From d3232da75a711349060f45b61ed768c49ff6e3e4 Mon Sep 17 00:00:00 2001
From: Jason Monk <jmonk@google.com>
Date: Wed, 20 Aug 2014 13:29:20 -0400
Subject: [PATCH] Bring back auto-rotate to settings

Add a dropdown preference to the display settings screen that
controls whether auto-rotate is on.

Bug: 16636008
Change-Id: I71099a23793aa82b514bd0eebae183695415a92c
---
 res/values/strings.xml                        | 11 ++++
 res/xml/display_settings.xml                  |  4 ++
 src/com/android/settings/DisplaySettings.java | 55 ++++++++++++++++++-
 3 files changed, 67 insertions(+), 3 deletions(-)

diff --git a/res/values/strings.xml b/res/values/strings.xml
index d75824e053d..96f57cb99d0 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5918,4 +5918,15 @@
     <!-- Summary Title for saying that the preference is experimental and will evolve over time due to User feedback. [CHAR LIMIT=NONE] -->
     <string name="experimental_preference">(Experimental)</string>
 
+    <!-- [CHAR LIMIT=45] Auto-rotate setting title -->
+    <string name="display_auto_rotate_title">When device is rotated</string>
+    <!-- [CHAR LIMIT=70] Rotate when screen is turned option -->
+    <string name="display_auto_rotate_rotate">Rotate the contents of the screen</string>
+    <!-- [CHAR LIMIT=70] Keep the screen in portrait when rotated -->
+    <string name="display_auto_rotate_stay_in_portrait">Stay in portrait view</string>
+    <!-- [CHAR LIMIT=70] Keep the screen in landscape when rotated -->
+    <string name="display_auto_rotate_stay_in_landscape">Stay in landscape view</string>
+    <!-- [CHAR LIMIT=70] Don't rotate when screen is turned option -->
+    <string name="display_auto_rotate_stay_in_current">Stay in current orientation</string>
+
 </resources>
diff --git a/res/xml/display_settings.xml b/res/xml/display_settings.xml
index cb6bab0fd10..6cfad2d3bfb 100644
--- a/res/xml/display_settings.xml
+++ b/res/xml/display_settings.xml
@@ -72,6 +72,10 @@
                 android:entryValues="@array/entryvalues_font_size"
                 android:dialogTitle="@string/dialog_title_font_size" />
 
+        <com.android.settings.notification.DropDownPreference
+                android:key="auto_rotate"
+                android:title="@string/display_auto_rotate_title" />
+
         <PreferenceScreen
                 android:key="wifi_display"
                 android:title="@string/wifi_display_settings_title"
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index f85b74e9a54..ddd672833be 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -16,6 +16,9 @@
 
 package com.android.settings;
 
+import com.android.internal.view.RotationPolicy;
+import com.android.settings.notification.DropDownPreference;
+import com.android.settings.notification.DropDownPreference.Callback;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 
@@ -26,6 +29,7 @@ import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
 import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
 
+import android.app.Activity;
 import android.app.ActivityManagerNative;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
@@ -65,6 +69,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     private static final String KEY_LIFT_TO_WAKE = "lift_to_wake";
     private static final String KEY_DOZE = "doze";
     private static final String KEY_AUTO_BRIGHTNESS = "auto_brightness";
+    private static final String KEY_AUTO_ROTATE = "auto_rotate";
 
     private static final int DLG_GLOBAL_CHANGE_WARNING = 1;
 
@@ -81,7 +86,8 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        final ContentResolver resolver = getActivity().getContentResolver();
+        final Activity activity = getActivity();
+        final ContentResolver resolver = activity.getContentResolver();
 
         addPreferencesFromResource(R.xml.display_settings);
 
@@ -111,19 +117,59 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
             removePreference(KEY_AUTO_BRIGHTNESS);
         }
 
-        if (isLiftToWakeAvailable(getActivity())) {
+        if (isLiftToWakeAvailable(activity)) {
             mLiftToWakePreference = (SwitchPreference) findPreference(KEY_LIFT_TO_WAKE);
             mLiftToWakePreference.setOnPreferenceChangeListener(this);
         } else {
             removePreference(KEY_LIFT_TO_WAKE);
         }
 
-        if (isDozeAvailable(getActivity())) {
+        if (isDozeAvailable(activity)) {
             mDozePreference = (SwitchPreference) findPreference(KEY_DOZE);
             mDozePreference.setOnPreferenceChangeListener(this);
         } else {
             removePreference(KEY_DOZE);
         }
+
+        if (RotationPolicy.isRotationLockToggleVisible(activity)) {
+            DropDownPreference rotatePreference =
+                    (DropDownPreference) findPreference(KEY_AUTO_ROTATE);
+            rotatePreference.addItem(activity.getString(R.string.display_auto_rotate_rotate),
+                    false);
+            int rotateLockedResourceId;
+            // The following block sets the string used when rotation is locked.
+            // If the device locks specifically to portrait or landscape (rather than current
+            // rotation), then we use a different string to include this information.
+            if (allowAllRotations(activity)) {
+                rotateLockedResourceId = R.string.display_auto_rotate_stay_in_current;
+            } else {
+                if (RotationPolicy.getRotationLockOrientation(activity)
+                        == Configuration.ORIENTATION_PORTRAIT) {
+                    rotateLockedResourceId =
+                            R.string.display_auto_rotate_stay_in_portrait;
+                } else {
+                    rotateLockedResourceId =
+                            R.string.display_auto_rotate_stay_in_landscape;
+                }
+            }
+            rotatePreference.addItem(activity.getString(rotateLockedResourceId), true);
+            rotatePreference.setSelectedItem(RotationPolicy.isRotationLocked(activity) ?
+                    1 : 0);
+            rotatePreference.setCallback(new Callback() {
+                @Override
+                public boolean onItemSelected(int pos, Object value) {
+                    RotationPolicy.setRotationLock(activity, (Boolean) value);
+                    return true;
+                }
+            });
+        } else {
+            removePreference(KEY_AUTO_ROTATE);
+        }
+    }
+
+    private static boolean allowAllRotations(Context context) {
+        return Resources.getSystem().getBoolean(
+                com.android.internal.R.bool.config_allowAllRotations);
     }
 
     private static boolean isLiftToWakeAvailable(Context context) {
@@ -382,6 +428,9 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
                     if (!isDozeAvailable(context)) {
                         result.add(KEY_DOZE);
                     }
+                    if (!RotationPolicy.isRotationLockToggleVisible(context)) {
+                        result.add(KEY_AUTO_ROTATE);
+                    }
                     return result;
                 }
             };