Bugfix: Remove widgets and deep shortcuts of app which gets archived.

* Once app is archived, remove widgets and deep shortcuts corresponding to the app from the home screen.
* However during backup & restore, widgets should not be removed if they are being restored.

Test: verified bugfix locally.
Bug: 326567866
Flag: ACONFIG com.android.launcher3.enable_support_for_archiving DEVELOPMENT
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:bef2930f5a29655f6c403f2d5eefd4e99a733b04)
Merged-In: Ib3a112aadc7bd901fd6a0ba86f472ec6acf8d626
Change-Id: Ib3a112aadc7bd901fd6a0ba86f472ec6acf8d626
diff --git a/src/com/android/launcher3/model/ShortcutsChangedTask.java b/src/com/android/launcher3/model/ShortcutsChangedTask.java
index a6a04a7..59dd1b1 100644
--- a/src/com/android/launcher3/model/ShortcutsChangedTask.java
+++ b/src/com/android/launcher3/model/ShortcutsChangedTask.java
@@ -78,10 +78,12 @@
 
         if (!matchingWorkspaceItems.isEmpty()) {
             if (mShortcuts.isEmpty()) {
+                PackageManagerHelper packageManagerHelper = new PackageManagerHelper(
+                        app.getContext());
                 // Verify that the app is indeed installed.
-                if (!new PackageManagerHelper(app.getContext())
-                        .isAppInstalled(mPackageName, mUser)) {
-                    // App is not installed, ignoring package events
+                if (!packageManagerHelper.isAppInstalled(mPackageName, mUser)
+                        && !packageManagerHelper.isAppArchivedForUser(mPackageName, mUser)) {
+                    // App is not installed or archived, ignoring package events
                     return;
                 }
             }
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 11d8e97..606918e 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -105,6 +105,21 @@
     }
 
     /**
+     * Returns whether the target app is archived for a given user
+     */
+    public boolean isAppArchivedForUser(@NonNull final String packageName,
+            @NonNull final UserHandle user) {
+        if (!Utilities.enableSupportForArchiving()) {
+            return false;
+        }
+        final ApplicationInfo info = getApplicationInfo(
+                // LauncherApps does not support long flags currently. Since archived apps are
+                // subset of uninstalled apps, this filter also includes archived apps.
+                packageName, user, PackageManager.MATCH_UNINSTALLED_PACKAGES);
+        return info != null && info.isArchived;
+    }
+
+    /**
      * Returns whether the target app is in archived state
      */
     @SuppressWarnings("NewApi")
@@ -172,7 +187,7 @@
     public void startDetailsActivityForInfo(ItemInfo info, Rect sourceBounds, Bundle opts) {
         if (info instanceof ItemInfoWithIcon
                 && (((ItemInfoWithIcon) info).runtimeStatusFlags
-                    & ItemInfoWithIcon.FLAG_INSTALL_SESSION_ACTIVE) != 0) {
+                & ItemInfoWithIcon.FLAG_INSTALL_SESSION_ACTIVE) != 0) {
             ItemInfoWithIcon appInfo = (ItemInfoWithIcon) info;
             mContext.startActivity(ApiWrapper.getAppMarketActivityIntent(mContext,
                     appInfo.getTargetComponent().getPackageName(), Process.myUserHandle()));
@@ -251,6 +266,7 @@
 
     /**
      * Returns true if Launcher has the permission to access shortcuts.
+     *
      * @see LauncherApps#hasShortcutHostPermission()
      */
     public static boolean hasShortcutsPermission(Context context) {