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1 YUI.add('swfdetect', function (Y, NAME) { |
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2 |
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3 /** |
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4 * Utility for Flash version detection |
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5 * @module swfdetect |
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6 */ |
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7 |
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8 // Shortcuts and helper methods |
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9 var version = 0, |
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10 uA = Y.UA, |
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11 lG = Y.Lang, |
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12 sF = "ShockwaveFlash", |
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13 mF, eP, vS, ax6, ax; |
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14 |
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15 function makeInt(n) { |
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16 return parseInt(n, 10); |
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17 } |
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18 |
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19 function parseFlashVersion (flashVer) { |
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20 if (lG.isNumber(makeInt(flashVer[0]))) { |
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21 uA.flashMajor = flashVer[0]; |
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22 } |
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23 |
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24 if (lG.isNumber(makeInt(flashVer[1]))) { |
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25 uA.flashMinor = flashVer[1]; |
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26 } |
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27 |
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28 if (lG.isNumber(makeInt(flashVer[2]))) { |
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29 uA.flashRev = flashVer[2]; |
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30 } |
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31 } |
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32 |
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33 if (uA.gecko || uA.webkit || uA.opera) { |
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34 if ((mF = navigator.mimeTypes['application/x-shockwave-flash'])) { |
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35 if ((eP = mF.enabledPlugin)) { |
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36 vS = eP.description.replace(/\s[rd]/g, '.').replace(/[A-Za-z\s]+/g, '').split('.'); |
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37 parseFlashVersion(vS); |
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38 } |
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39 } |
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40 } |
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41 else if(uA.ie) { |
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42 try |
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43 { |
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44 ax6 = new ActiveXObject(sF + "." + sF + ".6"); |
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45 ax6.AllowScriptAccess = "always"; |
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46 } |
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47 catch (e) |
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48 { |
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49 if(ax6 !== null) |
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50 { |
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51 version = 6.0; |
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52 } |
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53 } |
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54 if (version === 0) { |
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55 try |
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56 { |
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57 ax = new ActiveXObject(sF + "." + sF); |
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58 vS = ax.GetVariable("$version").replace(/[A-Za-z\s]+/g, '').split(','); |
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59 parseFlashVersion(vS); |
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60 } catch (e2) {} |
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61 } |
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62 } |
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63 |
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64 /** Create a calendar view to represent a single or multiple |
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65 * month range of dates, rendered as a grid with date and |
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66 * weekday labels. |
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67 * |
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68 * @class SWFDetect |
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69 * @constructor |
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70 */ |
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71 |
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72 |
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73 Y.SWFDetect = { |
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74 |
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75 /** |
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76 * Returns the version of either the Flash Player plugin (in Mozilla/WebKit/Opera browsers), |
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77 * or the Flash Player ActiveX control (in IE), as a String of the form "MM.mm.rr", where |
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78 * MM is the major version, mm is the minor version, and rr is the revision. |
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79 * @method getFlashVersion |
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80 */ |
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81 |
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82 getFlashVersion : function () { |
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83 return (String(uA.flashMajor) + "." + String(uA.flashMinor) + "." + String(uA.flashRev)); |
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84 }, |
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85 |
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86 /** |
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87 * Checks whether the version of the Flash player installed on the user's machine is greater |
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88 * than or equal to the one specified. If it is, this method returns true; it is false otherwise. |
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89 * @method isFlashVersionAtLeast |
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90 * @return {Boolean} Whether the Flash player version is greater than or equal to the one specified. |
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91 * @param flashMajor {Number} The Major version of the Flash player to compare against. |
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92 * @param flashMinor {Number} The Minor version of the Flash player to compare against. |
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93 * @param flashRev {Number} The Revision version of the Flash player to compare against. |
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94 */ |
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95 isFlashVersionAtLeast : function (flashMajor, flashMinor, flashRev) { |
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96 var uaMajor = makeInt(uA.flashMajor), |
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97 uaMinor = makeInt(uA.flashMinor), |
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98 uaRev = makeInt(uA.flashRev); |
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99 |
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100 flashMajor = makeInt(flashMajor || 0); |
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101 flashMinor = makeInt(flashMinor || 0); |
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102 flashRev = makeInt(flashRev || 0); |
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103 |
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104 if (flashMajor === uaMajor) { |
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105 if (flashMinor === uaMinor) { |
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106 return flashRev <= uaRev; |
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107 } |
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108 return flashMinor < uaMinor; |
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109 } |
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110 return flashMajor < uaMajor; |
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111 } |
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112 }; |
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113 |
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114 |
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115 }, '@VERSION@', {"requires": ["yui-base"]}); |