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().setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
 425         getListView().setEmptyView(findViewById(android.R.id.empty));
 426         getListView().setOnItemClickListener(new OnItemClickListener() {
 427             @Override
 428             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 429                 onListItemClick(getListView(), view, row, id);
 430             }
 431         });
 432
 433         setListAdapter(new IndexAdapter(index));
 434
 435         // Pre-load the Transliterator (will spawn its own thread)
 436         TransliteratorManager.init(new TransliteratorManager.Callback() {
 437             @Override
 438             public void onTransliteratorReady() {
 439                 uiHandler.post(new Runnable() {
 440                     @Override
 441                     public void run() {
 442                         onSearchTextChange(searchView.getQuery().toString());
 443                     }
 444                 });
 445             }
 446         }, DictionaryApplication.threadBackground);
 447
 448         // Pre-load the collators.
 449         new Thread(new Runnable() {
 450             public void run() {
 451                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_LESS_FAVORABLE);
 452                 final long startMillis = System.currentTimeMillis();
 453                 try {
 454                     for (final Index index : dictionary.indices) {
 455                         final String searchToken = index.sortedIndexEntries.get(0).token;
 456                         final IndexEntry entry = index.findExact(searchToken);
 457                         if (entry == null || !searchToken.equals(entry.token)) {
 458                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 459                         }
 460                     }
 461                     indexPrepFinished = true;
 462                 } catch (Exception e) {
 463                     Log.w(LOG,
 464                           "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 465                 }
 466                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 467             }
 468         }).start();
 469
 470         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 471         if ("SYSTEM".equals(fontName)) {
 472             typeface = Typeface.DEFAULT;
 473         } else if ("SERIF".equals(fontName)) {
 474             typeface = Typeface.SERIF;
 475         } else if ("SANS_SERIF".equals(fontName)) {
 476             typeface = Typeface.SANS_SERIF;
 477         } else if ("MONOSPACE".equals(fontName)) {
 478             typeface = Typeface.MONOSPACE;
 479         } else {
 480             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 481                 fontName = "FreeSerif.otf.jpg";
 482             }
 483             try {
 484                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 485             } catch (Exception e) {
 486                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 487                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 488                                Toast.LENGTH_LONG).show();
 489             }
 490         }
 491         if (typeface == null) {
 492             Log.w(LOG, "Unable to create typeface, using default.");
 493             typeface = Typeface.DEFAULT;
 494         }
 495         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 496         try {
 497             fontSizeSp = Integer.parseInt(fontSize.trim());
 498         } catch (NumberFormatException e) {
 499             fontSizeSp = 14;
 500         }
 501
 502         // ContextMenu.
 503         registerForContextMenu(getListView());
 504
 505         // Cache some prefs.
 506         wordList = application.getWordListFile();
 507         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 508                                 false);
 509         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 510                                 !getPackageManager().hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN));
 511         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 512
 513         onCreateSetupActionBarAndSearchView();
 514
 515         View floatSwapButton = findViewById(R.id.floatSwapButton);
 516         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 517             @Override
 518             public boolean onLongClick(View v) {
 519                 onLanguageButtonLongClick(v.getContext());
 520                 return true;
 521             }
 522         });
 523
 524         // Set the search text from the intent, then the saved state.
 525         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 526         if (savedInstanceState != null) {
 527             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 528         }
 529         if (text == null) {
 530             text = "";
 531         }
 532         setSearchText(text, true);
 533         Log.d(LOG, "Trying to restore searchText=" + text);
 534
 535         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 536
 537         updateLangButton();
 538         searchView.requestFocus();
 539
 540         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 541 //        getListView().setCacheColorHint(0);
 542     }
 543
 544     private void onCreateSetupActionBarAndSearchView() {
 545         ActionBar actionBar = getSupportActionBar();
 546         actionBar.setDisplayShowTitleEnabled(false);
 547         actionBar.setDisplayShowHomeEnabled(false);
 548         actionBar.setDisplayHomeAsUpEnabled(false);
 549
 550         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 551
 552         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 553             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 554         customSearchView.setLayoutParams(layoutParams);
 555
 556         languageButton = new ImageButton(customSearchView.getContext());
 557         languageButton.setId(R.id.languageButton);
 558         languageButton.setScaleType(ScaleType.FIT_CENTER);
 559         languageButton.setOnClickListener(new OnClickListener() {
 560             @Override
 561             public void onClick(View v) {
 562                 onLanguageButtonLongClick(v.getContext());
 563             }
 564         });
 565         languageButton.setAdjustViewBounds(true);
 566         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 567         customSearchView.addView(languageButton, lpb);
 568
 569         searchView = new SearchView(getSupportActionBar().getThemedContext());
 570         searchView.setId(R.id.searchView);
 571
 572         // Get rid of search icon, it takes up too much space.
 573         // There is still text saying "search" in the search field.
 574         searchView.setIconifiedByDefault(true);
 575         searchView.setIconified(false);
 576
 577         searchView.setQueryHint(getString(R.string.searchText));
 578         searchView.setSubmitButtonEnabled(false);
 579         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 580         searchView.setImeOptions(
 581             EditorInfo.IME_ACTION_DONE |
 582             EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 583             // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 584             // 11
 585             EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 586         onQueryTextListener = new OnQueryTextListener() {
 587             @Override
 588             public boolean onQueryTextSubmit(String query) {
 589                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 590                 hideKeyboard();
 591                 return true;
 592             }
 593
 594             @Override
 595             public boolean onQueryTextChange(String newText) {
 596                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 597                 onSearchTextChange(searchView.getQuery().toString());
 598                 return true;
 599             }
 600         };
 601         searchView.setOnQueryTextListener(onQueryTextListener);
 602         searchView.setFocusable(true);
 603         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 604                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 605         customSearchView.addView(searchView, lp);
 606
 607         actionBar.setCustomView(customSearchView);
 608         actionBar.setDisplayShowCustomEnabled(true);
 609
 610         // Avoid wasting space on large left inset
 611         Toolbar tb = (Toolbar)customSearchView.getParent();
 612         tb.setContentInsetsRelative(0, 0);
 613
 614         getListView().setNextFocusLeftId(R.id.searchView);
 615         findViewById(R.id.floatSwapButton).setNextFocusRightId(R.id.languageButton);
 616         languageButton.setNextFocusLeftId(R.id.floatSwapButton);
 617     }
 618
 619     @Override
 620     protected void onResume() {
 621         Log.d(LOG, "onResume");
 622         super.onResume();
 623         if (PreferenceActivity.prefsMightHaveChanged) {
 624             PreferenceActivity.prefsMightHaveChanged = false;
 625             finish();
 626             startActivity(getIntent());
 627         }
 628         showKeyboard();
 629     }
 630
 631     @Override
 632     protected void onPause() {
 633         super.onPause();
 634     }
 635
 636     @Override
 637     /**
 638      * Invoked when MyWebView returns, since the user might have clicked some
 639      * hypertext in the MyWebView.
 640      */
 641     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 642         super.onActivityResult(requestCode, resultCode, result);
 643         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 644             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 645             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 646         }
 647     }
 648
 649     private static void setDictionaryPrefs(final Context context, final File dictFile,
 650                                            final String indexShortName, final String searchToken) {
 651         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 652                 context).edit();
 653         prefs.putString(C.DICT_FILE, dictFile.getPath());
 654         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 655         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 656         prefs.commit();
 657     }
 658
 659     @Override
 660     protected void onDestroy() {
 661         super.onDestroy();
 662         if (dictRaf == null) {
 663             return;
 664         }
 665
 666         final SearchOperation searchOperation = currentSearchOperation;
 667         currentSearchOperation = null;
 668
 669         // Before we close the RAF, we have to wind the current search down.
 670         if (searchOperation != null) {
 671             Log.d(LOG, "Interrupting search to shut down.");
 672             currentSearchOperation = null;
 673             searchOperation.interrupted.set(true);
 674         }
 675         searchExecutor.shutdownNow();
 676         textToSpeech.shutdown();
 677         textToSpeech = null;
 678
 679         try {
 680             Log.d(LOG, "Closing RAF.");
 681             dictRaf.close();
 682         } catch (IOException e) {
 683             Log.e(LOG, "Failed to close dictionary", e);
 684         }
 685         dictRaf = null;
 686     }
 687
 688     // --------------------------------------------------------------------------
 689     // Buttons
 690     // --------------------------------------------------------------------------
 691
 692     private void showKeyboard() {
 693         // For some reason, this doesn't always work the first time.
 694         // One way to replicate the problem:
 695         // Press the "task switch" button repeatedly to pause and resume
 696         for (int delay = 1; delay <= 101; delay += 100) {
 697             searchView.postDelayed(new Runnable() {
 698                 @Override
 699                 public void run() {
 700                     Log.d(LOG, "Trying to show soft keyboard.");
 701                     final boolean searchTextHadFocus = searchView.hasFocus();
 702                     searchView.requestFocusFromTouch();
 703                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 704                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 705                     if (!searchTextHadFocus) {
 706                         defocusSearchText();
 707                     }
 708                 }
 709             }, delay);
 710         }
 711     }
 712
 713     private void hideKeyboard() {
 714         Log.d(LOG, "Hide soft keyboard.");
 715         searchView.clearFocus();
 716         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 717         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 718     }
 719
 720     void updateLangButton() {
 721         final LanguageResources languageResources =
 722             DictionaryApplication.isoCodeToResources.get(index.shortName);
 723         if (languageResources != null && languageResources.flagId != 0) {
 724             languageButton.setImageResource(languageResources.flagId);
 725         } else {
 726             if (indexIndex % 2 == 0) {
 727                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 728             } else {
 729                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 730             }
 731         }
 732         updateTTSLanguage(indexIndex);
 733     }
 734
 735     private void updateTTSLanguage(int i) {
 736         if (!ttsReady || index == null || textToSpeech == null) {
 737             Log.d(LOG, "Can't updateTTSLanguage.");
 738             return;
 739         }
 740         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 741         Log.d(LOG, "Setting TTS locale to: " + locale);
 742         try {
 743             final int ttsResult = textToSpeech.setLanguage(locale);
 744             if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 745                     ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 746                 Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 747             }
 748         } catch (Exception e) {
 749             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 750         }
 751     }
 752
 753     public void onSearchButtonClick(View dummy) {
 754         if (!searchView.hasFocus()) {
 755             searchView.requestFocus();
 756         }
 757         if (searchView.getQuery().toString().length() > 0) {
 758             searchView.setQuery("", false);
 759         }
 760         showKeyboard();
 761         searchView.setIconified(false);
 762     }
 763
 764     public void onLanguageButtonClick(View dummy) {
 765         if (dictionary.indices.size() == 1) {
 766             // No need to work to switch indices.
 767             return;
 768         }
 769         if (currentSearchOperation != null) {
 770             currentSearchOperation.interrupted.set(true);
 771             currentSearchOperation = null;
 772         }
 773         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 774                               searchView.getQuery().toString(), false);
 775     }
 776
 777     void onLanguageButtonLongClick(final Context context) {
 778         final Dialog dialog = new Dialog(context);
 779         dialog.setContentView(R.layout.select_dictionary_dialog);
 780         dialog.setTitle(R.string.selectDictionary);
 781
 782         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 783
 784         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 785         final Button button = new Button(listView.getContext());
 786         final String name = getString(R.string.dictionaryManager);
 787         button.setText(name);
 788         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 789         DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 790             @Override
 791             protected void onGo() {
 792                 dialog.dismiss();
 793                 DictionaryActivity.this.finish();
 794             }
 795         };
 796         button.setOnClickListener(intentLauncher);
 797         listView.addHeaderView(button);
 798
 799         listView.setItemsCanFocus(true);
 800         listView.setAdapter(new BaseAdapter() {
 801             @Override
 802             public View getView(int position, View convertView, ViewGroup parent) {
 803                 final DictionaryInfo dictionaryInfo = getItem(position);
 804
 805                 final LinearLayout result = new LinearLayout(parent.getContext());
 806
 807                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 808                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 809                     final View button = application.createButton(parent.getContext(),
 810                                         dictionaryInfo, indexInfo);
 811                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 812                             getLaunchIntent(getApplicationContext(),
 813                                             application.getPath(dictionaryInfo.uncompressedFilename),
 814                     indexInfo.shortName, searchView.getQuery().toString())) {
 815                         @Override
 816                         protected void onGo() {
 817                             dialog.dismiss();
 818                             DictionaryActivity.this.finish();
 819                         }
 820                     };
 821                     button.setOnClickListener(intentLauncher);
 822                     if (i == indexIndex && dictFile != null &&
 823                             dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 824                         button.setPressed(true);
 825                     }
 826                     result.addView(button);
 827                 }
 828
 829                 final TextView nameView = new TextView(parent.getContext());
 830                 final String name = application
 831                                     .getDictionaryName(dictionaryInfo.uncompressedFilename);
 832                 nameView.setText(name);
 833                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 834                     ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 835                 layoutParams.width = 0;
 836                 layoutParams.weight = 1.0f;
 837                 nameView.setLayoutParams(layoutParams);
 838                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 839                 result.addView(nameView);
 840                 return result;
 841             }
 842
 843             @Override
 844             public long getItemId(int position) {
 845                 return position;
 846             }
 847
 848             @Override
 849             public DictionaryInfo getItem(int position) {
 850                 return installedDicts.get(position);
 851             }
 852
 853             @Override
 854             public int getCount() {
 855                 return installedDicts.size();
 856             }
 857         });
 858         dialog.show();
 859     }
 860
 861     void onUpDownButton(final boolean up) {
 862         if (isFiltered()) {
 863             return;
 864         }
 865         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 866         final RowBase row = index.rows.get(firstVisibleRow);
 867         final TokenRow tokenRow = row.getTokenRow(true);
 868         final int destIndexEntry;
 869         if (up) {
 870             if (row != tokenRow) {
 871                 destIndexEntry = tokenRow.referenceIndex;
 872             } else {
 873                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 874             }
 875         } else {
 876             // Down
 877             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 878         }
 879         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 880         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 881         setSearchText(dest.token, false);
 882         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 883         defocusSearchText();
 884     }
 885
 886     void onRandomWordButton() {
 887         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 888         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 889         setSearchText(dest.token, false);
 890         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 891         defocusSearchText();
 892     }
 893
 894     // --------------------------------------------------------------------------
 895     // Options Menu
 896     // --------------------------------------------------------------------------
 897
 898     final Random random = new Random();
 899
 900     @Override
 901     public boolean onCreateOptionsMenu(final Menu menu) {
 902
 903         if (PreferenceManager.getDefaultSharedPreferences(this)
 904                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 905             // Next word.
 906             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 907                                .setIcon(R.drawable.arrow_down_float);
 908             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 909             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 910                 @Override
 911                 public boolean onMenuItemClick(MenuItem item) {
 912                     onUpDownButton(false);
 913                     return true;
 914                 }
 915             });
 916
 917             // Previous word.
 918             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 919                                    .setIcon(R.drawable.arrow_up_float);
 920             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 921             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 922                 @Override
 923                 public boolean onMenuItemClick(MenuItem item) {
 924                     onUpDownButton(true);
 925                     return true;
 926                 }
 927             });
 928         }
 929
 930         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 931         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 932             @Override
 933             public boolean onMenuItemClick(MenuItem item) {
 934                 onRandomWordButton();
 935                 return true;
 936             }
 937         });
 938
 939         application.onCreateGlobalOptionsMenu(this, menu);
 940
 941         {
 942             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 943             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 944             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 945                 public boolean onMenuItemClick(final MenuItem menuItem) {
 946                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 947                     finish();
 948                     return false;
 949                 }
 950             });
 951         }
 952
 953         {
 954             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 955             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 956             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 957                 public boolean onMenuItemClick(final MenuItem menuItem) {
 958                     final Context context = getListView().getContext();
 959                     final Dialog dialog = new Dialog(context);
 960                     dialog.setContentView(R.layout.about_dictionary_dialog);
 961                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 962
 963                     final String name = application.getDictionaryName(dictFile.getName());
 964                     dialog.setTitle(name);
 965
 966                     final StringBuilder builder = new StringBuilder();
 967                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 968                     dictionaryInfo.uncompressedBytes = dictFile.length();
 969                     if (dictionaryInfo != null) {
 970                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 971                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 972                         .append("\n");
 973                         builder.append(
 974                             getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 975                         .append("\n");
 976                         builder.append(
 977                             getString(R.string.dictionaryCreationTime,
 978                                       dictionaryInfo.creationMillis)).append("\n");
 979                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 980                             builder.append("\n");
 981                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 982                             .append("\n");
 983                             builder.append(
 984                                 getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 985                             .append("\n");
 986                         }
 987                         builder.append("\n");
 988                         builder.append(getString(R.string.sources)).append("\n");
 989                         for (final EntrySource source : dictionary.sources) {
 990                             builder.append(
 991                                 getString(R.string.sourceInfo, source.getName(),
 992                                           source.getNumEntries())).append("\n");
 993                         }
 994                     }
 995                     textView.setText(builder.toString());
 996
 997                     dialog.show();
 998                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 999                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
1000                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
1001                     dialog.getWindow().setAttributes(layoutParams);
1002                     return false;
1003                 }
1004             });
1005         }
1006
1007         return true;
1008     }
1009
1010     // --------------------------------------------------------------------------
1011     // Context Menu + clicks
1012     // --------------------------------------------------------------------------
1013
1014     @Override
1015     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1016         final AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
1017         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
1018
1019         if (clickOpensContextMenu && (row instanceof HtmlEntry.Row ||
1020             (row instanceof TokenRow && ((TokenRow)row).getIndexEntry().htmlEntries.size() > 0))) {
1021             final List<HtmlEntry> html = row instanceof TokenRow ? ((TokenRow)row).getIndexEntry().htmlEntries : Collections.singletonList(((HtmlEntry.Row)row).getEntry());
1022             final String highlight = row instanceof HtmlEntry.Row ? ((HtmlEntry.Row)row).getTokenRow(true).getToken() : null;
1023             final MenuItem open = menu.add("Open");
1024             open.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1025                 public boolean onMenuItemClick(MenuItem item) {
1026                     showHtml(html, highlight);
1027                     return false;
1028                 }
1029             });
1030         }
1031
1032         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
1033                 wordList.getName()));
1034         addToWordlist
1035         .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1036             public boolean onMenuItemClick(android.view.MenuItem item) {
1037                 onAppendToWordList(row);
1038                 return false;
1039             }
1040         });
1041
1042         final android.view.MenuItem share = menu.add("Share");
1043         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1044             public boolean onMenuItemClick(android.view.MenuItem item) {
1045                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
1046                 shareIntent.setType("text/plain");
1047                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
1048                                      .getToken());
1049                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
1050                                      row.getRawText(saveOnlyFirstSubentry));
1051                 startActivity(shareIntent);
1052                 return false;
1053             }
1054         });
1055
1056         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1057         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1058             public boolean onMenuItemClick(android.view.MenuItem item) {
1059                 onCopy(row);
1060                 return false;
1061             }
1062         });
1063
1064         if (selectedSpannableText != null) {
1065             final String selectedText = selectedSpannableText;
1066             final android.view.MenuItem searchForSelection = menu.add(getString(
1067                         R.string.searchForSelection,
1068                         selectedSpannableText));
1069             searchForSelection
1070             .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1071                 public boolean onMenuItemClick(android.view.MenuItem item) {
1072                     jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1073                     return false;
1074                 }
1075             });
1076             // Rats, this won't be shown:
1077             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1078         }
1079
1080         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1081             final android.view.MenuItem speak = menu.add(R.string.speak);
1082             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1083             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1084             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1085                 @Override
1086                 public boolean onMenuItemClick(android.view.MenuItem item) {
1087                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1088                                        new HashMap<String, String>());
1089                     return false;
1090                 }
1091             });
1092         }
1093         if (row instanceof PairEntry.Row && ttsReady) {
1094             final List<Pair> pairs = ((PairEntry.Row)row).getEntry().pairs;
1095             final MenuItem speakLeft = menu.add(R.string.speak_left);
1096             speakLeft.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1097                 @Override
1098                 public boolean onMenuItemClick(android.view.MenuItem item) {
1099                     int idx = index.swapPairEntries ? 1 : 0;
1100                     updateTTSLanguage(idx);
1101                     String text = "";
1102                     for (Pair p : pairs) text += p.get(idx);
1103                     text = text.replaceAll("\\{[^{}]*\\}", "").replace("{", "").replace("}", "");
1104                     textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH,
1105                                        new HashMap<String, String>());
1106                     return false;
1107                 }
1108             });
1109             final MenuItem speakRight = menu.add(R.string.speak_right);
1110             speakRight.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1111                 @Override
1112                 public boolean onMenuItemClick(android.view.MenuItem item) {
1113                     int idx = index.swapPairEntries ? 0 : 1;
1114                     updateTTSLanguage(idx);
1115                     String text = "";
1116                     for (Pair p : pairs) text += p.get(idx);
1117                     text = text.replaceAll("\\{[^{}]*\\}", "").replace("{", "").replace("}", "");
1118                     textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH,
1119                                        new HashMap<String, String>());
1120                     return false;
1121                 }
1122             });
1123         }
1124     }
1125
1126     private void jumpToTextFromHyperLink(
1127         final String selectedText, final int defaultIndexToUse) {
1128         int indexToUse = -1;
1129         int numFound = 0;
1130         for (int i = 0; i < dictionary.indices.size(); ++i) {
1131             final Index index = dictionary.indices.get(i);
1132             if (indexPrepFinished) {
1133                 System.out.println("Doing index lookup: on " + selectedText);
1134                 final IndexEntry indexEntry = index.findExact(selectedText);
1135                 if (indexEntry != null) {
1136                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1137                                               .getTokenRow(false);
1138                     if (tokenRow != null && tokenRow.hasMainEntry) {
1139                         indexToUse = i;
1140                         ++numFound;
1141                     }
1142                 }
1143             } else {
1144                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1145             }
1146         }
1147         if (numFound != 1 || indexToUse == -1) {
1148             indexToUse = defaultIndexToUse;
1149         }
1150         // Without this extra delay, the call to jumpToRow that this
1151         // invokes doesn't always actually have any effect.
1152         final int actualIndexToUse = indexToUse;
1153         getListView().postDelayed(new Runnable() {
1154             @Override
1155             public void run() {
1156                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1157             }
1158         }, 100);
1159     }
1160
1161     /**
1162      * Called when user clicks outside of search text, so that they can start
1163      * typing again immediately.
1164      */
1165     void defocusSearchText() {
1166         // Log.d(LOG, "defocusSearchText");
1167         // Request focus so that if we start typing again, it clears the text
1168         // input.
1169         getListView().requestFocus();
1170
1171         // Visual indication that a new keystroke will clear the search text.
1172         // Doesn't seem to work unless searchText has focus.
1173         // searchView.selectAll();
1174     }
1175
1176     protected void onListItemClick(ListView l, View v, int rowIdx, long id) {
1177         defocusSearchText();
1178         if (clickOpensContextMenu && dictRaf != null) {
1179             openContextMenu(v);
1180         } else {
1181             final RowBase row = (RowBase)getListAdapter().getItem(rowIdx);
1182             if (!(row instanceof PairEntry.Row)) {
1183                 v.performClick();
1184             }
1185         }
1186     }
1187
1188     @SuppressLint("SimpleDateFormat")
1189     void onAppendToWordList(final RowBase row) {
1190         defocusSearchText();
1191
1192         final StringBuilder rawText = new StringBuilder();
1193         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1194         rawText.append(index.longName).append("\t");
1195         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1196         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1197         Log.d(LOG, "Writing : " + rawText);
1198
1199         try {
1200             wordList.getParentFile().mkdirs();
1201             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1202             out.println(rawText.toString());
1203             out.close();
1204         } catch (Exception e) {
1205             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1206             Toast.makeText(this,
1207                            getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1208                            Toast.LENGTH_LONG).show();
1209         }
1210         return;
1211     }
1212
1213     @SuppressWarnings("deprecation")
1214     void onCopy(final RowBase row) {
1215         defocusSearchText();
1216
1217         Log.d(LOG, "Copy, row=" + row);
1218         final StringBuilder result = new StringBuilder();
1219         result.append(row.getRawText(false));
1220         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1221         clipboardManager.setText(result.toString());
1222         Log.d(LOG, "Copied: " + result);
1223     }
1224
1225     @Override
1226     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1227         if (event.getUnicodeChar() != 0) {
1228             if (!searchView.hasFocus()) {
1229                 setSearchText("" + (char) event.getUnicodeChar(), true);
1230                 searchView.requestFocus();
1231             }
1232             return true;
1233         }
1234         if (keyCode == KeyEvent.KEYCODE_BACK) {
1235             // Log.d(LOG, "Clearing dictionary prefs.");
1236             // Pretend that we just autolaunched so that we won't do it again.
1237             // DictionaryManagerActivity.lastAutoLaunchMillis =
1238             // System.currentTimeMillis();
1239         }
1240         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1241             Log.d(LOG, "Trying to hide soft keyboard.");
1242             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1243             View focus = getCurrentFocus();
1244             if (focus != null) {
1245                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1246                                                      InputMethodManager.HIDE_NOT_ALWAYS);
1247             }
1248             return true;
1249         }
1250         return super.onKeyDown(keyCode, event);
1251     }
1252
1253     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1254         Log.d(LOG, "Changing index to: " + newIndex);
1255         if (newIndex == -1) {
1256             Log.e(LOG, "Invalid index.");
1257             newIndex = 0;
1258         }
1259         if (newIndex != indexIndex) {
1260             indexIndex = newIndex;
1261             index = dictionary.indices.get(indexIndex);
1262             indexAdapter = new IndexAdapter(index);
1263             setListAdapter(indexAdapter);
1264             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1265             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1266             updateLangButton();
1267         }
1268         setSearchText(newSearchText, true, hideKeyboard);
1269     }
1270
1271     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1272         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1273         // Disable the listener, because sometimes it doesn't work.
1274         searchView.setOnQueryTextListener(null);
1275         searchView.setQuery(text, false);
1276         moveCursorToRight();
1277         searchView.setOnQueryTextListener(onQueryTextListener);
1278
1279         if (triggerSearch) {
1280             onSearchTextChange(text);
1281         }
1282
1283         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1284         if (hideKeyboard) {
1285             hideKeyboard();
1286         }
1287     }
1288
1289     private void setSearchText(final String text, final boolean triggerSearch) {
1290         setSearchText(text, triggerSearch, true);
1291     }
1292
1293     // private long cursorDelayMillis = 100;
1294     private void moveCursorToRight() {
1295         // if (searchText.getLayout() != null) {
1296         // cursorDelayMillis = 100;
1297         // // Surprising, but this can crash when you rotate...
1298         // Selection.moveToRightEdge(searchView.getQuery(),
1299         // searchText.getLayout());
1300         // } else {
1301         // uiHandler.postDelayed(new Runnable() {
1302         // @Override
1303         // public void run() {
1304         // moveCursorToRight();
1305         // }
1306         // }, cursorDelayMillis);
1307         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1308         // }
1309     }
1310
1311     // --------------------------------------------------------------------------
1312     // SearchOperation
1313     // --------------------------------------------------------------------------
1314
1315     private void searchFinished(final SearchOperation searchOperation) {
1316         if (searchOperation.interrupted.get()) {
1317             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1318             return;
1319         }
1320         if (searchOperation != this.currentSearchOperation) {
1321             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1322             return;
1323         }
1324
1325         final Index.IndexEntry searchResult = searchOperation.searchResult;
1326         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1327
1328         currentSearchOperation = null;
1329         uiHandler.postDelayed(new Runnable() {
1330             @Override
1331             public void run() {
1332                 if (currentSearchOperation == null) {
1333                     if (searchResult != null) {
1334                         if (isFiltered()) {
1335                             clearFiltered();
1336                         }
1337                         jumpToRow(searchResult.startRow);
1338                     } else if (searchOperation.multiWordSearchResult != null) {
1339                         // Multi-row search....
1340                         setFiltered(searchOperation);
1341                     } else {
1342                         throw new IllegalStateException("This should never happen.");
1343                     }
1344                 } else {
1345                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1346                 }
1347             }
1348         }, 20);
1349     }
1350
1351     private final void jumpToRow(final int row) {
1352         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1353         // getListView().requestFocusFromTouch();
1354         getListView().setSelectionFromTop(row, 0);
1355         getListView().setSelected(true);
1356     }
1357
1358     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1359
1360     final class SearchOperation implements Runnable {
1361
1362         final AtomicBoolean interrupted = new AtomicBoolean(false);
1363
1364         final String searchText;
1365
1366         List<String> searchTokens; // filled in for multiWord.
1367
1368         final Index index;
1369
1370         long searchStartMillis;
1371
1372         Index.IndexEntry searchResult;
1373
1374         List<RowBase> multiWordSearchResult;
1375
1376         boolean done = false;
1377
1378         SearchOperation(final String searchText, final Index index) {
1379             this.searchText = StringUtil.normalizeWhitespace(searchText);
1380             this.index = index;
1381         }
1382
1383         public String toString() {
1384             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1385         }
1386
1387         @Override
1388         public void run() {
1389             try {
1390                 searchStartMillis = System.currentTimeMillis();
1391                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1392                 if (searchTokenArray.length == 1) {
1393                     searchResult = index.findInsertionPoint(searchText, interrupted);
1394                 } else {
1395                     searchTokens = Arrays.asList(searchTokenArray);
1396                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1397                                             interrupted);
1398                 }
1399                 Log.d(LOG,
1400                       "searchText=" + searchText + ", searchDuration="
1401                       + (System.currentTimeMillis() - searchStartMillis)
1402                       + ", interrupted=" + interrupted.get());
1403                 if (!interrupted.get()) {
1404                     uiHandler.post(new Runnable() {
1405                         @Override
1406                         public void run() {
1407                             searchFinished(SearchOperation.this);
1408                         }
1409                     });
1410                 } else {
1411                     Log.d(LOG, "interrupted, skipping searchFinished.");
1412                 }
1413             } catch (Exception e) {
1414                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1415             } finally {
1416                 synchronized (this) {
1417                     done = true;
1418                     this.notifyAll();
1419                 }
1420             }
1421         }
1422     }
1423
1424     // --------------------------------------------------------------------------
1425     // IndexAdapter
1426     // --------------------------------------------------------------------------
1427
1428     private void showHtml(final List<HtmlEntry> htmlEntries, final String htmlTextToHighlight) {
1429         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1430         // Log.d(LOG, "html=" + html);
1431         startActivityForResult(
1432             HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1433                     "<html><head><meta name=\"viewport\" content=\"width=device-width\"></head><body>%s</body></html>", html),
1434                                               htmlTextToHighlight, false),
1435             0);
1436     }
1437
1438     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1439         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1440
1441     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1442         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1443
1444     final class IndexAdapter extends BaseAdapter {
1445
1446         private static final float PADDING_DEFAULT_DP = 8;
1447
1448         private static final float PADDING_LARGE_DP = 16;
1449
1450         final Index index;
1451
1452         final List<RowBase> rows;
1453
1454         final Set<String> toHighlight;
1455
1456         private int mPaddingDefault;
1457
1458         private int mPaddingLarge;
1459
1460         IndexAdapter(final Index index) {
1461             this.index = index;
1462             rows = index.rows;
1463             this.toHighlight = null;
1464             getMetrics();
1465         }
1466
1467         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1468             this.index = index;
1469             this.rows = rows;
1470             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1471             getMetrics();
1472         }
1473
1474         private void getMetrics() {
1475             // Get the screen's density scale
1476             final float scale = getResources().getDisplayMetrics().density;
1477             // Convert the dps to pixels, based on density scale
1478             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1479             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1480         }
1481
1482         @Override
1483         public int getCount() {
1484             return rows.size();
1485         }
1486
1487         @Override
1488         public RowBase getItem(int position) {
1489             return rows.get(position);
1490         }
1491
1492         @Override
1493         public long getItemId(int position) {
1494             return getItem(position).index();
1495         }
1496
1497         @Override
1498         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1499             final TableLayout result;
1500             if (convertView instanceof TableLayout) {
1501                 result = (TableLayout) convertView;
1502                 result.removeAllViews();
1503             } else {
1504                 result = new TableLayout(parent.getContext());
1505             }
1506             final RowBase row = getItem(position);
1507             if (row instanceof PairEntry.Row) {
1508                 return getView(position, (PairEntry.Row) row, parent, result);
1509             } else if (row instanceof TokenRow) {
1510                 return getView((TokenRow) row, parent, result);
1511             } else if (row instanceof HtmlEntry.Row) {
1512                 return getView((HtmlEntry.Row) row, parent, result);
1513             } else {
1514                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1515             }
1516         }
1517
1518         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1519                                     final TableLayout result) {
1520             final PairEntry entry = row.getEntry();
1521             final int rowCount = entry.pairs.size();
1522
1523             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1524             layoutParams.weight = 0.5f;
1525             layoutParams.leftMargin = mPaddingLarge;
1526
1527             for (int r = 0; r < rowCount; ++r) {
1528                 final TableRow tableRow = new TableRow(result.getContext());
1529
1530                 final TextView col1 = new TextView(tableRow.getContext());
1531                 final TextView col2 = new TextView(tableRow.getContext());
1532                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1533                     col1.setTextIsSelectable(true);
1534                     col2.setTextIsSelectable(true);
1535                 }
1536
1537                 // Set the columns in the table.
1538                 if (r > 0) {
1539                     final TextView bullet = new TextView(tableRow.getContext());
1540                     bullet.setText(" • ");
1541                     tableRow.addView(bullet);
1542                 }
1543                 tableRow.addView(col1, layoutParams);
1544                 final TextView margin = new TextView(tableRow.getContext());
1545                 margin.setText(" ");
1546                 tableRow.addView(margin);
1547                 if (r > 0) {
1548                     final TextView bullet = new TextView(tableRow.getContext());
1549                     bullet.setText(" • ");
1550                     tableRow.addView(bullet);
1551                 }
1552                 tableRow.addView(col2, layoutParams);
1553                 col1.setWidth(1);
1554                 col2.setWidth(1);
1555
1556                 // Set what's in the columns.
1557
1558                 final Pair pair = entry.pairs.get(r);
1559                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1560                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1561
1562                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1563                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1564
1565                 // Bold the token instances in col1.
1566                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1567                                            .singleton(row.getTokenRow(true).getToken());
1568                 final Spannable col1Spannable = (Spannable) col1.getText();
1569                 for (final String token : toBold) {
1570                     int startPos = 0;
1571                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1572                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1573                                               + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1574                         startPos += token.length();
1575                     }
1576                 }
1577
1578                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1579                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1580
1581                 col1.setTypeface(typeface);
1582                 col2.setTypeface(typeface);
1583                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1584                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1585                 // col2.setBackgroundResource(theme.otherLangBg);
1586
1587                 if (index.swapPairEntries) {
1588                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1589                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1590                 } else {
1591                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1592                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1593                 }
1594
1595                 result.addView(tableRow);
1596             }
1597
1598             // Because we have a Button inside a ListView row:
1599             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1600             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1601             result.setClickable(true);
1602             result.setFocusable(false);
1603             result.setLongClickable(true);
1604 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1605
1606             result.setBackgroundResource(theme.normalRowBg);
1607
1608             result.setOnClickListener(new TextView.OnClickListener() {
1609                 @Override
1610                 public void onClick(View v) {
1611                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1612                 }
1613             });
1614
1615             return result;
1616         }
1617
1618         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1619                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1620                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1621             final Context context = parent.getContext();
1622
1623             final TableRow tableRow = new TableRow(result.getContext());
1624             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1625                                            : theme.tokenRowOtherBg);
1626             if (isTokenRow) {
1627                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1628             } else {
1629                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1630             }
1631             result.addView(tableRow);
1632
1633             // Make it so we can long-click on these token rows, too:
1634             final TextView textView = new TextView(context);
1635             textView.setText(text, BufferType.SPANNABLE);
1636             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1637             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1638             result.setLongClickable(true);
1639
1640             // Doesn't work:
1641             // textView.setTextColor(android.R.color.secondary_text_light);
1642             textView.setTypeface(typeface);
1643             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1644             if (isTokenRow) {
1645                 textView.setTextAppearance(context, theme.tokenRowFg);
1646                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1647             } else {
1648                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1649             }
1650             lp.weight = 1.0f;
1651
1652             textView.setLayoutParams(lp);
1653             tableRow.addView(textView);
1654
1655             if (!htmlEntries.isEmpty()) {
1656                 final ClickableSpan clickableSpan = new ClickableSpan() {
1657                     @Override
1658                     public void onClick(View widget) {
1659                     }
1660                 };
1661                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1662                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1663                 result.setClickable(true);
1664                 textView.setClickable(true);
1665                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1666                 textView.setOnClickListener(new OnClickListener() {
1667                     @Override
1668                     public void onClick(View v) {
1669                         showHtml(htmlEntries, htmlTextToHighlight);
1670                     }
1671                 });
1672                 result.setOnClickListener(new OnClickListener() {
1673                     @Override
1674                     public void onClick(View v) {
1675                         textView.performClick();
1676                     }
1677                 });
1678             }
1679             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1680             return result;
1681         }
1682
1683         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1684             final IndexEntry indexEntry = row.getIndexEntry();
1685             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1686                                                   indexEntry.htmlEntries, null, parent, result);
1687         }
1688
1689         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1690             final HtmlEntry htmlEntry = row.getEntry();
1691             final TokenRow tokenRow = row.getTokenRow(true);
1692             return getPossibleLinkToHtmlEntryView(false,
1693                                                   getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1694                                                   false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1695                                                   result);
1696         }
1697
1698     }
1699
1700     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1701
1702     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1703                                       final String text) {
1704         // Saw from the source code that LinkMovementMethod sets the selection!
1705         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1706         textView.setMovementMethod(LinkMovementMethod.getInstance());
1707         final Matcher matcher = CHAR_DASH.matcher(text);
1708         while (matcher.find()) {
1709             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1710                               matcher.end(),
1711                               Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1712         }
1713     }
1714
1715     String selectedSpannableText = null;
1716
1717     int selectedSpannableIndex = -1;
1718
1719     @Override
1720     public boolean onTouchEvent(MotionEvent event) {
1721         selectedSpannableText = null;
1722         selectedSpannableIndex = -1;
1723         return super.onTouchEvent(event);
1724     }
1725
1726     private class TextViewLongClickListener implements OnLongClickListener {
1727         final int index;
1728
1729         private TextViewLongClickListener(final int index) {
1730             this.index = index;
1731         }
1732
1733         @Override
1734         public boolean onLongClick(final View v) {
1735             final TextView textView = (TextView) v;
1736             final int start = textView.getSelectionStart();
1737             final int end = textView.getSelectionEnd();
1738             if (start >= 0 && end >= 0) {
1739                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1740                 selectedSpannableIndex = index;
1741             }
1742             return false;
1743         }
1744     }
1745
1746     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1747         0);
1748
1749     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1750         1);
1751
1752     // --------------------------------------------------------------------------
1753     // SearchText
1754     // --------------------------------------------------------------------------
1755
1756     void onSearchTextChange(final String text) {
1757         if ("thadolina".equals(text)) {
1758             final Dialog dialog = new Dialog(getListView().getContext());
1759             dialog.setContentView(R.layout.thadolina_dialog);
1760             dialog.setTitle("Ti amo, amore mio!");
1761             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1762             imageView.setOnClickListener(new OnClickListener() {
1763                 @Override
1764                 public void onClick(View v) {
1765                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1766                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1767                     startActivity(intent);
1768                 }
1769             });
1770             dialog.show();
1771         }
1772         if (dictRaf == null) {
1773             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1774             return;
1775         }
1776
1777         // if (!searchView.hasFocus()) {
1778         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1779         // return;
1780         // }
1781         Log.d(LOG, "onSearchTextChange: " + text);
1782         if (currentSearchOperation != null) {
1783             Log.d(LOG, "Interrupting currentSearchOperation.");
1784             currentSearchOperation.interrupted.set(true);
1785         }
1786         currentSearchOperation = new SearchOperation(text, index);
1787         searchExecutor.execute(currentSearchOperation);
1788         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1789     }
1790
1791     // --------------------------------------------------------------------------
1792     // Filtered results.
1793     // --------------------------------------------------------------------------
1794
1795     boolean isFiltered() {
1796         return rowsToShow != null;
1797     }
1798
1799     void setFiltered(final SearchOperation searchOperation) {
1800         if (nextWordMenuItem != null) {
1801             nextWordMenuItem.setEnabled(false);
1802             previousWordMenuItem.setEnabled(false);
1803         }
1804         rowsToShow = searchOperation.multiWordSearchResult;
1805         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1806     }
1807
1808     void clearFiltered() {
1809         if (nextWordMenuItem != null) {
1810             nextWordMenuItem.setEnabled(true);
1811             previousWordMenuItem.setEnabled(true);
1812         }
1813         setListAdapter(new IndexAdapter(index));
1814         rowsToShow = null;
1815     }
1816
1817 }