Add next alarm back to AoD

Test: Add alarm, look at AoD.
Test: Change alarm, look at AoD.
Test: Remove all alarms, look at AoD.
Bug: 64155983
Change-Id: I7de982a988a98eec26b034ca23414d60db79f348

packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java

@@ -229,17 +229,6 @@ public class KeyguardStatusView extends GridLayout {
         return mClockView.getTextSize();
     }
 
-    public static String formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info) {
-        if (info == null) {
-            return "";
-        }
-        String skeleton = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser())
-                ? "EHm"
-                : "Ehma";
-        String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
-        return DateFormat.format(pattern, info.getTriggerTime()).toString();
-    }
-
     private void updateOwnerInfo() {
         if (mOwnerInfo == null) return;
         String ownerInfo = getOwnerInfo();

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardSliceProvider.java

@@ -16,17 +16,23 @@
 
 package com.android.systemui.keyguard;
 
+import android.app.ActivityManager;
+import android.app.AlarmManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.graphics.drawable.Icon;
 import android.icu.text.DateFormat;
 import android.icu.text.DisplayContext;
 import android.net.Uri;
 import android.os.Handler;
+import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.systemui.R;
+import com.android.systemui.statusbar.policy.NextAlarmController;
+import com.android.systemui.statusbar.policy.NextAlarmControllerImpl;
 
 import java.util.Date;
 import java.util.Locale;
@@ -39,20 +45,26 @@ import androidx.app.slice.builders.ListBuilder.RowBuilder;
 /**
  * Simple Slice provider that shows the current date.
  */
-public class KeyguardSliceProvider extends SliceProvider {
+public class KeyguardSliceProvider extends SliceProvider implements
+        NextAlarmController.NextAlarmChangeCallback {
 
     public static final String KEYGUARD_SLICE_URI = "content://com.android.systemui.keyguard/main";
     public static final String KEYGUARD_DATE_URI = "content://com.android.systemui.keyguard/date";
+    public static final String KEYGUARD_NEXT_ALARM_URI =
+            "content://com.android.systemui.keyguard/alarm";
 
     private final Date mCurrentTime = new Date();
     protected final Uri mSliceUri;
     protected final Uri mDateUri;
+    protected final Uri mAlarmUri;
     private final Handler mHandler;
     private String mDatePattern;
     private DateFormat mDateFormat;
     private String mLastText;
     private boolean mRegistered;
     private boolean mRegisteredEveryMinute;
+    private String mNextAlarm;
+    private NextAlarmController mNextAlarmController;
 
     /**
      * Receiver responsible for time ticking and updating the date format.
@@ -86,24 +98,42 @@ public class KeyguardSliceProvider extends SliceProvider {
         mHandler = handler;
         mSliceUri = Uri.parse(KEYGUARD_SLICE_URI);
         mDateUri = Uri.parse(KEYGUARD_DATE_URI);
+        mAlarmUri = Uri.parse(KEYGUARD_NEXT_ALARM_URI);
     }
 
-
-
     @Override
     public Slice onBindSlice(Uri sliceUri) {
-        return new ListBuilder(mSliceUri)
-                .addRow(new RowBuilder(mDateUri).setTitle(mLastText)).build();
+        ListBuilder builder = new ListBuilder(mSliceUri)
+                .addRow(new RowBuilder(mDateUri).setTitle(mLastText));
+        if (!TextUtils.isEmpty(mNextAlarm)) {
+            Icon icon = Icon.createWithResource(getContext(), R.drawable.ic_access_alarms_big);
+            builder.addRow(new RowBuilder(mAlarmUri).setTitle(mNextAlarm).addEndItem(icon));
+        }
+
+        return builder.build();
     }
 
     @Override
     public boolean onCreateSliceProvider() {
+        mNextAlarmController = new NextAlarmControllerImpl(getContext());
+        mNextAlarmController.addCallback(this);
         mDatePattern = getContext().getString(R.string.system_ui_date_pattern);
         registerClockUpdate(false /* everyMinute */);
         updateClock();
         return true;
     }
 
+    public static String formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info) {
+        if (info == null) {
+            return "";
+        }
+        String skeleton = android.text.format.DateFormat
+                .is24HourFormat(context, ActivityManager.getCurrentUser()) ? "EHm" : "Ehma";
+        String pattern = android.text.format.DateFormat
+                .getBestDateTimePattern(Locale.getDefault(), skeleton);
+        return android.text.format.DateFormat.format(pattern, info.getTriggerTime()).toString();
+    }
+
     /**
      * Registers a broadcast receiver for clock updates, include date, time zone and manually
      * changing the date/time via the settings app.
@@ -169,4 +199,10 @@ public class KeyguardSliceProvider extends SliceProvider {
     void cleanDateFormat() {
         mDateFormat = null;
     }
+
+    @Override
+    public void onNextAlarmChanged(AlarmManager.AlarmClockInfo nextAlarm) {
+        mNextAlarm = formatNextAlarm(getContext(), nextAlarm);
+        getContext().getContentResolver().notifyChange(mSliceUri, null /* observer */);
+    }
 }

packages/SystemUI/src/com/android/systemui/qs/QSFooterImpl.java

@@ -18,11 +18,6 @@ package com.android.systemui.qs;
 
 import static android.app.StatusBarManager.DISABLE2_QUICK_SETTINGS;
 
-import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_QS_DATE;
-
-import android.app.ActivityManager;
-import android.app.AlarmManager;
-import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
@@ -31,7 +26,6 @@ import android.graphics.PorterDuff.Mode;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.RippleDrawable;
 import android.os.UserManager;
-import android.provider.AlarmClock;
 import android.support.annotation.Nullable;
 import android.support.annotation.VisibleForTesting;
 import android.util.AttributeSet;
@@ -39,24 +33,19 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
-import android.widget.TextView;
 import android.widget.Toast;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto;
-import com.android.keyguard.KeyguardStatusView;
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.settingslib.Utils;
 import com.android.settingslib.drawable.UserIconDrawable;
 import com.android.systemui.Dependency;
-import com.android.systemui.FontSizeUtils;
 import com.android.systemui.R;
 import com.android.systemui.R.dimen;
-import com.android.systemui.R.id;
 import com.android.systemui.SysUiServiceProvider;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.qs.TouchAnimator.Builder;
-import com.android.systemui.qs.TouchAnimator.ListenerAdapter;
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.phone.ExpandableIndicator;
 import com.android.systemui.statusbar.phone.MultiUserSwitch;
@@ -65,8 +54,6 @@ import com.android.systemui.statusbar.policy.DeviceProvisionedController;
 import com.android.systemui.statusbar.policy.NetworkController;
 import com.android.systemui.statusbar.policy.NetworkController.EmergencyListener;
 import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
-import com.android.systemui.statusbar.policy.NextAlarmController;
-import com.android.systemui.statusbar.policy.NextAlarmController.NextAlarmChangeCallback;
 import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.statusbar.policy.UserInfoController.OnUserInfoChangedListener;
 import com.android.systemui.tuner.TunerService;