSIGN(Wrappable);
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};
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// static
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template <typename T>
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gin::WrapperInfo Wrappable<T>::kWrapperInfo = {gin::kEmbedderNativeGin};
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} // namespace gin_helper
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namespace gin {
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template <typename T>
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struct Converter<
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T*,
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typename std::enable_if<
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std::is_convertible<T*, gin_helper::WrappableBase*>::value>::type> {
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static v8::Local<v8::Value> ToV8(v8::Isolate* isolate, T* val) {
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if (val)
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return val->GetWrapper();
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else
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return v8::Null(isolate);
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}
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static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val, T** out) {
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*out = static_cast<T*>(static_cast<gin_helper::WrappableBase*>(
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gin_helper::internal::FromV8Impl(isolate, val)));
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return *out != nullptr;
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}
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};
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} // namespace gin
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#endif // SHELL_COMMON_GIN_HELPER_WRAPPABLE_H_
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