Removing all compatibility code below Lollipop

Bug: 32745285
Change-Id: I62971908e3e4402941fab627bbdfd47be64473a3

1 files changed, 45 insertions, 5 deletions

diff --git a/src/com/android/launcher3/compat/UserManagerCompatVL.java b/src/com/android/launcher3/compat/UserManagerCompatVL.java
index 277460281..45525f521 100644
--- a/src/com/android/launcher3/compat/UserManagerCompatVL.java
+++ b/src/com/android/launcher3/compat/UserManagerCompatVL.java
@@ -16,12 +16,11 @@
 
 package com.android.launcher3.compat;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.os.UserHandle;
+import android.os.UserManager;
 
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.LongArrayMap;
@@ -31,20 +30,61 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 
-@TargetApi(Build.VERSION_CODES.LOLLIPOP)
-public class UserManagerCompatVL extends UserManagerCompatV17 {
+public class UserManagerCompatVL extends UserManagerCompat {
     private static final String USER_CREATION_TIME_KEY = "user_creation_time_";
 
+    protected final UserManager mUserManager;
     private final PackageManager mPm;
     private final Context mContext;
 
+    protected LongArrayMap<UserHandle> mUsers;
+    // Create a separate reverse map as LongArrayMap.indexOfValue checks if objects are same
+    // and not {@link Object#equals}
+    protected HashMap<UserHandle, Long> mUserToSerialMap;
+
     UserManagerCompatVL(Context context) {
-        super(context);
+        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
         mPm = context.getPackageManager();
         mContext = context;
     }
 
     @Override
+    public long getSerialNumberForUser(UserHandle user) {
+        synchronized (this) {
+            if (mUserToSerialMap != null) {
+                Long serial = mUserToSerialMap.get(user);
+                return serial == null ? 0 : serial;
+            }
+        }
+        return mUserManager.getSerialNumberForUser(user);
+    }
+
+    @Override
+    public UserHandle getUserForSerialNumber(long serialNumber) {
+        synchronized (this) {
+            if (mUsers != null) {
+                return mUsers.get(serialNumber);
+            }
+        }
+        return mUserManager.getUserForSerialNumber(serialNumber);
+    }
+
+    @Override
+    public boolean isQuietModeEnabled(UserHandle user) {
+        return false;
+    }
+
+    @Override
+    public boolean isUserUnlocked(UserHandle user) {
+        return true;
+    }
+
+    @Override
+    public boolean isDemoUser() {
+        return false;
+    }
+
+    @Override
     public void enableAndResetCache() {
         synchronized (this) {
             mUsers = new LongArrayMap<>();