Merge "Add a temporary user switcher to quick settings" into master-lockscreen-dev
diff --git a/packages/SystemUI/res/layout/user_switcher_host.xml b/packages/SystemUI/res/layout/user_switcher_host.xml
new file mode 100644
index 0000000..bc56cf6
--- /dev/null
+++ b/packages/SystemUI/res/layout/user_switcher_host.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (C) 2014 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
+  -->
+
+<!-- FrameLayout -->
+<com.android.systemui.settings.UserSwitcherHostView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#dd000000">
+    <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@*android:dimen/volume_panel_top"
+            android:background="@*android:drawable/dialog_full_holo_dark">
+        <ListView android:id="@android:id/list"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                tools:listitem="@layout/user_switcher_item"/>
+    </FrameLayout>
+</com.android.systemui.settings.UserSwitcherHostView>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/user_switcher_item.xml b/packages/SystemUI/res/layout/user_switcher_item.xml
new file mode 100644
index 0000000..43a85e7
--- /dev/null
+++ b/packages/SystemUI/res/layout/user_switcher_item.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2014 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
+  -->
+
+<LinearLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="64dp"
+        android:orientation="horizontal"
+        tools:context=".settings.UserSwitcherDialog">
+    <ImageView
+            android:layout_width="64dp"
+            android:layout_height="match_parent"
+            android:id="@+id/user_picture"
+            tools:src="@drawable/dessert_zombiegingerbread"/>
+    <TextView
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:id="@+id/user_name"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:padding="8dp"
+            android:gravity="center_vertical"
+            tools:text="Hiroshi Lockheimer"
+            />
+</LinearLayout>
diff --git a/packages/SystemUI/src/com/android/systemui/settings/UserSwitcherHostView.java b/packages/SystemUI/src/com/android/systemui/settings/UserSwitcherHostView.java
new file mode 100644
index 0000000..87ebcc1
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/settings/UserSwitcherHostView.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2014 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.systemui.settings;
+
+import com.android.systemui.R;
+
+import android.app.ActivityManagerNative;
+import android.content.Context;
+import android.content.pm.UserInfo;
+import android.os.RemoteException;
+import android.os.UserManager;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManagerGlobal;
+import android.widget.AdapterView;
+import android.widget.BaseAdapter;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+/**
+ * A quick and dirty view to show a user switcher.
+ */
+public class UserSwitcherHostView extends FrameLayout implements ListView.OnItemClickListener {
+
+    private static final String TAG = "UserSwitcherDialog";
+
+    private ArrayList<UserInfo> mUserInfo = new ArrayList<UserInfo>();
+    private Adapter mAdapter = new Adapter();
+    private UserManager mUserManager;
+    private Runnable mFinishRunnable;
+    private ListView mListView;
+
+    public UserSwitcherHostView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+
+        if (isInEditMode()) {
+            return;
+        }
+        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+    }
+
+    public UserSwitcherHostView(Context context, AttributeSet attrs) {
+        this(context, attrs, com.android.internal.R.attr.listViewStyle);
+    }
+
+    public UserSwitcherHostView(Context context) {
+        this(context, null);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mListView = (ListView) findViewById(android.R.id.list);
+        mListView.setAdapter(mAdapter);
+        mListView.setOnItemClickListener(this);
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> l, View v, int position, long id) {
+        int userId = mAdapter.getItem(position).id;
+        try {
+            WindowManagerGlobal.getWindowManagerService().lockNow(null);
+            ActivityManagerNative.getDefault().switchUser(userId);
+            finish();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Couldn't switch user.", e);
+        }
+    }
+
+    private void finish() {
+        if (mFinishRunnable != null) {
+            mFinishRunnable.run();
+        }
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        if (event.getAction() == MotionEvent.ACTION_UP) {
+            finish();
+        }
+        return true;
+    }
+
+    @Override
+    protected void onVisibilityChanged(View changedView, int visibility) {
+        super.onVisibilityChanged(changedView, visibility);
+        // A gross hack to get rid of the switcher when the shade is collapsed.
+        if (visibility != VISIBLE) {
+            finish();
+        }
+    }
+
+    public void setFinishRunnable(Runnable finishRunnable) {
+        mFinishRunnable = finishRunnable;
+    }
+
+    public void refreshUsers() {
+        mUserInfo.clear();
+        mUserInfo.addAll(mUserManager.getUsers(true));
+        mAdapter.notifyDataSetChanged();
+    }
+
+    private class Adapter extends BaseAdapter {
+
+        @Override
+        public int getCount() {
+            return mUserInfo.size();
+        }
+
+        @Override
+        public UserInfo getItem(int position) {
+            return mUserInfo.get(position);
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return getItem(position).serialNumber;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            if (convertView == null || (!(convertView.getTag() instanceof ViewHolder))) {
+                convertView = createView(parent);
+            }
+            ViewHolder h = (ViewHolder) convertView.getTag();
+            bindView(h, getItem(position));
+            return convertView;
+        }
+
+        private View createView(ViewGroup parent) {
+            View v = LayoutInflater.from(getContext()).inflate(
+                    R.layout.user_switcher_item, parent, false);
+            ViewHolder h = new ViewHolder();
+            h.name = (TextView) v.findViewById(R.id.user_name);
+            h.picture = (ImageView) v.findViewById(R.id.user_picture);
+            v.setTag(h);
+            return v;
+        }
+
+        private void bindView(ViewHolder h, UserInfo item) {
+            h.name.setText(item.name);
+            h.picture.setImageBitmap(mUserManager.getUserIcon(item.id));
+        }
+
+        class ViewHolder {
+            TextView name;
+            ImageView picture;
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 9ea9c09..62f75b5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -2825,4 +2825,19 @@
         mExpandedVisible = true;
         mNotificationPanel.setExpandedFraction(1);
     }
+
+    /**
+     * @return a ViewGroup that spans the entire panel which contains the quick settings
+     */
+    public ViewGroup getQuickSettingsOverlayParent() {
+        if (mHasSettingsPanel) {
+            if (mHasFlipSettings) {
+                return mNotificationPanel;
+            } else {
+                return mSettingsPanel;
+            }
+        } else {
+            return null;
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
index d67f7cd..b3fba76 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
@@ -71,6 +71,7 @@
 
 import com.android.internal.app.MediaRouteDialogPresenter;
 import com.android.systemui.R;
+import com.android.systemui.settings.UserSwitcherHostView;
 import com.android.systemui.statusbar.phone.QuickSettingsModel.ActivityState;
 import com.android.systemui.statusbar.phone.QuickSettingsModel.BluetoothState;
 import com.android.systemui.statusbar.phone.QuickSettingsModel.RSSIState;
@@ -310,30 +311,28 @@
         collapsePanels();
     }
 
-    private void addUserTiles(ViewGroup parent, LayoutInflater inflater) {
+    private void addUserTiles(final ViewGroup parent, final LayoutInflater inflater) {
         QuickSettingsTileView userTile = (QuickSettingsTileView)
                 inflater.inflate(R.layout.quick_settings_tile, parent, false);
         userTile.setContent(R.layout.quick_settings_tile_user, inflater);
         userTile.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                collapsePanels();
                 final UserManager um = UserManager.get(mContext);
                 if (um.isUserSwitcherEnabled()) {
-                    // Since keyguard and systemui were merged into the same process to save
-                    // memory, they share the same Looper and graphics context.  As a result,
-                    // there's no way to allow concurrent animation while keyguard inflates.
-                    // The workaround is to add a slight delay to allow the animation to finish.
-                    mHandler.postDelayed(new Runnable() {
+                    final ViewGroup switcherParent = getService().getQuickSettingsOverlayParent();
+                    final UserSwitcherHostView switcher = (UserSwitcherHostView) inflater.inflate(
+                            R.layout.user_switcher_host, switcherParent, false);
+                    switcher.setFinishRunnable(new Runnable() {
+                        @Override
                         public void run() {
-                            try {
-                                WindowManagerGlobal.getWindowManagerService().lockNow(null);
-                            } catch (RemoteException e) {
-                                Log.e(TAG, "Couldn't show user switcher", e);
-                            }
+                            switcherParent.removeView(switcher);
                         }
-                    }, 400); // TODO: ideally this would be tied to the collapse of the panel
+                    });
+                    switcher.refreshUsers();
+                    switcherParent.addView(switcher);
                 } else {
+                    collapsePanels();
                     Intent intent = ContactsContract.QuickContact.composeQuickContactsIntent(
                             mContext, v, ContactsContract.Profile.CONTENT_URI,
                             ContactsContract.QuickContact.MODE_LARGE, null);