Implement basic point-and-touch mouse input for Android client

remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java

 // Copyright 2013 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.
 
 package org.chromium.chromoting.jni;
 
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ skipping 186 matching lines @@
         }
 
         int[] frame = new int[sWidth * sHeight];
 
         sBuffer.order(ByteOrder.LITTLE_ENDIAN);
         sBuffer.asIntBuffer().get(frame, 0, frame.length);
 
         return Bitmap.createBitmap(frame, 0, sWidth, sWidth, sHeight, Bitmap.Config.ARGB_8888);
     }
 
+    /** Moves the mouse cursor, possibly while clicking. */
+    public static void mouseAction(int x, int y, int whichButton, boolean buttonDown) {
+        if (!sConnected) {
+            return;
+        }
+
+        mouseActionNative(x, y, whichButton, buttonDown);
+    }
+
     /** Performs the native response to the user's PIN. */
     private static native void authenticationResponse(String pin);
 
     /** Schedules a redraw on the native graphics thread. */
     private static native void scheduleRedrawNative();
+
+    /** Passes mouse information to the native handling code. */
+    private static native void mouseActionNative(int x, int y, int whichButton, boolean buttonDown);
 }