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;
26 import com.actionbarsherlock.view.Menu;
27 import com.actionbarsherlock.view.MenuItem;
28 import com.actionbarsherlock.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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
128 about.setOnMenuItemClickListener(new OnMenuItemClickListener() {
129 public boolean onMenuItemClick(final MenuItem menuItem) {
130 final Intent intent = new Intent().setClassName(AboutActivity.class
131 .getPackage().getName(), AboutActivity.class.getCanonicalName());
132 context.startActivity(intent);
137 final MenuItem help = menu.add(getString(R.string.help));
138 help.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
139 help.setOnMenuItemClickListener(new OnMenuItemClickListener() {
140 public boolean onMenuItemClick(final MenuItem menuItem) {
141 context.startActivity(HtmlDisplayActivity.getHelpLaunchIntent());
146 final MenuItem preferences = menu.add(getString(R.string.settings));
147 preferences.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
148 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
149 public boolean onMenuItemClick(final MenuItem menuItem) {
150 SettingsActivity.settingsMightHaveChanged = true;
151 final Intent intent = new Intent().setClassName(SettingsActivity.class
152 .getPackage().getName(), SettingsActivity.class.getCanonicalName());
153 context.startActivity(intent);
159 final MenuItem reportIssue = menu.add(getString(R.string.reportIssue));
160 reportIssue.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
161 reportIssue.setOnMenuItemClickListener(new OnMenuItemClickListener() {
162 public boolean onMenuItemClick(final MenuItem menuItem) {
163 final Intent intent = new Intent(Intent.ACTION_VIEW);
164 intent.setData(Uri.parse("http://code.google.com/p/quickdic-dictionary/issues/entry"));
165 context.startActivity(intent);
171 public synchronized File getDictDir() {
172 // This metaphore doesn't work, because we've already reset prefsMightHaveChanged.
173 // if (dictDir == null || PreferenceActivity.prefsMightHaveChanged) {
174 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
175 final String dir = prefs.getString(getString(R.string.quickdicDirectoryKey), getString(R.string.quickdicDirectoryDefault));
176 dictDir = new File(dir);
182 public C.Theme getSelectedTheme() {
183 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
184 final String theme = prefs.getString(getString(R.string.themeKey), "themeLight");
185 if (theme.equals("themeLight")) {
186 return C.Theme.LIGHT;
188 return C.Theme.DEFAULT;
192 public File getPath(String uncompressedFilename) {
193 return new File(getDictDir(), uncompressedFilename);
197 String defaultLangISO2 = Locale.getDefault().getLanguage().toLowerCase();
198 String defaultLangName = null;
199 final Map<String, String> fileToNameCache = new LinkedHashMap<String, String>();
201 public String getLanguageName(final String isoCode) {
202 final Language.LanguageResources languageResources = Language.isoCodeToResources.get(isoCode);
203 final String lang = languageResources != null ? getApplicationContext().getString(languageResources.nameId) : isoCode;
208 public synchronized String getDictionaryName(final String uncompressedFilename) {
209 final String currentLocale = Locale.getDefault().getLanguage().toLowerCase();
210 if (!currentLocale.equals(defaultLangISO2)) {
211 defaultLangISO2 = currentLocale;
212 fileToNameCache.clear();
213 defaultLangName = null;
215 if (defaultLangName == null) {
216 defaultLangName = getLanguageName(defaultLangISO2);
219 String name = fileToNameCache.get(uncompressedFilename);
224 final DictionaryInfo dictionaryInfo = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);
225 if (dictionaryInfo != null) {
226 final StringBuilder nameBuilder = new StringBuilder();
228 // Hack to put the default locale first in the name.
229 boolean swapped = false;
230 if (dictionaryInfo.indexInfos.size() > 1 &&
231 dictionaryInfo.indexInfos.get(1).shortName.toLowerCase().equals(defaultLangISO2)) {
232 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
235 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
237 nameBuilder.append("-");
239 nameBuilder.append(getLanguageName(dictionaryInfo.indexInfos.get(i).shortName));
242 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
244 name = nameBuilder.toString();
246 name = uncompressedFilename.replace(".quickdic", "");
248 fileToNameCache.put(uncompressedFilename, name);
252 public synchronized void moveDictionaryToTop(final DictionaryInfo dictionaryInfo) {
253 dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename);
254 dictionaryConfig.dictionaryFilesOrdered.add(0, dictionaryInfo.uncompressedFilename);
255 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
258 public synchronized void deleteDictionary(final DictionaryInfo dictionaryInfo) {
259 while (dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename)) {};
260 dictionaryConfig.dictionaryInfoCache.remove(dictionaryInfo.uncompressedFilename);
261 getPath(dictionaryInfo.uncompressedFilename).delete();
262 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
265 final Collator collator = Collator.getInstance();
266 final Comparator<String> uncompressedFilenameComparator = new Comparator<String>() {
268 public int compare(String uncompressedFilename1, String uncompressedFilename2) {
269 final String name1 = getDictionaryName(uncompressedFilename1);
270 final String name2 = getDictionaryName(uncompressedFilename2);
271 if (defaultLangName.length() > 0) {
272 if (name1.startsWith(defaultLangName) && !name2.startsWith(defaultLangName)) {
274 } else if (name2.startsWith(defaultLangName) && !name1.startsWith(defaultLangName)) {
278 return collator.compare(name1, name2);
281 final Comparator<DictionaryInfo> dictionaryInfoComparator = new Comparator<DictionaryInfo>() {
283 public int compare(DictionaryInfo d1, DictionaryInfo d2) {
284 // Single-index dictionaries first.
285 if (d1.indexInfos.size() != d2.indexInfos.size()) {
286 return d1.indexInfos.size() - d2.indexInfos.size();
288 return uncompressedFilenameComparator.compare(d1.uncompressedFilename, d2.uncompressedFilename);
292 public void backgroundUpdateDictionaries(final Runnable onUpdateFinished) {
293 new Thread(new Runnable() {
296 final DictionaryConfig oldDictionaryConfig = new DictionaryConfig();
298 oldDictionaryConfig.dictionaryFilesOrdered.addAll(dictionaryConfig.dictionaryFilesOrdered);
300 final DictionaryConfig newDictionaryConfig = new DictionaryConfig();
301 for (final String uncompressedFilename : oldDictionaryConfig.dictionaryFilesOrdered) {
302 final File dictFile = getPath(uncompressedFilename);
303 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(dictFile);
304 if (dictionaryInfo != null) {
305 newDictionaryConfig.dictionaryFilesOrdered.add(uncompressedFilename);
306 newDictionaryConfig.dictionaryInfoCache.put(uncompressedFilename, dictionaryInfo);
310 // Are there dictionaries on the device that we didn't know about already?
311 // Pick them up and put them at the end of the list.
312 final List<String> toAddSorted = new ArrayList<String>();
313 final File[] dictDirFiles = getDictDir().listFiles();
314 if (dictDirFiles != null) {
315 for (final File file : dictDirFiles) {
316 if (file.getName().endsWith(".zip")) {
317 if (DOWNLOADABLE_NAME_TO_INFO.containsKey(file.getName().replace(".zip", ""))) {
321 if (!file.getName().endsWith(".quickdic")) {
324 if (newDictionaryConfig.dictionaryInfoCache.containsKey(file.getName())) {
325 // We have it in our list already.
328 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(file);
329 if (dictionaryInfo == null) {
330 Log.e(LOG, "Unable to parse dictionary: " + file.getPath());
334 toAddSorted.add(file.getName());
335 newDictionaryConfig.dictionaryInfoCache.put(file.getName(), dictionaryInfo);
338 Log.w(LOG, "dictDir is not a diretory: " + getDictDir().getPath());
340 if (!toAddSorted.isEmpty()) {
341 Collections.sort(toAddSorted, uncompressedFilenameComparator);
342 newDictionaryConfig.dictionaryFilesOrdered.addAll(toAddSorted);
345 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, newDictionaryConfig);
346 synchronized (this) {
347 dictionaryConfig = newDictionaryConfig;
351 onUpdateFinished.run();
352 } catch (Exception e) {
353 Log.e(LOG, "Exception running callback.", e);
358 public synchronized List<DictionaryInfo> getUsableDicts() {
359 final List<DictionaryInfo> result = new ArrayList<DictionaryInfo>(dictionaryConfig.dictionaryFilesOrdered.size());
360 for (final String uncompressedFilename : dictionaryConfig.dictionaryFilesOrdered) {
361 final DictionaryInfo dictionaryInfo = dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename);
362 if (dictionaryInfo != null) {
363 result.add(dictionaryInfo);
369 public synchronized List<DictionaryInfo> getAllDictionaries() {
370 final List<DictionaryInfo> result = getUsableDicts();
372 // The downloadable ones.
373 final Map<String,DictionaryInfo> remaining = new LinkedHashMap<String, DictionaryInfo>(DOWNLOADABLE_NAME_TO_INFO);
374 remaining.keySet().removeAll(dictionaryConfig.dictionaryFilesOrdered);
375 final List<DictionaryInfo> toAddSorted = new ArrayList<DictionaryInfo>(remaining.values());
376 Collections.sort(toAddSorted, dictionaryInfoComparator);
377 result.addAll(toAddSorted);
382 public synchronized boolean isDictionaryOnDevice(String uncompressedFilename) {
383 return dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename) != null;
386 public boolean updateAvailable(final DictionaryInfo dictionaryInfo) {
387 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(dictionaryInfo.uncompressedFilename);
388 return downloadable != null && downloadable.creationMillis > dictionaryInfo.creationMillis;
391 public DictionaryInfo getDownloadable(final String uncompressedFilename) {
392 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);