File indexing completed on 2024-04-28 16:08:34

0001 /***************************************************************************
0002  *   Copyright (C) 2013 by Linuxstopmotion contributors;                   *
0003  *   see the AUTHORS file for details.                                     *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020 
0021 #ifndef OBSERVERNOTIFIER_H_
0022 #define OBSERVERNOTIFIER_H_
0023 
0024 #include "src/domain/animation/animationimpl.h"
0025 #include <vector>
0026 
0027 class Observer;
0028 class Frontend;
0029 class ObservableOperation;
0030 class AudioDriver;
0031 class FileNameVisitor;
0032 class Frame;
0033 class Scene;
0034 class Sound;
0035 class WorkspaceFile;
0036 
0037 
0038 class ObserverNotifier : public AnimationImpl {
0039     AnimationImpl* del;
0040     Frontend* frontend;
0041     typedef std::vector<Observer*> observers_t;
0042     observers_t observers;
0043     void doOp(ObservableOperation& oo);
0044 public:
0045     ~ObserverNotifier();
0046     /**
0047      * Constructs a wrapper for another {@ref AnimationImpl} that notifies
0048      * observers of changes and reports errors to the user.
0049      * @param delegate The wrapped {@ref AnimationImpl}. Ownership is passed.
0050      * @param frontend The UI, which is notified of errors and warnings.
0051      * Ownership is not passed. Optional.
0052      */
0053     ObserverNotifier(AnimationImpl* delegate, Frontend* frontend);
0054     void addObserver(Observer* newObserver);
0055     void removeObserver(Observer* o);
0056     void registerFrontend(Frontend* fe);
0057     // derived from AnimationImpl
0058     void clear();
0059     int sceneCount() const;
0060 
0061     void addScene(int where, Scene* newScene);
0062     void addScene(int where);
0063     void preallocateScenes(int count);
0064     Scene* removeScene(int from);
0065     void moveScene(int from, int to);
0066     const Scene* getScene(int which) const;
0067     int frameCount(int scene) const;
0068     void addFrame(int scene, int where, Frame* frame);
0069     void addFrames(int scene, int where,
0070             const std::vector<Frame*>& frames);
0071     void preallocateFrames(int scene, int count);
0072     Frame* removeFrame(int scene, int frame);
0073     void removeFrames(int scene, int frame, int count,
0074             std::vector<Frame*>& out);
0075     void moveFrames(int fromScene, int fromFrame, int frameCount,
0076             int toScene, int toFrame);
0077     void replaceImage(int sceneNumber, int frameNumber,
0078             WorkspaceFile& otherImage);
0079     int soundCount(int scene, int frame) const;
0080     int soundCount() const;
0081     void addSound(int scene, int frame, int soundNumber,
0082             Sound* sound);
0083     const char* setSoundName(int scene, int frame, int soundNumber,
0084             const char* soundName);
0085     Sound* removeSound(int scene, int frame, int soundNumber);
0086     void playSounds(int scene, int frame, AudioDriver* audioDriver) const;
0087     void resync();
0088     void accept(FileNameVisitor& v) const;
0089 };
0090 
0091 #endif /* OBSERVERNOTIFIER_H_ */