From 50c17897434720b4fbb2dae894cac91a305004c2 Mon Sep 17 00:00:00 2001
From: Amin Shaikh <ashaikh@google.com>
Date: Wed, 21 Mar 2018 18:15:22 -0400
Subject: [PATCH] Hide user switcher from QS on phones.

Devices < 600dp wide are considered phones. Continue to show the user
switcher in the footer if the user has more than one user set up.

Change-Id: Ie0e0d12046a8d809340465dafb4a4b16a7ffd34a
Fixes: 74198896
Test: visual
---
 .../SystemUI/res/values-sw600dp/bools.xml     | 21 +++++++++++++
 packages/SystemUI/res/values/bools.xml        | 21 +++++++++++++
 .../com/android/systemui/qs/QSFooterImpl.java | 30 ++++++++++++++-----
 3 files changed, 64 insertions(+), 8 deletions(-)
 create mode 100644 packages/SystemUI/res/values-sw600dp/bools.xml
 create mode 100644 packages/SystemUI/res/values/bools.xml

diff --git a/packages/SystemUI/res/values-sw600dp/bools.xml b/packages/SystemUI/res/values-sw600dp/bools.xml
new file mode 100644
index 0000000000000..05e38bdb83893
--- /dev/null
+++ b/packages/SystemUI/res/values-sw600dp/bools.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ * 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.
+*/
+-->
+<resources>
+    <!-- Whether to show the user switcher in quick settings when only a single user is present. -->
+    <bool name="qs_show_user_switcher_for_single_user">true</bool>
+</resources>
diff --git a/packages/SystemUI/res/values/bools.xml b/packages/SystemUI/res/values/bools.xml
new file mode 100644
index 0000000000000..499e24e6ecbd2
--- /dev/null
+++ b/packages/SystemUI/res/values/bools.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ * 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.
+*/
+-->
+<resources>
+    <!-- Whether to show the user switcher in quick settings when only a single user is present. -->
+    <bool name="qs_show_user_switcher_for_single_user">false</bool>
+</resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFooterImpl.java b/packages/SystemUI/src/com/android/systemui/qs/QSFooterImpl.java
index dbf17455bc9eb..0fa659748f5d6 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFooterImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFooterImpl.java
@@ -20,6 +20,7 @@ import static android.app.StatusBarManager.DISABLE2_QUICK_SETTINGS;
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.UserInfo;
 import android.content.res.ColorStateList;
 import android.content.res.Configuration;
 import android.graphics.PorterDuff.Mode;
@@ -49,7 +50,6 @@ import com.android.systemui.R.dimen;
 import com.android.systemui.SysUiServiceProvider;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.qs.TouchAnimator.Builder;
-import com.android.systemui.qs.tileimpl.QSTileImpl;
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.phone.MultiUserSwitch;
 import com.android.systemui.statusbar.phone.SettingsButton;
@@ -257,17 +257,31 @@ public class QSFooterImpl extends FrameLayout implements QSFooter,
         mSettingsContainer.setVisibility(mQsDisabled ? View.GONE : View.VISIBLE);
         mSettingsContainer.findViewById(R.id.tuner_icon).setVisibility(
                 TunerService.isTunerEnabled(mContext) ? View.VISIBLE : View.INVISIBLE);
-
         final boolean isDemo = UserManager.isDeviceInDemoMode(mContext);
-
-
-        mMultiUserSwitch.setVisibility(mExpanded
-                && UserManager.get(mContext).isUserSwitcherEnabled()
-                ? View.VISIBLE : View.INVISIBLE);
-
+        mMultiUserSwitch.setVisibility(showUserSwitcher(isDemo) ? View.VISIBLE : View.INVISIBLE);
         mEdit.setVisibility(isDemo || !mExpanded ? View.INVISIBLE : View.VISIBLE);
     }
 
+    private boolean showUserSwitcher(boolean isDemo) {
+        if (!mExpanded || isDemo || !UserManager.supportsMultipleUsers()) {
+            return false;
+        }
+        UserManager userManager = UserManager.get(mContext);
+        if (userManager.hasUserRestriction(UserManager.DISALLOW_USER_SWITCH)) {
+            return false;
+        }
+        int switchableUserCount = 0;
+        for (UserInfo user : userManager.getUsers(true)) {
+            if (user.supportsSwitchToByUser()) {
+                ++switchableUserCount;
+                if (switchableUserCount > 1) {
+                    return true;
+                }
+            }
+        }
+        return getResources().getBoolean(R.bool.qs_show_user_switcher_for_single_user);
+    }
+
     private void updateListeners() {
         if (mListening) {
             mUserInfoController.addCallback(this);