rev 7591 : RT-38074: [macosx] Separate QTKit platform code from core media code so it can be removed for MAS
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   1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.media.jfxmediaimpl.platform;
  27 
  28 import com.sun.media.jfxmedia.Media;
  29 import com.sun.media.jfxmedia.MediaPlayer;
  30 import com.sun.media.jfxmedia.MetadataParser;
  31 import com.sun.media.jfxmedia.locator.Locator;
  32 
  33 /**
  34  * JFXMedia platform interface.
  35  */
  36 public abstract class Platform {
  37     /*
  38      * Get an instance of the platform.
  39      */
  40     public static Platform getPlatformInstance() {
  41         throw new UnsupportedOperationException("Invalid platform class.");
  42     }
  43 
  44     /*
  45      * Loading stages
  46      * preloadPlatform gives the platform a chance to load or check dependencies
  47      * before the main jfxmedia library is loaded. Then loadPlatform is called
  48      * after jfxmedia library is loaded in case the platform has further
  49      * dependencies.
  50      */
  51     public void preloadPlatform() {}
  52 
  53     /**
  54      * @return false if the platform cannot be loaded
  55      */
  56     public boolean loadPlatform() {
  57         return false;
  58     }
  59 
  60     public boolean canPlayContentType(String contentType) {
  61         String[] contentTypes = getSupportedContentTypes();
  62         if (contentTypes != null) {
  63             for (String type : contentTypes) {
  64                 if (type.equalsIgnoreCase(contentType)) {
  65                     return true;
  66                 }
  67             }
  68         }
  69         return false;
  70     }
  71 
  72     // NB: This method returns only content which can actually be PLAYED. It
  73     // does not account for metadata being able to be parsed without the media
  74     // being able to be played.
  75     public String[] getSupportedContentTypes() {
  76         return null;
  77     }
  78 
  79     // XXX javadoc
  80     public MetadataParser createMetadataParser(Locator source) {
  81         return null;
  82     }
  83 
  84     public abstract Media createMedia(Locator source);
  85 
  86     /**
  87      * Prepare for playing the specified media. If the media stream is unsupported
  88      * return null so other platforms may be used, otherwise return an Object
  89      * that gets passed to createMediaPlayer to create the actual player.
  90      */
  91     public abstract Object prerollMediaPlayer(Locator source);
  92     public abstract MediaPlayer createMediaPlayer(Locator source, Object cookie);
  93 }
--- EOF ---