public/platform/WebContentDecryptionModuleSession.h

/*
 * 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#ifndef WebContentDecryptionModuleSession_h
#define WebContentDecryptionModuleSession_h

namespace WebKit {

class WebString;
class WebURL;

class WebContentDecryptionModuleSession {
public:
    class Client {
    public:
        enum MediaKeyErrorCode {
            MediaKeyErrorCodeUnknown = 1,
            MediaKeyErrorCodeClient,
        };

        virtual void keyAdded() = 0;
        virtual void keyError(MediaKeyErrorCode, unsigned long systemCode) = 0;
        virtual void keyMessage(const unsigned char* message, size_t messageLength, const WebKit::WebURL& destinationURL) = 0;

    protected:
        virtual ~Client() { }
    };

    virtual ~WebContentDecryptionModuleSession() { }

    virtual WebString sessionId() const = 0;
    virtual void generateKeyRequest(const WebString& mimeType, const unsigned char* initData, size_t initDataLength) = 0;
    virtual void update(const unsigned char* key, size_t keyLength) = 0;
    virtual void close() = 0;
};

} // namespace WebKit

#endif // WebContentDecryptionModuleSession_h