third_party/WebKit/Source/platform/blob/BlobRegistry.h

/*
 * Copyright (C) 2010 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,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BlobRegistry_h
#define BlobRegistry_h

#include <memory>
#include "platform/PlatformExport.h"
#include "platform/wtf/Allocator.h"
#include "platform/wtf/Forward.h"
#include "platform/wtf/PassRefPtr.h"

namespace blink {

class BlobData;
class BlobDataHandle;
class KURL;
class RawData;
class SecurityOrigin;

// A bridging class for calling blink::WebBlobRegistry methods.
class PLATFORM_EXPORT BlobRegistry {
  STATIC_ONLY(BlobRegistry);

 public:
  // Methods for controlling Blobs.
  static void RegisterBlobData(const String& uuid, std::unique_ptr<BlobData>);
  static void AddBlobDataRef(const String& uuid);
  static void RemoveBlobDataRef(const String& uuid);
  static void RegisterPublicBlobURL(SecurityOrigin*,
                                    const KURL&,
                                    PassRefPtr<BlobDataHandle>);
  static void RevokePublicBlobURL(const KURL&);

  // Methods for controlling Streams.
  static void RegisterStreamURL(const KURL&, const String&);
  static void RegisterStreamURL(SecurityOrigin*,
                                const KURL&,
                                const KURL& src_url);
  static void AddDataToStream(const KURL&, PassRefPtr<RawData>);
  static void FlushStream(const KURL&);
  static void FinalizeStream(const KURL&);
  static void AbortStream(const KURL&);
  static void UnregisterStreamURL(const KURL&);
};

}  // namespace blink

#endif  // BlobRegistry_h