Initial Web Push support

#981

app/js/lib/config.js

@@ -37,7 +37,8 @@ Config.Modes = {
   ios_standalone: window.navigator.standalone && navigator.userAgent.match(/iOS|iPhone|iPad/),
   chrome_packed: window.chrome && chrome.app && chrome.app.window && true || false,
   animations: true,
-  memory_only: false
+  memory_only: false,
+  push_api: location.search.indexOf('push=1') == -1
 }
 
 Config.Navigator = {

app/js/lib/ng_utils.js

@@ -1980,3 +1980,113 @@ angular.module('izhukov.utils', [])
 
     return timeParams
   })
+
+  .service('WebPushApiManager', function ($timeout, $q, $rootScope) {
+
+    var isAvailable = true
+    var isPushEnabled = false
+    var started = false
+
+    if (!('PushManager' in window) ||
+        !('Notification' in window) ||
+        !('serviceWorker' in navigator)) {
+      console.warn('Push messaging is not supported.')
+      isAvailable = false
+    }
+
+    if (Notification.permission === 'denied') {
+      console.warn('The user has blocked notifications.')
+    }
+
+    function start() {
+      if (!started) {
+        started = true
+        getSubscription()
+      }
+    }
+
+    function getSubscription() {
+      if (!isAvailable) {
+        return
+      }
+      navigator.serviceWorker.ready.then(function(reg) {
+        reg.pushManager.getSubscription().then(function(subscription) {
+          if (!subscription) {
+            console.log('Not yet subscribed to Push')
+            subscribe()
+            return
+          }
+
+          isPushEnabled = true
+          pushSubscriptionNotify('init', subscription)
+        })
+        .catch(function(err) {
+          console.log('Error during getSubscription()', err)
+        })
+      })
+    }
+
+    function subscribe() {
+      if (!isAvailable) {
+        return
+      }
+      navigator.serviceWorker.ready.then(function(reg) {
+        reg.pushManager.subscribe({userVisibleOnly: true}).then(function(subscription) {
+          // The subscription was successful
+          isPushEnabled = true
+          pushSubscriptionNotify('subscribe', subscription)
+        })
+        .catch(function(e) {
+          if (Notification.permission === 'denied') {
+            console.log('Permission for Notifications was denied')
+          } else {
+            console.log('Unable to subscribe to push.', e)
+          }
+        })
+      })
+    }
+
+    function unsubscribe() {
+      if (!isAvailable) {
+        return
+      }
+      navigator.serviceWorker.ready.then(function(reg) {
+        reg.pushManager.getSubscription().then(function (subscription) {
+          pushSubscriptionNotify('unsubscribe', subscription)
+
+          isPushEnabled = false
+
+          if (subscription) {
+            setTimeout(function() {
+              subscription.unsubscribe().then(function(successful) {
+                isPushEnabled = false
+              }).catch(function(e) {
+                console.error('Unsubscription error: ', e)
+              })
+            }, 3000)
+          }
+
+        }).catch(function(e) {
+          console.error('Error thrown while unsubscribing from ' +
+            'push messaging.', e)
+        })
+      })
+    }
+
+    function pushSubscriptionNotify(event, subscription) {
+      console.warn(dT(), 'Push', event, subscription.toJSON())
+      $rootScope.$emit('push_' + event, {
+        tokenType: 10,
+        tokenValue: JSON.stringify(subscription.toJSON())
+      })
+    }
+
+    return {
+      isAvailable: isAvailable,
+      start: start,
+      isPushEnabled: isPushEnabled,
+      subscribe: subscribe,
+      unsubscribe: unsubscribe
+    }
+
+  })

app/js/lib/push_worker.js

@@ -1 +1,47 @@
-console.log('push worker placeholder')
+console.log('Push worker placeholder')
+
+
+var port
+
+self.addEventListener('push', function(event) {
+  var obj = event.data.json()
+  console.log('push obj', obj)
+  fireNotification(obj, event)
+})
+
+self.onmessage = function(e) {
+  console.log(e)
+  port = e.ports[0]
+}
+
+function fireNotification(obj, event) {
+  var title = obj.title || 'Telegram'
+  var body = obj.description || ''
+  var icon = 'img/Telegram72.png'
+   
+  event.waitUntil(self.registration.showNotification(title, {
+    body: body,
+    icon: icon
+  }))
+}
+
+
+self.addEventListener('notificationclick', function(event) {
+  console.log('On notification click: ', event.notification.tag)
+  event.notification.close()
+
+  // This looks to see if the current is already open and
+  // focuses if it is
+  event.waitUntil(clients.matchAll({
+    type: 'window'
+  }).then(function(clientList) {
+    for (var i = 0; i < clientList.length; i++) {
+      var client = clientList[i]
+      if ('focus' in client) {
+        return client.focus()
+      }
+    }
+    if (clients.openWindow)
+      return clients.openWindow('')
+  }))
+})

app/js/services.js

@@ -3516,7 +3516,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
     }
   })
 
-  .service('NotificationsManager', function ($rootScope, $window, $interval, $q, _, MtpApiManager, AppPeersManager, IdleManager, Storage, AppRuntimeManager, FileManager) {
+  .service('NotificationsManager', function ($rootScope, $window, $interval, $q, _, MtpApiManager, AppPeersManager, IdleManager, Storage, AppRuntimeManager, FileManager, WebPushApiManager) {
     navigator.vibrate = navigator.vibrate || navigator.mozVibrate || navigator.webkitVibrate
 
     var notificationsMsSiteMode = false
@@ -3598,18 +3598,17 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
     })
 
     var registeredDevice = false
-    if (window.navigator.mozSetMessageHandler) {
-      window.navigator.mozSetMessageHandler('push', function (e) {
-        console.log(dT(), 'received push', e)
-        $rootScope.$broadcast('push_received')
+    $rootScope.$on('push_init', function (e, tokenData) {
+      if (tokenData) {
+        registerDevice(tokenData)
+      }
     })
-
-      window.navigator.mozSetMessageHandler('push-register', function (e) {
-        console.log(dT(), 'received push', e)
-        registeredDevice = false
-        registerDevice()
+    $rootScope.$on('push_subscribe', function (e, tokenData) {
+      registerDevice(tokenData)
+    })
+    $rootScope.$on('push_unsubscribe', function (e, tokenData) {
+      unregisterDevice(tokenData)
     })
-    }
 
     return {
       start: start,
@@ -3702,7 +3701,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
     function start () {
       updateNotifySettings()
       $rootScope.$on('settings_changed', updateNotifySettings)
-      registerDevice()
+      WebPushApiManager.start()
 
       if (!notificationsUiSupport) {
         return false
@@ -3904,40 +3903,26 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       notificationsCount = 0
     }
 
-    var registerDevicePeriod = 1000
-    var registerDeviceTO
-    function registerDevice () {
-      if (registeredDevice) {
+    function registerDevice (tokenData) {
+      if (registeredDevice &&
+          angular.equals(registeredDevice, tokenData)) {
         return false
       }
-      if (navigator.push && Config.Navigator.ffos && Config.Modes.packed) {
-        var req = navigator.push.register()
-
-        req.onsuccess = function (e) {
-          clearTimeout(registerDeviceTO)
-          console.log(dT(), 'Push registered', req.result)
-          registeredDevice = req.result
       MtpApiManager.invokeApi('account.registerDevice', {
-            token_type: 4,
-            token: registeredDevice
+        token_type: tokenData.tokenType,
+        token: tokenData.tokenValue
+      }).then(function () {
+        registeredDevice = tokenData
       })
     }
 
-        req.onerror = function (e) {
-          console.error('Push register error', e, e.toString())
-          registerDeviceTO = setTimeout(registerDevice, registerDevicePeriod)
-          registerDevicePeriod = Math.min(30000, registerDevicePeriod * 1.5)
-        }
-      }
-    }
-
-    function unregisterDevice () {
+    function unregisterDevice (tokenData) {
       if (!registeredDevice) {
         return false
       }
       MtpApiManager.invokeApi('account.unregisterDevice', {
-        token_type: 4,
-        token: registeredDevice
+        token_type: tokenData.tokenType,
+        token: tokenData.tokenValue
       }).then(function () {
         registeredDevice = false
       })
@@ -4533,15 +4518,6 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       }
       started = true
 
-      if ('registerProtocolHandler' in navigator) {
-        try {
-          navigator.registerProtocolHandler('tg', '#im?tgaddr=%s', 'Telegram Web')
-        } catch (e) {}
-        try {
-          navigator.registerProtocolHandler('web+tg', '#im?tgaddr=%s', 'Telegram Web')
-        } catch (e) {}
-      }
-
       if (window.navigator.mozSetMessageHandler) {
         console.log(dT(), 'Set activity message handler')
         window.navigator.mozSetMessageHandler('activity', function (activityRequest) {

app/service_worker.js

@@ -1 +1,3 @@
-importScripts('js/lib/push_worker.js')
+// Version 7
+importScripts('js/lib/push_worker.js?3')
+