/*
 * Copyright 2015 Google Inc. 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_URL_H_
#define COBALT_DOM_URL_H_

#include <string>

#include "cobalt/dom/media_source.h"
#include "cobalt/script/environment_settings.h"
#include "cobalt/script/wrappable.h"

namespace cobalt {
namespace dom {

// The URL interface contains static functions CreateObjectURL() and
// RevokeObjectURL().  The former is used to create urls in string from
// JavaScript blob objects.  The latter is used to revoke the url.
//   https://www.w3.org/TR/2015/WD-FileAPI-20150421/#URL-object
//
// The Media Source Extension extends it to create an url from a MediaSource
// object so we can assign it to HTMLMediaElement.src.
//   https://rawgit.com/w3c/media-source/cfb1b3d4309a6e6e2c01bd87e048758172a86e4b/media-source.html#dom-createobjecturl
//
// Note: We only implemented the MediaSource related functions as they are all
// what we need for Cobalt.
class URL : public script::Wrappable {
 public:
  static std::string CreateObjectURL(
      script::EnvironmentSettings* environment_settings,
      const scoped_refptr<MediaSource>& media_source);
  static void RevokeObjectURL(script::EnvironmentSettings* environment_settings,
                              const std::string& url);

  DEFINE_WRAPPABLE_TYPE(URL);
};

}  // namespace dom
}  // namespace cobalt

#endif  // COBALT_DOM_URL_H_