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77
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1 /***********
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2 *
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3 * autoplay addon:
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4 *
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5 * - use key-a/p/s to toggle autoplay (in projection mode)
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6 */
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7
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8
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9 Slideshow.playInit = function()
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10 {
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11 this.debug( 'calling playInit()' );
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12
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13 this.playInterval = null;
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14 }
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15
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16 Slideshow.playStart = function()
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17 {
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18 this.debug( 'calling playStart()' );
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19
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20 if( this.settings.mode == 'autoplay' )
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21 this.playToggle();
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22 }
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23
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24
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25 Slideshow.playKeys = function( event, key )
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26 {
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27 this.debug( 'calling playKeys()' );
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28
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29 switch( key.which ) {
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30 case 65: //a
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31 case 80: //p
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32 case 83: //s
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33 this.playToggle();
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34 break;
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35 }
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36 }
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37
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38
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39 // ------------------------------------------------
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40
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41
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42 Slideshow.playWorker = function()
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43 {
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44 this.debug( 'calling playWorker()' );
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45
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46 // suspend autoplay in outline view (just slideshow view)
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47 if( !this.isProjection )
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48 return;
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49
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50 // next slide/step, please
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51 var csteps = this.steps[this.snum-1]; // current slide steps array
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52
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53 if( !csteps || this.incpos >= csteps.length ) {
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54 if( this.snum >= this.smax )
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55 this.goTo( 1 ); // reached end of show? start with 1st slide again (for endless cycle)
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56 else
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57 this.go(1);
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58 }
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59 else {
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60 this.subgo(1);
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61 }
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62 }
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63
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64
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65 Slideshow.playToggle = function()
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66 {
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67 this.debug( 'calling playToggle()' );
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68
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69 if( this.playInterval )
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70 {
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71 this.debug( 'stopping autoplay' );
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72 clearInterval( this.playInterval );
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73 this.playInterval = null;
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74 }
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75 else
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76 {
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77 this.debug( 'starting autoplay' );
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78 this.playInterval = setInterval( $.proxy( Slideshow.playWorker, this), 2000 );
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79 }
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80 }
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81
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82 // ------------------------------------------------
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83
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84 Slideshow.playAddEvents = function()
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85 {
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86 $( document ).on( 'slideshow.init', $.proxy( Slideshow.playInit, this ));
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87 $( document ).on( 'slideshow.start', $.proxy( Slideshow.playStart, this ));
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88 $( document ).on( 'slideshow.keys', $.proxy( Slideshow.playKeys, this ));
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89 }
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90
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91 Slideshow.playAddEvents(); |
