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8 | PointedEar | 1 | package de.pointedears.converter; |
6 | PointedEar | 2 | |
5 | PointedEar | 3 | /* |
4 | * Copyright (C) 2007 The Android Open Source Project |
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6 | PointedEar | 5 | * |
5 | PointedEar | 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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6 | PointedEar | 9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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5 | PointedEar | 12 | * Unless required by applicable law or agreed to in writing, software |
13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | |||
6 | PointedEar | 19 | import java.text.Collator; |
20 | import java.util.ArrayList; |
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21 | import java.util.Collections; |
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22 | import java.util.Comparator; |
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23 | import java.util.HashMap; |
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24 | import java.util.List; |
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25 | import java.util.Map; |
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5 | PointedEar | 26 | |
27 | import android.app.ListActivity; |
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28 | import android.content.Intent; |
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29 | import android.content.pm.PackageManager; |
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30 | import android.content.pm.ResolveInfo; |
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31 | import android.os.Bundle; |
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32 | import android.view.View; |
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33 | import android.widget.ListView; |
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34 | import android.widget.SimpleAdapter; |
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35 | |||
14 | PointedEar | 36 | /** |
37 | * Generates the main menu as a list of activities from the manifest |
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38 | * |
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39 | * @author |
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40 | * Thomas 'PointedEars' Lahn; |
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41 | * Class courtesy of The Android Open Source Project |
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42 | * (Android 2.2 SDK Examples), slightly adapted |
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43 | */ |
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6 | PointedEar | 44 | public class MenuActivity extends ListActivity |
45 | { |
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5 | PointedEar | 46 | |
6 | PointedEar | 47 | @Override |
48 | public void onCreate(Bundle savedInstanceState) |
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49 | { |
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50 | super.onCreate(savedInstanceState); |
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5 | PointedEar | 51 | |
6 | PointedEar | 52 | Intent intent = this.getIntent(); |
14 | PointedEar | 53 | String path = intent.getStringExtra("de.pointedears.converter.Path"); //$NON-NLS-1$ |
5 | PointedEar | 54 | |
6 | PointedEar | 55 | if (path == null) |
56 | { |
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14 | PointedEar | 57 | path = ""; //$NON-NLS-1$ |
6 | PointedEar | 58 | } |
59 | |||
60 | this.setListAdapter(new SimpleAdapter(this, this.getData(path), |
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14 | PointedEar | 61 | android.R.layout.simple_list_item_1, new String[] { "title" }, //$NON-NLS-1$ |
62 | new int[] { android.R.id.text1 })); |
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6 | PointedEar | 63 | this.getListView().setTextFilterEnabled(true); |
64 | } |
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65 | |||
14 | PointedEar | 66 | /** |
67 | * @param prefix |
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68 | * @return |
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69 | */ |
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6 | PointedEar | 70 | protected List getData(String prefix) |
71 | { |
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72 | List<Map> myData = new ArrayList<Map>(); |
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73 | |||
74 | Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); |
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75 | mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER); |
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76 | |||
77 | PackageManager pm = this.getPackageManager(); |
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78 | List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0); |
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79 | |||
80 | if (null == list) |
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81 | { |
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82 | return myData; |
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5 | PointedEar | 83 | } |
84 | |||
6 | PointedEar | 85 | String[] prefixPath; |
5 | PointedEar | 86 | |
14 | PointedEar | 87 | if (prefix.equals("")) //$NON-NLS-1$ |
6 | PointedEar | 88 | { |
89 | prefixPath = null; |
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90 | } |
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91 | else |
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92 | { |
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14 | PointedEar | 93 | prefixPath = prefix.split("/"); //$NON-NLS-1$ |
6 | PointedEar | 94 | } |
5 | PointedEar | 95 | |
6 | PointedEar | 96 | int len = list.size(); |
5 | PointedEar | 97 | |
6 | PointedEar | 98 | Map<String, Boolean> entries = new HashMap<String, Boolean>(); |
5 | PointedEar | 99 | |
6 | PointedEar | 100 | for (int i = 0; i < len; i++) |
101 | { |
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102 | ResolveInfo info = list.get(i); |
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103 | CharSequence labelSeq = info.loadLabel(pm); |
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104 | String label = labelSeq != null |
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5 | PointedEar | 105 | ? labelSeq.toString() |
106 | : info.activityInfo.name; |
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107 | |||
6 | PointedEar | 108 | if (prefix.length() == 0 || label.startsWith(prefix)) |
109 | { |
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5 | PointedEar | 110 | |
14 | PointedEar | 111 | String[] labelPath = label.split("/"); //$NON-NLS-1$ |
6 | PointedEar | 112 | |
113 | String nextLabel = |
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114 | prefixPath == null ? labelPath[0] : labelPath[prefixPath.length]; |
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115 | |||
116 | if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1) |
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117 | { |
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118 | this.addItem(myData, nextLabel, this.activityIntent( |
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5 | PointedEar | 119 | info.activityInfo.applicationInfo.packageName, |
120 | info.activityInfo.name)); |
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121 | } |
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6 | PointedEar | 122 | else |
123 | { |
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124 | if (entries.get(nextLabel) == null) |
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125 | { |
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126 | this.addItem( |
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127 | myData, |
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128 | nextLabel, |
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14 | PointedEar | 129 | this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/" //$NON-NLS-1$//$NON-NLS-2$ |
6 | PointedEar | 130 | + nextLabel)); |
131 | entries.put(nextLabel, true); |
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132 | } |
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133 | } |
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134 | } |
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5 | PointedEar | 135 | } |
136 | |||
6 | PointedEar | 137 | Collections.sort(myData, MenuActivity.sDisplayNameComparator); |
5 | PointedEar | 138 | |
6 | PointedEar | 139 | return myData; |
140 | } |
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141 | |||
142 | private final static Comparator<Map> sDisplayNameComparator = |
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143 | new Comparator<Map>() { |
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144 | private final Collator collator = Collator.getInstance(); |
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145 | |||
146 | public int compare(Map map1, Map map2) |
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147 | { |
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14 | PointedEar | 148 | return this.collator.compare(map1.get("title"), map2.get("title")); //$NON-NLS-1$ //$NON-NLS-2$ |
6 | PointedEar | 149 | } |
5 | PointedEar | 150 | }; |
151 | |||
14 | PointedEar | 152 | /** |
153 | * @param pkg |
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154 | * @param componentName |
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155 | * @return |
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156 | */ |
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6 | PointedEar | 157 | protected Intent activityIntent(String pkg, String componentName) |
158 | { |
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159 | Intent result = new Intent(); |
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160 | result.setClassName(pkg, componentName); |
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161 | return result; |
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162 | } |
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5 | PointedEar | 163 | |
14 | PointedEar | 164 | /** |
165 | * @param path |
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166 | * @return |
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167 | */ |
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6 | PointedEar | 168 | protected Intent browseIntent(String path) |
169 | { |
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170 | Intent result = new Intent(); |
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171 | result.setClass(this, MenuActivity.class); |
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14 | PointedEar | 172 | result.putExtra("de.pointedears.converter.Path", path); //$NON-NLS-1$ |
6 | PointedEar | 173 | return result; |
174 | } |
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5 | PointedEar | 175 | |
14 | PointedEar | 176 | /** |
177 | * @param data |
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178 | * @param name |
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179 | * @param intent |
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180 | */ |
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6 | PointedEar | 181 | protected void addItem(List<Map> data, String name, Intent intent) |
182 | { |
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183 | Map<String, Object> temp = new HashMap<String, Object>(); |
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14 | PointedEar | 184 | temp.put("title", name); //$NON-NLS-1$ |
185 | temp.put("intent", intent); //$NON-NLS-1$ |
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6 | PointedEar | 186 | data.add(temp); |
187 | } |
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5 | PointedEar | 188 | |
14 | PointedEar | 189 | /* |
190 | * (non-Javadoc) |
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191 | * |
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192 | * @see android.app.ListActivity#onListItemClick(android.widget.ListView, |
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193 | * android.view.View, int, long) |
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194 | */ |
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6 | PointedEar | 195 | @Override |
196 | protected void onListItemClick(ListView l, View v, int position, long id) |
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197 | { |
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198 | Map map = (Map) l.getItemAtPosition(position); |
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5 | PointedEar | 199 | |
14 | PointedEar | 200 | Intent intent = (Intent) map.get("intent"); //$NON-NLS-1$ |
6 | PointedEar | 201 | this.startActivity(intent); |
202 | } |
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203 | |||
5 | PointedEar | 204 | } |