The Tor Browser: browser/components/preferences/cookies.js@6474c204b198 (annotated)

browser/components/preferences/cookies.js@6474c204b198 (annotated)

browser/components/preferences/cookies.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 const nsICookie = Components.interfaces.nsICookie;
 var gCookiesWindow = {
   _cm               : Components.classes["@mozilla.org/cookiemanager;1"]
                                 .getService(Components.interfaces.nsICookieManager),
   _ds               : Components.classes["@mozilla.org/intl/scriptabledateformat;1"]
                                 .getService(Components.interfaces.nsIScriptableDateFormat),
   _hosts            : {},
   _hostOrder        : [],
   _tree             : null,
   _bundle           : null,
   init: function () {
     var os = Components.classes["@mozilla.org/observer-service;1"]
                        .getService(Components.interfaces.nsIObserverService);
     os.addObserver(this, "cookie-changed", false);
     os.addObserver(this, "perm-changed", false);
     this._bundle = document.getElementById("bundlePreferences");
     this._tree = document.getElementById("cookiesList");
     this._populateList(true);
     document.getElementById("filter").focus();
   },
   uninit: function () {
     var os = Components.classes["@mozilla.org/observer-service;1"]
                        .getService(Components.interfaces.nsIObserverService);
     os.removeObserver(this, "cookie-changed");
     os.removeObserver(this, "perm-changed");
   },
   _populateList: function (aInitialLoad) {
     this._loadCookies();
     this._tree.treeBoxObject.view = this._view;
     if (aInitialLoad)
       this.sort("rawHost");
     if (this._view.rowCount > 0)
       this._tree.view.selection.select(0);
     if (aInitialLoad) {
       if ("arguments" in window &&
           window.arguments[0] &&
           window.arguments[0].filterString)
         this.setFilter(window.arguments[0].filterString);
     }
     else {
       if (document.getElementById("filter").value != "")
         this.filter();
     }
     this._updateRemoveAllButton();
     this._saveState();
   },
   _cookieEquals: function (aCookieA, aCookieB, aStrippedHost) {
     return aCookieA.rawHost == aStrippedHost &&
            aCookieA.name == aCookieB.name &&
            aCookieA.path == aCookieB.path;
   },
   observe: function (aCookie, aTopic, aData) {
     if (aTopic != "cookie-changed")
       return;
     if (aCookie instanceof Components.interfaces.nsICookie) {
       var strippedHost = this._makeStrippedHost(aCookie.host);
       if (aData == "changed")
         this._handleCookieChanged(aCookie, strippedHost);
       else if (aData == "added")
         this._handleCookieAdded(aCookie, strippedHost);
     }
     else if (aData == "cleared") {
       this._hosts = {};
       this._hostOrder = [];
       var oldRowCount = this._view._rowCount;
       this._view._rowCount = 0;
       this._tree.treeBoxObject.rowCountChanged(0, -oldRowCount);
       this._view.selection.clearSelection();
       this._updateRemoveAllButton();
     }
     else if (aData == "reload") {
       // first, clear any existing entries
       this.observe(aCookie, aTopic, "cleared");
       // then, reload the list
       this._populateList(false);
     }
     // We don't yet handle aData == "deleted" - it's a less common case
     // and is rather complicated as selection tracking is difficult
   },
   _handleCookieChanged: function (changedCookie, strippedHost) {
     var rowIndex = 0;
     var cookieItem = null;
     if (!this._view._filtered) {
       for (var i = 0; i < this._hostOrder.length; ++i) { // (var host in this._hosts) {
         ++rowIndex;
         var hostItem = this._hosts[this._hostOrder[i]]; // var hostItem = this._hosts[host];
         if (this._hostOrder[i] == strippedHost) { // host == strippedHost) {
           // Host matches, look for the cookie within this Host collection
           // and update its data
           for (var j = 0; j < hostItem.cookies.length; ++j) {
             ++rowIndex;
             var currCookie = hostItem.cookies[j];
             if (this._cookieEquals(currCookie, changedCookie, strippedHost)) {
               currCookie.value    = changedCookie.value;
               currCookie.isSecure = changedCookie.isSecure;
               currCookie.isDomain = changedCookie.isDomain;
               currCookie.expires  = changedCookie.expires;
               cookieItem = currCookie;
               break;
             }
           }
         }
         else if (hostItem.open)
           rowIndex += hostItem.cookies.length;
       }
     }
     else {
       // Just walk the filter list to find the item. It doesn't matter that
       // we don't update the main Host collection when we do this, because
       // when the filter is reset the Host collection is rebuilt anyway.
       for (rowIndex = 0; rowIndex < this._view._filterSet.length; ++rowIndex) {
         currCookie = this._view._filterSet[rowIndex];
         if (this._cookieEquals(currCookie, changedCookie, strippedHost)) {
           currCookie.value    = changedCookie.value;
           currCookie.isSecure = changedCookie.isSecure;
           currCookie.isDomain = changedCookie.isDomain;
           currCookie.expires  = changedCookie.expires;
           cookieItem = currCookie;
           break;
         }
       }
     }
     // Make sure the tree display is up to date...
     this._tree.treeBoxObject.invalidateRow(rowIndex);
     // ... and if the cookie is selected, update the displayed metadata too
     if (cookieItem != null && this._view.selection.currentIndex == rowIndex)
       this._updateCookieData(cookieItem);
   },
   _handleCookieAdded: function (changedCookie, strippedHost) {
     var rowCountImpact = 0;
     var addedHost = { value: 0 };
     this._addCookie(strippedHost, changedCookie, addedHost);
     if (!this._view._filtered) {
       // The Host collection for this cookie already exists, and it's not open,
       // so don't increment the rowCountImpact becaues the user is not going to
       // see the additional rows as they're hidden.
       if (addedHost.value || this._hosts[strippedHost].open)
         ++rowCountImpact;
     }
     else {
       // We're in search mode, and the cookie being added matches
       // the search condition, so add it to the list.
       var c = this._makeCookieObject(strippedHost, changedCookie);
       if (this._cookieMatchesFilter(c)) {
         this._view._filterSet.push(this._makeCookieObject(strippedHost, changedCookie));
         ++rowCountImpact;
       }
     }
     // Now update the tree display at the end (we could/should re run the sort
     // if any to get the position correct.)
     var oldRowCount = this._rowCount;
     this._view._rowCount += rowCountImpact;
     this._tree.treeBoxObject.rowCountChanged(oldRowCount - 1, rowCountImpact);
     this._updateRemoveAllButton();
   },
   _view: {
     _filtered   : false,
     _filterSet  : [],
     _filterValue: "",
     _rowCount   : 0,
     _cacheValid : 0,
     _cacheItems : [],
     get rowCount() {
       return this._rowCount;
     },
     _getItemAtIndex: function (aIndex) {
       if (this._filtered)
         return this._filterSet[aIndex];
       var start = 0;
       var count = 0, hostIndex = 0;
       var cacheIndex = Math.min(this._cacheValid, aIndex);
       if (cacheIndex > 0) {
         var cacheItem = this._cacheItems[cacheIndex];
         start = cacheItem['start'];
         count = hostIndex = cacheItem['count'];
       }
       for (var i = start; i < gCookiesWindow._hostOrder.length; ++i) { // var host in gCookiesWindow._hosts) {
         var currHost = gCookiesWindow._hosts[gCookiesWindow._hostOrder[i]]; // gCookiesWindow._hosts[host];
         if (!currHost) continue;
         if (count == aIndex)
           return currHost;
         hostIndex = count;
         var cacheEntry = { 'start' : i, 'count' : count };
         var cacheStart = count;
         if (currHost.open) {
           if (count < aIndex && aIndex <= (count + currHost.cookies.length)) {
             // We are looking for an entry within this host's children,
             // enumerate them looking for the index.
             ++count;
             for (var i = 0; i < currHost.cookies.length; ++i) {
               if (count == aIndex) {
                 var cookie = currHost.cookies[i];
                 cookie.parentIndex = hostIndex;
                 return cookie;
               }
               ++count;
             }
           }
           else {
             // A host entry was open, but we weren't looking for an index
             // within that host entry's children, so skip forward over the
             // entry's children. We need to add one to increment for the
             // host value too.
             count += currHost.cookies.length + 1;
           }
         }
         else
           ++count;
         for (var j = cacheStart; j < count; j++)
           this._cacheItems[j] = cacheEntry;
         this._cacheValid = count - 1;
       }
       return null;
     },
     _removeItemAtIndex: function (aIndex, aCount) {
       var removeCount = aCount === undefined ? 1 : aCount;
       if (this._filtered) {
         // remove the cookies from the unfiltered set so that they
         // don't reappear when the filter is changed. See bug 410863.
         for (var i = aIndex; i < aIndex + removeCount; ++i) {
           var item = this._filterSet[i];
           var parent = gCookiesWindow._hosts[item.rawHost];
           for (var j = 0; j < parent.cookies.length; ++j) {
             if (item == parent.cookies[j]) {
               parent.cookies.splice(j, 1);
               break;
             }
           }
         }
         this._filterSet.splice(aIndex, removeCount);
         return;
       }
       var item = this._getItemAtIndex(aIndex);
       if (!item) return;
       this._invalidateCache(aIndex - 1);
       if (item.container)
         gCookiesWindow._hosts[item.rawHost] = null;
       else {
         var parent = this._getItemAtIndex(item.parentIndex);
         for (var i = 0; i < parent.cookies.length; ++i) {
           var cookie = parent.cookies[i];
           if (item.rawHost == cookie.rawHost &&
               item.name == cookie.name && item.path == cookie.path)
             parent.cookies.splice(i, removeCount);
         }
       }
     },
     _invalidateCache: function (aIndex) {
       this._cacheValid = Math.min(this._cacheValid, aIndex);
     },
     getCellText: function (aIndex, aColumn) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item)
           return "";
         if (aColumn.id == "domainCol")
           return item.rawHost;
         else if (aColumn.id == "nameCol")
           return item.name;
       }
       else {
         if (aColumn.id == "domainCol")
           return this._filterSet[aIndex].rawHost;
         else if (aColumn.id == "nameCol")
           return this._filterSet[aIndex].name;
       }
       return "";
     },
     _selection: null,
     get selection () { return this._selection; },
     set selection (val) { this._selection = val; return val; },
     getRowProperties: function (aIndex) { return ""; },
     getCellProperties: function (aIndex, aColumn) { return ""; },
     getColumnProperties: function (aColumn) { return ""; },
     isContainer: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return false;
         return item.container;
       }
       return false;
     },
     isContainerOpen: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return false;
         return item.open;
       }
       return false;
     },
     isContainerEmpty: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return false;
         return item.cookies.length == 0;
       }
       return false;
     },
     isSeparator: function (aIndex) { return false; },
     isSorted: function (aIndex) { return false; },
     canDrop: function (aIndex, aOrientation) { return false; },
     drop: function (aIndex, aOrientation) {},
     getParentIndex: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         // If an item has no parent index (i.e. it is at the top level) this
         // function MUST return -1 otherwise we will go into an infinite loop.
         // Containers are always top level items in the cookies tree, so make
         // sure to return the appropriate value here.
         if (!item || item.container) return -1;
         return item.parentIndex;
       }
       return -1;
     },
     hasNextSibling: function (aParentIndex, aIndex) {
       if (!this._filtered) {
         // |aParentIndex| appears to be bogus, but we can get the real
         // parent index by getting the entry for |aIndex| and reading the
         // parentIndex field.
         // The index of the last item in this host collection is the
         // index of the parent + the size of the host collection, and
         // aIndex has a next sibling if it is less than this value.
         var item = this._getItemAtIndex(aIndex);
         if (item) {
           if (item.container) {
             for (var i = aIndex + 1; i < this.rowCount; ++i) {
               var subsequent = this._getItemAtIndex(i);
               if (subsequent.container)
                 return true;
             }
             return false;
           }
           else {
             var parent = this._getItemAtIndex(item.parentIndex);
             if (parent && parent.container)
               return aIndex < item.parentIndex + parent.cookies.length;
           }
         }
       }
       return aIndex < this.rowCount - 1;
     },
     hasPreviousSibling: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return false;
         var parent = this._getItemAtIndex(item.parentIndex);
         if (parent && parent.container)
           return aIndex > item.parentIndex + 1;
       }
       return aIndex > 0;
     },
     getLevel: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return 0;
         return item.level;
       }
       return 0;
     },
     getImageSrc: function (aIndex, aColumn) {},
     getProgressMode: function (aIndex, aColumn) {},
     getCellValue: function (aIndex, aColumn) {},
     setTree: function (aTree) {},
     toggleOpenState: function (aIndex) {
       if (!this._filtered) {
         var item = this._getItemAtIndex(aIndex);
         if (!item) return;
         this._invalidateCache(aIndex);
         var multiplier = item.open ? -1 : 1;
         var delta = multiplier * item.cookies.length;
         this._rowCount += delta;
         item.open = !item.open;
         gCookiesWindow._tree.treeBoxObject.rowCountChanged(aIndex + 1, delta);
         gCookiesWindow._tree.treeBoxObject.invalidateRow(aIndex);
       }
     },
     cycleHeader: function (aColumn) {},
     selectionChanged: function () {},
     cycleCell: function (aIndex, aColumn) {},
     isEditable: function (aIndex, aColumn) {
       return false;
     },
     isSelectable: function (aIndex, aColumn) {
       return false;
     },
     setCellValue: function (aIndex, aColumn, aValue) {},
     setCellText: function (aIndex, aColumn, aValue) {},
     performAction: function (aAction) {},
     performActionOnRow: function (aAction, aIndex) {},
     performActionOnCell: function (aAction, aindex, aColumn) {}
   },
   _makeStrippedHost: function (aHost) {
     var formattedHost = aHost.charAt(0) == "." ? aHost.substring(1, aHost.length) : aHost;
     return formattedHost.substring(0, 4) == "www." ? formattedHost.substring(4, formattedHost.length) : formattedHost;
   },
   _addCookie: function (aStrippedHost, aCookie, aHostCount) {
     if (!(aStrippedHost in this._hosts) || !this._hosts[aStrippedHost]) {
       this._hosts[aStrippedHost] = { cookies   : [],
                                      rawHost   : aStrippedHost,
                                      level     : 0,
                                      open      : false,
                                      container : true };
       this._hostOrder.push(aStrippedHost);
       ++aHostCount.value;
     }
     var c = this._makeCookieObject(aStrippedHost, aCookie);
     this._hosts[aStrippedHost].cookies.push(c);
   },
   _makeCookieObject: function (aStrippedHost, aCookie) {
     var host = aCookie.host;
     var formattedHost = host.charAt(0) == "." ? host.substring(1, host.length) : host;
     var c = { name        : aCookie.name,
               value       : aCookie.value,
               isDomain    : aCookie.isDomain,
               host        : aCookie.host,
               rawHost     : aStrippedHost,
               path        : aCookie.path,
               isSecure    : aCookie.isSecure,
               expires     : aCookie.expires,
               level       : 1,
               container   : false };
     return c;
   },
   _loadCookies: function () {
     var e = this._cm.enumerator;
     var hostCount = { value: 0 };
     this._hosts = {};
     this._hostOrder = [];
     while (e.hasMoreElements()) {
       var cookie = e.getNext();
       if (cookie && cookie instanceof Components.interfaces.nsICookie) {
         var strippedHost = this._makeStrippedHost(cookie.host);
         this._addCookie(strippedHost, cookie, hostCount);
       }
       else
         break;
     }
     this._view._rowCount = hostCount.value;
   },
   formatExpiresString: function (aExpires) {
     if (aExpires) {
       var date = new Date(1000 * aExpires);
       return this._ds.FormatDateTime("", this._ds.dateFormatLong,
                                      this._ds.timeFormatSeconds,
                                      date.getFullYear(),
                                      date.getMonth() + 1,
                                      date.getDate(),
                                      date.getHours(),
                                      date.getMinutes(),
                                      date.getSeconds());
     }
     return this._bundle.getString("expireAtEndOfSession");
   },
   _updateCookieData: function (aItem) {
     var seln = this._view.selection;
     var ids = ["name", "value", "host", "path", "isSecure", "expires"];
     var properties;
     if (aItem && !aItem.container && seln.count > 0) {
       properties = { name: aItem.name, value: aItem.value, host: aItem.host,
                      path: aItem.path, expires: this.formatExpiresString(aItem.expires),
                      isDomain: aItem.isDomain ? this._bundle.getString("domainColon")
                                               : this._bundle.getString("hostColon"),
                      isSecure: aItem.isSecure ? this._bundle.getString("forSecureOnly")
                                               : this._bundle.getString("forAnyConnection") };
       for (var i = 0; i < ids.length; ++i)
         document.getElementById(ids[i]).disabled = false;
     }
     else {
       var noneSelected = this._bundle.getString("noCookieSelected");
       properties = { name: noneSelected, value: noneSelected, host: noneSelected,
                      path: noneSelected, expires: noneSelected,
                      isSecure: noneSelected };
       for (i = 0; i < ids.length; ++i)
         document.getElementById(ids[i]).disabled = true;
     }
     for (var property in properties)
       document.getElementById(property).value = properties[property];
   },
   onCookieSelected: function () {
     var properties, item;
     var seln = this._tree.view.selection;
     if (!this._view._filtered)
       item = this._view._getItemAtIndex(seln.currentIndex);
     else
       item = this._view._filterSet[seln.currentIndex];
     this._updateCookieData(item);
     var rangeCount = seln.getRangeCount();
     var selectedCookieCount = 0;
     for (var i = 0; i < rangeCount; ++i) {
       var min = {}; var max = {};
       seln.getRangeAt(i, min, max);
       for (var j = min.value; j <= max.value; ++j) {
         item = this._view._getItemAtIndex(j);
         if (!item) continue;
         if (item.container && !item.open)
           selectedCookieCount += item.cookies.length;
         else if (!item.container)
           ++selectedCookieCount;
       }
     }
     var item = this._view._getItemAtIndex(seln.currentIndex);
     if (item && seln.count == 1 && item.container && item.open)
       selectedCookieCount += 2;
     var removeCookie = document.getElementById("removeCookie");
     var removeCookies = document.getElementById("removeCookies");
     removeCookie.parentNode.selectedPanel =
       selectedCookieCount == 1 ? removeCookie : removeCookies;
     removeCookie.disabled = removeCookies.disabled = !(seln.count > 0);
   },
   performDeletion: function gCookiesWindow_performDeletion(deleteItems) {
     var psvc = Components.classes["@mozilla.org/preferences-service;1"]
                          .getService(Components.interfaces.nsIPrefBranch);
     var blockFutureCookies = false;
     if (psvc.prefHasUserValue("network.cookie.blockFutureCookies"))
       blockFutureCookies = psvc.getBoolPref("network.cookie.blockFutureCookies");
     for (var i = 0; i < deleteItems.length; ++i) {
       var item = deleteItems[i];
       this._cm.remove(item.host, item.name, item.path, blockFutureCookies);
     }
   },
   deleteCookie: function () {
     // Selection Notes
     // - Selection always moves to *NEXT* adjacent item unless item
     //   is last child at a given level in which case it moves to *PREVIOUS*
     //   item
     //
     // Selection Cases (Somewhat Complicated)
     //
     // 1) Single cookie selected, host has single child
     //    v cnn.com
     //    //// cnn.com ///////////// goksdjf@ ////
     //    > atwola.com
     //
     //    Before SelectedIndex: 1   Before RowCount: 3
     //    After  SelectedIndex: 0   After  RowCount: 1
     //
     // 2) Host selected, host open
     //    v goats.com ////////////////////////////
     //         goats.com             sldkkfjl
     //         goat.scom             flksj133
     //    > atwola.com
     //
     //    Before SelectedIndex: 0   Before RowCount: 4
     //    After  SelectedIndex: 0   After  RowCount: 1
     //
     // 3) Host selected, host closed
     //    > goats.com ////////////////////////////
     //    > atwola.com
     //
     //    Before SelectedIndex: 0   Before RowCount: 2
     //    After  SelectedIndex: 0   After  RowCount: 1
     //
     // 4) Single cookie selected, host has many children
     //    v goats.com
     //         goats.com             sldkkfjl
     //    //// goats.com /////////// flksjl33 ////
     //    > atwola.com
     //
     //    Before SelectedIndex: 2   Before RowCount: 4
     //    After  SelectedIndex: 1   After  RowCount: 3
     //
     // 5) Single cookie selected, host has many children
     //    v goats.com
     //    //// goats.com /////////// flksjl33 ////
     //         goats.com             sldkkfjl
     //    > atwola.com
     //
     //    Before SelectedIndex: 1   Before RowCount: 4
     //    After  SelectedIndex: 1   After  RowCount: 3
     var seln = this._view.selection;
     var tbo = this._tree.treeBoxObject;
     if (seln.count < 1) return;
     var nextSelected = 0;
     var rowCountImpact = 0;
     var deleteItems = [];
     if (!this._view._filtered) {
       var ci = seln.currentIndex;
       nextSelected = ci;
       var invalidateRow = -1;
       var item = this._view._getItemAtIndex(ci);
       if (item.container) {
         rowCountImpact -= (item.open ? item.cookies.length : 0) + 1;
         deleteItems = deleteItems.concat(item.cookies);
         if (!this._view.hasNextSibling(-1, ci))
           --nextSelected;
         this._view._removeItemAtIndex(ci);
       }
       else {
         var parent = this._view._getItemAtIndex(item.parentIndex);
         --rowCountImpact;
         if (parent.cookies.length == 1) {
           --rowCountImpact;
           deleteItems.push(item);
           if (!this._view.hasNextSibling(-1, ci))
             --nextSelected;
           if (!this._view.hasNextSibling(-1, item.parentIndex))
             --nextSelected;
           this._view._removeItemAtIndex(item.parentIndex);
           invalidateRow = item.parentIndex;
         }
         else {
           deleteItems.push(item);
           if (!this._view.hasNextSibling(-1, ci))
             --nextSelected;
           this._view._removeItemAtIndex(ci);
         }
       }
       this._view._rowCount += rowCountImpact;
       tbo.rowCountChanged(ci, rowCountImpact);
       if (invalidateRow != -1)
         tbo.invalidateRow(invalidateRow);
     }
     else {
       var rangeCount = seln.getRangeCount();
       // Traverse backwards through selections to avoid messing
       // up the indices when they are deleted.
       // See bug 388079.
       for (var i = rangeCount - 1; i >= 0; --i) {
         var min = {}; var max = {};
         seln.getRangeAt(i, min, max);
         nextSelected = min.value;
         for (var j = min.value; j <= max.value; ++j) {
           deleteItems.push(this._view._getItemAtIndex(j));
           if (!this._view.hasNextSibling(-1, max.value))
             --nextSelected;
         }
         var delta = max.value - min.value + 1;
         this._view._removeItemAtIndex(min.value, delta);
         rowCountImpact = -1 * delta;
         this._view._rowCount += rowCountImpact;
         tbo.rowCountChanged(min.value, rowCountImpact);
       }
     }
     this.performDeletion(deleteItems);
     if (nextSelected < 0)
       seln.clearSelection();
     else {
       seln.select(nextSelected);
       this._tree.focus();
     }
   },
   deleteAllCookies: function () {
     if (this._view._filtered) {
       var rowCount = this._view.rowCount;
       var deleteItems = [];
       for (var index = 0; index < rowCount; index++) {
         deleteItems.push(this._view._getItemAtIndex(index));
       }
       this._view._removeItemAtIndex(0, rowCount);
       this._view._rowCount = 0;
       this._tree.treeBoxObject.rowCountChanged(0, -rowCount);
       this.performDeletion(deleteItems);
     }
     else {
       this._cm.removeAll();
     }
     this._updateRemoveAllButton();
     this.focusFilterBox();
   },
   onCookieKeyPress: function (aEvent) {
     if (aEvent.keyCode == 46)
       this.deleteCookie();
   },
   _lastSortProperty : "",
   _lastSortAscending: false,
   sort: function (aProperty) {
     var ascending = (aProperty == this._lastSortProperty) ? !this._lastSortAscending : true;
     // Sort the Non-Filtered Host Collections
     if (aProperty == "rawHost") {
       function sortByHost(a, b) {
         return a.toLowerCase().localeCompare(b.toLowerCase());
       }
       this._hostOrder.sort(sortByHost);
       if (!ascending)
         this._hostOrder.reverse();
     }
     function sortByProperty(a, b) {
       return a[aProperty].toLowerCase().localeCompare(b[aProperty].toLowerCase());
     }
     for (var host in this._hosts) {
       var cookies = this._hosts[host].cookies;
       cookies.sort(sortByProperty);
       if (!ascending)
         cookies.reverse();
     }
     // Sort the Filtered List, if in Filtered mode
     if (this._view._filtered) {
       this._view._filterSet.sort(sortByProperty);
       if (!ascending)
         this._view._filterSet.reverse();
     }
     // Adjust the Sort Indicator
     var domainCol = document.getElementById("domainCol");
     var nameCol = document.getElementById("nameCol");
     var sortOrderString = ascending ? "ascending" : "descending";
     if (aProperty == "rawHost") {
       domainCol.setAttribute("sortDirection", sortOrderString);
       nameCol.removeAttribute("sortDirection");
     }
     else {
       nameCol.setAttribute("sortDirection", sortOrderString);
       domainCol.removeAttribute("sortDirection");
     }
     this._view._invalidateCache(0);
     this._view.selection.clearSelection();
     this._view.selection.select(0);
     this._tree.treeBoxObject.invalidate();
     this._tree.treeBoxObject.ensureRowIsVisible(0);
     this._lastSortAscending = ascending;
     this._lastSortProperty = aProperty;
   },
   clearFilter: function () {
     // Revert to single-select in the tree
     this._tree.setAttribute("seltype", "single");
     // Clear the Tree Display
     this._view._filtered = false;
     this._view._rowCount = 0;
     this._tree.treeBoxObject.rowCountChanged(0, -this._view._filterSet.length);
     this._view._filterSet = [];
     // Just reload the list to make sure deletions are respected
     this._loadCookies();
     this._tree.treeBoxObject.view = this._view;
     // Restore sort order
     var sortby = this._lastSortProperty;
     if (sortby == "") {
       this._lastSortAscending = false;
       this.sort("rawHost");
     }
     else {
       this._lastSortAscending = !this._lastSortAscending;
       this.sort(sortby);
     }
     // Restore open state
     for (var i = 0; i < this._openIndices.length; ++i)
       this._view.toggleOpenState(this._openIndices[i]);
     this._openIndices = [];
     // Restore selection
     this._view.selection.clearSelection();
     for (i = 0; i < this._lastSelectedRanges.length; ++i) {
       var range = this._lastSelectedRanges[i];
       this._view.selection.rangedSelect(range.min, range.max, true);
     }
     this._lastSelectedRanges = [];
     document.getElementById("cookiesIntro").value = this._bundle.getString("cookiesAll");
     this._updateRemoveAllButton();
   },
   _cookieMatchesFilter: function (aCookie) {
     return aCookie.rawHost.indexOf(this._view._filterValue) != -1 ||
            aCookie.name.indexOf(this._view._filterValue) != -1 ||
            aCookie.value.indexOf(this._view._filterValue) != -1;
   },
   _filterCookies: function (aFilterValue) {
     this._view._filterValue = aFilterValue;
     var cookies = [];
     for (var i = 0; i < gCookiesWindow._hostOrder.length; ++i) { //var host in gCookiesWindow._hosts) {
       var currHost = gCookiesWindow._hosts[gCookiesWindow._hostOrder[i]]; // gCookiesWindow._hosts[host];
       if (!currHost) continue;
       for (var j = 0; j < currHost.cookies.length; ++j) {
         var cookie = currHost.cookies[j];
         if (this._cookieMatchesFilter(cookie))
           cookies.push(cookie);
       }
     }
     return cookies;
   },
   _lastSelectedRanges: [],
   _openIndices: [],
   _saveState: function () {
     // Save selection
     var seln = this._view.selection;
     this._lastSelectedRanges = [];
     var rangeCount = seln.getRangeCount();
     for (var i = 0; i < rangeCount; ++i) {
       var min = {}; var max = {};
       seln.getRangeAt(i, min, max);
       this._lastSelectedRanges.push({ min: min.value, max: max.value });
     }
     // Save open states
     this._openIndices = [];
     for (i = 0; i < this._view.rowCount; ++i) {
       var item = this._view._getItemAtIndex(i);
       if (item && item.container && item.open)
         this._openIndices.push(i);
     }
   },
   _updateRemoveAllButton: function gCookiesWindow__updateRemoveAllButton() {
     document.getElementById("removeAllCookies").disabled = this._view._rowCount == 0;
   },
   filter: function () {
     var filter = document.getElementById("filter").value;
     if (filter == "") {
       gCookiesWindow.clearFilter();
       return;
     }
     var view = gCookiesWindow._view;
     view._filterSet = gCookiesWindow._filterCookies(filter);
     if (!view._filtered) {
       // Save Display Info for the Non-Filtered mode when we first
       // enter Filtered mode.
       gCookiesWindow._saveState();
       view._filtered = true;
     }
     // Move to multi-select in the tree
     gCookiesWindow._tree.setAttribute("seltype", "multiple");
     // Clear the display
     var oldCount = view._rowCount;
     view._rowCount = 0;
     gCookiesWindow._tree.treeBoxObject.rowCountChanged(0, -oldCount);
     // Set up the filtered display
     view._rowCount = view._filterSet.length;
     gCookiesWindow._tree.treeBoxObject.rowCountChanged(0, view.rowCount);
     // if the view is not empty then select the first item
     if (view.rowCount > 0)
       view.selection.select(0);
     document.getElementById("cookiesIntro").value = gCookiesWindow._bundle.getString("cookiesFiltered");
     this._updateRemoveAllButton();
   },
   setFilter: function (aFilterString) {
     document.getElementById("filter").value = aFilterString;
     this.filter();
   },
   focusFilterBox: function () {
     var filter = document.getElementById("filter");
     filter.focus();
     filter.select();
   },
   onWindowKeyPress: function (aEvent) {
     if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE)
       window.close();
   }
 };