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