check whether Push Notification Permissions have been enabled for this app

README.md

@@ -9,7 +9,7 @@ This requires phonegap/cordova CLI 5.0+ ( current stable v1.4.2 )
 ```
 phonegap plugin add phonegap-plugin-push
 ```
-or 
+or
 
 ```
 cordova plugin add phonegap-plugin-push
@@ -21,7 +21,7 @@ It is also possible to install via repo url directly ( unstable )
 phonegap plugin add https://github.com/phonegap/phonegap-plugin-push
 ```
 
-or 
+or
 
 ```
 cordova plugin add https://github.com/phonegap/phonegap-plugin-push
@@ -202,6 +202,28 @@ successHandler gets called when background push processing is successfully compl
 push.finish(successHandler, errorHandler);
 ```
 
+### PushNotification.hasPermission(callback)
+
+Checks whether the PushNotification Permission have been enabled or disabled.
+
+Callback Parameter | Description
+------------------ | -----------
+`data.isEnabled` | `Boolean`
+
+#### Example
+
+```javascript
+PushNotification.hasPermission(function(data) {
+    if (data.isEnabled) {
+        var push = PushNotification.init({
+            android: {
+                senderId: 'abc'
+            }
+        });
+    }
+});
+```
+
 ## PhoneGap Build Support
 
 Including this plugin in a project that is built by PhoneGap Build is as easy as adding:
@@ -246,10 +268,10 @@ This is because Android now uses Material design and the default icon for push w
 In order to get a better user experience you can specify an alternate icon and background color to be shown when receiving a push notification. The code would look like this:
 
 ```javascript
-	var push = PushNotification.init({ 
-		"android": { 
-			"senderID": "123456789", "icon": "phonegap", "iconColor": "blue"}, 
-		"ios": {"alert": "true", "badge": "true", "sound": "true"}, "windows": {} 
+	var push = PushNotification.init({
+		"android": {
+			"senderID": "123456789", "icon": "phonegap", "iconColor": "blue"},
+		"ios": {"alert": "true", "badge": "true", "sound": "true"}, "windows": {}
 	});
 ```
 
@@ -482,7 +504,7 @@ To add to your app:
 ```
 phonegap plugin add https://github.com/jeduan/cordova-plugin-facebook4 --variable APP_ID="App ID" --variable APP_NAME="App Name"
 ```
-or 
+or
 
 ```
 cordova plugin add https://github.com/jeduan/cordova-plugin-facebook4 --variable APP_ID="App ID" --variable APP_NAME="App Name"
@@ -581,7 +603,7 @@ However if you want your `on('notification')` event handler called but no notifi
 }
 ```
 
-That covers what you need to do on the server side to accept background pushes on iOS. However, it is critically important that you continue reading as there will be a change in your `on('notification')`. When you receive a background push on iOS you will be given 30 seconds of time in which to complete a task. If you spend longer than 30 seconds on the task the OS may decide that your app is misbehaving and kill it. In order to signal iOS that your `on('notification')` handler is done you will need to call the new `push.finish()` method. 
+That covers what you need to do on the server side to accept background pushes on iOS. However, it is critically important that you continue reading as there will be a change in your `on('notification')`. When you receive a background push on iOS you will be given 30 seconds of time in which to complete a task. If you spend longer than 30 seconds on the task the OS may decide that your app is misbehaving and kill it. In order to signal iOS that your `on('notification')` handler is done you will need to call the new `push.finish()` method.
 
 For example:
 
@@ -594,11 +616,11 @@ For example:
               "clearBadge": true
             }
         });
-        
+
         push.on('registration', function(data) {
         	// send data.registrationId to push service
         });
-        
+
 
         push.on('notification', function(data) {
         	// do something with the push data
@@ -623,11 +645,11 @@ For advanced templates and usage, the notification object is included in [`data.
 
 ### Setting Toast Capable Option for Windows
 
-This plugin automatically sets the toast capable flag to be true for Cordova 5.1.1+. For lower versions, you must declare that it is Toast Capable in your app's manifest file. 
+This plugin automatically sets the toast capable flag to be true for Cordova 5.1.1+. For lower versions, you must declare that it is Toast Capable in your app's manifest file.
 
 ### Disabling the default processing of notifications by Windows
 
-The default handling can be disabled by setting the 'cancel' property in the notification object. 
+The default handling can be disabled by setting the 'cancel' property in the notification object.
 
 ```
 data.additionalData.pushNotificationReceivedEventArgs.cancel = true

plugin.xml

@@ -48,7 +48,7 @@
 
 		<config-file target="AndroidManifest.xml" parent="/manifest/application">
 			<activity android:name="com.adobe.phonegap.push.PushHandlerActivity" android:exported="true"/>
-            
+
             <receiver
                 android:name="com.google.android.gms.gcm.GcmReceiver"
                 android:exported="true"
@@ -71,7 +71,7 @@
                 <intent-filter>
                     <action android:name="com.google.android.gms.iid.InstanceID"/>
                 </intent-filter>
-            </service>            
+            </service>
 		</config-file>
 
 		<framework src="com.android.support:support-v13:23+" />
@@ -82,6 +82,7 @@
 		<source-file src="src/android/com/adobe/phonegap/push/PushHandlerActivity.java" target-dir="src/com/adobe/phonegap/push/" />
 		<source-file src="src/android/com/adobe/phonegap/push/PushInstanceIDListenerService.java" target-dir="src/com/adobe/phonegap/push/" />
 		<source-file src="src/android/com/adobe/phonegap/push/PushPlugin.java" target-dir="src/com/adobe/phonegap/push/" />
+        <source-file src="src/android/com/adobe/phonegap/push/PermissionUtils.java" target-dir="src/com/adobe/phonegap/push/" />
 
 	</platform>
 
@@ -93,13 +94,13 @@
 				<param name="ios-package" value="PushPlugin"/>
 			</feature>
 		</config-file>
-        
+
         <config-file target="*-Info.plist" parent="UIBackgroundModes">
             <array>
                 <string>remote-notification</string>
             </array>
         </config-file>
-        
+
 		<source-file src="src/ios/AppDelegate+notification.m" />
 		<source-file src="src/ios/PushPlugin.m" />
 

src/android/com/adobe/phonegap/push/PermissionUtils.java

@@ -0,0 +1,56 @@
+package com.adobe.phonegap.push;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class PermissionUtils {
+
+    private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
+
+    public static boolean hasPermission(Context appContext, String appOpsServiceId) throws UnknownError {
+
+        AppOpsManager mAppOps = (AppOpsManager) appContext.getSystemService(Context.APP_OPS_SERVICE);
+        ApplicationInfo appInfo = appContext.getApplicationInfo();
+
+        String pkg = appContext.getPackageName();
+        int uid = appInfo.uid;
+        Class appOpsClass = null;
+
+        try {
+
+            appOpsClass = Class.forName(AppOpsManager.class.getName());
+
+            Method checkOpNoThrowMethod = appOpsClass.getMethod(
+                CHECK_OP_NO_THROW,
+                Integer.TYPE,
+                Integer.TYPE,
+                String.class
+            );
+
+            Field opValue = appOpsClass.getDeclaredField(appOpsServiceId);
+
+            int value = (int) opValue.getInt(Integer.class);
+            Object result = checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg);
+
+            return Integer.parseInt(result.toString()) == AppOpsManager.MODE_ALLOWED; // type madness
+
+        } catch (ClassNotFoundException e) {
+            throw new UnknownError("class not found");
+        } catch (NoSuchMethodException e) {
+            throw new UnknownError("no such method");
+        } catch (NoSuchFieldException e) {
+            throw new UnknownError("no such field");
+        } catch (InvocationTargetException e) {
+            throw new UnknownError("invocation target");
+        } catch (IllegalAccessException e) {
+            throw new UnknownError("illegal access");
+        }
+
+    }
+
+}

src/android/com/adobe/phonegap/push/PushConstants.java

@@ -39,6 +39,7 @@ public interface PushConstants {
     public static final String UNREGISTER = "unregister";
     public static final String EXIT = "exit";
     public static final String FINISH = "finish";
+    public static final String HAS_PERMISSION = "hasPermission";
     public static final String ANDROID = "android";
     public static final String SENDER_ID = "senderID";
     public static final String CLEAR_NOTIFICATIONS = "clearNotifications";

src/android/com/adobe/phonegap/push/PushPlugin.java

@@ -152,6 +152,22 @@ public void run() {
             });
         } else if (FINISH.equals(action)) {
             callbackContext.success();
+        } else if (HAS_PERMISSION.equals(action)) {
+            cordova.getThreadPool().execute(new Runnable() {
+                public void run() {
+                    JSONObject jo = new JSONObject();
+                    try {
+                        jo.put("isEnabled", PermissionUtils.hasPermission(getApplicationContext(), "OP_POST_NOTIFICATION"));
+                        PluginResult pluginResult = new PluginResult(PluginResult.Status.OK, jo);
+                        pluginResult.setKeepCallback(true);
+                        callbackContext.sendPluginResult(pluginResult);
+                    } catch (UnknownError e) {
+                        callbackContext.error(e.getMessage());
+                    } catch (JSONException e) {
+                        callbackContext.error(e.getMessage());
+                    }
+                }
+            });
         } else {
             Log.e(LOG_TAG, "Invalid action : " + action);
             callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.INVALID_ACTION));
@@ -240,7 +256,7 @@ private static JSONObject convertBundleToJson(Bundle extras) {
             while (it.hasNext()) {
                 String key = it.next();
                 Object value = extras.get(key);
-                 
+
                 Log.d(LOG_TAG, "key = " + key);
 
                 if (jsonKeySet.contains(key)) {
@@ -265,7 +281,7 @@ else if (strValue.startsWith("[")) {
                         }
                         else {
                             additionalData.put(key, value);
-                        }                       
+                        }
                     } catch (Exception e) {
                         additionalData.put(key, value);
                     }
@@ -290,4 +306,4 @@ public static boolean isInForeground() {
     public static boolean isActive() {
         return gWebView != null;
     }
-}
+}

src/ios/AppDelegate+notification.m

@@ -72,13 +72,13 @@ - (void)application:(UIApplication *)application didReceiveRemoteNotification:(N
         pushHandler.notificationMessage = userInfo;
         pushHandler.isInline = YES;
         [pushHandler notificationReceived];
-        
+
         completionHandler(UIBackgroundFetchResultNewData);
     }
     // app is in background or in stand by
     else {
         NSLog(@"app in-active");
-        
+
         // do some convoluted logic to find out if this should be a silent push.
         long silent = 0;
         id aps = [userInfo objectForKey:@"aps"];
@@ -88,18 +88,18 @@ - (void)application:(UIApplication *)application didReceiveRemoteNotification:(N
         } else if ([contentAvailable isKindOfClass:[NSNumber class]]) {
             silent = [contentAvailable integerValue];
         }
-        
+
         if (silent == 1) {
             NSLog(@"this should be a silent push");
             void (^safeHandler)(UIBackgroundFetchResult) = ^(UIBackgroundFetchResult result){
                 dispatch_async(dispatch_get_main_queue(), ^{
                     completionHandler(result);
                 });
             };
-            
+
             NSMutableDictionary* params = [NSMutableDictionary dictionaryWithCapacity:2];
             [params setObject:safeHandler forKey:@"handler"];
-            
+
             PushPlugin *pushHandler = [self getCommandInstance:@"PushNotification"];
             pushHandler.notificationMessage = userInfo;
             pushHandler.isInline = NO;
@@ -109,12 +109,24 @@ - (void)application:(UIApplication *)application didReceiveRemoteNotification:(N
             NSLog(@"just put it in the shade");
             //save it for later
             self.launchNotification = userInfo;
-            
+
             completionHandler(UIBackgroundFetchResultNewData);
         }
     }
 }
 
+- (BOOL)userHasRemoteNotificationsEnabled {
+    UIApplication *application = [UIApplication sharedApplication];
+    if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
+        return application.currentUserNotificationSettings.types != UIUserNotificationTypeNone;
+    } else {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+        return application.enabledRemoteNotificationTypes != UIRemoteNotificationTypeNone;
+#pragma GCC diagnostic pop
+    }
+}
+
 - (void)applicationDidBecomeActive:(UIApplication *)application {
 
     NSLog(@"active");
@@ -123,7 +135,7 @@ - (void)applicationDidBecomeActive:(UIApplication *)application {
     if (pushHandler.clearBadge) {
         NSLog(@"PushPlugin clearing badge");
         //zero badge
-        application.applicationIconBadgeNumber = 0;        
+        application.applicationIconBadgeNumber = 0;
     } else {
         NSLog(@"PushPlugin skip clear badge");
     }