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