Add control for fast USB Charge

Change-Id: I60e791ac3560f192d1dd3401fe79e36da577a512

7 files changed, 35 insertions, 7 deletions

diff --git a/GNexusParts/res/values-de/strings.xml b/GNexusParts/res/values-de/strings.xml
index ed03759..e5e4826 100644
--- a/GNexusParts/res/values-de/strings.xml
+++ b/GNexusParts/res/values-de/strings.xml
@@ -6,7 +6,7 @@
     <string name="general_title">ALLGEMEIN</string>
     <string name="display_title">BILDSCHIRM</string>
 
-    <string name="category_cpu_title">Prozessor</string>
+    <string name="category_system_title">System</string>
     <string name="category_screen_title">WM8994 Einstellungen ( voodoo )</string>
     <string name="color_tuning_title_head">Farbmultiplikator</string>
     <string name="color_tuning_summary_head">Farbmultiplikator einstellen</string>
diff --git a/GNexusParts/res/values-ja/strings.xml b/GNexusParts/res/values-ja/strings.xml
index 357a2d8..6a650f3 100644
--- a/GNexusParts/res/values-ja/strings.xml
+++ b/GNexusParts/res/values-ja/strings.xml
@@ -6,7 +6,7 @@
     <string name="general_title">一般</string>
     <string name="display_title">ディスプレイ</string>
 
-    <string name="category_cpu_title">CPU</string>
+    <string name="category_system_title">SYSTEM</string>
     <string name="category_screen_title">WM8994設定 ( voodoo )</string>
     <string name="color_tuning_title_head">カラーマルチプライヤチューニング</string>
     <string name="color_tuning_summary_head">画面の色味を調整する</string>
diff --git a/GNexusParts/res/values-ru/strings.xml b/GNexusParts/res/values-ru/strings.xml
index cd76fca..57fc0ca 100644
--- a/GNexusParts/res/values-ru/strings.xml
+++ b/GNexusParts/res/values-ru/strings.xml
@@ -6,7 +6,6 @@
     <string name="general_title">ОСНОВНЫЕ</string>
     <string name="display_title">ДИСПЛЕЙ</string>
 
-    <string name="category_cpu_title">ЦП</string>
     <string name="category_screen_title">Настройки WM8994 ( voodoo )</string>
     <string name="color_tuning_title_head">Настройка цвета мультипликатора</string>
     <string name="color_tuning_summary_head">Калибровка цвета мультипликатора</string>
diff --git a/GNexusParts/res/values/strings.xml b/GNexusParts/res/values/strings.xml
index 43f27a5..f06093f 100644
--- a/GNexusParts/res/values/strings.xml
+++ b/GNexusParts/res/values/strings.xml
@@ -6,7 +6,7 @@
     <string name="general_title">GENERAL</string>
     <string name="display_title">DISPLAY</string>
 
-    <string name="category_cpu_title">CPU</string>
+    <string name="category_system_title">System</string>
     <string name="category_screen_title">WM8994 Settings ( voodoo )</string>
     <string name="color_tuning_title_head">Color Multipliers Tuning</string>
     <string name="color_tuning_summary_head">Calibrate multipliers screen color</string>
@@ -23,6 +23,8 @@
     <string name="color_default_title">Default</string>
     <string name="color_CM_title">CM Sett.</string>
     <string name="color_dark_title">Dark Sett.</string>
+    <string name="usb_fastcharge_title_head">Fast charge USB</string>
+    <string name="usb_fastcharge_summary_head">Fast charge when connected to computer USB interface</string>
 
     <string name="preset1_default_title">Default.</string>
     <string name="preset2_default_title">Natural</string>
@@ -30,7 +32,7 @@
     <string name="preset4_default_title">Warm</string>
     <string name="preset5_default_title">Dark Cold</string>
     <string name="preset6_default_title">Cross Proc.</string>
-    <string name="credits_presets">Credits: ale.landra91 cpaixao provolinoo</string>
+    <string name="credits_presets">Credits: ale.landra91 cpaixao malycomix</string>
 
     <string name="category_touchkey_title">Touch Keys</string>
     <string name="touchkey_notification_title_head">Backlight Notifications</string>
diff --git a/GNexusParts/res/xml/general_preferences.xml b/GNexusParts/res/xml/general_preferences.xml
index fc07c42..2bf2c43 100644
--- a/GNexusParts/res/xml/general_preferences.xml
+++ b/GNexusParts/res/xml/general_preferences.xml
@@ -2,8 +2,12 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- General settings -->
-    <PreferenceCategory android:key="category_cpu"
-        android:title="@string/category_cpu_title">
+    <PreferenceCategory android:key="category_system"
+        android:title="@string/category_system_title">
+
+        <CheckBoxPreference android:key="fast_charge_usb"
+            android:title="@string/usb_fastcharge_title_head"
+            android:summary="@string/usb_fastcharge_summary_head" />
 
     </PreferenceCategory>
 
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java b/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
index e131654..d5d7838 100644
--- a/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
@@ -45,6 +45,7 @@ public class DeviceSettings extends Activity {
     public static final String KEY_GAMMA_TUNING = "gamma_tuning";
     public static final String KEY_CATEGORY_RADIO = "category_radio";
     public static final String KEY_HSPA = "hspa";
+    public static final String KEY_USB_FAST_CHARGE = "fast_charge_usb";
 
     ViewPager mViewPager;
     TabsAdapter mTabsAdapter;
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java b/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
index ca1b155..17644e6 100644
--- a/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
@@ -27,6 +27,7 @@ import android.preference.PreferenceFragment;
 import android.preference.PreferenceManager;
 import android.preference.PreferenceScreen;
 import android.util.Log;
+import android.view.View;
 
 import com.cyanogenmod.settings.device.R;
 
@@ -34,6 +35,9 @@ public class GeneralFragmentActivity extends PreferenceFragment {
 
     private static final String PREF_ENABLED = "1";
     private static final String TAG = "GNexusParts_General";
+    private static final String USB_FAST_CHARGE_FILE = "/sys/kernel/fast_charge/force_fast_charge";
+
+    private CheckBoxPreference mUSBFastCharge;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -42,6 +46,13 @@ public class GeneralFragmentActivity extends PreferenceFragment {
         addPreferencesFromResource(R.xml.general_preferences);
 
         PreferenceScreen prefSet = getPreferenceScreen();
+        mUSBFastCharge = (CheckBoxPreference) findPreference(DeviceSettings.KEY_USB_FAST_CHARGE);
+
+        if (isSupported(USB_FAST_CHARGE_FILE)) {
+            mUSBFastCharge.setChecked(PREF_ENABLED.equals(Utils.readOneLine(USB_FAST_CHARGE_FILE)));
+        } else {
+            mUSBFastCharge.setEnabled(false);
+        }
 
     }
 
@@ -53,6 +64,12 @@ public class GeneralFragmentActivity extends PreferenceFragment {
 
         Log.w(TAG, "key: " + key);
 
+        if (key.equals(DeviceSettings.KEY_USB_FAST_CHARGE)) {
+            final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
+            boxValue = chkPref.isChecked() ? "1" : "0";
+            Utils.writeValue(USB_FAST_CHARGE_FILE, boxValue);
+        }
+
         return true;
     }
 
@@ -62,5 +79,10 @@ public class GeneralFragmentActivity extends PreferenceFragment {
 
     public static void restore(Context context) {
         SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        if (isSupported(USB_FAST_CHARGE_FILE)) {
+            String sDefaultValue = Utils.readOneLine(USB_FAST_CHARGE_FILE);
+            Utils.writeValue(USB_FAST_CHARGE_FILE, sharedPrefs.getBoolean(DeviceSettings.KEY_USB_FAST_CHARGE,
+                             PREF_ENABLED.equals(sDefaultValue)));
+        }
     }
 }