Settings: Hide downtime settings if not supported.

Depends on frameworks/base:
  I4f801018ddb0beb6eb9fa03a81c79f7949888a3f

Bug: 16373455

Change-Id: I88b526d947fb697a7abd4d4cf4225f926434915a

src/com/android/settings/notification/ZenModeSettings.java

@@ -23,6 +23,7 @@ import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.FragmentManager;
 import android.app.INotificationManager;
+import android.app.NotificationManager;
 import android.app.TimePickerDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -131,6 +132,7 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
     private SwitchPreference mMessages;
     private DropDownPreference mStarred;
     private SwitchPreference mEvents;
+    private boolean mDowntimeSupported;
     private Preference mDays;
     private TimePickerPreference mStart;
     private TimePickerPreference mEnd;
@@ -227,7 +229,10 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
         });
 
         final PreferenceCategory downtime = (PreferenceCategory) root.findPreference(KEY_DOWNTIME);
-
+        mDowntimeSupported = isDowntimeSupported(mContext);
+        if (!mDowntimeSupported) {
+            removePreference(KEY_DOWNTIME);
+        } else {
             mDays = downtime.findPreference(KEY_DAYS);
             mDays.setOnPreferenceClickListener(new OnPreferenceClickListener() {
                 @Override
@@ -320,6 +325,7 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
             });
             mDowntimeMode.setOrder(10);  // sort at the bottom of the category
             mDowntimeMode.setDependency(mDays.getKey());
+        }
 
         mAutomationCategory = (PreferenceCategory) findPreference(KEY_AUTOMATION);
         mEntry = findPreference(KEY_ENTRY);
@@ -376,6 +382,7 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
     }
 
     private void updateEndSummary() {
+        if (!mDowntimeSupported) return;
         final int startMin = 60 * mConfig.sleepStartHour + mConfig.sleepStartMinute;
         final int endMin = 60 * mConfig.sleepEndHour + mConfig.sleepEndMinute;
         final boolean nextDay = startMin >= endMin;
@@ -399,10 +406,12 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
         mStarred.setSelectedValue(mConfig.allowFrom);
         mEvents.setChecked(mConfig.allowEvents);
         updateStarredEnabled();
+        if (mDowntimeSupported) {
             updateDays();
             mStart.setTime(mConfig.sleepStartHour, mConfig.sleepStartMinute);
             mEnd.setTime(mConfig.sleepEndHour, mConfig.sleepEndMinute);
             mDowntimeMode.setSelectedValue(mConfig.sleepNone);
+        }
         mDisableListeners = false;
         refreshAutomationSection();
         updateEndSummary();
@@ -552,9 +561,15 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
         mDialog = null;
     }
 
+    private static boolean isDowntimeSupported(Context context) {
+        return NotificationManager.from(context)
+                .isSystemConditionProviderEnabled(ZenModeConfig.DOWNTIME_PATH);
+    }
+
     // Enable indexing of searchable data
     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
         new BaseSearchIndexProvider() {
+
             @Override
             public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
                 final SparseArray<String> keyTitles = allKeyTitles(context);
@@ -570,6 +585,19 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
                 }
                 return result;
             }
+
+            @Override
+            public List<String> getNonIndexableKeys(Context context) {
+                final ArrayList<String> rt = new ArrayList<String>();
+                if (!isDowntimeSupported(context)) {
+                    rt.add(KEY_DOWNTIME);
+                    rt.add(KEY_DAYS);
+                    rt.add(KEY_START_TIME);
+                    rt.add(KEY_END_TIME);
+                    rt.add(KEY_DOWNTIME_MODE);
+                }
+                return rt;
+            }
         };
 
     private static class SettingPrefWithCallback extends SettingPref {