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
133
134
135
136
137
138
|
/* -*- 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.home;
import org.mozilla.gecko.R;
import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;
import android.content.Context;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
/**
* HomeListView is a custom extension of ListView, that packs a HomeContextMenuInfo
* when any of its rows is long pressed.
*/
public class HomeListView extends ListView
implements OnItemLongClickListener {
// ContextMenuInfo associated with the currently long pressed list item.
private HomeContextMenuInfo mContextMenuInfo;
// On URL open listener
protected OnUrlOpenListener mUrlOpenListener;
// Top divider
private final boolean mShowTopDivider;
// ContextMenuInfo maker
private HomeContextMenuInfo.Factory mContextMenuInfoFactory;
public HomeListView(Context context) {
this(context, null);
}
public HomeListView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.homeListViewStyle);
}
public HomeListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HomeListView, defStyle, 0);
mShowTopDivider = a.getBoolean(R.styleable.HomeListView_topDivider, false);
a.recycle();
setOnItemLongClickListener(this);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
final Drawable divider = getDivider();
if (mShowTopDivider && divider != null) {
final int dividerHeight = getDividerHeight();
final View view = new View(getContext());
view.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, dividerHeight));
addHeaderView(view);
}
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mUrlOpenListener = null;
}
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
Object item = parent.getItemAtPosition(position);
// HomeListView could hold headers too. Add a context menu info only for its children.
if (item instanceof Cursor) {
Cursor cursor = (Cursor) item;
if (cursor == null || mContextMenuInfoFactory == null) {
mContextMenuInfo = null;
return false;
}
mContextMenuInfo = mContextMenuInfoFactory.makeInfoForCursor(view, position, id, cursor);
return showContextMenuForChild(HomeListView.this);
} else if (mContextMenuInfoFactory instanceof HomeContextMenuInfo.ListFactory) {
mContextMenuInfo = ((HomeContextMenuInfo.ListFactory) mContextMenuInfoFactory).makeInfoForAdapter(view, position, id, getAdapter());
return showContextMenuForChild(HomeListView.this);
} else {
mContextMenuInfo = null;
return false;
}
}
@Override
public ContextMenuInfo getContextMenuInfo() {
return mContextMenuInfo;
}
@Override
public void setOnItemClickListener(final AdapterView.OnItemClickListener listener) {
if (listener == null) {
super.setOnItemClickListener(null);
return;
}
super.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (mShowTopDivider) {
position--;
}
listener.onItemClick(parent, view, position, id);
}
});
}
public void setContextMenuInfoFactory(final HomeContextMenuInfo.Factory factory) {
mContextMenuInfoFactory = factory;
}
public OnUrlOpenListener getOnUrlOpenListener() {
return mUrlOpenListener;
}
public void setOnUrlOpenListener(OnUrlOpenListener listener) {
mUrlOpenListener = listener;
}
}
|