blob: 8e598f0c75ba46804a3b27c5c450f1d9fb36eab2 [file] [log] [blame]
// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_CUSTOM_EVENT_H_
#define COBALT_DOM_CUSTOM_EVENT_H_
#include <memory>
#include <string>
#include "cobalt/dom/custom_event_init.h"
#include "cobalt/dom/event.h"
#include "cobalt/script/value_handle.h"
namespace cobalt {
namespace dom {
// Events using the CustomEvent interface can be used to carry custom data.
// https://www.w3.org/TR/2015/REC-dom-20151119/#customevent
class CustomEvent : public Event {
public:
explicit CustomEvent(const std::string& type) : Event(type) {}
CustomEvent(const std::string& type, const CustomEventInit& init_dict)
: Event(type, init_dict) {
set_detail(init_dict.detail());
}
// Creates an event with its "initialized flag" unset.
explicit CustomEvent(UninitializedFlag uninitialized_flag)
: Event(uninitialized_flag) {}
// Web API: CustomEvent
//
void InitCustomEvent(const std::string& type, bool bubbles, bool cancelable,
const script::ValueHandleHolder& detail) {
InitEvent(type, bubbles, cancelable);
set_detail(&detail);
}
void set_detail(const script::ValueHandleHolder* detail) {
if (detail) {
detail_.reset(new script::ValueHandleHolder::Reference(this, *detail));
} else {
detail_.reset();
}
}
const script::ValueHandleHolder* detail() const {
if (!detail_) {
return NULL;
}
return &(detail_->referenced_value());
}
DEFINE_WRAPPABLE_TYPE(CustomEvent);
protected:
~CustomEvent() override {}
std::unique_ptr<script::ValueHandleHolder::Reference> detail_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_CUSTOM_EVENT_H_