public/platform/WebBlobRegistry.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
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 */

#ifndef WebBlobRegistry_h
#define WebBlobRegistry_h

#include "WebCommon.h"

namespace WebKit {

class WebBlobData;
class WebString;
class WebThreadSafeData;
class WebURL;

class WebBlobRegistry {
public:
    virtual ~WebBlobRegistry() { }

    virtual void registerBlobData(const WebKit::WebString& uuid, const WebKit::WebBlobData&) { }
    virtual void addBlobDataRef(const WebKit::WebString& uuid) { }
    virtual void removeBlobDataRef(const WebKit::WebString& uuid) { }
    virtual void registerPublicBlobURL(const WebKit::WebURL&, const WebKit::WebString& uuid) { }
    virtual void revokePublicBlobURL(const WebKit::WebURL&) { }

    // DEPRECATED - old style blob handling is being replaced
    virtual void registerBlobURL(const WebURL&, WebBlobData&) { }
    virtual void registerBlobURL(const WebURL&, const WebURL& srcURL) { }
    virtual void unregisterBlobURL(const WebURL&) { }

    // Registers a stream URL referring to a stream with the specified media
    // type.
    virtual void registerStreamURL(const WebURL&, const WebString&) { WEBKIT_ASSERT_NOT_REACHED(); }

    // Registers a stream URL referring to the stream identified by the
    // specified srcURL.
    virtual void registerStreamURL(const WebURL&, const WebURL& srcURL) { WEBKIT_ASSERT_NOT_REACHED(); };

    // Add data to the stream referred by the URL.
    virtual void addDataToStream(const WebURL&, WebThreadSafeData&) { WEBKIT_ASSERT_NOT_REACHED(); }

    // Tell the registry that construction of this stream has completed
    // successfully and so it won't receive any more data.
    virtual void finalizeStream(const WebURL&) { WEBKIT_ASSERT_NOT_REACHED(); }

    // Tell the registry that construction of this stream has been aborted and
    // so it won't receive any more data.
    virtual void abortStream(const WebURL&) { WEBKIT_ASSERT_NOT_REACHED(); }

    // Unregisters a stream referred by the URL.
    virtual void unregisterStreamURL(const WebURL&) { WEBKIT_ASSERT_NOT_REACHED(); }
};

} // namespace WebKit

#endif // WebBlobRegistry_h