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const nsISupports = Components.interfaces.nsISupports;
const nsIAutoCompleteResult = Components.interfaces.nsIAutoCompleteResult;
const nsIAutoCompleteSearch = Components.interfaces.nsIAutoCompleteSearch;
const nsIFactory = Components.interfaces.nsIFactory;
const nsIUUIDGenerator = Components.interfaces.nsIUUIDGenerator;
const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
var gDefaultAutoCompleteSearch = null;
/**
* Register 'test-a11y-search' AutoCompleteSearch.
*
* @param aValues [in] set of possible results values
* @param aComments [in] set of possible results descriptions
*/
function initAutoComplete(aValues, aComments)
{
var allResults = new ResultsHeap(aValues, aComments);
gDefaultAutoCompleteSearch =
new AutoCompleteSearch("test-a11y-search", allResults);
registerAutoCompleteSearch(gDefaultAutoCompleteSearch,
"Accessibility Test AutoCompleteSearch");
}
/**
* Unregister 'test-a11y-search' AutoCompleteSearch.
*/
function shutdownAutoComplete()
{
unregisterAutoCompleteSearch(gDefaultAutoCompleteSearch);
gDefaultAutoCompleteSearch.cid = null;
gDefaultAutoCompleteSearch = null;
}
/**
* Register the given AutoCompleteSearch.
*
* @param aSearch [in] AutoCompleteSearch object
* @param aDescription [in] description of the search object
*/
function registerAutoCompleteSearch(aSearch, aDescription)
{
var name = "@mozilla.org/autocomplete/search;1?name=" + aSearch.name;
var uuidGenerator = Components.classes["@mozilla.org/uuid-generator;1"].
getService(nsIUUIDGenerator);
var cid = uuidGenerator.generateUUID();
var componentManager = Components.manager.QueryInterface(nsIComponentRegistrar);
componentManager.registerFactory(cid, aDescription, name, aSearch);
// Keep the id on the object so we can unregister later.
aSearch.cid = cid;
}
/**
* Unregister the given AutoCompleteSearch.
*/
function unregisterAutoCompleteSearch(aSearch)
{
var componentManager = Components.manager.QueryInterface(nsIComponentRegistrar);
componentManager.unregisterFactory(aSearch.cid, aSearch);
}
/**
* A container to keep all possible results of autocomplete search.
*/
function ResultsHeap(aValues, aComments)
{
this.values = aValues;
this.comments = aComments;
}
ResultsHeap.prototype =
{
constructor: ResultsHeap,
/**
* Return AutoCompleteResult for the given search string.
*/
getAutoCompleteResultFor: function(aSearchString)
{
var values = [], comments = [];
for (var idx = 0; idx < this.values.length; idx++) {
if (this.values[idx].indexOf(aSearchString) != -1) {
values.push(this.values[idx]);
comments.push(this.comments[idx]);
}
}
return new AutoCompleteResult(values, comments);
}
}
/**
* nsIAutoCompleteSearch implementation.
*
* @param aName [in] the name of autocomplete search
* @param aAllResults [in] ResultsHeap object
*/
function AutoCompleteSearch(aName, aAllResults)
{
this.name = aName;
this.allResults = aAllResults;
}
AutoCompleteSearch.prototype =
{
constructor: AutoCompleteSearch,
// nsIAutoCompleteSearch implementation
startSearch: function(aSearchString, aSearchParam, aPreviousResult,
aListener)
{
var result = this.allResults.getAutoCompleteResultFor(aSearchString);
aListener.onSearchResult(this, result);
},
stopSearch: function() {},
// nsISupports implementation
QueryInterface: function(iid)
{
if (iid.equals(nsISupports) ||
iid.equals(nsIFactory) ||
iid.equals(nsIAutoCompleteSearch))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
// nsIFactory implementation
createInstance: function(outer, iid)
{
return this.QueryInterface(iid);
},
// Search name. Used by AutoCompleteController.
name: null,
// Results heap.
allResults: null
}
/**
* nsIAutoCompleteResult implementation.
*/
function AutoCompleteResult(aValues, aComments)
{
this.values = aValues;
this.comments = aComments;
if (this.values.length > 0)
this.searchResult = nsIAutoCompleteResult.RESULT_SUCCESS;
else
this.searchResult = nsIAutoCompleteResult.NOMATCH;
}
AutoCompleteResult.prototype =
{
constructor: AutoCompleteResult,
searchString: "",
searchResult: null,
defaultIndex: 0,
get matchCount()
{
return this.values.length;
},
getValueAt: function(aIndex)
{
return this.values[aIndex];
},
getLabelAt: function(aIndex)
{
return this.getValueAt(aIndex);
},
getCommentAt: function(aIndex)
{
return this.comments[aIndex];
},
getStyleAt: function(aIndex)
{
return null;
},
getImageAt: function(aIndex)
{
return "";
},
getFinalCompleteValueAt: function(aIndex)
{
return this.getValueAt(aIndex);
},
removeValueAt: function (aRowIndex, aRemoveFromDb) {},
// nsISupports implementation
QueryInterface: function(iid) {
if (iid.equals(nsISupports) ||
iid.equals(nsIAutoCompleteResult))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
// Data
values: null,
comments: null
}
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