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1 /* |
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2 * FlashObject embed |
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3 * by Geoff Stearns (geoff@deconcept.com, http://www.deconcept.com/) |
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4 * |
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5 * v1.1.1 - 05-17-2005 |
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6 * |
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7 * writes the embed code for a flash movie, includes plugin detection |
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8 * |
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9 * Usage: |
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10 * |
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11 * myFlash = new FlashObject("path/to/swf.swf", "swfid", "width", "height", flashversion, "backgroundcolor"); |
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12 * myFlash.write("objId"); |
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13 * |
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14 * for best practices, see: |
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15 * http://blog.deconcept.com/2005/03/31/proper-flash-embedding-flashobject-best-practices/ |
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16 * |
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17 */ |
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18 |
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19 var FlashObject = function(swf, id, w, h, ver, c) { |
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20 this.swf = swf; |
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21 this.id = id; |
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22 this.width = w; |
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23 this.height = h; |
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24 this.version = ver; |
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25 this.align = "middle"; |
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26 |
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27 this.params = new Object(); |
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28 this.variables = new Object(); |
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29 |
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30 this.redirect = ""; |
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31 this.sq = document.location.search.split("?")[1] || ""; |
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32 this.bypassTxt = "<p>Already have Macromedia Flash Player? <a href='?detectflash=false&"+ this.sq +"'>Click here if you have Flash Player "+ this.version +" installed</a>.</p>"; |
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33 |
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34 if (c) this.color = this.addParam('bgcolor', c); |
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35 this.addParam('quality', 'high'); // default to high |
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36 this.doDetect = getQueryParamValue('detectflash'); |
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37 } |
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38 |
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39 var FOP = FlashObject.prototype; |
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40 |
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41 FOP.addParam = function(name, value) { this.params[name] = value; } |
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42 |
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43 FOP.getParams = function() { return this.params; } |
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44 |
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45 FOP.getParam = function(name) { return this.params[name]; } |
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46 |
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47 FOP.addVariable = function(name, value) { this.variables[name] = value; } |
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48 |
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49 FOP.getVariable = function(name) { return this.variables[name]; } |
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50 |
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51 FOP.getVariables = function() { return this.variables; } |
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52 |
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53 FOP.getParamTags = function() { |
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54 var paramTags = ""; |
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55 for (var param in this.getParams()) { |
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56 paramTags += '<param name="' + param + '" value="' + this.getParam(param) + '" />'; |
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57 } |
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58 return (paramTags == "") ? false:paramTags; |
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59 } |
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60 |
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61 FOP.getHTML = function() { |
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62 var flashHTML = ""; |
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63 if (navigator.plugins && navigator.mimeTypes.length) { // netscape plugin architecture |
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64 flashHTML += '<embed type="application/x-shockwave-flash" src="' + this.swf + '" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '" align="' + this.align + '"'; |
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65 for (var param in this.getParams()) { |
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66 flashHTML += ' ' + param + '="' + this.getParam(param) + '"'; |
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67 } |
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68 if (this.getVariablePairs()) { |
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69 flashHTML += ' flashVars="' + this.getVariablePairs() + '"'; |
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70 } |
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71 flashHTML += '></embed>'; |
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72 } else { // PC IE |
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73 flashHTML += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + this.width + '" height="' + this.height + '" name="' + this.id + '" align="' + this.align + '">'; |
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74 flashHTML += '<param name="movie" value="' + this.swf + '" />'; |
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75 if (this.getParamTags()) { |
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76 flashHTML += this.getParamTags(); |
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77 } |
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78 if (this.getVariablePairs() != null) { |
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79 flashHTML += '<param name="flashVars" value="' + this.getVariablePairs() + '" />'; |
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80 } |
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81 flashHTML += '</object>'; |
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82 } |
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83 return flashHTML; |
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84 } |
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85 |
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86 FOP.getVariablePairs = function() { |
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87 var variablePairs = new Array(); |
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88 for (var name in this.getVariables()) { |
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89 variablePairs.push(name + "=" + escape(this.getVariable(name))); |
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90 } |
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91 return (variablePairs.length > 0) ? variablePairs.join("&"):false; |
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92 } |
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93 |
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94 FOP.write = function(elementId) { |
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95 if(detectFlash(this.version) || this.doDetect=='false') { |
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96 if (elementId) { |
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97 document.getElementById(elementId).innerHTML = this.getHTML(); |
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98 } else { |
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99 document.write(this.getHTML()); |
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100 } |
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101 } else { |
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102 if (this.redirect != "") { |
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103 document.location.replace(this.redirect); |
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104 } else if (this.altTxt) { |
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105 if (elementId) { |
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106 document.getElementById(elementId).innerHTML = this.altTxt +""+ this.bypassTxt; |
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107 } else { |
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108 document.write(this.altTxt +""+ this.bypassTxt); |
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109 } |
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110 } |
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111 } |
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112 } |
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113 |
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114 /* ---- detection functions ---- */ |
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115 function getFlashVersion() { |
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116 var flashversion = 0; |
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117 if (navigator.plugins && navigator.mimeTypes.length) { |
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118 var x = navigator.plugins["Shockwave Flash"]; |
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119 if(x && x.description) { |
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120 var y = x.description; |
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121 flashversion = y.charAt(y.indexOf('.')-1); |
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122 var aux= y.charAt(y.indexOf('.')-2); |
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123 if("0123456789".indexOf(aux)!=-1) flashversion=aux+flashversion; |
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124 } |
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125 } else { |
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126 result = false; |
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127 for(var i = 15; i >= 3 && result != true; i--){ |
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128 execScript('on error resume next: result = IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.'+i+'"))','VBScript'); |
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129 flashversion = i; |
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130 } |
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131 } |
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132 return flashversion; |
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133 } |
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134 |
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135 function detectFlash(ver) { return (getFlashVersion() >= ver) ? true:false; } |
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136 |
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137 // get value of query string param |
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138 function getQueryParamValue(param) { |
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139 var q = document.location.search || document.location.href.split("#")[1]; |
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140 if (q) { |
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141 var detectIndex = q.indexOf(param +"="); |
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142 var endIndex = (q.indexOf("&", detectIndex) > -1) ? q.indexOf("&", detectIndex) : q.length; |
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143 if (q.length > 1 && detectIndex > -1) { |
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144 return q.substring(q.indexOf("=", detectIndex)+1, endIndex); |
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145 } else { |
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146 return ""; |
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147 } |
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148 } |
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149 } |
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150 |
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151 /* add Array.push if needed */ |
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152 if(Array.prototype.push == null){ |
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153 Array.prototype.push = function(item) { this[this.length] = item; return this.length; } |
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154 } |