Add NotifyOnPermissionLevelChanged implementation of notification

chrome/test/data/extensions/api_test/notification_provider/basic_usage/background.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 const notificationProvider = chrome.notificationProvider;
 
+var myId = chrome.runtime.id;
+var id1 = "id1";
+var returnId = myId + "-" + id1;
+var content = {
+  type: "basic",
+  iconUrl: "icon.png",
+  title: "Title",
+  message: "This is the message."
+};
+
 function createNotification(notificationId, options) {
   return new Promise(function (resolve, reject) {
     chrome.notifications.create(notificationId, options, function (id) {
       if (chrome.runtime.lastError) {
         reject(new Error("Unable to create notification"));
         return;
       }
       resolve(id);
       return;
     });
@@ skipping 39 matching lines @@
       if (chrome.runtime.lastError || !matchExists) {
         reject(new Error("Unable to send onButtonClick message"));
         return;
       }
       resolve(matchExists);
       return;
     });
   });
 };
 
-function notifyOnPermissionLevelChanged(senderId, permissionLevel) {
+function notifyOnPermissionLevelChanged(senderId,
+                                        notifierType,
+                                        permissionLevel) {
   return new Promise(function (resolve, reject) {
     notificationProvider.notifyOnPermissionLevelChanged(
                                               senderId,
+                                              notifierType,
                                               permissionLevel,
-                                              function (notifierExists) {
-      if (chrome.runtime.lastError || !notifierExists) {
+                                              function (wasChanged) {
+      if (chrome.runtime.lastError || !wasChanged) {
         reject(new Error("Unable to send onPermissionLevelChanged message"));
         return;
       }
-      resolve(notifierExists);
+      resolve(wasChanged);
       return;
     });
   });
-};
-
-function notifyOnShowSettings(senderId) {
-  return new Promise(function (resolve, reject) {
-    notificationProvider.notifyOnShowSettings(senderId,
-                                              function (notifierExists) {
-      if (chrome.runtime.lastError || !notifierExists) {
-        reject(new Error("Unable to send onShowSettings message"));
-        return;
-      }
-      resolve(notifierExists);
-      return;
-    });
-  });
 };
 
 function failTest(testName) {
   chrome.test.fail(testName);
 };
 
-function testFunctions() {
-  var myId = chrome.runtime.id;
-  var id1 = "id1";
-  var returnId = myId + "-" + id1;
-  var content = {
-    type: "basic",
-    iconUrl: "icon.png",
-    title: "Title",
-    message: "This is the message."
-  };
-
-  // Create a notification, so there will be one existing notification
+function testNotifyOnClicked(){
+  // Create a notification, so there will be one existing notification.
   createNotification(id1, content)
     .catch(function() { failTest("notifications.create"); })
-    // Notify the sender that a notificaion was clicked.
-    .then(function() { return notifyOnClicked(myId, returnId); })
-    .catch(function() { failTest("NotifyOnClicked1"); })
     // Try to notify that an non-existent notification was clicked.
     .then(function() { return notifyOnClicked(myId, "doesNotExist"); })
     // Fail if it returns true.
-    .then(function() { failTest("NotifyOnClicked2"); })
-    // Notify the sender that a notificaion button was clicked.
-    .catch(function() { return notifyOnButtonClicked(myId, returnId, 0); })
-    .catch(function() { failTest("NotifyOnButtonClicked"); })
+    .then(function() { failTest("NotifyOnClicked"); })
+    // Notify the sender that a notificaion was clicked.
+    .catch(function() { return notifyOnClicked(myId, returnId); })
+    .catch(function() { failTest("NotifyOnClicked"); });
+
+  chrome.notifications.onClicked.addListener(function(id) {

[dewittj, 2014/08/14 20:30:30]

Please add listeners before you cause the events that you're listening for.
(i.e. above)

[liyanhou, 2014/08/15 18:57:59]

Done.

+    chrome.test.succeed();
+  });
+}
+
+function testNotifyOnButtonClicked() {
+  // Create a notification, so there will be one existing notification.
+  createNotification(id1, content)
+    .catch(function() { failTest("notifications.create"); })
     // Try to notify that a non-existent notification button was clicked.
     .then(function() { return notifyOnButtonClicked(myId, "doesNotExist", 0)})
     .then(function() { failTest("NotifyOnButtonClicked"); })
+    // Notify the sender that a notificaion button was clicked.
+    .catch(function() { return notifyOnButtonClicked(myId, returnId, 0); })
+    .catch(function() { failTest("NotifyOnButtonClicked"); });
+
+  chrome.notifications.onButtonClicked.addListener(function(id, buttonIndex) {
+    chrome.test.succeed();
+  });
+}
+
+function testNotifyOnClosed() {
+  // Create a notification, so there will be one existing notification.
+  createNotification(id1, content)
+    .catch(function() { failTest("notifications.create"); })
     // Try to notify that an non-existent notification was cleared.
-    .catch(function () { return notifyOnCleared(myId, "doesNotExist"); })
+    .then(function () { return notifyOnCleared(myId, "doesNotExist"); })
     .then(function() { failTest("NotifyOnCleared"); })
     // Notify that the original notification was cleared.
     .catch(function() { return notifyOnCleared(myId, returnId); })
     .catch(function() { failTest("NotifyOnCleared"); })
-    .then(function () { return notifyOnPermissionLevelChanged(myId,
-                                                              "granted"); })
+
+  chrome.notifications.onClosed.addListener(function(id, byUser) {
+    chrome.test.succeed();
+  });
+}
+
+function testNotifyOnPermissionLevelChanged() {
+  // Create a notification, so there will be one existing notification.
+  createNotification(id1, content)
+    .catch(function() { failTest("notifications.create"); })
+    // Try to notify a web type notifier its permissional level is changed.
+    .then(function() { return notifyOnPermissionLevelChanged("SomeURL",
+                                                             "web",
+                                                             "granted"); })
+    .then(function() { failTest("NotifyOnPermissionLevelChanged"); })
+    // Notify that the permission level of current notifier is changed.
+    .catch(function () { return notifyOnPermissionLevelChanged(myId,
+                                                               "application",
+                                                               "denied"); })
     .catch(function() { failTest("NotifyOnPermissionLevelChanged"); })
-    .then(function () { return notifyOnShowSettings(myId); })
-    .catch(function() { failTest("NotifyOnShowSettings"); })
-    .then(function() { chrome.test.succeed(); });
-};
 
-chrome.test.runTests([ testFunctions ]);
+  chrome.notifications.onPermissionLevelChanged.addListener(function(level) {
+    chrome.test.succeed();
+  });
+}
+
+chrome.test.runTests([ testNotifyOnClicked,
+                       testNotifyOnButtonClicked,
+                       testNotifyOnClosed,
+                       testNotifyOnPermissionLevelChanged ]);