Add message title for Google Cloud Messge (GCM)

src/Services/AbstractPushService.php

@@ -9,6 +9,12 @@ abstract class AbstractPushService implements PushService
      */
     protected $messageText = null;
 
+    /**
+     * @var string|null
+     *   The text of the message
+     */
+    protected $messageTitle = null;
+
     /**
      * @var array|null
      *   The data of the message

src/Services/ApplePushService.php

@@ -13,6 +13,11 @@ class ApplePushService extends AbstractPushService
      */
     private $client;
 
+    public function setMessageTitle($title)
+    {
+        throw new RuntimeException('APNS does not support message title');
+    }
+
     /**
      * @inheritdoc
      */

src/Services/GooglePushService.php

@@ -35,6 +35,17 @@ public function loadConfiguration($config)
         return true;
     }
 
+    /**
+     * Set message title
+     *
+     * @param string $title message title
+     */
+    public function setMessageTitle($title)
+    {
+        $this->messageTitle = $title;
+        return $this;
+    }
+
     /**
      * @inheritdoc
      */
@@ -48,8 +59,12 @@ public function send()
             $body['data'] = $this->messageData;
         }
 
+        if ($this->messageTitle !== null) {
+            $body['data']['title'] = $this->messageTitle;
+        }
+
         if ($this->messageText !== null) {
-            $body['data']['message'] = $this->messageText;
+            $body['data']['content'] = $this->messageText;
         }
 
         $ok = [];

src/Services/PushService.php

@@ -23,6 +23,16 @@ public function loadConfiguration($config);
      */
     public function setMessageText($message);
 
+    /**
+     * Set the message title for this push message.
+     *
+     * @param string $title
+     *   The message title to set
+     * @return self
+     *   This instance, to allow chaining
+     */
+    public function setMessageTitle($title);
+
     /**
      * Set the message data for this push message.
      * This will clear any previous message data