Improved layout switching

Closes #619
Closes #710

app/js/controllers.js

@@ -2517,7 +2517,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
   })
 
-  .controller('SettingsModalController', function ($rootScope, $scope, $timeout, $modal, AppUsersManager, AppChatsManager, AppPhotosManager, MtpApiManager, Storage, NotificationsManager, MtpApiFileManager, ApiUpdatesManager, ChangelogNotifyService, AppRuntimeManager, ErrorService, _) {
+  .controller('SettingsModalController', function ($rootScope, $scope, $timeout, $modal, AppUsersManager, AppChatsManager, AppPhotosManager, MtpApiManager, Storage, NotificationsManager, MtpApiFileManager, ApiUpdatesManager, ChangelogNotifyService, LayoutSwitchService, AppRuntimeManager, ErrorService, _) {
 
     $scope.profile = {};
     $scope.photo = {};
@@ -2718,6 +2718,11 @@ angular.module('myApp.controllers', ['myApp.i18n'])
         });
       })
     };
+
+    $scope.switchBackToDesktop = Config.Mobile && !Config.Navigator.mobile;
+    $scope.switchToDesktop = function () {
+      LayoutSwitchService.switchLayout(false);
+    };
   })
 
   .controller('ChangelogModalController', function ($scope, $modal) {

app/js/init.js

@@ -72,7 +72,7 @@
   }
   $(document.body).addClass(classes.join(' '));
 
-  ConfigStorage.get('current_layout', 'i18n_locale', function (params) {
+  ConfigStorage.get('layout_selected', 'i18n_locale', function (params) {
     var layout = params[0],
         locale = params[1],
         defaultLocale = 'en-us',
@@ -100,7 +100,8 @@
       case 'mobile': Config.Mobile = true; break;
       case 'desktop': Config.Mobile = false; break;
       default:
-        Config.Mobile = Config.Navigator.mobile || $(window).width() < 480;
+        var width = $(window).width();
+        Config.Mobile = Config.Navigator.mobile || width > 10 && width < 480;
         break;
     }
     $('head').append(

app/js/locales/en-us.json

@@ -48,6 +48,7 @@
 	"settings_modal_enter_send_description_md": "**Enter** - send message, **Shift + Enter** - new line",
 	"settings_modal_ctrl_enter_send_description_md": "**Ctrl + Enter** - send message, **Enter** - new line",
 	"settings_modal_send_on_enter": "Send on Enter",
+	"settings_switch_back_to_desktop": "Switch back to Desktop layout",
 	"settings_modal_about": "About",
 	"settings_modal_source_code_github": "Source code on GitHub",
 	"settings_modal_follow_us_twitter": "Follow us on Twitter!",

app/js/services.js

@@ -4706,9 +4706,10 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
   var confirmShown = false;
 
   function switchLayout(mobile) {
+    ConfigStorage.noPrefix();
     Storage.set({
-      current_layout: mobile ? 'mobile' : 'desktop',
+      layout_selected: mobile ? 'mobile' : 'desktop',
-      layout_confirmed: {width: $(window).width(), mobile: mobile}
+      layout_width: $(window).width()
     }).then(function () {
       AppRuntimeManager.reload();
     });
@@ -4719,28 +4720,25 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       return;
     }
     var width = $(window).width();
-    if (!e && Config.Mobile && width <= 800) {
+    var newMobile = width < 600;
+    if (!width ||
+        !e && (Config.Navigator.mobile ? width <= 800 : newMobile)) {
       return;
     }
-    var newMobile = width < 600;
     if (newMobile != Config.Mobile) {
-      Storage.get('layout_confirmed').then(function (result) {
+      ConfigStorage.noPrefix();
-        if (result &&
+      Storage.get('layout_width').then(function (confirmedWidth) {
-            (result.mobile
+        if (width == confirmedWidth) {
-              ? width == result.width
-              : width == result.width
-            )
-        ) {
           return false;
         }
         confirmShown = true;
         ErrorService.confirm({
           type: newMobile ? 'SWITCH_MOBILE_VERSION' : 'SWITCH_DESKTOP_VERSION'
         }).then(function () {
-          Storage.remove('layout_confirmed');
           switchLayout(newMobile);
         }, function () {
-          Storage.set({layout_confirmed: {width: width, mobile: Config.Mobile}});
+          ConfigStorage.noPrefix();
+          Storage.set({layout_width: width});
           confirmShown = false;
         });
       });

app/partials/mobile/settings_modal.html

@@ -134,6 +134,12 @@
       </div>
     </div>
 
+    <div class="mobile_modal_section" ng-if="switchBackToDesktop">
+      <div class="mobile_modal_section_value">
+        <a href="" ng-click="switchToDesktop()" my-i18n="settings_switch_back_to_desktop"></a>
+      </div>
+    </div>
+
     <div class="mobile_modal_section">
       <h4 class="mobile_modal_section_header" my-i18n="settings_modal_about"></h4>
       <div class="mobile_modal_section_body settings_about_section_body clearfix">