X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/ms2-fixes/blobdiff_plain/0ae502f627e216e71b179a37079c9d43c7feeed3..1f4361802c04f3ecb5506d160ebe9f4920ba22af:/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java?ds=sidebyside

diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
index f4569a5..6a46fbb 100644
--- a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
+++ b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
@@ -1,15 +1,250 @@
 package de.rmdir.ms2debounce;
 
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.DataOutputStream;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
 public class DebounceModuleHelper
 {
-	static public void loadModule() {
+	private Context ctx;
+	public static final String PREFS_NAME = "DebounceCfg";
+	final int SUPERUSER_REQUEST = 4223;
+
+	public DebounceModuleHelper(Context context) {
+		ctx = context;
+	}
+
+	public void setAllValues() {
+		setDelay(getSavedDelay());
+		setSettle(getSavedSettle());
+		setPoll(getSavedPoll());
+	}
+
+	public void loadModule() {
+		_loadModule();
+		setAllValues();
+	}
+
+	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() {
+		File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
+
+		extractModule();
+
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+		SharedPreferences.Editor editor = settings.edit();
+		if (is_safe_to_load()) {
+			editor.putBoolean("safe_to_load", false);
+			editor.commit();
+		}
+
 		try {
-			Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod /system/lib/modules/debounce.ko"});
-			insmod.waitFor();
+			runAsRoot("/system/bin/insmod " + debounce_ko);
+		} catch (Exception e) {
+			return;
+		}
+
+		if (!isLoaded()) {
+			return;
+		}
+
+		if (getDelay() < 0) {
+			return;
+		}
+
+		/* Module was obviously loaded, so it is safe to load on boot */
+		editor.putBoolean("safe_to_load", true);
+		editor.commit();
+	}
+
+	public synchronized void unloadModule() {
+		try {
+			runAsRoot("/system/bin/rmmod debounce");
 		} catch (Exception e) {}
 	}
 
-	static public boolean isLoaded() {
-		return false;
+	public synchronized boolean isLoaded() {
+		boolean loaded = false;
+		try {
+			String read;
+
+			FileReader modules = new FileReader("/proc/modules");
+			BufferedReader modules_buf = new BufferedReader(modules);
+
+			while((read = modules_buf.readLine()) != null) {
+				if (read.regionMatches(0, "debounce", 0, 8)) {
+					loaded = true;
+				}
+			}
+
+		} catch (Exception e) {
+			loaded = false;
+		}
+
+		return loaded;
+	}
+
+	private synchronized int getValue(String parameter) {
+		int value = -1;
+
+		try {
+			String read;
+
+			FileReader fr = new FileReader("/sys/devices/debounce/" + parameter);
+			BufferedReader fbuf = new BufferedReader(fr);
+
+			read = fbuf.readLine();
+			if (read != null) {
+				value = Integer.parseInt(read.trim());
+			}
+
+			fbuf.close();
+		} catch (Exception e) {}
+
+		return value;
+	}
+
+	private synchronized void setValue(String parameter, int value) {
+		if (!isLoaded()) {
+			return;
+		}
+
+		try {
+			FileWriter fw = new FileWriter("/sys/devices/debounce/" + parameter);
+			BufferedWriter fbuf = new BufferedWriter(fw);
+
+			fbuf.write((new Integer(value)).toString());
+
+			fbuf.close();
+		} catch (Exception e) {}
+	}
+
+	public synchronized int getDelay() {
+		return getValue("debounce_delay");
+	}
+
+	public synchronized void setDelay(int debounce_delay) {
+		setValue("debounce_delay", debounce_delay);
+	}
+
+	public synchronized int getSettle() {
+		return getValue("settle_time");
+	}
+
+	public synchronized void setSettle(int settle_time) {
+		setValue("settle_time", settle_time);
+	}
+
+	public synchronized int getPoll() {
+		return getValue("poll_time");
+	}
+
+	public synchronized void setPoll(int poll_time) {
+		setValue("poll_time", poll_time);
+	}
+
+	public synchronized int getSavedDelay() {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+		return settings.getInt("debounce_delay", 8);
+	}
+
+	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 int getSavedSettle() {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+		return settings.getInt("settle_time", 100);
+	}
+
+	public synchronized void setSavedSettle(int settle) {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+		SharedPreferences.Editor editor = settings.edit();
+
+		editor.putInt("settle_time", settle);
+		editor.commit();
+	}
+
+	public synchronized int getSavedPoll() {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+		return settings.getInt("poll_time", 10);
+	}
+
+	public synchronized void setSavedPoll(int poll) {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+		SharedPreferences.Editor editor = settings.edit();
+
+		editor.putInt("poll_time", poll);
+		editor.commit();
+	}
+
+	public synchronized boolean is_safe_to_load() {
+		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+		return settings.getBoolean("safe_to_load", false);
+	}
+
+	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() {
+		File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
+
+		if (debounce_ko.exists()) {
+			return;
+		}
+
+		try {
+			InputStream apk = ctx.getAssets().open("debounce.ko");
+			OutputStream mod = ctx.openFileOutput("debounce.ko.tmp", 0);
+
+			//I assume a page is 4k...
+			byte buf[] = new byte[4096];
+			int bytes;
+
+			while((bytes = apk.read(buf)) != -1) {
+				mod.write(buf, 0, bytes);
+			}
+
+			apk.close();
+			mod.close();
+
+			File tmpfile = new File(debounce_ko + ".tmp");
+			tmpfile.renameTo(debounce_ko);
+		} catch (Exception e) {}
 	}
 }