529 строки
17 KiB
JavaScript
529 строки
17 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Ci = Components.interfaces;
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const Cc = Components.classes;
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const ENGINE_FLAVOR = "text/x-moz-search-engine";
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var gEngineView = null;
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var gEngineManagerDialog = {
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init: function engineManager_init() {
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gEngineView = new EngineView(new EngineStore());
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var tree = document.getElementById("engineList");
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tree.view = gEngineView;
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var os = Cc["@mozilla.org/observer-service;1"].
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getService(Ci.nsIObserverService);
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os.addObserver(this, "browser-search-engine-modified", false);
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},
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observe: function engineManager_observe(aEngine, aTopic, aVerb) {
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if (aTopic == "browser-search-engine-modified") {
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aEngine.QueryInterface(Ci.nsISearchEngine)
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switch (aVerb) {
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case "engine-added":
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gEngineView._engineStore.addEngine(aEngine);
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gEngineView.rowCountChanged(gEngineView.lastIndex, 1);
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break;
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case "engine-changed":
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gEngineView._engineStore.reloadIcons();
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break;
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case "engine-removed":
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case "engine-current":
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// Not relevant
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return;
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}
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gEngineView.invalidate();
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}
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},
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onOK: function engineManager_onOK() {
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// Remove the observer
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var os = Cc["@mozilla.org/observer-service;1"].
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getService(Ci.nsIObserverService);
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os.removeObserver(this, "browser-search-engine-modified");
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// Commit the changes
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gEngineView._engineStore.commit();
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},
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onCancel: function engineManager_onCancel() {
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// Remove the observer
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var os = Cc["@mozilla.org/observer-service;1"].
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getService(Ci.nsIObserverService);
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os.removeObserver(this, "browser-search-engine-modified");
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},
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onRestoreDefaults: function engineManager_onRestoreDefaults() {
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var num = gEngineView._engineStore.restoreDefaultEngines();
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gEngineView.rowCountChanged(0, num);
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gEngineView.invalidate();
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},
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showRestoreDefaults: function engineManager_showRestoreDefaults(val) {
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document.documentElement.getButton("extra2").disabled = !val;
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},
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loadAddEngines: function engineManager_loadAddEngines() {
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this.onOK();
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var formatter = Cc["@mozilla.org/toolkit/URLFormatterService;1"].getService(Ci.nsIURLFormatter);
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var url = formatter.formatURLPref("browser.search.searchEnginesURL");
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var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
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Components.classes["@mozilla.org/uriloader/external-protocol-service;1"]
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.getService(Ci.nsIExternalProtocolService)
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.loadURI(ios.newURI(url, null, null), window);
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window.close();
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},
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remove: function engineManager_remove() {
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gEngineView._engineStore.removeEngine(gEngineView.selectedEngine);
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var index = gEngineView.selectedIndex;
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gEngineView.rowCountChanged(index, -1);
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gEngineView.invalidate();
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gEngineView.selection.select(Math.min(index, gEngineView.lastIndex));
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gEngineView.ensureRowIsVisible(Math.min(index, gEngineView.lastIndex));
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document.getElementById("engineList").focus();
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},
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/**
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* Moves the selected engine either up or down in the engine list
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* @param aDir
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* -1 to move the selected engine down, +1 to move it up.
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*/
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bump: function engineManager_move(aDir) {
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var selectedEngine = gEngineView.selectedEngine;
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var newIndex = gEngineView.selectedIndex - aDir;
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gEngineView._engineStore.moveEngine(selectedEngine, newIndex);
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gEngineView.invalidate();
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gEngineView.selection.select(newIndex);
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gEngineView.ensureRowIsVisible(newIndex);
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this.showRestoreDefaults(true);
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document.getElementById("engineList").focus();
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},
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editKeyword: function engineManager_editKeyword() {
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var selectedEngine = gEngineView.selectedEngine;
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if (!selectedEngine)
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return;
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var prompt = Cc["@mozilla.org/embedcomp/prompt-service;1"].
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getService(Ci.nsIPromptService);
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var alias = { value: selectedEngine.alias };
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var strings = document.getElementById("engineManagerBundle");
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var title = strings.getString("editTitle");
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var msg = strings.getFormattedString("editMsg", [selectedEngine.name]);
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while (prompt.prompt(window, title, msg, alias, null, { })) {
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var eduplicate = false;
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if (alias.value != "") {
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// Check for duplicates in changes we haven't committed yet
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let engines = gEngineView._engineStore.engines;
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for each (let engine in engines) {
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if (engine.alias == alias.value &&
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engine.name != selectedEngine.name) {
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eduplicate = true;
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break;
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}
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}
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}
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// Notify the user if they have chosen an existing engine keyword
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if (eduplicate) {
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var dtitle = strings.getString("duplicateTitle");
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var emsg = strings.getFormattedString("duplicateEngineMsg",
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[engine.name]);
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prompt.alert(window, dtitle, emsg);
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} else {
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gEngineView._engineStore.changeEngine(selectedEngine, "alias",
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alias.value);
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gEngineView.invalidate();
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break;
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}
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}
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},
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onSelect: function engineManager_onSelect() {
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// buttons only work if an engine is selected and it's not the last engine
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var disableButtons = (gEngineView.selectedIndex == -1) ||
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(gEngineView.lastIndex == 0);
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var lastSelected = (gEngineView.selectedIndex == gEngineView.lastIndex);
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var firstSelected = (gEngineView.selectedIndex == 0);
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var noSelection = (gEngineView.selectedIndex == -1);
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document.getElementById("cmd_remove").setAttribute("disabled",
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disableButtons);
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document.getElementById("cmd_moveup").setAttribute("disabled",
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disableButtons || firstSelected);
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document.getElementById("cmd_movedown").setAttribute("disabled",
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disableButtons || lastSelected);
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document.getElementById("cmd_editkeyword").setAttribute("disabled",
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noSelection);
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}
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};
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var gDragObserver = {
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onDragStart: function (aEvent, aXferData, aDragAction) {
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var selectedIndex = gEngineView.selectedIndex;
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if (selectedIndex == -1)
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return;
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aXferData.data = new TransferData();
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aXferData.data.addDataForFlavour(ENGINE_FLAVOR, selectedIndex.toString());
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aDragAction.action = Ci.nsIDragService.DRAGDROP_ACTION_MOVE;
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},
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onDrop: function (aEvent, aXferData, aDragSession) { },
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onDragExit: function (aEvent, aDragSession) { },
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onDragOver: function (aEvent, aFlavour, aDragSession) { },
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getSupportedFlavours: function() { return null; }
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};
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// "Operation" objects
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function EngineMoveOp(aEngineClone, aNewIndex) {
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if (!aEngineClone)
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throw new Error("bad args to new EngineMoveOp!");
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this._engine = aEngineClone.originalEngine;
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this._newIndex = aNewIndex;
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}
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EngineMoveOp.prototype = {
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_engine: null,
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_newIndex: null,
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commit: function EMO_commit() {
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var searchService = Cc["@mozilla.org/browser/search-service;1"].
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getService(Ci.nsIBrowserSearchService);
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searchService.moveEngine(this._engine, this._newIndex);
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}
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}
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function EngineRemoveOp(aEngineClone) {
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if (!aEngineClone)
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throw new Error("bad args to new EngineRemoveOp!");
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this._engine = aEngineClone.originalEngine;
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}
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EngineRemoveOp.prototype = {
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_engine: null,
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commit: function ERO_commit() {
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var searchService = Cc["@mozilla.org/browser/search-service;1"].
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getService(Ci.nsIBrowserSearchService);
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searchService.removeEngine(this._engine);
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}
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}
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function EngineUnhideOp(aEngineClone, aNewIndex) {
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if (!aEngineClone)
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throw new Error("bad args to new EngineUnhideOp!");
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this._engine = aEngineClone.originalEngine;
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this._newIndex = aNewIndex;
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}
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EngineUnhideOp.prototype = {
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_engine: null,
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_newIndex: null,
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commit: function EUO_commit() {
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this._engine.hidden = false;
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var searchService = Cc["@mozilla.org/browser/search-service;1"].
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getService(Ci.nsIBrowserSearchService);
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searchService.moveEngine(this._engine, this._newIndex);
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}
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}
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function EngineChangeOp(aEngineClone, aProp, aValue) {
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if (!aEngineClone)
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throw new Error("bad args to new EngineChangeOp!");
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this._engine = aEngineClone.originalEngine;
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this._prop = aProp;
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this._newValue = aValue;
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}
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EngineChangeOp.prototype = {
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_engine: null,
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_prop: null,
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_newValue: null,
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commit: function ECO_commit() {
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this._engine[this._prop] = this._newValue;
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}
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}
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function EngineStore() {
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var searchService = Cc["@mozilla.org/browser/search-service;1"].
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getService(Ci.nsIBrowserSearchService);
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this._engines = searchService.getVisibleEngines({}).map(this._cloneEngine);
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this._defaultEngines = searchService.getDefaultEngines({}).map(this._cloneEngine);
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this._ops = [];
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// check if we need to disable the restore defaults button
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var someHidden = this._defaultEngines.some(function (e) {return e.hidden;});
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gEngineManagerDialog.showRestoreDefaults(someHidden);
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}
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EngineStore.prototype = {
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_engines: null,
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_defaultEngines: null,
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_ops: null,
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get engines() {
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return this._engines;
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},
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set engines(val) {
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this._engines = val;
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return val;
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},
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_getIndexForEngine: function ES_getIndexForEngine(aEngine) {
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return this._engines.indexOf(aEngine);
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},
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_getEngineByName: function ES_getEngineByName(aName) {
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for each (var engine in this._engines)
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if (engine.name == aName)
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return engine;
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return null;
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},
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_cloneEngine: function ES_cloneObj(aEngine) {
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var newO=[];
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for (var i in aEngine)
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newO[i] = aEngine[i];
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newO.originalEngine = aEngine;
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return newO;
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},
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// Callback for Array's some(). A thisObj must be passed to some()
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_isSameEngine: function ES_isSameEngine(aEngineClone) {
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return aEngineClone.originalEngine == this.originalEngine;
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},
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commit: function ES_commit() {
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var searchService = Cc["@mozilla.org/browser/search-service;1"].
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getService(Ci.nsIBrowserSearchService);
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var currentEngine = this._cloneEngine(searchService.currentEngine);
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for (var i = 0; i < this._ops.length; i++)
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this._ops[i].commit();
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// Restore currentEngine if it is a default engine that is still visible.
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// Needed if the user deletes currentEngine and then restores it.
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if (this._defaultEngines.some(this._isSameEngine, currentEngine) &&
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!currentEngine.originalEngine.hidden)
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searchService.currentEngine = currentEngine.originalEngine;
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},
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addEngine: function ES_addEngine(aEngine) {
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this._engines.push(this._cloneEngine(aEngine));
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},
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moveEngine: function ES_moveEngine(aEngine, aNewIndex) {
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if (aNewIndex < 0 || aNewIndex > this._engines.length - 1)
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throw new Error("ES_moveEngine: invalid aNewIndex!");
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var index = this._getIndexForEngine(aEngine);
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if (index == -1)
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throw new Error("ES_moveEngine: invalid engine?");
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if (index == aNewIndex)
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return; // nothing to do
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// Move the engine in our internal store
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var removedEngine = this._engines.splice(index, 1)[0];
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this._engines.splice(aNewIndex, 0, removedEngine);
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this._ops.push(new EngineMoveOp(aEngine, aNewIndex));
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},
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removeEngine: function ES_removeEngine(aEngine) {
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var index = this._getIndexForEngine(aEngine);
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if (index == -1)
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throw new Error("invalid engine?");
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this._engines.splice(index, 1);
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this._ops.push(new EngineRemoveOp(aEngine));
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if (this._defaultEngines.some(this._isSameEngine, aEngine))
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gEngineManagerDialog.showRestoreDefaults(true);
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},
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restoreDefaultEngines: function ES_restoreDefaultEngines() {
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var added = 0;
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for (var i = 0; i < this._defaultEngines.length; ++i) {
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var e = this._defaultEngines[i];
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// If the engine is already in the list, just move it.
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if (this._engines.some(this._isSameEngine, e)) {
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this.moveEngine(this._getEngineByName(e.name), i);
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} else {
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// Otherwise, add it back to our internal store
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this._engines.splice(i, 0, e);
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this._ops.push(new EngineUnhideOp(e, i));
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added++;
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}
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}
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gEngineManagerDialog.showRestoreDefaults(false);
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return added;
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},
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changeEngine: function ES_changeEngine(aEngine, aProp, aNewValue) {
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var index = this._getIndexForEngine(aEngine);
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if (index == -1)
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throw new Error("invalid engine?");
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this._engines[index][aProp] = aNewValue;
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this._ops.push(new EngineChangeOp(aEngine, aProp, aNewValue));
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},
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reloadIcons: function ES_reloadIcons() {
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this._engines.forEach(function (e) {
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e.uri = e.originalEngine.uri;
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});
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}
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}
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function EngineView(aEngineStore) {
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this._engineStore = aEngineStore;
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}
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EngineView.prototype = {
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_engineStore: null,
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tree: null,
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get lastIndex() {
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return this.rowCount - 1;
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},
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get selectedIndex() {
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var seln = this.selection;
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if (seln.getRangeCount() > 0) {
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var min = { };
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seln.getRangeAt(0, min, { });
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return min.value;
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}
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return -1;
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},
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get selectedEngine() {
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return this._engineStore.engines[this.selectedIndex];
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},
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// Helpers
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rowCountChanged: function (index, count) {
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this.tree.rowCountChanged(index, count);
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},
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invalidate: function () {
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this.tree.invalidate();
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},
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ensureRowIsVisible: function (index) {
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this.tree.ensureRowIsVisible(index);
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},
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getSourceIndexFromDrag: function () {
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var dragService = Cc["@mozilla.org/widget/dragservice;1"]
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.getService(Ci.nsIDragService);
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var dragSession = dragService.getCurrentSession();
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var transfer = Cc["@mozilla.org/widget/transferable;1"].
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createInstance(Ci.nsITransferable);
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transfer.addDataFlavor(ENGINE_FLAVOR);
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dragSession.getData(transfer, 0);
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var dataObj = {};
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var len = {};
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var sourceIndex = -1;
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try {
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transfer.getAnyTransferData({}, dataObj, len);
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} catch (ex) {}
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if (dataObj.value) {
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sourceIndex = dataObj.value.QueryInterface(Ci.nsISupportsString).data;
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sourceIndex = parseInt(sourceIndex.substring(0, len.value));
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}
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return sourceIndex;
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},
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// nsITreeView
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get rowCount() {
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return this._engineStore.engines.length;
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},
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getImageSrc: function(index, column) {
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if (column.id == "engineName" && this._engineStore.engines[index].iconURI)
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return this._engineStore.engines[index].iconURI.spec;
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return "";
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},
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getCellText: function(index, column) {
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if (column.id == "engineName")
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return this._engineStore.engines[index].name;
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else if (column.id == "engineKeyword")
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return this._engineStore.engines[index].alias;
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return "";
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},
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setTree: function(tree) {
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this.tree = tree;
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},
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canDrop: function(targetIndex, orientation) {
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var sourceIndex = this.getSourceIndexFromDrag();
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return (sourceIndex != -1 &&
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sourceIndex != targetIndex &&
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sourceIndex != (targetIndex + orientation));
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},
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drop: function(dropIndex, orientation) {
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var sourceIndex = this.getSourceIndexFromDrag();
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var sourceEngine = this._engineStore.engines[sourceIndex];
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if (dropIndex > sourceIndex) {
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if (orientation == Ci.nsITreeView.DROP_BEFORE)
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dropIndex--;
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} else {
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if (orientation == Ci.nsITreeView.DROP_AFTER)
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dropIndex++;
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}
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this._engineStore.moveEngine(sourceEngine, dropIndex);
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gEngineManagerDialog.showRestoreDefaults(true);
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// Redraw, and adjust selection
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this.invalidate();
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this.selection.clearSelection();
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this.selection.select(dropIndex);
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},
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selection: null,
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getRowProperties: function(index, properties) { },
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getCellProperties: function(index, column, properties) { },
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getColumnProperties: function(column, properties) { },
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isContainer: function(index) { return false; },
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isContainerOpen: function(index) { return false; },
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isContainerEmpty: function(index) { return false; },
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isSeparator: function(index) { return false; },
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isSorted: function(index) { return false; },
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getParentIndex: function(index) { return -1; },
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hasNextSibling: function(parentIndex, index) { return false; },
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getLevel: function(index) { return 0; },
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getProgressMode: function(index, column) { },
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getCellValue: function(index, column) { },
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toggleOpenState: function(index) { },
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cycleHeader: function(column) { },
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selectionChanged: function() { },
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cycleCell: function(row, column) { },
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isEditable: function(index, column) { return false; },
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isSelectable: function(index, column) { return false; },
|
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setCellValue: function(index, column, value) { },
|
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setCellText: function(index, column, value) { },
|
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performAction: function(action) { },
|
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performActionOnRow: function(action, index) { },
|
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performActionOnCell: function(action, index, column) { }
|
|
};
|