Removing multiple system RPCs to packageMAnager and userManager from UI thread

Bug: 158427348
Change-Id: Ibb1837fe932000b69cf5683bb01727fc32abca91

src/com/android/launcher3/model/UserManagerState.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.model;
+
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.util.LongSparseArray;
+import android.util.SparseBooleanArray;
+
+import com.android.launcher3.pm.UserCache;
+
+/**
+ * Utility class to manager store and user manager state at any particular time
+ */
+public class UserManagerState {
+
+    public final LongSparseArray<UserHandle> allUsers = new LongSparseArray<>();
+
+    private final LongSparseArray<Boolean> mQuietUsersSerialNoMap = new LongSparseArray<>();
+    private final SparseBooleanArray mQuietUsersHashCodeMap = new SparseBooleanArray();
+
+    /**
+     * Initialises the state values for all users
+     */
+    public void init(UserCache userCache, UserManager userManager) {
+        for (UserHandle user : userCache.getUserProfiles()) {
+            long serialNo = userCache.getSerialNumberForUser(user);
+            boolean isUserQuiet = userManager.isQuietModeEnabled(user);
+            allUsers.put(serialNo, user);
+            mQuietUsersHashCodeMap.put(user.hashCode(), isUserQuiet);
+            mQuietUsersSerialNoMap.put(serialNo, isUserQuiet);
+        }
+    }
+
+    /**
+     * Returns true if quiet mode is enabled for the provided user
+     */
+    public boolean isUserQuiet(long serialNo) {
+        return mQuietUsersSerialNoMap.get(serialNo);
+    }
+
+    /**
+     * Returns true if quiet mode is enabled for the provided user
+     */
+    public boolean isUserQuiet(UserHandle user) {
+        return mQuietUsersHashCodeMap.get(user.hashCode());
+    }
+
+    /**
+     * Returns true if any user profile has quiet mode enabled.
+     */
+    public boolean isAnyProfileQuietModeEnabled() {
+        for (int i = mQuietUsersHashCodeMap.size() - 1; i >= 0; i--) {
+            if (mQuietUsersHashCodeMap.valueAt(i)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}