1 // Copyright 2011 Google Inc. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 package com.hughes.android.dictionary;
17 import android.app.Application;
18 import android.content.Context;
19 import android.content.Intent;
20 import android.content.SharedPreferences;
21 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
22 import android.net.Uri;
23 import android.preference.PreferenceManager;
24 import android.util.Log;
25 import android.view.Menu;
26 import android.view.MenuItem;
27 import android.view.MenuItem.OnMenuItemClickListener;
29 import com.hughes.android.dictionary.engine.Dictionary;
30 import com.hughes.android.dictionary.engine.Language;
31 import com.hughes.android.dictionary.engine.TransliteratorManager;
32 import com.hughes.android.util.PersistentObjectCache;
33 import com.hughes.util.ListUtil;
34 import com.ibm.icu.text.Collator;
36 import java.io.BufferedReader;
38 import java.io.IOException;
39 import java.io.InputStreamReader;
40 import java.io.Serializable;
41 import java.util.ArrayList;
42 import java.util.Collections;
43 import java.util.Comparator;
44 import java.util.LinkedHashMap;
45 import java.util.List;
46 import java.util.Locale;
49 public class DictionaryApplication extends Application {
51 static final String LOG = "QuickDicApp";
53 // Static, determined by resources (and locale).
55 static Map<String,DictionaryInfo> DOWNLOADABLE_NAME_TO_INFO = null;
57 static final class DictionaryConfig implements Serializable {
58 private static final long serialVersionUID = -1444177164708201263L;
59 // User-ordered list, persisted, just the ones that are/have been present.
60 final List<String> dictionaryFilesOrdered = new ArrayList<String>();
61 final Map<String, DictionaryInfo> dictionaryInfoCache = new LinkedHashMap<String, DictionaryInfo>();
63 DictionaryConfig dictionaryConfig = null;
65 static final class DictionaryHistory implements Serializable {
66 private static final long serialVersionUID = -4842995032541390284L;
67 // User-ordered list, persisted, just the ones that are/have been present.
68 final List<DictionaryLink> dictionaryLinks = new ArrayList<DictionaryLink>();
70 DictionaryHistory dictionaryHistory = null;
74 static synchronized void staticInit(final Context context) {
75 if (DOWNLOADABLE_NAME_TO_INFO != null) {
78 DOWNLOADABLE_NAME_TO_INFO = new LinkedHashMap<String,DictionaryInfo>();
79 final BufferedReader reader = new BufferedReader(new InputStreamReader(context.getResources().openRawResource(R.raw.dictionary_info)));
82 while ((line = reader.readLine()) != null) {
83 if (line.startsWith("#") || line.length() == 0) {
86 final DictionaryInfo dictionaryInfo = new DictionaryInfo(line);
87 DOWNLOADABLE_NAME_TO_INFO.put(dictionaryInfo.uncompressedFilename, dictionaryInfo);
90 } catch (IOException e) {
91 Log.e(LOG, "Failed to load downloadable dictionary lists.", e);
97 public void onCreate() {
99 Log.d("QuickDic", "Application: onCreate");
100 TransliteratorManager.init(null);
101 staticInit(getApplicationContext());
103 // Load the dictionaries we know about.
104 dictionaryConfig = PersistentObjectCache.init(getApplicationContext()).read(C.DICTIONARY_CONFIGS, DictionaryConfig.class);
105 if (dictionaryConfig == null) {
106 dictionaryConfig = new DictionaryConfig();
110 setTheme(getSelectedTheme().themeId);
111 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
112 prefs.registerOnSharedPreferenceChangeListener(new OnSharedPreferenceChangeListener() {
114 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
116 Log.d("QuickDic", "prefs changed: " + key);
117 if (key.equals(getString(R.string.themeKey))) {
118 setTheme(getSelectedTheme().themeId);
124 public void onCreateGlobalOptionsMenu(
125 final Context context, final Menu menu) {
126 final MenuItem about = menu.add(getString(R.string.about));
127 about.setOnMenuItemClickListener(new OnMenuItemClickListener() {
128 public boolean onMenuItemClick(final MenuItem menuItem) {
129 final Intent intent = new Intent().setClassName(AboutActivity.class
130 .getPackage().getName(), AboutActivity.class.getCanonicalName());
131 context.startActivity(intent);
136 final MenuItem help = menu.add(getString(R.string.help));
137 help.setOnMenuItemClickListener(new OnMenuItemClickListener() {
138 public boolean onMenuItemClick(final MenuItem menuItem) {
139 context.startActivity(HtmlDisplayActivity.getHelpLaunchIntent());
144 final MenuItem preferences = menu.add(getString(R.string.settings));
145 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
146 public boolean onMenuItemClick(final MenuItem menuItem) {
147 SettingsActivity.settingsMightHaveChanged = true;
148 final Intent intent = new Intent().setClassName(SettingsActivity.class
149 .getPackage().getName(), SettingsActivity.class.getCanonicalName());
150 context.startActivity(intent);
156 final MenuItem reportIssue = menu.add(getString(R.string.reportIssue));
157 reportIssue.setOnMenuItemClickListener(new OnMenuItemClickListener() {
158 public boolean onMenuItemClick(final MenuItem menuItem) {
159 final Intent intent = new Intent(Intent.ACTION_VIEW);
160 intent.setData(Uri.parse("http://code.google.com/p/quickdic-dictionary/issues/entry"));
161 context.startActivity(intent);
167 public synchronized File getDictDir() {
168 // This metaphore doesn't work, because we've already reset prefsMightHaveChanged.
169 // if (dictDir == null || PreferenceActivity.prefsMightHaveChanged) {
170 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
171 final String dir = prefs.getString(getString(R.string.quickdicDirectoryKey), getString(R.string.quickdicDirectoryDefault));
172 dictDir = new File(dir);
178 public C.Theme getSelectedTheme() {
179 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
180 final String theme = prefs.getString(getString(R.string.themeKey), "themeLight");
181 if (theme.equals("themeLight")) {
182 return C.Theme.LIGHT;
184 return C.Theme.DEFAULT;
188 public File getPath(String uncompressedFilename) {
189 return new File(getDictDir(), uncompressedFilename);
193 String defaultLangISO2 = Locale.getDefault().getLanguage().toLowerCase();
194 String defaultLangName = null;
195 final Map<String, String> fileToNameCache = new LinkedHashMap<String, String>();
197 public String getLanguageName(final String isoCode) {
198 final Language.LanguageResources languageResources = Language.isoCodeToResources.get(isoCode);
199 final String lang = languageResources != null ? getApplicationContext().getString(languageResources.nameId) : isoCode;
204 public synchronized String getDictionaryName(final String uncompressedFilename) {
205 final String currentLocale = Locale.getDefault().getLanguage().toLowerCase();
206 if (!currentLocale.equals(defaultLangISO2)) {
207 defaultLangISO2 = currentLocale;
208 fileToNameCache.clear();
209 defaultLangName = null;
211 if (defaultLangName == null) {
212 defaultLangName = getLanguageName(defaultLangISO2);
215 String name = fileToNameCache.get(uncompressedFilename);
220 final DictionaryInfo dictionaryInfo = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);
221 if (dictionaryInfo != null) {
222 final StringBuilder nameBuilder = new StringBuilder();
224 // Hack to put the default locale first in the name.
225 boolean swapped = false;
226 if (dictionaryInfo.indexInfos.size() > 1 &&
227 dictionaryInfo.indexInfos.get(1).shortName.toLowerCase().equals(defaultLangISO2)) {
228 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
231 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
233 nameBuilder.append("-");
235 nameBuilder.append(getLanguageName(dictionaryInfo.indexInfos.get(i).shortName));
238 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
240 name = nameBuilder.toString();
242 name = uncompressedFilename.replace(".quickdic", "");
244 fileToNameCache.put(uncompressedFilename, name);
248 public synchronized void moveDictionaryToTop(final DictionaryInfo dictionaryInfo) {
249 dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename);
250 dictionaryConfig.dictionaryFilesOrdered.add(0, dictionaryInfo.uncompressedFilename);
251 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
254 public synchronized void deleteDictionary(final DictionaryInfo dictionaryInfo) {
255 while (dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename)) {};
256 dictionaryConfig.dictionaryInfoCache.remove(dictionaryInfo.uncompressedFilename);
257 getPath(dictionaryInfo.uncompressedFilename).delete();
258 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
261 final Collator collator = Collator.getInstance();
262 final Comparator<String> uncompressedFilenameComparator = new Comparator<String>() {
264 public int compare(String uncompressedFilename1, String uncompressedFilename2) {
265 final String name1 = getDictionaryName(uncompressedFilename1);
266 final String name2 = getDictionaryName(uncompressedFilename2);
267 if (defaultLangName.length() > 0) {
268 if (name1.startsWith(defaultLangName) && !name2.startsWith(defaultLangName)) {
270 } else if (name2.startsWith(defaultLangName) && !name1.startsWith(defaultLangName)) {
274 return collator.compare(name1, name2);
277 final Comparator<DictionaryInfo> dictionaryInfoComparator = new Comparator<DictionaryInfo>() {
279 public int compare(DictionaryInfo d1, DictionaryInfo d2) {
280 // Single-index dictionaries first.
281 if (d1.indexInfos.size() != d2.indexInfos.size()) {
282 return d1.indexInfos.size() - d2.indexInfos.size();
284 return uncompressedFilenameComparator.compare(d1.uncompressedFilename, d2.uncompressedFilename);
288 public void backgroundUpdateDictionaries(final Runnable onUpdateFinished) {
289 new Thread(new Runnable() {
292 final DictionaryConfig oldDictionaryConfig = new DictionaryConfig();
294 oldDictionaryConfig.dictionaryFilesOrdered.addAll(dictionaryConfig.dictionaryFilesOrdered);
296 final DictionaryConfig newDictionaryConfig = new DictionaryConfig();
297 for (final String uncompressedFilename : oldDictionaryConfig.dictionaryFilesOrdered) {
298 final File dictFile = getPath(uncompressedFilename);
299 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(dictFile);
300 if (dictionaryInfo != null) {
301 newDictionaryConfig.dictionaryFilesOrdered.add(uncompressedFilename);
302 newDictionaryConfig.dictionaryInfoCache.put(uncompressedFilename, dictionaryInfo);
306 // Are there dictionaries on the device that we didn't know about already?
307 // Pick them up and put them at the end of the list.
308 final List<String> toAddSorted = new ArrayList<String>();
309 final File[] dictDirFiles = getDictDir().listFiles();
310 if (dictDirFiles != null) {
311 for (final File file : dictDirFiles) {
312 if (file.getName().endsWith(".zip")) {
313 if (DOWNLOADABLE_NAME_TO_INFO.containsKey(file.getName().replace(".zip", ""))) {
317 if (!file.getName().endsWith(".quickdic")) {
320 if (newDictionaryConfig.dictionaryInfoCache.containsKey(file.getName())) {
321 // We have it in our list already.
324 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(file);
325 if (dictionaryInfo == null) {
326 Log.e(LOG, "Unable to parse dictionary: " + file.getPath());
330 toAddSorted.add(file.getName());
331 newDictionaryConfig.dictionaryInfoCache.put(file.getName(), dictionaryInfo);
334 Log.w(LOG, "dictDir is not a diretory: " + getDictDir().getPath());
336 if (!toAddSorted.isEmpty()) {
337 Collections.sort(toAddSorted, uncompressedFilenameComparator);
338 newDictionaryConfig.dictionaryFilesOrdered.addAll(toAddSorted);
341 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, newDictionaryConfig);
342 synchronized (this) {
343 dictionaryConfig = newDictionaryConfig;
347 onUpdateFinished.run();
348 } catch (Exception e) {
349 Log.e(LOG, "Exception running callback.", e);
354 public synchronized List<DictionaryInfo> getUsableDicts() {
355 final List<DictionaryInfo> result = new ArrayList<DictionaryInfo>(dictionaryConfig.dictionaryFilesOrdered.size());
356 for (final String uncompressedFilename : dictionaryConfig.dictionaryFilesOrdered) {
357 final DictionaryInfo dictionaryInfo = dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename);
358 if (dictionaryInfo != null) {
359 result.add(dictionaryInfo);
365 public synchronized List<DictionaryInfo> getAllDictionaries() {
366 final List<DictionaryInfo> result = getUsableDicts();
368 // The downloadable ones.
369 final Map<String,DictionaryInfo> remaining = new LinkedHashMap<String, DictionaryInfo>(DOWNLOADABLE_NAME_TO_INFO);
370 remaining.keySet().removeAll(dictionaryConfig.dictionaryFilesOrdered);
371 final List<DictionaryInfo> toAddSorted = new ArrayList<DictionaryInfo>(remaining.values());
372 Collections.sort(toAddSorted, dictionaryInfoComparator);
373 result.addAll(toAddSorted);
378 public synchronized boolean isDictionaryOnDevice(String uncompressedFilename) {
379 return dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename) != null;
382 public boolean updateAvailable(final DictionaryInfo dictionaryInfo) {
383 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(dictionaryInfo.uncompressedFilename);
384 return downloadable != null && downloadable.creationMillis > dictionaryInfo.creationMillis;
387 public DictionaryInfo getDownloadable(final String uncompressedFilename) {
388 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);