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
|
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.tabs;
import org.mozilla.gecko.Tab;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import java.util.ArrayList;
public class TabsLayoutRecyclerAdapter
extends RecyclerView.Adapter<TabsLayoutRecyclerAdapter.TabsListViewHolder> {
private static final String LOGTAG = "Gecko" + TabsLayoutRecyclerAdapter.class.getSimpleName();
private final int tabLayoutId;
private @NonNull ArrayList<Tab> tabs;
private final LayoutInflater inflater;
private final boolean isPrivate;
// Click listener for the close button on itemViews.
private final Button.OnClickListener closeOnClickListener;
// The TabsLayoutItemView takes care of caching its own Views, so we don't need to do anything
// here except not be abstract.
public static class TabsListViewHolder extends RecyclerView.ViewHolder {
public TabsListViewHolder(View itemView) {
super(itemView);
}
}
public TabsLayoutRecyclerAdapter(Context context, int tabLayoutId, boolean isPrivate,
Button.OnClickListener closeOnClickListener) {
inflater = LayoutInflater.from(context);
this.tabLayoutId = tabLayoutId;
this.isPrivate = isPrivate;
this.closeOnClickListener = closeOnClickListener;
tabs = new ArrayList<>(0);
}
/* package */ final void setTabs(@NonNull ArrayList<Tab> tabs) {
this.tabs = tabs;
notifyDataSetChanged();
}
/* package */ final void clear() {
tabs = new ArrayList<>(0);
notifyDataSetChanged();
}
/* package */ final boolean removeTab(Tab tab) {
final int position = getPositionForTab(tab);
if (position == -1) {
return false;
}
tabs.remove(position);
notifyItemRemoved(position);
return true;
}
/* package */ final int getPositionForTab(Tab tab) {
if (tab == null) {
return -1;
}
return tabs.indexOf(tab);
}
/* package */ void notifyTabChanged(Tab tab) {
notifyItemChanged(getPositionForTab(tab));
}
/* package */ void notifyTabInserted(Tab tab, int index) {
if (index >= 0 && index <= tabs.size()) {
tabs.add(index, tab);
notifyItemInserted(index);
} else {
// Add to the end.
tabs.add(tab);
notifyItemInserted(tabs.size() - 1);
// index == -1 is a valid way to add to the end, the other cases are errors.
if (index != -1) {
Log.e(LOGTAG, "Tab was inserted at an invalid position: " + Integer.toString(index));
}
}
}
@Override
public int getItemCount() {
return tabs.size();
}
private Tab getItem(int position) {
return tabs.get(position);
}
@Override
public void onBindViewHolder(TabsListViewHolder viewHolder, int position) {
final Tab tab = getItem(position);
final TabsLayoutItemView itemView = (TabsLayoutItemView) viewHolder.itemView;
itemView.assignValues(tab);
// Be careful (re)setting position values here: bind is called on each notifyItemChanged,
// so you could be stomping on values that have been set in support of other animations
// that are already underway.
}
@Override
public TabsListViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
final TabsLayoutItemView viewItem = (TabsLayoutItemView) inflater.inflate(tabLayoutId, parent, false);
viewItem.setPrivateMode(isPrivate);
viewItem.setCloseOnClickListener(closeOnClickListener);
return new TabsListViewHolder(viewItem);
}
}
|
