tdeio/tdeio
previewjob.h
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00024 #ifndef __tdeio_previewjob_h__
00025 #define __tdeio_previewjob_h__
00026
00027 #include <tdefileitem.h>
00028 #include <tdeio/job.h>
00029
00030 class TQPixmap;
00031
00032 namespace TDEIO {
00037 class TDEIO_EXPORT PreviewJob : public TDEIO::Job
00038 {
00039 Q_OBJECT
00040 public:
00057 PreviewJob( const KFileItemList &items, int width, int height,
00058 int iconSize, int iconAlpha, bool scale, bool save,
00059 const TQStringList *enabledPlugins, bool deleteItems = false );
00060 virtual ~PreviewJob();
00061
00068 void removeItem( const KFileItem *item );
00069
00076 void setIgnoreMaximumSize(bool ignoreSize = true);
00077
00084 static TQStringList availablePlugins();
00085
00091 static TQStringList supportedMimeTypes();
00092
00096 virtual void kill( bool quietly = true );
00097
00098 signals:
00105 void gotPreview( const KFileItem *item, const TQPixmap &preview );
00112 void failed( const KFileItem *item );
00113
00114 protected:
00115 void getOrCreateThumbnail();
00116 bool statResultThumbnail();
00117 void createThumbnail( TQString );
00118
00119 protected slots:
00120 virtual void slotResult( TDEIO::Job *job );
00121
00122 private slots:
00123 void startPreview();
00124 void slotThumbData(TDEIO::Job *, const TQByteArray &);
00125
00126 private:
00127 void determineNextFile();
00128 void emitPreview(const TQImage &thumb);
00129 void emitFailed(const KFileItem *item = 0);
00130
00131 protected:
00132 virtual void virtual_hook( int id, void* data );
00133 private:
00134 struct PreviewJobPrivate *d;
00135 };
00136
00157 TDEIO_EXPORT PreviewJob *filePreview( const KFileItemList &items, int width, int height = 0, int iconSize = 0, int iconAlpha = 70, bool scale = true, bool save = true, const TQStringList *enabledPlugins = 0 );
00158
00179 TDEIO_EXPORT PreviewJob *filePreview( const KURL::List &items, int width, int height = 0, int iconSize = 0, int iconAlpha = 70, bool scale = true, bool save = true, const TQStringList *enabledPlugins = 0 );
00180 }
00181
00182 #endif