| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX |
| #define INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX |
| |
| #include <boost/shared_ptr.hpp> |
| |
| #include "shape.hxx" |
| |
| |
| namespace slideshow |
| { |
| namespace internal |
| { |
| /** Represents a shape containing media (video, sound). |
| |
| This interface adds media handling methods to a shape. It |
| allows starting/stopping and pausing playback. |
| */ |
| class ExternalMediaShape : public Shape |
| { |
| public: |
| // Animation methods |
| //------------------------------------------------------------------ |
| |
| /** Notify the Shape that it should start with playback |
| |
| This method enters playback mode on all registered |
| views. It makes the media initially visible (for videos). |
| */ |
| virtual void play() = 0; |
| |
| /** Notify the Shape that it should stop playback |
| |
| This method leaves playback mode on all registered |
| views. The media is then rewound to the start, and |
| removed from screen (for videos) |
| */ |
| virtual void stop() = 0; |
| |
| /** Notify the Shape that it should pause playback |
| |
| This method stops playback on all registered |
| views. The media stays visible (for videos) |
| */ |
| virtual void pause() = 0; |
| |
| /** Query whether the media is currently playing. |
| */ |
| virtual bool isPlaying() const = 0; |
| |
| /** Set media time in seconds. |
| |
| @param fTime |
| Time in seconds of the media time line, that should now be |
| presented |
| */ |
| virtual void setMediaTime(double fTime) = 0; |
| }; |
| |
| typedef ::boost::shared_ptr< ExternalMediaShape > ExternalMediaShapeSharedPtr; |
| |
| } |
| } |
| |
| #endif /* INCLUDED_SLIDESHOW_EXTERNALMEDIASHAPE_HXX */ |