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      1 /*
      2  * Copyright (C) 2009 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 WebMediaPlayerClient_h
     32 #define WebMediaPlayerClient_h
     33 
     34 #include "WebMediaPlayer.h"
     35 
     36 namespace WebKit {
     37 
     38 class WebFrame;
     39 class WebInbandTextTrack;
     40 class WebLayer;
     41 class WebMediaSource;
     42 class WebPlugin;
     43 class WebRequest;
     44 class WebURL;
     45 
     46 class WebMediaPlayerClient {
     47 public:
     48     enum MediaKeyErrorCode {
     49         MediaKeyErrorCodeUnknown = 1,
     50         MediaKeyErrorCodeClient,
     51         MediaKeyErrorCodeService,
     52         MediaKeyErrorCodeOutput,
     53         MediaKeyErrorCodeHardwareChange,
     54         MediaKeyErrorCodeDomain,
     55     };
     56 
     57     virtual void networkStateChanged() = 0;
     58     virtual void readyStateChanged() = 0;
     59     virtual void timeChanged() = 0;
     60     virtual void repaint() = 0;
     61     virtual void durationChanged() = 0;
     62     virtual void sizeChanged() = 0;
     63     virtual void setOpaque(bool) = 0;
     64     virtual double volume() const = 0;
     65     virtual void playbackStateChanged() = 0;
     66     virtual WebMediaPlayer::Preload preload() const = 0;
     67     virtual void keyAdded(const WebString& keySystem, const WebString& sessionId) = 0;
     68     virtual void keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode) = 0;
     69     virtual void keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL) = 0;
     70     virtual void keyNeeded(const WebString& keySystem, const WebString& sessionId, const unsigned char* initData, unsigned initDataLength) = 0;
     71     // The returned pointer is valid until closeHelperPlugin() is called.
     72     // Returns 0 if the plugin could not be instantiated.
     73     virtual WebPlugin* createHelperPlugin(const WebString& pluginType, WebFrame*) = 0;
     74     // FIXME: Remove this override when Chromium is updated to use closeHelperPluginSoon().
     75     virtual void closeHelperPlugin() = 0;
     76     virtual void closeHelperPluginSoon(WebFrame*) = 0;
     77     virtual bool needsWebLayerForVideo() const = 0;
     78     virtual void setWebLayer(WebLayer*) = 0;
     79     virtual void addTextTrack(WebInbandTextTrack*) = 0;
     80     virtual void removeTextTrack(WebInbandTextTrack*) = 0;
     81 
     82 protected:
     83     ~WebMediaPlayerClient() { }
     84 };
     85 
     86 } // namespace WebKit
     87 
     88 #endif
     89