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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_METADATA_METADATA_IMPL_MACROS_H_
#define UI_VIEWS_METADATA_METADATA_IMPL_MACROS_H_
#include "ui/views/metadata/metadata_cache.h"
#include "ui/views/metadata/metadata_macros_internal.h"
#include "ui/views/metadata/property_metadata.h"
// Generate the implementation of the metadata accessors and internal class with
// additional macros for defining the class' properties.
#define BEGIN_METADATA(class_name) \
views::metadata::ClassMetaData* class_name::METADATA_CLASS_NAME_INTERNAL( \
class_name)::meta_data_ = nullptr; \
\
views::metadata::ClassMetaData* class_name::MetaData() { \
if (!METADATA_CLASS_NAME_INTERNAL(class_name)::meta_data_) \
METADATA_CLASS_NAME_INTERNAL(class_name)::meta_data_ = \
views::metadata::MakeAndRegisterClassInfo< \
METADATA_CLASS_NAME_INTERNAL(class_name)>(); \
return METADATA_CLASS_NAME_INTERNAL(class_name)::meta_data_; \
} \
\
views::metadata::ClassMetaData* class_name::GetClassMetaData() { \
return MetaData(); \
} \
\
const char* class_name::GetClassName() const { \
return class_name::kViewClassName; \
} \
const char class_name::kViewClassName[] = #class_name; \
\
void METADATA_FUNCTION_PREFIX_INTERNAL(class_name)::BuildMetaData() { \
SetTypeName(std::string(#class_name));
#define END_METADATA() }
#define METADATA_PARENT_CLASS(parent_class_name) \
SetParentClassMetaData(parent_class_name::MetaData());
// This will fail to compile if the property accessors aren't in the form of
// SetXXXX and GetXXXX.
#define ADD_PROPERTY_METADATA(class_name, property_type, property_name) \
std::unique_ptr<METADATA_PROPERTY_TYPE_INTERNAL(class_name, property_type, \
property_name)> \
property_name##_prop = std::make_unique<METADATA_PROPERTY_TYPE_INTERNAL( \
class_name, property_type, property_name)>(); \
property_name##_prop->SetMemberName(#property_name); \
property_name##_prop->SetMemberType(#property_type); \
AddMemberData(std::move(property_name##_prop));
// This will fail to compile if the property accessor isn't in the form of
// GetXXXX.
#define ADD_READONLY_PROPERTY_METADATA(class_name, property_type, \
property_name) \
std::unique_ptr<METADATA_READONLY_PROPERTY_TYPE_INTERNAL( \
class_name, property_type, property_name)> \
property_name##_prop = \
std::make_unique<METADATA_READONLY_PROPERTY_TYPE_INTERNAL( \
class_name, property_type, property_name)>(); \
property_name##_prop->SetMemberName(#property_name); \
property_name##_prop->SetMemberType(#property_type); \
AddMemberData(std::move(property_name##_prop));
#endif // UI_VIEWS_METADATA_METADATA_IMPL_MACROS_H_