summaryrefslogtreecommitdiffstats
path: root/src/gvcore/slideshow.h
blob: d2b188d5d858be43fff5d162611afb54950412b4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/*
Gwenview - A simple image viewer for TDE
Copyright 2000-2004 Aur�ien G�eau
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
*/

#ifndef SLIDESHOW_H
#define SLIDESHOW_H

// TQt
#include <tqobject.h>
#include <tqvaluevector.h>

// KDE
#include <kurl.h>
#include "libgwenview_export.h"
class TQTimer;

class TDEConfig;

namespace Gwenview {
class Document;
class ImageLoader;

class LIBGWENVIEW_EXPORT SlideShow : public TQObject
{
TQ_OBJECT
  
public:
	SlideShow(Document* document);
	virtual ~SlideShow();
	
	void start(const KURL::List& urls);
	void stop();

	/** @return true if the slideshow is running */
	bool isRunning() { return mStarted; }

public slots:
	void slotSettingsChanged();

signals:
	void nextURL( const KURL& );
	/**
	 * Slideshow has been started or stopped
	 */
	void stateChanged(bool running);

private slots:
	void slotTimeout();
	void slotLoaded();
	void slotUrlKindDetermined();
	void prefetchDone();

private:
	TQValueVector<KURL>::ConstIterator findNextURL() const;
	void prefetch();
	int timerInterval();

	TQTimer* mTimer;
	Document* mDocument;
	bool mStarted;
	TQValueVector<KURL> mURLs;
	TQValueVector<KURL>::ConstIterator mStartIt;
	ImageLoader* mPrefetch;
	KURL mPriorityURL;
};

} // namespace
#endif // SLIDESHOW_H