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.preferences));
145 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
146 public boolean onMenuItemClick(final MenuItem menuItem) {
147 PreferenceActivity.prefsMightHaveChanged = true;
148 final Intent intent = new Intent().setClassName(PreferenceActivity.class
149 .getPackage().getName(), PreferenceActivity.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);
194 String defaultLangISO2 = Locale.getDefault().getLanguage().toLowerCase();
195 String defaultLangName = null;
196 final Map<String, String> fileToNameCache = new LinkedHashMap<String, String>();
198 public String getLanguageName(final String isoCode) {
199 final Language.LanguageResources languageResources = Language.isoCodeToResources.get(isoCode);
200 final String lang = languageResources != null ? getApplicationContext().getString(languageResources.nameId) : isoCode;
205 public synchronized String getDictionaryName(final String uncompressedFilename) {
206 final String currentLocale = Locale.getDefault().getLanguage().toLowerCase();
207 if (!currentLocale.equals(defaultLangISO2)) {
208 defaultLangISO2 = currentLocale;
209 fileToNameCache.clear();
210 defaultLangName = null;
212 if (defaultLangName == null) {
213 defaultLangName = getLanguageName(defaultLangISO2);
216 String name = fileToNameCache.get(uncompressedFilename);
221 final DictionaryInfo dictionaryInfo = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);
222 if (dictionaryInfo != null) {
223 final StringBuilder nameBuilder = new StringBuilder();
225 // Hack to put the default locale first in the name.
226 boolean swapped = false;
227 if (dictionaryInfo.indexInfos.size() > 1 &&
228 dictionaryInfo.indexInfos.get(1).shortName.toLowerCase().equals(defaultLangISO2)) {
229 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
232 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
234 nameBuilder.append("-");
236 nameBuilder.append(getLanguageName(dictionaryInfo.indexInfos.get(i).shortName));
239 ListUtil.swap(dictionaryInfo.indexInfos, 0, 1);
241 name = nameBuilder.toString();
243 name = uncompressedFilename.replace(".quickdic", "");
245 fileToNameCache.put(uncompressedFilename, name);
249 public synchronized void moveDictionaryToTop(final DictionaryInfo dictionaryInfo) {
250 dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename);
251 dictionaryConfig.dictionaryFilesOrdered.add(0, dictionaryInfo.uncompressedFilename);
252 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
255 public synchronized void deleteDictionary(final DictionaryInfo dictionaryInfo) {
256 while (dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename)) {};
257 dictionaryConfig.dictionaryInfoCache.remove(dictionaryInfo.uncompressedFilename);
258 getPath(dictionaryInfo.uncompressedFilename).delete();
259 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
262 final Collator collator = Collator.getInstance();
263 final Comparator<String> uncompressedFilenameComparator = new Comparator<String>() {
265 public int compare(String uncompressedFilename1, String uncompressedFilename2) {
266 final String name1 = getDictionaryName(uncompressedFilename1);
267 final String name2 = getDictionaryName(uncompressedFilename2);
268 if (defaultLangName.length() > 0) {
269 if (name1.startsWith(defaultLangName) && !name2.startsWith(defaultLangName)) {
271 } else if (name2.startsWith(defaultLangName) && !name1.startsWith(defaultLangName)) {
275 return collator.compare(name1, name2);
278 final Comparator<DictionaryInfo> dictionaryInfoComparator = new Comparator<DictionaryInfo>() {
280 public int compare(DictionaryInfo d1, DictionaryInfo d2) {
281 // Single-index dictionaries first.
282 if (d1.indexInfos.size() != d2.indexInfos.size()) {
283 return d1.indexInfos.size() - d2.indexInfos.size();
285 return uncompressedFilenameComparator.compare(d1.uncompressedFilename, d2.uncompressedFilename);
289 public void backgroundUpdateDictionaries(final Runnable onUpdateFinished) {
290 new Thread(new Runnable() {
293 final DictionaryConfig oldDictionaryConfig = new DictionaryConfig();
295 oldDictionaryConfig.dictionaryFilesOrdered.addAll(dictionaryConfig.dictionaryFilesOrdered);
297 final DictionaryConfig newDictionaryConfig = new DictionaryConfig();
298 for (final String uncompressedFilename : oldDictionaryConfig.dictionaryFilesOrdered) {
299 final File dictFile = getPath(uncompressedFilename);
300 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(dictFile);
301 if (dictionaryInfo != null) {
302 newDictionaryConfig.dictionaryFilesOrdered.add(uncompressedFilename);
303 newDictionaryConfig.dictionaryInfoCache.put(uncompressedFilename, dictionaryInfo);
307 // Are there dictionaries on the device that we didn't know about already?
308 // Pick them up and put them at the end of the list.
309 final List<String> toAddSorted = new ArrayList<String>();
310 final File[] dictDirFiles = getDictDir().listFiles();
311 if (dictDirFiles != null) {
312 for (final File file : dictDirFiles) {
313 if (file.getName().endsWith(".zip")) {
314 if (DOWNLOADABLE_NAME_TO_INFO.containsKey(file.getName().replace(".zip", ""))) {
318 if (!file.getName().endsWith(".quickdic")) {
321 if (newDictionaryConfig.dictionaryInfoCache.containsKey(file.getName())) {
322 // We have it in our list already.
325 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(file);
326 if (dictionaryInfo == null) {
327 Log.e(LOG, "Unable to parse dictionary: " + file.getPath());
331 toAddSorted.add(file.getName());
332 newDictionaryConfig.dictionaryInfoCache.put(file.getName(), dictionaryInfo);
335 Log.w(LOG, "dictDir is not a diretory: " + getDictDir().getPath());
337 if (!toAddSorted.isEmpty()) {
338 Collections.sort(toAddSorted, uncompressedFilenameComparator);
339 newDictionaryConfig.dictionaryFilesOrdered.addAll(toAddSorted);
342 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, newDictionaryConfig);
343 synchronized (this) {
344 dictionaryConfig = newDictionaryConfig;
348 onUpdateFinished.run();
349 } catch (Exception e) {
350 Log.e(LOG, "Exception running callback.", e);
355 public synchronized List<DictionaryInfo> getUsableDicts() {
356 final List<DictionaryInfo> result = new ArrayList<DictionaryInfo>(dictionaryConfig.dictionaryFilesOrdered.size());
357 for (final String uncompressedFilename : dictionaryConfig.dictionaryFilesOrdered) {
358 final DictionaryInfo dictionaryInfo = dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename);
359 if (dictionaryInfo != null) {
360 result.add(dictionaryInfo);
366 public synchronized List<DictionaryInfo> getAllDictionaries() {
367 final List<DictionaryInfo> result = getUsableDicts();
369 // The downloadable ones.
370 final Map<String,DictionaryInfo> remaining = new LinkedHashMap<String, DictionaryInfo>(DOWNLOADABLE_NAME_TO_INFO);
371 remaining.keySet().removeAll(dictionaryConfig.dictionaryFilesOrdered);
372 final List<DictionaryInfo> toAddSorted = new ArrayList<DictionaryInfo>(remaining.values());
373 Collections.sort(toAddSorted, dictionaryInfoComparator);
374 result.addAll(toAddSorted);
379 public synchronized boolean isDictionaryOnDevice(String uncompressedFilename) {
380 return dictionaryConfig.dictionaryInfoCache.get(uncompressedFilename) != null;
383 public boolean updateAvailable(final DictionaryInfo dictionaryInfo) {
384 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(dictionaryInfo.uncompressedFilename);
385 return downloadable != null && downloadable.creationMillis > dictionaryInfo.creationMillis;
388 public DictionaryInfo getDownloadable(final String uncompressedFilename) {
389 final DictionaryInfo downloadable = DOWNLOADABLE_NAME_TO_INFO.get(uncompressedFilename);