third_party/WebKit/public/platform/WebMediaPlayerEncryptedMediaClient.h

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef WebMediaPlayerEncryptedMediaClient_h
  32 #define WebMediaPlayerEncryptedMediaClient_h
  33
  34 #include "WebCommon.h"
  35 #include "WebEncryptedMediaTypes.h"
  36
  37 namespace blink {
  38
  39 class WebString;
  40 class WebURL;
  41
  42 class BLINK_PLATFORM_EXPORT WebMediaPlayerEncryptedMediaClient {
  43 public:
  44     enum MediaKeyErrorCode {
  45         MediaKeyErrorCodeUnknown = 1,
  46         MediaKeyErrorCodeClient,
  47         MediaKeyErrorCodeService,
  48         MediaKeyErrorCodeOutput,
  49         MediaKeyErrorCodeHardwareChange,
  50         MediaKeyErrorCodeDomain
  51     };
  52
  53     virtual void keyAdded(const WebString& keySystem, const WebString& sessionId) = 0;
  54     virtual void keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode) = 0;
  55     virtual void keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL) = 0;
  56     virtual void encrypted(WebEncryptedMediaInitDataType, const unsigned char* initData, unsigned initDataLength) = 0;
  57     virtual void didBlockPlaybackWaitingForKey() = 0;
  58     virtual void didResumePlaybackBlockedForKey() = 0;
  59
  60 protected:
  61     ~WebMediaPlayerEncryptedMediaClient() { }
  62 };
  63
  64 } // namespace blink
  65
  66 #endif