third_party/blink/renderer/platform/blob/blob_registry.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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_BLOB_REGISTRY_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_BLOB_REGISTRY_H_

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"

namespace blink {

class BlobDataHandle;
class BlobURLRegistry;
class KURL;
class SecurityOrigin;

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

  // Calling methods in this class directly won't work when Blob URL management
  // is switched to mojo. Instead code should call PublicURLManager methods to
  // create/revoke blob URLs.
  // To avoid new usage of these methods, mark all as private with friends for
  // existing usage.
 private:
  friend class BlobURLRegistry;

  // Methods for controlling Blob URLs.
  static void RegisterPublicBlobURL(SecurityOrigin*,
                                    const KURL&,
                                    scoped_refptr<BlobDataHandle>);
  static void RevokePublicBlobURL(const KURL&);
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_BLOB_REGISTRY_H_