better interaction with superuser

[ms2-fixes] / MS2Debounce / src / de / rmdir / ms2debounce / DebounceModuleHelper.java

diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
index 0a764e5c559d23bc671d62729045e2b9aa86104c..80dc5ff134745fabb87e4ac221252d180ff7da73 100644 (file)
--- a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
+++ b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
@@ -5,6 +5,7 @@ import java.io.OutputStream;
 import java.io.File;
 import java.io.FileReader;
 import java.io.BufferedReader;
+import java.io.DataOutputStream;
 
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -13,16 +14,25 @@ public class DebounceModuleHelper
 {
        private Context ctx;
        public static final String PREFS_NAME = "DebounceCfg";
+       final int SUPERUSER_REQUEST = 4223;
 
        public DebounceModuleHelper(Context context) {
                ctx = context;
        }
 
        public void loadModule() {
-               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               loadModule(getSavedDelay());
+       }
 
-               int delay = settings.getInt("debounce_delay", 10);
-               loadModule(delay);
+       protected void runAsRoot(String command) throws java.io.IOException,java.lang.InterruptedException {
+               Process rootcmd = Runtime.getRuntime().exec(new String[]{"su","-c","sh"});
+               DataOutputStream sh = new DataOutputStream(rootcmd.getOutputStream());
+               sh.writeBytes(command + "\n");
+               sh.writeBytes("exit\n");
+               sh.flush();
+               sh.close();
+
+               rootcmd.waitFor();
        }
 
        public synchronized void loadModule(int delay) {
@@ -38,8 +48,7 @@ public class DebounceModuleHelper
                }
 
                try {
-                       Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay});
-                       insmod.waitFor();
+                       runAsRoot("/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay);
                } catch (Exception e) {
                        return;
                }
@@ -47,7 +56,7 @@ public class DebounceModuleHelper
                if (!isLoaded()) {
                        return;
                }
-       
+
                if (getDelay() <= 0) {
                        return;
                }
@@ -59,8 +68,7 @@ public class DebounceModuleHelper
 
        public synchronized void unloadModule() {
                try {
-                       Process rmmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/rmmod debounce"});
-                       rmmod.waitFor();
+                       runAsRoot("/system/bin/rmmod debounce");
                } catch (Exception e) {}
        }
 
@@ -115,11 +123,36 @@ public class DebounceModuleHelper
                loadModule(delay);
        }
 
+       public synchronized int getSavedDelay() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getInt("debounce_delay", 10);
+       }
+
+       public synchronized void setSavedDelay(int delay) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putInt("debounce_delay", delay);
+               editor.commit();
+       }
+
        public synchronized boolean is_safe_to_load() {
                SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
-               boolean safe_to_load = settings.getBoolean("safe_to_load", false);
+               return settings.getBoolean("safe_to_load", false);
+       }
 
-               return safe_to_load;
+       public synchronized boolean get_on_boot() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               return settings.getBoolean("on_boot", false);
+       }
+
+       public synchronized void set_on_boot(boolean on_boot) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putBoolean("on_boot", on_boot);
+               editor.commit();
        }
 
        private synchronized void extractModule() {