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chore: remove native_mate (Part 5) (#20264)

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* deprecate native_mate/native_mate/object_template_builder.h

* add gin_helper/object_template_builder.h

* add patch to avoid ambiguous error

* remove usage of object_template_builder_deprecated.h in a few files

* add note we should remove gin_helper/object_template_builder.h in future
This commit is contained in:
Cheng Zhao 2019-09-19 11:09:15 -04:00 • committed by Shelley Vohr
parent 63f08fcdb0
commit 624ba4f642
39 changed files with 474 additions and 121 deletions
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39
shell/common/gin_helper/function_template.h
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@ -5,6 +5,7 @@
#ifndef SHELL_COMMON_GIN_HELPER_FUNCTION_TEMPLATE_H_
#define SHELL_COMMON_GIN_HELPER_FUNCTION_TEMPLATE_H_
#include "base/bind.h"
#include "base/callback.h"
#include "gin/arguments.h"
#include "shell/common/gin_helper/destroyable.h"
@ -258,6 +259,44 @@ v8::Local<v8::FunctionTemplate> CreateFunctionTemplate(
isolate, holder->GetHandle(isolate)));
}
// Base template - used only for non-member function pointers. Other types
// either go to one of the below specializations, or go here and fail to compile
// because of base::Bind().
template <typename T, typename Enable = void>
struct CallbackTraits {
static v8::Local<v8::FunctionTemplate> CreateTemplate(v8::Isolate* isolate,
T callback) {
return gin_helper::CreateFunctionTemplate(isolate,
base::BindRepeating(callback));
}
};
// Specialization for base::Callback.
template <typename T>
struct CallbackTraits<base::Callback<T>> {
static v8::Local<v8::FunctionTemplate> CreateTemplate(
v8::Isolate* isolate,
const base::RepeatingCallback<T>& callback) {
return gin_helper::CreateFunctionTemplate(isolate, callback);
}
};
// Specialization for member function pointers. We need to handle this case
// specially because the first parameter for callbacks to MFP should typically
// come from the the JavaScript "this" object the function was called on, not
// from the first normal parameter.
template <typename T>
struct CallbackTraits<
T,
typename std::enable_if<std::is_member_function_pointer<T>::value>::type> {
static v8::Local<v8::FunctionTemplate> CreateTemplate(v8::Isolate* isolate,
T callback) {
int flags = HolderIsFirstArgument;
return gin_helper::CreateFunctionTemplate(
isolate, base::BindRepeating(callback), flags);
}
};
} // namespace gin_helper
#endif // SHELL_COMMON_GIN_HELPER_FUNCTION_TEMPLATE_H_