Move Advanced Display so exynos5/7 can use it

Change-Id: Idc255301f30cff6b41d04db6f14fa421ee9eddb5

18 files changed, 763 insertions, 0 deletions

diff --git a/AdvancedDisplay/Android.mk b/AdvancedDisplay/Android.mk
new file mode 100644
index 0000000..1ed8c10
--- /dev/null
+++ b/AdvancedDisplay/Android.mk
@@ -0,0 +1,13 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := AdvancedDisplay
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/AdvancedDisplay/AndroidManifest.xml b/AdvancedDisplay/AndroidManifest.xml
new file mode 100644
index 0000000..96798f3
--- /dev/null
+++ b/AdvancedDisplay/AndroidManifest.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.cyanogenmod.settings.device"
+    android:sharedUserId="android.uid.system" >
+
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />
+
+    <application android:label="@string/app_name">
+        <activity
+            android:name="com.cyanogenmod.settings.device.DisplaySettings"
+            android:launchMode="singleTop"
+            android:icon="@drawable/ic_settings_advanced_display"
+            android:hardwareAccelerated="true"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Main"
+            android:excludeFromRecents="true" >
+            <intent-filter>
+                <action android:name="com.android.settings.action.EXTRA_SETTINGS" />
+            </intent-filter>
+            <meta-data
+                android:name="com.android.settings.icon"
+                android:resource="@drawable/ic_settings_advanced_display" />
+            <meta-data
+                android:name="com.android.settings.category"
+                android:value="com.android.settings.category.device" />
+        </activity>
+
+        <receiver android:name=".Startup">
+            <intent-filter android:priority="100">
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+
+        <activity android:name=".ScreenFragmentActivity" />
+
+    </application>
+</manifest>
diff --git a/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml b/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml
new file mode 100644
index 0000000..61cb8dd
--- /dev/null
+++ b/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License"
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M12.01 5.5L10 8h4l-1.99-2.5zM18 10v4l2.5-1.99L18 10zM6 10l-2.5 2.01L6 14v-4zm8
+6h-4l2.01 2.5L14 16zm7-13H3c-1.1 0-2 .9-2 2v14c0 1.1 .9 2 2 2h18c1.1 0 2-.9
+2-2V5c0-1.1-.9-2-2-2zm0 16.01H3V4.99h18v14.02z" />
+</vector>
diff --git a/AdvancedDisplay/res/layout/framelayout.xml b/AdvancedDisplay/res/layout/framelayout.xml
new file mode 100755
index 0000000..e2ab9ad
--- /dev/null
+++ b/AdvancedDisplay/res/layout/framelayout.xml
@@ -0,0 +1,5 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/frameLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />
+
diff --git a/AdvancedDisplay/res/values/arrays.xml b/AdvancedDisplay/res/values/arrays.xml
new file mode 100644
index 0000000..be9f348
--- /dev/null
+++ b/AdvancedDisplay/res/values/arrays.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2012-2014 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string-array name="mdnie_scenario_entries">
+        <item>CyanogenMod (default)</item>
+        <item>UI</item>
+        <item>Video</item>
+        <item>Video warm</item>
+        <item>Video cold</item>
+        <item>Camera</item>
+        <item>Navigation</item>
+        <item>Gallery</item>
+        <item>VT</item>
+    </string-array>
+
+    <string-array name="mdnie_scenario_entries_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+        <item>4</item>
+        <item>5</item>
+        <item>6</item>
+        <item>7</item>
+        <item>8</item>
+    </string-array>
+
+    <string-array name="mdnie_mode_entries">
+        <item>Dynamic (default)</item>
+        <item>Standard</item>
+        <item>Natural</item>
+        <item>Movie</item>
+    </string-array>
+
+    <string-array name="mdnie_mode_entries_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
+
+    <string-array name="mdnie_negative_entries">
+        <item>Normal</item>
+        <item>Inverted</item>
+    </string-array>
+
+    <string-array name="mdnie_negative_entries_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+    </string-array>
+</resources>
diff --git a/AdvancedDisplay/res/values/colors.xml b/AdvancedDisplay/res/values/colors.xml
new file mode 100644
index 0000000..2a95ee2
--- /dev/null
+++ b/AdvancedDisplay/res/values/colors.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <!-- Palette colors referenced by top-level themes. -->
+    <color name="theme_primary">#ff263238</color>
+    <color name="theme_primary_dark">#ff21272b</color>
+    <color name="theme_accent">#ff009688</color>
+</resources>
diff --git a/AdvancedDisplay/res/values/config.xml b/AdvancedDisplay/res/values/config.xml
new file mode 100644
index 0000000..a26bed0
--- /dev/null
+++ b/AdvancedDisplay/res/values/config.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- These resources are around just to allow their values to be customized
+     for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!-- MDNIE -->
+    <string name="mdnie_scenario_sysfs_file" translatable="false">"/sys/class/mdnie/mdnie/scenario"</string>
+    <string name="mdnie_mode_sysfs_file" translatable="false">"/sys/class/mdnie/mdnie/mode"</string>
+    <string name="mdnie_negative_sysfs_file" translatable="false">"/sys/class/mdnie/mdnie/negative"</string>
+
+</resources>
diff --git a/AdvancedDisplay/res/values/dimens.xml b/AdvancedDisplay/res/values/dimens.xml
new file mode 100644
index 0000000..62f1899
--- /dev/null
+++ b/AdvancedDisplay/res/values/dimens.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <!-- ActionBar contentInsetStart -->
+    <dimen name="actionbar_subsettings_contentInsetStart">72dp</dimen>
+</resources>
diff --git a/AdvancedDisplay/res/values/strings.xml b/AdvancedDisplay/res/values/strings.xml
new file mode 100644
index 0000000..6e6d213
--- /dev/null
+++ b/AdvancedDisplay/res/values/strings.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2012-2014 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="app_name">Advanced display</string>
+
+    <!-- Screen Preference -->
+    <string name="category_screen_title">Screen</string>
+    <string name="screen_colors_title">Colors</string>
+
+    <!-- mDNIe -->
+    <string name="mdnie_scenario_title_head">Scenario</string>
+    <string name="mdnie_scenario_summary_head">Set the mDNIe scenario</string>
+    <string name="mdnie_mode_title_head">Mode</string>
+    <string name="mdnie_mode_summary_head">Set the mDNIe mode</string>
+    <string name="mdnie_negative_title_head">Negative mode</string>
+    <string name="mdnie_negative_summary_head">Enable/disable inverted colors</string>
+</resources>
diff --git a/AdvancedDisplay/res/values/styles.xml b/AdvancedDisplay/res/values/styles.xml
new file mode 100644
index 0000000..af83c00
--- /dev/null
+++ b/AdvancedDisplay/res/values/styles.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License"
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <style name="Theme.Main" parent="@android:style/Theme.Material.Light.DarkActionBar">
+        <item name="android:colorPrimary">@color/theme_primary</item>
+        <item name="android:colorPrimaryDark">@color/theme_primary_dark</item>
+        <item name="android:colorAccent">@color/theme_accent</item>
+        <!-- Redefine the ActionBar style for contentInsetStart -->
+        <item name="android:actionBarStyle">@style/Theme.ActionBar.SubSettings</item>
+    </style>
+
+    <style name="Theme.ActionBar.SubSettings" parent="@android:style/Widget.Material.Light.ActionBar.Solid">
+        <item name="android:contentInsetStart">@dimen/actionbar_subsettings_contentInsetStart</item>
+    </style>
+</resources>
diff --git a/AdvancedDisplay/res/xml/screen_preferences.xml b/AdvancedDisplay/res/xml/screen_preferences.xml
new file mode 100644
index 0000000..56e536c
--- /dev/null
+++ b/AdvancedDisplay/res/xml/screen_preferences.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- Screen -->
+    <PreferenceCategory
+            android:title="@string/screen_colors_title">
+
+        <!-- mDNIe Scenario modes -->
+        <com.cyanogenmod.settings.device.mDNIeScenario
+                android:key="mdnie_scenario"
+                android:title="@string/mdnie_scenario_title_head"
+                android:summary="@string/mdnie_scenario_summary_head"
+                android:entries="@array/mdnie_scenario_entries"
+                android:entryValues="@array/mdnie_scenario_entries_values"
+                android:defaultValue="0" />
+
+        <!-- mDNIe Mode -->
+        <com.cyanogenmod.settings.device.mDNIeMode
+                android:key="mdnie_mode"
+                android:title="@string/mdnie_mode_title_head"
+                android:summary="@string/mdnie_mode_summary_head"
+                android:entries="@array/mdnie_mode_entries"
+                android:entryValues="@array/mdnie_mode_entries_values"
+                android:defaultValue="0" />
+
+        <!-- mDNIe Negative mode -->
+        <com.cyanogenmod.settings.device.mDNIeNegative
+                android:key="mdnie_negative"
+                android:title="@string/mdnie_negative_title_head"
+                android:summary="@string/mdnie_negative_summary_head"
+                android:entries="@array/mdnie_negative_entries"
+                android:entryValues="@array/mdnie_negative_entries_values"
+                android:defaultValue="0" />
+    </PreferenceCategory>
+
+</PreferenceScreen>
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java
new file mode 100644
index 0000000..e5930c8
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.app.Activity;
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.MenuItem;
+import android.widget.FrameLayout;
+
+import com.cyanogenmod.settings.device.R;
+
+import java.util.ArrayList;
+
+public class DisplaySettings extends Activity {
+
+    public static final String SHARED_PREFERENCES_BASENAME = "com.cyanogenmod.settings.device";
+    public static final String ACTION_UPDATE_PREFERENCES = "com.cyanogenmod.settings.device.UPDATE";
+    public static final String KEY_MDNIE_SCENARIO = "mdnie_scenario";
+    public static final String KEY_MDNIE_MODE = "mdnie_mode";
+    public static final String KEY_MDNIE_NEGATIVE = "mdnie_negative";
+
+    ScreenFragmentActivity mFragment;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mFragment = new ScreenFragmentActivity();
+        setContentView(R.layout.framelayout);
+        getFragmentManager().beginTransaction().add(R.id.frameLayout, mFragment).commit();
+
+        final ActionBar bar = getActionBar();
+        bar.setTitle(R.string.app_name);
+        bar.setDisplayHomeAsUpEnabled(true);
+
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+        case android.R.id.home:
+            DisplaySettings.this.onBackPressed();
+        default:
+            return super.onOptionsItemSelected(item);
+        }
+    }
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
new file mode 100644
index 0000000..7b64a4f
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceCategory;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
+import android.preference.PreferenceScreen;
+import android.util.Log;
+
+import com.cyanogenmod.settings.device.R;
+
+public class ScreenFragmentActivity extends PreferenceFragment {
+
+    private static final String PREF_ENABLED = "1";
+    private static final String TAG = "DisplaySettings_Screen";
+    private mDNIeScenario mmDNIeScenario;
+    private mDNIeMode mmDNIeMode;
+    private mDNIeNegative mmDNIeNegative;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        addPreferencesFromResource(R.xml.screen_preferences);
+        PreferenceScreen preferenceScreen = getPreferenceScreen();
+        Resources res = getResources();
+
+        /* mDNIe */
+        mmDNIeScenario = (mDNIeScenario) findPreference(DisplaySettings.KEY_MDNIE_SCENARIO);
+        mmDNIeScenario.setEnabled(mDNIeScenario.isSupported(res.getString(R.string.mdnie_scenario_sysfs_file)));
+
+        mmDNIeMode = (mDNIeMode) findPreference(DisplaySettings.KEY_MDNIE_MODE);
+        mmDNIeMode.setEnabled(mDNIeMode.isSupported(res.getString(R.string.mdnie_mode_sysfs_file)));
+
+        mmDNIeNegative = (mDNIeNegative) findPreference(DisplaySettings.KEY_MDNIE_NEGATIVE);
+        mmDNIeNegative.setEnabled(mDNIeNegative.isSupported(res.getString(R.string.mdnie_negative_sysfs_file)));
+
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+
+        String key = preference.getKey();
+        Log.w(TAG, "key: " + key);
+
+        return true;
+    }
+
+    public static boolean isSupported(String FILE) {
+        return Utils.fileExists(FILE);
+    }
+
+    public static void restore(Context context) {
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java
new file mode 100644
index 0000000..2bada88
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class Startup extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(final Context context, final Intent bootintent) {
+        mDNIeScenario.restore(context);
+        mDNIeMode.restore(context);
+        mDNIeNegative.restore(context);
+        ScreenFragmentActivity.restore(context);
+    }
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java
new file mode 100644
index 0000000..552ece5
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.util.Log;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.SyncFailedException;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Context;
+
+public class Utils {
+
+    private static final String TAG = "DeviceSettings_Utils";
+    private static final String TAG_READ = "DeviceSettings_Utils_Read";
+    private static final String TAG_WRITE = "DeviceSettings_Utils_Write";
+
+    /**
+     * Write a string value to the specified file.
+     *
+     * @param filename The filename
+     * @param value The value
+     */
+    public static void writeValue(String filename, String value) {
+        FileOutputStream fos = null;
+        try {
+            fos = new FileOutputStream(new File(filename), false);
+            fos.write(value.getBytes());
+            fos.flush();
+            // fos.getFD().sync();
+        } catch (FileNotFoundException ex) {
+            Log.w(TAG, "file " + filename + " not found: " + ex);
+        } catch (SyncFailedException ex) {
+            Log.w(TAG, "file " + filename + " sync failed: " + ex);
+        } catch (IOException ex) {
+            Log.w(TAG, "IOException trying to sync " + filename + ": " + ex);
+        } catch (RuntimeException ex) {
+            Log.w(TAG, "exception while syncing file: ", ex);
+        } finally {
+            if (fos != null) {
+                try {
+                    Log.w(TAG_WRITE, "file " + filename + ": " + value);
+                    fos.close();
+                } catch (IOException ex) {
+                    Log.w(TAG, "IOException while closing synced file: ", ex);
+                } catch (RuntimeException ex) {
+                    Log.w(TAG, "exception while closing file: ", ex);
+                }
+            }
+        }
+
+    }
+
+    /**
+     * Check if the specified file exists.
+     * @param filename      The filename
+     * @return              Whether the file exists or not
+     */
+    public static boolean fileExists(String filename) {
+        return new File(filename).exists();
+    }
+
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java
new file mode 100644
index 0000000..c777d72
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.content.Context;
+
+import android.content.SharedPreferences;
+import android.util.AttributeSet;
+import android.preference.Preference;
+import android.preference.ListPreference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceManager;
+
+public class mDNIeMode extends ListPreference implements OnPreferenceChangeListener {
+
+    private static String FILE = null;
+
+    public mDNIeMode(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.setOnPreferenceChangeListener(this);
+        FILE = context.getResources().getString(R.string.mdnie_mode_sysfs_file);
+    }
+
+    public static boolean isSupported(String filePath) {
+        return Utils.fileExists(filePath);
+    }
+
+    /**
+     * Restore mdnie user mode setting from SharedPreferences. (Write to kernel.)
+     * @param context       The context to read the SharedPreferences from
+     */
+    public static void restore(Context context) {
+        FILE = context.getResources().getString(R.string.mdnie_mode_sysfs_file);
+        if (!isSupported(FILE)) {
+            return;
+        }
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_MODE, "0"));
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.writeValue(FILE, (String) newValue);
+        return true;
+    }
+
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java
new file mode 100644
index 0000000..bde9946
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import java.io.IOException;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.content.SharedPreferences;
+import android.preference.Preference;
+import android.preference.ListPreference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceManager;
+
+public class mDNIeNegative extends ListPreference implements OnPreferenceChangeListener {
+
+    private static String FILE = null;
+
+    public mDNIeNegative(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.setOnPreferenceChangeListener(this);
+        FILE = context.getResources().getString(R.string.mdnie_negative_sysfs_file);
+    }
+
+    public static boolean isSupported(String filePath) {
+        return Utils.fileExists(filePath);
+    }
+
+    /**
+     * Restore mdnie user mode setting from SharedPreferences. (Write to kernel.)
+     * @param context       The context to read the SharedPreferences from
+     */
+    public static void restore(Context context) {
+        FILE = context.getResources().getString(R.string.mdnie_negative_sysfs_file);
+        if (!isSupported(FILE)) {
+            return;
+        }
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_NEGATIVE, "0"));
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.writeValue(FILE, (String) newValue);
+        return true;
+    }
+
+}
diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java
new file mode 100644
index 0000000..cbab69d
--- /dev/null
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.content.Context;
+
+import android.content.SharedPreferences;
+import android.util.AttributeSet;
+import android.preference.Preference;
+import android.preference.ListPreference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceManager;
+
+public class mDNIeScenario extends ListPreference implements OnPreferenceChangeListener {
+
+    private static String FILE = null;
+
+    public mDNIeScenario(Context context, AttributeSet attrs) {
+        super(context,attrs);
+        this.setOnPreferenceChangeListener(this);
+        FILE = context.getResources().getString(R.string.mdnie_scenario_sysfs_file);
+    }
+
+    public static boolean isSupported(String filePath) {
+        return Utils.fileExists(filePath);
+    }
+
+    /**
+     * Restore mdnie "camera" setting from SharedPreferences. (Write to kernel.)
+     * @param context       The context to read the SharedPreferences from
+     */
+    public static void restore(Context context) {
+        FILE = context.getResources().getString(R.string.mdnie_scenario_sysfs_file);
+        if (!isSupported(FILE)) {
+            return;
+        }
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_SCENARIO, "0"));
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.writeValue(FILE, (String) newValue);
+        return true;
+    }
+
+}