1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX 25*b1cdbd2cSJim Jagielski #define INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include <boost/shared_ptr.hpp> 28*b1cdbd2cSJim Jagielski 29*b1cdbd2cSJim Jagielski #include "shape.hxx" 30*b1cdbd2cSJim Jagielski 31*b1cdbd2cSJim Jagielski 32*b1cdbd2cSJim Jagielski namespace slideshow 33*b1cdbd2cSJim Jagielski { 34*b1cdbd2cSJim Jagielski namespace internal 35*b1cdbd2cSJim Jagielski { 36*b1cdbd2cSJim Jagielski /** Represents a shape containing media (video, sound). 37*b1cdbd2cSJim Jagielski 38*b1cdbd2cSJim Jagielski This interface adds media handling methods to a shape. It 39*b1cdbd2cSJim Jagielski allows starting/stopping and pausing playback. 40*b1cdbd2cSJim Jagielski */ 41*b1cdbd2cSJim Jagielski class ExternalMediaShape : public Shape 42*b1cdbd2cSJim Jagielski { 43*b1cdbd2cSJim Jagielski public: 44*b1cdbd2cSJim Jagielski // Animation methods 45*b1cdbd2cSJim Jagielski //------------------------------------------------------------------ 46*b1cdbd2cSJim Jagielski 47*b1cdbd2cSJim Jagielski /** Notify the Shape that it should start with playback 48*b1cdbd2cSJim Jagielski 49*b1cdbd2cSJim Jagielski This method enters playback mode on all registered 50*b1cdbd2cSJim Jagielski views. It makes the media initially visible (for videos). 51*b1cdbd2cSJim Jagielski */ 52*b1cdbd2cSJim Jagielski virtual void play() = 0; 53*b1cdbd2cSJim Jagielski 54*b1cdbd2cSJim Jagielski /** Notify the Shape that it should stop playback 55*b1cdbd2cSJim Jagielski 56*b1cdbd2cSJim Jagielski This method leaves playback mode on all registered 57*b1cdbd2cSJim Jagielski views. The media is then rewound to the start, and 58*b1cdbd2cSJim Jagielski removed from screen (for videos) 59*b1cdbd2cSJim Jagielski */ 60*b1cdbd2cSJim Jagielski virtual void stop() = 0; 61*b1cdbd2cSJim Jagielski 62*b1cdbd2cSJim Jagielski /** Notify the Shape that it should pause playback 63*b1cdbd2cSJim Jagielski 64*b1cdbd2cSJim Jagielski This method stops playback on all registered 65*b1cdbd2cSJim Jagielski views. The media stays visible (for videos) 66*b1cdbd2cSJim Jagielski */ 67*b1cdbd2cSJim Jagielski virtual void pause() = 0; 68*b1cdbd2cSJim Jagielski 69*b1cdbd2cSJim Jagielski /** Query whether the media is currently playing. 70*b1cdbd2cSJim Jagielski */ 71*b1cdbd2cSJim Jagielski virtual bool isPlaying() const = 0; 72*b1cdbd2cSJim Jagielski 73*b1cdbd2cSJim Jagielski /** Set media time in seconds. 74*b1cdbd2cSJim Jagielski 75*b1cdbd2cSJim Jagielski @param fTime 76*b1cdbd2cSJim Jagielski Time in seconds of the media time line, that should now be 77*b1cdbd2cSJim Jagielski presented 78*b1cdbd2cSJim Jagielski */ 79*b1cdbd2cSJim Jagielski virtual void setMediaTime(double fTime) = 0; 80*b1cdbd2cSJim Jagielski }; 81*b1cdbd2cSJim Jagielski 82*b1cdbd2cSJim Jagielski typedef ::boost::shared_ptr< ExternalMediaShape > ExternalMediaShapeSharedPtr; 83*b1cdbd2cSJim Jagielski 84*b1cdbd2cSJim Jagielski } 85*b1cdbd2cSJim Jagielski } 86*b1cdbd2cSJim Jagielski 87*b1cdbd2cSJim Jagielski #endif /* INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX */ 88