1*aaef562fSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*aaef562fSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*aaef562fSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*aaef562fSAndrew Rist * distributed with this work for additional information 6*aaef562fSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*aaef562fSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*aaef562fSAndrew Rist * "License"); you may not use this file except in compliance 9*aaef562fSAndrew Rist * with the License. You may obtain a copy of the License at 10*aaef562fSAndrew Rist * 11*aaef562fSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*aaef562fSAndrew Rist * 13*aaef562fSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*aaef562fSAndrew Rist * software distributed under the License is distributed on an 15*aaef562fSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*aaef562fSAndrew Rist * KIND, either express or implied. See the License for the 17*aaef562fSAndrew Rist * specific language governing permissions and limitations 18*aaef562fSAndrew Rist * under the License. 19*aaef562fSAndrew Rist * 20*aaef562fSAndrew Rist *************************************************************/ 21*aaef562fSAndrew Rist 22*aaef562fSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX 25cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include "shape.hxx" 30cdf0e10cSrcweir 31cdf0e10cSrcweir 32cdf0e10cSrcweir namespace slideshow 33cdf0e10cSrcweir { 34cdf0e10cSrcweir namespace internal 35cdf0e10cSrcweir { 36cdf0e10cSrcweir /** Represents a shape containing media (video, sound). 37cdf0e10cSrcweir 38cdf0e10cSrcweir This interface adds media handling methods to a shape. It 39cdf0e10cSrcweir allows starting/stopping and pausing playback. 40cdf0e10cSrcweir */ 41cdf0e10cSrcweir class ExternalMediaShape : public Shape 42cdf0e10cSrcweir { 43cdf0e10cSrcweir public: 44cdf0e10cSrcweir // Animation methods 45cdf0e10cSrcweir //------------------------------------------------------------------ 46cdf0e10cSrcweir 47cdf0e10cSrcweir /** Notify the Shape that it should start with playback 48cdf0e10cSrcweir 49cdf0e10cSrcweir This method enters playback mode on all registered 50cdf0e10cSrcweir views. It makes the media initially visible (for videos). 51cdf0e10cSrcweir */ 52cdf0e10cSrcweir virtual void play() = 0; 53cdf0e10cSrcweir 54cdf0e10cSrcweir /** Notify the Shape that it should stop playback 55cdf0e10cSrcweir 56cdf0e10cSrcweir This method leaves playback mode on all registered 57cdf0e10cSrcweir views. The media is then rewound to the start, and 58cdf0e10cSrcweir removed from screen (for videos) 59cdf0e10cSrcweir */ 60cdf0e10cSrcweir virtual void stop() = 0; 61cdf0e10cSrcweir 62cdf0e10cSrcweir /** Notify the Shape that it should pause playback 63cdf0e10cSrcweir 64cdf0e10cSrcweir This method stops playback on all registered 65cdf0e10cSrcweir views. The media stays visible (for videos) 66cdf0e10cSrcweir */ 67cdf0e10cSrcweir virtual void pause() = 0; 68cdf0e10cSrcweir 69cdf0e10cSrcweir /** Query whether the media is currently playing. 70cdf0e10cSrcweir */ 71cdf0e10cSrcweir virtual bool isPlaying() const = 0; 72cdf0e10cSrcweir 73cdf0e10cSrcweir /** Set media time in seconds. 74cdf0e10cSrcweir 75cdf0e10cSrcweir @param fTime 76cdf0e10cSrcweir Time in seconds of the media time line, that should now be 77cdf0e10cSrcweir presented 78cdf0e10cSrcweir */ 79cdf0e10cSrcweir virtual void setMediaTime(double fTime) = 0; 80cdf0e10cSrcweir }; 81cdf0e10cSrcweir 82cdf0e10cSrcweir typedef ::boost::shared_ptr< ExternalMediaShape > ExternalMediaShapeSharedPtr; 83cdf0e10cSrcweir 84cdf0e10cSrcweir } 85cdf0e10cSrcweir } 86cdf0e10cSrcweir 87cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX */ 88