michael@0: // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: 
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*** =================== INITIALISATION CODE =================== ***/
michael@0: 
michael@0: var kObserverService;
michael@0: 
michael@0: // interface variables
michael@0: var passwordmanager     = null;
michael@0: 
michael@0: // password-manager lists
michael@0: var signons             = [];
michael@0: var rejects             = [];
michael@0: var deletedSignons      = [];
michael@0: var deletedRejects      = [];
michael@0: 
michael@0: var signonsTree;
michael@0: var rejectsTree;
michael@0: 
michael@0: var showingPasswords = false;
michael@0: 
michael@0: function Startup() {
michael@0:   // xpconnect to password manager interfaces
michael@0:   passwordmanager = Components.classes["@mozilla.org/login-manager;1"]
michael@0:                         .getService(Components.interfaces.nsILoginManager);
michael@0: 
michael@0:   // be prepared to reload the display if anything changes
michael@0:   kObserverService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
michael@0:   kObserverService.addObserver(signonReloadDisplay, "passwordmgr-storage-changed", false);
michael@0: 
michael@0:   signonsTree = document.getElementById("signonsTree");
michael@0:   rejectsTree = document.getElementById("rejectsTree");
michael@0: }
michael@0: 
michael@0: function Shutdown() {
michael@0:   kObserverService.removeObserver(signonReloadDisplay, "passwordmgr-storage-changed");
michael@0: }
michael@0: 
michael@0: var signonReloadDisplay = {
michael@0:   observe: function(subject, topic, data) {
michael@0:     if (topic == "passwordmgr-storage-changed") {
michael@0:       switch (data) {
michael@0:         case "addLogin":
michael@0:         case "modifyLogin":
michael@0:         case "removeLogin":
michael@0:         case "removeAllLogins":
michael@0:           if (!signonsTree) {
michael@0:             return;
michael@0:           }
michael@0:           signons.length = 0;
michael@0:           LoadSignons();
michael@0:           // apply the filter if needed
michael@0:           if (document.getElementById("filter") && document.getElementById("filter").value != "") {
michael@0:             _filterPasswords();
michael@0:           }
michael@0:           break;
michael@0:         case "hostSavingEnabled":
michael@0:         case "hostSavingDisabled":
michael@0:           if (!rejectsTree) {
michael@0:             return;
michael@0:           }
michael@0:           rejects.length = 0;
michael@0:           if (lastRejectSortColumn == "hostname") {
michael@0:             lastRejectSortAscending = !lastRejectSortAscending; // prevents sort from being reversed
michael@0:           }
michael@0:           LoadRejects();
michael@0:           break;
michael@0:       }
michael@0:       kObserverService.notifyObservers(null, "passwordmgr-dialog-updated", null);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: /*** =================== GENERAL CODE =================== ***/
michael@0: 
michael@0: function DeleteAllFromTree(tree, view, table, deletedTable, removeButton, removeAllButton) {
michael@0: 
michael@0:   // remove all items from table and place in deleted table
michael@0:   for (var i=0; i<table.length; i++) {
michael@0:     deletedTable[deletedTable.length] = table[i];
michael@0:   }
michael@0:   table.length = 0;
michael@0: 
michael@0:   // clear out selections
michael@0:   view.selection.select(-1); 
michael@0: 
michael@0:   // update the tree view and notify the tree
michael@0:   view.rowCount = 0;
michael@0: 
michael@0:   var box = tree.treeBoxObject;
michael@0:   box.rowCountChanged(0, -deletedTable.length);
michael@0:   box.invalidate();
michael@0: 
michael@0: 
michael@0:   // disable buttons
michael@0:   document.getElementById(removeButton).setAttribute("disabled", "true")
michael@0:   document.getElementById(removeAllButton).setAttribute("disabled","true");
michael@0: }
michael@0: 
michael@0: function DeleteSelectedItemFromTree
michael@0:     (tree, view, table, deletedTable, removeButton, removeAllButton) {
michael@0: 
michael@0:   // Turn off tree selection notifications during the deletion
michael@0:   tree.view.selection.selectEventsSuppressed = true;
michael@0: 
michael@0:   // remove selected items from list (by setting them to null) and place in deleted list
michael@0:   var selections = GetTreeSelections(tree);
michael@0:   for (var s=selections.length-1; s>= 0; s--) {
michael@0:     var i = selections[s];
michael@0:     deletedTable[deletedTable.length] = table[i];
michael@0:     table[i] = null;
michael@0:   }
michael@0: 
michael@0:   // collapse list by removing all the null entries
michael@0:   for (var j=0; j<table.length; j++) {
michael@0:     if (table[j] == null) {
michael@0:       var k = j;
michael@0:       while ((k < table.length) && (table[k] == null)) {
michael@0:         k++;
michael@0:       }
michael@0:       table.splice(j, k-j);
michael@0:       view.rowCount -= k - j;
michael@0:       tree.treeBoxObject.rowCountChanged(j, j - k);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // update selection and/or buttons
michael@0:   if (table.length) {
michael@0:     // update selection
michael@0:     var nextSelection = (selections[0] < table.length) ? selections[0] : table.length-1;
michael@0:     tree.view.selection.select(nextSelection);
michael@0:     tree.treeBoxObject.ensureRowIsVisible(nextSelection);
michael@0:   } else {
michael@0:     // disable buttons
michael@0:     document.getElementById(removeButton).setAttribute("disabled", "true")
michael@0:     document.getElementById(removeAllButton).setAttribute("disabled","true");
michael@0:   }
michael@0:   tree.view.selection.selectEventsSuppressed = false;
michael@0: }
michael@0: 
michael@0: function GetTreeSelections(tree) {
michael@0:   var selections = [];
michael@0:   var select = tree.view.selection;
michael@0:   if (select) {
michael@0:     var count = select.getRangeCount();
michael@0:     var min = new Object();
michael@0:     var max = new Object();
michael@0:     for (var i=0; i<count; i++) {
michael@0:       select.getRangeAt(i, min, max);
michael@0:       for (var k=min.value; k<=max.value; k++) {
michael@0:         if (k != -1) {
michael@0:           selections[selections.length] = k;
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   return selections;
michael@0: }
michael@0: 
michael@0: function SortTree(tree, view, table, column, lastSortColumn, lastSortAscending, updateSelection) {
michael@0: 
michael@0:   // remember which item was selected so we can restore it after the sort
michael@0:   var selections = GetTreeSelections(tree);
michael@0:   var selectedNumber = selections.length ? table[selections[0]].number : -1;
michael@0: 
michael@0:   // determine if sort is to be ascending or descending
michael@0:   var ascending = (column == lastSortColumn) ? !lastSortAscending : true;
michael@0: 
michael@0:   // do the sort
michael@0:   var compareFunc;
michael@0:   if (ascending) {
michael@0:     compareFunc = function compare(first, second) {
michael@0:       return CompareLowerCase(first[column], second[column]);
michael@0:     }
michael@0:   } else {
michael@0:     compareFunc = function compare(first, second) {
michael@0:       return CompareLowerCase(second[column], first[column]);
michael@0:     }
michael@0:   }
michael@0:   table.sort(compareFunc);
michael@0: 
michael@0:   // restore the selection
michael@0:   var selectedRow = -1;
michael@0:   if (selectedNumber>=0 && updateSelection) {
michael@0:     for (var s=0; s<table.length; s++) {
michael@0:       if (table[s].number == selectedNumber) {
michael@0:         // update selection
michael@0:         // note: we need to deselect before reselecting in order to trigger ...Selected()
michael@0:         tree.view.selection.select(-1);
michael@0:         tree.view.selection.select(s);
michael@0:         selectedRow = s;
michael@0:         break;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // display the results
michael@0:   tree.treeBoxObject.invalidate();
michael@0:   if (selectedRow >= 0) {
michael@0:     tree.treeBoxObject.ensureRowIsVisible(selectedRow)
michael@0:   }
michael@0: 
michael@0:   return ascending;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Case insensitive string comparator.
michael@0:  */
michael@0: function CompareLowerCase(first, second) {
michael@0:   var firstLower, secondLower;
michael@0: 
michael@0:   // Are we sorting nsILoginInfo entries or just strings?
michael@0:   if (first.hostname) {
michael@0:     firstLower  = first.hostname.toLowerCase();
michael@0:     secondLower = second.hostname.toLowerCase();
michael@0:   } else {
michael@0:     firstLower  = first.toLowerCase();
michael@0:     secondLower = second.toLowerCase();
michael@0:   }
michael@0: 
michael@0:   if (firstLower < secondLower) {
michael@0:     return -1;
michael@0:   }
michael@0: 
michael@0:   if (firstLower > secondLower) {
michael@0:     return 1;
michael@0:   }
michael@0: 
michael@0:   return 0;
michael@0: }