1 /*
2  * Copyright (C) 2023 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  */
16 
17 package com.android.car.portraitlauncher.panel;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.View;
22 import android.widget.ImageView;
23 import android.widget.RelativeLayout;
24 import android.widget.TextView;
25 
26 import com.android.car.portraitlauncher.R;
27 
28 /** The toolbar shows on top of a TaskViewPanel */
29 public class ToolBarView extends RelativeLayout {
30 
31     private static final String TAG = ToolBarView.class.getSimpleName();
32 
33     private TextView mClock;
34     private ImageView mBackButton;
35     private Callback mCallback;
36 
ToolBarView(Context context)37     public ToolBarView(Context context) {
38         this(context, null);
39     }
40 
ToolBarView(Context context, AttributeSet attrs)41     public ToolBarView(Context context, AttributeSet attrs) {
42         this(context, attrs, /* defStyleAttr= */ 0);
43     }
44 
ToolBarView(Context context, AttributeSet attrs, int defStyleAttr)45     public ToolBarView(Context context, AttributeSet attrs, int defStyleAttr) {
46         this(context, attrs, defStyleAttr, /* defStyleRes= */ 0);
47     }
48 
ToolBarView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)49     public ToolBarView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
50         super(context, attrs, defStyleAttr, defStyleRes);
51     }
52 
53     @Override
onFinishInflate()54     protected void onFinishInflate() {
55         super.onFinishInflate();
56         mBackButton = findViewById(R.id.back_button);
57         mClock = findViewById(R.id.clock);
58     }
59 
registerToolbarCallback(Callback callback)60     void registerToolbarCallback(Callback callback) {
61         mCallback = callback;
62         mBackButton.setOnClickListener(v -> mCallback.onClick());
63     }
64 
65     /**
66      * Show/hide toolbar content with animation.
67      */
updateToolBarContentVisibility(boolean isVisible)68     public void updateToolBarContentVisibility(boolean isVisible) {
69         updateViewVisibilityWithAnimation(isVisible, mClock);
70         updateViewVisibilityWithAnimation(isVisible, mBackButton);
71     }
72 
updateViewVisibilityWithAnimation(boolean isVisible, View view)73     private void updateViewVisibilityWithAnimation(boolean isVisible, View view) {
74         if (view == null) {
75             return;
76         }
77         float translationY = isVisible ? 0 : -getHeight();
78         view.animate().translationY(translationY);
79     }
80 
81     /**
82      * Callback interface for {@link ToolBarView} actions
83      */
84     public interface Callback {
85         /**
86          * Callback triggered when the {@link mBackButton} is clicked
87          */
onClick()88         void onClick();
89     }
90 }
91