The Tor Browser / file comparison

comparison: mobile/android/base/prompts/IconGridInput.java

mobile/android/base/prompts/IconGridInput.java

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TOR_BUG_3246
changeset 4
fc2d59ddac77
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-1:000000000000 0:78a7fd4beb62
1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 package org.mozilla.gecko.prompts;
7
8 import java.util.ArrayList;
9 import java.util.List;
10
11 import org.json.JSONArray;
12 import org.json.JSONObject;
13 import org.mozilla.gecko.GeckoAppShell;
14 import org.mozilla.gecko.R;
15 import org.mozilla.gecko.gfx.BitmapUtils;
16
17 import android.content.Context;
18 import android.graphics.drawable.Drawable;
19 import android.text.TextUtils;
20 import android.view.Display;
21 import android.view.LayoutInflater;
22 import android.view.View;
23 import android.view.ViewGroup;
24 import android.view.WindowManager;
25 import android.widget.AdapterView;
26 import android.widget.AdapterView.OnItemClickListener;
27 import android.widget.ArrayAdapter;
28 import android.widget.GridView;
29 import android.widget.ImageView;
30 import android.widget.TextView;
31
32 public class IconGridInput extends PromptInput implements OnItemClickListener {
33 public static final String INPUT_TYPE = "icongrid";
34 public static final String LOGTAG = "GeckoIconGridInput";
35
36 private ArrayAdapter<IconGridItem> mAdapter; // An adapter holding a list of items to show in the grid
37
38 private static int mColumnWidth = -1; // The maximum width of columns
39 private static int mMaxColumns = -1; // The maximum number of columns to show
40 private static int mIconSize = -1; // Size of icons in the grid
41 private int mSelected = -1; // Current selection
42 private JSONArray mArray;
43
44 public IconGridInput(JSONObject obj) {
45 super(obj);
46 mArray = obj.optJSONArray("items");
47 }
48
49 @Override
50 public View getView(Context context) throws UnsupportedOperationException {
51 if (mColumnWidth < 0) {
52 // getColumnWidth isn't available on pre-ICS, so we pull it out and assign it here
53 mColumnWidth = context.getResources().getDimensionPixelSize(R.dimen.icongrid_columnwidth);
54 }
55
56 if (mIconSize < 0) {
57 mIconSize = GeckoAppShell.getPreferredIconSize();
58 }
59
60 if (mMaxColumns < 0) {
61 mMaxColumns = context.getResources().getInteger(R.integer.max_icon_grid_columns);
62 }
63
64 // TODO: Dynamically handle size changes
65 final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
66 final Display display = wm.getDefaultDisplay();
67 final int screenWidth = display.getWidth();
68 int maxColumns = Math.min(mMaxColumns, screenWidth / mColumnWidth);
69
70 final GridView view = (GridView) LayoutInflater.from(context).inflate(R.layout.icon_grid, null, false);
71 view.setColumnWidth(mColumnWidth);
72
73 final ArrayList<IconGridItem> items = new ArrayList<IconGridItem>(mArray.length());
74 for (int i = 0; i < mArray.length(); i++) {
75 IconGridItem item = new IconGridItem(context, mArray.optJSONObject(i));
76 items.add(item);
77 if (item.selected) {
78 mSelected = i;
79 view.setSelection(i);
80 }
81 }
82
83 view.setNumColumns(Math.min(items.size(), maxColumns));
84 view.setOnItemClickListener(this);
85
86 mAdapter = new IconGridAdapter(context, -1, items);
87 view.setAdapter(mAdapter);
88 mView = view;
89 return mView;
90 }
91
92 @Override
93 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
94 mSelected = position;
95 notifyListeners(Integer.toString(position));
96 }
97
98 @Override
99 public Object getValue() {
100 return new Integer(mSelected);
101 }
102
103 @Override
104 public boolean getScrollable() {
105 return true;
106 }
107
108 private class IconGridAdapter extends ArrayAdapter<IconGridItem> {
109 public IconGridAdapter(Context context, int resource, List<IconGridItem> items) {
110 super(context, resource, items);
111 }
112
113 @Override
114 public View getView(int position, View convert, ViewGroup parent) {
115 final Context context = parent.getContext();
116 if (convert == null) {
117 convert = LayoutInflater.from(context).inflate(R.layout.icon_grid_item, parent, false);
118 }
119 bindView(convert, context, position);
120 return convert;
121 }
122
123 private void bindView(View v, Context c, int position) {
124 final IconGridItem item = getItem(position);
125 final TextView text1 = (TextView) v.findViewById(android.R.id.text1);
126 text1.setText(item.label);
127
128 final TextView text2 = (TextView) v.findViewById(android.R.id.text2);
129 if (TextUtils.isEmpty(item.description)) {
130 text2.setVisibility(View.GONE);
131 } else {
132 text2.setVisibility(View.VISIBLE);
133 text2.setText(item.description);
134 }
135
136 final ImageView icon = (ImageView) v.findViewById(R.id.icon);
137 icon.setImageDrawable(item.icon);
138 ViewGroup.LayoutParams lp = icon.getLayoutParams();
139 lp.width = lp.height = mIconSize;
140 }
141 }
142
143 private class IconGridItem {
144 final String label;
145 final String description;
146 final boolean selected;
147 Drawable icon;
148
149 public IconGridItem(final Context context, final JSONObject obj) {
150 label = obj.optString("name");
151 final String iconUrl = obj.optString("iconUri");
152 description = obj.optString("description");
153 selected = obj.optBoolean("selected");
154
155 BitmapUtils.getDrawable(context, iconUrl, new BitmapUtils.BitmapLoader() {
156 public void onBitmapFound(Drawable d) {
157 icon = d;
158 if (mAdapter != null) {
159 mAdapter.notifyDataSetChanged();
160 }
161 }
162 });
163 }
164 }
165 }

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