1 files changed, 139 insertions, 0 deletions
diff --git a/src/net/hoopajoo/android/RemoteContext.java b/src/net/hoopajoo/android/RemoteContext.java
new file mode 100644
index 0000000..bf44cad
--- /dev/null
+++ b/src/net/hoopajoo/android/RemoteContext.java
@@ -0,0 +1,139 @@
+package net.hoopajoo.android;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.util.Log;
+import android.view.IWindowManager;
+import android.view.KeyEvent;
+import android.os.IPowerManager;
+import android.content.Context;
+
+/*
+ * Inject events as root in to the android framework, accepts commands on stdin,
+ * 
+ * This gives finer access control to keydown/up and also to put the device to sleep
+ * 
+ * Other things that are blocked from normal apps that have an interface could be added here
+ * like pointer control
+ */
+
+public class RemoteContext {
+    private boolean debug = false;
+    private final String LOG = "RootContext";
+    
+    public static void main( String[] args ) {
+        (new RemoteContext()).run( args );
+    }
+
+    private void run( String[] args ) {
+        if( args.length > 0 ) {
+            debug = true;
+            d( "Debugging enabled" );
+        }
+        
+        BufferedReader input = new BufferedReader(
+                new InputStreamReader( System.in ),
+                2 * 1024 );
+        
+        String cmd;
+        try {
+            while( true ) {
+                cmd = input.readLine();
+        
+                d( "Read: " + cmd );
+                
+                String[] parts = cmd.split(  " " );
+
+                if( debug ) {
+                    for( String s : parts ) {
+                        d( "Part: " + s );                    
+                    }
+                }
+                
+                boolean processed = false;
+                if( parts.length > 0 ) {
+                    if( parts[ 0 ].startsWith( "key") ) {
+                        int code = Integer.parseInt( parts[ 1 ] );
+                        if( parts[ 0 ].equals( "keycode" ) ) {
+                            // key down, up
+                            d( "Sending keycode: " + code );
+                            sendKeyCode( code, KeyEvent.ACTION_DOWN );
+                            sendKeyCode( code, KeyEvent.ACTION_UP );
+                            processed = true;
+                        }else if( parts[ 0 ].equals( "keycodedown" ) ) {
+                            d( "Sending keycode DOWN: " + code );
+                            sendKeyCode( code, KeyEvent.ACTION_DOWN );
+                            processed = true;
+                        }else if( parts[ 0 ].equals( "keycodeup" ) ) {
+                            d( "Sending keycode UP: " + code );
+                            sendKeyCode( code, KeyEvent.ACTION_UP );
+                            processed = true;
+                        }
+                    }
+                    
+                    if( parts[ 0 ].equals( "sleep" ) ) {
+                        d( "Going to sleep" );
+                        goToSleep();
+                        processed = true;
+                    }
+                    
+                    if( parts[ 0 ].equals( "null" ) ) {
+                        d( "null command" );
+                        processed = true;
+                    }
+                    
+                    if( parts[ 0 ].equals( "system" ) ) {
+                        Runtime r = Runtime.getRuntime();
+                        String exec = cmd.substring( "system ".length() );
+                        d( "Executing shell command: '" + exec + "'" );
+                        r.exec( exec );
+                        processed = true;
+                    }
+                }
+                
+                if( ! processed ) {
+                    Log.e( LOG, "Failed to process input: " + cmd );
+                    d( "Failed to process input: " + cmd );
+                }
+            }
+        }catch( Exception e ) {
+            Log.i( LOG, e.toString() );
+        }
+        
+        d( "Finished" );
+    }
+    
+    private void d( String s ) {
+        if( debug ) {
+            //System.out.println( s );
+            Log.d( LOG, s );
+        }
+    }
+
+    private void sendKeyCode( int code, int action ) {
+        long now = SystemClock.uptimeMillis();
+        KeyEvent k = new KeyEvent(now, now, action, code, 0);
+        
+        try {
+            ( IWindowManager.Stub
+                .asInterface( ServiceManager.getService( Context.WINDOW_SERVICE) ) )
+                .injectKeyEvent( k , true );
+        } catch (RemoteException e) {
+            Log.i( LOG, e.toString() );
+        }
+    }
+    
+    private void goToSleep() {
+        try {
+            ( IPowerManager.Stub
+                .asInterface( ServiceManager.getService( Context.POWER_SERVICE ) ) )
+                .goToSleep( SystemClock.uptimeMillis() );
+        } catch (RemoteException e) {
+            Log.i( LOG, e.toString() );
+        }
+    }
+}