squash changes

1 files changed, 36 insertions, 0 deletions

diff --git a/CrespoParts/src/com/cyanogenmod/CrespoParts/TouchKeyBacklightTimeout.java b/CrespoParts/src/com/cyanogenmod/CrespoParts/TouchKeyBacklightTimeout.java
new file mode 100644
index 0000000..c07f042
--- /dev/null
+++ b/CrespoParts/src/com/cyanogenmod/CrespoParts/TouchKeyBacklightTimeout.java
@@ -0,0 +1,36 @@
+package com.cyanogenmod.CrespoParts;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceManager;
+
+public class TouchKeyBacklightTimeout implements OnPreferenceChangeListener {
+
+    private static final String FILE = "/sys/class/misc/notification/bl_timeout";
+
+    public static boolean isSupported() {
+        return Utils.fileExists(FILE);
+    }
+
+    /**
+     * Restore backlight timeout setting from SharedPreferences. (Write to kernel.)
+     * @param context       The context to read the SharedPreferences from
+     */
+    public static void restore(Context context) {
+        if (!isSupported()) {
+            return;
+        }
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        Utils.writeValue(FILE, sharedPrefs.getString(CrespoParts.KEY_BACKLIGHT_TIMEOUT, "5"));
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.writeValue(FILE, (String) newValue);
+        return true;
+    }
+
+}
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