Restructure BackgroundModeExt as an internal cordova plugin

plugin.xml

@@ -60,8 +60,10 @@
     <platform name="android">
         <config-file target="res/xml/config.xml" parent="/*">
             <feature name="BackgroundMode">
-                <param name="android-package"
+                <param name="android-package" value="de.appplant.cordova.plugin.background.BackgroundMode"/>
-                      value="de.appplant.cordova.plugin.background.BackgroundMode"/>
+            </feature>
+            <feature name="BackgroundModeExt">
+                <param name="android-package" value="de.appplant.cordova.plugin.background.BackgroundModeExt"/>
             </feature>
         </config-file>
 
@@ -82,7 +84,7 @@
             target-dir="src/de/appplant/cordova/plugin/background" />
 
         <source-file
-            src="src/android/BackgroundExt.java"
+            src="src/android/BackgroundModeExt.java"
             target-dir="src/de/appplant/cordova/plugin/background" />
 
         <source-file

src/android/BackgroundMode.java

@@ -1,5 +1,5 @@
 /*
-    Copyright 2013-2017 appPlant GmbH
+ Copyright 2013 Sebastián Katzer
 
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
@@ -35,7 +35,7 @@ import org.json.JSONObject;
 import de.appplant.cordova.plugin.background.ForegroundService.ForegroundBinder;
 
 import static android.content.Context.BIND_AUTO_CREATE;
-import static de.appplant.cordova.plugin.background.BackgroundExt.clearKeyguardFlags;
+import static de.appplant.cordova.plugin.background.BackgroundModeExt.clearKeyguardFlags;
 
 public class BackgroundMode extends CordovaPlugin {
 
@@ -104,17 +104,6 @@ public class BackgroundMode extends CordovaPlugin {
             case "disable":
                 disableMode();
                 break;
-            case "webviewoptimizations":
-            case "batteryoptimizations":
-            case "appstart":
-            case "background":
-            case "foreground":
-            case "tasklist":
-            case "dimmed":
-            case "wakeup":
-            case "unlock":
-                BackgroundExt.execute(this, action, args, callback);
-                break;
             default:
                 validAction = false;
         }

src/android/BackgroundModeExt.java

@@ -1,5 +1,5 @@
 /*
-    Copyright 2013-2017 appPlant GmbH
+ Copyright 2013 Sebastián Katzer
 
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
@@ -37,9 +37,7 @@ import android.os.PowerManager;
 import android.view.View;
 
 import org.apache.cordova.CallbackContext;
-import org.apache.cordova.CordovaInterface;
 import org.apache.cordova.CordovaPlugin;
-import org.apache.cordova.CordovaWebView;
 import org.apache.cordova.PluginResult;
 import org.apache.cordova.PluginResult.Status;
 import org.json.JSONArray;
@@ -66,7 +64,7 @@ import static android.view.WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON;
  * Implements extended functions around the main purpose
  * of infinite execution in the background.
  */
-class BackgroundExt {
+public class BackgroundModeExt extends CordovaPlugin {
 
     // List of intents for various manufactures to adjust the power saver mode.
     private static final List<Intent> APPSTART_INTENTS = Arrays.asList(
@@ -91,40 +89,9 @@ class BackgroundExt {
             new Intent().setComponent(new ComponentName("com.zui.safecenter", "com.lenovo.safecenter.MainTab.LeSafeMainActivity"))
     );
 
-    // Reference to the cordova interface passed by the plugin
-    private final CordovaInterface cordova;
-
-    // Reference to the cordova web view passed by the plugin
-    private final CordovaWebView webView;
-
     // To keep the device awake
     private PowerManager.WakeLock wakeLock;
 
-    /**
-     * Initialize the extension to perform non-background related tasks.
-     *
-     * @param plugin The cordova plugin.
-     */
-    private BackgroundExt (CordovaPlugin plugin)
-    {
-        this.cordova = plugin.cordova;
-        this.webView = plugin.webView;
-    }
-
-    /**
-     * Executes the request within a thread.
-     *
-     * @param action   The action to execute.
-     * @param args     The exec() arguments.
-     * @param callback The callback context used when
-     *                 calling back into JavaScript.
-     */
-    static void execute (CordovaPlugin plugin, String action, JSONArray args,
-                  CallbackContext callback)
-    {
-        plugin.cordova.getThreadPool().execute(() -> new BackgroundExt(plugin).execute(action, args, callback));
-    }
-
     /**
      * Executes the request.
      *
@@ -132,16 +99,21 @@ class BackgroundExt {
      * @param args     The exec() arguments.
      * @param callback The callback context used when
      *                 calling back into JavaScript.
+     *
+     * @return Returning false results in a "MethodNotFound" error.
      */
-    private void execute (String action, JSONArray args,
+    @Override
+    public boolean execute (String action, JSONArray args,
                             CallbackContext callback)
     {
+        boolean validAction = true;
+
         switch (action)
         {
-            case "batteryoptimizations":
+            case "battery":
                 disableBatteryOptimizations();
                 break;
-            case "webviewoptimizations":
+            case "webview":
                 disableWebViewOptimizations();
                 break;
             case "appstart":
@@ -166,7 +138,17 @@ class BackgroundExt {
                 wakeup();
                 unlock();
                 break;
+            default:
+                validAction = false;
         }
+
+        if (validAction) {
+            callback.success();
+        } else {
+            callback.error("Invalid action: " + action);
+        }
+
+        return validAction;
     }
 
     /**

src/android/ForegroundService.java

@@ -1,5 +1,5 @@
 /*
-    Copyright 2013-2017 appPlant GmbH
+ Copyright 2013 Sebastián Katzer
 
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file

src/browser/BackgroundModeProxy.js

@@ -1,5 +1,5 @@
 /*
-    Copyright 2013-2017 appPlant GmbH
+ Copyright 2013 Sebastián Katzer
 
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file

src/windows/BackgroundModeProxy.js

@@ -1,5 +1,5 @@
 /*
-    Copyright 2013-2017 appPlant GmbH
+ Copyright 2013 Sebastián Katzer
 
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file

www/background-mode.js

@@ -160,7 +160,7 @@ exports.disableWebViewOptimizations = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'webviewoptimizations', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'webview', []);
     }
 };
 
@@ -173,7 +173,7 @@ exports.disableBatteryOptimizations = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'batteryoptimizations', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'battery', []);
     }
 };
 
@@ -190,7 +190,7 @@ exports.openAppStartSettings = function (options)
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'appstart', [options]);
+        cordova.exec(null, null, 'BackgroundModeExt', 'appstart', [options]);
     }
 };
 
@@ -203,7 +203,7 @@ exports.moveToBackground = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'background', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'background', []);
     }
 };
 
@@ -216,7 +216,7 @@ exports.moveToForeground = function()
 {
     if (this.isActive() && this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'foreground', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'foreground', []);
     }
 };
 
@@ -229,7 +229,7 @@ exports.excludeFromTaskList = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'tasklist', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'tasklist', []);
     }
 };
 
@@ -257,7 +257,7 @@ exports.isScreenOff = function (fn)
 {
     if (this._isAndroid)
     {
-        cordova.exec(fn, null, 'BackgroundMode', 'dimmed', []);
+        cordova.exec(fn, null, 'BackgroundModeExt', 'dimmed', []);
     }
     else
     {
@@ -274,7 +274,7 @@ exports.wakeUp = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'wakeup', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'wakeup', []);
     }
 };
 
@@ -287,7 +287,7 @@ exports.unlock = function()
 {
     if (this._isAndroid)
     {
-        cordova.exec(null, null, 'BackgroundMode', 'unlock', []);
+        cordova.exec(null, null, 'BackgroundModeExt', 'unlock', []);
     }
 };