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.os.Build;
24 import android.os.Environment;
25 import android.preference.PreferenceManager;
26 import android.support.v4.view.MenuItemCompat;
27 import android.util.Log;
28 import android.util.TypedValue;
29 import android.view.Menu;
30 import android.view.MenuItem;
31 import android.view.MenuItem.OnMenuItemClickListener;
32 import android.view.View;
33 import android.widget.Button;
34 import android.widget.ImageButton;
35 import android.widget.ImageView.ScaleType;
36 import android.widget.LinearLayout;
37 import android.widget.Toast;
39 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
40 import com.hughes.android.dictionary.engine.Dictionary;
41 import com.hughes.android.dictionary.engine.Language;
42 import com.hughes.android.dictionary.engine.Language.LanguageResources;
43 import com.hughes.android.dictionary.engine.TransliteratorManager;
44 import com.hughes.android.util.PersistentObjectCache;
45 import com.hughes.util.ListUtil;
46 import java.text.Collator;
48 import java.io.BufferedReader;
50 import java.io.IOException;
51 import java.io.InputStreamReader;
52 import java.io.Serializable;
53 import java.util.ArrayList;
54 import java.util.Collections;
55 import java.util.Comparator;
56 import java.util.HashMap;
57 import java.util.List;
58 import java.util.Locale;
61 public enum DictionaryApplication {
64 private Context appContext;
66 static final String LOG = "QuickDicApp";
68 // If set to false, avoid use of ICU collator
69 // Works well enough for most european languages,
70 // gives faster startup and avoids crashes on some
71 // devices due to Dalvik bugs (e.g. ARMv6, S5570i, CM11)
73 // Leave it enabled by default for correctness except
74 // for my known broken development/performance test device config.
75 //static public final boolean USE_COLLATOR = !android.os.Build.FINGERPRINT.equals("Samsung/cm_tassve/tassve:4.4.4/KTU84Q/20150211:userdebug/release-keys");
76 static public final boolean USE_COLLATOR = true;
78 static public final TransliteratorManager.ThreadSetup threadBackground = new TransliteratorManager.ThreadSetup() {
80 public void onThreadStart() {
81 // THREAD_PRIORITY_BACKGROUND seemed like a good idea, but it
82 // can make Transliterator go from 20 seconds to 3 minutes (!)
83 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_LESS_FAVORABLE);
87 // Static, determined by resources (and locale).
89 static Map<String, DictionaryInfo> DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO = null;
92 DEFAULT(R.style.Theme_Default,
93 R.style.Theme_Default_TokenRow_Fg,
94 R.color.theme_default_token_row_fg,
95 R.drawable.theme_default_token_row_main_bg,
96 R.drawable.theme_default_token_row_other_bg,
97 R.drawable.theme_default_normal_row_bg),
99 LIGHT(R.style.Theme_Light,
100 R.style.Theme_Light_TokenRow_Fg,
101 R.color.theme_light_token_row_fg,
102 R.drawable.theme_light_token_row_main_bg,
103 R.drawable.theme_light_token_row_other_bg,
104 R.drawable.theme_light_normal_row_bg);
106 Theme(final int themeId, final int tokenRowFg,
107 final int tokenRowFgColor,
108 final int tokenRowMainBg, final int tokenRowOtherBg,
109 final int normalRowBg) {
110 this.themeId = themeId;
111 this.tokenRowFg = tokenRowFg;
112 this.tokenRowFgColor = tokenRowFgColor;
113 this.tokenRowMainBg = tokenRowMainBg;
114 this.tokenRowOtherBg = tokenRowOtherBg;
115 this.normalRowBg = normalRowBg;
119 final int tokenRowFg;
120 final int tokenRowFgColor;
121 final int tokenRowMainBg;
122 final int tokenRowOtherBg;
123 final int normalRowBg;
126 public static final class DictionaryConfig implements Serializable {
127 private static final long serialVersionUID = -1444177164708201263L;
128 // User-ordered list, persisted, just the ones that are/have been
130 final List<String> dictionaryFilesOrdered = new ArrayList<String>();
132 final Map<String, DictionaryInfo> uncompressedFilenameToDictionaryInfo = new HashMap<String, DictionaryInfo>();
135 * Sometimes a deserialized version of this data structure isn't valid.
139 return uncompressedFilenameToDictionaryInfo != null && dictionaryFilesOrdered != null;
143 DictionaryConfig dictionaryConfig = null;
145 public int languageButtonPixels = -1;
147 static synchronized void staticInit(final Context context) {
148 if (DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO != null) {
151 DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO = new HashMap<String, DictionaryInfo>();
152 final BufferedReader reader = new BufferedReader(
153 new InputStreamReader(context.getResources().openRawResource(R.raw.dictionary_info)));
156 while ((line = reader.readLine()) != null) {
157 if (line.length() == 0 || line.charAt(0) == '#') {
160 final DictionaryInfo dictionaryInfo = new DictionaryInfo(line);
161 DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO.put(
162 dictionaryInfo.uncompressedFilename, dictionaryInfo);
164 } catch (IOException e) {
165 Log.e(LOG, "Failed to load downloadable dictionary lists.", e);
169 } catch (IOException e) {}
172 private File dictDir;
174 public synchronized void init(Context c) {
175 if (appContext != null) {
176 assert c == appContext;
180 Log.d("QuickDic", "Application: onCreate");
181 TransliteratorManager.init(null, threadBackground);
182 staticInit(appContext);
184 languageButtonPixels = (int) TypedValue.applyDimension(
185 TypedValue.COMPLEX_UNIT_DIP, 60, appContext.getResources().getDisplayMetrics());
187 // Load the dictionaries we know about.
188 dictionaryConfig = PersistentObjectCache.init(appContext).read(
189 C.DICTIONARY_CONFIGS, DictionaryConfig.class);
190 if (dictionaryConfig == null) {
191 dictionaryConfig = new DictionaryConfig();
193 if (!dictionaryConfig.isValid()) {
194 dictionaryConfig = new DictionaryConfig();
198 appContext.setTheme(getSelectedTheme().themeId);
199 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(appContext);
200 prefs.registerOnSharedPreferenceChangeListener(new OnSharedPreferenceChangeListener() {
202 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
204 Log.d("QuickDic", "prefs changed: " + key);
205 if (key.equals(appContext.getString(R.string.themeKey))) {
206 appContext.setTheme(getSelectedTheme().themeId);
212 public static void onCreateGlobalOptionsMenu(
213 final Context context, final Menu menu) {
214 final Context c = context.getApplicationContext();
215 final MenuItem about = menu.add(c.getString(R.string.about));
216 MenuItemCompat.setShowAsAction(about, MenuItem.SHOW_AS_ACTION_NEVER);
217 about.setOnMenuItemClickListener(new OnMenuItemClickListener() {
218 public boolean onMenuItemClick(final MenuItem menuItem) {
219 final Intent intent = new Intent(c, AboutActivity.class);
220 context.startActivity(intent);
225 final MenuItem help = menu.add(c.getString(R.string.help));
226 MenuItemCompat.setShowAsAction(help, MenuItem.SHOW_AS_ACTION_NEVER);
227 help.setOnMenuItemClickListener(new OnMenuItemClickListener() {
228 public boolean onMenuItemClick(final MenuItem menuItem) {
229 context.startActivity(HtmlDisplayActivity.getHelpLaunchIntent(c));
234 final MenuItem preferences = menu.add(c.getString(R.string.settings));
235 MenuItemCompat.setShowAsAction(preferences, MenuItem.SHOW_AS_ACTION_NEVER);
236 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
237 public boolean onMenuItemClick(final MenuItem menuItem) {
238 PreferenceActivity.prefsMightHaveChanged = true;
239 final Intent intent = new Intent(c, PreferenceActivity.class);
240 context.startActivity(intent);
245 final MenuItem reportIssue = menu.add(c.getString(R.string.reportIssue));
246 MenuItemCompat.setShowAsAction(reportIssue, MenuItem.SHOW_AS_ACTION_NEVER);
247 reportIssue.setOnMenuItemClickListener(new OnMenuItemClickListener() {
248 public boolean onMenuItemClick(final MenuItem menuItem) {
249 final Intent intent = new Intent(Intent.ACTION_VIEW);
251 .parse("http://github.com/rdoeffinger/Dictionary/issues"));
252 context.startActivity(intent);
258 private String selectDefaultDir() {
259 final File defaultDictDir = new File(Environment.getExternalStorageDirectory(), "quickDic");
260 String dir = defaultDictDir.getAbsolutePath();
261 File dictDir = new File(dir);
262 String[] fileList = dictDir.isDirectory() ? dictDir.list() : null;
263 if (fileList != null && fileList.length > 0) {
268 efd = appContext.getExternalFilesDir(null);
269 } catch (Exception e) {
273 if (!dictDir.isDirectory() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
274 appContext.getExternalFilesDirs(null);
276 if (efd.isDirectory() && efd.canWrite() && checkFileCreate(efd)) {
277 return efd.getAbsolutePath();
280 if (!dictDir.isDirectory() && !dictDir.mkdirs()) {
281 return appContext.getFilesDir().getAbsolutePath();
286 public synchronized File getDictDir() {
287 // This metaphor doesn't work, because we've already reset
288 // prefsMightHaveChanged.
289 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(appContext);
290 String dir = prefs.getString(appContext.getString(R.string.quickdicDirectoryKey), "");
292 dir = selectDefaultDir();
294 dictDir = new File(dir);
296 if (!dictDir.isDirectory() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
297 appContext.getExternalFilesDirs(null);
302 static public boolean checkFileCreate(File dir) {
304 File testfile = new File(dir, "quickdic_writetest");
307 res = testfile.createNewFile() & testfile.delete();
308 } catch (Exception e) {
313 public File getWordListFile() {
314 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(appContext);
315 String file = prefs.getString(appContext.getString(R.string.wordListFileKey), "");
316 if (file.isEmpty()) {
317 return new File(getDictDir(), "wordList.txt");
319 return new File(file);
322 public Theme getSelectedTheme() {
323 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(appContext);
324 final String theme = prefs.getString(appContext.getString(R.string.themeKey), "themeLight");
325 if (theme.equals("themeLight")) {
328 return Theme.DEFAULT;
332 public File getPath(String uncompressedFilename) {
333 return new File(getDictDir(), uncompressedFilename);
336 String defaultLangISO2 = Locale.getDefault().getLanguage().toLowerCase();
337 String defaultLangName = null;
338 final Map<String, String> fileToNameCache = new HashMap<String, String>();
340 public List<IndexInfo> sortedIndexInfos(List<IndexInfo> indexInfos) {
341 // Hack to put the default locale first in the name.
342 if (indexInfos.size() > 1 &&
343 indexInfos.get(1).shortName.toLowerCase().equals(defaultLangISO2)) {
344 List<IndexInfo> result = new ArrayList<DictionaryInfo.IndexInfo>(indexInfos);
345 ListUtil.swap(result, 0, 1);
351 public synchronized String getDictionaryName(final String uncompressedFilename) {
352 final String currentLocale = Locale.getDefault().getLanguage().toLowerCase();
353 if (!currentLocale.equals(defaultLangISO2)) {
354 defaultLangISO2 = currentLocale;
355 fileToNameCache.clear();
356 defaultLangName = null;
358 if (defaultLangName == null) {
359 defaultLangName = IsoUtils.INSTANCE.isoCodeToLocalizedLanguageName(appContext, defaultLangISO2);
362 String name = fileToNameCache.get(uncompressedFilename);
367 final DictionaryInfo dictionaryInfo = DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO
368 .get(uncompressedFilename);
369 if (dictionaryInfo != null) {
370 final StringBuilder nameBuilder = new StringBuilder();
372 List<IndexInfo> sortedIndexInfos = sortedIndexInfos(dictionaryInfo.indexInfos);
373 for (int i = 0; i < sortedIndexInfos.size(); ++i) {
375 nameBuilder.append("-");
378 .append(IsoUtils.INSTANCE.isoCodeToLocalizedLanguageName(appContext, sortedIndexInfos.get(i).shortName));
380 name = nameBuilder.toString();
382 name = uncompressedFilename.replace(".quickdic", "");
384 fileToNameCache.put(uncompressedFilename, name);
388 public synchronized void moveDictionaryToTop(final DictionaryInfo dictionaryInfo) {
389 dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename);
390 dictionaryConfig.dictionaryFilesOrdered.add(0, dictionaryInfo.uncompressedFilename);
391 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
394 public synchronized void sortDictionaries() {
395 Collections.sort(dictionaryConfig.dictionaryFilesOrdered, uncompressedFilenameComparator);
396 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
399 public synchronized void deleteDictionary(final DictionaryInfo dictionaryInfo) {
400 while (dictionaryConfig.dictionaryFilesOrdered.remove(dictionaryInfo.uncompressedFilename)) {
402 dictionaryConfig.uncompressedFilenameToDictionaryInfo
403 .remove(dictionaryInfo.uncompressedFilename);
404 getPath(dictionaryInfo.uncompressedFilename).delete();
405 PersistentObjectCache.getInstance().write(C.DICTIONARY_CONFIGS, dictionaryConfig);
408 final Comparator collator = USE_COLLATOR ? Collator.getInstance() : String.CASE_INSENSITIVE_ORDER;
409 final Comparator<String> uncompressedFilenameComparator = new Comparator<String>() {
411 public int compare(String uncompressedFilename1, String uncompressedFilename2) {
412 final String name1 = getDictionaryName(uncompressedFilename1);
413 final String name2 = getDictionaryName(uncompressedFilename2);
414 if (defaultLangName.length() > 0) {
415 if (name1.startsWith(defaultLangName + "-")
416 && !name2.startsWith(defaultLangName + "-")) {
418 } else if (name2.startsWith(defaultLangName + "-")
419 && !name1.startsWith(defaultLangName + "-")) {
423 return collator.compare(name1, name2);
426 final Comparator<DictionaryInfo> dictionaryInfoComparator = new Comparator<DictionaryInfo>() {
428 public int compare(DictionaryInfo d1, DictionaryInfo d2) {
429 // Single-index dictionaries first.
430 if (d1.indexInfos.size() != d2.indexInfos.size()) {
431 return d1.indexInfos.size() - d2.indexInfos.size();
433 return uncompressedFilenameComparator.compare(d1.uncompressedFilename,
434 d2.uncompressedFilename);
438 public void backgroundUpdateDictionaries(final Runnable onUpdateFinished) {
439 new Thread(new Runnable() {
442 final DictionaryConfig oldDictionaryConfig = new DictionaryConfig();
443 synchronized (DictionaryApplication.this) {
444 oldDictionaryConfig.dictionaryFilesOrdered
445 .addAll(dictionaryConfig.dictionaryFilesOrdered);
447 final DictionaryConfig newDictionaryConfig = new DictionaryConfig();
448 for (final String uncompressedFilename : oldDictionaryConfig.dictionaryFilesOrdered) {
449 final File dictFile = getPath(uncompressedFilename);
450 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(dictFile);
451 if (dictionaryInfo.isValid() || dictFile.exists()) {
452 newDictionaryConfig.dictionaryFilesOrdered.add(uncompressedFilename);
453 newDictionaryConfig.uncompressedFilenameToDictionaryInfo.put(
454 uncompressedFilename, dictionaryInfo);
458 // Are there dictionaries on the device that we didn't know
460 // Pick them up and put them at the end of the list.
461 final List<String> toAddSorted = new ArrayList<String>();
462 final File[] dictDirFiles = getDictDir().listFiles();
463 if (dictDirFiles != null) {
464 for (final File file : dictDirFiles) {
465 if (file.getName().endsWith(".zip")) {
466 if (DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO
467 .containsKey(file.getName().replace(".zip", ""))) {
471 if (!file.getName().endsWith(".quickdic")) {
474 if (newDictionaryConfig.uncompressedFilenameToDictionaryInfo
475 .containsKey(file.getName())) {
476 // We have it in our list already.
479 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(file);
480 if (!dictionaryInfo.isValid()) {
481 Log.e(LOG, "Unable to parse dictionary: " + file.getPath());
484 toAddSorted.add(file.getName());
485 newDictionaryConfig.uncompressedFilenameToDictionaryInfo.put(
486 file.getName(), dictionaryInfo);
489 Log.w(LOG, "dictDir is not a directory: " + getDictDir().getPath());
491 if (!toAddSorted.isEmpty()) {
492 Collections.sort(toAddSorted, uncompressedFilenameComparator);
493 newDictionaryConfig.dictionaryFilesOrdered.addAll(toAddSorted);
497 PersistentObjectCache.getInstance()
498 .write(C.DICTIONARY_CONFIGS, newDictionaryConfig);
499 } catch (Exception e) {
500 Log.e(LOG, "Failed persisting dictionary configs", e);
503 synchronized (DictionaryApplication.this) {
504 dictionaryConfig = newDictionaryConfig;
508 onUpdateFinished.run();
509 } catch (Exception e) {
510 Log.e(LOG, "Exception running callback.", e);
516 public boolean matchesFilters(final DictionaryInfo dictionaryInfo, final String[] filters) {
517 if (filters == null) {
520 for (final String filter : filters) {
521 if (!getDictionaryName(dictionaryInfo.uncompressedFilename).toLowerCase().contains(
529 public synchronized List<DictionaryInfo> getDictionariesOnDevice(String[] filters) {
530 final List<DictionaryInfo> result = new ArrayList<DictionaryInfo>(
531 dictionaryConfig.dictionaryFilesOrdered.size());
532 for (final String uncompressedFilename : dictionaryConfig.dictionaryFilesOrdered) {
533 final DictionaryInfo dictionaryInfo = dictionaryConfig.uncompressedFilenameToDictionaryInfo
534 .get(uncompressedFilename);
535 if (dictionaryInfo != null && matchesFilters(dictionaryInfo, filters)) {
536 result.add(dictionaryInfo);
542 public List<DictionaryInfo> getDownloadableDictionaries(String[] filters) {
543 final List<DictionaryInfo> result = new ArrayList<DictionaryInfo>(
544 dictionaryConfig.dictionaryFilesOrdered.size());
546 final Map<String, DictionaryInfo> remaining = new HashMap<String, DictionaryInfo>(
547 DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO);
548 remaining.keySet().removeAll(dictionaryConfig.dictionaryFilesOrdered);
549 for (final DictionaryInfo dictionaryInfo : remaining.values()) {
550 if (matchesFilters(dictionaryInfo, filters)) {
551 result.add(dictionaryInfo);
554 Collections.sort(result, dictionaryInfoComparator);
558 public synchronized boolean isDictionaryOnDevice(String uncompressedFilename) {
559 return dictionaryConfig.uncompressedFilenameToDictionaryInfo.get(uncompressedFilename) != null;
562 public boolean updateAvailable(final DictionaryInfo dictionaryInfo) {
563 final DictionaryInfo downloadable =
564 DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO.get(
565 dictionaryInfo.uncompressedFilename);
566 return downloadable != null &&
567 downloadable.creationMillis > dictionaryInfo.creationMillis;
570 public DictionaryInfo getDownloadable(final String uncompressedFilename) {
571 final DictionaryInfo downloadable = DOWNLOADABLE_UNCOMPRESSED_FILENAME_NAME_TO_DICTIONARY_INFO
572 .get(uncompressedFilename);