1/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.quickstep.fallback;
17
18import android.content.Context;
19import android.graphics.Canvas;
20import android.graphics.Rect;
21import android.util.AttributeSet;
22import android.view.View;
23
24import com.android.launcher3.DeviceProfile;
25import com.android.quickstep.RecentsActivity;
26import com.android.quickstep.util.LayoutUtils;
27import com.android.quickstep.views.RecentsView;
28
29public class FallbackRecentsView extends RecentsView<RecentsActivity> {
30
31    public FallbackRecentsView(Context context, AttributeSet attrs) {
32        this(context, attrs, 0);
33    }
34
35    public FallbackRecentsView(Context context, AttributeSet attrs, int defStyleAttr) {
36        super(context, attrs, defStyleAttr);
37        setOverviewStateEnabled(true);
38        getQuickScrubController().onFinishedTransitionToQuickScrub();
39    }
40
41    @Override
42    protected void onAllTasksRemoved() {
43        mActivity.startHome();
44    }
45
46    @Override
47    public void onViewAdded(View child) {
48        super.onViewAdded(child);
49        updateEmptyMessage();
50    }
51
52    @Override
53    public void onViewRemoved(View child) {
54        super.onViewRemoved(child);
55        updateEmptyMessage();
56    }
57
58    @Override
59    public void draw(Canvas canvas) {
60        maybeDrawEmptyMessage(canvas);
61        super.draw(canvas);
62    }
63
64    @Override
65    protected void getTaskSize(DeviceProfile dp, Rect outRect) {
66        LayoutUtils.calculateFallbackTaskSize(getContext(), dp, outRect);
67    }
68
69    @Override
70    public boolean shouldUseMultiWindowTaskSizeStrategy() {
71        // Just use the activity task size for multi-window as well.
72        return false;
73    }
74}
75