root / trunk / web / dojo / dojox / av / widget / VolumeButton.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.av.widget.VolumeButton"]){ |
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| 9 | dojo._hasResource["dojox.av.widget.VolumeButton"]=true; |
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| 10 | dojo.provide("dojox.av.widget.VolumeButton");
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| 11 | dojo.require("dijit._Widget");
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| 12 | dojo.require("dijit._Templated");
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| 13 | dojo.require("dijit.form.Button");
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| 14 | dojo.declare("dojox.av.widget.VolumeButton",[dijit._Widget,dijit._Templated],{templateString:dojo.cache("dojox.av.widget","resources/VolumeButton.html","<div class=\"Volume\" dojoAttachEvent=\"mousedown:onShowVolume\">\n\t<div class=\"VolumeSlider\" dojoAttachPoint=\"volumeSlider\">\n \t<div class=\"VolumeSliderBack\" dojoAttachPoint=\"volumeSliderBack\"></div>\n \t<div class=\"VolumeSliderHandle\" dojoAttachPoint=\"handle\" dojoAttachEvent=\"mousedown:startDrag, mouseup:endDrag, mouseover:handleOver, mouseout:handleOut\"></div>\t\n </div>\n <div class=\"icon\"></div>\n</div>\n"),postCreate:function(){ |
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| 15 | this.handleWidth=dojo.marginBox(this.handle).w; |
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| 16 | this.width=dojo.marginBox(this.volumeSlider).w; |
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| 17 | this.slotWidth=100; |
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| 18 | dojo.setSelectable(this.handle,false); |
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| 19 | this.volumeSlider=this.domNode.removeChild(this.volumeSlider); |
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| 20 | },setMedia:function(_1){ |
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| 21 | this.media=_1;
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| 22 | this.updateIcon();
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| 23 | },updateIcon:function(_2){ |
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| 24 | _2=(_2===undefined)?this.media.volume():_2; |
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| 25 | if(_2===0){ |
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| 26 | dojo.attr(this.domNode,"class","Volume mute"); |
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| 27 | }else{
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| 28 | if(_2<0.334){ |
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| 29 | dojo.attr(this.domNode,"class","Volume low"); |
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| 30 | }else{
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| 31 | if(_2<0.667){ |
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| 32 | dojo.attr(this.domNode,"class","Volume med"); |
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| 33 | }else{
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| 34 | dojo.attr(this.domNode,"class","Volume high"); |
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| 35 | } |
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| 36 | } |
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| 37 | } |
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| 38 | },onShowVolume:function(_3){ |
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| 39 | if(this.showing==undefined){ |
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| 40 | dojo.body().appendChild(this.volumeSlider);
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| 41 | this.showing=false; |
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| 42 | } |
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| 43 | if(!this.showing){ |
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| 44 | var _4=2; |
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| 45 | var _5=7; |
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| 46 | var _6=this.media.volume(); |
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| 47 | var _7=this._getVolumeDim(); |
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| 48 | var _8=this._getHandleDim(); |
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| 49 | this.x=_7.x-this.width; |
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| 50 | dojo.style(this.volumeSlider,"display",""); |
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| 51 | dojo.style(this.volumeSlider,"top",_7.y+"px"); |
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| 52 | dojo.style(this.volumeSlider,"left",(this.x)+"px"); |
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| 53 | var x=(this.slotWidth*_6); |
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| 54 | dojo.style(this.handle,"top",(_4+(_8.w/2))+"px"); |
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| 55 | dojo.style(this.handle,"left",(x+_5+(_8.h/2))+"px"); |
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| 56 | this.showing=true; |
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| 57 | this.clickOff=dojo.connect(dojo.doc,"onmousedown",this,"onDocClick"); |
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| 58 | }else{
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| 59 | this.onHideVolume();
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| 60 | } |
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| 61 | },onDocClick:function(_9){ |
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| 62 | if(!dojo.isDescendant(_9.target,this.domNode)&&!dojo.isDescendant(_9.target,this.volumeSlider)){ |
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| 63 | this.onHideVolume();
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| 64 | } |
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| 65 | },onHideVolume:function(){ |
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| 66 | this.endDrag();
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| 67 | dojo.style(this.volumeSlider,"display","none"); |
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| 68 | this.showing=false; |
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| 69 | },onDrag:function(_a){ |
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| 70 | var _b=this.handleWidth/2; |
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| 71 | var _c=_b+this.slotWidth; |
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| 72 | var x=_a.clientX-this.x; |
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| 73 | if(x<_b){
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| 74 | x=_b; |
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| 75 | } |
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| 76 | if(x>_c){
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| 77 | x=_c; |
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| 78 | } |
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| 79 | dojo.style(this.handle,"left",(x)+"px"); |
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| 80 | var p=(x-_b)/(_c-_b);
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| 81 | this.media.volume(p);
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| 82 | this.updateIcon(p);
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| 83 | },startDrag:function(){ |
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| 84 | this.isDragging=true; |
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| 85 | this.cmove=dojo.connect(dojo.doc,"mousemove",this,"onDrag"); |
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| 86 | this.cup=dojo.connect(dojo.doc,"mouseup",this,"endDrag"); |
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| 87 | },endDrag:function(){ |
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| 88 | this.isDragging=false; |
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| 89 | if(this.cmove){ |
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| 90 | dojo.disconnect(this.cmove);
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| 91 | } |
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| 92 | if(this.cup){ |
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| 93 | dojo.disconnect(this.cup);
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| 94 | } |
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| 95 | this.handleOut();
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| 96 | },handleOver:function(){ |
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| 97 | dojo.addClass(this.handle,"over"); |
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| 98 | },handleOut:function(){ |
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| 99 | if(!this.isDragging){ |
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| 100 | dojo.removeClass(this.handle,"over"); |
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| 101 | } |
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| 102 | },_getVolumeDim:function(){ |
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| 103 | if(this._domCoords){ |
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| 104 | return this._domCoords; |
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| 105 | } |
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| 106 | this._domCoords=dojo.coords(this.domNode); |
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| 107 | return this._domCoords; |
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| 108 | },_getHandleDim:function(){ |
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| 109 | if(this._handleCoords){ |
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| 110 | return this._handleCoords; |
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| 111 | } |
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| 112 | this._handleCoords=dojo.marginBox(this.handle); |
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| 113 | return this._handleCoords; |
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| 114 | },onResize:function(_d){ |
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| 115 | this.onHideVolume();
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| 116 | this._domCoords=null; |
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| 117 | }}); |
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| 118 | } |