Use url query params to trak state in the app

src/js/app.js

@@ -35,8 +35,7 @@ var axe = require('axe-logger'),
     WriteCtrl = require('./controller/app/write'),
     NavigationCtrl = require('./controller/app/navigation'),
     ActionBarCtrl = require('./controller/app/action-bar'),
-    StatusDisplayCtrl = require('./controller/app/status-display'),
+    StatusDisplayCtrl = require('./controller/app/status-display');
-    backButtonUtil = require('./util/backbutton-handler');
 
 // include angular modules
 require('./app-config');
@@ -109,24 +108,11 @@ app.config(function($routeProvider, $animateProvider) {
         templateUrl: 'tpl/login-privatekey-download.html',
         controller: LoginPrivateKeyDownloadCtrl
     });
-
+    $routeProvider.when('/account', {
-    //
-    // main app routes
-    //
-
-    var accountRoute = {
         templateUrl: 'tpl/desktop.html',
-        controller: NavigationCtrl
+        controller: NavigationCtrl,
-    };
+        reloadOnSearch: false // don't reload controllers in main app when query params change
-
+    });
-    $routeProvider.when('/account', accountRoute);
-    $routeProvider.when('/account/:folderIndex', accountRoute);
-    $routeProvider.when('/account/:folderIndex/:uid', accountRoute);
-
-    //
-    // Default route
-    //
-
     $routeProvider.otherwise({
         redirectTo: '/login'
     });
@@ -138,10 +124,6 @@ app.config(function($routeProvider, $animateProvider) {
 app.run(function($rootScope) {
     // global state... inherited to all child scopes
     $rootScope.state = {};
-
-    // attach the back button handler to the root scope
-    backButtonUtil.attachHandler($rootScope);
-
     // attach fastclick
     FastClick.attach(document.body);
 });

src/js/controller/app/action-bar.js

@@ -15,7 +15,7 @@ var ActionBarCtrl = function($scope, email, dialog, statusDisplay) {
         }
 
         // close read state
-        $scope.state.read.open = false;
+        $scope.state.read.toggle(false);
 
         statusDisplay.update('Moving message...');
 
@@ -76,7 +76,7 @@ var ActionBarCtrl = function($scope, email, dialog, statusDisplay) {
         }
 
         // close read state
-        $scope.state.read.open = false;
+        $scope.state.read.toggle(false);
 
         statusDisplay.update('Deleting message...');
 
@@ -122,7 +122,7 @@ var ActionBarCtrl = function($scope, email, dialog, statusDisplay) {
 
         // close read state
         if (!keepOpen) {
-            $scope.state.read.open = false;
+            $scope.state.read.toggle(false);
         }
 
         var originalState = message.unread;

src/js/controller/app/mail-list.js

@@ -1,17 +1,17 @@
 'use strict';
 
-var searchTimeout, firstSelect;
+var searchTimeout;
 
 //
 // Constants
 //
 
-var INIT_DISPLAY_LEN = 20,
+var INIT_DISPLAY_LEN = 50,
     SCROLL_DISPLAY_LEN = 10,
     FOLDER_TYPE_INBOX = 'Inbox',
     NOTIFICATION_INBOX_TIMEOUT = 5000;
 
-var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter, statusDisplay, notification, email, keychain, dialog, search, dummy) {
+var MailListCtrl = function($scope, $timeout, $location, $filter, statusDisplay, notification, email, keychain, dialog, search, dummy) {
 
     //
     // Init
@@ -24,6 +24,30 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
      */
     $scope.pendingNotifications = [];
 
+    //
+    // url/history handling
+    //
+
+    /**
+     * Set the route to a message which will go to read mode
+     */
+    $scope.navigate = function(message) {
+        $location.search('uid', message.uid);
+    };
+
+    $scope.loc = $location;
+    $scope.$watch('(loc.search()).uid', function(uid) {
+        if (typeof uid === 'undefined') {
+            // no uid specified in url... select no message
+            $scope.select();
+            return;
+        }
+        // select the message specified by the uid in the url
+        $scope.select(_.findWhere(currentFolder().messages, {
+            uid: typeof uid === 'string' ? parseInt(uid, 10) : uid
+        }));
+    });
+
     //
     // scope functions
     //
@@ -50,10 +74,6 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
         });
     };
 
-    $scope.navigate = function(message) {
-        $location.path('/account/' + $routeParams.folderIndex + '/' + message.uid);
-    };
-
     /**
      * Called when clicking on an message list item
      */
@@ -66,11 +86,10 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
 
         $scope.state.mailList.selected = message;
 
-        if (!firstSelect) {
+        if ($location.search().dev) {
-            // only toggle to read view on 2nd select in mobile mode
+            // stop here in dev mode
-            $scope.state.read.toggle(true);
+            return;
         }
-        firstSelect = false;
 
         keychain.refreshKeyForUserId({
             userId: message.from[0].address
@@ -102,11 +121,6 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
         }
     };
 
-    var selectedMessage = _.findWhere(currentFolder().messages, {
-        uid: $routeParams.uid
-    });
-    $scope.select(selectedMessage);
-
     $scope.flag = function(message, flagged) {
         $scope.state.actionBar.flagMessage(message, flagged);
     };
@@ -141,7 +155,7 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
         $scope.searchText = undefined;
 
         // in development, display dummy mail objects
-        if ($routeParams.dev) {
+        if ($location.search().dev) {
             statusDisplay.update('Last update: ', new Date());
             currentFolder().messages = dummy.listMails();
             return;
@@ -157,15 +171,9 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
         }
 
         // sort message by uid
-        currentFolder().messages.sort(byUidDescending);
+        messages.sort(byUidDescending);
         // set display buffer to first messages
-        $scope.displayMessages = currentFolder().messages.slice(0, INIT_DISPLAY_LEN);
+        $scope.displayMessages = messages.slice(0, INIT_DISPLAY_LEN);
-
-        // Shows the next message based on the uid of the currently selected element
-        if (currentFolder().messages.indexOf(currentMessage()) === -1) {
-            firstSelect = true; // reset first selection
-            $scope.navigate($scope.displayMessages[0]);
-        }
     });
 
     /**
@@ -300,16 +308,12 @@ var MailListCtrl = function($scope, $timeout, $location, $routeParams, $filter,
             title: title,
             message: message,
             onClick: function() {
-                // force toggle into read mode when notification is clicked
-                firstSelect = false;
-
                 // remove from pending notificatiosn
                 var index = $scope.pendingNotifications.indexOf(note);
                 if (index !== -1) {
                     $scope.pendingNotifications.splice(index, 1);
                 }
-
+                // open the message
-                // mark message as read
                 $scope.navigate(_.findWhere(currentFolder().messages, {
                     uid: unreadMsgs[0].uid
                 }));

src/js/controller/app/navigation.js

@@ -1,7 +1,5 @@
 'use strict';
 
-var backBtnHandler = require('../../util/backbutton-handler');
-
 //
 // Constants
 //
@@ -13,21 +11,17 @@ var NOTIFICATION_SENT_TIMEOUT = 2000;
 // Controller
 //
 
-var NavigationCtrl = function($scope, $routeParams, $location, account, email, outbox, notification, appConfig, dialog, dummy) {
+var NavigationCtrl = function($scope, $location, account, email, outbox, notification, appConfig, dialog, dummy) {
-    if (!$routeParams.dev && !account.isLoggedIn()) {
+    if (!$location.search().dev && !account.isLoggedIn()) {
         $location.path('/'); // init app
         return;
-    } else if (!$routeParams.folderIndex) {
-        $location.path('/account/0'); // navigate to default account's inbox by default
-        return;
     }
 
-    var folderIndex = $routeParams.folderIndex,
+    var str = appConfig.string,
-        str = appConfig.string,
         config = appConfig.config;
 
     //
-    // scope functions
+    // scope state
     //
 
     $scope.state.nav = {
@@ -37,6 +31,36 @@ var NavigationCtrl = function($scope, $routeParams, $location, account, email, o
         }
     };
 
+    //
+    // url/history handling
+    //
+
+    $scope.loc = $location;
+
+    // nav open/close state url watcher
+    $scope.$watch('(loc.search()).nav', function(open) {
+        // synchronize the url to the scope state
+        $scope.state.nav.toggle(!!open);
+    });
+    $scope.$watch('state.nav.open', function(value) {
+        // synchronize the scope state to the url
+        $location.search('nav', value ? true : null);
+    });
+
+    // lightbox state url watcher
+    $scope.$watch('(loc.search()).lightbox', function(value) {
+        // synchronize the url to the scope state
+        $scope.state.lightbox = (value) ? value : undefined;
+    });
+    $scope.$watch('state.lightbox', function(value) {
+        // synchronize the scope state to the url
+        $location.search('lightbox', value ? value : null);
+    });
+
+    //
+    // scope functions
+    //
+
     $scope.openFolder = function(folder) {
         $scope.state.nav.currentFolder = folder;
         $scope.state.nav.toggle(false);
@@ -76,16 +100,22 @@ var NavigationCtrl = function($scope, $routeParams, $location, account, email, o
     // Start
     //
 
-    // handle back button
-    backBtnHandler.start();
     // init folders
     initializeFolders();
 
-    // select current folder on init
+    // folder index url watcher
+    $scope.$watch('(loc.search()).folder', function(folderIndex) {
+        if (typeof folderIndex === 'undefined') {
+            $location.search('folder', 0); // navigate to inbox by default
+            return;
+        }
+        // select current folder
+        folderIndex = typeof folderIndex === 'string' ? parseInt(folderIndex, 10) : folderIndex;
         if ($scope.account.folders && $scope.account.folders.length > folderIndex) {
             // navigate to the selected folder index
             $scope.openFolder($scope.account.folders[folderIndex]);
         }
+    });
 
     // connect imap/smtp clients on first startup
     account.onConnect(function(err) {
@@ -107,7 +137,7 @@ var NavigationCtrl = function($scope, $routeParams, $location, account, email, o
 
     function initializeFolders() {
         // create dummy folder in dev environment only
-        if ($routeParams.dev) {
+        if ($location.search().dev) {
             $scope.$root.account = {};
             $scope.account.folders = dummy.listFolders();
             return;

src/js/controller/app/read.js

@@ -4,10 +4,14 @@
 // Controller
 //
 
-var ReadCtrl = function($scope, email, invitation, outbox, pgp, keychain, appConfig, download, auth, dialog) {
+var ReadCtrl = function($scope, $location, email, invitation, outbox, pgp, keychain, appConfig, download, auth, dialog) {
 
     var str = appConfig.string;
 
+    //
+    // scope state
+    //
+
     // set default value so that the popover height is correct on init
     $scope.keyId = 'No key found.';
 
@@ -18,7 +22,32 @@ var ReadCtrl = function($scope, email, invitation, outbox, pgp, keychain, appCon
         }
     };
 
+    //
+    // url/history handling
+    //
+
+    // read state url watcher
+    $scope.loc = $location;
+    $scope.$watch('(loc.search()).uid', function(uid) {
+        // synchronize the url to the scope state
+        $scope.state.read.toggle(!!uid);
+    });
+    $scope.$watch('state.read.open', function(value) {
+        // close read mode by navigating to folder view
+        if (!value) {
+            $location.search('uid', null);
+        }
+    });
+
+    //
+    // scope functions
+    //
+
     $scope.getKeyId = function(address) {
+        if ($location.search().dev || !address) {
+            return;
+        }
+
         $scope.keyId = 'Searching...';
         keychain.getReceiverPublicKey(address, function(err, pubkey) {
             if (err) {
@@ -41,7 +70,7 @@ var ReadCtrl = function($scope, email, invitation, outbox, pgp, keychain, appCon
     };
 
     $scope.$watch('state.mailList.selected', function(mail) {
-        if (!mail) {
+        if ($location.search().dev || !mail) {
             return;
         }
 

src/js/util/backbutton-handler.js

@@ -1,55 +0,0 @@
-'use strict';
-
-var axe = require('axe-logger'),
-    DEBUG_TAG = 'backbutton handler';
-
-/**
- * The back button handler introduces meaningful behavior fo rthe back button:
- * if there's an open lightbox, close it;
- * if the reader is open in mobile mode, close it;
- * if the navigation is open, close it;
- * if there's nothing else open, shut down the app;
- *
- * @type {Object}
- */
-var backBtnHandler = {
-    attachHandler: function(scope) {
-        this.scope = scope;
-    },
-    start: function() {
-        document.addEventListener("backbutton", handleBackButton, false);
-    },
-    stop: function() {
-        document.removeEventListener("backbutton", handleBackButton, false);
-    }
-};
-
-function handleBackButton(event) {
-    axe.debug(DEBUG_TAG, 'back button pressed');
-
-    // this disarms the default behavior which we NEVER want
-    event.preventDefault();
-    event.stopPropagation();
-
-    if (backBtnHandler.scope.state.lightbox) {
-        // closes the lightbox (error msgs, writer, ...)
-        backBtnHandler.scope.state.lightbox = undefined;
-        axe.debug(DEBUG_TAG, 'lightbox closed');
-        backBtnHandler.scope.$apply();
-    } else if (backBtnHandler.scope.state.read && backBtnHandler.scope.state.read.open) {
-        // closes the reader
-        backBtnHandler.scope.state.read.toggle(false);
-        axe.debug(DEBUG_TAG, 'reader closed');
-        backBtnHandler.scope.$apply();
-    } else if (backBtnHandler.scope.state.nav && backBtnHandler.scope.state.nav.open) {
-        // closes the navigation
-        backBtnHandler.scope.state.nav.toggle(false);
-        axe.debug(DEBUG_TAG, 'navigation closed');
-        backBtnHandler.scope.$apply();
-    } else {
-        // exits the app
-        navigator.app.exitApp();
-    }
-}
-
-module.exports = backBtnHandler;

src/tpl/nav.html

@@ -7,7 +7,7 @@
   <ul class="nav__folders">
     <li ng-repeat="folder in account.folders" ng-if="folder.wellknown" ng-hide="folder.type === 'Outbox' && folder.count < 1"
       class="nav__folder" ng-class="{'nav__folder--open': state.nav.currentFolder === folder}">
-      <a href="#/account/{{$index}}">
+      <a href="#/account?folder={{$index}}">
         <svg ng-if="folder.type === 'Inbox'" role="presentation">
           <use xlink:href="#icon-inbox" />
         </svg>
@@ -38,7 +38,7 @@
   <ul class="nav__folders">
     <li ng-repeat="folder in account.folders" ng-if="!folder.wellknown"
       class="nav__folder" ng-class="{'nav__folder--open': state.nav.currentFolder === folder}">
-      <a href="#/account/{{$index}}">
+      <a href="#/account?folder={{$index}}">
         <svg role="presentation"><use xlink:href="#icon-folder" /></svg>
         {{folder.name}}
         <span ng-show="folder.count > 0" class="nav__counter">{{folder.count}}</span>