Fix outdated time when turning on screen

Force a synchronous update of the clock view when turning on the
screen. Also wait for the Keyguard window to be drawn when turning
on the screen.

Bug: 16904617
Change-Id: I38f78a38cfe35ccd067cd420d2bad626bd955ad6

3 files changed, 15 insertions, 6 deletions

diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardStatusView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardStatusView.java
index a0fab42..8898f9e 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardStatusView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardStatusView.java
@@ -128,16 +128,19 @@ public class KeyguardStatusView extends GridLayout {
                 getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
     }
 
-    protected void refresh() {
-        AlarmManager.AlarmClockInfo nextAlarm = mLockPatternUtils.getNextAlarm();
-        Patterns.update(mContext, nextAlarm != null);
-
+    public void refreshTime() {
         mDateView.setFormat24Hour(Patterns.dateView);
         mDateView.setFormat12Hour(Patterns.dateView);
 
         mClockView.setFormat12Hour(Patterns.clockView12);
         mClockView.setFormat24Hour(Patterns.clockView24);
+    }
+
+    private void refresh() {
+        AlarmManager.AlarmClockInfo nextAlarm = mLockPatternUtils.getNextAlarm();
+        Patterns.update(mContext, nextAlarm != null);
 
+        refreshTime();
         refreshAlarmStatus(nextAlarm);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 5a94395..91a8b22 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -35,6 +35,7 @@ import android.view.animation.Interpolator;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import com.android.keyguard.KeyguardStatusView;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSPanel;
 import com.android.systemui.statusbar.ExpandableView;
@@ -65,7 +66,7 @@ public class NotificationPanelView extends PanelView implements
     private KeyguardStatusBarView mKeyguardStatusBar;
     private View mQsContainer;
     private QSPanel mQsPanel;
-    private View mKeyguardStatusView;
+    private KeyguardStatusView mKeyguardStatusView;
     private ObservableScrollView mScrollView;
     private TextView mClockView;
     private View mReserveNotificationSpace;
@@ -174,7 +175,7 @@ public class NotificationPanelView extends PanelView implements
         mHeader = (StatusBarHeaderView) findViewById(R.id.header);
         mHeader.setOnClickListener(this);
         mKeyguardStatusBar = (KeyguardStatusBarView) findViewById(R.id.keyguard_header);
-        mKeyguardStatusView = findViewById(R.id.keyguard_status_view);
+        mKeyguardStatusView = (KeyguardStatusView) findViewById(R.id.keyguard_status_view);
         mQsContainer = findViewById(R.id.quick_settings_container);
         mQsPanel = (QSPanel) findViewById(R.id.quick_settings_panel);
         mClockView = (TextView) findViewById(R.id.clock_view);
@@ -1749,4 +1750,8 @@ public class NotificationPanelView extends PanelView implements
             mHeader.updateEverything();
         }
     };
+
+    public void onScreenTurnedOn() {
+        mKeyguardStatusView.refreshTime();
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 3b24bfd..ad775cb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -3817,6 +3817,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
 
     public void onScreenTurnedOn() {
         mStackScroller.setAnimationsEnabled(true);
+        mNotificationPanel.onScreenTurnedOn();
     }
 
     /**