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bootstrap.js
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bootstrap.js
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MIT/X11 License
*
* Copyright (c) 2011 Girish Sharma
*
* Permission is hereby granted, free of charge, to any person obtaining copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Contributor:
* Girish Sharma <[email protected]> (Creator)
* Edward Lee <[email protected]>
* Erik Vold <[email protected]>
*
* ***** END LICENSE BLOCK ***** */
const {classes: Cc, interfaces: Ci, manager: Cm, utils: Cu} = Components;
const global = this;
Cu.import("resource://gre/modules/AddonManager.jsm");
Cu.import("resource://gre/modules/PlacesUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
// Keep track of the type of suggestion made
let suggestedByOrder = false;
// Keep track of what is being queried
let currentQuery = "";
let suggestionIndex = 0;
let justCompleted = false;
// Keep track of suggestions based on current query/ref/params
let suggestions = [];
let orderedSuggestions = [];
// Keep a sorted list of keywords to suggest
let sortedKeywords = [];
// Keep an ordered list of keywords to suggest
let orderedKeywords = [];
// Keep track of bookmarks Keywords list for better search suggestion
let bookmarksKeywords = [];
// Keep track of search suggestion and the current search term
let searchSuggestionDisplayed = false, currentSearchTerm = "";
// Global link to worker
let worker = null;
// Global variables to keep track of keyboard movements
let hasMoved, hasDeleted, userInput;
// Global results arrays
let results = [], startingIndex = 100, origItemStyle, deleteLastOnBackspace;
// Track if to open link to the changelog post.
let openSite = false;
// Global whitelisted regular expressions.
let whitelistedRegex = [];
// Lookup a keyword to suggest for the provided query
function getKeyword(query) {
let beforeParts,afterIndex,ordered_Keywords;
function getAfter() {
beforeParts = before.split(" ").filter(function(part) {
return part.length > 0;
});
afterIndex = orderedSuggestions.indexOf(beforeParts.slice(-1)[0]) + 1;
// Check if that word is already displayed
while (beforeParts.indexOf(orderedSuggestions[afterIndex]) != -1
&& afterIndex < orderedSuggestions.length)
afterIndex++;
// Return if we don't have anything relevant to suggest
if (afterIndex >= orderedSuggestions.length)
return;
// Now that we have a word to display
suggestedByOrder = true;
return orderedSuggestions[afterIndex];
}
suggestedByOrder = false;
// Remember the original query to preserve its original casing
let origQuery = query;
// Split the query into before and after the last space
let lastStart = query.lastIndexOf(" ") + 1;
let before = query.slice(0, lastStart);
// Suggest keywords for the last word of the query
query = query.slice(lastStart).toLowerCase();
// Suggest the next word from ordered keywords if possible
if (query == "" && before != "" && orderedSuggestions.length > 1)
return origQuery + (before + getAfter()).slice(origQuery.length);
// Try to build up ordered keyowrd list
else if (query == "" && before != "") {
// get a local reference to ordered keywords and select the matching set
ordered_Keywords = orderedKeywords;
beforeParts = before.split(" ").filter(function(part) {
return part.length > 0;
});
ordered_Keywords.some(function(parts) {
let divider = parts.indexOf(beforeParts.slice(-1)[0]);
if (divider != -1) {
orderedSuggestions = parts.slice(divider);
return true;
}
});
if (orderedSuggestions.length > 1)
return origQuery + (before + getAfter()).slice(origQuery.length);
else
return;
}
// Don't suggest a keyword when not possible
else if (query == "")
return;
// If this is same as currentQuery, then just return the next result
if (origQuery == currentQuery) {
let keyword = (suggestions.length > 0
?suggestions[suggestionIndex%suggestions.length]:"");
if (before == "" && keyword != "") {
ordered_Keywords = orderedKeywords;
ordered_Keywords.some(function(parts) {
if (parts.indexOf(keyword) != -1) {
orderedSuggestions = parts.slice(parts.indexOf(keyword));
return true;
}
});
}
return origQuery + (before + keyword).slice(origQuery.length);
}
else
currentQuery = origQuery;
if (before != "") {
// get a local reference to ordered keywords and select the matching set
ordered_Keywords = orderedKeywords;
beforeParts = before.split(" ").filter(function(part) {
return part.length > 0;
});
if (orderedSuggestions[0] != beforeParts.slice(-1)[0]) {
orderedSuggestions.length = 0;
ordered_Keywords.some(function(parts) {
let divider = parts.indexOf(beforeParts.slice(-1)[0]);
if (divider != -1) {
orderedSuggestions = parts.slice(divider);
return true;
}
});
}
}
else
// Empty the ordered suggestions
orderedSuggestions.length = 0;
// Get a local keywords reference and ignore domains for multi-word
let keywords = orderedSuggestions.concat(sortedKeywords);
if (before != "")
keywords = keywords.filter(function(word) word.indexOf(".") == -1);
// Find the first keyword that matches the beginning of the query
let queryLen = query.length;
let sortedLen = keywords.length;
suggestions = [];
for (let i = 0; i < sortedLen; i++) {
let keyword = keywords[i];
if (keyword.slice(0, queryLen) == query)
if (suggestions.indexOf(keyword) == -1)
suggestions.push(keyword);
if (suggestions.length == 5)
break;
}
if (suggestions.length > 0 && before == "") {
ordered_Keywords = orderedKeywords;
ordered_Keywords.some(function(parts) {
if (parts.indexOf(suggestions[0].trim()) != -1) {
orderedSuggestions = parts.slice(parts.indexOf(suggestions[0]));
return true;
}
});
}
return origQuery +
(suggestions.length > 0?(before + suggestions[0]).slice(origQuery.length):"");
}
// Automatically suggest a keyword when typing in the location bar
function addKeywordSuggestions(window) {
let {gURLBar} = window;
let async = makeWindowHelpers(window).async;
let deleting = false;
// Look for deletes to handle them better on input
listen(window, gURLBar, "keypress", function(event) {
switch (event.keyCode) {
case event.DOM_VK_BACK_SPACE:
case event.DOM_VK_DELETE:
deleting = true;
break;
}
});
// Detect tab presses to move the selection to the end ready for more
listen(window, gURLBar.parentNode, "keypress", function(event) {
switch (event.keyCode) {
case event.DOM_VK_TAB:
// Ignore tabs for switching tabs
if (event.ctrlKey)
return;
// Preventing the use of TAB as scrolling of popup results.
event.preventDefault();
event.stopPropagation();
// Ignore if the selection starts at front or nothing it selected
let input = event.originalTarget;
let {selectionEnd, selectionStart} = input;
if (selectionStart == 0 || selectionEnd == selectionStart)
return;
// Move the selection to the end and stop the normal behavior
input.setSelectionRange(selectionEnd, selectionEnd);
break;
}
});
// Watch for urlbar value input changes to suggest keywords
listen(window, gURLBar, "input", function(event) {
suggestionIndex = 0;
justCompleted = false;
// Don't try suggesting a keyword when the user wants to delete
if (deleting) {
// Updating the current Query for alternate suggestion purpose
currentQuery = gURLBar.textValue;
deleting = false;
// Make sure the search suggestions show up without selecting or suggesting
async(function() gURLBar.controller.startSearch(gURLBar.value));
return;
}
// See if we can suggest a keyword if it isn't the current query
let query = gURLBar.textValue;
// Don't suggest anything is bookmark keyword or uri or suggesting to search
if (isKeyword(query) || isURI(query.split(/[ ]+/)[0]) || startingIndex <= 0)
return;
let keyword = getKeyword(query);
if (keyword == null || keyword == query)
return;
// Select the end of the suggestion to allow over-typing
gURLBar.value = keyword;
gURLBar.selectTextRange(query.length, keyword.length);
justCompleted = true;
// Make sure the search suggestions show up
async(function() gURLBar.controller.startSearch(gURLBar.value));
});
}
// Automatically select the first location bar result on pressing enter
function addEnterSelects(window) {
// Remember what auto-select if enter was hit after starting a search
let autoSelectOn;
// Keep track of last shown result's search string
let lastSearch;
let async = makeWindowHelpers(window).async;
let {gURLBar} = window;
let {popup} = gURLBar;
// Wait for results to get added to the popup
let (orig = popup._appendCurrentResult) {
popup._appendCurrentResult = function() {
// Run the original first to get results added
try {
orig.apply(this, arguments);
} catch (ex) {}
// Inform that popup has been loaded/filled
if (popup.mPopupOpen)
worker.postMessage(JSON.stringify([false]));
if (searchSuggestionDisplayed && pref("minifyResults"))
for (let i = 0; i < popup.richlistbox.childNodes.length; i++)
maximizeItem(popup.richlistbox.childNodes[i]);
if (pref("showSearchSuggestion")) {
popup.adjustHeight();
}
// Don't bother if something is already selected
if (popup.selectedIndex >= 0)
return;
// Make sure there's results
if (popup._matchCount == 0)
return;
let firstURL = popup.richlistbox.getItemAtIndex(0)._url.textContent;
let {selectionStart, selectionEnd} = gURLBar;
// Don't auto-select if we have a url
if (isURI(gURLBar.value.split(/[ ]+/)[0]) && (!firstURL.match(
new RegExp("(" + gURLBar.value.replace("\/", "\\/")
.replace("\?", "\\?") + ")")) || selectionStart != selectionEnd))
return;
// We passed all the checks, so pretend the user has the first result
// selected, so this causes the UI to show the selection style
if (pref("selectFirst"))
popup.selectedIndex = 0;
// If the just-added result is what to auto-select, make it happen
if (autoSelectOn == gURLBar.textValue.trim()) {
// Clear out what to auto-select now that we've done it once
autoSelectOn = null;
gURLBar.controller.handleEnter(true);
}
// Remember this to notice if the search changes
lastSearch = gURLBar.textValue.trim();
};
unload(function() popup._appendCurrentResult = orig, window);
}
// Function to display the next suggestion based on current query
function suggestNextMatch(delta) {
// If we suggested by order, then don't scrol through alt suggestions
if (suggestedByOrder || !pref("autoComplete"))
return;
suggestionIndex += delta;
let keyword = getKeyword(currentQuery);
if (keyword == null || keyword == currentQuery)
return;
// Select the end of the suggestion to allow over-typing
gURLBar.value = keyword;
gURLBar.selectTextRange(currentQuery.length, keyword.length);
// Make sure the search suggestions show up
async(function() gURLBar.controller.startSearch(gURLBar.value));
}
listen(window, gURLBar, "keydown", function(aEvent) {
let KeyEvent = aEvent;
switch (aEvent.keyCode) {
// For horizontal movement, unselect the first item to allow editing
case KeyEvent.DOM_VK_LEFT:
case KeyEvent.DOM_VK_RIGHT:
case KeyEvent.DOM_VK_HOME:
popup.selectedIndex = -1;
return;
// For vertical movement, show alternate suggestions
case KeyEvent.DOM_VK_UP:
if (aEvent.ctrlKey)
suggestNextMatch(-1);
return;
case KeyEvent.DOM_VK_DOWN:
if (aEvent.ctrlKey)
suggestNextMatch(+1);
return;
// We're interested in handling enter (return), do so below
case KeyEvent.DOM_VK_RETURN:
case KeyEvent.DOM_VK_ENTER:
break;
// For anything else, deselect the entry if the search changed
default:
return;
}
// Ignore special key combinations
if (aEvent.shiftKey || aEvent.ctrlKey || aEvent.metaKey)
return;
// Deselect if the selected result isn't for the current search
if (popup._matchCount != 0 && lastSearch != gURLBar.textValue.trim() && !hasMoved) {
popup.selectedIndex = -1;
// If it's not a url, we'll want to auto-select the first result
if (!(isURI(gURLBar.value.split(/[ ]+/)[0]) || isKeyword(gURLBar.value))) {
autoSelectOn = gURLBar.textValue.trim();
// Don't load what's typed in the location bar because it's a search
aEvent.preventDefault();
}
return;
}
if (!searchSuggestionDisplayed || (searchSuggestionDisplayed && popup.selectedIndex < startingIndex)) {
// Prevent the default enter (return) behavior
aEvent.preventDefault();
// Calling handleEnter will cause the selected popup item to be used
gURLBar.mEnterEvent = aEvent;
gURLBar.controller.handleEnter(true);
}
});
// Detect deletes of text to avoid accidentally deleting items
listen(window, gURLBar.parentNode, "keypress", function(event) {
switch (event.keyCode) {
case event.DOM_VK_BACK_SPACE:
case event.DOM_VK_DELETE:
// The value will be the last search if auto-selected; otherwise the
// value will be the manually selected autocomplete entry
if (gURLBar.value != lastSearch)
return;
// Hack around to prevent deleting an entry
let {mPopupOpen} = popup;
popup.mPopupOpen = false;
// Restore the original popup open value
async(function() {
popup.mPopupOpen = mPopupOpen;
});
break;
}
});
// Detect pressing of Escape key and blur out of gURLBar
listen(window, gURLBar, "keydown", function(event) {
switch (event.keyCode) {
case event.DOM_VK_ESCAPE:
userInput = false;
if (gURLBar.value.replace(/[\/]$/, "").replace(/^(https?:\/\/)/, "") ==
window.gBrowser.selectedBrowser.currentURI.spec.replace(/[\/]$/, "").replace(/^(https?:\/\/)/, ""))
async(function() window.gBrowser.selectedBrowser.focus(), 50);
else if (gURLBar.value == "") {
gURLBar.value = window.gBrowser.selectedBrowser.currentURI.spec;
gURLBar.setSelectionRange(0, gURLBar.value.length);
if (gURLBar.popup.mPopupOpen)
gURLBar.popup.hidePopup();
event.preventDefault();
}
break;
}
});
// Handle the gURLBar value upon entering and leaving
listen(window, gURLBar, "blur", function(event) {
gURLBar.value = decodeURI(window.gBrowser.selectedBrowser.currentURI.spec);
});
}
// Convert a query to a search url
let currentEngine = Services.search.currentEngine;
function convertToSearchURL(query) {
if (currentEngine == null || currentEngine != Services.search.currentEngine)
currentEngine = Services.search.currentEngine || Services.search.getEngines()[0];
return currentEngine.getSubmission(query).uri.spec;
}
// Checks if the current input is already a uri
function isURI(input) {
if (!input)
return null;
// Matching whitelisted regular expressions.
if (whitelistedRegex.length > 0 && whitelistedRegex[0].length > 0) {
try {
for (let i = 0; i < whitelistedRegex.length; i++)
if (new RegExp(whitelistedRegex[i].split("/")[1],
whitelistedRegex[i].split("/")[2]).test(input))
return input;
} catch (ex) {}
}
// Matching about and similar pages pages
if (input.match(/^(about|wysiwyg|mailto):/))
return input;
if (input.match(/^[^:.\\\/&?]{2,}[:]{1}/))
return input;
// Matching ip addresses
if (input.match(/^(https?:\/\/)?([^\/]+:[^\/]+@)?([0-9]{1,3}\.?){4}/))
return input;
if (input.match(/ /) == null) {
try {
// Quit early if the input is already a URI
return Services.io.newURI(input, null, null);
} catch(ex) {}
try {
// Quit early if the input is domain-like (e.g., site.com/page)
return Cc["@mozilla.org/network/effective-tld-service;1"].
getService(Ci.nsIEffectiveTLDService).
getBaseDomainFromHost(input);
} catch(ex) {}
}
return null;
}
// Checks if the current input is matching keywords
function isKeyword(input) {
let keyword = input.split(/\s+/)[0];
// Check if the first word matches a bookmark keyword
if (bookmarksKeywords.indexOf(keyword) != -1)
return keyword;
// Check if there's an search engine registered for the first keyword
return Services.search.getEngineByAlias(keyword);
}
// Function to searching facility if no match found
function addSearchSuggestion(window) {
let change = makeWindowHelpers(window).change;
let {gURLBar} = window;
let {popup} = gURLBar;
// Convert the query into search engine specific url
function getSearchURL(input) {
return isURI(input.split(/[ ]+/)[0]) != null? input: convertToSearchURL(input);
}
// Convert inputs to search urls
change(gURLBar, "_canonizeURL", function(orig) {
return function(event, callback) {
if (event != null && !(event.ctrlKey || event.shiftKey || event.metaKey))
if ((searchSuggestionDisplayed || popup._matchCount == 0 || !popup.mPopupOpen)
&& (popup.selectedIndex >= startingIndex || popup.selectedIndex == -1)
&& gURLBar.value.length > 0)
this.value = getSearchURL(this.value);
return orig.call(this, event, callback);
};
});
// Provide a way to set the autocomplete search engines and initialize
function setSearch(engines) {
gURLBar.setAttribute("autocompletesearch", engines);
gURLBar.mSearchNames = null;
gURLBar.initSearchNames();
};
// Add in the autocompletesearch and remove on cleanup
let origSearch = gURLBar.getAttribute("autocompletesearch");
setSearch("google " + origSearch);
unload(function() setSearch(origSearch), window);
}
// Function to handle search results from the worker
function handleSearchResults2() {}
function handleSearchResults() {}
function maximizeItem() {}
// Helpwr function for autoCompleteSearch
function helpAutoCompleteSearch(window) {
let {gURLBar} = window;
let {popup} = gURLBar;
let async = makeWindowHelpers(window).async;
hasDeleted = false;
hasMoved = false;
userInput = false;
// Set the max row so that search suggestions are visible
let origRows = gURLBar.getAttribute("maxrows");
gURLBar.setAttribute("maxrows", 12);
unload(function() gURLBar.setAttribute("maxrows", origRows), window);
// Look for deletes to improve the timing of search suggestions
listen(window, gURLBar, "keydown", function(event) {
switch (event.keyCode) {
case event.DOM_VK_DELETE:
if (searchSuggestionDisplayed) {
event.preventDefault();
gURLBar.value = gURLBar.value.slice(0, gURLBar.selectionStart);
}
case event.DOM_VK_BACK_SPACE:
if (searchSuggestionDisplayed && event.keyCode != event.DOM_VK_DELETE) {
event.preventDefault();
event.stopPropagation();
gURLBar.value = gURLBar.value.slice(0, gURLBar.selectionStart -
(deleteLastOnBackspace?1:0));
}
hasDeleted = true;
searchSuggestionDisplayed = false;
results = [];
break;
case event.DOM_VK_DOWN:
case event.DOM_VK_UP:
case event.DOM_VK_LEFT:
case event.DOM_VK_RIGHT:
case event.DOM_VK_HOME:
case event.DOM_VK_END:
hasMoved = true;
userInput = false;
break;
default:
hasDeleted = false;
hasMoved = false;
break;
}
});
listen(window, gURLBar, "keypress", function(event) {
let curIndex = gURLBar.popup.selectedIndex;
switch (event.keyCode) {
case event.DOM_VK_DOWN:
case event.DOM_VK_UP:
// Hack around to display the results values in the gURLBar
if (curIndex >= startingIndex && searchSuggestionDisplayed && hasMoved && startingIndex > 0)
gURLBar.value = unescape(results[curIndex - startingIndex]);
break;
case event.DOM_VK_ENTER:
case event.DOM_VK_RETURN:
results = [];
if (curIndex >= startingIndex && searchSuggestionDisplayed && hasMoved && startingIndex > 0
&& results[curIndex - startingIndex]) {
event.preventDefault();
event.stopPropagation();
window.openUILinkIn(isURI(results[curIndex - startingIndex])?
results[curIndex - startingIndex]: convertToSearchURL(results[curIndex - startingIndex]),
(event.altKey || event.metaKey || event.ctrlKey)? "tab": "current");
}
break;
}
});
// Resetting the max results and searchSuggestionDisplayed
// on blurring out of urlBar and on focus
listen(window, gURLBar, "blur", function() {
userInput = hasDeleted = hasMoved = searchSuggestionDisplayed = false;
results = [];
});
listen(window, gURLBar, "focus", function() {
userInput = hasDeleted = hasMoved = searchSuggestionDisplayed = false;
results = [];
});
listen(window, gURLBar, "input", function() {
if (hasMoved || hasDeleted)
return;
userInput = true;
let {gURLBar} = window;
if (startingIndex <= 0 && results[0] && !hasMoved && !hasDeleted) {
let val = gURLBar.value;
if (val == results[0].slice(0, val.length) && val.length > 1) {
gURLBar.value = results[0];
gURLBar.setSelectionRange(val.length, results[0].length);
}
}
else {
results = [];
startingIndex = 100;
}
searchSuggestionDisplayed = false;
async(function() {
if (hasMoved || hasDeleted)
return;
if (gURLBar.popup._matchCount == 0 && userInput && !searchSuggestionDisplayed) {
xmlQuery.abort();
handleSearchResults2();
}
}, 750);
});
listen(window, gURLBar.popup, "popupshown", function() {
searchSuggestionDisplayed = false;
handleSearchResults();
});
listen(window, gURLBar.popup, "popuphiding", function() {
if (pref("minifyResults"))
for (let i = 0; i < popup.richlistbox.childNodes.length; i++)
maximizeItem(popup.richlistbox.childNodes[i]);
gURLBar.popup.adjustHeight();
});
listen(window, gURLBar.popup, "mousedown", function(event) {
let i = gURLBar.popup.selectedIndex - startingIndex;
if (!(pref("showInstantPreview") && pref("instantPreviewEverything"))
&& i >= 0 && searchSuggestionDisplayed && results[i]
&& results.length < gURLBar.popup._matchCount) {
event.preventDefault();
event.stopPropagation();
let tab = "current";
if (event.metaKey || event.ctrlKey || event.shiftKey)
tab = "tab";
window.openUILinkIn(isURI(results[i])? results[i]: convertToSearchURL(results[i]), tab);
}
});
// Making the style of richlist items normal
unload(function() {
for (let i = 0; i < popup.richlistbox.childNodes.length; i++)
maximizeItem(popup.richlistbox.childNodes[i]);
gURLBar.popup.adjustHeight();
}, window);
// Getting the current search engine
let currentSearchEngine = Services.search.currentEngine;
// If no current search engine , then using the first one
if (currentSearchEngine == null)
currentSearchEngine = Services.search.getEngines()[0];
let engineName = currentSearchEngine.name;
startingIndex = 100;
// Defining the XML Query
let xmlQuery = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Ci.nsIXMLHttpRequest);
xmlQuery.onload = function() {
let {gURLBar} = window;
let {popup} = gURLBar;
if (searchSuggestionDisplayed || !userInput || popup._matchCount == 0)
return;
results = [];
try {
let xmlResult = xmlQuery.responseXML.getElementsByTagName('suggestion');
for (let i=0; i < Math.min(6, xmlResult.length); i++)
results.push(xmlResult[i].getAttribute('data'));
} catch (ex) {}
if (results.length == 0)
results.push(gURLBar.value);
let existingItemsCount = popup._matchCount;
startingIndex = Math.min(6, existingItemsCount);
userInput = false;
searchSuggestionDisplayed = true;
// Process the popup result and add/replace the google search suggestion
// trim the leading/trailing whitespace
let trimmedSearchString = gURLBar.value.slice(0, gURLBar.selectionStart).trim();
let firefoxEntries = 0, searchEntries = 0,i = 0;
let maxFxEntries = Math.max(6, existingItemsCount - results.length);
origItemStyle = popup.richlistbox.childNodes[0].style;
let itemsDisplaced = 0;
while (i < popup._maxResults) {
// Firest allow firefox results to popup (max 6)
if (firefoxEntries < maxFxEntries && i < existingItemsCount && searchEntries < results.length) {
if (itemsDisplaced < 4 && !isURI(popup.richlistbox.childNodes[i].getAttribute("url"))
&& popup.richlistbox.childNodes[i].getAttribute("title")
.toLowerCase().indexOf(trimmedSearchString) < 0) {
let (item = popup.richlistbox.childNodes[i]) {
popup.richlistbox.removeChild(item);
popup.richlistbox.appendChild(item);
itemsDisplaced++;
}
}
else {
firefoxEntries++;
if (pref("minifyResults"))
maximizeItem(popup.richlistbox.childNodes[i]);
i++;
}
continue;
}
// Now show search suggestions
else if (firefoxEntries < maxFxEntries && searchEntries < results.length) {
startingIndex = firefoxEntries;
searchEntries++;
}
else if (firefoxEntries >= maxFxEntries && searchEntries < results.length) {
startingIndex = maxFxEntries;
searchEntries++;
}
else if (popup.richlistbox.childNodes[i]) {
popup.richlistbox.removeChild(popup.richlistbox.childNodes[i]);
continue;
}
else
break;
let url = isURI(results[i - startingIndex]) != null?
results[i - startingIndex]: convertToSearchURL(results[i - startingIndex]);
let title = (!isURI(results[i - startingIndex])?
engineName + " search: ": "") + results[i - startingIndex];
let item;
if (i < existingItemsCount)
item = popup.richlistbox.childNodes[i];
else
item = window.document.createElementNS
("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "richlistitem");
// Setting the required new values
item.setAttribute("image", SEARCH_ICON);
item.setAttribute("url", url);
item.setAttribute("title", title);
item.setAttribute("type",(i == startingIndex)? "suggestfirst": "suggesthint");
item.setAttribute("text", isURI(results[i])? "": trimmedSearchString);
if (i < existingItemsCount) {
// Using the already present entry
item._adjustAcItem();
item.collapsed = false;
}
else {
// Appending a new entry in the richlistbox
item.className = "autocomplete-richlistitem";
popup.richlistbox.appendChild(item);
}
if (pref("minifyResults"))
minify(item);
i++;
}
popup.adjustHeight();
};
// Function to minify the richBox items
function minify(item) {
item._titleBox.flex = 1;
item._urlBox.collapsed = true;
item._urlOverflowEllipsis.collapsed = true;
item.setAttribute("style", "overflow-y:hidden;height:25px !important;");
}
// Function to maximize richlist items
maximizeItem = function(item) {
item._urlBox.collapsed = false;
item._urlOverflowEllipsis.collapsed = false;
try {
item.setAttribute("style", origItemStyle);
} catch (ex) {}
item._adjustAcItem();
};
// Handle result function for this local xmlQuery onload
handleSearchResults = function() {
let {selectionStart} = gURLBar;
xmlQuery.open('GET','http://google.com/complete/search?output=toolbar&q='
+ encodeURIComponent(gURLBar.value.slice(0, selectionStart)), true);
currentSearchTerm = gURLBar.value.slice(0, selectionStart);
xmlQuery.send(null);
}
unload(function() {
xmlQuery.abort();
xmlQuery = null;
}, window);
}
// Add an autocomplete search engine to provide location bar suggestions
function addAutoCompleteSearch() {
unload(function() currentEngine = null);
// Getting the current search engine
let currentSearchEngine = Services.search.currentEngine;
// If no current search engine , then using the first one
if (currentSearchEngine == null)
currentSearchEngine = Services.search.getEngines()[0];
let engineName = currentSearchEngine.name;
const contract = "@mozilla.org/autocomplete/search;1?name=" + engineName.toLowerCase();
const desc = engineName + " AutoComplete";
const uuid = Components.ID("42778970-8fae-454d-ad3f-eea88b945af1");
let windowSet = Cc["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Ci.nsIWindowWatcher);
let xmlQuery = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Ci.nsIXMLHttpRequest);
let searchListener = null;
// Implement the autocomplete search that handles twitter queries
let search = {
createInstance: function(outer, iid) search.QueryInterface(iid),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompleteSearch]),
startSearch: function(query, param, previous, listener) {
// transfer the listener to global variable
// which can be used asynchronously when needed
searchListener = listener;
},
stopSearch: function() {},
};
xmlQuery.onload = function() {
if (searchSuggestionDisplayed || !userInput)
return;
let window;
try {
window = windowSet.activeWindow;
} catch (ex) {
window = Cc["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Ci.nsIWindowWatcher).activeWindow;
}
// fall back on this now
if (!window)
window = Services.wm.getMostRecentWindow("navigator:browser");
let {gURLBar} = window;
results = [];
try {
let xmlResult = xmlQuery.responseXML.getElementsByTagName('suggestion');
for (let i=0; i < Math.min(7, xmlResult.length); i++)
results.push(xmlResult[i].getAttribute('data'));
} catch (ex) {}
if (results.length == 0)
results.push(gURLBar.value);
searchSuggestionDisplayed = true;
userInput = false;
startingIndex = -1;
let numResults = gURLBar.popup._matchCount;
if (numResults > 0)
startingIndex = numResults;
searchListener.onSearchResult(search, {
getCommentAt: function(i) {
if (i == 0 && results[i].slice(0, gURLBar.value.length).toLowerCase()
!= gURLBar.value.toLowerCase() && numResults <= 0) {
gURLBar.popup.selectedIndex = -1;
return "Did you mean: " + results[i];
}
else if (i == 0 && numResults <= 0) {
let ({selectionStart} = gURLBar) {
gURLBar.value = results[0];
gURLBar.selectTextRange(selectionStart, results[0].length);
}
return ((!isURI(results[i]))?engineName + " search: ": "") + results[i];
}
else
return ((!isURI(results[i]))?engineName + " search: ": "") + results[i];
},
getImageAt: function(i) isURI(results[i]) != null && i == 0? '': SEARCH_ICON,
getLabelAt: function(i) isURI(results[i]) != null? results[i]: convertToSearchURL(results[i]),
getValueAt: function(i) results[i],
getStyleAt: function(i) {
if (i == 0)
return "suggestfirst";
else
return "suggesthint";
},
get matchCount() Math.min(7,results.length),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompleteResult]),
removeValueAt: function() {},
searchResult: Ci.nsIAutoCompleteResult.RESULT_SUCCESS,
get searchString() gURLBar.value,
});
makeWindowHelpers(window).async(function() {
gURLBar.popup.adjustHeight();
}, 50);
};
handleSearchResults2 = function() {
let {gURLBar} = windowSet.activeWindow;
xmlQuery.open('GET','http://google.com/complete/search?output=toolbar&q='
+ encodeURIComponent(gURLBar.value.slice(0, gURLBar.selectionStart)), true);
currentSearchTerm = encodeURIComponent(gURLBar.value.slice(0, gURLBar.selectionStart));
xmlQuery.send(null);
};
// Register this autocomplete search service and clean up when necessary
const registrar = Ci.nsIComponentRegistrar;
Cm.QueryInterface(registrar).registerFactory(uuid, desc, contract, search);
unload(function() {
Cm.QueryInterface(registrar).unregisterFactory(uuid, search);
xmlQuery.abort();
xmlQuery = null;
});
}
// Look through various places to find potential keywords
function populateKeywords() {
// Keep a nested array of array of keywords -- 2 arrays per entry
let allKeywords = [];
// XXX Force a QI until bug 609139 is fixed
let {DBConnection} = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase);
let tagSvc = Cc["@mozilla.org/browser/tagging-service;1"].
getService(Ci.nsITaggingService);
// Break a string into individual words separated by the splitter
function explode(text, splitter) {
return (text || "").toLowerCase().split(splitter).filter(function(word) {
// Only interested in not too-short words
return word && word.length > 3;
});
}
// Add the domain (without www) for the url
function addDomain(url) {
try {
// Extract the domain and the top level domain
let domain = url.match(/[\/@](?:www\.)?([^\/@:]+)[\/:]/)[1];
let suffix = Services.eTLD.getPublicSuffixFromHost(domain);
// Ignore special hostnames like localhost
if (suffix == domain)
suffix = "";
let {length} = suffix;
// Convert the full domain a.b.c into parts: a.b.c, b.c in order
domain.split(".").forEach(function(val, index, all) {
// Only add if it's more than the suffix
let part = all.slice(index).join(".");
if (part.length > length)
allKeywords.push([part]);
});
}
// Must have be some strange format url that we probably don't care about