src/com/hughes/android/dictionary/DictionaryActivity.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2 // Some Parts Copyright 2013 Dominik Köppl
   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
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   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.
  14
  15 package com.hughes.android.dictionary;
  16
  17 import android.annotation.SuppressLint;
  18 import android.app.Dialog;
  19 import android.app.SearchManager;
  20 import android.content.Context;
  21 import android.content.Intent;
  22 import android.content.SharedPreferences;
  23 import android.content.pm.PackageManager;
  24 import android.graphics.Color;
  25 import android.graphics.Typeface;
  26 import android.net.Uri;
  27 import android.os.Bundle;
  28 import android.os.Handler;
  29 import android.preference.PreferenceManager;
  30 import android.speech.tts.TextToSpeech;
  31 import android.speech.tts.TextToSpeech.OnInitListener;
  32 import android.support.design.widget.FloatingActionButton;
  33 import android.support.v4.view.MenuItemCompat;
  34 import android.support.v7.app.ActionBar;
  35 import android.support.v7.app.ActionBarActivity;
  36 import android.support.v7.widget.SearchView;
  37 import android.support.v7.widget.SearchView.OnQueryTextListener;
  38 import android.support.v7.widget.Toolbar;
  39 import android.text.ClipboardManager;
  40 import android.text.InputType;
  41 import android.text.Spannable;
  42 import android.text.method.LinkMovementMethod;
  43 import android.text.style.ClickableSpan;
  44 import android.text.style.StyleSpan;
  45 import android.util.DisplayMetrics;
  46 import android.util.Log;
  47 import android.util.TypedValue;
  48 import android.view.ContextMenu;
  49 import android.view.ContextMenu.ContextMenuInfo;
  50 import android.view.Gravity;
  51 import android.view.KeyEvent;
  52 import android.view.Menu;
  53 import android.view.MenuItem;
  54 import android.view.MenuItem.OnMenuItemClickListener;
  55 import android.view.MotionEvent;
  56 import android.view.View;
  57 import android.view.View.OnClickListener;
  58 import android.view.View.OnLongClickListener;
  59 import android.view.ViewGroup;
  60 import android.view.WindowManager;
  61 import android.view.inputmethod.EditorInfo;
  62 import android.view.inputmethod.InputMethodManager;
  63 import android.widget.AdapterView;
  64 import android.widget.AdapterView.AdapterContextMenuInfo;
  65 import android.widget.AdapterView.OnItemClickListener;
  66 import android.widget.BaseAdapter;
  67 import android.widget.Button;
  68 import android.widget.FrameLayout;
  69 import android.widget.ImageButton;
  70 import android.widget.ImageView;
  71 import android.widget.ImageView.ScaleType;
  72 import android.widget.LinearLayout;
  73 import android.widget.ListAdapter;
  74 import android.widget.ListView;
  75 import android.widget.TableLayout;
  76 import android.widget.TableRow;
  77 import android.widget.TextView;
  78 import android.widget.TextView.BufferType;
  79 import android.widget.Toast;
  80
  81 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  82 import com.hughes.android.dictionary.engine.Dictionary;
  83 import com.hughes.android.dictionary.engine.EntrySource;
  84 import com.hughes.android.dictionary.engine.HtmlEntry;
  85 import com.hughes.android.dictionary.engine.Index;
  86 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  87 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  88 import com.hughes.android.dictionary.engine.PairEntry;
  89 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  90 import com.hughes.android.dictionary.engine.RowBase;
  91 import com.hughes.android.dictionary.engine.TokenRow;
  92 import com.hughes.android.dictionary.engine.TransliteratorManager;
  93 import com.hughes.android.util.IntentLauncher;
  94 import com.hughes.android.util.NonLinkClickableSpan;
  95 import com.hughes.util.StringUtil;
  96
  97 import java.io.File;
  98 import java.io.FileWriter;
  99 import java.io.IOException;
 100 import java.io.PrintWriter;
 101 import java.io.RandomAccessFile;
 102 import java.text.SimpleDateFormat;
 103 import java.util.Arrays;
 104 import java.util.Collections;
 105 import java.util.Date;
 106 import java.util.HashMap;
 107 import java.util.LinkedHashSet;
 108 import java.util.List;
 109 import java.util.Locale;
 110 import java.util.Random;
 111 import java.util.Set;
 112 import java.util.concurrent.Executor;
 113 import java.util.concurrent.ExecutorService;
 114 import java.util.concurrent.Executors;
 115 import java.util.concurrent.ThreadFactory;
 116 import java.util.concurrent.atomic.AtomicBoolean;
 117 import java.util.regex.Matcher;
 118 import java.util.regex.Pattern;
 119
 120 public class DictionaryActivity extends ActionBarActivity {
 121
 122     static final String LOG = "QuickDic";
 123
 124     DictionaryApplication application;
 125
 126     File dictFile = null;
 127     RandomAccessFile dictRaf = null;
 128
 129     Dictionary dictionary = null;
 130
 131     int indexIndex = 0;
 132
 133     Index index = null;
 134
 135     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 136
 137     final Random rand = new Random();
 138
 139     final Handler uiHandler = new Handler();
 140
 141     private final ExecutorService searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 142         @Override
 143         public Thread newThread(Runnable r) {
 144             return new Thread(r, "searchExecutor");
 145         }
 146     });
 147
 148     private SearchOperation currentSearchOperation = null;
 149
 150     TextToSpeech textToSpeech;
 151     volatile boolean ttsReady;
 152
 153     Typeface typeface;
 154     DictionaryApplication.Theme theme = DictionaryApplication.Theme.LIGHT;
 155     int textColorFg = Color.BLACK;
 156     int fontSizeSp;
 157
 158     private ListView listView;
 159     private ListView getListView() {
 160         if (listView == null) {
 161             listView = (ListView)findViewById(android.R.id.list);
 162         }
 163         return listView;
 164     }
 165
 166     private void setListAdapter(ListAdapter adapter) {
 167         getListView().setAdapter(adapter);
 168     }
 169
 170     private ListAdapter getListAdapter() {
 171         return getListView().getAdapter();
 172     }
 173
 174     SearchView searchView;
 175     ImageButton languageButton;
 176     SearchView.OnQueryTextListener onQueryTextListener;
 177
 178     MenuItem nextWordMenuItem, previousWordMenuItem, randomWordMenuItem;
 179
 180     // Never null.
 181     private File wordList = null;
 182     private boolean saveOnlyFirstSubentry = false;
 183     private boolean clickOpensContextMenu = false;
 184
 185     // Visible for testing.
 186     ListAdapter indexAdapter = null;
 187
 188     /**
 189      * For some languages, loading the transliterators used in this search takes
 190      * a long time, so we fire it up on a different thread, and don't invoke it
 191      * from the main thread until it's already finished once.
 192      */
 193     private volatile boolean indexPrepFinished = false;
 194
 195     public DictionaryActivity() {
 196     }
 197
 198     public static Intent getLaunchIntent(Context c, final File dictFile, final String indexShortName,
 199                                          final String searchToken) {
 200         final Intent intent = new Intent(c, DictionaryActivity.class);
 201         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 202         intent.putExtra(C.INDEX_SHORT_NAME, indexShortName);
 203         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 204         intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
 205         return intent;
 206     }
 207
 208     @Override
 209     protected void onSaveInstanceState(final Bundle outState) {
 210         super.onSaveInstanceState(outState);
 211         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 212         outState.putString(C.INDEX_SHORT_NAME, index.shortName);
 213         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 214     }
 215
 216     private int getMatchLen(String search, Index.IndexEntry e) {
 217         if (e == null) return 0;
 218         for (int i = 0; i < search.length(); ++i) {
 219             String a = search.substring(0, i + 1);
 220             String b = e.token.substring(0, i + 1);
 221             if (!a.equalsIgnoreCase(b))
 222                 return i;
 223         }
 224         return search.length();
 225     }
 226
 227     @Override
 228     public void onCreate(Bundle savedInstanceState) {
 229         DictionaryApplication.INSTANCE.init(getApplicationContext());
 230         application = DictionaryApplication.INSTANCE;
 231         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 232         // doesn't makes the background of the actionbar white when you're
 233         // in the dark theme.
 234         setTheme(application.getSelectedTheme().themeId);
 235
 236         Log.d(LOG, "onCreate:" + this);
 237         super.onCreate(savedInstanceState);
 238
 239         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 240
 241         // Don't auto-launch if this fails.
 242         prefs.edit().remove(C.DICT_FILE).commit();
 243
 244         setContentView(R.layout.dictionary_activity);
 245
 246         theme = application.getSelectedTheme();
 247         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 248
 249         final Intent intent = getIntent();
 250         String intentAction = intent.getAction();
 251         /**
 252          * @author Dominik Köppl Querying the Intent
 253          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 254          *         Arguments: SearchManager.QUERY -> the phrase to search from
 255          *         -> language in which the phrase is written to -> to which
 256          *         language shall be translated
 257          */
 258         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT")) {
 259             String query = intent.getStringExtra(SearchManager.QUERY);
 260             String from = intent.getStringExtra("from");
 261             if (from != null)
 262                 from = from.toLowerCase(Locale.US);
 263             String to = intent.getStringExtra("to");
 264             if (to != null)
 265                 to = to.toLowerCase(Locale.US);
 266             if (query != null) {
 267                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 268             }
 269             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null)) {
 270                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 271                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 272                 for (DictionaryInfo info : dicts) {
 273                     boolean hasFrom = from == null;
 274                     boolean hasTo = to == null;
 275                     for (IndexInfo index : info.indexInfos) {
 276                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 277                             hasFrom = true;
 278                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 279                             hasTo = true;
 280                     }
 281                     if (hasFrom && hasTo) {
 282                         if (from != null) {
 283                             int which_index = 0;
 284                             for (; which_index < info.indexInfos.size(); ++which_index) {
 285                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 286                                             Locale.US).equals(from))
 287                                     break;
 288                             }
 289                             intent.putExtra(C.INDEX_SHORT_NAME,
 290                                             info.indexInfos.get(which_index).shortName);
 291
 292                         }
 293                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 294                                         .toString());
 295                         break;
 296                     }
 297                 }
 298
 299             }
 300         }
 301         /**
 302          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 303          *         simple query Arguments follow from android standard (see
 304          *         documentation)
 305          */
 306         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH)) {
 307             String query = intent.getStringExtra(SearchManager.QUERY);
 308             if (query != null)
 309                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 310         }
 311         if (intentAction != null && intentAction.equals(Intent.ACTION_SEND)) {
 312             String query = intent.getStringExtra(Intent.EXTRA_TEXT);
 313             if (query != null)
 314                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 315         }
 316         /*
 317          * This processes text on M+ devices where QuickDic shows up in the context menu.
 318          */
 319         if (intentAction != null && intentAction.equals(Intent.ACTION_PROCESS_TEXT)) {
 320             String query = intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT);
 321             if (query != null) {
 322                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 323             }
 324         }
 325         /**
 326          * @author Dominik Köppl If no dictionary is chosen, use the default
 327          *         dictionary specified in the preferences If this step does
 328          *         fail (no default dictionary specified), show a toast and
 329          *         abort.
 330          */
 331         if (intent.getStringExtra(C.DICT_FILE) == null) {
 332             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 333             if (dictfile != null)
 334                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 335         }
 336         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 337         if (dictFilename == null && intent.getStringExtra(C.SEARCH_TOKEN) != null) {
 338             final List<DictionaryInfo> dics = application.getDictionariesOnDevice(null);
 339             final String search = intent.getStringExtra(C.SEARCH_TOKEN);
 340             String bestFname = null;
 341             String bestIndex = null;
 342             int bestMatchLen = 2; // ignore shorter matches
 343             AtomicBoolean dummy = new AtomicBoolean();
 344             for (int i = 0; dictFilename == null && i < dics.size(); ++i) {
 345                 try {
 346                     Log.d(LOG, "Checking dictionary " + dics.get(i).uncompressedFilename);
 347                     final File dictfile = application.getPath(dics.get(i).uncompressedFilename);
 348                     Dictionary dic = new Dictionary(new RandomAccessFile(dictfile, "r"));
 349                     for (int j = 0; j < dic.indices.size(); ++j) {
 350                         Index idx = dic.indices.get(j);
 351                         Log.d(LOG, "Checking index " + idx.shortName);
 352                         if (idx.findExact(search) != null) {
 353                             Log.d(LOG, "Found exact match");
 354                             dictFilename = dictfile.toString();
 355                             intent.putExtra(C.INDEX_SHORT_NAME, idx.shortName);
 356                             break;
 357                         }
 358                         int matchLen = getMatchLen(search, idx.findInsertionPoint(search, dummy));
 359                         Log.d(LOG, "Found partial match length " + matchLen);
 360                         if (matchLen > bestMatchLen) {
 361                             bestFname = dictfile.toString();
 362                             bestIndex = idx.shortName;
 363                             bestMatchLen = matchLen;
 364                         }
 365                     }
 366                 } catch (Exception e) {}
 367             }
 368             if (dictFilename == null && bestFname != null) {
 369                 dictFilename = bestFname;
 370                 intent.putExtra(C.INDEX_SHORT_NAME, bestIndex);
 371             }
 372         }
 373
 374         if (dictFilename == null) {
 375             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 376             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 377             finish();
 378             return;
 379         }
 380         if (dictFilename != null)
 381             dictFile = new File(dictFilename);
 382
 383         ttsReady = false;
 384         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 385             @Override
 386             public void onInit(int status) {
 387                 ttsReady = true;
 388                 updateTTSLanguage(indexIndex);
 389             }
 390         });
 391
 392         try {
 393             final String name = application.getDictionaryName(dictFile.getName());
 394             this.setTitle("QuickDic: " + name);
 395             dictRaf = new RandomAccessFile(dictFile, "r");
 396             dictionary = new Dictionary(dictRaf);
 397         } catch (Exception e) {
 398             Log.e(LOG, "Unable to load dictionary.", e);
 399             if (dictRaf != null) {
 400                 try {
 401                     dictRaf.close();
 402                 } catch (IOException e1) {
 403                     Log.e(LOG, "Unable to close dictRaf.", e1);
 404                 }
 405                 dictRaf = null;
 406             }
 407             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 408                            Toast.LENGTH_LONG).show();
 409             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 410             finish();
 411             return;
 412         }
 413         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 414         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 415             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 416         }
 417         indexIndex = 0;
 418         for (int i = 0; i < dictionary.indices.size(); ++i) {
 419             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 420                 indexIndex = i;
 421                 break;
 422             }
 423         }
 424         Log.d(LOG, "Loading index " + indexIndex);
 425         index = dictionary.indices.get(indexIndex);
 426         getListView().setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
 427         getListView().setEmptyView(findViewById(android.R.id.empty));
 428         getListView().setOnItemClickListener(new OnItemClickListener() {
 429             @Override
 430             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 431                 onListItemClick(getListView(), view, row, id);
 432             }
 433         });
 434
 435         setListAdapter(new IndexAdapter(index));
 436
 437         // Pre-load the Transliterator (will spawn its own thread)
 438         TransliteratorManager.init(new TransliteratorManager.Callback() {
 439             @Override
 440             public void onTransliteratorReady() {
 441                 uiHandler.post(new Runnable() {
 442                     @Override
 443                     public void run() {
 444                         onSearchTextChange(searchView.getQuery().toString());
 445                     }
 446                 });
 447             }
 448         }, DictionaryApplication.threadBackground);
 449
 450         // Pre-load the collators.
 451         new Thread(new Runnable() {
 452             public void run() {
 453                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_LESS_FAVORABLE);
 454                 final long startMillis = System.currentTimeMillis();
 455                 try {
 456                     for (final Index index : dictionary.indices) {
 457                         final String searchToken = index.sortedIndexEntries.get(0).token;
 458                         final IndexEntry entry = index.findExact(searchToken);
 459                         if (entry == null || !searchToken.equals(entry.token)) {
 460                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 461                         }
 462                     }
 463                     indexPrepFinished = true;
 464                 } catch (Exception e) {
 465                     Log.w(LOG,
 466                           "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 467                 }
 468                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 469             }
 470         }).start();
 471
 472         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 473         if ("SYSTEM".equals(fontName)) {
 474             typeface = Typeface.DEFAULT;
 475         } else if ("SERIF".equals(fontName)) {
 476             typeface = Typeface.SERIF;
 477         } else if ("SANS_SERIF".equals(fontName)) {
 478             typeface = Typeface.SANS_SERIF;
 479         } else if ("MONOSPACE".equals(fontName)) {
 480             typeface = Typeface.MONOSPACE;
 481         } else {
 482             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 483                 fontName = "FreeSerif.otf.jpg";
 484             }
 485             try {
 486                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 487             } catch (Exception e) {
 488                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 489                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 490                                Toast.LENGTH_LONG).show();
 491             }
 492         }
 493         if (typeface == null) {
 494             Log.w(LOG, "Unable to create typeface, using default.");
 495             typeface = Typeface.DEFAULT;
 496         }
 497         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 498         try {
 499             fontSizeSp = Integer.parseInt(fontSize.trim());
 500         } catch (NumberFormatException e) {
 501             fontSizeSp = 14;
 502         }
 503
 504         // ContextMenu.
 505         registerForContextMenu(getListView());
 506
 507         // Cache some prefs.
 508         wordList = application.getWordListFile();
 509         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 510                                 false);
 511         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 512                                 !getPackageManager().hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN));
 513         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 514
 515         onCreateSetupActionBarAndSearchView();
 516
 517         View floatSwapButton = findViewById(R.id.floatSwapButton);
 518         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 519             @Override
 520             public boolean onLongClick(View v) {
 521                 onLanguageButtonLongClick(v.getContext());
 522                 return true;
 523             }
 524         });
 525
 526         // Set the search text from the intent, then the saved state.
 527         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 528         if (savedInstanceState != null) {
 529             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 530         }
 531         if (text == null) {
 532             text = "";
 533         }
 534         setSearchText(text, true);
 535         Log.d(LOG, "Trying to restore searchText=" + text);
 536
 537         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 538
 539         updateLangButton();
 540         searchView.requestFocus();
 541
 542         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 543 //        getListView().setCacheColorHint(0);
 544     }
 545
 546     private void onCreateSetupActionBarAndSearchView() {
 547         ActionBar actionBar = getSupportActionBar();
 548         actionBar.setDisplayShowTitleEnabled(false);
 549         actionBar.setDisplayShowHomeEnabled(false);
 550         actionBar.setDisplayHomeAsUpEnabled(false);
 551
 552         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 553
 554         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 555             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 556         customSearchView.setLayoutParams(layoutParams);
 557
 558         languageButton = new ImageButton(customSearchView.getContext());
 559         languageButton.setId(R.id.languageButton);
 560         languageButton.setScaleType(ScaleType.FIT_CENTER);
 561         languageButton.setOnClickListener(new OnClickListener() {
 562             @Override
 563             public void onClick(View v) {
 564                 onLanguageButtonLongClick(v.getContext());
 565             }
 566         });
 567         languageButton.setAdjustViewBounds(true);
 568         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 569         customSearchView.addView(languageButton, lpb);
 570
 571         searchView = new SearchView(getSupportActionBar().getThemedContext());
 572         searchView.setId(R.id.searchView);
 573
 574         // Get rid of search icon, it takes up too much space.
 575         // There is still text saying "search" in the search field.
 576         searchView.setIconifiedByDefault(true);
 577         searchView.setIconified(false);
 578
 579         searchView.setQueryHint(getString(R.string.searchText));
 580         searchView.setSubmitButtonEnabled(false);
 581         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 582         searchView.setImeOptions(
 583             EditorInfo.IME_ACTION_DONE |
 584             EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 585             // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 586             // 11
 587             EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 588         onQueryTextListener = new OnQueryTextListener() {
 589             @Override
 590             public boolean onQueryTextSubmit(String query) {
 591                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 592                 hideKeyboard();
 593                 return true;
 594             }
 595
 596             @Override
 597             public boolean onQueryTextChange(String newText) {
 598                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 599                 onSearchTextChange(searchView.getQuery().toString());
 600                 return true;
 601             }
 602         };
 603         searchView.setOnQueryTextListener(onQueryTextListener);
 604         searchView.setFocusable(true);
 605         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 606                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 607         customSearchView.addView(searchView, lp);
 608
 609         actionBar.setCustomView(customSearchView);
 610         actionBar.setDisplayShowCustomEnabled(true);
 611
 612         // Avoid wasting space on large left inset
 613         Toolbar tb = (Toolbar)customSearchView.getParent();
 614         tb.setContentInsetsRelative(0, 0);
 615
 616         getListView().setNextFocusLeftId(R.id.searchView);
 617         findViewById(R.id.floatSwapButton).setNextFocusRightId(R.id.languageButton);
 618         languageButton.setNextFocusLeftId(R.id.floatSwapButton);
 619     }
 620
 621     @Override
 622     protected void onResume() {
 623         Log.d(LOG, "onResume");
 624         super.onResume();
 625         if (PreferenceActivity.prefsMightHaveChanged) {
 626             PreferenceActivity.prefsMightHaveChanged = false;
 627             finish();
 628             startActivity(getIntent());
 629         }
 630         showKeyboard();
 631     }
 632
 633     @Override
 634     protected void onPause() {
 635         super.onPause();
 636     }
 637
 638     @Override
 639     /**
 640      * Invoked when MyWebView returns, since the user might have clicked some
 641      * hypertext in the MyWebView.
 642      */
 643     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 644         super.onActivityResult(requestCode, resultCode, result);
 645         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 646             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 647             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 648         }
 649     }
 650
 651     private static void setDictionaryPrefs(final Context context, final File dictFile,
 652                                            final String indexShortName, final String searchToken) {
 653         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 654                 context).edit();
 655         prefs.putString(C.DICT_FILE, dictFile.getPath());
 656         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 657         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 658         prefs.commit();
 659     }
 660
 661     @Override
 662     protected void onDestroy() {
 663         super.onDestroy();
 664         if (dictRaf == null) {
 665             return;
 666         }
 667
 668         final SearchOperation searchOperation = currentSearchOperation;
 669         currentSearchOperation = null;
 670
 671         // Before we close the RAF, we have to wind the current search down.
 672         if (searchOperation != null) {
 673             Log.d(LOG, "Interrupting search to shut down.");
 674             currentSearchOperation = null;
 675             searchOperation.interrupted.set(true);
 676         }
 677         searchExecutor.shutdownNow();
 678         textToSpeech.shutdown();
 679         textToSpeech = null;
 680
 681         try {
 682             Log.d(LOG, "Closing RAF.");
 683             dictRaf.close();
 684         } catch (IOException e) {
 685             Log.e(LOG, "Failed to close dictionary", e);
 686         }
 687         dictRaf = null;
 688     }
 689
 690     // --------------------------------------------------------------------------
 691     // Buttons
 692     // --------------------------------------------------------------------------
 693
 694     private void showKeyboard() {
 695         // For some reason, this doesn't always work the first time.
 696         // One way to replicate the problem:
 697         // Press the "task switch" button repeatedly to pause and resume
 698         for (int delay = 1; delay <= 101; delay += 100) {
 699             searchView.postDelayed(new Runnable() {
 700                 @Override
 701                 public void run() {
 702                     Log.d(LOG, "Trying to show soft keyboard.");
 703                     final boolean searchTextHadFocus = searchView.hasFocus();
 704                     searchView.requestFocusFromTouch();
 705                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 706                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 707                     if (!searchTextHadFocus) {
 708                         defocusSearchText();
 709                     }
 710                 }
 711             }, delay);
 712         }
 713     }
 714
 715     private void hideKeyboard() {
 716         Log.d(LOG, "Hide soft keyboard.");
 717         searchView.clearFocus();
 718         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 719         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 720     }
 721
 722     void updateLangButton() {
 723         final int flagId = IsoUtils.INSTANCE.getFlagIdForIsoCode(index.shortName);
 724         if (flagId != 0) {
 725             languageButton.setImageResource(flagId);
 726         } else {
 727             if (indexIndex % 2 == 0) {
 728                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 729             } else {
 730                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 731             }
 732         }
 733         updateTTSLanguage(indexIndex);
 734     }
 735
 736     private void updateTTSLanguage(int i) {
 737         if (!ttsReady || index == null || textToSpeech == null) {
 738             Log.d(LOG, "Can't updateTTSLanguage.");
 739             return;
 740         }
 741         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 742         Log.d(LOG, "Setting TTS locale to: " + locale);
 743         try {
 744             final int ttsResult = textToSpeech.setLanguage(locale);
 745             if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 746                     ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 747                 Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 748             }
 749         } catch (Exception e) {
 750             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 751         }
 752     }
 753
 754     public void onSearchButtonClick(View dummy) {
 755         if (!searchView.hasFocus()) {
 756             searchView.requestFocus();
 757         }
 758         if (searchView.getQuery().toString().length() > 0) {
 759             searchView.setQuery("", false);
 760         }
 761         showKeyboard();
 762         searchView.setIconified(false);
 763     }
 764
 765     public void onLanguageButtonClick(View dummy) {
 766         if (dictionary.indices.size() == 1) {
 767             // No need to work to switch indices.
 768             return;
 769         }
 770         if (currentSearchOperation != null) {
 771             currentSearchOperation.interrupted.set(true);
 772             currentSearchOperation = null;
 773         }
 774         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 775                               searchView.getQuery().toString(), false);
 776     }
 777
 778     void onLanguageButtonLongClick(final Context context) {
 779         final Dialog dialog = new Dialog(context);
 780         dialog.setContentView(R.layout.select_dictionary_dialog);
 781         dialog.setTitle(R.string.selectDictionary);
 782
 783         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 784
 785         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 786         final Button button = new Button(listView.getContext());
 787         final String name = getString(R.string.dictionaryManager);
 788         button.setText(name);
 789         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 790         DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 791             @Override
 792             protected void onGo() {
 793                 dialog.dismiss();
 794                 DictionaryActivity.this.finish();
 795             }
 796         };
 797         button.setOnClickListener(intentLauncher);
 798         listView.addHeaderView(button);
 799
 800         listView.setItemsCanFocus(true);
 801         listView.setAdapter(new BaseAdapter() {
 802             @Override
 803             public View getView(int position, View convertView, ViewGroup parent) {
 804                 final DictionaryInfo dictionaryInfo = getItem(position);
 805
 806                 final LinearLayout result = new LinearLayout(parent.getContext());
 807
 808                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 809                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 810                     final View button = IsoUtils.INSTANCE.createButton(parent.getContext(),
 811                                         dictionaryInfo, indexInfo, application.languageButtonPixels);
 812                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 813                             getLaunchIntent(getApplicationContext(),
 814                                             application.getPath(dictionaryInfo.uncompressedFilename),
 815                     indexInfo.shortName, searchView.getQuery().toString())) {
 816                         @Override
 817                         protected void onGo() {
 818                             dialog.dismiss();
 819                             DictionaryActivity.this.finish();
 820                         }
 821                     };
 822                     button.setOnClickListener(intentLauncher);
 823                     if (i == indexIndex && dictFile != null &&
 824                             dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 825                         button.setPressed(true);
 826                     }
 827                     result.addView(button);
 828                 }
 829
 830                 final TextView nameView = new TextView(parent.getContext());
 831                 final String name = application
 832                                     .getDictionaryName(dictionaryInfo.uncompressedFilename);
 833                 nameView.setText(name);
 834                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 835                     ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 836                 layoutParams.width = 0;
 837                 layoutParams.weight = 1.0f;
 838                 nameView.setLayoutParams(layoutParams);
 839                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 840                 result.addView(nameView);
 841                 return result;
 842             }
 843
 844             @Override
 845             public long getItemId(int position) {
 846                 return position;
 847             }
 848
 849             @Override
 850             public DictionaryInfo getItem(int position) {
 851                 return installedDicts.get(position);
 852             }
 853
 854             @Override
 855             public int getCount() {
 856                 return installedDicts.size();
 857             }
 858         });
 859         dialog.show();
 860     }
 861
 862     void onUpDownButton(final boolean up) {
 863         if (isFiltered()) {
 864             return;
 865         }
 866         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 867         final RowBase row = index.rows.get(firstVisibleRow);
 868         final TokenRow tokenRow = row.getTokenRow(true);
 869         final int destIndexEntry;
 870         if (up) {
 871             if (row != tokenRow) {
 872                 destIndexEntry = tokenRow.referenceIndex;
 873             } else {
 874                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 875             }
 876         } else {
 877             // Down
 878             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 879         }
 880         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 881         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 882         setSearchText(dest.token, false);
 883         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 884         defocusSearchText();
 885     }
 886
 887     void onRandomWordButton() {
 888         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 889         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 890         setSearchText(dest.token, false);
 891         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 892         defocusSearchText();
 893     }
 894
 895     // --------------------------------------------------------------------------
 896     // Options Menu
 897     // --------------------------------------------------------------------------
 898
 899     final Random random = new Random();
 900
 901     @Override
 902     public boolean onCreateOptionsMenu(final Menu menu) {
 903
 904         if (PreferenceManager.getDefaultSharedPreferences(this)
 905                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 906             // Next word.
 907             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 908                                .setIcon(R.drawable.arrow_down_float);
 909             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 910             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 911                 @Override
 912                 public boolean onMenuItemClick(MenuItem item) {
 913                     onUpDownButton(false);
 914                     return true;
 915                 }
 916             });
 917
 918             // Previous word.
 919             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 920                                    .setIcon(R.drawable.arrow_up_float);
 921             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 922             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 923                 @Override
 924                 public boolean onMenuItemClick(MenuItem item) {
 925                     onUpDownButton(true);
 926                     return true;
 927                 }
 928             });
 929         }
 930
 931         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 932         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 933             @Override
 934             public boolean onMenuItemClick(MenuItem item) {
 935                 onRandomWordButton();
 936                 return true;
 937             }
 938         });
 939
 940         application.onCreateGlobalOptionsMenu(this, menu);
 941
 942         {
 943             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 944             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 945             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 946                 public boolean onMenuItemClick(final MenuItem menuItem) {
 947                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 948                     finish();
 949                     return false;
 950                 }
 951             });
 952         }
 953
 954         {
 955             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 956             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 957             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 958                 public boolean onMenuItemClick(final MenuItem menuItem) {
 959                     final Context context = getListView().getContext();
 960                     final Dialog dialog = new Dialog(context);
 961                     dialog.setContentView(R.layout.about_dictionary_dialog);
 962                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 963
 964                     final String name = application.getDictionaryName(dictFile.getName());
 965                     dialog.setTitle(name);
 966
 967                     final StringBuilder builder = new StringBuilder();
 968                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 969                     dictionaryInfo.uncompressedBytes = dictFile.length();
 970                     if (dictionaryInfo != null) {
 971                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 972                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 973                         .append("\n");
 974                         builder.append(
 975                             getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 976                         .append("\n");
 977                         builder.append(
 978                             getString(R.string.dictionaryCreationTime,
 979                                       dictionaryInfo.creationMillis)).append("\n");
 980                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 981                             builder.append("\n");
 982                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 983                             .append("\n");
 984                             builder.append(
 985                                 getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 986                             .append("\n");
 987                         }
 988                         builder.append("\n");
 989                         builder.append(getString(R.string.sources)).append("\n");
 990                         for (final EntrySource source : dictionary.sources) {
 991                             builder.append(
 992                                 getString(R.string.sourceInfo, source.getName(),
 993                                           source.getNumEntries())).append("\n");
 994                         }
 995                     }
 996                     textView.setText(builder.toString());
 997
 998                     dialog.show();
 999                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
1000                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
1001                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
1002                     dialog.getWindow().setAttributes(layoutParams);
1003                     return false;
1004                 }
1005             });
1006         }
1007
1008         return true;
1009     }
1010
1011     // --------------------------------------------------------------------------
1012     // Context Menu + clicks
1013     // --------------------------------------------------------------------------
1014
1015     @Override
1016     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1017         final AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
1018         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
1019
1020         if (clickOpensContextMenu && (row instanceof HtmlEntry.Row ||
1021             (row instanceof TokenRow && ((TokenRow)row).getIndexEntry().htmlEntries.size() > 0))) {
1022             final List<HtmlEntry> html = row instanceof TokenRow ? ((TokenRow)row).getIndexEntry().htmlEntries : Collections.singletonList(((HtmlEntry.Row)row).getEntry());
1023             final String highlight = row instanceof HtmlEntry.Row ? ((HtmlEntry.Row)row).getTokenRow(true).getToken() : null;
1024             final MenuItem open = menu.add("Open");
1025             open.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1026                 public boolean onMenuItemClick(MenuItem item) {
1027                     showHtml(html, highlight);
1028                     return false;
1029                 }
1030             });
1031         }
1032
1033         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
1034                 wordList.getName()));
1035         addToWordlist
1036         .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1037             public boolean onMenuItemClick(android.view.MenuItem item) {
1038                 onAppendToWordList(row);
1039                 return false;
1040             }
1041         });
1042
1043         final android.view.MenuItem share = menu.add("Share");
1044         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1045             public boolean onMenuItemClick(android.view.MenuItem item) {
1046                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
1047                 shareIntent.setType("text/plain");
1048                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
1049                                      .getToken());
1050                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
1051                                      row.getRawText(saveOnlyFirstSubentry));
1052                 startActivity(shareIntent);
1053                 return false;
1054             }
1055         });
1056
1057         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1058         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1059             public boolean onMenuItemClick(android.view.MenuItem item) {
1060                 onCopy(row);
1061                 return false;
1062             }
1063         });
1064
1065         if (selectedSpannableText != null) {
1066             final String selectedText = selectedSpannableText;
1067             final android.view.MenuItem searchForSelection = menu.add(getString(
1068                         R.string.searchForSelection,
1069                         selectedSpannableText));
1070             searchForSelection
1071             .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1072                 public boolean onMenuItemClick(android.view.MenuItem item) {
1073                     jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1074                     return false;
1075                 }
1076             });
1077             // Rats, this won't be shown:
1078             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1079         }
1080
1081         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1082             final android.view.MenuItem speak = menu.add(R.string.speak);
1083             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1084             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1085             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1086                 @Override
1087                 public boolean onMenuItemClick(android.view.MenuItem item) {
1088                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1089                                        new HashMap<String, String>());
1090                     return false;
1091                 }
1092             });
1093         }
1094         if (row instanceof PairEntry.Row && ttsReady) {
1095             final List<Pair> pairs = ((PairEntry.Row)row).getEntry().pairs;
1096             final MenuItem speakLeft = menu.add(R.string.speak_left);
1097             speakLeft.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1098                 @Override
1099                 public boolean onMenuItemClick(android.view.MenuItem item) {
1100                     int idx = index.swapPairEntries ? 1 : 0;
1101                     updateTTSLanguage(idx);
1102                     String text = "";
1103                     for (Pair p : pairs) text += p.get(idx);
1104                     text = text.replaceAll("\\{[^{}]*\\}", "").replace("{", "").replace("}", "");
1105                     textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH,
1106                                        new HashMap<String, String>());
1107                     return false;
1108                 }
1109             });
1110             final MenuItem speakRight = menu.add(R.string.speak_right);
1111             speakRight.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1112                 @Override
1113                 public boolean onMenuItemClick(android.view.MenuItem item) {
1114                     int idx = index.swapPairEntries ? 0 : 1;
1115                     updateTTSLanguage(idx);
1116                     String text = "";
1117                     for (Pair p : pairs) text += p.get(idx);
1118                     text = text.replaceAll("\\{[^{}]*\\}", "").replace("{", "").replace("}", "");
1119                     textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH,
1120                                        new HashMap<String, String>());
1121                     return false;
1122                 }
1123             });
1124         }
1125     }
1126
1127     private void jumpToTextFromHyperLink(
1128         final String selectedText, final int defaultIndexToUse) {
1129         int indexToUse = -1;
1130         int numFound = 0;
1131         for (int i = 0; i < dictionary.indices.size(); ++i) {
1132             final Index index = dictionary.indices.get(i);
1133             if (indexPrepFinished) {
1134                 System.out.println("Doing index lookup: on " + selectedText);
1135                 final IndexEntry indexEntry = index.findExact(selectedText);
1136                 if (indexEntry != null) {
1137                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1138                                               .getTokenRow(false);
1139                     if (tokenRow != null && tokenRow.hasMainEntry) {
1140                         indexToUse = i;
1141                         ++numFound;
1142                     }
1143                 }
1144             } else {
1145                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1146             }
1147         }
1148         if (numFound != 1 || indexToUse == -1) {
1149             indexToUse = defaultIndexToUse;
1150         }
1151         // Without this extra delay, the call to jumpToRow that this
1152         // invokes doesn't always actually have any effect.
1153         final int actualIndexToUse = indexToUse;
1154         getListView().postDelayed(new Runnable() {
1155             @Override
1156             public void run() {
1157                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1158             }
1159         }, 100);
1160     }
1161
1162     /**
1163      * Called when user clicks outside of search text, so that they can start
1164      * typing again immediately.
1165      */
1166     void defocusSearchText() {
1167         // Log.d(LOG, "defocusSearchText");
1168         // Request focus so that if we start typing again, it clears the text
1169         // input.
1170         getListView().requestFocus();
1171
1172         // Visual indication that a new keystroke will clear the search text.
1173         // Doesn't seem to work unless searchText has focus.
1174         // searchView.selectAll();
1175     }
1176
1177     protected void onListItemClick(ListView l, View v, int rowIdx, long id) {
1178         defocusSearchText();
1179         if (clickOpensContextMenu && dictRaf != null) {
1180             openContextMenu(v);
1181         } else {
1182             final RowBase row = (RowBase)getListAdapter().getItem(rowIdx);
1183             if (!(row instanceof PairEntry.Row)) {
1184                 v.performClick();
1185             }
1186         }
1187     }
1188
1189     @SuppressLint("SimpleDateFormat")
1190     void onAppendToWordList(final RowBase row) {
1191         defocusSearchText();
1192
1193         final StringBuilder rawText = new StringBuilder();
1194         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1195         rawText.append(index.longName).append("\t");
1196         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1197         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1198         Log.d(LOG, "Writing : " + rawText);
1199
1200         try {
1201             wordList.getParentFile().mkdirs();
1202             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1203             out.println(rawText.toString());
1204             out.close();
1205         } catch (Exception e) {
1206             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1207             Toast.makeText(this,
1208                            getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1209                            Toast.LENGTH_LONG).show();
1210         }
1211         return;
1212     }
1213
1214     @SuppressWarnings("deprecation")
1215     void onCopy(final RowBase row) {
1216         defocusSearchText();
1217
1218         Log.d(LOG, "Copy, row=" + row);
1219         final StringBuilder result = new StringBuilder();
1220         result.append(row.getRawText(false));
1221         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1222         clipboardManager.setText(result.toString());
1223         Log.d(LOG, "Copied: " + result);
1224     }
1225
1226     @Override
1227     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1228         if (event.getUnicodeChar() != 0) {
1229             if (!searchView.hasFocus()) {
1230                 setSearchText("" + (char) event.getUnicodeChar(), true);
1231                 searchView.requestFocus();
1232             }
1233             return true;
1234         }
1235         if (keyCode == KeyEvent.KEYCODE_BACK) {
1236             // Log.d(LOG, "Clearing dictionary prefs.");
1237             // Pretend that we just autolaunched so that we won't do it again.
1238             // DictionaryManagerActivity.lastAutoLaunchMillis =
1239             // System.currentTimeMillis();
1240         }
1241         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1242             Log.d(LOG, "Trying to hide soft keyboard.");
1243             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1244             View focus = getCurrentFocus();
1245             if (focus != null) {
1246                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1247                                                      InputMethodManager.HIDE_NOT_ALWAYS);
1248             }
1249             return true;
1250         }
1251         return super.onKeyDown(keyCode, event);
1252     }
1253
1254     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1255         Log.d(LOG, "Changing index to: " + newIndex);
1256         if (newIndex == -1) {
1257             Log.e(LOG, "Invalid index.");
1258             newIndex = 0;
1259         }
1260         if (newIndex != indexIndex) {
1261             indexIndex = newIndex;
1262             index = dictionary.indices.get(indexIndex);
1263             indexAdapter = new IndexAdapter(index);
1264             setListAdapter(indexAdapter);
1265             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1266             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1267             updateLangButton();
1268         }
1269         setSearchText(newSearchText, true, hideKeyboard);
1270     }
1271
1272     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1273         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1274         // Disable the listener, because sometimes it doesn't work.
1275         searchView.setOnQueryTextListener(null);
1276         searchView.setQuery(text, false);
1277         moveCursorToRight();
1278         searchView.setOnQueryTextListener(onQueryTextListener);
1279
1280         if (triggerSearch) {
1281             onSearchTextChange(text);
1282         }
1283
1284         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1285         if (hideKeyboard) {
1286             hideKeyboard();
1287         }
1288     }
1289
1290     private void setSearchText(final String text, final boolean triggerSearch) {
1291         setSearchText(text, triggerSearch, true);
1292     }
1293
1294     // private long cursorDelayMillis = 100;
1295     private void moveCursorToRight() {
1296         // if (searchText.getLayout() != null) {
1297         // cursorDelayMillis = 100;
1298         // // Surprising, but this can crash when you rotate...
1299         // Selection.moveToRightEdge(searchView.getQuery(),
1300         // searchText.getLayout());
1301         // } else {
1302         // uiHandler.postDelayed(new Runnable() {
1303         // @Override
1304         // public void run() {
1305         // moveCursorToRight();
1306         // }
1307         // }, cursorDelayMillis);
1308         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1309         // }
1310     }
1311
1312     // --------------------------------------------------------------------------
1313     // SearchOperation
1314     // --------------------------------------------------------------------------
1315
1316     private void searchFinished(final SearchOperation searchOperation) {
1317         if (searchOperation.interrupted.get()) {
1318             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1319             return;
1320         }
1321         if (searchOperation != this.currentSearchOperation) {
1322             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1323             return;
1324         }
1325
1326         final Index.IndexEntry searchResult = searchOperation.searchResult;
1327         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1328
1329         currentSearchOperation = null;
1330         uiHandler.postDelayed(new Runnable() {
1331             @Override
1332             public void run() {
1333                 if (currentSearchOperation == null) {
1334                     if (searchResult != null) {
1335                         if (isFiltered()) {
1336                             clearFiltered();
1337                         }
1338                         jumpToRow(searchResult.startRow);
1339                     } else if (searchOperation.multiWordSearchResult != null) {
1340                         // Multi-row search....
1341                         setFiltered(searchOperation);
1342                     } else {
1343                         throw new IllegalStateException("This should never happen.");
1344                     }
1345                 } else {
1346                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1347                 }
1348             }
1349         }, 20);
1350     }
1351
1352     private final void jumpToRow(final int row) {
1353         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1354         // getListView().requestFocusFromTouch();
1355         getListView().setSelectionFromTop(row, 0);
1356         getListView().setSelected(true);
1357     }
1358
1359     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1360
1361     final class SearchOperation implements Runnable {
1362
1363         final AtomicBoolean interrupted = new AtomicBoolean(false);
1364
1365         final String searchText;
1366
1367         List<String> searchTokens; // filled in for multiWord.
1368
1369         final Index index;
1370
1371         long searchStartMillis;
1372
1373         Index.IndexEntry searchResult;
1374
1375         List<RowBase> multiWordSearchResult;
1376
1377         boolean done = false;
1378
1379         SearchOperation(final String searchText, final Index index) {
1380             this.searchText = StringUtil.normalizeWhitespace(searchText);
1381             this.index = index;
1382         }
1383
1384         public String toString() {
1385             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1386         }
1387
1388         @Override
1389         public void run() {
1390             try {
1391                 searchStartMillis = System.currentTimeMillis();
1392                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1393                 if (searchTokenArray.length == 1) {
1394                     searchResult = index.findInsertionPoint(searchText, interrupted);
1395                 } else {
1396                     searchTokens = Arrays.asList(searchTokenArray);
1397                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1398                                             interrupted);
1399                 }
1400                 Log.d(LOG,
1401                       "searchText=" + searchText + ", searchDuration="
1402                       + (System.currentTimeMillis() - searchStartMillis)
1403                       + ", interrupted=" + interrupted.get());
1404                 if (!interrupted.get()) {
1405                     uiHandler.post(new Runnable() {
1406                         @Override
1407                         public void run() {
1408                             searchFinished(SearchOperation.this);
1409                         }
1410                     });
1411                 } else {
1412                     Log.d(LOG, "interrupted, skipping searchFinished.");
1413                 }
1414             } catch (Exception e) {
1415                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1416             } finally {
1417                 synchronized (this) {
1418                     done = true;
1419                     this.notifyAll();
1420                 }
1421             }
1422         }
1423     }
1424
1425     // --------------------------------------------------------------------------
1426     // IndexAdapter
1427     // --------------------------------------------------------------------------
1428
1429     private void showHtml(final List<HtmlEntry> htmlEntries, final String htmlTextToHighlight) {
1430         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1431         // Log.d(LOG, "html=" + html);
1432         startActivityForResult(
1433             HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1434                     "<html><head><meta name=\"viewport\" content=\"width=device-width\"></head><body>%s</body></html>", html),
1435                                               htmlTextToHighlight, false),
1436             0);
1437     }
1438
1439     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1440         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1441
1442     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1443         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1444
1445     final class IndexAdapter extends BaseAdapter {
1446
1447         private static final float PADDING_DEFAULT_DP = 8;
1448
1449         private static final float PADDING_LARGE_DP = 16;
1450
1451         final Index index;
1452
1453         final List<RowBase> rows;
1454
1455         final Set<String> toHighlight;
1456
1457         private int mPaddingDefault;
1458
1459         private int mPaddingLarge;
1460
1461         IndexAdapter(final Index index) {
1462             this.index = index;
1463             rows = index.rows;
1464             this.toHighlight = null;
1465             getMetrics();
1466         }
1467
1468         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1469             this.index = index;
1470             this.rows = rows;
1471             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1472             getMetrics();
1473         }
1474
1475         private void getMetrics() {
1476             // Get the screen's density scale
1477             // The previous method getResources().getDisplayMetrics()
1478             // used to occasionally trigger a null pointer exception,
1479             // so try this instead.
1480             DisplayMetrics dm = new DisplayMetrics();
1481             getWindowManager().getDefaultDisplay().getMetrics(dm);
1482             final float scale = dm.density;
1483             // Convert the dps to pixels, based on density scale
1484             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1485             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1486         }
1487
1488         @Override
1489         public int getCount() {
1490             return rows.size();
1491         }
1492
1493         @Override
1494         public RowBase getItem(int position) {
1495             return rows.get(position);
1496         }
1497
1498         @Override
1499         public long getItemId(int position) {
1500             return getItem(position).index();
1501         }
1502
1503         @Override
1504         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1505             final TableLayout result;
1506             if (convertView instanceof TableLayout) {
1507                 result = (TableLayout) convertView;
1508                 result.removeAllViews();
1509             } else {
1510                 result = new TableLayout(parent.getContext());
1511             }
1512             final RowBase row = getItem(position);
1513             if (row instanceof PairEntry.Row) {
1514                 return getView(position, (PairEntry.Row) row, parent, result);
1515             } else if (row instanceof TokenRow) {
1516                 return getView((TokenRow) row, parent, result);
1517             } else if (row instanceof HtmlEntry.Row) {
1518                 return getView((HtmlEntry.Row) row, parent, result);
1519             } else {
1520                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1521             }
1522         }
1523
1524         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1525                                     final TableLayout result) {
1526             final PairEntry entry = row.getEntry();
1527             final int rowCount = entry.pairs.size();
1528
1529             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1530             layoutParams.weight = 0.5f;
1531             layoutParams.leftMargin = mPaddingLarge;
1532
1533             for (int r = 0; r < rowCount; ++r) {
1534                 final TableRow tableRow = new TableRow(result.getContext());
1535
1536                 final TextView col1 = new TextView(tableRow.getContext());
1537                 final TextView col2 = new TextView(tableRow.getContext());
1538                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1539                     col1.setTextIsSelectable(true);
1540                     col2.setTextIsSelectable(true);
1541                 }
1542
1543                 // Set the columns in the table.
1544                 if (r > 0) {
1545                     final TextView bullet = new TextView(tableRow.getContext());
1546                     bullet.setText(" • ");
1547                     tableRow.addView(bullet);
1548                 }
1549                 tableRow.addView(col1, layoutParams);
1550                 final TextView margin = new TextView(tableRow.getContext());
1551                 margin.setText(" ");
1552                 tableRow.addView(margin);
1553                 if (r > 0) {
1554                     final TextView bullet = new TextView(tableRow.getContext());
1555                     bullet.setText(" • ");
1556                     tableRow.addView(bullet);
1557                 }
1558                 tableRow.addView(col2, layoutParams);
1559                 col1.setWidth(1);
1560                 col2.setWidth(1);
1561
1562                 // Set what's in the columns.
1563
1564                 final Pair pair = entry.pairs.get(r);
1565                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1566                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1567
1568                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1569                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1570
1571                 // Bold the token instances in col1.
1572                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1573                                            .singleton(row.getTokenRow(true).getToken());
1574                 final Spannable col1Spannable = (Spannable) col1.getText();
1575                 for (final String token : toBold) {
1576                     int startPos = 0;
1577                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1578                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1579                                               + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1580                         startPos += token.length();
1581                     }
1582                 }
1583
1584                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1585                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1586
1587                 col1.setTypeface(typeface);
1588                 col2.setTypeface(typeface);
1589                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1590                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1591                 // col2.setBackgroundResource(theme.otherLangBg);
1592
1593                 if (index.swapPairEntries) {
1594                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1595                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1596                 } else {
1597                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1598                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1599                 }
1600
1601                 result.addView(tableRow);
1602             }
1603
1604             // Because we have a Button inside a ListView row:
1605             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1606             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1607             result.setClickable(true);
1608             result.setFocusable(false);
1609             result.setLongClickable(true);
1610 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1611
1612             result.setBackgroundResource(theme.normalRowBg);
1613
1614             result.setOnClickListener(new TextView.OnClickListener() {
1615                 @Override
1616                 public void onClick(View v) {
1617                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1618                 }
1619             });
1620
1621             return result;
1622         }
1623
1624         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1625                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1626                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1627             final Context context = parent.getContext();
1628
1629             final TableRow tableRow = new TableRow(result.getContext());
1630             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1631                                            : theme.tokenRowOtherBg);
1632             if (isTokenRow) {
1633                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1634             } else {
1635                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1636             }
1637             result.addView(tableRow);
1638
1639             // Make it so we can long-click on these token rows, too:
1640             final TextView textView = new TextView(context);
1641             textView.setText(text, BufferType.SPANNABLE);
1642             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1643             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1644             result.setLongClickable(true);
1645
1646             // Doesn't work:
1647             // textView.setTextColor(android.R.color.secondary_text_light);
1648             textView.setTypeface(typeface);
1649             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1650             if (isTokenRow) {
1651                 textView.setTextAppearance(context, theme.tokenRowFg);
1652                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1653             } else {
1654                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1655             }
1656             lp.weight = 1.0f;
1657
1658             textView.setLayoutParams(lp);
1659             tableRow.addView(textView);
1660
1661             if (!htmlEntries.isEmpty()) {
1662                 final ClickableSpan clickableSpan = new ClickableSpan() {
1663                     @Override
1664                     public void onClick(View widget) {
1665                     }
1666                 };
1667                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1668                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1669                 result.setClickable(true);
1670                 textView.setClickable(true);
1671                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1672                 textView.setOnClickListener(new OnClickListener() {
1673                     @Override
1674                     public void onClick(View v) {
1675                         showHtml(htmlEntries, htmlTextToHighlight);
1676                     }
1677                 });
1678                 result.setOnClickListener(new OnClickListener() {
1679                     @Override
1680                     public void onClick(View v) {
1681                         textView.performClick();
1682                     }
1683                 });
1684             }
1685             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1686             return result;
1687         }
1688
1689         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1690             final IndexEntry indexEntry = row.getIndexEntry();
1691             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1692                                                   indexEntry.htmlEntries, null, parent, result);
1693         }
1694
1695         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1696             final HtmlEntry htmlEntry = row.getEntry();
1697             final TokenRow tokenRow = row.getTokenRow(true);
1698             return getPossibleLinkToHtmlEntryView(false,
1699                                                   getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1700                                                   false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1701                                                   result);
1702         }
1703
1704     }
1705
1706     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1707
1708     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1709                                       final String text) {
1710         // Saw from the source code that LinkMovementMethod sets the selection!
1711         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1712         textView.setMovementMethod(LinkMovementMethod.getInstance());
1713         final Matcher matcher = CHAR_DASH.matcher(text);
1714         while (matcher.find()) {
1715             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1716                               matcher.end(),
1717                               Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1718         }
1719     }
1720
1721     String selectedSpannableText = null;
1722
1723     int selectedSpannableIndex = -1;
1724
1725     @Override
1726     public boolean onTouchEvent(MotionEvent event) {
1727         selectedSpannableText = null;
1728         selectedSpannableIndex = -1;
1729         return super.onTouchEvent(event);
1730     }
1731
1732     private class TextViewLongClickListener implements OnLongClickListener {
1733         final int index;
1734
1735         private TextViewLongClickListener(final int index) {
1736             this.index = index;
1737         }
1738
1739         @Override
1740         public boolean onLongClick(final View v) {
1741             final TextView textView = (TextView) v;
1742             final int start = textView.getSelectionStart();
1743             final int end = textView.getSelectionEnd();
1744             if (start >= 0 && end >= 0) {
1745                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1746                 selectedSpannableIndex = index;
1747             }
1748             return false;
1749         }
1750     }
1751
1752     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1753         0);
1754
1755     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1756         1);
1757
1758     // --------------------------------------------------------------------------
1759     // SearchText
1760     // --------------------------------------------------------------------------
1761
1762     void onSearchTextChange(final String text) {
1763         if ("thadolina".equals(text)) {
1764             final Dialog dialog = new Dialog(getListView().getContext());
1765             dialog.setContentView(R.layout.thadolina_dialog);
1766             dialog.setTitle("Ti amo, amore mio!");
1767             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1768             imageView.setOnClickListener(new OnClickListener() {
1769                 @Override
1770                 public void onClick(View v) {
1771                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1772                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1773                     startActivity(intent);
1774                 }
1775             });
1776             dialog.show();
1777         }
1778         if (dictRaf == null) {
1779             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1780             return;
1781         }
1782
1783         // if (!searchView.hasFocus()) {
1784         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1785         // return;
1786         // }
1787         Log.d(LOG, "onSearchTextChange: " + text);
1788         if (currentSearchOperation != null) {
1789             Log.d(LOG, "Interrupting currentSearchOperation.");
1790             currentSearchOperation.interrupted.set(true);
1791         }
1792         currentSearchOperation = new SearchOperation(text, index);
1793         searchExecutor.execute(currentSearchOperation);
1794         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1795     }
1796
1797     // --------------------------------------------------------------------------
1798     // Filtered results.
1799     // --------------------------------------------------------------------------
1800
1801     boolean isFiltered() {
1802         return rowsToShow != null;
1803     }
1804
1805     void setFiltered(final SearchOperation searchOperation) {
1806         if (nextWordMenuItem != null) {
1807             nextWordMenuItem.setEnabled(false);
1808             previousWordMenuItem.setEnabled(false);
1809         }
1810         rowsToShow = searchOperation.multiWordSearchResult;
1811         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1812     }
1813
1814     void clearFiltered() {
1815         if (nextWordMenuItem != null) {
1816             nextWordMenuItem.setEnabled(true);
1817             previousWordMenuItem.setEnabled(true);
1818         }
1819         setListAdapter(new IndexAdapter(index));
1820         rowsToShow = null;
1821     }
1822
1823 }