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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/* -*- 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.prompts;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONObject;
import org.mozilla.gecko.GeckoAppShell;
import org.mozilla.gecko.R;
import org.mozilla.gecko.util.ResourceDrawableUtils;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
public class IconGridInput extends PromptInput implements OnItemClickListener {
public static final String INPUT_TYPE = "icongrid";
public static final String LOGTAG = "GeckoIconGridInput";
private ArrayAdapter<IconGridItem> mAdapter; // An adapter holding a list of items to show in the grid
private static int mColumnWidth = -1; // The maximum width of columns
private static int mMaxColumns = -1; // The maximum number of columns to show
private static int mIconSize = -1; // Size of icons in the grid
private int mSelected; // Current selection
private final JSONArray mArray;
public IconGridInput(JSONObject obj) {
super(obj);
mArray = obj.optJSONArray("items");
}
@Override
public View getView(Context context) throws UnsupportedOperationException {
if (mColumnWidth < 0) {
// getColumnWidth isn't available on pre-ICS, so we pull it out and assign it here
mColumnWidth = context.getResources().getDimensionPixelSize(R.dimen.icongrid_columnwidth);
}
if (mIconSize < 0) {
mIconSize = GeckoAppShell.getPreferredIconSize();
}
if (mMaxColumns < 0) {
mMaxColumns = context.getResources().getInteger(R.integer.max_icon_grid_columns);
}
// TODO: Dynamically handle size changes
final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
final Display display = wm.getDefaultDisplay();
final int screenWidth = display.getWidth();
int maxColumns = Math.min(mMaxColumns, screenWidth / mColumnWidth);
final GridView view = (GridView) LayoutInflater.from(context).inflate(R.layout.icon_grid, null, false);
view.setColumnWidth(mColumnWidth);
final ArrayList<IconGridItem> items = new ArrayList<IconGridItem>(mArray.length());
for (int i = 0; i < mArray.length(); i++) {
IconGridItem item = new IconGridItem(context, mArray.optJSONObject(i));
items.add(item);
if (item.selected) {
mSelected = i;
}
}
view.setNumColumns(Math.min(items.size(), maxColumns));
view.setOnItemClickListener(this);
// Despite what the docs say, setItemChecked was not moved into the AbsListView class until sometime between
// Android 2.3.7 and Android 4.0.3. For other versions the item won't be visually highlighted, BUT we really only
// mSelected will still be set so that we default to its behavior.
if (mSelected > -1) {
view.setItemChecked(mSelected, true);
}
mAdapter = new IconGridAdapter(context, -1, items);
view.setAdapter(mAdapter);
mView = view;
return mView;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mSelected = position;
notifyListeners(Integer.toString(position));
}
@Override
public Object getValue() {
return mSelected;
}
@Override
public boolean getScrollable() {
return true;
}
private class IconGridAdapter extends ArrayAdapter<IconGridItem> {
public IconGridAdapter(Context context, int resource, List<IconGridItem> items) {
super(context, resource, items);
}
@Override
public View getView(int position, View convert, ViewGroup parent) {
final Context context = parent.getContext();
if (convert == null) {
convert = LayoutInflater.from(context).inflate(R.layout.icon_grid_item, parent, false);
}
bindView(convert, context, position);
return convert;
}
private void bindView(View v, Context c, int position) {
final IconGridItem item = getItem(position);
final TextView text1 = (TextView) v.findViewById(android.R.id.text1);
text1.setText(item.label);
final TextView text2 = (TextView) v.findViewById(android.R.id.text2);
if (TextUtils.isEmpty(item.description)) {
text2.setVisibility(View.GONE);
} else {
text2.setVisibility(View.VISIBLE);
text2.setText(item.description);
}
final ImageView icon = (ImageView) v.findViewById(R.id.icon);
icon.setImageDrawable(item.icon);
ViewGroup.LayoutParams lp = icon.getLayoutParams();
lp.width = lp.height = mIconSize;
}
}
private class IconGridItem {
final String label;
final String description;
final boolean selected;
Drawable icon;
public IconGridItem(final Context context, final JSONObject obj) {
label = obj.optString("name");
final String iconUrl = obj.optString("iconUri");
description = obj.optString("description");
selected = obj.optBoolean("selected");
ResourceDrawableUtils.getDrawable(context, iconUrl, new ResourceDrawableUtils.BitmapLoader() {
@Override
public void onBitmapFound(Drawable d) {
icon = d;
if (mAdapter != null) {
mAdapter.notifyDataSetChanged();
}
}
});
}
}
}
|
