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     private int getMatchLen(String search, Index.IndexEntry e)
 213     {
 214         if (e == null) return 0;
 215         for (int i = 0; i < search.length(); ++i)
 216         {
 217             String a = search.substring(0, i + 1);
 218             String b = e.token.substring(0, i + 1);
 219             if (!a.equalsIgnoreCase(b))
 220                 return i;
 221         }
 222         return search.length();
 223     }
 224
 225     @Override
 226     public void onCreate(Bundle savedInstanceState) {
 227         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 228         // doesn't makes the background of the actionbar white when you're
 229         // in the dark theme.
 230         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 231
 232         Log.d(LOG, "onCreate:" + this);
 233         super.onCreate(savedInstanceState);
 234
 235         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 236
 237         // Don't auto-launch if this fails.
 238         prefs.edit().remove(C.DICT_FILE).commit();
 239
 240         setContentView(R.layout.dictionary_activity);
 241
 242         application = (DictionaryApplication) getApplication();
 243         theme = application.getSelectedTheme();
 244         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 245
 246         final Intent intent = getIntent();
 247         String intentAction = intent.getAction();
 248         /**
 249          * @author Dominik Köppl Querying the Intent
 250          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 251          *         Arguments: SearchManager.QUERY -> the phrase to search from
 252          *         -> language in which the phrase is written to -> to which
 253          *         language shall be translated
 254          */
 255         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT"))
 256         {
 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             {
 266                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 267             }
 268             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null))
 269             {
 270                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 271                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 272                 for (DictionaryInfo info : dicts)
 273                 {
 274                     boolean hasFrom = from == null;
 275                     boolean hasTo = to == null;
 276                     for (IndexInfo index : info.indexInfos)
 277                     {
 278                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 279                             hasFrom = true;
 280                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 281                             hasTo = true;
 282                     }
 283                     if (hasFrom && hasTo)
 284                     {
 285                         if (from != null)
 286                         {
 287                             int which_index = 0;
 288                             for (; which_index < info.indexInfos.size(); ++which_index)
 289                             {
 290                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 291                                         Locale.US).equals(from))
 292                                     break;
 293                             }
 294                             intent.putExtra(C.INDEX_SHORT_NAME,
 295                                     info.indexInfos.get(which_index).shortName);
 296
 297                         }
 298                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 299                                 .toString());
 300                         break;
 301                     }
 302                 }
 303
 304             }
 305         }
 306         /**
 307          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 308          *         simple query Arguments follow from android standard (see
 309          *         documentation)
 310          */
 311         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH))
 312         {
 313             String query = intent.getStringExtra(SearchManager.QUERY);
 314             if (query != null)
 315                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 316         }
 317         if (intentAction != null && intentAction.equals(Intent.ACTION_SEND))
 318         {
 319             String query = intent.getStringExtra(Intent.EXTRA_TEXT);
 320             if (query != null)
 321                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 322         }
 323         /*
 324          * This processes text on M+ devices where QuickDic shows up in the context menu.
 325          */
 326         if (intentAction != null && intentAction.equals(Intent.ACTION_PROCESS_TEXT)) {
 327             String query = intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT);
 328             if (query != null) {
 329                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 330             }
 331         }
 332         /**
 333          * @author Dominik Köppl If no dictionary is chosen, use the default
 334          *         dictionary specified in the preferences If this step does
 335          *         fail (no default dictionary specified), show a toast and
 336          *         abort.
 337          */
 338         if (intent.getStringExtra(C.DICT_FILE) == null)
 339         {
 340             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 341             if (dictfile != null)
 342                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 343         }
 344         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 345         if (dictFilename == null && intent.getStringExtra(C.SEARCH_TOKEN) != null)
 346         {
 347             final List<DictionaryInfo> dics = application.getDictionariesOnDevice(null);
 348             final String search = intent.getStringExtra(C.SEARCH_TOKEN);
 349             String bestFname = null;
 350             String bestIndex = null;
 351             int bestMatchLen = 2; // ignore shorter matches
 352             AtomicBoolean dummy = new AtomicBoolean();
 353             for (int i = 0; dictFilename == null && i < dics.size(); ++i)
 354             {
 355                 try {
 356                     Log.d(LOG, "Checking dictionary " + dics.get(i).uncompressedFilename);
 357                     final File dictfile = application.getPath(dics.get(i).uncompressedFilename);
 358                     Dictionary dic = new Dictionary(new RandomAccessFile(dictfile, "r"));
 359                     for (int j = 0; j < dic.indices.size(); ++j) {
 360                         Index idx = dic.indices.get(j);
 361                         Log.d(LOG, "Checking index " + idx.shortName);
 362                         if (idx.findExact(search) != null)
 363                         {
 364                             Log.d(LOG, "Found exact match");
 365                             dictFilename = dictfile.toString();
 366                             intent.putExtra(C.INDEX_SHORT_NAME, idx.shortName);
 367                             break;
 368                         }
 369                         int matchLen = getMatchLen(search, idx.findInsertionPoint(search, dummy));
 370                         Log.d(LOG, "Found partial match length " + matchLen);
 371                         if (matchLen > bestMatchLen)
 372                         {
 373                             bestFname = dictfile.toString();
 374                             bestIndex = idx.shortName;
 375                             bestMatchLen = matchLen;
 376                         }
 377                     }
 378                 } catch (Exception e) {}
 379             }
 380             if (dictFilename == null && bestFname != null)
 381             {
 382                 dictFilename = bestFname;
 383                 intent.putExtra(C.INDEX_SHORT_NAME, bestIndex);
 384             }
 385         }
 386
 387         if (dictFilename == null)
 388         {
 389             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 390             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 391             finish();
 392             return;
 393         }
 394         if (dictFilename != null)
 395             dictFile = new File(dictFilename);
 396
 397         ttsReady = false;
 398         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 399             @Override
 400             public void onInit(int status) {
 401                 ttsReady = true;
 402                 updateTTSLanguage(indexIndex);
 403             }
 404         });
 405
 406         try {
 407             final String name = application.getDictionaryName(dictFile.getName());
 408             this.setTitle("QuickDic: " + name);
 409             dictRaf = new RandomAccessFile(dictFile, "r");
 410             dictionary = new Dictionary(dictRaf);
 411         } catch (Exception e) {
 412             Log.e(LOG, "Unable to load dictionary.", e);
 413             if (dictRaf != null) {
 414                 try {
 415                     dictRaf.close();
 416                 } catch (IOException e1) {
 417                     Log.e(LOG, "Unable to close dictRaf.", e1);
 418                 }
 419                 dictRaf = null;
 420             }
 421             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 422                     Toast.LENGTH_LONG).show();
 423             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 424             finish();
 425             return;
 426         }
 427         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 428         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 429             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 430         }
 431         indexIndex = 0;
 432         for (int i = 0; i < dictionary.indices.size(); ++i) {
 433             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 434                 indexIndex = i;
 435                 break;
 436             }
 437         }
 438         Log.d(LOG, "Loading index " + indexIndex);
 439         index = dictionary.indices.get(indexIndex);
 440         getListView().setEmptyView(findViewById(android.R.id.empty));
 441         setListAdapter(new IndexAdapter(index));
 442
 443         // Pre-load the collators.
 444         new Thread(new Runnable() {
 445             public void run() {
 446                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
 447                 final long startMillis = System.currentTimeMillis();
 448                 try {
 449                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 450                         @Override
 451                         public void onTransliteratorReady() {
 452                             uiHandler.post(new Runnable() {
 453                                 @Override
 454                                 public void run() {
 455                                     onSearchTextChange(searchView.getQuery().toString());
 456                                 }
 457                             });
 458                         }
 459                     });
 460
 461                     for (final Index index : dictionary.indices) {
 462                         final String searchToken = index.sortedIndexEntries.get(0).token;
 463                         final IndexEntry entry = index.findExact(searchToken);
 464                         if (entry == null || !searchToken.equals(entry.token)) {
 465                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 466                         }
 467                     }
 468                     indexPrepFinished = true;
 469                 } catch (Exception e) {
 470                     Log.w(LOG,
 471                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 472                 }
 473                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 474             }
 475         }).start();
 476
 477         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 478         if ("SYSTEM".equals(fontName)) {
 479             typeface = Typeface.DEFAULT;
 480         } else if ("SERIF".equals(fontName)) {
 481             typeface = Typeface.SERIF;
 482         } else if ("SANS_SERIF".equals(fontName)) {
 483             typeface = Typeface.SANS_SERIF;
 484         } else if ("MONOSPACE".equals(fontName)) {
 485             typeface = Typeface.MONOSPACE;
 486         } else {
 487             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 488                 fontName = "FreeSerif.otf.jpg";
 489             }
 490             try {
 491                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 492             } catch (Exception e) {
 493                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 494                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 495                         Toast.LENGTH_LONG).show();
 496             }
 497         }
 498         if (typeface == null) {
 499             Log.w(LOG, "Unable to create typeface, using default.");
 500             typeface = Typeface.DEFAULT;
 501         }
 502         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 503         try {
 504             fontSizeSp = Integer.parseInt(fontSize.trim());
 505         } catch (NumberFormatException e) {
 506             fontSizeSp = 14;
 507         }
 508
 509         // ContextMenu.
 510         registerForContextMenu(getListView());
 511
 512         // Cache some prefs.
 513         wordList = application.getWordListFile();
 514         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 515                 false);
 516         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 517                 false);
 518         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 519
 520         onCreateSetupActionBarAndSearchView();
 521
 522         View floatSwapButton = findViewById(R.id.floatSwapButton);
 523         floatSwapButton.setOnClickListener(new OnClickListener() {
 524             @Override
 525             public void onClick(View arg0) {
 526                 onLanguageButtonClick();
 527             }
 528         });
 529         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 530             @Override
 531             public boolean onLongClick(View v) {
 532                 onLanguageButtonLongClick(v.getContext());
 533                 return true;
 534             }
 535         });
 536
 537         final FloatingActionButton floatSearchButton = (FloatingActionButton)findViewById(R.id.floatSearchButton);
 538         floatSearchButton.setOnClickListener(new OnClickListener() {
 539             @Override
 540             public void onClick(View arg0) {
 541                 if (!searchView.hasFocus()) {
 542                     searchView.requestFocus();
 543                 }
 544                 if (searchView.getQuery().toString().length() > 0) {
 545                     searchView.setQuery("", false);
 546                 }
 547                 showKeyboard();
 548                 searchView.setIconified(false);
 549             }
 550         });
 551
 552         // Set the search text from the intent, then the saved state.
 553         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 554         if (savedInstanceState != null) {
 555             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 556         }
 557         if (text == null) {
 558             text = "";
 559         }
 560         setSearchText(text, true);
 561         Log.d(LOG, "Trying to restore searchText=" + text);
 562
 563         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 564
 565         updateLangButton();
 566         searchView.requestFocus();
 567
 568         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 569 //        getListView().setCacheColorHint(0);
 570     }
 571
 572     private void onCreateSetupActionBarAndSearchView() {
 573         ActionBar actionBar = getSupportActionBar();
 574         actionBar.setDisplayShowTitleEnabled(false);
 575         actionBar.setDisplayShowHomeEnabled(false);
 576         actionBar.setDisplayHomeAsUpEnabled(false);
 577
 578         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 579
 580         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 581                 ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 582         customSearchView.setLayoutParams(layoutParams);
 583
 584         listView.setOnItemClickListener(new OnItemClickListener() {
 585             @Override
 586             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 587                 onListItemClick(getListView(), view, row, id);
 588             }
 589         });
 590
 591         languageButton = new ImageButton(customSearchView.getContext());
 592         languageButton.setScaleType(ScaleType.FIT_CENTER);
 593         languageButton.setOnClickListener(new OnClickListener() {
 594             @Override
 595             public void onClick(View v) {
 596                 onLanguageButtonLongClick(v.getContext());
 597             }
 598         });
 599         languageButton.setAdjustViewBounds(true);
 600         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 601         customSearchView.addView(languageButton, lpb);
 602
 603         searchView = new SearchView(getSupportActionBar().getThemedContext());
 604
 605         // Get rid of search icon, it takes up too much space.
 606         // There is still text saying "search" in the search field.
 607         searchView.setIconifiedByDefault(true);
 608         searchView.setIconified(false);
 609
 610         searchView.setQueryHint(getString(R.string.searchText));
 611         searchView.setSubmitButtonEnabled(false);
 612         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 613         searchView.setImeOptions(
 614                 EditorInfo.IME_ACTION_DONE |
 615                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 616                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 617                         // 11
 618                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 619         onQueryTextListener = new OnQueryTextListener() {
 620             @Override
 621             public boolean onQueryTextSubmit(String query) {
 622                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 623                 hideKeyboard();
 624                 return true;
 625             }
 626
 627             @Override
 628             public boolean onQueryTextChange(String newText) {
 629                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 630                 onSearchTextChange(searchView.getQuery().toString());
 631                 return true;
 632             }
 633         };
 634         searchView.setOnQueryTextListener(onQueryTextListener);
 635         searchView.setFocusable(true);
 636         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 637                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 638         customSearchView.addView(searchView, lp);
 639
 640         actionBar.setCustomView(customSearchView);
 641         actionBar.setDisplayShowCustomEnabled(true);
 642
 643         // Avoid wasting space on large left inset
 644         Toolbar tb = (Toolbar)customSearchView.getParent();
 645         tb.setContentInsetsRelative(0, 0);
 646     }
 647
 648     @Override
 649     protected void onResume() {
 650         Log.d(LOG, "onResume");
 651         super.onResume();
 652         if (PreferenceActivity.prefsMightHaveChanged) {
 653             PreferenceActivity.prefsMightHaveChanged = false;
 654             finish();
 655             startActivity(getIntent());
 656         }
 657         showKeyboard();
 658     }
 659
 660     @Override
 661     protected void onPause() {
 662         super.onPause();
 663     }
 664
 665     @Override
 666     /**
 667      * Invoked when MyWebView returns, since the user might have clicked some
 668      * hypertext in the MyWebView.
 669      */
 670     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 671         super.onActivityResult(requestCode, resultCode, result);
 672         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 673             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 674             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 675         }
 676     }
 677
 678     private static void setDictionaryPrefs(final Context context, final File dictFile,
 679             final String indexShortName, final String searchToken) {
 680         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 681                 context).edit();
 682         prefs.putString(C.DICT_FILE, dictFile.getPath());
 683         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 684         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 685         prefs.commit();
 686     }
 687
 688     @Override
 689     protected void onDestroy() {
 690         super.onDestroy();
 691         if (dictRaf == null) {
 692             return;
 693         }
 694
 695         final SearchOperation searchOperation = currentSearchOperation;
 696         currentSearchOperation = null;
 697
 698         // Before we close the RAF, we have to wind the current search down.
 699         if (searchOperation != null) {
 700             Log.d(LOG, "Interrupting search to shut down.");
 701             currentSearchOperation = null;
 702             searchOperation.interrupted.set(true);
 703         }
 704
 705         try {
 706             Log.d(LOG, "Closing RAF.");
 707             dictRaf.close();
 708         } catch (IOException e) {
 709             Log.e(LOG, "Failed to close dictionary", e);
 710         }
 711         dictRaf = null;
 712     }
 713
 714     // --------------------------------------------------------------------------
 715     // Buttons
 716     // --------------------------------------------------------------------------
 717
 718     private void showKeyboard() {
 719         // For some reason, this doesn't always work the first time.
 720         // One way to replicate the problem:
 721         // Press the "task switch" button repeatedly to pause and resume
 722         for (int delay = 1; delay <= 101; delay += 100) {
 723             searchView.postDelayed(new Runnable() {
 724                 @Override
 725                 public void run() {
 726                     Log.d(LOG, "Trying to show soft keyboard.");
 727                     final boolean searchTextHadFocus = searchView.hasFocus();
 728                     searchView.requestFocusFromTouch();
 729                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 730                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 731                     if (!searchTextHadFocus) {
 732                         defocusSearchText();
 733                     }
 734                 }
 735             }, delay);
 736         }
 737     }
 738
 739     private void hideKeyboard() {
 740         Log.d(LOG, "Hide soft keyboard.");
 741         searchView.clearFocus();
 742         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 743         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 744     }
 745
 746     void updateLangButton() {
 747         final LanguageResources languageResources =
 748                 DictionaryApplication.isoCodeToResources.get(index.shortName);
 749         if (languageResources != null && languageResources.flagId != 0) {
 750             languageButton.setImageResource(languageResources.flagId);
 751         } else {
 752             if (indexIndex % 2 == 0) {
 753                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 754             } else {
 755                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 756             }
 757         }
 758         updateTTSLanguage(indexIndex);
 759     }
 760
 761     private void updateTTSLanguage(int i) {
 762         if (!ttsReady || index == null || textToSpeech == null) {
 763             Log.d(LOG, "Can't updateTTSLanguage.");
 764             return;
 765         }
 766         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 767         Log.d(LOG, "Setting TTS locale to: " + locale);
 768         try {
 769         final int ttsResult = textToSpeech.setLanguage(locale);
 770         if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 771                 ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 772             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 773         }
 774         } catch (Exception e) {
 775             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 776         }
 777     }
 778
 779     void onLanguageButtonClick() {
 780         if (dictionary.indices.size() == 1) {
 781             // No need to work to switch indices.
 782             return;
 783         }
 784         if (currentSearchOperation != null) {
 785             currentSearchOperation.interrupted.set(true);
 786             currentSearchOperation = null;
 787         }
 788         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 789                 searchView.getQuery().toString(), false);
 790     }
 791
 792     void onLanguageButtonLongClick(final Context context) {
 793         final Dialog dialog = new Dialog(context);
 794         dialog.setContentView(R.layout.select_dictionary_dialog);
 795         dialog.setTitle(R.string.selectDictionary);
 796
 797         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 798
 799         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 800         final Button button = new Button(listView.getContext());
 801         final String name = getString(R.string.dictionaryManager);
 802         button.setText(name);
 803         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 804                 DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 805             @Override
 806             protected void onGo() {
 807                 dialog.dismiss();
 808                 DictionaryActivity.this.finish();
 809             }
 810         };
 811         button.setOnClickListener(intentLauncher);
 812         listView.addHeaderView(button);
 813
 814         listView.setAdapter(new BaseAdapter() {
 815             @Override
 816             public View getView(int position, View convertView, ViewGroup parent) {
 817                 final DictionaryInfo dictionaryInfo = getItem(position);
 818
 819                 final LinearLayout result = new LinearLayout(parent.getContext());
 820
 821                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 822                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 823                     final View button = application.createButton(parent.getContext(),
 824                             dictionaryInfo, indexInfo);
 825                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 826                             getLaunchIntent(getApplicationContext(),
 827                                     application.getPath(dictionaryInfo.uncompressedFilename),
 828                                     indexInfo.shortName, searchView.getQuery().toString())) {
 829                         @Override
 830                         protected void onGo() {
 831                             dialog.dismiss();
 832                             DictionaryActivity.this.finish();
 833                         }
 834                     };
 835                     button.setOnClickListener(intentLauncher);
 836                     if (i == indexIndex && dictFile != null &&
 837                         dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 838                         button.setPressed(true);
 839                     }
 840                     result.addView(button);
 841                 }
 842
 843                 final TextView nameView = new TextView(parent.getContext());
 844                 final String name = application
 845                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 846                 nameView.setText(name);
 847                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 848                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 849                 layoutParams.width = 0;
 850                 layoutParams.weight = 1.0f;
 851                 nameView.setLayoutParams(layoutParams);
 852                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 853                 result.addView(nameView);
 854                 return result;
 855             }
 856
 857             @Override
 858             public long getItemId(int position) {
 859                 return position;
 860             }
 861
 862             @Override
 863             public DictionaryInfo getItem(int position) {
 864                 return installedDicts.get(position);
 865             }
 866
 867             @Override
 868             public int getCount() {
 869                 return installedDicts.size();
 870             }
 871         });
 872         dialog.show();
 873     }
 874
 875     void onUpDownButton(final boolean up) {
 876         if (isFiltered()) {
 877             return;
 878         }
 879         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 880         final RowBase row = index.rows.get(firstVisibleRow);
 881         final TokenRow tokenRow = row.getTokenRow(true);
 882         final int destIndexEntry;
 883         if (up) {
 884             if (row != tokenRow) {
 885                 destIndexEntry = tokenRow.referenceIndex;
 886             } else {
 887                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 888             }
 889         } else {
 890             // Down
 891             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 892         }
 893         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 894         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 895         setSearchText(dest.token, false);
 896         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 897         defocusSearchText();
 898     }
 899
 900     void onRandomWordButton() {
 901         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 902         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 903         setSearchText(dest.token, false);
 904         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 905         defocusSearchText();
 906     }
 907
 908     // --------------------------------------------------------------------------
 909     // Options Menu
 910     // --------------------------------------------------------------------------
 911
 912     final Random random = new Random();
 913
 914     @Override
 915     public boolean onCreateOptionsMenu(final Menu menu) {
 916
 917         if (PreferenceManager.getDefaultSharedPreferences(this)
 918                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 919             // Next word.
 920             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 921                     .setIcon(R.drawable.arrow_down_float);
 922             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 923             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 924                 @Override
 925                 public boolean onMenuItemClick(MenuItem item) {
 926                     onUpDownButton(false);
 927                     return true;
 928                 }
 929             });
 930
 931             // Previous word.
 932             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 933                     .setIcon(R.drawable.arrow_up_float);
 934             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 935             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 936                 @Override
 937                 public boolean onMenuItemClick(MenuItem item) {
 938                     onUpDownButton(true);
 939                     return true;
 940                 }
 941             });
 942         }
 943
 944         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 945         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 946             @Override
 947             public boolean onMenuItemClick(MenuItem item) {
 948                 onRandomWordButton();
 949                 return true;
 950             }
 951         });
 952
 953         application.onCreateGlobalOptionsMenu(this, menu);
 954
 955         {
 956             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 957             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 958             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 959                 public boolean onMenuItemClick(final MenuItem menuItem) {
 960                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 961                     finish();
 962                     return false;
 963                 }
 964             });
 965         }
 966
 967         {
 968             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 969             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 970             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 971                 public boolean onMenuItemClick(final MenuItem menuItem) {
 972                     final Context context = getListView().getContext();
 973                     final Dialog dialog = new Dialog(context);
 974                     dialog.setContentView(R.layout.about_dictionary_dialog);
 975                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 976
 977                     final String name = application.getDictionaryName(dictFile.getName());
 978                     dialog.setTitle(name);
 979
 980                     final StringBuilder builder = new StringBuilder();
 981                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 982                     dictionaryInfo.uncompressedBytes = dictFile.length();
 983                     if (dictionaryInfo != null) {
 984                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 985                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 986                                 .append("\n");
 987                         builder.append(
 988                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 989                                 .append("\n");
 990                         builder.append(
 991                                 getString(R.string.dictionaryCreationTime,
 992                                         dictionaryInfo.creationMillis)).append("\n");
 993                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 994                             builder.append("\n");
 995                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 996                                     .append("\n");
 997                             builder.append(
 998                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 999                                     .append("\n");
1000                         }
1001                         builder.append("\n");
1002                         builder.append(getString(R.string.sources)).append("\n");
1003                         for (final EntrySource source : dictionary.sources) {
1004                             builder.append(
1005                                     getString(R.string.sourceInfo, source.getName(),
1006                                             source.getNumEntries())).append("\n");
1007                         }
1008                     }
1009                     textView.setText(builder.toString());
1010
1011                     dialog.show();
1012                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
1013                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
1014                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
1015                     dialog.getWindow().setAttributes(layoutParams);
1016                     return false;
1017                 }
1018             });
1019         }
1020
1021         return true;
1022     }
1023
1024     // --------------------------------------------------------------------------
1025     // Context Menu + clicks
1026     // --------------------------------------------------------------------------
1027
1028     @Override
1029     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1030         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
1031         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
1032
1033         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
1034                 wordList.getName()));
1035         addToWordlist
1036                 .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1037                     public boolean onMenuItemClick(android.view.MenuItem item) {
1038                         onAppendToWordList(row);
1039                         return false;
1040                     }
1041                 });
1042
1043         final android.view.MenuItem share = menu.add("Share");
1044         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1045             public boolean onMenuItemClick(android.view.MenuItem item) {
1046                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
1047                 shareIntent.setType("text/plain");
1048                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
1049                         .getToken());
1050                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
1051                         row.getRawText(saveOnlyFirstSubentry));
1052                 startActivity(shareIntent);
1053                 return false;
1054             }
1055         });
1056
1057         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1058         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1059             public boolean onMenuItemClick(android.view.MenuItem item) {
1060                 onCopy(row);
1061                 return false;
1062             }
1063         });
1064
1065         if (selectedSpannableText != null) {
1066             final String selectedText = selectedSpannableText;
1067             final android.view.MenuItem searchForSelection = menu.add(getString(
1068                     R.string.searchForSelection,
1069                     selectedSpannableText));
1070             searchForSelection
1071                     .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1072                         public boolean onMenuItemClick(android.view.MenuItem item) {
1073                             jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1074                             return false;
1075                         }
1076                     });
1077             // Rats, this won't be shown:
1078             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1079         }
1080
1081         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1082             final android.view.MenuItem speak = menu.add(R.string.speak);
1083             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1084             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1085             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1086                 @Override
1087                 public boolean onMenuItemClick(android.view.MenuItem item) {
1088                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1089                             new HashMap<String, String>());
1090                     return false;
1091                 }
1092             });
1093         }
1094     }
1095
1096     private void jumpToTextFromHyperLink(
1097             final String selectedText, final int defaultIndexToUse) {
1098         int indexToUse = -1;
1099         int numFound = 0;
1100         for (int i = 0; i < dictionary.indices.size(); ++i) {
1101             final Index index = dictionary.indices.get(i);
1102             if (indexPrepFinished) {
1103                 System.out.println("Doing index lookup: on " + selectedText);
1104                 final IndexEntry indexEntry = index.findExact(selectedText);
1105                 if (indexEntry != null) {
1106                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1107                             .getTokenRow(false);
1108                     if (tokenRow != null && tokenRow.hasMainEntry) {
1109                         indexToUse = i;
1110                         ++numFound;
1111                     }
1112                 }
1113             } else {
1114                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1115             }
1116         }
1117         if (numFound != 1 || indexToUse == -1) {
1118             indexToUse = defaultIndexToUse;
1119         }
1120         // Without this extra delay, the call to jumpToRow that this
1121         // invokes doesn't always actually have any effect.
1122         final int actualIndexToUse = indexToUse;
1123         getListView().postDelayed(new Runnable() {
1124             @Override
1125             public void run() {
1126                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1127             }
1128         }, 100);
1129     }
1130
1131     /**
1132      * Called when user clicks outside of search text, so that they can start
1133      * typing again immediately.
1134      */
1135     void defocusSearchText() {
1136         // Log.d(LOG, "defocusSearchText");
1137         // Request focus so that if we start typing again, it clears the text
1138         // input.
1139         getListView().requestFocus();
1140
1141         // Visual indication that a new keystroke will clear the search text.
1142         // Doesn't seem to work unless searchText has focus.
1143         // searchView.selectAll();
1144     }
1145
1146     protected void onListItemClick(ListView l, View v, int row, long id) {
1147         defocusSearchText();
1148         if (clickOpensContextMenu && dictRaf != null) {
1149             openContextMenu(v);
1150         }
1151     }
1152
1153     @SuppressLint("SimpleDateFormat")
1154     void onAppendToWordList(final RowBase row) {
1155         defocusSearchText();
1156
1157         final StringBuilder rawText = new StringBuilder();
1158         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1159         rawText.append(index.longName).append("\t");
1160         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1161         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1162         Log.d(LOG, "Writing : " + rawText);
1163
1164         try {
1165             wordList.getParentFile().mkdirs();
1166             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1167             out.println(rawText.toString());
1168             out.close();
1169         } catch (Exception e) {
1170             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1171             Toast.makeText(this,
1172                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1173                     Toast.LENGTH_LONG).show();
1174         }
1175         return;
1176     }
1177
1178     @SuppressWarnings("deprecation")
1179     void onCopy(final RowBase row) {
1180         defocusSearchText();
1181
1182         Log.d(LOG, "Copy, row=" + row);
1183         final StringBuilder result = new StringBuilder();
1184         result.append(row.getRawText(false));
1185         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1186         clipboardManager.setText(result.toString());
1187         Log.d(LOG, "Copied: " + result);
1188     }
1189
1190     @Override
1191     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1192         if (event.getUnicodeChar() != 0) {
1193             if (!searchView.hasFocus()) {
1194                 setSearchText("" + (char) event.getUnicodeChar(), true);
1195                 searchView.requestFocus();
1196             }
1197             return true;
1198         }
1199         if (keyCode == KeyEvent.KEYCODE_BACK) {
1200             // Log.d(LOG, "Clearing dictionary prefs.");
1201             // Pretend that we just autolaunched so that we won't do it again.
1202             // DictionaryManagerActivity.lastAutoLaunchMillis =
1203             // System.currentTimeMillis();
1204         }
1205         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1206             Log.d(LOG, "Trying to hide soft keyboard.");
1207             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1208             View focus = getCurrentFocus();
1209             if (focus != null) {
1210                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1211                         InputMethodManager.HIDE_NOT_ALWAYS);
1212             }
1213             return true;
1214         }
1215         return super.onKeyDown(keyCode, event);
1216     }
1217
1218     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1219         Log.d(LOG, "Changing index to: " + newIndex);
1220         if (newIndex == -1) {
1221             Log.e(LOG, "Invalid index.");
1222             newIndex = 0;
1223         }
1224         if (newIndex != indexIndex) {
1225             indexIndex = newIndex;
1226             index = dictionary.indices.get(indexIndex);
1227             indexAdapter = new IndexAdapter(index);
1228             setListAdapter(indexAdapter);
1229             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1230             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1231             updateLangButton();
1232         }
1233         setSearchText(newSearchText, true, hideKeyboard);
1234     }
1235
1236     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1237         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1238         // Disable the listener, because sometimes it doesn't work.
1239         searchView.setOnQueryTextListener(null);
1240         searchView.setQuery(text, false);
1241         moveCursorToRight();
1242         searchView.setOnQueryTextListener(onQueryTextListener);
1243
1244         if (triggerSearch) {
1245             onSearchTextChange(text);
1246         }
1247
1248         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1249         if (hideKeyboard) {
1250             hideKeyboard();
1251         }
1252     }
1253
1254     private void setSearchText(final String text, final boolean triggerSearch) {
1255         setSearchText(text, triggerSearch, true);
1256     }
1257
1258     // private long cursorDelayMillis = 100;
1259     private void moveCursorToRight() {
1260         // if (searchText.getLayout() != null) {
1261         // cursorDelayMillis = 100;
1262         // // Surprising, but this can crash when you rotate...
1263         // Selection.moveToRightEdge(searchView.getQuery(),
1264         // searchText.getLayout());
1265         // } else {
1266         // uiHandler.postDelayed(new Runnable() {
1267         // @Override
1268         // public void run() {
1269         // moveCursorToRight();
1270         // }
1271         // }, cursorDelayMillis);
1272         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1273         // }
1274     }
1275
1276     // --------------------------------------------------------------------------
1277     // SearchOperation
1278     // --------------------------------------------------------------------------
1279
1280     private void searchFinished(final SearchOperation searchOperation) {
1281         if (searchOperation.interrupted.get()) {
1282             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1283             return;
1284         }
1285         if (searchOperation != this.currentSearchOperation) {
1286             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1287             return;
1288         }
1289
1290         final Index.IndexEntry searchResult = searchOperation.searchResult;
1291         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1292
1293         currentSearchOperation = null;
1294         uiHandler.postDelayed(new Runnable() {
1295             @Override
1296             public void run() {
1297                 if (currentSearchOperation == null) {
1298                     if (searchResult != null) {
1299                         if (isFiltered()) {
1300                             clearFiltered();
1301                         }
1302                         jumpToRow(searchResult.startRow);
1303                     } else if (searchOperation.multiWordSearchResult != null) {
1304                         // Multi-row search....
1305                         setFiltered(searchOperation);
1306                     } else {
1307                         throw new IllegalStateException("This should never happen.");
1308                     }
1309                 } else {
1310                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1311                 }
1312             }
1313         }, 20);
1314     }
1315
1316     private final void jumpToRow(final int row) {
1317         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1318         // getListView().requestFocusFromTouch();
1319         getListView().setSelectionFromTop(row, 0);
1320         getListView().setSelected(true);
1321     }
1322
1323     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1324
1325     final class SearchOperation implements Runnable {
1326
1327         final AtomicBoolean interrupted = new AtomicBoolean(false);
1328
1329         final String searchText;
1330
1331         List<String> searchTokens; // filled in for multiWord.
1332
1333         final Index index;
1334
1335         long searchStartMillis;
1336
1337         Index.IndexEntry searchResult;
1338
1339         List<RowBase> multiWordSearchResult;
1340
1341         boolean done = false;
1342
1343         SearchOperation(final String searchText, final Index index) {
1344             this.searchText = StringUtil.normalizeWhitespace(searchText);
1345             this.index = index;
1346         }
1347
1348         public String toString() {
1349             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1350         }
1351
1352         @Override
1353         public void run() {
1354             try {
1355                 searchStartMillis = System.currentTimeMillis();
1356                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1357                 if (searchTokenArray.length == 1) {
1358                     searchResult = index.findInsertionPoint(searchText, interrupted);
1359                 } else {
1360                     searchTokens = Arrays.asList(searchTokenArray);
1361                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1362                             interrupted);
1363                 }
1364                 Log.d(LOG,
1365                         "searchText=" + searchText + ", searchDuration="
1366                                 + (System.currentTimeMillis() - searchStartMillis)
1367                                 + ", interrupted=" + interrupted.get());
1368                 if (!interrupted.get()) {
1369                     uiHandler.post(new Runnable() {
1370                         @Override
1371                         public void run() {
1372                             searchFinished(SearchOperation.this);
1373                         }
1374                     });
1375                 } else {
1376                     Log.d(LOG, "interrupted, skipping searchFinished.");
1377                 }
1378             } catch (Exception e) {
1379                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1380             } finally {
1381                 synchronized (this) {
1382                     done = true;
1383                     this.notifyAll();
1384                 }
1385             }
1386         }
1387     }
1388
1389     // --------------------------------------------------------------------------
1390     // IndexAdapter
1391     // --------------------------------------------------------------------------
1392
1393     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1394             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1395
1396     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1397             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1398
1399     final class IndexAdapter extends BaseAdapter {
1400
1401         private static final float PADDING_DEFAULT_DP = 8;
1402
1403         private static final float PADDING_LARGE_DP = 16;
1404
1405         final Index index;
1406
1407         final List<RowBase> rows;
1408
1409         final Set<String> toHighlight;
1410
1411         private int mPaddingDefault;
1412
1413         private int mPaddingLarge;
1414
1415         IndexAdapter(final Index index) {
1416             this.index = index;
1417             rows = index.rows;
1418             this.toHighlight = null;
1419             getMetrics();
1420         }
1421
1422         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1423             this.index = index;
1424             this.rows = rows;
1425             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1426             getMetrics();
1427         }
1428
1429         private void getMetrics() {
1430             // Get the screen's density scale
1431             final float scale = getResources().getDisplayMetrics().density;
1432             // Convert the dps to pixels, based on density scale
1433             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1434             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1435         }
1436
1437         @Override
1438         public int getCount() {
1439             return rows.size();
1440         }
1441
1442         @Override
1443         public RowBase getItem(int position) {
1444             return rows.get(position);
1445         }
1446
1447         @Override
1448         public long getItemId(int position) {
1449             return getItem(position).index();
1450         }
1451
1452         @Override
1453         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1454             final TableLayout result;
1455             if (convertView instanceof TableLayout) {
1456                 result = (TableLayout) convertView;
1457                 result.removeAllViews();
1458             } else {
1459                 result = new TableLayout(parent.getContext());
1460             }
1461             final RowBase row = getItem(position);
1462             if (row instanceof PairEntry.Row) {
1463                 return getView(position, (PairEntry.Row) row, parent, result);
1464             } else if (row instanceof TokenRow) {
1465                 return getView((TokenRow) row, parent, result);
1466             } else if (row instanceof HtmlEntry.Row) {
1467                 return getView((HtmlEntry.Row) row, parent, result);
1468             } else {
1469                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1470             }
1471         }
1472
1473         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1474                 final TableLayout result) {
1475             final PairEntry entry = row.getEntry();
1476             final int rowCount = entry.pairs.size();
1477
1478             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1479             layoutParams.weight = 0.5f;
1480             layoutParams.leftMargin = mPaddingLarge;
1481
1482             for (int r = 0; r < rowCount; ++r) {
1483                 final TableRow tableRow = new TableRow(result.getContext());
1484
1485                 final TextView col1 = new TextView(tableRow.getContext());
1486                 final TextView col2 = new TextView(tableRow.getContext());
1487                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB)
1488                 {
1489                     col1.setTextIsSelectable(true);
1490                     col2.setTextIsSelectable(true);
1491                 }
1492
1493                 // Set the columns in the table.
1494                 if (r > 0) {
1495                     final TextView bullet = new TextView(tableRow.getContext());
1496                     bullet.setText(" • ");
1497                     tableRow.addView(bullet);
1498                 }
1499                 tableRow.addView(col1, layoutParams);
1500                 final TextView margin = new TextView(tableRow.getContext());
1501                 margin.setText(" ");
1502                 tableRow.addView(margin);
1503                 if (r > 0) {
1504                     final TextView bullet = new TextView(tableRow.getContext());
1505                     bullet.setText(" • ");
1506                     tableRow.addView(bullet);
1507                 }
1508                 tableRow.addView(col2, layoutParams);
1509                 col1.setWidth(1);
1510                 col2.setWidth(1);
1511
1512                 // Set what's in the columns.
1513
1514                 final Pair pair = entry.pairs.get(r);
1515                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1516                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1517
1518                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1519                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1520
1521                 // Bold the token instances in col1.
1522                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1523                         .singleton(row.getTokenRow(true).getToken());
1524                 final Spannable col1Spannable = (Spannable) col1.getText();
1525                 for (final String token : toBold) {
1526                     int startPos = 0;
1527                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1528                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1529                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1530                         startPos += token.length();
1531                     }
1532                 }
1533
1534                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1535                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1536
1537                 col1.setTypeface(typeface);
1538                 col2.setTypeface(typeface);
1539                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1540                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1541                 // col2.setBackgroundResource(theme.otherLangBg);
1542
1543                 if (index.swapPairEntries) {
1544                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1545                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1546                 } else {
1547                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1548                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1549                 }
1550
1551                 result.addView(tableRow);
1552             }
1553
1554             // Because we have a Button inside a ListView row:
1555             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1556             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1557             result.setClickable(true);
1558             result.setFocusable(true);
1559             result.setLongClickable(true);
1560 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1561
1562             result.setBackgroundResource(theme.normalRowBg);
1563
1564             result.setOnClickListener(new TextView.OnClickListener() {
1565                 @Override
1566                 public void onClick(View v) {
1567                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1568                 }
1569             });
1570
1571             return result;
1572         }
1573
1574         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1575                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1576                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1577             final Context context = parent.getContext();
1578
1579             final TableRow tableRow = new TableRow(result.getContext());
1580             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1581                     : theme.tokenRowOtherBg);
1582             if (isTokenRow) {
1583                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1584             } else {
1585                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1586             }
1587             result.addView(tableRow);
1588
1589             // Make it so we can long-click on these token rows, too:
1590             final TextView textView = new TextView(context);
1591             textView.setText(text, BufferType.SPANNABLE);
1592             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1593             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1594             result.setLongClickable(true);
1595
1596             // Doesn't work:
1597             // textView.setTextColor(android.R.color.secondary_text_light);
1598             textView.setTypeface(typeface);
1599             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1600             if (isTokenRow) {
1601                 textView.setTextAppearance(context, theme.tokenRowFg);
1602                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1603             } else {
1604                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1605             }
1606             lp.weight = 1.0f;
1607
1608             textView.setLayoutParams(lp);
1609             tableRow.addView(textView);
1610
1611             if (!htmlEntries.isEmpty()) {
1612                 final ClickableSpan clickableSpan = new ClickableSpan() {
1613                     @Override
1614                     public void onClick(View widget) {
1615                     }
1616                 };
1617                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1618                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1619                 result.setClickable(true);
1620                 textView.setClickable(true);
1621                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1622                 textView.setOnClickListener(new OnClickListener() {
1623                     @Override
1624                     public void onClick(View v) {
1625                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1626                         // Log.d(LOG, "html=" + html);
1627                         startActivityForResult(
1628                                 HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1629                                         "<html><head></head><body>%s</body></html>", html),
1630                                         htmlTextToHighlight, false),
1631                                 0);
1632                     }
1633                 });
1634             }
1635             return result;
1636         }
1637
1638         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1639             final IndexEntry indexEntry = row.getIndexEntry();
1640             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1641                     indexEntry.htmlEntries, null, parent, result);
1642         }
1643
1644         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1645             final HtmlEntry htmlEntry = row.getEntry();
1646             final TokenRow tokenRow = row.getTokenRow(true);
1647             return getPossibleLinkToHtmlEntryView(false,
1648                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1649                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1650                     result);
1651         }
1652
1653     }
1654
1655     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1656
1657     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1658             final String text) {
1659         // Saw from the source code that LinkMovementMethod sets the selection!
1660         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1661         textView.setMovementMethod(LinkMovementMethod.getInstance());
1662         final Matcher matcher = CHAR_DASH.matcher(text);
1663         while (matcher.find()) {
1664             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1665                     matcher.end(),
1666                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1667         }
1668     }
1669
1670     String selectedSpannableText = null;
1671
1672     int selectedSpannableIndex = -1;
1673
1674     @Override
1675     public boolean onTouchEvent(MotionEvent event) {
1676         selectedSpannableText = null;
1677         selectedSpannableIndex = -1;
1678         return super.onTouchEvent(event);
1679     }
1680
1681     private class TextViewLongClickListener implements OnLongClickListener {
1682         final int index;
1683
1684         private TextViewLongClickListener(final int index) {
1685             this.index = index;
1686         }
1687
1688         @Override
1689         public boolean onLongClick(final View v) {
1690             final TextView textView = (TextView) v;
1691             final int start = textView.getSelectionStart();
1692             final int end = textView.getSelectionEnd();
1693             if (start >= 0 && end >= 0) {
1694                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1695                 selectedSpannableIndex = index;
1696             }
1697             return false;
1698         }
1699     }
1700
1701     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1702             0);
1703
1704     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1705             1);
1706
1707     // --------------------------------------------------------------------------
1708     // SearchText
1709     // --------------------------------------------------------------------------
1710
1711     void onSearchTextChange(final String text) {
1712         if ("thadolina".equals(text)) {
1713             final Dialog dialog = new Dialog(getListView().getContext());
1714             dialog.setContentView(R.layout.thadolina_dialog);
1715             dialog.setTitle("Ti amo, amore mio!");
1716             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1717             imageView.setOnClickListener(new OnClickListener() {
1718                 @Override
1719                 public void onClick(View v) {
1720                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1721                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1722                     startActivity(intent);
1723                 }
1724             });
1725             dialog.show();
1726         }
1727         if (dictRaf == null) {
1728             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1729             return;
1730         }
1731
1732         // if (!searchView.hasFocus()) {
1733         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1734         // return;
1735         // }
1736         Log.d(LOG, "onSearchTextChange: " + text);
1737         if (currentSearchOperation != null) {
1738             Log.d(LOG, "Interrupting currentSearchOperation.");
1739             currentSearchOperation.interrupted.set(true);
1740         }
1741         currentSearchOperation = new SearchOperation(text, index);
1742         searchExecutor.execute(currentSearchOperation);
1743         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1744     }
1745
1746     // --------------------------------------------------------------------------
1747     // Filtered results.
1748     // --------------------------------------------------------------------------
1749
1750     boolean isFiltered() {
1751         return rowsToShow != null;
1752     }
1753
1754     void setFiltered(final SearchOperation searchOperation) {
1755         if (nextWordMenuItem != null) {
1756             nextWordMenuItem.setEnabled(false);
1757             previousWordMenuItem.setEnabled(false);
1758         }
1759         rowsToShow = searchOperation.multiWordSearchResult;
1760         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1761     }
1762
1763     void clearFiltered() {
1764         if (nextWordMenuItem != null) {
1765             nextWordMenuItem.setEnabled(true);
1766             previousWordMenuItem.setEnabled(true);
1767         }
1768         setListAdapter(new IndexAdapter(index));
1769         rowsToShow = null;
1770     }
1771
1772 }