gecko-dev/browser/base/content/search.xml

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XML

<?xml version="1.0"?>
<bindings id="SearchBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:xbl="http://www.mozilla.org/xbl">
<binding id="searchbar" extends="chrome://global/content/widgets/autocomplete.xml#autocomplete">
<implementation>
<constructor><![CDATA[
var pbi = this.mPrefs.QueryInterface(Components.interfaces.nsIPrefBranchInternal);
if (pbi)
pbi.addObserver("browser.search", this.mPrefObserver, false);
if (this.hasAttribute("searchmode"))
updateEngines();
]]></constructor>
<destructor><![CDATA[
var pbi = this.mPrefs.QueryInterface(Components.interfaces.nsIPrefBranchInternal);
if (pbi)
pbi.removeObserver("browser.search", this.mPrefObserver);
]]></destructor>
<field name="mPrefs">
var svc = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService);
svc.getBranch(null);
</field>
<field name="mPrefObserver"><![CDATA[
({
searchBar: this,
observe: function(aObserver, aBlah, aPref) {
if (aPref.indexOf("browser.search") == 0)
this.searchBar.updateEngines();
}
});
]]></field>
<field name="enginesReady">false</field>
<field name="currentSearchId">""</field>
<field name="currentSearchURL">""</field>
<field name="currentSearchName">""</field>
<field name="currentSearchIcon">""</field>
<property name="searchMode"
onget="return this.getAttribute('searchmode');"
onset="this.setAttribute('searchmode', val); return val;"/>
<property name="searchValue" readonly="true">
<getter>
<![CDATA[
if (!this.enginesReady)
this.updateEngines();
const ISEARCH_CONTRACTID = "@mozilla.org/rdf/datasource;1?name=internetsearch";
const nsIInternetSearchService = Components.interfaces.nsIInternetSearchService;
var searchService = Components.classes[ISEARCH_CONTRACTID].getService(nsIInternetSearchService);
if (this.currentSearchURL)
return this.currentSearchURL;
return searchService.GetInternetSearchURL(this.currentSearchId, escape(this.value), 0, 0, {value:0});
]]>
</getter>
</property>
<method name="updateEngines">
<body><![CDATA[
var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"]
.getService(Components.interfaces.nsIRDFService);
try {
var ds = rdf.GetDataSource("rdf:internetsearch");
} catch (ex) {
// sometimes bad profiles cause this error, which horks the searchBar
return;
}
const kNC_Name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
const kNC_Icon = rdf.GetResource("http://home.netscape.com/NC-rdf#Icon");
const kNC_searchBarUrl = rdf.GetResource("http://home.netscape.com/NC-rdf#actionBar");
var defaultEngine = null;
try {
defaultEngine = this.mPrefs.getComplexValue("browser.search.defaultengine",
Components.interfaces.nsISupportsString).data;
} catch(ex) {
this.ensureDefaultEnginePrefs(rdf, ds);
defaultEngine = this.mPrefs.getComplexValue("browser.search.defaultengine",
Components.interfaces.nsISupportsString).data;
}
if (defaultEngine) {
if (ds) {
var res = rdf.GetResource(defaultEngine);
try {
this.currentSearchURL = this.readRDFString(ds, res, kNC_searchBarUrl);
} catch(ex) { }
this.currentSearchId = res.Value;
this.currentSearchName = this.readRDFString(ds, res, kNC_Name);
this.currentSearchIcon = this.readRDFString(ds, res, kNC_Icon);
if (this.firstChild && this.firstChild.localName == "image");
this.firstChild.setAttribute("src", this.currentSearchIcon);
}
}
this.enginesReady = true;
]]></body>
</method>
<method name="ensureDefaultEnginePrefs">
<parameter name="aRDF"/>
<parameter name="aDS"/>
<body><![CDATA[
var defaultName = this.mPrefs.getComplexValue("browser.search.defaultenginename",
Components.interfaces.nsIPrefLocalizedString).data;
const kNC_Root = aRDF.GetResource("NC:SearchEngineRoot");
const kNC_child = aRDF.GetResource("http://home.netscape.com/NC-rdf#child");
const kNC_Name = aRDF.GetResource("http://home.netscape.com/NC-rdf#Name");
var arcs = aDS.GetTargets(kNC_Root, kNC_child, true);
while (arcs.hasMoreElements()) {
var engineRes = arcs.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
var name = this.readRDFString(aDS, engineRes, kNC_Name);
if (name == defaultName) {
var str = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(Components.interfaces.nsISupportsString);
str.data = engineRes.Value;
this.mPrefs.setComplexValue("browser.search.defaultengine",
Components.interfaces.nsISupportsString,
str);
}
}
]]></body>
</method>
<method name="readRDFString">
<parameter name="aDS"/>
<parameter name="aRes"/>
<parameter name="aProp"/>
<body><![CDATA[
var n = aDS.GetTarget(aRes, aProp, true);
return n ? n.QueryInterface(Components.interfaces.nsIRDFLiteral).Value : null;
]]></body>
</method>
</implementation>
</binding>
</bindings>