Honor Settings.Global.LOCK_SCREEN_SHOW_NOTIFICATIONS.

Hide notifications on the lockscreen if the setting = 0.

Bug:15104826
Change-Id: I394f10a9958a3ee4d03198f21eb09b778e00903e
(cherry picked from commit ac639f28502a7e8a6c52a6585810c8d94e0e5388)

2 files changed, 20 insertions, 0 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index fbe76f9..21b41c7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -182,6 +182,7 @@ public abstract class BaseStatusBar extends SystemUI implements
      */
     protected int mState;
     protected boolean mBouncerShowing;
+    protected boolean mShowLockscreenNotifications;
 
     protected NotificationOverflowContainer mKeyguardIconOverflowContainer;
 
@@ -201,6 +202,9 @@ public abstract class BaseStatusBar extends SystemUI implements
             final int mode = Settings.Global.getInt(mContext.getContentResolver(),
                     Settings.Global.ZEN_MODE, Settings.Global.ZEN_MODE_OFF);
             setZenMode(mode);
+            final boolean show = Settings.Global.getInt(mContext.getContentResolver(),
+                    Settings.Global.LOCK_SCREEN_SHOW_NOTIFICATIONS, 1) != 0;
+            setShowLockscreenNotifications(show);
         }
     };
 
@@ -362,6 +366,9 @@ public abstract class BaseStatusBar extends SystemUI implements
         mContext.getContentResolver().registerContentObserver(
                 Settings.Global.getUriFor(Settings.Global.ZEN_MODE), false,
                 mSettingsObserver);
+        mContext.getContentResolver().registerContentObserver(
+                Settings.Global.getUriFor(Settings.Global.LOCK_SCREEN_SHOW_NOTIFICATIONS), false,
+                mSettingsObserver);
 
         mContext.getContentResolver().registerContentObserver(
                 Settings.Secure.getUriFor(Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS),
@@ -1247,6 +1254,10 @@ public abstract class BaseStatusBar extends SystemUI implements
         updateNotifications();
     }
 
+    protected void setShowLockscreenNotifications(boolean show) {
+        mShowLockscreenNotifications = show;
+    }
+
     protected abstract void haltTicker();
     protected abstract void setAreThereNotifications();
     protected abstract void updateNotifications();
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 5dcd61c..0e5b7e1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -505,6 +505,12 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
     }
 
     @Override
+    protected void setShowLockscreenNotifications(boolean show) {
+        super.setShowLockscreenNotifications(show);
+        updateStackScrollerState();
+    }
+
+    @Override
     public void start() {
         mDisplay = ((WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE))
                 .getDefaultDisplay();
@@ -2851,7 +2857,10 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
     }
 
     public void updateStackScrollerState() {
+        if (mStackScroller == null) return;
         mStackScroller.setDimmed(mState == StatusBarState.KEYGUARD, false /* animate */);
+        mStackScroller.setVisibility(!mShowLockscreenNotifications && mState == StatusBarState.KEYGUARD
+                ? View.INVISIBLE : View.VISIBLE);
     }
 
     public void userActivity() {