Merge "Add function to AppWidgetService for updating widget visibility" into tm-qpr-dev am: d776e8d5b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20003665

Change-Id: Iea5183e4816b06d3ada1098966014423b322fec8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

core/java/android/appwidget/AppWidgetHost.java

@@ -328,6 +328,22 @@ public class AppWidgetHost {
         }
     }
 
+    /**
+     * Set the visibiity of all widgets associated with this host to hidden
+     *
+     * @hide
+     */
+    public void setAppWidgetHidden() {
+        if (sService == null) {
+            return;
+        }
+        try {
+            sService.setAppWidgetHidden(mContextOpPackageName, mHostId);
+        } catch (RemoteException e) {
+            throw new RuntimeException("System server dead?", e);
+        }
+    }
+
     /**
      * Set the host's interaction handler.
      *

core/java/com/android/internal/appwidget/IAppWidgetService.aidl

@@ -45,6 +45,7 @@ interface IAppWidgetService {
     @UnsupportedAppUsage(maxTargetSdk = 30, trackingBug = 170729553)
     RemoteViews getAppWidgetViews(String callingPackage, int appWidgetId);
     int[] getAppWidgetIdsForHost(String callingPackage, int hostId);
+    void setAppWidgetHidden(in String callingPackage, int hostId);
     IntentSender createAppWidgetConfigIntentSender(String callingPackage, int appWidgetId,
             int intentFlags);
 

services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java

@@ -865,6 +865,33 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
         }
     }
 
+    @Override
+    public void setAppWidgetHidden(String callingPackage, int hostId) {
+        final int userId = UserHandle.getCallingUserId();
+
+        if (DEBUG) {
+            Slog.i(TAG, "setAppWidgetHidden() " + userId);
+        }
+
+        mSecurityPolicy.enforceCallFromPackage(callingPackage);
+
+        synchronized (mLock) {
+            ensureGroupStateLoadedLocked(userId, /* enforceUserUnlockingOrUnlocked */false);
+
+            HostId id = new HostId(Binder.getCallingUid(), hostId, callingPackage);
+            Host host = lookupHostLocked(id);
+
+            if (host != null) {
+                try {
+                    mAppOpsManagerInternal.updateAppWidgetVisibility(host.getWidgetUids(), false);
+                } catch (NullPointerException e) {
+                    Slog.e(TAG, "setAppWidgetHidden(): Getting host uids: " + host.toString(), e);
+                    throw e;
+                }
+            }
+        }
+    }
+
     @Override
     public void deleteAppWidgetId(String callingPackage, int appWidgetId) {
         final int userId = UserHandle.getCallingUserId();