i9300: advanced setting: add content adaptive backlight control

Change-Id: I8979a7434265d76172d6d0180b37abaef61d8aaa

11 files changed, 147 insertions, 61 deletions

diff --git a/DeviceSettings/Android.mk b/DeviceSettings/Android.mk
index 12c8de5..6605185 100644
--- a/DeviceSettings/Android.mk
+++ b/DeviceSettings/Android.mk
@@ -7,7 +7,7 @@ LOCAL_STATIC_JAVA_LIBRARIES := android-support-v13
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
-LOCAL_PACKAGE_NAME := GalaxyS3Settings
+LOCAL_PACKAGE_NAME := DeviceSettings
 LOCAL_CERTIFICATE := platform
 
 include $(BUILD_PACKAGE)
diff --git a/DeviceSettings/res/values/strings.xml b/DeviceSettings/res/values/strings.xml
index 5570385..1bf9807 100644
--- a/DeviceSettings/res/values/strings.xml
+++ b/DeviceSettings/res/values/strings.xml
@@ -2,22 +2,15 @@
 <resources>
     <string name="app_name">Advanced settings</string>
 
-    <string name="category_dock_title">Dock</string>
-    <string name="dockaudio_subcat_title">Dock Audio</string>
-    <string name="use_dock_audio_title_head">Use Dock USB Audio</string>
-    <string name="use_dock_audio_summary_head">Use the passive audio out on the dock</string>
-
-    <string name="category_haptic_title">Haptic</string>
-    <string name="vibrator_subcat_title">Vibrator</string>
-    <string name="vibrator_intensity_title_head">Vibrator Intensity</string>
-    <string name="vibrator_intensity_summary_head">Set vibrator intensity</string>
-
-    <string name="category_radio_title">Radio</string>
-    <string name="hspa_title_head">HSPA</string>
-    <string name="hspa_summary_head">Enable HSDPA/HSUPA</string>
-
+    <!-- Screen -->
     <string name="category_screen_title">Screen</string>
     <string name="mdnie_subcat_title">Colors</string>
+
+    <!-- CABC -->
+    <string name="cabc_title_head">CABC</string>
+    <string name="cabc_summary_head">Enable content adaptive backlight control</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>
@@ -25,10 +18,12 @@
     <string name="mdnie_negative_title_head">Negative Mode</string>
     <string name="mdnie_negative_summary_head">Enable/Disable inverted colors</string>
 
+    <!-- LED -->
     <string name="led_subcat_title">Notification LED</string>
     <string name="led_fade_title_head">LED Fading</string>
     <string name="led_fade_summary_head">Enable LED smooth fading instead of sharp blinking.</string>
 
+    <!-- Touchkey -->
     <string name="touchkey_subcat_title">Touchkeys</string>
     <string name="touchkey_light_title_head">Backlight</string>
     <string name="touchkey_light_summary_off">Enable backlight</string>
@@ -36,4 +31,21 @@
     <string name="touchkey_timeout_title_head">Backlight timeout</string>
     <string name="touchkey_timeout_summary_head">Set timeout for the backlight</string>
 
+    <!-- Dock -->
+    <string name="category_dock_title">Dock</string>
+    <string name="dockaudio_subcat_title">Dock Audio</string>
+    <string name="use_dock_audio_title_head">Use Dock USB Audio</string>
+    <string name="use_dock_audio_summary_head">Use the passive audio out on the dock</string>
+
+    <!-- Haptic -->
+    <string name="category_haptic_title">Haptic</string>
+    <string name="vibrator_subcat_title">Vibrator</string>
+    <string name="vibrator_intensity_title_head">Vibrator Intensity</string>
+    <string name="vibrator_intensity_summary_head">Set vibrator intensity</string>
+
+    <!-- Radio -->
+    <string name="category_radio_title">Radio</string>
+    <string name="hspa_title_head">HSPA</string>
+    <string name="hspa_summary_head">Enable HSDPA/HSUPA</string>
+
 </resources>
diff --git a/DeviceSettings/res/xml/screen_preferences.xml b/DeviceSettings/res/xml/screen_preferences.xml
index aff39c0..313f22c 100644
--- a/DeviceSettings/res/xml/screen_preferences.xml
+++ b/DeviceSettings/res/xml/screen_preferences.xml
@@ -1,59 +1,69 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <!-- Screen -->
     <PreferenceCategory
-                android:title="@string/mdnie_subcat_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" />
+            android:title="@string/mdnie_subcat_title">
 
-    <!-- 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" />
+        <!-- CABC -->
+        <com.cyanogenmod.settings.device.CABC
+                android:key="cabc"
+                android:title="@string/cabc_title_head"
+                android:summary="@string/cabc_summary_head"
+                android:defaultValue="true" />
 
-    <!-- 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" />
+        <!-- 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>
 
+    <!-- LED -->
     <PreferenceCategory
-                android:title="@string/led_subcat_title">
-    <!-- LED fading mode -->
-    <com.cyanogenmod.settings.device.LedFade
+            android:title="@string/led_subcat_title">
+        <!-- LED fading mode -->
+        <com.cyanogenmod.settings.device.LedFade
                 android:key="led_fade"
                 android:title="@string/led_fade_title_head"
                 android:summary="@string/led_fade_summary_head"
                 android:entries="@array/led_fade_entries"
-                        android:entryValues="@array/led_fade_entries_values"
-                        android:defaultValue="1" />
+                android:entryValues="@array/led_fade_entries_values"
+                android:defaultValue="1" />
     </PreferenceCategory>
 
+    <!-- Touchkeys -->
     <PreferenceCategory
-                android:title="@string/touchkey_subcat_title">
-    <!-- Touchkey backlight -->
-    <CheckBoxPreference
+            android:title="@string/touchkey_subcat_title">
+        <!-- Touchkey backlight -->
+        <CheckBoxPreference
                 android:key="touchkey_light"
                 android:title="@string/touchkey_light_title_head"
                 android:summaryOff="@string/touchkey_light_summary_off"
                 android:summaryOn="@string/touchkey_light_summary_on"
-                android:defaultValue="true"
-                />
-    <com.cyanogenmod.settings.device.TouchkeyTimeout
+                android:defaultValue="true" />
+        <com.cyanogenmod.settings.device.TouchkeyTimeout
                 android:key="touchkey_timeout"
                 android:title="@string/touchkey_timeout_title_head"
                 android:summary="@string/touchkey_timeout_summary_head"
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/CABC.java b/DeviceSettings/src/com/cyanogenmod/settings/device/CABC.java
new file mode 100644
index 0000000..af247d8
--- /dev/null
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/CABC.java
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ */
+
+package com.cyanogenmod.settings.device;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceManager;
+import android.util.AttributeSet;
+
+public class CABC extends CheckBoxPreference implements OnPreferenceChangeListener {
+
+    public CABC(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.setOnPreferenceChangeListener(this);
+    }
+
+    private static final String FILE = "/sys/class/lcd/panel/power_reduce";
+
+    public static boolean isSupported() {
+        return Utils.fileExists(FILE);
+    }
+
+    /**
+     * Restore cabc 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.getBoolean(DeviceSettings.KEY_CABC, true) ? "1" : "0");
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.writeValue(FILE, (Boolean)newValue ? "1" : "0");
+        return true;
+    }
+
+}
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java b/DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java
index 6c5fc67..3284e39 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java
@@ -36,14 +36,15 @@ public class DeviceSettings extends FragmentActivity {
 
     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_HSPA = "hspa";
-    public static final String KEY_VIBRATOR_INTENSITY = "vibrator_intensity";
+    public static final String KEY_CABC = "cabc";
     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";
     public static final String KEY_LED_FADE = "led_fade";
     public static final String KEY_TOUCHKEY_LIGHT = "touchkey_light";
     public static final String KEY_TOUCHKEY_TIMEOUT = "touchkey_timeout";
+    public static final String KEY_HSPA = "hspa";
+    public static final String KEY_VIBRATOR_INTENSITY = "vibrator_intensity";
     public static final String KEY_USE_DOCK_AUDIO = "dock_audio";
 
     ViewPager mViewPager;
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/DockFragmentActivity.java b/DeviceSettings/src/com/cyanogenmod/settings/device/DockFragmentActivity.java
index c57cd63..1adf774 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/DockFragmentActivity.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/DockFragmentActivity.java
@@ -35,7 +35,7 @@ import com.cyanogenmod.settings.device.R;
 public class DockFragmentActivity extends PreferenceFragment {
 
     private static final String PREF_ENABLED = "1";
-    private static final String TAG = "GalaxyS3Settings_Dock";
+    private static final String TAG = "DeviceSettings_Dock";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/HapticFragmentActivity.java b/DeviceSettings/src/com/cyanogenmod/settings/device/HapticFragmentActivity.java
index 0f3313d..176d80a 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/HapticFragmentActivity.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/HapticFragmentActivity.java
@@ -33,7 +33,7 @@ import com.cyanogenmod.settings.device.R;
 public class HapticFragmentActivity extends PreferenceFragment {
 
     private static final String PREF_ENABLED = "1";
-    private static final String TAG = "GalaxyS3Settings_Haptic";
+    private static final String TAG = "DeviceSettings_Haptic";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/RadioFragmentActivity.java b/DeviceSettings/src/com/cyanogenmod/settings/device/RadioFragmentActivity.java
index 62b855c..d094ef2 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/RadioFragmentActivity.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/RadioFragmentActivity.java
@@ -33,7 +33,7 @@ import com.cyanogenmod.settings.device.R;
 public class RadioFragmentActivity extends PreferenceFragment {
 
     private static final String PREF_ENABLED = "1";
-    private static final String TAG = "GalaxyS2Parts_Radio";
+    private static final String TAG = "DeviceSettings_Radio";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java b/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
index 36180ae..ea0e429 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
@@ -33,11 +33,12 @@ import com.cyanogenmod.settings.device.R;
 public class ScreenFragmentActivity extends PreferenceFragment {
 
     private static final String PREF_ENABLED = "1";
-    private static final String TAG = "GalaxyS3Settings_Screen";
+    private static final String TAG = "DeviceSettings_Screen";
     private mDNIeScenario mmDNIeScenario;
     private mDNIeMode mmDNIeMode;
     private mDNIeNegative mmDNIeNegative;
     private LedFade mLedFade;
+    private CABC mCABC;
 
     private static final String FILE_TOUCHKEY_BRIGHTNESS = "/sys/class/sec/sec_touchkey/brightness";
     private static final String FILE_TOUCHKEY_DISABLE = "/sys/class/sec/sec_touchkey/force_disable";
@@ -47,8 +48,11 @@ public class ScreenFragmentActivity extends PreferenceFragment {
         super.onCreate(savedInstanceState);
 
         addPreferencesFromResource(R.xml.screen_preferences);
-
         PreferenceScreen prefSet = getPreferenceScreen();
+
+        mCABC = (CABC) findPreference(DeviceSettings.KEY_CABC);
+        mCABC.setEnabled(CABC.isSupported());
+
         mmDNIeScenario = (mDNIeScenario) findPreference(DeviceSettings.KEY_MDNIE_SCENARIO);
         mmDNIeScenario.setEnabled(mDNIeScenario.isSupported());
 
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/Startup.java b/DeviceSettings/src/com/cyanogenmod/settings/device/Startup.java
index 56b903b..8acfd07 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/Startup.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/Startup.java
@@ -29,6 +29,7 @@ public class Startup extends BroadcastReceiver {
         Hspa.restore(context);
         RadioFragmentActivity.restore(context);
         ScreenFragmentActivity.restore(context);
+        CABC.restore(context);
         mDNIeScenario.restore(context);
         mDNIeMode.restore(context);
         mDNIeNegative.restore(context);
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java b/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java
index d4df92f..bd8eb65 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java
@@ -29,9 +29,9 @@ import android.content.Context;
 
 public class Utils {
 
-    private static final String TAG = "GalaxyS3Settings_Utils";
-    private static final String TAG_READ = "GalaxyS3Settings_Utils_Read";
-    private static final String TAG_WRITE = "GalaxyS3Settings_Utils_Write";
+    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.