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Commit c7629942 authored by Heemin Seog's avatar Heemin Seog Committed by Automerger Merge Worker
Browse files

DO NOT MERGE Intercept back button on user switcher screen am: a287650f 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13689637

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iaf68c025d3fab83724ed802fd99826668cf81bf3
parents 0a66a75b a287650f

packages/CarSystemUI/res/layout/car_fullscreen_user_switcher.xml

+17 −24
Original line number Diff line number Diff line
@@ -14,18 +14,12 @@ 
     See the License for the specific language governing permissions and

     limitations under the License.

-->

<FrameLayout

<com.android.systemui.car.userswitcher.UserSwitcherContainer

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/fullscreen_user_switcher"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@color/car_user_switcher_background_color">



    <LinearLayout

    android:id="@+id/container"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

        android:layout_alignParentTop="true"

    android:background="@color/car_user_switcher_background_color"

    android:orientation="vertical">



    <include
@@ -45,5 +39,4 @@ 
            android:layout_marginTop="@dimen/car_user_switcher_margin_top"/>

    </FrameLayout>



    </LinearLayout>

</FrameLayout>
 
</com.android.systemui.car.userswitcher.UserSwitcherContainer>

packages/CarSystemUI/src/com/android/systemui/car/userswitcher/FullScreenUserSwitcherViewController.java

+15 −1
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ import android.car.Car; 
import android.car.user.CarUserManager;

import android.content.Context;

import android.content.res.Resources;

import android.view.KeyEvent;

import android.view.View;



import androidx.recyclerview.widget.GridLayoutManager;
@@ -67,6 +68,19 @@ public class FullScreenUserSwitcherViewController extends OverlayViewController 


    @Override

    protected void onFinishInflate() {

        // Intercept back button.

        UserSwitcherContainer container = getLayout().findViewById(R.id.container);

        container.setKeyEventHandler(event -> {

            if (event.getKeyCode() != KeyEvent.KEYCODE_BACK) {

                return false;

            }



            if (event.getAction() == KeyEvent.ACTION_UP && getLayout().isVisibleToUser()) {

                getLayout().setVisibility(View.GONE);

            }

            return true;

        });



        // Initialize user grid.

        mUserGridView = getLayout().findViewById(R.id.user_grid);

        GridLayoutManager layoutManager = new GridLayoutManager(mContext,
@@ -79,7 +93,7 @@ public class FullScreenUserSwitcherViewController extends OverlayViewController 


    @Override

    protected boolean shouldFocusWindow() {

        return false;

        return true;

    }



    @Override

packages/CarSystemUI/src/com/android/systemui/car/userswitcher/UserSwitcherContainer.java

0 → 100644
+73 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2021 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.car.userswitcher;



import android.content.Context;

import android.util.AttributeSet;

import android.view.KeyEvent;

import android.widget.LinearLayout;



import androidx.annotation.NonNull;

import androidx.annotation.Nullable;



/** Container for the user switcher which intercepts the key events. */

public class UserSwitcherContainer extends LinearLayout {



    private KeyEventHandler mKeyEventHandler;



    public UserSwitcherContainer(@NonNull Context context) {

        super(context);

    }



    public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs) {

        super(context, attrs);

    }



    public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs,

            int defStyleAttr) {

        super(context, attrs, defStyleAttr);

    }



    public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs,

            int defStyleAttr, int defStyleRes) {

        super(context, attrs, defStyleAttr, defStyleRes);

    }



    @Override

    public boolean dispatchKeyEvent(KeyEvent event) {

        if (super.dispatchKeyEvent(event)) {

            return true;

        }



        if (mKeyEventHandler != null) {

            return mKeyEventHandler.dispatchKeyEvent(event);

        }



        return false;

    }



    /** Sets a {@link KeyEventHandler} to help interact with the notification panel. */

    public void setKeyEventHandler(KeyEventHandler keyEventHandler) {

        mKeyEventHandler = keyEventHandler;

    }



    /** An interface to help interact with the notification panel. */

    public interface KeyEventHandler {

        /** Allows handling of a {@link KeyEvent} if it wasn't already handled by the superclass. */

        boolean dispatchKeyEvent(KeyEvent event);

    }

}