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.graphics.Color;
  24 import android.graphics.Typeface;
  25 import android.net.Uri;
  26 import android.os.Bundle;
  27 import android.os.Handler;
  28 import android.preference.PreferenceManager;
  29 import android.speech.tts.TextToSpeech;
  30 import android.speech.tts.TextToSpeech.OnInitListener;
  31 import android.text.ClipboardManager;
  32 import android.text.Spannable;
  33 import android.text.method.LinkMovementMethod;
  34 import android.text.style.ClickableSpan;
  35 import android.text.style.StyleSpan;
  36 import android.util.Log;
  37 import android.util.TypedValue;
  38 import android.view.ContextMenu;
  39 import android.view.ContextMenu.ContextMenuInfo;
  40 import android.view.Gravity;
  41 import android.view.KeyEvent;
  42 import android.view.MotionEvent;
  43 import android.view.View;
  44 import android.view.View.OnClickListener;
  45 import android.view.View.OnLongClickListener;
  46 import android.view.ViewGroup;
  47 import android.view.WindowManager;
  48 import android.view.inputmethod.EditorInfo;
  49 import android.view.inputmethod.InputMethodManager;
  50 import android.widget.AdapterView.AdapterContextMenuInfo;
  51 import android.widget.BaseAdapter;
  52 import android.widget.Button;
  53 import android.widget.FrameLayout;
  54 import android.widget.ImageButton;
  55 import android.widget.ImageView;
  56 import android.widget.ImageView.ScaleType;
  57 import android.widget.LinearLayout;
  58 import android.widget.ListAdapter;
  59 import android.widget.ListView;
  60 import android.widget.TableLayout;
  61 import android.widget.TableRow;
  62 import android.widget.TextView;
  63 import android.widget.TextView.BufferType;
  64 import android.widget.Toast;
  65
  66 import com.actionbarsherlock.app.ActionBar;
  67 import com.actionbarsherlock.app.SherlockListActivity;
  68 import com.actionbarsherlock.view.Menu;
  69 import com.actionbarsherlock.view.MenuItem;
  70 import com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener;
  71 import com.actionbarsherlock.widget.SearchView;
  72 import com.actionbarsherlock.widget.SearchView.OnQueryTextListener;
  73 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  74 import com.hughes.android.dictionary.engine.Dictionary;
  75 import com.hughes.android.dictionary.engine.EntrySource;
  76 import com.hughes.android.dictionary.engine.HtmlEntry;
  77 import com.hughes.android.dictionary.engine.Index;
  78 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  79 import com.hughes.android.dictionary.engine.Language;
  80 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  81 import com.hughes.android.dictionary.engine.PairEntry;
  82 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  83 import com.hughes.android.dictionary.engine.RowBase;
  84 import com.hughes.android.dictionary.engine.TokenRow;
  85 import com.hughes.android.dictionary.engine.TransliteratorManager;
  86 import com.hughes.android.util.IntentLauncher;
  87 import com.hughes.android.util.NonLinkClickableSpan;
  88 import com.hughes.util.StringUtil;
  89
  90 import java.io.File;
  91 import java.io.FileWriter;
  92 import java.io.IOException;
  93 import java.io.PrintWriter;
  94 import java.io.RandomAccessFile;
  95 import java.text.SimpleDateFormat;
  96 import java.util.Arrays;
  97 import java.util.Collections;
  98 import java.util.Date;
  99 import java.util.HashMap;
 100 import java.util.LinkedHashSet;
 101 import java.util.List;
 102 import java.util.Locale;
 103 import java.util.Random;
 104 import java.util.Set;
 105 import java.util.concurrent.Executor;
 106 import java.util.concurrent.Executors;
 107 import java.util.concurrent.ThreadFactory;
 108 import java.util.concurrent.atomic.AtomicBoolean;
 109 import java.util.regex.Matcher;
 110 import java.util.regex.Pattern;
 111
 112 public class DictionaryActivity extends SherlockListActivity {
 113
 114     static final String LOG = "QuickDic";
 115
 116     DictionaryApplication application;
 117
 118     File dictFile = null;
 119     RandomAccessFile dictRaf = null;
 120
 121     Dictionary dictionary = null;
 122
 123     int indexIndex = 0;
 124
 125     Index index = null;
 126
 127     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 128
 129     final Handler uiHandler = new Handler();
 130
 131     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 132         @Override
 133         public Thread newThread(Runnable r) {
 134             return new Thread(r, "searchExecutor");
 135         }
 136     });
 137
 138     private SearchOperation currentSearchOperation = null;
 139
 140     TextToSpeech textToSpeech;
 141     volatile boolean ttsReady;
 142
 143     Typeface typeface;
 144     C.Theme theme = C.Theme.LIGHT;
 145     int textColorFg = Color.BLACK;
 146     int fontSizeSp;
 147
 148     SearchView searchView;
 149     ImageButton languageButton;
 150     SearchView.OnQueryTextListener onQueryTextListener;
 151
 152     MenuItem nextWordMenuItem, previousWordMenuItem;
 153
 154     // Never null.
 155     private File wordList = null;
 156     private boolean saveOnlyFirstSubentry = false;
 157     private boolean clickOpensContextMenu = false;
 158
 159     // Visible for testing.
 160     ListAdapter indexAdapter = null;
 161
 162     /**
 163      * For some languages, loading the transliterators used in this search takes
 164      * a long time, so we fire it up on a different thread, and don't invoke it
 165      * from the main thread until it's already finished once.
 166      */
 167     private volatile boolean indexPrepFinished = false;
 168
 169     public DictionaryActivity() {
 170     }
 171
 172     public static Intent getLaunchIntent(final File dictFile, final String indexShortName,
 173             final String searchToken) {
 174         final Intent intent = new Intent();
 175         intent.setClassName(DictionaryActivity.class.getPackage().getName(),
 176                 DictionaryActivity.class.getName());
 177         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 178         intent.putExtra(C.INDEX_SHORT_NAME, indexShortName);
 179         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 180         return intent;
 181     }
 182
 183     @Override
 184     protected void onSaveInstanceState(final Bundle outState) {
 185         super.onSaveInstanceState(outState);
 186         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 187         outState.putString(C.INDEX_SHORT_NAME, index.shortName);
 188         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 189     }
 190
 191     @Override
 192     protected void onRestoreInstanceState(final Bundle savedInstanceState) {
 193         super.onRestoreInstanceState(savedInstanceState);
 194         Log.d(LOG, "onRestoreInstanceState: " + savedInstanceState.getString(C.SEARCH_TOKEN));
 195         onCreate(savedInstanceState);
 196     }
 197
 198     @Override
 199     public void onCreate(Bundle savedInstanceState) {
 200         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 201         // doesn't makes the background of the actionbar white when you're
 202         // in the dark theme.
 203         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 204
 205         Log.d(LOG, "onCreate:" + this);
 206         super.onCreate(savedInstanceState);
 207
 208         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 209
 210         // Don't auto-launch if this fails.
 211         prefs.edit().remove(C.DICT_FILE).commit();
 212
 213
 214         application = (DictionaryApplication) getApplication();
 215         theme = application.getSelectedTheme();
 216         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 217
 218         final Intent intent = getIntent();
 219         String intentAction = intent.getAction();
 220         /**
 221          * @author Dominik Köppl Querying the Intent
 222          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 223          *         Arguments: SearchManager.QUERY -> the phrase to search from
 224          *         -> language in which the phrase is written to -> to which
 225          *         language shall be translated
 226          */
 227         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT"))
 228         {
 229             String query = intent.getStringExtra(SearchManager.QUERY);
 230             String from = intent.getStringExtra("from");
 231             if (from != null)
 232                 from = from.toLowerCase(Locale.US);
 233             String to = intent.getStringExtra("to");
 234             if (to != null)
 235                 to = to.toLowerCase(Locale.US);
 236             if (query != null)
 237             {
 238                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 239             }
 240             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null))
 241             {
 242                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 243                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 244                 for (DictionaryInfo info : dicts)
 245                 {
 246                     boolean hasFrom = from == null;
 247                     boolean hasTo = to == null;
 248                     for (IndexInfo index : info.indexInfos)
 249                     {
 250                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 251                             hasFrom = true;
 252                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 253                             hasTo = true;
 254                     }
 255                     if (hasFrom && hasTo)
 256                     {
 257                         if (from != null)
 258                         {
 259                             int which_index = 0;
 260                             for (; which_index < info.indexInfos.size(); ++which_index)
 261                             {
 262                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 263                                         Locale.US).equals(from))
 264                                     break;
 265                             }
 266                             intent.putExtra(C.INDEX_SHORT_NAME,
 267                                     info.indexInfos.get(which_index).shortName);
 268
 269                         }
 270                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 271                                 .toString());
 272                         break;
 273                     }
 274                 }
 275
 276             }
 277         }
 278         /**
 279          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 280          *         simple query Arguments follow from android standard (see
 281          *         documentation)
 282          */
 283         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH))
 284         {
 285             String query = intent.getStringExtra(SearchManager.QUERY);
 286             if (query != null)
 287                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 288         }
 289         /**
 290          * @author Dominik Köppl If no dictionary is chosen, use the default
 291          *         dictionary specified in the preferences If this step does
 292          *         fail (no default directory specified), show a toast and
 293          *         abort.
 294          */
 295         if (intent.getStringExtra(C.DICT_FILE) == null)
 296         {
 297             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 298             if (dictfile != null)
 299                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 300         }
 301         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 302
 303         if (dictFilename == null)
 304         {
 305             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 306             startActivity(DictionaryManagerActivity.getLaunchIntent());
 307             finish();
 308             return;
 309         }
 310         if (dictFilename != null)
 311             dictFile = new File(dictFilename);
 312
 313         ttsReady = false;
 314         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 315             @Override
 316             public void onInit(int status) {
 317                 ttsReady = true;
 318                 updateTTSLanguage();
 319             }
 320         });
 321
 322         try {
 323             final String name = application.getDictionaryName(dictFile.getName());
 324             this.setTitle("QuickDic: " + name);
 325             dictRaf = new RandomAccessFile(dictFile, "r");
 326             dictionary = new Dictionary(dictRaf);
 327         } catch (Exception e) {
 328             Log.e(LOG, "Unable to load dictionary.", e);
 329             if (dictRaf != null) {
 330                 try {
 331                     dictRaf.close();
 332                 } catch (IOException e1) {
 333                     Log.e(LOG, "Unable to close dictRaf.", e1);
 334                 }
 335                 dictRaf = null;
 336             }
 337             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 338                     Toast.LENGTH_LONG).show();
 339             startActivity(DictionaryManagerActivity.getLaunchIntent());
 340             finish();
 341             return;
 342         }
 343         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 344         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 345             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 346         }
 347         indexIndex = 0;
 348         for (int i = 0; i < dictionary.indices.size(); ++i) {
 349             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 350                 indexIndex = i;
 351                 break;
 352             }
 353         }
 354         Log.d(LOG, "Loading index " + indexIndex);
 355         index = dictionary.indices.get(indexIndex);
 356         setListAdapter(new IndexAdapter(index));
 357
 358         // Pre-load the collators.
 359         new Thread(new Runnable() {
 360             public void run() {
 361                 final long startMillis = System.currentTimeMillis();
 362                 try {
 363                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 364                         @Override
 365                         public void onTransliteratorReady() {
 366                             uiHandler.post(new Runnable() {
 367                                 @Override
 368                                 public void run() {
 369                                     onSearchTextChange(searchView.getQuery().toString());
 370                                 }
 371                             });
 372                         }
 373                     });
 374
 375                     for (final Index index : dictionary.indices) {
 376                         final String searchToken = index.sortedIndexEntries.get(0).token;
 377                         final IndexEntry entry = index.findExact(searchToken);
 378                         if (!searchToken.equals(entry.token)) {
 379                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + entry.token);
 380                         }
 381                     }
 382                     indexPrepFinished = true;
 383                 } catch (Exception e) {
 384                     Log.w(LOG,
 385                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 386                 }
 387                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 388             }
 389         }).start();
 390
 391         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.ttf.jpg");
 392         if ("SYSTEM".equals(fontName)) {
 393             typeface = Typeface.DEFAULT;
 394         } else {
 395             try {
 396                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 397             } catch (Exception e) {
 398                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 399                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 400                         Toast.LENGTH_LONG).show();
 401             }
 402         }
 403         if (typeface == null) {
 404             Log.w(LOG, "Unable to create typeface, using default.");
 405             typeface = Typeface.DEFAULT;
 406         }
 407         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 408         try {
 409             fontSizeSp = Integer.parseInt(fontSize.trim());
 410         } catch (NumberFormatException e) {
 411             fontSizeSp = 14;
 412         }
 413
 414         setContentView(R.layout.dictionary_activity);
 415
 416         // ContextMenu.
 417         registerForContextMenu(getListView());
 418
 419         // Cache some prefs.
 420         wordList = application.getWordListFile();
 421         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 422                 false);
 423         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 424                 false);
 425         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 426
 427         onCreateSetupActionBarAndSearchView();
 428
 429         // Set the search text from the intent, then the saved state.
 430         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 431         if (savedInstanceState != null) {
 432             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 433         }
 434         if (text == null) {
 435             text = "";
 436         }
 437         setSearchText(text, true);
 438         Log.d(LOG, "Trying to restore searchText=" + text);
 439
 440         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 441
 442         updateLangButton();
 443         searchView.requestFocus();
 444
 445         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 446 //        getListView().setCacheColorHint(0);
 447     }
 448
 449     private void onCreateSetupActionBarAndSearchView() {
 450         ActionBar actionBar = getSupportActionBar();
 451         actionBar.setDisplayShowTitleEnabled(false);
 452         actionBar.setDisplayShowHomeEnabled(false);
 453         actionBar.setDisplayHomeAsUpEnabled(false);
 454
 455         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 456
 457         final int width = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 300,
 458                 getResources().getDisplayMetrics());
 459         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 460                 width, ViewGroup.LayoutParams.WRAP_CONTENT);
 461         customSearchView.setLayoutParams(layoutParams);
 462
 463         languageButton = new ImageButton(customSearchView.getContext());
 464         languageButton.setMinimumWidth(application.languageButtonPixels);
 465         languageButton.setMinimumHeight(application.languageButtonPixels * 2 / 3);
 466         languageButton.setScaleType(ScaleType.FIT_CENTER);
 467         languageButton.setOnClickListener(new OnClickListener() {
 468             @Override
 469             public void onClick(View arg0) {
 470                 onLanguageButtonClick();
 471             }
 472         });
 473         languageButton.setOnLongClickListener(new OnLongClickListener() {
 474             @Override
 475             public boolean onLongClick(View v) {
 476                 onLanguageButtonLongClick(v.getContext());
 477                 return true;
 478             }
 479         });
 480         customSearchView.addView(languageButton);
 481
 482         searchView = new SearchView(getSupportActionBar().getThemedContext());
 483         searchView.setIconifiedByDefault(false);
 484         // searchView.setIconified(false); // puts the magnifying glass in the
 485         // wrong place.
 486         searchView.setQueryHint(getString(R.string.searchText));
 487         searchView.setSubmitButtonEnabled(false);
 488         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 489                 FrameLayout.LayoutParams.WRAP_CONTENT);
 490         lp.weight = 1;
 491         searchView.setLayoutParams(lp);
 492         searchView.setImeOptions(
 493                 EditorInfo.IME_ACTION_SEARCH |
 494                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 495                         EditorInfo.IME_FLAG_NO_ENTER_ACTION |
 496                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 497                         // 11
 498                         EditorInfo.IME_MASK_ACTION |
 499                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 500         onQueryTextListener = new OnQueryTextListener() {
 501             @Override
 502             public boolean onQueryTextSubmit(String query) {
 503                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 504                 return true;
 505             }
 506
 507             @Override
 508             public boolean onQueryTextChange(String newText) {
 509                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 510                 onSearchTextChange(searchView.getQuery().toString());
 511                 return true;
 512             }
 513         };
 514         searchView.setOnQueryTextListener(onQueryTextListener);
 515         searchView.setFocusable(true);
 516         customSearchView.addView(searchView);
 517
 518         // Clear the searchHint icon so that it takes as little space as possible.
 519         ImageView searchHintIcon = (ImageView) searchView.findViewById(R.id.abs__search_mag_icon);
 520         searchHintIcon.setBackgroundResource(android.R.color.transparent);
 521         searchHintIcon.setLayoutParams(new LinearLayout.LayoutParams(1, 1));
 522         searchHintIcon.setAdjustViewBounds(true);
 523         searchHintIcon.setPadding(0, 0, 0, 0);
 524
 525         actionBar.setCustomView(customSearchView);
 526         actionBar.setDisplayShowCustomEnabled(true);
 527     }
 528
 529     @Override
 530     protected void onResume() {
 531         Log.d(LOG, "onResume");
 532         super.onResume();
 533         if (PreferenceActivity.prefsMightHaveChanged) {
 534             PreferenceActivity.prefsMightHaveChanged = false;
 535             finish();
 536             startActivity(getIntent());
 537         }
 538         showKeyboard();
 539     }
 540
 541     @Override
 542     protected void onPause() {
 543         super.onPause();
 544     }
 545
 546     @Override
 547     /**
 548      * Invoked when MyWebView returns, since the user might have clicked some
 549      * hypertext in the MyWebView.
 550      */
 551     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 552         super.onActivityResult(requestCode, resultCode, result);
 553         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 554             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 555             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 556         }
 557     }
 558
 559     private static void setDictionaryPrefs(final Context context, final File dictFile,
 560             final String indexShortName, final String searchToken) {
 561         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 562                 context).edit();
 563         prefs.putString(C.DICT_FILE, dictFile.getPath());
 564         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 565         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 566         prefs.commit();
 567     }
 568
 569     @Override
 570     protected void onDestroy() {
 571         super.onDestroy();
 572         if (dictRaf == null) {
 573             return;
 574         }
 575
 576         final SearchOperation searchOperation = currentSearchOperation;
 577         currentSearchOperation = null;
 578
 579         // Before we close the RAF, we have to wind the current search down.
 580         if (searchOperation != null) {
 581             Log.d(LOG, "Interrupting search to shut down.");
 582             currentSearchOperation = null;
 583             searchOperation.interrupted.set(true);
 584         }
 585
 586         try {
 587             Log.d(LOG, "Closing RAF.");
 588             dictRaf.close();
 589         } catch (IOException e) {
 590             Log.e(LOG, "Failed to close dictionary", e);
 591         }
 592         dictRaf = null;
 593     }
 594
 595     // --------------------------------------------------------------------------
 596     // Buttons
 597     // --------------------------------------------------------------------------
 598
 599     private void showKeyboard() {
 600         // For some reason, this doesn't always work the first time.
 601         // One way to replicate the problem:
 602         // Press the "task switch" button repeatedly to pause and resume
 603         for (int delay = 1; delay <= 101; delay += 100) {
 604             searchView.postDelayed(new Runnable() {
 605                 @Override
 606                 public void run() {
 607                     Log.d(LOG, "Trying to show soft keyboard.");
 608                     final boolean searchTextHadFocus = searchView.hasFocus();
 609                     searchView.requestFocusFromTouch();
 610                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 611                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 612                     if (!searchTextHadFocus) {
 613                         defocusSearchText();
 614                     }
 615                 }
 616             }, delay);
 617         }
 618     }
 619
 620     void updateLangButton() {
 621         final LanguageResources languageResources =
 622                 Language.isoCodeToResources.get(index.shortName);
 623         if (languageResources != null && languageResources.flagId != 0) {
 624             languageButton.setImageResource(languageResources.flagId);
 625         } else {
 626             if (indexIndex % 2 == 0) {
 627                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 628             } else {
 629                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 630             }
 631         }
 632         updateTTSLanguage();
 633     }
 634
 635     private void updateTTSLanguage() {
 636         if (!ttsReady || index == null || textToSpeech == null) {
 637             Log.d(LOG, "Can't updateTTSLanguage.");
 638             return;
 639         }
 640         final Locale locale = new Locale(index.sortLanguage.getIsoCode());
 641         Log.d(LOG, "Setting TTS locale to: " + locale);
 642         final int ttsResult = textToSpeech.setLanguage(locale);
 643         if (ttsResult != TextToSpeech.LANG_AVAILABLE ||
 644                 ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 645             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 646         }
 647     }
 648
 649     void onLanguageButtonClick() {
 650         if (dictionary.indices.size() == 1) {
 651             // No need to work to switch indices.
 652             return;
 653         }
 654         if (currentSearchOperation != null) {
 655             currentSearchOperation.interrupted.set(true);
 656             currentSearchOperation = null;
 657         }
 658         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 659                 searchView.getQuery().toString());
 660     }
 661
 662     void onLanguageButtonLongClick(final Context context) {
 663         final Dialog dialog = new Dialog(context);
 664         dialog.setContentView(R.layout.select_dictionary_dialog);
 665         dialog.setTitle(R.string.selectDictionary);
 666
 667         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 668
 669         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 670         final Button button = new Button(listView.getContext());
 671         final String name = getString(R.string.dictionaryManager);
 672         button.setText(name);
 673         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 674                 DictionaryManagerActivity.getLaunchIntent()) {
 675             @Override
 676             protected void onGo() {
 677                 dialog.dismiss();
 678                 DictionaryActivity.this.finish();
 679             };
 680         };
 681         button.setOnClickListener(intentLauncher);
 682         listView.addHeaderView(button);
 683
 684         listView.setAdapter(new BaseAdapter() {
 685             @Override
 686             public View getView(int position, View convertView, ViewGroup parent) {
 687                 final DictionaryInfo dictionaryInfo = getItem(position);
 688
 689                 final LinearLayout result = new LinearLayout(parent.getContext());
 690
 691                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 692                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 693                     final View button = application.createButton(parent.getContext(),
 694                             dictionaryInfo, indexInfo);
 695                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 696                             getLaunchIntent(
 697                                     application.getPath(dictionaryInfo.uncompressedFilename),
 698                                     indexInfo.shortName, searchView.getQuery().toString())) {
 699                         @Override
 700                         protected void onGo() {
 701                             dialog.dismiss();
 702                             DictionaryActivity.this.finish();
 703                         };
 704                     };
 705                     button.setOnClickListener(intentLauncher);
 706                     result.addView(button);
 707                 }
 708
 709                 final TextView nameView = new TextView(parent.getContext());
 710                 final String name = application
 711                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 712                 nameView.setText(name);
 713                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 714                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 715                 layoutParams.width = 0;
 716                 layoutParams.weight = 1.0f;
 717                 nameView.setLayoutParams(layoutParams);
 718                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 719                 result.addView(nameView);
 720                 return result;
 721             }
 722
 723             @Override
 724             public long getItemId(int position) {
 725                 return position;
 726             }
 727
 728             @Override
 729             public DictionaryInfo getItem(int position) {
 730                 return installedDicts.get(position);
 731             }
 732
 733             @Override
 734             public int getCount() {
 735                 return installedDicts.size();
 736             }
 737         });
 738         dialog.show();
 739     }
 740
 741     void onUpDownButton(final boolean up) {
 742         if (isFiltered()) {
 743             return;
 744         }
 745         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 746         final RowBase row = index.rows.get(firstVisibleRow);
 747         final TokenRow tokenRow = row.getTokenRow(true);
 748         final int destIndexEntry;
 749         if (up) {
 750             if (row != tokenRow) {
 751                 destIndexEntry = tokenRow.referenceIndex;
 752             } else {
 753                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 754             }
 755         } else {
 756             // Down
 757             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
 758         }
 759         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 760         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 761         setSearchText(dest.token, false);
 762         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 763         defocusSearchText();
 764     }
 765
 766     // --------------------------------------------------------------------------
 767     // Options Menu
 768     // --------------------------------------------------------------------------
 769
 770     final Random random = new Random();
 771
 772     @Override
 773     public boolean onCreateOptionsMenu(final Menu menu) {
 774
 775         if (PreferenceManager.getDefaultSharedPreferences(this)
 776                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 777             // Next word.
 778             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 779                     .setIcon(R.drawable.arrow_down_float);
 780             nextWordMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
 781             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 782                 @Override
 783                 public boolean onMenuItemClick(MenuItem item) {
 784                     onUpDownButton(false);
 785                     return true;
 786                 }
 787             });
 788
 789             // Previous word.
 790             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 791                     .setIcon(R.drawable.arrow_up_float);
 792             previousWordMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
 793             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 794                 @Override
 795                 public boolean onMenuItemClick(MenuItem item) {
 796                     onUpDownButton(true);
 797                     return true;
 798                 }
 799             });
 800         }
 801
 802         application.onCreateGlobalOptionsMenu(this, menu);
 803
 804         {
 805             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 806             dictionaryManager.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
 807             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 808                 public boolean onMenuItemClick(final MenuItem menuItem) {
 809                     startActivity(DictionaryManagerActivity.getLaunchIntent());
 810                     finish();
 811                     return false;
 812                 }
 813             });
 814         }
 815
 816         {
 817             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 818             aboutDictionary.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
 819             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 820                 public boolean onMenuItemClick(final MenuItem menuItem) {
 821                     final Context context = getListView().getContext();
 822                     final Dialog dialog = new Dialog(context);
 823                     dialog.setContentView(R.layout.about_dictionary_dialog);
 824                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 825
 826                     final String name = application.getDictionaryName(dictFile.getName());
 827                     dialog.setTitle(name);
 828
 829                     final StringBuilder builder = new StringBuilder();
 830                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 831                     dictionaryInfo.uncompressedBytes = dictFile.length();
 832                     if (dictionaryInfo != null) {
 833                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 834                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 835                                 .append("\n");
 836                         builder.append(
 837                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 838                                 .append("\n");
 839                         builder.append(
 840                                 getString(R.string.dictionaryCreationTime,
 841                                         dictionaryInfo.creationMillis)).append("\n");
 842                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 843                             builder.append("\n");
 844                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 845                                     .append("\n");
 846                             builder.append(
 847                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 848                                     .append("\n");
 849                         }
 850                         builder.append("\n");
 851                         builder.append(getString(R.string.sources)).append("\n");
 852                         for (final EntrySource source : dictionary.sources) {
 853                             builder.append(
 854                                     getString(R.string.sourceInfo, source.getName(),
 855                                             source.getNumEntries())).append("\n");
 856                         }
 857                     }
 858                     textView.setText(builder.toString());
 859
 860                     dialog.show();
 861                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 862                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 863                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 864                     dialog.getWindow().setAttributes(layoutParams);
 865                     return false;
 866                 }
 867             });
 868         }
 869
 870         return true;
 871     }
 872
 873     // --------------------------------------------------------------------------
 874     // Context Menu + clicks
 875     // --------------------------------------------------------------------------
 876
 877     @Override
 878     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 879         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 880         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 881
 882         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 883                 wordList.getName()));
 884         addToWordlist
 885                 .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 886                     public boolean onMenuItemClick(android.view.MenuItem item) {
 887                         onAppendToWordList(row);
 888                         return false;
 889                     }
 890                 });
 891
 892         final android.view.MenuItem share = menu.add("Share");
 893         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 894             public boolean onMenuItemClick(android.view.MenuItem item) {
 895                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
 896                 shareIntent.setType("text/plain");
 897                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
 898                         .getToken());
 899                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
 900                         row.getRawText(saveOnlyFirstSubentry));
 901                 startActivity(shareIntent);
 902                 return false;
 903             }
 904         });
 905
 906         final android.view.MenuItem copy = menu.add(android.R.string.copy);
 907         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 908             public boolean onMenuItemClick(android.view.MenuItem item) {
 909                 onCopy(row);
 910                 return false;
 911             }
 912         });
 913
 914         if (selectedSpannableText != null) {
 915             final String selectedText = selectedSpannableText;
 916             final android.view.MenuItem searchForSelection = menu.add(getString(
 917                     R.string.searchForSelection,
 918                     selectedSpannableText));
 919             searchForSelection
 920                     .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 921                         public boolean onMenuItemClick(android.view.MenuItem item) {
 922                             jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
 923                             return false;
 924                         }
 925                     });
 926             // Rats, this won't be shown:
 927             searchForSelection.setIcon(R.drawable.abs__ic_search);
 928         }
 929
 930         if (row instanceof TokenRow && ttsReady) {
 931             final android.view.MenuItem speak = menu.add(R.string.speak);
 932             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 933                 @Override
 934                 public boolean onMenuItemClick(android.view.MenuItem item) {
 935                     textToSpeech.speak(((TokenRow) row).getToken(), TextToSpeech.QUEUE_FLUSH,
 936                             new HashMap<String, String>());
 937                     return false;
 938                 }
 939             });
 940         }
 941     }
 942
 943     private void jumpToTextFromHyperLink(
 944             final String selectedText, final int defaultIndexToUse) {
 945         int indexToUse = -1;
 946         for (int i = 0; i < dictionary.indices.size(); ++i) {
 947             final Index index = dictionary.indices.get(i);
 948             if (indexPrepFinished) {
 949                 System.out.println("Doing index lookup: on " + selectedText);
 950                 final IndexEntry indexEntry = index.findExact(selectedText);
 951                 if (indexEntry != null) {
 952                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
 953                             .getTokenRow(false);
 954                     if (tokenRow != null && tokenRow.hasMainEntry) {
 955                         indexToUse = i;
 956                         break;
 957                     }
 958                 }
 959             } else {
 960                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
 961             }
 962         }
 963         if (indexToUse == -1) {
 964             indexToUse = defaultIndexToUse;
 965         }
 966         // Without this extra delay, the call to jumpToRow that this
 967         // invokes doesn't always actually have any effect.
 968         final int actualIndexToUse = indexToUse;
 969         getListView().postDelayed(new Runnable() {
 970             @Override
 971             public void run() {
 972                 setIndexAndSearchText(actualIndexToUse, selectedText);
 973             }
 974         }, 100);
 975     }
 976
 977     /**
 978      * Called when user clicks outside of search text, so that they can start
 979      * typing again immediately.
 980      */
 981     void defocusSearchText() {
 982         // Log.d(LOG, "defocusSearchText");
 983         // Request focus so that if we start typing again, it clears the text
 984         // input.
 985         getListView().requestFocus();
 986
 987         // Visual indication that a new keystroke will clear the search text.
 988         // Doesn't seem to work unless earchText has focus.
 989         // searchView.selectAll();
 990     }
 991
 992     @Override
 993     protected void onListItemClick(ListView l, View v, int row, long id) {
 994         defocusSearchText();
 995         if (clickOpensContextMenu && dictRaf != null) {
 996             openContextMenu(v);
 997         }
 998     }
 999
1000     @SuppressLint("SimpleDateFormat")
1001     void onAppendToWordList(final RowBase row) {
1002         defocusSearchText();
1003
1004         final StringBuilder rawText = new StringBuilder();
1005         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1006         rawText.append(index.longName).append("\t");
1007         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1008         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1009         Log.d(LOG, "Writing : " + rawText);
1010
1011         try {
1012             wordList.getParentFile().mkdirs();
1013             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1014             out.println(rawText.toString());
1015             out.close();
1016         } catch (Exception e) {
1017             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1018             Toast.makeText(this,
1019                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1020                     Toast.LENGTH_LONG).show();
1021         }
1022         return;
1023     }
1024
1025     @SuppressWarnings("deprecation")
1026     void onCopy(final RowBase row) {
1027         defocusSearchText();
1028
1029         Log.d(LOG, "Copy, row=" + row);
1030         final StringBuilder result = new StringBuilder();
1031         result.append(row.getRawText(false));
1032         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1033         clipboardManager.setText(result.toString());
1034         Log.d(LOG, "Copied: " + result);
1035     }
1036
1037     @Override
1038     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1039         if (event.getUnicodeChar() != 0) {
1040             if (!searchView.hasFocus()) {
1041                 setSearchText("" + (char) event.getUnicodeChar(), true);
1042                 searchView.requestFocus();
1043             }
1044             return true;
1045         }
1046         if (keyCode == KeyEvent.KEYCODE_BACK) {
1047             // Log.d(LOG, "Clearing dictionary prefs.");
1048             // Pretend that we just autolaunched so that we won't do it again.
1049             // DictionaryManagerActivity.lastAutoLaunchMillis =
1050             // System.currentTimeMillis();
1051         }
1052         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1053             Log.d(LOG, "Trying to hide soft keyboard.");
1054             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1055             inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),
1056                     InputMethodManager.HIDE_NOT_ALWAYS);
1057             return true;
1058         }
1059         return super.onKeyDown(keyCode, event);
1060     }
1061
1062     private void setIndexAndSearchText(int newIndex, String newSearchText) {
1063         Log.d(LOG, "Changing index to: " + newIndex);
1064         if (newIndex == -1) {
1065             Log.e(LOG, "Invalid index.");
1066             newIndex = 0;
1067         }
1068         if (newIndex != indexIndex) {
1069             indexIndex = newIndex;
1070             index = dictionary.indices.get(indexIndex);
1071             indexAdapter = new IndexAdapter(index);
1072             setListAdapter(indexAdapter);
1073             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1074             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1075             updateLangButton();
1076         }
1077         setSearchText(newSearchText, true);
1078     }
1079
1080     private void setSearchText(final String text, final boolean triggerSearch) {
1081         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1082         // Disable the listener, because sometimes it doesn't work.
1083         searchView.setOnQueryTextListener(null);
1084         searchView.setQuery(text, false);
1085         moveCursorToRight();
1086         searchView.setOnQueryTextListener(onQueryTextListener);
1087         if (triggerSearch) {
1088             onQueryTextListener.onQueryTextChange(text);
1089         }
1090     }
1091
1092     // private long cursorDelayMillis = 100;
1093     private void moveCursorToRight() {
1094         // if (searchText.getLayout() != null) {
1095         // cursorDelayMillis = 100;
1096         // // Surprising, but this can crash when you rotate...
1097         // Selection.moveToRightEdge(searchView.getQuery(),
1098         // searchText.getLayout());
1099         // } else {
1100         // uiHandler.postDelayed(new Runnable() {
1101         // @Override
1102         // public void run() {
1103         // moveCursorToRight();
1104         // }
1105         // }, cursorDelayMillis);
1106         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1107         // }
1108     }
1109
1110     // --------------------------------------------------------------------------
1111     // SearchOperation
1112     // --------------------------------------------------------------------------
1113
1114     private void searchFinished(final SearchOperation searchOperation) {
1115         if (searchOperation.interrupted.get()) {
1116             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1117             return;
1118         }
1119         if (searchOperation != this.currentSearchOperation) {
1120             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1121             return;
1122         }
1123
1124         final Index.IndexEntry searchResult = searchOperation.searchResult;
1125         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1126
1127         currentSearchOperation = null;
1128         uiHandler.postDelayed(new Runnable() {
1129             @Override
1130             public void run() {
1131                 if (currentSearchOperation == null) {
1132                     if (searchResult != null) {
1133                         if (isFiltered()) {
1134                             clearFiltered();
1135                         }
1136                         jumpToRow(searchResult.startRow);
1137                     } else if (searchOperation.multiWordSearchResult != null) {
1138                         // Multi-row search....
1139                         setFiltered(searchOperation);
1140                     } else {
1141                         throw new IllegalStateException("This should never happen.");
1142                     }
1143                 } else {
1144                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1145                 }
1146             }
1147         }, 20);
1148     }
1149
1150     private final void jumpToRow(final int row) {
1151         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1152         // getListView().requestFocusFromTouch();
1153         getListView().setSelectionFromTop(row, 0);
1154         getListView().setSelected(true);
1155     }
1156
1157     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1158
1159     final class SearchOperation implements Runnable {
1160
1161         final AtomicBoolean interrupted = new AtomicBoolean(false);
1162
1163         final String searchText;
1164
1165         List<String> searchTokens; // filled in for multiWord.
1166
1167         final Index index;
1168
1169         long searchStartMillis;
1170
1171         Index.IndexEntry searchResult;
1172
1173         List<RowBase> multiWordSearchResult;
1174
1175         boolean done = false;
1176
1177         SearchOperation(final String searchText, final Index index) {
1178             this.searchText = StringUtil.normalizeWhitespace(searchText);
1179             this.index = index;
1180         }
1181
1182         public String toString() {
1183             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1184         }
1185
1186         @Override
1187         public void run() {
1188             try {
1189                 searchStartMillis = System.currentTimeMillis();
1190                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1191                 if (searchTokenArray.length == 1) {
1192                     searchResult = index.findInsertionPoint(searchText, interrupted);
1193                 } else {
1194                     searchTokens = Arrays.asList(searchTokenArray);
1195                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1196                             interrupted);
1197                 }
1198                 Log.d(LOG,
1199                         "searchText=" + searchText + ", searchDuration="
1200                                 + (System.currentTimeMillis() - searchStartMillis)
1201                                 + ", interrupted=" + interrupted.get());
1202                 if (!interrupted.get()) {
1203                     uiHandler.post(new Runnable() {
1204                         @Override
1205                         public void run() {
1206                             searchFinished(SearchOperation.this);
1207                         }
1208                     });
1209                 } else {
1210                     Log.d(LOG, "interrupted, skipping searchFinished.");
1211                 }
1212             } catch (Exception e) {
1213                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1214             } finally {
1215                 synchronized (this) {
1216                     done = true;
1217                     this.notifyAll();
1218                 }
1219             }
1220         }
1221     }
1222
1223     // --------------------------------------------------------------------------
1224     // IndexAdapter
1225     // --------------------------------------------------------------------------
1226
1227     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1228             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1229
1230     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1231             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1232
1233     final class IndexAdapter extends BaseAdapter {
1234
1235         private static final float PADDING_DEFAULT_DP = 8;
1236
1237         private static final float PADDING_LARGE_DP = 16;
1238
1239         final Index index;
1240
1241         final List<RowBase> rows;
1242
1243         final Set<String> toHighlight;
1244
1245         private int mPaddingDefault;
1246
1247         private int mPaddingLarge;
1248
1249         IndexAdapter(final Index index) {
1250             this.index = index;
1251             rows = index.rows;
1252             this.toHighlight = null;
1253             getMetrics();
1254         }
1255
1256         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1257             this.index = index;
1258             this.rows = rows;
1259             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1260             getMetrics();
1261         }
1262
1263         private void getMetrics() {
1264             // Get the screen's density scale
1265             final float scale = getResources().getDisplayMetrics().density;
1266             // Convert the dps to pixels, based on density scale
1267             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1268             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1269         }
1270
1271         @Override
1272         public int getCount() {
1273             return rows.size();
1274         }
1275
1276         @Override
1277         public RowBase getItem(int position) {
1278             return rows.get(position);
1279         }
1280
1281         @Override
1282         public long getItemId(int position) {
1283             return getItem(position).index();
1284         }
1285
1286         @Override
1287         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1288             final TableLayout result;
1289             if (convertView instanceof TableLayout) {
1290                 result = (TableLayout) convertView;
1291                 result.removeAllViews();
1292             } else {
1293                 result = new TableLayout(parent.getContext());
1294             }
1295             final RowBase row = getItem(position);
1296             if (row instanceof PairEntry.Row) {
1297                 return getView(position, (PairEntry.Row) row, parent, result);
1298             } else if (row instanceof TokenRow) {
1299                 return getView((TokenRow) row, parent, result);
1300             } else if (row instanceof HtmlEntry.Row) {
1301                 return getView((HtmlEntry.Row) row, parent, result);
1302             } else {
1303                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1304             }
1305         }
1306
1307         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1308                 final TableLayout result) {
1309             final PairEntry entry = row.getEntry();
1310             final int rowCount = entry.pairs.size();
1311
1312             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1313             layoutParams.weight = 0.5f;
1314             layoutParams.leftMargin = mPaddingLarge;
1315
1316             for (int r = 0; r < rowCount; ++r) {
1317                 final TableRow tableRow = new TableRow(result.getContext());
1318
1319                 final TextView col1 = new TextView(tableRow.getContext());
1320                 final TextView col2 = new TextView(tableRow.getContext());
1321
1322                 // Set the columns in the table.
1323                 if (r > 0) {
1324                     final TextView bullet = new TextView(tableRow.getContext());
1325                     bullet.setText(" • ");
1326                     tableRow.addView(bullet);
1327                 }
1328                 tableRow.addView(col1, layoutParams);
1329                 final TextView margin = new TextView(tableRow.getContext());
1330                 margin.setText(" ");
1331                 tableRow.addView(margin);
1332                 if (r > 0) {
1333                     final TextView bullet = new TextView(tableRow.getContext());
1334                     bullet.setText(" • ");
1335                     tableRow.addView(bullet);
1336                 }
1337                 tableRow.addView(col2, layoutParams);
1338                 col1.setWidth(1);
1339                 col2.setWidth(1);
1340
1341                 // Set what's in the columns.
1342
1343                 final Pair pair = entry.pairs.get(r);
1344                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1345                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1346
1347                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1348                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1349
1350                 // Bold the token instances in col1.
1351                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1352                         .singleton(row.getTokenRow(true).getToken());
1353                 final Spannable col1Spannable = (Spannable) col1.getText();
1354                 for (final String token : toBold) {
1355                     int startPos = 0;
1356                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1357                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1358                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1359                         startPos += token.length();
1360                     }
1361                 }
1362
1363                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1364                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1365
1366                 col1.setTypeface(typeface);
1367                 col2.setTypeface(typeface);
1368                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1369                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1370                 // col2.setBackgroundResource(theme.otherLangBg);
1371
1372                 if (index.swapPairEntries) {
1373                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1374                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1375                 } else {
1376                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1377                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1378                 }
1379
1380                 result.addView(tableRow);
1381             }
1382
1383             // Because we have a Button inside a ListView row:
1384             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1385             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1386             result.setClickable(true);
1387             result.setFocusable(true);
1388             result.setLongClickable(true);
1389 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1390
1391             result.setBackgroundResource(theme.normalRowBg);
1392
1393             result.setOnClickListener(new TextView.OnClickListener() {
1394                 @Override
1395                 public void onClick(View v) {
1396                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1397                 }
1398             });
1399
1400             return result;
1401         }
1402
1403         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1404                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1405                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1406             final Context context = parent.getContext();
1407
1408             final TableRow tableRow = new TableRow(result.getContext());
1409             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1410                     : theme.tokenRowOtherBg);
1411             if (isTokenRow) {
1412                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1413             } else {
1414                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1415             }
1416             result.addView(tableRow);
1417
1418             // Make it so we can long-click on these token rows, too:
1419             final TextView textView = new TextView(context);
1420             textView.setText(text, BufferType.SPANNABLE);
1421             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1422             final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1423                     0);
1424             textView.setOnLongClickListener(textViewLongClickListenerIndex0);
1425             result.setLongClickable(true);
1426
1427             // Doesn't work:
1428             // textView.setTextColor(android.R.color.secondary_text_light);
1429             textView.setTypeface(typeface);
1430             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1431             if (isTokenRow) {
1432                 textView.setTextAppearance(context, theme.tokenRowFg);
1433                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1434             } else {
1435                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1436             }
1437             lp.weight = 1.0f;
1438
1439             textView.setLayoutParams(lp);
1440             tableRow.addView(textView);
1441
1442             if (!htmlEntries.isEmpty()) {
1443                 final ClickableSpan clickableSpan = new ClickableSpan() {
1444                     @Override
1445                     public void onClick(View widget) {
1446                     }
1447                 };
1448                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1449                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1450                 result.setClickable(true);
1451                 textView.setClickable(true);
1452                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1453                 textView.setOnClickListener(new OnClickListener() {
1454                     @Override
1455                     public void onClick(View v) {
1456                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1457                         // Log.d(LOG, "html=" + html);
1458                         startActivityForResult(
1459                                 HtmlDisplayActivity.getHtmlIntent(String.format(
1460                                         "<html><head></head><body>%s</body></html>", html),
1461                                         htmlTextToHighlight, false),
1462                                 0);
1463                     }
1464                 });
1465             }
1466             return result;
1467         }
1468
1469         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1470             final IndexEntry indexEntry = row.getIndexEntry();
1471             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1472                     indexEntry.htmlEntries, null, parent, result);
1473         }
1474
1475         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1476             final HtmlEntry htmlEntry = row.getEntry();
1477             final TokenRow tokenRow = row.getTokenRow(true);
1478             return getPossibleLinkToHtmlEntryView(false,
1479                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1480                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1481                     result);
1482         }
1483
1484     }
1485
1486     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1487
1488     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1489             final String text) {
1490         // Saw from the source code that LinkMovementMethod sets the selection!
1491         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1492         textView.setMovementMethod(LinkMovementMethod.getInstance());
1493         final Matcher matcher = CHAR_DASH.matcher(text);
1494         while (matcher.find()) {
1495             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1496                     matcher.end(),
1497                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1498         }
1499     }
1500
1501     String selectedSpannableText = null;
1502
1503     int selectedSpannableIndex = -1;
1504
1505     @Override
1506     public boolean onTouchEvent(MotionEvent event) {
1507         selectedSpannableText = null;
1508         selectedSpannableIndex = -1;
1509         return super.onTouchEvent(event);
1510     }
1511
1512     private class TextViewLongClickListener implements OnLongClickListener {
1513         final int index;
1514
1515         private TextViewLongClickListener(final int index) {
1516             this.index = index;
1517         }
1518
1519         @Override
1520         public boolean onLongClick(final View v) {
1521             final TextView textView = (TextView) v;
1522             final int start = textView.getSelectionStart();
1523             final int end = textView.getSelectionEnd();
1524             if (start >= 0 && end >= 0) {
1525                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1526                 selectedSpannableIndex = index;
1527             }
1528             return false;
1529         }
1530     }
1531
1532     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1533             0);
1534
1535     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1536             1);
1537
1538     // --------------------------------------------------------------------------
1539     // SearchText
1540     // --------------------------------------------------------------------------
1541
1542     void onSearchTextChange(final String text) {
1543         if ("thadolina".equals(text)) {
1544             final Dialog dialog = new Dialog(getListView().getContext());
1545             dialog.setContentView(R.layout.thadolina_dialog);
1546             dialog.setTitle("Ti amo, amore mio!");
1547             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1548             imageView.setOnClickListener(new OnClickListener() {
1549                 @Override
1550                 public void onClick(View v) {
1551                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1552                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1553                     startActivity(intent);
1554                 }
1555             });
1556             dialog.show();
1557         }
1558         if (dictRaf == null) {
1559             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1560             return;
1561         }
1562         // if (!searchView.hasFocus()) {
1563         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1564         // return;
1565         // }
1566         Log.d(LOG, "onSearchTextChange: " + text);
1567         if (currentSearchOperation != null) {
1568             Log.d(LOG, "Interrupting currentSearchOperation.");
1569             currentSearchOperation.interrupted.set(true);
1570         }
1571         currentSearchOperation = new SearchOperation(text, index);
1572         searchExecutor.execute(currentSearchOperation);
1573     }
1574
1575     // --------------------------------------------------------------------------
1576     // Filtered results.
1577     // --------------------------------------------------------------------------
1578
1579     boolean isFiltered() {
1580         return rowsToShow != null;
1581     }
1582
1583     void setFiltered(final SearchOperation searchOperation) {
1584         if (nextWordMenuItem != null) {
1585             nextWordMenuItem.setEnabled(false);
1586             previousWordMenuItem.setEnabled(false);
1587         }
1588         rowsToShow = searchOperation.multiWordSearchResult;
1589         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1590     }
1591
1592     void clearFiltered() {
1593         if (nextWordMenuItem != null) {
1594             nextWordMenuItem.setEnabled(true);
1595             previousWordMenuItem.setEnabled(true);
1596         }
1597         setListAdapter(new IndexAdapter(index));
1598         rowsToShow = null;
1599     }
1600
1601 }