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author Henry S. Thompson <ht@inf.ed.ac.uk>
date Sun, 30 Jul 2017 05:36:48 -0400
parents 077b0a0a3e6d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6
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1 <html>
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2 <head><script>
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3 var $wnd = parent;
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4 var $doc = $wnd.document;
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5 var $moduleName, $moduleBase, $entry
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6 ,$stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null
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7 ,$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
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8 // Lightweight metrics
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9 if ($stats) {
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10 var moduleFuncName = location.search.substr(1);
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11 var moduleFunc = $wnd[moduleFuncName];
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12 var moduleName = moduleFunc ? moduleFunc.moduleName : "unknown";
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13 $stats({moduleName:moduleName,sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
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14 }
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15 var $hostedHtmlVersion="2.0";
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16
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17 var gwtOnLoad;
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18 var $hosted = "localhost:9997";
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19
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20 function loadIframe(url) {
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21 var topDoc = window.top.document;
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22
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23 // create an iframe
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24 var iframeDiv = topDoc.createElement("div");
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25 iframeDiv.innerHTML = "<iframe scrolling=no frameborder=0 src='" + url + "'>";
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26 var iframe = iframeDiv.firstChild;
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27
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28 // mess with the iframe style a little
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29 var iframeStyle = iframe.style;
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30 iframeStyle.position = "absolute";
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31 iframeStyle.borderWidth = "0";
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32 iframeStyle.left = "0";
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33 iframeStyle.top = "0";
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34 iframeStyle.width = "100%";
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35 iframeStyle.backgroundColor = "#ffffff";
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36 iframeStyle.zIndex = "1";
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37 iframeStyle.height = "100%";
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38
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39 // update the top window's document's body's style
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40 var hostBodyStyle = window.top.document.body.style;
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41 hostBodyStyle.margin = "0";
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42 hostBodyStyle.height = iframeStyle.height;
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43 hostBodyStyle.overflow = "hidden";
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44
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45 // insert the iframe
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46 topDoc.body.insertBefore(iframe, topDoc.body.firstChild);
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47 }
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48
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49 var ua = navigator.userAgent.toLowerCase();
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50 if (ua.indexOf("gecko") != -1) {
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51 // install eval wrapper on FF to avoid EvalError problem
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52 var __eval = window.eval;
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53 window.eval = function(s) {
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54 return __eval(s);
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55 }
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56 }
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57 if (ua.indexOf("chrome") != -1) {
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58 // work around __gwt_ObjectId appearing in JS objects
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59 var hop = Object.prototype.hasOwnProperty;
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60 Object.prototype.hasOwnProperty = function(prop) {
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61 return prop != "__gwt_ObjectId" && hop.call(this, prop);
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62 };
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63 }
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64
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65 // wrapper to call JS methods, which we need both to be able to supply a
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66 // different this for method lookup and to get the exception back
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67 function __gwt_jsInvoke(thisObj, methodName) {
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68 try {
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69 var args = Array.prototype.slice.call(arguments, 2);
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70 return [0, window[methodName].apply(thisObj, args)];
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71 } catch (e) {
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72 return [1, e];
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73 }
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74 }
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75
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76 var __gwt_javaInvokes = [];
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77 function __gwt_makeJavaInvoke(argCount) {
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78 return __gwt_javaInvokes[argCount] || __gwt_doMakeJavaInvoke(argCount);
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79 }
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80
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81 function __gwt_doMakeJavaInvoke(argCount) {
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82 // IE6 won't eval() anonymous functions except as r-values
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83 var argList = "";
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84 for (var i = 0; i < argCount; i++) {
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85 argList += ",p" + i;
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86 }
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87 var argListNoComma = argList.substring(1);
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88
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89 return eval(
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90 "__gwt_javaInvokes[" + argCount + "] =\n" +
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91 " function(thisObj, dispId" + argList + ") {\n" +
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92 " var result = __static(dispId, thisObj" + argList + ");\n" +
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93 " if (result[0]) {\n" +
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94 " throw result[1];\n" +
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95 " } else {\n" +
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96 " return result[1];\n" +
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97 " }\n" +
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98 " }\n"
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99 );
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100 }
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101
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102 /*
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103 * This is used to create tear-offs of Java methods. Each function corresponds
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104 * to exactly one dispId, and also embeds the argument count. We get the "this"
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105 * value from the context in which the function is being executed.
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106 * Function-object identity is preserved by caching in a sparse array.
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107 */
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108 var __gwt_tearOffs = [];
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109 var __gwt_tearOffGenerators = [];
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110 function __gwt_makeTearOff(proxy, dispId, argCount) {
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111 return __gwt_tearOffs[dispId] || __gwt_doMakeTearOff(dispId, argCount);
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112 }
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113
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114 function __gwt_doMakeTearOff(dispId, argCount) {
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115 return __gwt_tearOffs[dispId] =
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116 (__gwt_tearOffGenerators[argCount] || __gwt_doMakeTearOffGenerator(argCount))(dispId);
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117 }
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118
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119 function __gwt_doMakeTearOffGenerator(argCount) {
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120 // IE6 won't eval() anonymous functions except as r-values
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121 var argList = "";
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122 for (var i = 0; i < argCount; i++) {
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123 argList += ",p" + i;
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124 }
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125 var argListNoComma = argList.substring(1);
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126
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127 return eval(
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128 "__gwt_tearOffGenerators[" + argCount + "] =\n" +
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129 " function(dispId) {\n" +
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130 " return function(" + argListNoComma + ") {\n" +
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131 " var result = __static(dispId, this" + argList + ");\n" +
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132 " if (result[0]) {\n" +
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133 " throw result[1];\n" +
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134 " } else {\n" +
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135 " return result[1];\n" +
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136 " }\n" +
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137 " }\n" +
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138 " }\n"
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139 );
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140 }
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141
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142 function __gwt_makeResult(isException, result) {
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143 return [isException, result];
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144 }
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145
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146 function __gwt_disconnected() {
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147 // Prevent double-invocation.
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148 window.__gwt_disconnected = new Function();
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149 // Do it in a timeout so we can be sure we have a clean stack.
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150 window.setTimeout(__gwt_disconnected_impl, 1);
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151 }
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152
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153 function __gwt_disconnected_impl() {
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154 var topWin = window.top;
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155 var topDoc = topWin.document;
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156 var outer = topDoc.createElement("div");
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157 // Do not insert whitespace or outer.firstChild will get a text node.
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158 outer.innerHTML =
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159 '<div style="position:absolute;z-index:2147483646;left:0px;top:0px;right:0px;bottom:0px;filter:alpha(opacity=75);opacity:0.75;background-color:#000000;"></div>' +
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160 '<div style="position:absolute;z-index:2147483647;left:50px;top:50px;width:600px;color:#FFFFFF;font-family:verdana;">' +
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161 '<div style="font-size:30px;font-weight:bold;">GWT Code Server Disconnected</div>' +
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162 '<p style="font-size:15px;"> Most likely, you closed GWT development mode. Or you might have lost network connectivity. To fix this, try restarting GWT Development Mode and <a style="color: #FFFFFF; font-weight: bold;" href="javascript:location.reload()">REFRESH</a> this page.</p>' +
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163 '</div>'
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164 ;
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165 topDoc.body.appendChild(outer);
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166 var glass = outer.firstChild;
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167 var glassStyle = glass.style;
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168
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169 // Scroll to the top and remove scrollbars.
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170 topWin.scrollTo(0, 0);
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171 if (topDoc.compatMode == "BackCompat") {
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172 topDoc.body.style["overflow"] = "hidden";
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173 } else {
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174 topDoc.documentElement.style["overflow"] = "hidden";
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175 }
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176
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177 // Steal focus.
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178 glass.focus();
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179
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180 if ((navigator.userAgent.indexOf("MSIE") >= 0) && (topDoc.compatMode == "BackCompat")) {
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181 // IE quirks mode doesn't support right/bottom, but does support this.
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182 glassStyle.width = "125%";
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183 glassStyle.height = "100%";
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184 } else if (navigator.userAgent.indexOf("MSIE 6") >= 0) {
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185 // IE6 doesn't have a real standards mode, so we have to use hacks.
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186 glassStyle.width = "125%"; // Get past scroll bar area.
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187 // Nasty CSS; onresize would be better but the outer window won't let us add a listener IE.
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188 glassStyle.setExpression("height", "document.documentElement.clientHeight");
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189 }
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190 }
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191
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192 function findPluginObject() {
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193 try {
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194 return document.getElementById('pluginObject');
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195 } catch (e) {
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196 return null;
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197 }
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198 }
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199
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200 function findPluginEmbed() {
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201 try {
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202 return document.getElementById('pluginEmbed')
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203 } catch (e) {
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204 return null;
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205 }
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206 }
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207
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208 function findPluginXPCOM() {
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diff changeset
209 try {
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210 return __gwt_HostedModePlugin;
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211 } catch (e) {
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diff changeset
212 return null;
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213 }
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parents:
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214 }
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diff changeset
215
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diff changeset
216 gwtOnLoad = function(errFn, modName, modBase){
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217 $moduleName = modName;
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218 $moduleBase = modBase;
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219
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220 // Note that the order is important
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221 var pluginFinders = [
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222 findPluginXPCOM,
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223 findPluginObject,
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parents:
diff changeset
224 findPluginEmbed,
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diff changeset
225 ];
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diff changeset
226 var topWin = window.top;
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227 var url = topWin.location.href;
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diff changeset
228 if (!topWin.__gwt_SessionID) {
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diff changeset
229 var ASCII_EXCLAMATION = 33;
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diff changeset
230 var ASCII_TILDE = 126;
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parents:
diff changeset
231 var chars = [];
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diff changeset
232 for (var i = 0; i < 16; ++i) {
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diff changeset
233 chars.push(Math.floor(ASCII_EXCLAMATION
077b0a0a3e6d remaining originals according to dependency walk
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diff changeset
234 + Math.random() * (ASCII_TILDE - ASCII_EXCLAMATION + 1)));
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diff changeset
235 }
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diff changeset
236 topWin.__gwt_SessionID = String.fromCharCode.apply(null, chars);
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diff changeset
237 }
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diff changeset
238 var plugin = null;
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diff changeset
239 for (var i = 0; i < pluginFinders.length; ++i) {
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parents:
diff changeset
240 try {
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diff changeset
241 var maybePlugin = pluginFinders[i]();
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parents:
diff changeset
242 if (maybePlugin != null && maybePlugin.init(window)) {
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parents:
diff changeset
243 plugin = maybePlugin;
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parents:
diff changeset
244 break;
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diff changeset
245 }
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parents:
diff changeset
246 } catch (e) {
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diff changeset
247 }
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parents:
diff changeset
248 }
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parents:
diff changeset
249 if (!plugin) {
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parents:
diff changeset
250 // try searching for a v1 plugin for backwards compatibility
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parents:
diff changeset
251 var found = false;
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diff changeset
252 for (var i = 0; i < pluginFinders.length; ++i) {
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diff changeset
253 try {
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diff changeset
254 plugin = pluginFinders[i]();
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diff changeset
255 if (plugin != null && plugin.connect($hosted, $moduleName, window)) {
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parents:
diff changeset
256 return;
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diff changeset
257 }
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parents:
diff changeset
258 } catch (e) {
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diff changeset
259 }
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diff changeset
260 }
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parents:
diff changeset
261 loadIframe("http://gwt.google.com/missing-plugin");
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parents:
diff changeset
262 } else {
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diff changeset
263 if (plugin.connect(url, topWin.__gwt_SessionID, $hosted, $moduleName,
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parents:
diff changeset
264 $hostedHtmlVersion)) {
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parents:
diff changeset
265 window.onUnload = function() {
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parents:
diff changeset
266 try {
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parents:
diff changeset
267 // wrap in try/catch since plugins are not required to supply this
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diff changeset
268 plugin.disconnect();
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parents:
diff changeset
269 } catch (e) {
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diff changeset
270 }
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parents:
diff changeset
271 };
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parents:
diff changeset
272 } else {
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parents:
diff changeset
273 if (errFn) {
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parents:
diff changeset
274 errFn(modName);
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diff changeset
275 } else {
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diff changeset
276 alert("Plugin failed to connect to hosted mode server at " + $hosted);
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diff changeset
277 loadIframe("http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM");
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parents:
diff changeset
278 }
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
279 }
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
280 }
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
281 }
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parents:
diff changeset
282
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parents:
diff changeset
283 window.onunload = function() {
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diff changeset
284 };
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parents:
diff changeset
285
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parents:
diff changeset
286 // Lightweight metrics
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parents:
diff changeset
287 window.fireOnModuleLoadStart = function(className) {
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parents:
diff changeset
288 $stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'onModuleLoadStart', className:className});
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Robert Boland <robert@markup.co.uk>
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289 };
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290
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291 window.__gwt_module_id = 0;
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292 </script></head>
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293 <body>
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294 <font face='arial' size='-1'>This html file is for hosted mode support.</font>
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295 <script><!--
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296 // Lightweight metrics
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297 $stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'moduleEvalEnd'});
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298
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299 // OOPHM currently only supports IFrameLinker
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300 var query = parent.location.search;
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301 if (!findPluginXPCOM()) {
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302 document.write('<embed id="pluginEmbed" type="application/x-gwt-hosted-mode" width="10" height="10">');
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303 document.write('</embed>');
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304 document.write('<object id="pluginObject" CLASSID="CLSID:1D6156B6-002B-49E7-B5CA-C138FB843B4E">');
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305 document.write('</object>');
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306 }
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307
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308 // look for the old query parameter if we don't find the new one
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309 var idx = query.indexOf("gwt.codesvr=");
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310 if (idx >= 0) {
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311 idx += 12; // "gwt.codesvr=".length() == 12
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312 } else {
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313 idx = query.indexOf("gwt.hosted=");
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314 if (idx >= 0) {
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315 idx += 11; // "gwt.hosted=".length() == 11
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316 }
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317 }
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318 if (idx >= 0) {
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319 var amp = query.indexOf("&", idx);
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320 if (amp >= 0) {
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321 $hosted = query.substring(idx, amp);
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322 } else {
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323 $hosted = query.substring(idx);
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324 }
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325
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326 // According to RFC 3986, some of this component's characters (e.g., ':')
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327 // are reserved and *may* be escaped.
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328 $hosted = decodeURIComponent($hosted);
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329 }
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330
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331 query = window.location.search.substring(1);
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332 if (query && $wnd[query]) setTimeout($wnd[query].onScriptLoad, 1);
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333 --></script></body></html>