Add lockscreen rotation as an optional rotation setting (2/2)

This will allow the user to select wether or not to use the
rotation settings for the lockscreen.  This is dependent
upon the rotation setting being checked.

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: If45c13a395e0d71b7c4cdcf484a6b8cef964ee37
JIRA: CYAN-339

4 files changed, 39 insertions, 16 deletions

diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index 182849a..cc507c3 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -399,6 +399,7 @@
     <string name="display_rotation_title">Rotation</string>
     <string name="display_rotation_disabled">Disabled</string>
     <string name="display_rotation_unit">degrees</string>
+    <string name="display_lockscreen_rotation_title">Rotate lock screen</string>
     <string name="display_rotation_category_title">Rotation modes</string>
     <string name="display_rotation_0_title">0 degrees</string>
     <string name="display_rotation_90_title">90 degrees</string>
diff --git a/res/xml/display_rotation.xml b/res/xml/display_rotation.xml
index 86b9e9f..c21de2e 100644
--- a/res/xml/display_rotation.xml
+++ b/res/xml/display_rotation.xml
@@ -21,13 +21,15 @@
     <CheckBoxPreference
         android:key="accelerometer"
         android:title="@string/accelerometer_title" />
-
     <CheckBoxPreference
         android:key="swap_volume_buttons"
         android:title="@string/swap_volume_buttons_title"
         android:summary="@string/swap_volume_buttons_summary"
         android:dependency="accelerometer" />
-
+    <CheckBoxPreference
+        android:key="lockscreen_rotation"
+        android:title="@string/display_lockscreen_rotation_title"
+        android:dependency="accelerometer" />
     <PreferenceCategory
         android:key="display_rotation_category"
         android:title="@string/display_rotation_category_title" />
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 2e9085a..ed60b84 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -61,6 +61,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     private static final String KEY_SCREEN_SAVER = "screensaver";
     private static final String KEY_WIFI_DISPLAY = "wifi_display";
     private static final String KEY_DISPLAY_ROTATION = "display_rotation";
+    private static final String KEY_LOCKSCREEN_ROTATION = "lockscreen_rotation";
     private static final String KEY_WAKEUP_CATEGORY = "category_wakeup_options";
     private static final String KEY_HOME_WAKE = "pref_home_wake";
     private static final String KEY_VOLUME_WAKE = "pref_volume_wake";
@@ -111,16 +112,25 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ContentResolver resolver = getActivity().getContentResolver();
+        Resources res = getResources();
 
         addPreferencesFromResource(R.xml.display_settings);
 
         mDisplayRotationPreference = (PreferenceScreen) findPreference(KEY_DISPLAY_ROTATION);
 
+        final CheckBoxPreference lockScreenRotation =
+                (CheckBoxPreference) findPreference(KEY_LOCKSCREEN_ROTATION);
+        if (lockScreenRotation != null) {
+            if (!res.getBoolean(com.android.internal.R.bool.config_enableLockScreenRotation)) {
+                getPreferenceScreen().removePreference(lockScreenRotation);
+            }
+        }
+
         mScreenSaverPreference = findPreference(KEY_SCREEN_SAVER);
-        if (mScreenSaverPreference != null
-                && getResources().getBoolean(
-                        com.android.internal.R.bool.config_dreamsSupported) == false) {
-            getPreferenceScreen().removePreference(mScreenSaverPreference);
+        if (mScreenSaverPreference != null) {
+            if (!res.getBoolean(com.android.internal.R.bool.config_dreamsSupported)) {
+                getPreferenceScreen().removePreference(mScreenSaverPreference);
+            }
         }
 
         mScreenTimeoutPreference = (ListPreference) findPreference(KEY_SCREEN_TIMEOUT);
@@ -153,7 +163,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
         // Home button wake
         mHomeWake = (CheckBoxPreference) findPreference(KEY_HOME_WAKE);
         if (mHomeWake != null) {
-            if (!getResources().getBoolean(R.bool.config_show_homeWake)) {
+            if (!res.getBoolean(R.bool.config_show_homeWake)) {
                 wakeupCategory.removePreference(mHomeWake);
             } else {
                 mHomeWake.setChecked(Settings.System.getInt(resolver,
@@ -165,7 +175,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
         // Volume rocker wake
         mVolumeWake = (CheckBoxPreference) findPreference(KEY_VOLUME_WAKE);
         if (mVolumeWake != null) {
-            if (!getResources().getBoolean(R.bool.config_show_volumeRockerWake)
+            if (!res.getBoolean(R.bool.config_show_volumeRockerWake)
                     || !Utils.hasVolumeRocker(getActivity())) {
                 wakeupCategory.removePreference(mVolumeWake);
             } else {
@@ -181,7 +191,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
         }
 
         mScreenOffAnimation = (CheckBoxPreference) findPreference(KEY_SCREEN_OFF_ANIMATION);
-        if (getResources().getBoolean(com.android.internal.R.bool.config_screenOffAnimation)) {
+        if (res.getBoolean(com.android.internal.R.bool.config_screenOffAnimation)) {
             mScreenOffAnimation.setChecked(Settings.System.getInt(resolver,
                     Settings.System.SCREEN_OFF_ANIMATION, 1) == 1);
         } else {
diff --git a/src/com/android/settings/cyanogenmod/DisplayRotation.java b/src/com/android/settings/cyanogenmod/DisplayRotation.java
index 15b4137..b11c2fb 100644
--- a/src/com/android/settings/cyanogenmod/DisplayRotation.java
+++ b/src/com/android/settings/cyanogenmod/DisplayRotation.java
@@ -35,6 +35,7 @@ public class DisplayRotation extends SettingsPreferenceFragment implements OnPre
     private static final String TAG = "DisplayRotation";
 
     private static final String KEY_ACCELEROMETER = "accelerometer";
+    private static final String LOCKSCREEN_ROTATION = "lockscreen_rotation";
     private static final String ROTATION_0_PREF = "display_rotation_0";
     private static final String ROTATION_90_PREF = "display_rotation_90";
     private static final String ROTATION_180_PREF = "display_rotation_180";
@@ -42,6 +43,7 @@ public class DisplayRotation extends SettingsPreferenceFragment implements OnPre
     private static final String KEY_SWAP_VOLUME_BUTTONS = "swap_volume_buttons";
 
     private CheckBoxPreference mAccelerometer;
+    private CheckBoxPreference mLockScreenRotationPref;
     private CheckBoxPreference mRotation0Pref;
     private CheckBoxPreference mRotation90Pref;
     private CheckBoxPreference mRotation180Pref;
@@ -74,6 +76,7 @@ public class DisplayRotation extends SettingsPreferenceFragment implements OnPre
         mAccelerometer = (CheckBoxPreference) findPreference(KEY_ACCELEROMETER);
         mAccelerometer.setPersistent(false);
 
+        mLockScreenRotationPref = (CheckBoxPreference) prefSet.findPreference(LOCKSCREEN_ROTATION);
         mRotation0Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_0_PREF);
         mRotation90Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_90_PREF);
         mRotation180Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_180_PREF);
@@ -99,6 +102,11 @@ public class DisplayRotation extends SettingsPreferenceFragment implements OnPre
             }
         }
 
+        if (mLockScreenRotationPref != null) {
+            mLockScreenRotationPref.setChecked(Settings.System.getInt(getContentResolver(),
+                    Settings.System.LOCKSCREEN_ROTATION, 0) != 0);
+        }
+
         if (hasRotationLock) {
             // Disable accelerometer checkbox, but leave others enabled
             mAccelerometer.setEnabled(false);
@@ -159,16 +167,18 @@ public class DisplayRotation extends SettingsPreferenceFragment implements OnPre
                 mode |= ROTATION_0_MODE;
                 mRotation0Pref.setChecked(true);
             }
-            Settings.System.putInt(getActivity().getApplicationContext().getContentResolver(),
+            Settings.System.putInt(getActivity().getContentResolver(),
                     Settings.System.ACCELEROMETER_ROTATION_ANGLES, mode);
             return true;
+        } else if (preference == mLockScreenRotationPref) {
+            boolean value = mLockScreenRotationPref.isChecked();
+            Settings.System.putInt(getActivity().getContentResolver(),
+                    Settings.System.LOCKSCREEN_ROTATION, value ? 1 : 0);
+            return true;
         } else if (preference == mSwapVolumeButtons) {
-            Context context = getActivity().getApplicationContext();
-            Settings.System.putInt(context.getContentResolver(),
-                    Settings.System.SWAP_VOLUME_KEYS_ON_ROTATION,
-                    mSwapVolumeButtons.isChecked()
-                    ? (Utils.isTablet(context) ? 2 : 1)
-                    : 0);
+            int value = mSwapVolumeButtons.isChecked() ? (Utils.isTablet(getActivity()) ? 2 : 1) : 0;
+            Settings.System.putInt(getActivity().getContentResolver(),
+                    Settings.System.SWAP_VOLUME_KEYS_ON_ROTATION, value);
         }
 
         return super.onPreferenceTreeClick(preferenceScreen, preference);