gecko-dev/xpcom/sample/nsSample.js

87 строки
2.9 KiB
JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
function mySample() {
/* use this to execute code a la C++'s SetValue */
this.value getter= function () {
dump ("Getting value\n");
return this.val;
};
this.value setter= function (newval) {
dump("Setting value to " + newval + "\n");
return this.val = newval;
};
}
mySample.prototype.val = "<default value>";
mySample.prototype.writeValue = function (aPrefix) {
dump("mySample::writeValue => " + aPrefix + this.val + "\n");
}
mySample.prototype.poke = function (aValue) {
this.val = aValue;
}
/* until bug 14460 is fixed, must use QueryInterface, not queryInterface */
mySample.prototype.QueryInterface = function(iid) {
if (iid.equals(Components.interfaces.nsISample) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
}
var myModule = {
RegisterSelf:function (compMgr, fileSpec, location) {
dump("RegisterSelf(" + Array.prototype.join.apply(arguments, ",") +
")\n");
try {
compMgr.registerComponentWithType(this.myCID,
"Sample JS Component",
"mozilla.jssample.1", fileSpec,
location, true, true,
"text/javascript");
} catch (e) {
dump(" FAILURE[" + e + "]");
}
dump("RegisterSelf done\n");
},
GetClassObject:function (compMgr, cid, iid) {
dump("GetClassObject(" + Array.prototype.join.apply(arguments, ",") +
")\n");
if (!cid.equals(this.myCID)) {
dump("GetClassObject: CID mismatch:\nmine:\t" + this.myCID +
"\nin:\t" + cid + "\n");
throw Components.results.NS_ERROR_NO_INTERFACE;
}
dump("GetClassObject: have right CID\n");
if (iid.equals(Components.interfaces.nsIFactory)) {
dump("JS: looking for factory (" + iid + ")\n");
return this.myFactory;
}
dump("GetClassObject: IID mismatch:\nfact:\t" +
Components.interfaces.nsIFactory + "\nin:\t" +
iid + "\n");
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
/* CID for this class */
myCID:Components.ID("{dea98e50-1dd1-11b2-9344-8902b4805a2e}"),
/* factory object */
myFactory:{
CreateInstance:function (outer, iid) {
dump ("JS: CreateInstance("
+ Array.prototype.join.apply(arguments, ",") + ")\n");
if (outer != null) {
throw Components.results.NS_ERROR_NO_AGGREGATION;
}
return new mySample();
}
}
};
function NSGetModule(compMgr, fileSpec) {
return myModule;
}