Single instance checks

app/js/lib/config.js

@@ -133,7 +133,7 @@ Config.LangCountries = {"es": "ES", "ru": "RU", "en": "US", "de": "DE", "it": "I
 
     for (i = 0; i < keys.length; i++) {
       key = keys[i] = prefix + keys[i];
-      if (cache[key] !== undefined) {
+      if (key.substr(0, 3) != 'xt_' && cache[key] !== undefined) {
         result.push(cache[key]);
       }
       else if (useLs) {

app/js/lib/mtproto.js

@@ -563,6 +563,7 @@ angular.module('izhukov.mtproto', ['izhukov.utils'])
       iii = 0,
       offline,
       offlineInited = false,
+      akStopped = false,
       chromeMatches = navigator.userAgent.match(/Chrome\/(\d+(\.\d+)?)/),
       chromeVersion = chromeMatches && parseFloat(chromeMatches[1]) || false,
       xhrSendBuffer = !('ArrayBufferView' in window) && (!chromeVersion || chromeVersion < 30);
@@ -771,7 +772,9 @@ angular.module('izhukov.mtproto', ['izhukov.utils'])
   MtpNetworker.prototype.checkLongPoll = function(force) {
     var isClean = this.cleanupSent();
     // console.log('Check lp', this.longPollPending, tsNow(), this.dcID, isClean);
-    if (this.longPollPending && tsNow() < this.longPollPending || this.offline) {
+    if (this.longPollPending && tsNow() < this.longPollPending ||
+        this.offline ||
+        akStopped) {
       return false;
     }
     var self = this;
@@ -962,7 +965,7 @@ angular.module('izhukov.mtproto', ['izhukov.utils'])
 
   MtpNetworker.prototype.performSheduledRequest = function() {
     // console.log(dT(), 'sheduled', this.dcID, this.iii);
-    if (this.offline) {
+    if (this.offline || akStopped) {
       console.log(dT(), 'Cancel sheduled');
       return false;
     }
@@ -1558,13 +1561,26 @@ angular.module('izhukov.mtproto', ['izhukov.utils'])
     }
   };
 
+  function startAll() {
+    if (akStopped) {
+      akStopped = false;
+      updatesProcessor({_: 'new_session_created'});
+    }
+  }
+
+  function stopAll() {
+    akStopped = true;
+  }
+
   return {
     getNetworker: function (dcID, authKey, serverSalt, options) {
       return new MtpNetworker(dcID, authKey, serverSalt, options);
     },
     setUpdatesProcessor: function (callback) {
       updatesProcessor = callback;
-    }
+    },
+    stopAll: stopAll,
+    startAll: startAll
   };
 
 })

app/js/lib/mtproto_wrapper.js

@@ -7,12 +7,14 @@
 
 angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
 
-.factory('MtpApiManager', function (Storage, MtpAuthorizer, MtpNetworkerFactory, ErrorService, $q) {
+.factory('MtpApiManager', function (Storage, MtpAuthorizer, MtpNetworkerFactory, MtpSingleInstanceService, ErrorService, $q) {
   var cachedNetworkers = {},
       cachedUploadNetworkers = {},
       cachedExportPromise = {},
       baseDcID = false;
 
+  MtpSingleInstanceService.start();
+
   Storage.get('dc').then(function (dcID) {
     if (dcID) {
       baseDcID = dcID;
@@ -610,3 +612,80 @@ angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
     uploadFile: uploadFile
   };
 })
+
+.service('MtpSingleInstanceService', function ($rootScope, $interval, Storage, AppRuntimeManager, IdleManager, ErrorService, MtpNetworkerFactory) {
+
+  var instanceID = nextRandomInt(0xFFFFFFFF);
+  var started = false;
+  var masterInstance  = false;
+  var startTime       = tsNow();
+  var errorShowTime = 0;
+
+  function start() {
+    if (!started) {
+      started = true;
+
+      IdleManager.start();
+
+      startTime = tsNow();
+      $rootScope.$watch('idle.isIDLE', checkInstance);
+      $interval(checkInstance, 5000);
+      checkInstance();
+
+      try {
+        $($window).on('beforeunload', clearInstance);
+      } catch (e) {};
+    }
+  }
+
+  function clearInstance () {
+    Storage.remove(masterInstance ? 'xt_instance' : 'xt_idle_instance');
+  }
+
+  function checkInstance() {
+    var time = tsNow();
+    var idle = $rootScope.idle && $rootScope.idle.isIDLE;
+    var newInstance = {id: instanceID, idle: idle, time: time};
+
+    Storage.get('xt_instance', 'xt_idle_instance').then(function (result) {
+      var curInstance = result[0],
+          idleInstance = result[1];
+
+      if (!curInstance ||
+          curInstance.time < time - 60000 ||
+          curInstance.id == instanceID ||
+          curInstance.idle ||
+          !idle) {
+
+        if (idleInstance) {
+          if (idleInstance.id == instanceID) {
+            Storage.remove('xt_idle_instance');
+          }
+          else if (idleInstance.time > time - 10000 &&
+                   time > errorShowTime) {
+
+            ErrorService.show({error: {type: 'MULTIPLE_TABS_OPEN'}});
+            errorShowTime += tsNow() + 60000;
+          }
+        }
+        Storage.set({xt_instance: newInstance});
+        if (!masterInstance) {
+          MtpNetworkerFactory.startAll();
+        }
+        masterInstance = true;
+      } else {
+        Storage.set({xt_idle_instance: newInstance});
+        if (masterInstance) {
+          MtpNetworkerFactory.stopAll();
+        }
+        masterInstance = false;
+
+      }
+    });
+  }
+
+  return {
+    start: start
+  }
+})
+

app/js/lib/ng_utils.js

@@ -808,6 +808,11 @@ angular.module('izhukov.utils', [])
         chrome.runtime.reload();
       };
     },
+    close: function () {
+      try {
+        $window.close();
+      } catch (e) {}
+    },
     focus: function () {
       if (window.navigator.mozApps && document.hidden) {
         // Get app instance and launch it to bring app to foreground

app/js/locales/en-us.json

@@ -195,6 +195,7 @@
 	"message_service_left_group": "left group",
 	"message_service_unsupported_action": "Unsupported action {action}",
 
+	"error_modal_warning_title": "Warning",
 	"error_modal_bad_request_title": "Error",
 	"error_modal_unauthorized_title": "Unauthorized",
 	"error_modal_forbidden_title": "Access denied",
@@ -224,6 +225,8 @@
 	"error_modal_flood_description": "You are performing too many actions. Please try again later.",
 	"error_modal_internal_description": "Internal server error occured. Please try again later.",
 	"error_modal_tech_details": "Technical details here",
+	"error_modal_multiple_open_tabs": "Telegram Web doesn't support working in multiple tabs. Please close other app instances.",
+
 
 	"head_new_group": "New Group",
 	"head_new_contact": "New Contact",

app/js/services.js

@@ -3463,7 +3463,9 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
 
 
     try {
-      $($window).on('beforeunload', notificationsClear);
+      if ('onbeforeunload' in window) {
+        $($window).on('beforeunload', notificationsClear);
+      }
     } catch (e) {}
   }
 

app/partials/desktop/error_modal.html

@@ -5,6 +5,7 @@
   <div class="modal-body">
 
     <h4 ng-if="error" class="modal_simple_header" ng-switch="error.type">
+      <span ng-switch-when="MULTIPLE_TABS_OPEN" my-i18n="error_modal_warning_title"></span>
       <span ng-switch-default ng-switch="error.code">
         <span ng-switch-when="400" my-i18n="error_modal_bad_request_title"></span>
         <span ng-switch-when="401" my-i18n="error_modal_unauthorized_title"></span>
@@ -35,6 +36,8 @@
       <span ng-switch-when="PHONEBOOK_GET_CONTACTS_FAILED" my-i18n="error_modal_phonebook_required_description"></span>
       <span ng-switch-when="USERNAME_INVALID" my-i18n="error_modal_username_invalid_description"></span>
       <span ng-switch-when="USERNAME_OCCUPIED" my-i18n="error_modal_username_occupied_description"></span>
+      <span ng-switch-when="MULTIPLE_TABS_OPEN" my-i18n="error_modal_multiple_open_tabs"></span>
+
 
       <div ng-switch-default ng-switch="error.code">
         <span ng-switch-when="400" my-i18n="error_modal_bad_request_description"></span>