summaryrefslogtreecommitdiff
path: root/java/com/android/dialer/widget/EmptyContentView.java
blob: c0f9c9cac25c07c6e2be8dbaf6725e55ac3c32e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
 * Copyright (C) 2015 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.dialer.widget;

import android.content.Context;
import android.content.res.ColorStateList;
import android.support.annotation.StringRes;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.dialer.theme.base.ThemeComponent;

public class EmptyContentView extends LinearLayout implements View.OnClickListener {

  /** Listener to call when action button is clicked. */
  public interface OnEmptyViewActionButtonClickedListener {
    void onEmptyViewActionButtonClicked();
  }

  public static final int NO_LABEL = 0;
  public static final int NO_IMAGE = 0;

  private ImageView imageView;
  private TextView descriptionView;
  private TextView actionView;
  private OnEmptyViewActionButtonClickedListener onActionButtonClickedListener;

  private @StringRes int actionLabel;

  public EmptyContentView(Context context) {
    this(context, null);
  }

  public EmptyContentView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public EmptyContentView(Context context, AttributeSet attrs, int defStyleAttr) {
    this(context, attrs, defStyleAttr, 0);
  }

  public EmptyContentView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
    inflateLayout();

    // Don't let touches fall through the empty view.
    setClickable(true);
    imageView = (ImageView) findViewById(R.id.empty_list_view_image);
    descriptionView = (TextView) findViewById(R.id.empty_list_view_message);
    actionView = (TextView) findViewById(R.id.empty_list_view_action);
    actionView.setOnClickListener(this);

    imageView.setImageTintList(
        ColorStateList.valueOf(ThemeComponent.get(context).theme().getColorIconSecondary()));
  }

  public void setDescription(int resourceId) {
    if (resourceId == NO_LABEL) {
      descriptionView.setText(null);
      descriptionView.setVisibility(View.GONE);
    } else {
      descriptionView.setText(resourceId);
      descriptionView.setVisibility(View.VISIBLE);
    }
  }

  public void setImage(int resourceId) {
    if (resourceId == NO_LABEL) {
      imageView.setImageDrawable(null);
      imageView.setVisibility(View.GONE);
    } else {
      imageView.setImageResource(resourceId);
      imageView.setVisibility(View.VISIBLE);
    }
  }

  public void setActionLabel(@StringRes int resourceId) {
    actionLabel = resourceId;
    if (resourceId == NO_LABEL) {
      actionView.setText(null);
      actionView.setVisibility(View.GONE);
    } else {
      actionView.setText(resourceId);
      actionView.setVisibility(View.VISIBLE);
    }
  }

  public @StringRes int getActionLabel() {
    return actionLabel;
  }

  public boolean isShowingContent() {
    return imageView.getVisibility() == View.VISIBLE
        || descriptionView.getVisibility() == View.VISIBLE
        || actionView.getVisibility() == View.VISIBLE;
  }

  public void setActionClickedListener(OnEmptyViewActionButtonClickedListener listener) {
    onActionButtonClickedListener = listener;
  }

  @Override
  public void onClick(View v) {
    if (onActionButtonClickedListener != null) {
      onActionButtonClickedListener.onEmptyViewActionButtonClicked();
    }
  }

  protected void inflateLayout() {
    setOrientation(LinearLayout.VERTICAL);
    final LayoutInflater inflater =
        (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    inflater.inflate(R.layout.empty_content_view, this);
  }
}