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.support.design.widget.FloatingActionButton;
  32 import android.support.v4.view.MenuItemCompat;
  33 import android.support.v7.app.ActionBar;
  34 import android.support.v7.app.ActionBarActivity;
  35 import android.support.v7.widget.SearchView;
  36 import android.support.v7.widget.SearchView.OnQueryTextListener;
  37 import android.support.v7.widget.Toolbar;
  38 import android.text.ClipboardManager;
  39 import android.text.InputType;
  40 import android.text.Spannable;
  41 import android.text.method.LinkMovementMethod;
  42 import android.text.style.ClickableSpan;
  43 import android.text.style.StyleSpan;
  44 import android.util.Log;
  45 import android.util.TypedValue;
  46 import android.view.ContextMenu;
  47 import android.view.ContextMenu.ContextMenuInfo;
  48 import android.view.Gravity;
  49 import android.view.KeyEvent;
  50 import android.view.Menu;
  51 import android.view.MenuItem;
  52 import android.view.MenuItem.OnMenuItemClickListener;
  53 import android.view.MotionEvent;
  54 import android.view.View;
  55 import android.view.View.OnClickListener;
  56 import android.view.View.OnLongClickListener;
  57 import android.view.ViewGroup;
  58 import android.view.WindowManager;
  59 import android.view.inputmethod.EditorInfo;
  60 import android.view.inputmethod.InputMethodManager;
  61 import android.widget.AdapterView;
  62 import android.widget.AdapterView.AdapterContextMenuInfo;
  63 import android.widget.AdapterView.OnItemClickListener;
  64 import android.widget.BaseAdapter;
  65 import android.widget.Button;
  66 import android.widget.FrameLayout;
  67 import android.widget.ImageButton;
  68 import android.widget.ImageView;
  69 import android.widget.ImageView.ScaleType;
  70 import android.widget.LinearLayout;
  71 import android.widget.ListAdapter;
  72 import android.widget.ListView;
  73 import android.widget.TableLayout;
  74 import android.widget.TableRow;
  75 import android.widget.TextView;
  76 import android.widget.TextView.BufferType;
  77 import android.widget.Toast;
  78
  79 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  80 import com.hughes.android.dictionary.engine.Dictionary;
  81 import com.hughes.android.dictionary.engine.EntrySource;
  82 import com.hughes.android.dictionary.engine.HtmlEntry;
  83 import com.hughes.android.dictionary.engine.Index;
  84 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  85 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  86 import com.hughes.android.dictionary.engine.PairEntry;
  87 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  88 import com.hughes.android.dictionary.engine.RowBase;
  89 import com.hughes.android.dictionary.engine.TokenRow;
  90 import com.hughes.android.dictionary.engine.TransliteratorManager;
  91 import com.hughes.android.util.IntentLauncher;
  92 import com.hughes.android.util.NonLinkClickableSpan;
  93 import com.hughes.util.StringUtil;
  94
  95 import java.io.File;
  96 import java.io.FileWriter;
  97 import java.io.IOException;
  98 import java.io.PrintWriter;
  99 import java.io.RandomAccessFile;
 100 import java.text.SimpleDateFormat;
 101 import java.util.Arrays;
 102 import java.util.Collections;
 103 import java.util.Date;
 104 import java.util.HashMap;
 105 import java.util.LinkedHashSet;
 106 import java.util.List;
 107 import java.util.Locale;
 108 import java.util.Random;
 109 import java.util.Set;
 110 import java.util.concurrent.Executor;
 111 import java.util.concurrent.Executors;
 112 import java.util.concurrent.ThreadFactory;
 113 import java.util.concurrent.atomic.AtomicBoolean;
 114 import java.util.regex.Matcher;
 115 import java.util.regex.Pattern;
 116
 117 public class DictionaryActivity extends ActionBarActivity {
 118
 119     static final String LOG = "QuickDic";
 120
 121     DictionaryApplication application;
 122
 123     File dictFile = null;
 124     RandomAccessFile dictRaf = null;
 125
 126     Dictionary dictionary = null;
 127
 128     int indexIndex = 0;
 129
 130     Index index = null;
 131
 132     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 133
 134     final Random rand = new Random();
 135
 136     final Handler uiHandler = new Handler();
 137
 138     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 139         @Override
 140         public Thread newThread(Runnable r) {
 141             return new Thread(r, "searchExecutor");
 142         }
 143     });
 144
 145     private SearchOperation currentSearchOperation = null;
 146
 147     TextToSpeech textToSpeech;
 148     volatile boolean ttsReady;
 149
 150     Typeface typeface;
 151     DictionaryApplication.Theme theme = DictionaryApplication.Theme.LIGHT;
 152     int textColorFg = Color.BLACK;
 153     int fontSizeSp;
 154
 155     private ListView listView;
 156     private ListView getListView() {
 157         if (listView == null) {
 158             listView = (ListView)findViewById(android.R.id.list);
 159         }
 160         return listView;
 161     }
 162
 163     private void setListAdapter(ListAdapter adapter) {
 164         getListView().setAdapter(adapter);
 165     }
 166
 167     private ListAdapter getListAdapter() {
 168         return getListView().getAdapter();
 169     }
 170
 171     SearchView searchView;
 172     ImageButton languageButton;
 173     SearchView.OnQueryTextListener onQueryTextListener;
 174
 175     MenuItem nextWordMenuItem, previousWordMenuItem, randomWordMenuItem;
 176
 177     // Never null.
 178     private File wordList = null;
 179     private boolean saveOnlyFirstSubentry = false;
 180     private boolean clickOpensContextMenu = false;
 181
 182     // Visible for testing.
 183     ListAdapter indexAdapter = null;
 184
 185     /**
 186      * For some languages, loading the transliterators used in this search takes
 187      * a long time, so we fire it up on a different thread, and don't invoke it
 188      * from the main thread until it's already finished once.
 189      */
 190     private volatile boolean indexPrepFinished = false;
 191
 192     public DictionaryActivity() {
 193     }
 194
 195     public static Intent getLaunchIntent(Context c, final File dictFile, final String indexShortName,
 196             final String searchToken) {
 197         final Intent intent = new Intent(c, DictionaryActivity.class);
 198         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 199         intent.putExtra(C.INDEX_SHORT_NAME, indexShortName);
 200         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 201         return intent;
 202     }
 203
 204     @Override
 205     protected void onSaveInstanceState(final Bundle outState) {
 206         super.onSaveInstanceState(outState);
 207         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 208         outState.putString(C.INDEX_SHORT_NAME, index.shortName);
 209         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 210     }
 211
 212     @Override
 213     public void onCreate(Bundle savedInstanceState) {
 214         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 215         // doesn't makes the background of the actionbar white when you're
 216         // in the dark theme.
 217         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 218
 219         Log.d(LOG, "onCreate:" + this);
 220         super.onCreate(savedInstanceState);
 221
 222         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 223
 224         // Don't auto-launch if this fails.
 225         prefs.edit().remove(C.DICT_FILE).commit();
 226
 227         setContentView(R.layout.dictionary_activity);
 228
 229         application = (DictionaryApplication) getApplication();
 230         theme = application.getSelectedTheme();
 231         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 232
 233         final Intent intent = getIntent();
 234         String intentAction = intent.getAction();
 235         /**
 236          * @author Dominik Köppl Querying the Intent
 237          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 238          *         Arguments: SearchManager.QUERY -> the phrase to search from
 239          *         -> language in which the phrase is written to -> to which
 240          *         language shall be translated
 241          */
 242         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT"))
 243         {
 244             String query = intent.getStringExtra(SearchManager.QUERY);
 245             String from = intent.getStringExtra("from");
 246             if (from != null)
 247                 from = from.toLowerCase(Locale.US);
 248             String to = intent.getStringExtra("to");
 249             if (to != null)
 250                 to = to.toLowerCase(Locale.US);
 251             if (query != null)
 252             {
 253                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 254             }
 255             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null))
 256             {
 257                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 258                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 259                 for (DictionaryInfo info : dicts)
 260                 {
 261                     boolean hasFrom = from == null;
 262                     boolean hasTo = to == null;
 263                     for (IndexInfo index : info.indexInfos)
 264                     {
 265                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 266                             hasFrom = true;
 267                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 268                             hasTo = true;
 269                     }
 270                     if (hasFrom && hasTo)
 271                     {
 272                         if (from != null)
 273                         {
 274                             int which_index = 0;
 275                             for (; which_index < info.indexInfos.size(); ++which_index)
 276                             {
 277                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 278                                         Locale.US).equals(from))
 279                                     break;
 280                             }
 281                             intent.putExtra(C.INDEX_SHORT_NAME,
 282                                     info.indexInfos.get(which_index).shortName);
 283
 284                         }
 285                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 286                                 .toString());
 287                         break;
 288                     }
 289                 }
 290
 291             }
 292         }
 293         /**
 294          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 295          *         simple query Arguments follow from android standard (see
 296          *         documentation)
 297          */
 298         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH))
 299         {
 300             String query = intent.getStringExtra(SearchManager.QUERY);
 301             if (query != null)
 302                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 303         }
 304         /*
 305          * This processes text on M+ devices where QuickDic shows up in the context menu.
 306          */
 307         if (intentAction != null && intentAction.equals(Intent.ACTION_PROCESS_TEXT)) {
 308             String query = intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT);
 309             if (query != null) {
 310                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 311             }
 312         }
 313         /**
 314          * @author Dominik Köppl If no dictionary is chosen, use the default
 315          *         dictionary specified in the preferences If this step does
 316          *         fail (no default directory specified), show a toast and
 317          *         abort.
 318          */
 319         if (intent.getStringExtra(C.DICT_FILE) == null)
 320         {
 321             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 322             if (dictfile != null)
 323                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 324         }
 325         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 326
 327         if (dictFilename == null)
 328         {
 329             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 330             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 331             finish();
 332             return;
 333         }
 334         if (dictFilename != null)
 335             dictFile = new File(dictFilename);
 336
 337         ttsReady = false;
 338         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 339             @Override
 340             public void onInit(int status) {
 341                 ttsReady = true;
 342                 updateTTSLanguage(indexIndex);
 343             }
 344         });
 345
 346         try {
 347             final String name = application.getDictionaryName(dictFile.getName());
 348             this.setTitle("QuickDic: " + name);
 349             dictRaf = new RandomAccessFile(dictFile, "r");
 350             dictionary = new Dictionary(dictRaf);
 351         } catch (Exception e) {
 352             Log.e(LOG, "Unable to load dictionary.", e);
 353             if (dictRaf != null) {
 354                 try {
 355                     dictRaf.close();
 356                 } catch (IOException e1) {
 357                     Log.e(LOG, "Unable to close dictRaf.", e1);
 358                 }
 359                 dictRaf = null;
 360             }
 361             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 362                     Toast.LENGTH_LONG).show();
 363             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 364             finish();
 365             return;
 366         }
 367         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 368         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 369             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 370         }
 371         indexIndex = 0;
 372         for (int i = 0; i < dictionary.indices.size(); ++i) {
 373             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 374                 indexIndex = i;
 375                 break;
 376             }
 377         }
 378         Log.d(LOG, "Loading index " + indexIndex);
 379         index = dictionary.indices.get(indexIndex);
 380         getListView().setEmptyView(findViewById(android.R.id.empty));
 381         setListAdapter(new IndexAdapter(index));
 382
 383         // Pre-load the collators.
 384         new Thread(new Runnable() {
 385             public void run() {
 386                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
 387                 final long startMillis = System.currentTimeMillis();
 388                 try {
 389                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 390                         @Override
 391                         public void onTransliteratorReady() {
 392                             uiHandler.post(new Runnable() {
 393                                 @Override
 394                                 public void run() {
 395                                     onSearchTextChange(searchView.getQuery().toString());
 396                                 }
 397                             });
 398                         }
 399                     });
 400
 401                     for (final Index index : dictionary.indices) {
 402                         final String searchToken = index.sortedIndexEntries.get(0).token;
 403                         final IndexEntry entry = index.findExact(searchToken);
 404                         if (entry == null || !searchToken.equals(entry.token)) {
 405                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 406                         }
 407                     }
 408                     indexPrepFinished = true;
 409                 } catch (Exception e) {
 410                     Log.w(LOG,
 411                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 412                 }
 413                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 414             }
 415         }).start();
 416
 417         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 418         if ("SYSTEM".equals(fontName)) {
 419             typeface = Typeface.DEFAULT;
 420         } else if ("SERIF".equals(fontName)) {
 421             typeface = Typeface.SERIF;
 422         } else if ("SANS_SERIF".equals(fontName)) {
 423             typeface = Typeface.SANS_SERIF;
 424         } else if ("MONOSPACE".equals(fontName)) {
 425             typeface = Typeface.MONOSPACE;
 426         } else {
 427             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 428                 fontName = "FreeSerif.otf.jpg";
 429             }
 430             try {
 431                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 432             } catch (Exception e) {
 433                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 434                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 435                         Toast.LENGTH_LONG).show();
 436             }
 437         }
 438         if (typeface == null) {
 439             Log.w(LOG, "Unable to create typeface, using default.");
 440             typeface = Typeface.DEFAULT;
 441         }
 442         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 443         try {
 444             fontSizeSp = Integer.parseInt(fontSize.trim());
 445         } catch (NumberFormatException e) {
 446             fontSizeSp = 14;
 447         }
 448
 449         // ContextMenu.
 450         registerForContextMenu(getListView());
 451
 452         // Cache some prefs.
 453         wordList = application.getWordListFile();
 454         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 455                 false);
 456         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 457                 false);
 458         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 459
 460         onCreateSetupActionBarAndSearchView();
 461
 462         View floatSwapButton = findViewById(R.id.floatSwapButton);
 463         floatSwapButton.setOnClickListener(new OnClickListener() {
 464             @Override
 465             public void onClick(View arg0) {
 466                 onLanguageButtonClick();
 467             }
 468         });
 469         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 470             @Override
 471             public boolean onLongClick(View v) {
 472                 onLanguageButtonLongClick(v.getContext());
 473                 return true;
 474             }
 475         });
 476
 477         final FloatingActionButton floatSearchButton = (FloatingActionButton)findViewById(R.id.floatSearchButton);
 478         floatSearchButton.setOnClickListener(new OnClickListener() {
 479             @Override
 480             public void onClick(View arg0) {
 481                 if (!searchView.hasFocus()) {
 482                     searchView.requestFocus();
 483                 }
 484                 if (searchView.getQuery().toString().length() > 0) {
 485                     searchView.setQuery("", false);
 486                 }
 487                 showKeyboard();
 488                 searchView.setIconified(false);
 489             }
 490         });
 491
 492         // Set the search text from the intent, then the saved state.
 493         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 494         if (savedInstanceState != null) {
 495             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 496         }
 497         if (text == null) {
 498             text = "";
 499         }
 500         setSearchText(text, true);
 501         Log.d(LOG, "Trying to restore searchText=" + text);
 502
 503         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 504
 505         updateLangButton();
 506         searchView.requestFocus();
 507
 508         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 509 //        getListView().setCacheColorHint(0);
 510     }
 511
 512     private void onCreateSetupActionBarAndSearchView() {
 513         ActionBar actionBar = getSupportActionBar();
 514         actionBar.setDisplayShowTitleEnabled(false);
 515         actionBar.setDisplayShowHomeEnabled(false);
 516         actionBar.setDisplayHomeAsUpEnabled(false);
 517
 518         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 519
 520         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 521                 ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 522         customSearchView.setLayoutParams(layoutParams);
 523
 524         listView.setOnItemClickListener(new OnItemClickListener() {
 525             @Override
 526             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 527                 onListItemClick(getListView(), view, row, id);
 528             }
 529         });
 530
 531         languageButton = new ImageButton(customSearchView.getContext());
 532         languageButton.setScaleType(ScaleType.FIT_CENTER);
 533         languageButton.setOnClickListener(new OnClickListener() {
 534             @Override
 535             public void onClick(View arg0) {
 536                 onLanguageButtonClick();
 537             }
 538         });
 539         languageButton.setOnLongClickListener(new OnLongClickListener() {
 540             @Override
 541             public boolean onLongClick(View v) {
 542                 onLanguageButtonLongClick(v.getContext());
 543                 return true;
 544             }
 545         });
 546         languageButton.setAdjustViewBounds(true);
 547         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 548         customSearchView.addView(languageButton, lpb);
 549
 550         searchView = new SearchView(getSupportActionBar().getThemedContext());
 551
 552         // Get rid of search icon, it takes up too much space.
 553         // There is still text saying "search" in the search field.
 554         searchView.setIconifiedByDefault(true);
 555         searchView.setIconified(false);
 556
 557         searchView.setQueryHint(getString(R.string.searchText));
 558         searchView.setSubmitButtonEnabled(false);
 559         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 560         searchView.setImeOptions(
 561                 EditorInfo.IME_ACTION_DONE |
 562                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 563                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 564                         // 11
 565                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 566         onQueryTextListener = new OnQueryTextListener() {
 567             @Override
 568             public boolean onQueryTextSubmit(String query) {
 569                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 570                 hideKeyboard();
 571                 return true;
 572             }
 573
 574             @Override
 575             public boolean onQueryTextChange(String newText) {
 576                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 577                 onSearchTextChange(searchView.getQuery().toString());
 578                 return true;
 579             }
 580         };
 581         searchView.setOnQueryTextListener(onQueryTextListener);
 582         searchView.setFocusable(true);
 583         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 584                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 585         customSearchView.addView(searchView, lp);
 586
 587         actionBar.setCustomView(customSearchView);
 588         actionBar.setDisplayShowCustomEnabled(true);
 589
 590         // Avoid wasting space on large left inset
 591         Toolbar tb = (Toolbar)customSearchView.getParent();
 592         tb.setContentInsetsRelative(0, 0);
 593     }
 594
 595     @Override
 596     protected void onResume() {
 597         Log.d(LOG, "onResume");
 598         super.onResume();
 599         if (PreferenceActivity.prefsMightHaveChanged) {
 600             PreferenceActivity.prefsMightHaveChanged = false;
 601             finish();
 602             startActivity(getIntent());
 603         }
 604         showKeyboard();
 605     }
 606
 607     @Override
 608     protected void onPause() {
 609         super.onPause();
 610     }
 611
 612     @Override
 613     /**
 614      * Invoked when MyWebView returns, since the user might have clicked some
 615      * hypertext in the MyWebView.
 616      */
 617     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 618         super.onActivityResult(requestCode, resultCode, result);
 619         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 620             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 621             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 622         }
 623     }
 624
 625     private static void setDictionaryPrefs(final Context context, final File dictFile,
 626             final String indexShortName, final String searchToken) {
 627         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 628                 context).edit();
 629         prefs.putString(C.DICT_FILE, dictFile.getPath());
 630         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 631         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 632         prefs.commit();
 633     }
 634
 635     @Override
 636     protected void onDestroy() {
 637         super.onDestroy();
 638         if (dictRaf == null) {
 639             return;
 640         }
 641
 642         final SearchOperation searchOperation = currentSearchOperation;
 643         currentSearchOperation = null;
 644
 645         // Before we close the RAF, we have to wind the current search down.
 646         if (searchOperation != null) {
 647             Log.d(LOG, "Interrupting search to shut down.");
 648             currentSearchOperation = null;
 649             searchOperation.interrupted.set(true);
 650         }
 651
 652         try {
 653             Log.d(LOG, "Closing RAF.");
 654             dictRaf.close();
 655         } catch (IOException e) {
 656             Log.e(LOG, "Failed to close dictionary", e);
 657         }
 658         dictRaf = null;
 659     }
 660
 661     // --------------------------------------------------------------------------
 662     // Buttons
 663     // --------------------------------------------------------------------------
 664
 665     private void showKeyboard() {
 666         // For some reason, this doesn't always work the first time.
 667         // One way to replicate the problem:
 668         // Press the "task switch" button repeatedly to pause and resume
 669         for (int delay = 1; delay <= 101; delay += 100) {
 670             searchView.postDelayed(new Runnable() {
 671                 @Override
 672                 public void run() {
 673                     Log.d(LOG, "Trying to show soft keyboard.");
 674                     final boolean searchTextHadFocus = searchView.hasFocus();
 675                     searchView.requestFocusFromTouch();
 676                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 677                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 678                     if (!searchTextHadFocus) {
 679                         defocusSearchText();
 680                     }
 681                 }
 682             }, delay);
 683         }
 684     }
 685
 686     private void hideKeyboard() {
 687         Log.d(LOG, "Hide soft keyboard.");
 688         searchView.clearFocus();
 689         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 690         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 691     }
 692
 693     void updateLangButton() {
 694         final LanguageResources languageResources =
 695                 DictionaryApplication.isoCodeToResources.get(index.shortName);
 696         if (languageResources != null && languageResources.flagId != 0) {
 697             languageButton.setImageResource(languageResources.flagId);
 698         } else {
 699             if (indexIndex % 2 == 0) {
 700                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 701             } else {
 702                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 703             }
 704         }
 705         updateTTSLanguage(indexIndex);
 706     }
 707
 708     private void updateTTSLanguage(int i) {
 709         if (!ttsReady || index == null || textToSpeech == null) {
 710             Log.d(LOG, "Can't updateTTSLanguage.");
 711             return;
 712         }
 713         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 714         Log.d(LOG, "Setting TTS locale to: " + locale);
 715         try {
 716         final int ttsResult = textToSpeech.setLanguage(locale);
 717         if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 718                 ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 719             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 720         }
 721         } catch (Exception e) {
 722             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 723         }
 724     }
 725
 726     void onLanguageButtonClick() {
 727         if (dictionary.indices.size() == 1) {
 728             // No need to work to switch indices.
 729             return;
 730         }
 731         if (currentSearchOperation != null) {
 732             currentSearchOperation.interrupted.set(true);
 733             currentSearchOperation = null;
 734         }
 735         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 736                 searchView.getQuery().toString(), false);
 737     }
 738
 739     void onLanguageButtonLongClick(final Context context) {
 740         final Dialog dialog = new Dialog(context);
 741         dialog.setContentView(R.layout.select_dictionary_dialog);
 742         dialog.setTitle(R.string.selectDictionary);
 743
 744         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 745
 746         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 747         final Button button = new Button(listView.getContext());
 748         final String name = getString(R.string.dictionaryManager);
 749         button.setText(name);
 750         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 751                 DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 752             @Override
 753             protected void onGo() {
 754                 dialog.dismiss();
 755                 DictionaryActivity.this.finish();
 756             }
 757         };
 758         button.setOnClickListener(intentLauncher);
 759         listView.addHeaderView(button);
 760
 761         listView.setAdapter(new BaseAdapter() {
 762             @Override
 763             public View getView(int position, View convertView, ViewGroup parent) {
 764                 final DictionaryInfo dictionaryInfo = getItem(position);
 765
 766                 final LinearLayout result = new LinearLayout(parent.getContext());
 767
 768                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 769                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 770                     final View button = application.createButton(parent.getContext(),
 771                             dictionaryInfo, indexInfo);
 772                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 773                             getLaunchIntent(getApplicationContext(),
 774                                     application.getPath(dictionaryInfo.uncompressedFilename),
 775                                     indexInfo.shortName, searchView.getQuery().toString())) {
 776                         @Override
 777                         protected void onGo() {
 778                             dialog.dismiss();
 779                             DictionaryActivity.this.finish();
 780                         }
 781                     };
 782                     button.setOnClickListener(intentLauncher);
 783                     if (i == indexIndex && dictFile != null &&
 784                         dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 785                         button.setPressed(true);
 786                     }
 787                     result.addView(button);
 788                 }
 789
 790                 final TextView nameView = new TextView(parent.getContext());
 791                 final String name = application
 792                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 793                 nameView.setText(name);
 794                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 795                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 796                 layoutParams.width = 0;
 797                 layoutParams.weight = 1.0f;
 798                 nameView.setLayoutParams(layoutParams);
 799                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 800                 result.addView(nameView);
 801                 return result;
 802             }
 803
 804             @Override
 805             public long getItemId(int position) {
 806                 return position;
 807             }
 808
 809             @Override
 810             public DictionaryInfo getItem(int position) {
 811                 return installedDicts.get(position);
 812             }
 813
 814             @Override
 815             public int getCount() {
 816                 return installedDicts.size();
 817             }
 818         });
 819         dialog.show();
 820     }
 821
 822     void onUpDownButton(final boolean up) {
 823         if (isFiltered()) {
 824             return;
 825         }
 826         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 827         final RowBase row = index.rows.get(firstVisibleRow);
 828         final TokenRow tokenRow = row.getTokenRow(true);
 829         final int destIndexEntry;
 830         if (up) {
 831             if (row != tokenRow) {
 832                 destIndexEntry = tokenRow.referenceIndex;
 833             } else {
 834                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 835             }
 836         } else {
 837             // Down
 838             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 839         }
 840         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 841         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 842         setSearchText(dest.token, false);
 843         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 844         defocusSearchText();
 845     }
 846
 847     void onRandomWordButton() {
 848         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 849         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 850         setSearchText(dest.token, false);
 851         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 852         defocusSearchText();
 853     }
 854
 855     // --------------------------------------------------------------------------
 856     // Options Menu
 857     // --------------------------------------------------------------------------
 858
 859     final Random random = new Random();
 860
 861     @Override
 862     public boolean onCreateOptionsMenu(final Menu menu) {
 863
 864         if (PreferenceManager.getDefaultSharedPreferences(this)
 865                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 866             // Next word.
 867             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 868                     .setIcon(R.drawable.arrow_down_float);
 869             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 870             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 871                 @Override
 872                 public boolean onMenuItemClick(MenuItem item) {
 873                     onUpDownButton(false);
 874                     return true;
 875                 }
 876             });
 877
 878             // Previous word.
 879             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 880                     .setIcon(R.drawable.arrow_up_float);
 881             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 882             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 883                 @Override
 884                 public boolean onMenuItemClick(MenuItem item) {
 885                     onUpDownButton(true);
 886                     return true;
 887                 }
 888             });
 889         }
 890
 891         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 892         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 893             @Override
 894             public boolean onMenuItemClick(MenuItem item) {
 895                 onRandomWordButton();
 896                 return true;
 897             }
 898         });
 899
 900         application.onCreateGlobalOptionsMenu(this, menu);
 901
 902         {
 903             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 904             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 905             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 906                 public boolean onMenuItemClick(final MenuItem menuItem) {
 907                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 908                     finish();
 909                     return false;
 910                 }
 911             });
 912         }
 913
 914         {
 915             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 916             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 917             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 918                 public boolean onMenuItemClick(final MenuItem menuItem) {
 919                     final Context context = getListView().getContext();
 920                     final Dialog dialog = new Dialog(context);
 921                     dialog.setContentView(R.layout.about_dictionary_dialog);
 922                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 923
 924                     final String name = application.getDictionaryName(dictFile.getName());
 925                     dialog.setTitle(name);
 926
 927                     final StringBuilder builder = new StringBuilder();
 928                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 929                     dictionaryInfo.uncompressedBytes = dictFile.length();
 930                     if (dictionaryInfo != null) {
 931                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 932                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 933                                 .append("\n");
 934                         builder.append(
 935                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 936                                 .append("\n");
 937                         builder.append(
 938                                 getString(R.string.dictionaryCreationTime,
 939                                         dictionaryInfo.creationMillis)).append("\n");
 940                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 941                             builder.append("\n");
 942                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 943                                     .append("\n");
 944                             builder.append(
 945                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 946                                     .append("\n");
 947                         }
 948                         builder.append("\n");
 949                         builder.append(getString(R.string.sources)).append("\n");
 950                         for (final EntrySource source : dictionary.sources) {
 951                             builder.append(
 952                                     getString(R.string.sourceInfo, source.getName(),
 953                                             source.getNumEntries())).append("\n");
 954                         }
 955                     }
 956                     textView.setText(builder.toString());
 957
 958                     dialog.show();
 959                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 960                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 961                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 962                     dialog.getWindow().setAttributes(layoutParams);
 963                     return false;
 964                 }
 965             });
 966         }
 967
 968         return true;
 969     }
 970
 971     // --------------------------------------------------------------------------
 972     // Context Menu + clicks
 973     // --------------------------------------------------------------------------
 974
 975     @Override
 976     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 977         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 978         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 979
 980         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 981                 wordList.getName()));
 982         addToWordlist
 983                 .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 984                     public boolean onMenuItemClick(android.view.MenuItem item) {
 985                         onAppendToWordList(row);
 986                         return false;
 987                     }
 988                 });
 989
 990         final android.view.MenuItem share = menu.add("Share");
 991         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 992             public boolean onMenuItemClick(android.view.MenuItem item) {
 993                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
 994                 shareIntent.setType("text/plain");
 995                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
 996                         .getToken());
 997                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
 998                         row.getRawText(saveOnlyFirstSubentry));
 999                 startActivity(shareIntent);
1000                 return false;
1001             }
1002         });
1003
1004         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1005         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1006             public boolean onMenuItemClick(android.view.MenuItem item) {
1007                 onCopy(row);
1008                 return false;
1009             }
1010         });
1011
1012         if (selectedSpannableText != null) {
1013             final String selectedText = selectedSpannableText;
1014             final android.view.MenuItem searchForSelection = menu.add(getString(
1015                     R.string.searchForSelection,
1016                     selectedSpannableText));
1017             searchForSelection
1018                     .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1019                         public boolean onMenuItemClick(android.view.MenuItem item) {
1020                             jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1021                             return false;
1022                         }
1023                     });
1024             // Rats, this won't be shown:
1025             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1026         }
1027
1028         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1029             final android.view.MenuItem speak = menu.add(R.string.speak);
1030             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1031             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1032             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1033                 @Override
1034                 public boolean onMenuItemClick(android.view.MenuItem item) {
1035                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1036                             new HashMap<String, String>());
1037                     return false;
1038                 }
1039             });
1040         }
1041     }
1042
1043     private void jumpToTextFromHyperLink(
1044             final String selectedText, final int defaultIndexToUse) {
1045         int indexToUse = -1;
1046         int numFound = 0;
1047         for (int i = 0; i < dictionary.indices.size(); ++i) {
1048             final Index index = dictionary.indices.get(i);
1049             if (indexPrepFinished) {
1050                 System.out.println("Doing index lookup: on " + selectedText);
1051                 final IndexEntry indexEntry = index.findExact(selectedText);
1052                 if (indexEntry != null) {
1053                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1054                             .getTokenRow(false);
1055                     if (tokenRow != null && tokenRow.hasMainEntry) {
1056                         indexToUse = i;
1057                         ++numFound;
1058                     }
1059                 }
1060             } else {
1061                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1062             }
1063         }
1064         if (numFound != 1 || indexToUse == -1) {
1065             indexToUse = defaultIndexToUse;
1066         }
1067         // Without this extra delay, the call to jumpToRow that this
1068         // invokes doesn't always actually have any effect.
1069         final int actualIndexToUse = indexToUse;
1070         getListView().postDelayed(new Runnable() {
1071             @Override
1072             public void run() {
1073                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1074             }
1075         }, 100);
1076     }
1077
1078     /**
1079      * Called when user clicks outside of search text, so that they can start
1080      * typing again immediately.
1081      */
1082     void defocusSearchText() {
1083         // Log.d(LOG, "defocusSearchText");
1084         // Request focus so that if we start typing again, it clears the text
1085         // input.
1086         getListView().requestFocus();
1087
1088         // Visual indication that a new keystroke will clear the search text.
1089         // Doesn't seem to work unless searchText has focus.
1090         // searchView.selectAll();
1091     }
1092
1093     protected void onListItemClick(ListView l, View v, int row, long id) {
1094         defocusSearchText();
1095         if (clickOpensContextMenu && dictRaf != null) {
1096             openContextMenu(v);
1097         }
1098     }
1099
1100     @SuppressLint("SimpleDateFormat")
1101     void onAppendToWordList(final RowBase row) {
1102         defocusSearchText();
1103
1104         final StringBuilder rawText = new StringBuilder();
1105         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1106         rawText.append(index.longName).append("\t");
1107         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1108         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1109         Log.d(LOG, "Writing : " + rawText);
1110
1111         try {
1112             wordList.getParentFile().mkdirs();
1113             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1114             out.println(rawText.toString());
1115             out.close();
1116         } catch (Exception e) {
1117             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1118             Toast.makeText(this,
1119                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1120                     Toast.LENGTH_LONG).show();
1121         }
1122         return;
1123     }
1124
1125     @SuppressWarnings("deprecation")
1126     void onCopy(final RowBase row) {
1127         defocusSearchText();
1128
1129         Log.d(LOG, "Copy, row=" + row);
1130         final StringBuilder result = new StringBuilder();
1131         result.append(row.getRawText(false));
1132         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1133         clipboardManager.setText(result.toString());
1134         Log.d(LOG, "Copied: " + result);
1135     }
1136
1137     @Override
1138     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1139         if (event.getUnicodeChar() != 0) {
1140             if (!searchView.hasFocus()) {
1141                 setSearchText("" + (char) event.getUnicodeChar(), true);
1142                 searchView.requestFocus();
1143             }
1144             return true;
1145         }
1146         if (keyCode == KeyEvent.KEYCODE_BACK) {
1147             // Log.d(LOG, "Clearing dictionary prefs.");
1148             // Pretend that we just autolaunched so that we won't do it again.
1149             // DictionaryManagerActivity.lastAutoLaunchMillis =
1150             // System.currentTimeMillis();
1151         }
1152         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1153             Log.d(LOG, "Trying to hide soft keyboard.");
1154             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1155             View focus = getCurrentFocus();
1156             if (focus != null) {
1157                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1158                         InputMethodManager.HIDE_NOT_ALWAYS);
1159             }
1160             return true;
1161         }
1162         return super.onKeyDown(keyCode, event);
1163     }
1164
1165     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1166         Log.d(LOG, "Changing index to: " + newIndex);
1167         if (newIndex == -1) {
1168             Log.e(LOG, "Invalid index.");
1169             newIndex = 0;
1170         }
1171         if (newIndex != indexIndex) {
1172             indexIndex = newIndex;
1173             index = dictionary.indices.get(indexIndex);
1174             indexAdapter = new IndexAdapter(index);
1175             setListAdapter(indexAdapter);
1176             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1177             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1178             updateLangButton();
1179         }
1180         setSearchText(newSearchText, true, hideKeyboard);
1181     }
1182
1183     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1184         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1185         // Disable the listener, because sometimes it doesn't work.
1186         searchView.setOnQueryTextListener(null);
1187         searchView.setQuery(text, false);
1188         moveCursorToRight();
1189         searchView.setOnQueryTextListener(onQueryTextListener);
1190
1191         if (triggerSearch) {
1192             onSearchTextChange(text);
1193         }
1194
1195         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1196         if (hideKeyboard) {
1197             hideKeyboard();
1198         }
1199     }
1200
1201     private void setSearchText(final String text, final boolean triggerSearch) {
1202         setSearchText(text, triggerSearch, true);
1203     }
1204
1205     // private long cursorDelayMillis = 100;
1206     private void moveCursorToRight() {
1207         // if (searchText.getLayout() != null) {
1208         // cursorDelayMillis = 100;
1209         // // Surprising, but this can crash when you rotate...
1210         // Selection.moveToRightEdge(searchView.getQuery(),
1211         // searchText.getLayout());
1212         // } else {
1213         // uiHandler.postDelayed(new Runnable() {
1214         // @Override
1215         // public void run() {
1216         // moveCursorToRight();
1217         // }
1218         // }, cursorDelayMillis);
1219         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1220         // }
1221     }
1222
1223     // --------------------------------------------------------------------------
1224     // SearchOperation
1225     // --------------------------------------------------------------------------
1226
1227     private void searchFinished(final SearchOperation searchOperation) {
1228         if (searchOperation.interrupted.get()) {
1229             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1230             return;
1231         }
1232         if (searchOperation != this.currentSearchOperation) {
1233             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1234             return;
1235         }
1236
1237         final Index.IndexEntry searchResult = searchOperation.searchResult;
1238         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1239
1240         currentSearchOperation = null;
1241         uiHandler.postDelayed(new Runnable() {
1242             @Override
1243             public void run() {
1244                 if (currentSearchOperation == null) {
1245                     if (searchResult != null) {
1246                         if (isFiltered()) {
1247                             clearFiltered();
1248                         }
1249                         jumpToRow(searchResult.startRow);
1250                     } else if (searchOperation.multiWordSearchResult != null) {
1251                         // Multi-row search....
1252                         setFiltered(searchOperation);
1253                     } else {
1254                         throw new IllegalStateException("This should never happen.");
1255                     }
1256                 } else {
1257                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1258                 }
1259             }
1260         }, 20);
1261     }
1262
1263     private final void jumpToRow(final int row) {
1264         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1265         // getListView().requestFocusFromTouch();
1266         getListView().setSelectionFromTop(row, 0);
1267         getListView().setSelected(true);
1268     }
1269
1270     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1271
1272     final class SearchOperation implements Runnable {
1273
1274         final AtomicBoolean interrupted = new AtomicBoolean(false);
1275
1276         final String searchText;
1277
1278         List<String> searchTokens; // filled in for multiWord.
1279
1280         final Index index;
1281
1282         long searchStartMillis;
1283
1284         Index.IndexEntry searchResult;
1285
1286         List<RowBase> multiWordSearchResult;
1287
1288         boolean done = false;
1289
1290         SearchOperation(final String searchText, final Index index) {
1291             this.searchText = StringUtil.normalizeWhitespace(searchText);
1292             this.index = index;
1293         }
1294
1295         public String toString() {
1296             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1297         }
1298
1299         @Override
1300         public void run() {
1301             try {
1302                 searchStartMillis = System.currentTimeMillis();
1303                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1304                 if (searchTokenArray.length == 1) {
1305                     searchResult = index.findInsertionPoint(searchText, interrupted);
1306                 } else {
1307                     searchTokens = Arrays.asList(searchTokenArray);
1308                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1309                             interrupted);
1310                 }
1311                 Log.d(LOG,
1312                         "searchText=" + searchText + ", searchDuration="
1313                                 + (System.currentTimeMillis() - searchStartMillis)
1314                                 + ", interrupted=" + interrupted.get());
1315                 if (!interrupted.get()) {
1316                     uiHandler.post(new Runnable() {
1317                         @Override
1318                         public void run() {
1319                             searchFinished(SearchOperation.this);
1320                         }
1321                     });
1322                 } else {
1323                     Log.d(LOG, "interrupted, skipping searchFinished.");
1324                 }
1325             } catch (Exception e) {
1326                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1327             } finally {
1328                 synchronized (this) {
1329                     done = true;
1330                     this.notifyAll();
1331                 }
1332             }
1333         }
1334     }
1335
1336     // --------------------------------------------------------------------------
1337     // IndexAdapter
1338     // --------------------------------------------------------------------------
1339
1340     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1341             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1342
1343     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1344             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1345
1346     final class IndexAdapter extends BaseAdapter {
1347
1348         private static final float PADDING_DEFAULT_DP = 8;
1349
1350         private static final float PADDING_LARGE_DP = 16;
1351
1352         final Index index;
1353
1354         final List<RowBase> rows;
1355
1356         final Set<String> toHighlight;
1357
1358         private int mPaddingDefault;
1359
1360         private int mPaddingLarge;
1361
1362         IndexAdapter(final Index index) {
1363             this.index = index;
1364             rows = index.rows;
1365             this.toHighlight = null;
1366             getMetrics();
1367         }
1368
1369         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1370             this.index = index;
1371             this.rows = rows;
1372             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1373             getMetrics();
1374         }
1375
1376         private void getMetrics() {
1377             // Get the screen's density scale
1378             final float scale = getResources().getDisplayMetrics().density;
1379             // Convert the dps to pixels, based on density scale
1380             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1381             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1382         }
1383
1384         @Override
1385         public int getCount() {
1386             return rows.size();
1387         }
1388
1389         @Override
1390         public RowBase getItem(int position) {
1391             return rows.get(position);
1392         }
1393
1394         @Override
1395         public long getItemId(int position) {
1396             return getItem(position).index();
1397         }
1398
1399         @Override
1400         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1401             final TableLayout result;
1402             if (convertView instanceof TableLayout) {
1403                 result = (TableLayout) convertView;
1404                 result.removeAllViews();
1405             } else {
1406                 result = new TableLayout(parent.getContext());
1407             }
1408             final RowBase row = getItem(position);
1409             if (row instanceof PairEntry.Row) {
1410                 return getView(position, (PairEntry.Row) row, parent, result);
1411             } else if (row instanceof TokenRow) {
1412                 return getView((TokenRow) row, parent, result);
1413             } else if (row instanceof HtmlEntry.Row) {
1414                 return getView((HtmlEntry.Row) row, parent, result);
1415             } else {
1416                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1417             }
1418         }
1419
1420         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1421                 final TableLayout result) {
1422             final PairEntry entry = row.getEntry();
1423             final int rowCount = entry.pairs.size();
1424
1425             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1426             layoutParams.weight = 0.5f;
1427             layoutParams.leftMargin = mPaddingLarge;
1428
1429             for (int r = 0; r < rowCount; ++r) {
1430                 final TableRow tableRow = new TableRow(result.getContext());
1431
1432                 final TextView col1 = new TextView(tableRow.getContext());
1433                 final TextView col2 = new TextView(tableRow.getContext());
1434
1435                 // Set the columns in the table.
1436                 if (r > 0) {
1437                     final TextView bullet = new TextView(tableRow.getContext());
1438                     bullet.setText(" • ");
1439                     tableRow.addView(bullet);
1440                 }
1441                 tableRow.addView(col1, layoutParams);
1442                 final TextView margin = new TextView(tableRow.getContext());
1443                 margin.setText(" ");
1444                 tableRow.addView(margin);
1445                 if (r > 0) {
1446                     final TextView bullet = new TextView(tableRow.getContext());
1447                     bullet.setText(" • ");
1448                     tableRow.addView(bullet);
1449                 }
1450                 tableRow.addView(col2, layoutParams);
1451                 col1.setWidth(1);
1452                 col2.setWidth(1);
1453
1454                 // Set what's in the columns.
1455
1456                 final Pair pair = entry.pairs.get(r);
1457                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1458                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1459
1460                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1461                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1462
1463                 // Bold the token instances in col1.
1464                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1465                         .singleton(row.getTokenRow(true).getToken());
1466                 final Spannable col1Spannable = (Spannable) col1.getText();
1467                 for (final String token : toBold) {
1468                     int startPos = 0;
1469                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1470                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1471                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1472                         startPos += token.length();
1473                     }
1474                 }
1475
1476                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1477                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1478
1479                 col1.setTypeface(typeface);
1480                 col2.setTypeface(typeface);
1481                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1482                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1483                 // col2.setBackgroundResource(theme.otherLangBg);
1484
1485                 if (index.swapPairEntries) {
1486                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1487                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1488                 } else {
1489                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1490                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1491                 }
1492
1493                 result.addView(tableRow);
1494             }
1495
1496             // Because we have a Button inside a ListView row:
1497             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1498             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1499             result.setClickable(true);
1500             result.setFocusable(true);
1501             result.setLongClickable(true);
1502 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1503
1504             result.setBackgroundResource(theme.normalRowBg);
1505
1506             result.setOnClickListener(new TextView.OnClickListener() {
1507                 @Override
1508                 public void onClick(View v) {
1509                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1510                 }
1511             });
1512
1513             return result;
1514         }
1515
1516         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1517                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1518                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1519             final Context context = parent.getContext();
1520
1521             final TableRow tableRow = new TableRow(result.getContext());
1522             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1523                     : theme.tokenRowOtherBg);
1524             if (isTokenRow) {
1525                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1526             } else {
1527                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1528             }
1529             result.addView(tableRow);
1530
1531             // Make it so we can long-click on these token rows, too:
1532             final TextView textView = new TextView(context);
1533             textView.setText(text, BufferType.SPANNABLE);
1534             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1535             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1536             result.setLongClickable(true);
1537
1538             // Doesn't work:
1539             // textView.setTextColor(android.R.color.secondary_text_light);
1540             textView.setTypeface(typeface);
1541             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1542             if (isTokenRow) {
1543                 textView.setTextAppearance(context, theme.tokenRowFg);
1544                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1545             } else {
1546                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1547             }
1548             lp.weight = 1.0f;
1549
1550             textView.setLayoutParams(lp);
1551             tableRow.addView(textView);
1552
1553             if (!htmlEntries.isEmpty()) {
1554                 final ClickableSpan clickableSpan = new ClickableSpan() {
1555                     @Override
1556                     public void onClick(View widget) {
1557                     }
1558                 };
1559                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1560                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1561                 result.setClickable(true);
1562                 textView.setClickable(true);
1563                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1564                 textView.setOnClickListener(new OnClickListener() {
1565                     @Override
1566                     public void onClick(View v) {
1567                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1568                         // Log.d(LOG, "html=" + html);
1569                         startActivityForResult(
1570                                 HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1571                                         "<html><head></head><body>%s</body></html>", html),
1572                                         htmlTextToHighlight, false),
1573                                 0);
1574                     }
1575                 });
1576             }
1577             return result;
1578         }
1579
1580         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1581             final IndexEntry indexEntry = row.getIndexEntry();
1582             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1583                     indexEntry.htmlEntries, null, parent, result);
1584         }
1585
1586         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1587             final HtmlEntry htmlEntry = row.getEntry();
1588             final TokenRow tokenRow = row.getTokenRow(true);
1589             return getPossibleLinkToHtmlEntryView(false,
1590                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1591                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1592                     result);
1593         }
1594
1595     }
1596
1597     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1598
1599     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1600             final String text) {
1601         // Saw from the source code that LinkMovementMethod sets the selection!
1602         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1603         textView.setMovementMethod(LinkMovementMethod.getInstance());
1604         final Matcher matcher = CHAR_DASH.matcher(text);
1605         while (matcher.find()) {
1606             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1607                     matcher.end(),
1608                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1609         }
1610     }
1611
1612     String selectedSpannableText = null;
1613
1614     int selectedSpannableIndex = -1;
1615
1616     @Override
1617     public boolean onTouchEvent(MotionEvent event) {
1618         selectedSpannableText = null;
1619         selectedSpannableIndex = -1;
1620         return super.onTouchEvent(event);
1621     }
1622
1623     private class TextViewLongClickListener implements OnLongClickListener {
1624         final int index;
1625
1626         private TextViewLongClickListener(final int index) {
1627             this.index = index;
1628         }
1629
1630         @Override
1631         public boolean onLongClick(final View v) {
1632             final TextView textView = (TextView) v;
1633             final int start = textView.getSelectionStart();
1634             final int end = textView.getSelectionEnd();
1635             if (start >= 0 && end >= 0) {
1636                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1637                 selectedSpannableIndex = index;
1638             }
1639             return false;
1640         }
1641     }
1642
1643     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1644             0);
1645
1646     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1647             1);
1648
1649     // --------------------------------------------------------------------------
1650     // SearchText
1651     // --------------------------------------------------------------------------
1652
1653     void onSearchTextChange(final String text) {
1654         if ("thadolina".equals(text)) {
1655             final Dialog dialog = new Dialog(getListView().getContext());
1656             dialog.setContentView(R.layout.thadolina_dialog);
1657             dialog.setTitle("Ti amo, amore mio!");
1658             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1659             imageView.setOnClickListener(new OnClickListener() {
1660                 @Override
1661                 public void onClick(View v) {
1662                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1663                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1664                     startActivity(intent);
1665                 }
1666             });
1667             dialog.show();
1668         }
1669         if (dictRaf == null) {
1670             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1671             return;
1672         }
1673
1674         // if (!searchView.hasFocus()) {
1675         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1676         // return;
1677         // }
1678         Log.d(LOG, "onSearchTextChange: " + text);
1679         if (currentSearchOperation != null) {
1680             Log.d(LOG, "Interrupting currentSearchOperation.");
1681             currentSearchOperation.interrupted.set(true);
1682         }
1683         currentSearchOperation = new SearchOperation(text, index);
1684         searchExecutor.execute(currentSearchOperation);
1685         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1686     }
1687
1688     // --------------------------------------------------------------------------
1689     // Filtered results.
1690     // --------------------------------------------------------------------------
1691
1692     boolean isFiltered() {
1693         return rowsToShow != null;
1694     }
1695
1696     void setFiltered(final SearchOperation searchOperation) {
1697         if (nextWordMenuItem != null) {
1698             nextWordMenuItem.setEnabled(false);
1699             previousWordMenuItem.setEnabled(false);
1700         }
1701         rowsToShow = searchOperation.multiWordSearchResult;
1702         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1703     }
1704
1705     void clearFiltered() {
1706         if (nextWordMenuItem != null) {
1707             nextWordMenuItem.setEnabled(true);
1708             previousWordMenuItem.setEnabled(true);
1709         }
1710         setListAdapter(new IndexAdapter(index));
1711         rowsToShow = null;
1712     }
1713
1714 }