text: /*
   * Copyright (C) 2013 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_RESOURCE_PROGRESS_EVENT_H_
  #define THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_RESOURCE_PROGRESS_EVENT_H_
  
  #include "third_party/blink/renderer/core/core_export.h"
  #include "third_party/blink/renderer/core/events/progress_event.h"
  
  namespace blink {
  
  // ResourceProgressEvent is a non-standard class that is simply a ProgressEvent
  // with an additional read-only "url" property containing a string URL. This is
  // used by the Chromium NaCl integration to indicate to which resource the
  // event applies. This is useful because the NaCl integration will download
  // (and translate in the case of PNaCl) multiple binary files. It is not
  // constructable by web content at all, and so does not provide the usual
  // EventInit pattern for Event construction.
  class CORE_EXPORT ResourceProgressEvent final : public ProgressEvent {
    DEFINE_WRAPPERTYPEINFO();
  
   public:
    static ResourceProgressEvent* Create(const AtomicString& type,
                                         bool length_computable,
                                         uint64_t loaded,
                                         uint64_t total,
                                         const String& url) {
      return MakeGarbageCollected<ResourceProgressEvent>(type, length_computable,
                                                         loaded, total, url);
    }
  
    ResourceProgressEvent(const AtomicString& type,
                          bool length_computable,
                          uint64_t loaded,
                          uint64_t total,
                          const String& url);
  
    const String& url() const;
  
    const AtomicString& InterfaceName() const override;
  
    void Trace(blink::Visitor*) override;
  
   private:
    String url_;
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_RESOURCE_PROGRESS_EVENT_H_
  