src/com/hughes/android/dictionary/DictionaryActivity.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2 // Some Parts Copyright 2013 Dominik Köppl
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 package com.hughes.android.dictionary;
  16
  17 import android.annotation.SuppressLint;
  18 import android.app.Dialog;
  19 import android.app.SearchManager;
  20 import android.content.Context;
  21 import android.content.Intent;
  22 import android.content.SharedPreferences;
  23 import android.graphics.Color;
  24 import android.graphics.Typeface;
  25 import android.net.Uri;
  26 import android.os.Bundle;
  27 import android.os.Handler;
  28 import android.preference.PreferenceManager;
  29 import android.speech.tts.TextToSpeech;
  30 import android.speech.tts.TextToSpeech.OnInitListener;
  31 import android.support.design.widget.FloatingActionButton;
  32 import android.support.v4.view.MenuItemCompat;
  33 import android.support.v7.app.ActionBar;
  34 import android.support.v7.app.ActionBarActivity;
  35 import android.support.v7.widget.SearchView;
  36 import android.support.v7.widget.SearchView.OnQueryTextListener;
  37 import android.support.v7.widget.Toolbar;
  38 import android.text.ClipboardManager;
  39 import android.text.InputType;
  40 import android.text.Spannable;
  41 import android.text.method.LinkMovementMethod;
  42 import android.text.style.ClickableSpan;
  43 import android.text.style.StyleSpan;
  44 import android.util.Log;
  45 import android.util.TypedValue;
  46 import android.view.ContextMenu;
  47 import android.view.ContextMenu.ContextMenuInfo;
  48 import android.view.Gravity;
  49 import android.view.KeyEvent;
  50 import android.view.Menu;
  51 import android.view.MenuItem;
  52 import android.view.MenuItem.OnMenuItemClickListener;
  53 import android.view.MotionEvent;
  54 import android.view.View;
  55 import android.view.View.OnClickListener;
  56 import android.view.View.OnLongClickListener;
  57 import android.view.ViewGroup;
  58 import android.view.WindowManager;
  59 import android.view.inputmethod.EditorInfo;
  60 import android.view.inputmethod.InputMethodManager;
  61 import android.widget.AdapterView;
  62 import android.widget.AdapterView.AdapterContextMenuInfo;
  63 import android.widget.AdapterView.OnItemClickListener;
  64 import android.widget.BaseAdapter;
  65 import android.widget.Button;
  66 import android.widget.FrameLayout;
  67 import android.widget.ImageButton;
  68 import android.widget.ImageView;
  69 import android.widget.ImageView.ScaleType;
  70 import android.widget.LinearLayout;
  71 import android.widget.ListAdapter;
  72 import android.widget.ListView;
  73 import android.widget.TableLayout;
  74 import android.widget.TableRow;
  75 import android.widget.TextView;
  76 import android.widget.TextView.BufferType;
  77 import android.widget.Toast;
  78
  79 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  80 import com.hughes.android.dictionary.engine.Dictionary;
  81 import com.hughes.android.dictionary.engine.EntrySource;
  82 import com.hughes.android.dictionary.engine.HtmlEntry;
  83 import com.hughes.android.dictionary.engine.Index;
  84 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  85 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  86 import com.hughes.android.dictionary.engine.PairEntry;
  87 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  88 import com.hughes.android.dictionary.engine.RowBase;
  89 import com.hughes.android.dictionary.engine.TokenRow;
  90 import com.hughes.android.dictionary.engine.TransliteratorManager;
  91 import com.hughes.android.util.IntentLauncher;
  92 import com.hughes.android.util.NonLinkClickableSpan;
  93 import com.hughes.util.StringUtil;
  94
  95 import java.io.File;
  96 import java.io.FileWriter;
  97 import java.io.IOException;
  98 import java.io.PrintWriter;
  99 import java.io.RandomAccessFile;
 100 import java.text.SimpleDateFormat;
 101 import java.util.Arrays;
 102 import java.util.Collections;
 103 import java.util.Date;
 104 import java.util.HashMap;
 105 import java.util.LinkedHashSet;
 106 import java.util.List;
 107 import java.util.Locale;
 108 import java.util.Random;
 109 import java.util.Set;
 110 import java.util.concurrent.Executor;
 111 import java.util.concurrent.Executors;
 112 import java.util.concurrent.ThreadFactory;
 113 import java.util.concurrent.atomic.AtomicBoolean;
 114 import java.util.regex.Matcher;
 115 import java.util.regex.Pattern;
 116
 117 public class DictionaryActivity extends ActionBarActivity {
 118
 119     static final String LOG = "QuickDic";
 120
 121     DictionaryApplication application;
 122
 123     File dictFile = null;
 124     RandomAccessFile dictRaf = null;
 125
 126     Dictionary dictionary = null;
 127
 128     int indexIndex = 0;
 129
 130     Index index = null;
 131
 132     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 133
 134     final Random rand = new Random();
 135
 136     final Handler uiHandler = new Handler();
 137
 138     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 139         @Override
 140         public Thread newThread(Runnable r) {
 141             return new Thread(r, "searchExecutor");
 142         }
 143     });
 144
 145     private SearchOperation currentSearchOperation = null;
 146
 147     TextToSpeech textToSpeech;
 148     volatile boolean ttsReady;
 149
 150     Typeface typeface;
 151     DictionaryApplication.Theme theme = DictionaryApplication.Theme.LIGHT;
 152     int textColorFg = Color.BLACK;
 153     int fontSizeSp;
 154
 155     private ListView listView;
 156     private ListView getListView() {
 157         if (listView == null) {
 158             listView = (ListView)findViewById(android.R.id.list);
 159         }
 160         return listView;
 161     }
 162
 163     private void setListAdapter(ListAdapter adapter) {
 164         getListView().setAdapter(adapter);
 165     }
 166
 167     private ListAdapter getListAdapter() {
 168         return getListView().getAdapter();
 169     }
 170
 171     SearchView searchView;
 172     ImageButton languageButton;
 173     SearchView.OnQueryTextListener onQueryTextListener;
 174
 175     MenuItem nextWordMenuItem, previousWordMenuItem, randomWordMenuItem;
 176
 177     // Never null.
 178     private File wordList = null;
 179     private boolean saveOnlyFirstSubentry = false;
 180     private boolean clickOpensContextMenu = false;
 181
 182     // Visible for testing.
 183     ListAdapter indexAdapter = null;
 184
 185     /**
 186      * For some languages, loading the transliterators used in this search takes
 187      * a long time, so we fire it up on a different thread, and don't invoke it
 188      * from the main thread until it's already finished once.
 189      */
 190     private volatile boolean indexPrepFinished = false;
 191
 192     public DictionaryActivity() {
 193     }
 194
 195     public static Intent getLaunchIntent(Context c, final File dictFile, final String indexShortName,
 196             final String searchToken) {
 197         final Intent intent = new Intent(c, DictionaryActivity.class);
 198         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 199         intent.putExtra(C.INDEX_SHORT_NAME, indexShortName);
 200         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 201         return intent;
 202     }
 203
 204     @Override
 205     protected void onSaveInstanceState(final Bundle outState) {
 206         super.onSaveInstanceState(outState);
 207         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 208         outState.putString(C.INDEX_SHORT_NAME, index.shortName);
 209         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 210     }
 211
 212     @Override
 213     public void onCreate(Bundle savedInstanceState) {
 214         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 215         // doesn't makes the background of the actionbar white when you're
 216         // in the dark theme.
 217         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 218
 219         Log.d(LOG, "onCreate:" + this);
 220         super.onCreate(savedInstanceState);
 221
 222         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 223
 224         // Don't auto-launch if this fails.
 225         prefs.edit().remove(C.DICT_FILE).commit();
 226
 227         setContentView(R.layout.dictionary_activity);
 228
 229         application = (DictionaryApplication) getApplication();
 230         theme = application.getSelectedTheme();
 231         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 232
 233         final Intent intent = getIntent();
 234         String intentAction = intent.getAction();
 235         /**
 236          * @author Dominik Köppl Querying the Intent
 237          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 238          *         Arguments: SearchManager.QUERY -> the phrase to search from
 239          *         -> language in which the phrase is written to -> to which
 240          *         language shall be translated
 241          */
 242         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT"))
 243         {
 244             String query = intent.getStringExtra(SearchManager.QUERY);
 245             String from = intent.getStringExtra("from");
 246             if (from != null)
 247                 from = from.toLowerCase(Locale.US);
 248             String to = intent.getStringExtra("to");
 249             if (to != null)
 250                 to = to.toLowerCase(Locale.US);
 251             if (query != null)
 252             {
 253                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 254             }
 255             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null))
 256             {
 257                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 258                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 259                 for (DictionaryInfo info : dicts)
 260                 {
 261                     boolean hasFrom = from == null;
 262                     boolean hasTo = to == null;
 263                     for (IndexInfo index : info.indexInfos)
 264                     {
 265                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 266                             hasFrom = true;
 267                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 268                             hasTo = true;
 269                     }
 270                     if (hasFrom && hasTo)
 271                     {
 272                         if (from != null)
 273                         {
 274                             int which_index = 0;
 275                             for (; which_index < info.indexInfos.size(); ++which_index)
 276                             {
 277                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 278                                         Locale.US).equals(from))
 279                                     break;
 280                             }
 281                             intent.putExtra(C.INDEX_SHORT_NAME,
 282                                     info.indexInfos.get(which_index).shortName);
 283
 284                         }
 285                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 286                                 .toString());
 287                         break;
 288                     }
 289                 }
 290
 291             }
 292         }
 293         /**
 294          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 295          *         simple query Arguments follow from android standard (see
 296          *         documentation)
 297          */
 298         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH))
 299         {
 300             String query = intent.getStringExtra(SearchManager.QUERY);
 301             if (query != null)
 302                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 303         }
 304         if (intentAction != null && intentAction.equals(Intent.ACTION_SEND))
 305         {
 306             String query = intent.getStringExtra(Intent.EXTRA_TEXT);
 307             if (query != null)
 308                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 309         }
 310         /*
 311          * This processes text on M+ devices where QuickDic shows up in the context menu.
 312          */
 313         if (intentAction != null && intentAction.equals(Intent.ACTION_PROCESS_TEXT)) {
 314             String query = intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT);
 315             if (query != null) {
 316                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 317             }
 318         }
 319         /**
 320          * @author Dominik Köppl If no dictionary is chosen, use the default
 321          *         dictionary specified in the preferences If this step does
 322          *         fail (no default directory specified), show a toast and
 323          *         abort.
 324          */
 325         if (intent.getStringExtra(C.DICT_FILE) == null)
 326         {
 327             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 328             if (dictfile != null)
 329                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 330         }
 331         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 332
 333         if (dictFilename == null)
 334         {
 335             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 336             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 337             finish();
 338             return;
 339         }
 340         if (dictFilename != null)
 341             dictFile = new File(dictFilename);
 342
 343         ttsReady = false;
 344         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 345             @Override
 346             public void onInit(int status) {
 347                 ttsReady = true;
 348                 updateTTSLanguage(indexIndex);
 349             }
 350         });
 351
 352         try {
 353             final String name = application.getDictionaryName(dictFile.getName());
 354             this.setTitle("QuickDic: " + name);
 355             dictRaf = new RandomAccessFile(dictFile, "r");
 356             dictionary = new Dictionary(dictRaf);
 357         } catch (Exception e) {
 358             Log.e(LOG, "Unable to load dictionary.", e);
 359             if (dictRaf != null) {
 360                 try {
 361                     dictRaf.close();
 362                 } catch (IOException e1) {
 363                     Log.e(LOG, "Unable to close dictRaf.", e1);
 364                 }
 365                 dictRaf = null;
 366             }
 367             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 368                     Toast.LENGTH_LONG).show();
 369             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 370             finish();
 371             return;
 372         }
 373         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 374         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 375             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 376         }
 377         indexIndex = 0;
 378         for (int i = 0; i < dictionary.indices.size(); ++i) {
 379             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 380                 indexIndex = i;
 381                 break;
 382             }
 383         }
 384         Log.d(LOG, "Loading index " + indexIndex);
 385         index = dictionary.indices.get(indexIndex);
 386         getListView().setEmptyView(findViewById(android.R.id.empty));
 387         setListAdapter(new IndexAdapter(index));
 388
 389         // Pre-load the collators.
 390         new Thread(new Runnable() {
 391             public void run() {
 392                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
 393                 final long startMillis = System.currentTimeMillis();
 394                 try {
 395                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 396                         @Override
 397                         public void onTransliteratorReady() {
 398                             uiHandler.post(new Runnable() {
 399                                 @Override
 400                                 public void run() {
 401                                     onSearchTextChange(searchView.getQuery().toString());
 402                                 }
 403                             });
 404                         }
 405                     });
 406
 407                     for (final Index index : dictionary.indices) {
 408                         final String searchToken = index.sortedIndexEntries.get(0).token;
 409                         final IndexEntry entry = index.findExact(searchToken);
 410                         if (entry == null || !searchToken.equals(entry.token)) {
 411                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 412                         }
 413                     }
 414                     indexPrepFinished = true;
 415                 } catch (Exception e) {
 416                     Log.w(LOG,
 417                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 418                 }
 419                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 420             }
 421         }).start();
 422
 423         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 424         if ("SYSTEM".equals(fontName)) {
 425             typeface = Typeface.DEFAULT;
 426         } else if ("SERIF".equals(fontName)) {
 427             typeface = Typeface.SERIF;
 428         } else if ("SANS_SERIF".equals(fontName)) {
 429             typeface = Typeface.SANS_SERIF;
 430         } else if ("MONOSPACE".equals(fontName)) {
 431             typeface = Typeface.MONOSPACE;
 432         } else {
 433             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 434                 fontName = "FreeSerif.otf.jpg";
 435             }
 436             try {
 437                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 438             } catch (Exception e) {
 439                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 440                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 441                         Toast.LENGTH_LONG).show();
 442             }
 443         }
 444         if (typeface == null) {
 445             Log.w(LOG, "Unable to create typeface, using default.");
 446             typeface = Typeface.DEFAULT;
 447         }
 448         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 449         try {
 450             fontSizeSp = Integer.parseInt(fontSize.trim());
 451         } catch (NumberFormatException e) {
 452             fontSizeSp = 14;
 453         }
 454
 455         // ContextMenu.
 456         registerForContextMenu(getListView());
 457
 458         // Cache some prefs.
 459         wordList = application.getWordListFile();
 460         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 461                 false);
 462         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 463                 false);
 464         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 465
 466         onCreateSetupActionBarAndSearchView();
 467
 468         View floatSwapButton = findViewById(R.id.floatSwapButton);
 469         floatSwapButton.setOnClickListener(new OnClickListener() {
 470             @Override
 471             public void onClick(View arg0) {
 472                 onLanguageButtonClick();
 473             }
 474         });
 475         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 476             @Override
 477             public boolean onLongClick(View v) {
 478                 onLanguageButtonLongClick(v.getContext());
 479                 return true;
 480             }
 481         });
 482
 483         final FloatingActionButton floatSearchButton = (FloatingActionButton)findViewById(R.id.floatSearchButton);
 484         floatSearchButton.setOnClickListener(new OnClickListener() {
 485             @Override
 486             public void onClick(View arg0) {
 487                 if (!searchView.hasFocus()) {
 488                     searchView.requestFocus();
 489                 }
 490                 if (searchView.getQuery().toString().length() > 0) {
 491                     searchView.setQuery("", false);
 492                 }
 493                 showKeyboard();
 494                 searchView.setIconified(false);
 495             }
 496         });
 497
 498         // Set the search text from the intent, then the saved state.
 499         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 500         if (savedInstanceState != null) {
 501             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 502         }
 503         if (text == null) {
 504             text = "";
 505         }
 506         setSearchText(text, true);
 507         Log.d(LOG, "Trying to restore searchText=" + text);
 508
 509         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 510
 511         updateLangButton();
 512         searchView.requestFocus();
 513
 514         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 515 //        getListView().setCacheColorHint(0);
 516     }
 517
 518     private void onCreateSetupActionBarAndSearchView() {
 519         ActionBar actionBar = getSupportActionBar();
 520         actionBar.setDisplayShowTitleEnabled(false);
 521         actionBar.setDisplayShowHomeEnabled(false);
 522         actionBar.setDisplayHomeAsUpEnabled(false);
 523
 524         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 525
 526         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 527                 ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 528         customSearchView.setLayoutParams(layoutParams);
 529
 530         listView.setOnItemClickListener(new OnItemClickListener() {
 531             @Override
 532             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 533                 onListItemClick(getListView(), view, row, id);
 534             }
 535         });
 536
 537         languageButton = new ImageButton(customSearchView.getContext());
 538         languageButton.setScaleType(ScaleType.FIT_CENTER);
 539         languageButton.setOnClickListener(new OnClickListener() {
 540             @Override
 541             public void onClick(View v) {
 542                 onLanguageButtonLongClick(v.getContext());
 543             }
 544         });
 545         languageButton.setAdjustViewBounds(true);
 546         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 547         customSearchView.addView(languageButton, lpb);
 548
 549         searchView = new SearchView(getSupportActionBar().getThemedContext());
 550
 551         // Get rid of search icon, it takes up too much space.
 552         // There is still text saying "search" in the search field.
 553         searchView.setIconifiedByDefault(true);
 554         searchView.setIconified(false);
 555
 556         searchView.setQueryHint(getString(R.string.searchText));
 557         searchView.setSubmitButtonEnabled(false);
 558         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 559         searchView.setImeOptions(
 560                 EditorInfo.IME_ACTION_DONE |
 561                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 562                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 563                         // 11
 564                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 565         onQueryTextListener = new OnQueryTextListener() {
 566             @Override
 567             public boolean onQueryTextSubmit(String query) {
 568                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 569                 hideKeyboard();
 570                 return true;
 571             }
 572
 573             @Override
 574             public boolean onQueryTextChange(String newText) {
 575                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 576                 onSearchTextChange(searchView.getQuery().toString());
 577                 return true;
 578             }
 579         };
 580         searchView.setOnQueryTextListener(onQueryTextListener);
 581         searchView.setFocusable(true);
 582         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 583                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 584         customSearchView.addView(searchView, lp);
 585
 586         actionBar.setCustomView(customSearchView);
 587         actionBar.setDisplayShowCustomEnabled(true);
 588
 589         // Avoid wasting space on large left inset
 590         Toolbar tb = (Toolbar)customSearchView.getParent();
 591         tb.setContentInsetsRelative(0, 0);
 592     }
 593
 594     @Override
 595     protected void onResume() {
 596         Log.d(LOG, "onResume");
 597         super.onResume();
 598         if (PreferenceActivity.prefsMightHaveChanged) {
 599             PreferenceActivity.prefsMightHaveChanged = false;
 600             finish();
 601             startActivity(getIntent());
 602         }
 603         showKeyboard();
 604     }
 605
 606     @Override
 607     protected void onPause() {
 608         super.onPause();
 609     }
 610
 611     @Override
 612     /**
 613      * Invoked when MyWebView returns, since the user might have clicked some
 614      * hypertext in the MyWebView.
 615      */
 616     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 617         super.onActivityResult(requestCode, resultCode, result);
 618         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 619             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 620             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 621         }
 622     }
 623
 624     private static void setDictionaryPrefs(final Context context, final File dictFile,
 625             final String indexShortName, final String searchToken) {
 626         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 627                 context).edit();
 628         prefs.putString(C.DICT_FILE, dictFile.getPath());
 629         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 630         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 631         prefs.commit();
 632     }
 633
 634     @Override
 635     protected void onDestroy() {
 636         super.onDestroy();
 637         if (dictRaf == null) {
 638             return;
 639         }
 640
 641         final SearchOperation searchOperation = currentSearchOperation;
 642         currentSearchOperation = null;
 643
 644         // Before we close the RAF, we have to wind the current search down.
 645         if (searchOperation != null) {
 646             Log.d(LOG, "Interrupting search to shut down.");
 647             currentSearchOperation = null;
 648             searchOperation.interrupted.set(true);
 649         }
 650
 651         try {
 652             Log.d(LOG, "Closing RAF.");
 653             dictRaf.close();
 654         } catch (IOException e) {
 655             Log.e(LOG, "Failed to close dictionary", e);
 656         }
 657         dictRaf = null;
 658     }
 659
 660     // --------------------------------------------------------------------------
 661     // Buttons
 662     // --------------------------------------------------------------------------
 663
 664     private void showKeyboard() {
 665         // For some reason, this doesn't always work the first time.
 666         // One way to replicate the problem:
 667         // Press the "task switch" button repeatedly to pause and resume
 668         for (int delay = 1; delay <= 101; delay += 100) {
 669             searchView.postDelayed(new Runnable() {
 670                 @Override
 671                 public void run() {
 672                     Log.d(LOG, "Trying to show soft keyboard.");
 673                     final boolean searchTextHadFocus = searchView.hasFocus();
 674                     searchView.requestFocusFromTouch();
 675                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 676                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 677                     if (!searchTextHadFocus) {
 678                         defocusSearchText();
 679                     }
 680                 }
 681             }, delay);
 682         }
 683     }
 684
 685     private void hideKeyboard() {
 686         Log.d(LOG, "Hide soft keyboard.");
 687         searchView.clearFocus();
 688         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 689         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 690     }
 691
 692     void updateLangButton() {
 693         final LanguageResources languageResources =
 694                 DictionaryApplication.isoCodeToResources.get(index.shortName);
 695         if (languageResources != null && languageResources.flagId != 0) {
 696             languageButton.setImageResource(languageResources.flagId);
 697         } else {
 698             if (indexIndex % 2 == 0) {
 699                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 700             } else {
 701                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 702             }
 703         }
 704         updateTTSLanguage(indexIndex);
 705     }
 706
 707     private void updateTTSLanguage(int i) {
 708         if (!ttsReady || index == null || textToSpeech == null) {
 709             Log.d(LOG, "Can't updateTTSLanguage.");
 710             return;
 711         }
 712         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 713         Log.d(LOG, "Setting TTS locale to: " + locale);
 714         try {
 715         final int ttsResult = textToSpeech.setLanguage(locale);
 716         if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 717                 ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 718             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 719         }
 720         } catch (Exception e) {
 721             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 722         }
 723     }
 724
 725     void onLanguageButtonClick() {
 726         if (dictionary.indices.size() == 1) {
 727             // No need to work to switch indices.
 728             return;
 729         }
 730         if (currentSearchOperation != null) {
 731             currentSearchOperation.interrupted.set(true);
 732             currentSearchOperation = null;
 733         }
 734         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 735                 searchView.getQuery().toString(), false);
 736     }
 737
 738     void onLanguageButtonLongClick(final Context context) {
 739         final Dialog dialog = new Dialog(context);
 740         dialog.setContentView(R.layout.select_dictionary_dialog);
 741         dialog.setTitle(R.string.selectDictionary);
 742
 743         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 744
 745         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 746         final Button button = new Button(listView.getContext());
 747         final String name = getString(R.string.dictionaryManager);
 748         button.setText(name);
 749         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 750                 DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 751             @Override
 752             protected void onGo() {
 753                 dialog.dismiss();
 754                 DictionaryActivity.this.finish();
 755             }
 756         };
 757         button.setOnClickListener(intentLauncher);
 758         listView.addHeaderView(button);
 759
 760         listView.setAdapter(new BaseAdapter() {
 761             @Override
 762             public View getView(int position, View convertView, ViewGroup parent) {
 763                 final DictionaryInfo dictionaryInfo = getItem(position);
 764
 765                 final LinearLayout result = new LinearLayout(parent.getContext());
 766
 767                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 768                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 769                     final View button = application.createButton(parent.getContext(),
 770                             dictionaryInfo, indexInfo);
 771                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 772                             getLaunchIntent(getApplicationContext(),
 773                                     application.getPath(dictionaryInfo.uncompressedFilename),
 774                                     indexInfo.shortName, searchView.getQuery().toString())) {
 775                         @Override
 776                         protected void onGo() {
 777                             dialog.dismiss();
 778                             DictionaryActivity.this.finish();
 779                         }
 780                     };
 781                     button.setOnClickListener(intentLauncher);
 782                     if (i == indexIndex && dictFile != null &&
 783                         dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 784                         button.setPressed(true);
 785                     }
 786                     result.addView(button);
 787                 }
 788
 789                 final TextView nameView = new TextView(parent.getContext());
 790                 final String name = application
 791                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 792                 nameView.setText(name);
 793                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 794                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 795                 layoutParams.width = 0;
 796                 layoutParams.weight = 1.0f;
 797                 nameView.setLayoutParams(layoutParams);
 798                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 799                 result.addView(nameView);
 800                 return result;
 801             }
 802
 803             @Override
 804             public long getItemId(int position) {
 805                 return position;
 806             }
 807
 808             @Override
 809             public DictionaryInfo getItem(int position) {
 810                 return installedDicts.get(position);
 811             }
 812
 813             @Override
 814             public int getCount() {
 815                 return installedDicts.size();
 816             }
 817         });
 818         dialog.show();
 819     }
 820
 821     void onUpDownButton(final boolean up) {
 822         if (isFiltered()) {
 823             return;
 824         }
 825         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 826         final RowBase row = index.rows.get(firstVisibleRow);
 827         final TokenRow tokenRow = row.getTokenRow(true);
 828         final int destIndexEntry;
 829         if (up) {
 830             if (row != tokenRow) {
 831                 destIndexEntry = tokenRow.referenceIndex;
 832             } else {
 833                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 834             }
 835         } else {
 836             // Down
 837             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 838         }
 839         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 840         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 841         setSearchText(dest.token, false);
 842         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 843         defocusSearchText();
 844     }
 845
 846     void onRandomWordButton() {
 847         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 848         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 849         setSearchText(dest.token, false);
 850         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 851         defocusSearchText();
 852     }
 853
 854     // --------------------------------------------------------------------------
 855     // Options Menu
 856     // --------------------------------------------------------------------------
 857
 858     final Random random = new Random();
 859
 860     @Override
 861     public boolean onCreateOptionsMenu(final Menu menu) {
 862
 863         if (PreferenceManager.getDefaultSharedPreferences(this)
 864                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 865             // Next word.
 866             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 867                     .setIcon(R.drawable.arrow_down_float);
 868             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 869             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 870                 @Override
 871                 public boolean onMenuItemClick(MenuItem item) {
 872                     onUpDownButton(false);
 873                     return true;
 874                 }
 875             });
 876
 877             // Previous word.
 878             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 879                     .setIcon(R.drawable.arrow_up_float);
 880             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 881             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 882                 @Override
 883                 public boolean onMenuItemClick(MenuItem item) {
 884                     onUpDownButton(true);
 885                     return true;
 886                 }
 887             });
 888         }
 889
 890         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 891         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 892             @Override
 893             public boolean onMenuItemClick(MenuItem item) {
 894                 onRandomWordButton();
 895                 return true;
 896             }
 897         });
 898
 899         application.onCreateGlobalOptionsMenu(this, menu);
 900
 901         {
 902             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 903             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 904             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 905                 public boolean onMenuItemClick(final MenuItem menuItem) {
 906                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 907                     finish();
 908                     return false;
 909                 }
 910             });
 911         }
 912
 913         {
 914             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 915             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 916             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 917                 public boolean onMenuItemClick(final MenuItem menuItem) {
 918                     final Context context = getListView().getContext();
 919                     final Dialog dialog = new Dialog(context);
 920                     dialog.setContentView(R.layout.about_dictionary_dialog);
 921                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 922
 923                     final String name = application.getDictionaryName(dictFile.getName());
 924                     dialog.setTitle(name);
 925
 926                     final StringBuilder builder = new StringBuilder();
 927                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 928                     dictionaryInfo.uncompressedBytes = dictFile.length();
 929                     if (dictionaryInfo != null) {
 930                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 931                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 932                                 .append("\n");
 933                         builder.append(
 934                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 935                                 .append("\n");
 936                         builder.append(
 937                                 getString(R.string.dictionaryCreationTime,
 938                                         dictionaryInfo.creationMillis)).append("\n");
 939                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 940                             builder.append("\n");
 941                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 942                                     .append("\n");
 943                             builder.append(
 944                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 945                                     .append("\n");
 946                         }
 947                         builder.append("\n");
 948                         builder.append(getString(R.string.sources)).append("\n");
 949                         for (final EntrySource source : dictionary.sources) {
 950                             builder.append(
 951                                     getString(R.string.sourceInfo, source.getName(),
 952                                             source.getNumEntries())).append("\n");
 953                         }
 954                     }
 955                     textView.setText(builder.toString());
 956
 957                     dialog.show();
 958                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 959                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 960                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 961                     dialog.getWindow().setAttributes(layoutParams);
 962                     return false;
 963                 }
 964             });
 965         }
 966
 967         return true;
 968     }
 969
 970     // --------------------------------------------------------------------------
 971     // Context Menu + clicks
 972     // --------------------------------------------------------------------------
 973
 974     @Override
 975     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 976         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 977         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 978
 979         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 980                 wordList.getName()));
 981         addToWordlist
 982                 .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 983                     public boolean onMenuItemClick(android.view.MenuItem item) {
 984                         onAppendToWordList(row);
 985                         return false;
 986                     }
 987                 });
 988
 989         final android.view.MenuItem share = menu.add("Share");
 990         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 991             public boolean onMenuItemClick(android.view.MenuItem item) {
 992                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
 993                 shareIntent.setType("text/plain");
 994                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
 995                         .getToken());
 996                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
 997                         row.getRawText(saveOnlyFirstSubentry));
 998                 startActivity(shareIntent);
 999                 return false;
1000             }
1001         });
1002
1003         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1004         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1005             public boolean onMenuItemClick(android.view.MenuItem item) {
1006                 onCopy(row);
1007                 return false;
1008             }
1009         });
1010
1011         if (selectedSpannableText != null) {
1012             final String selectedText = selectedSpannableText;
1013             final android.view.MenuItem searchForSelection = menu.add(getString(
1014                     R.string.searchForSelection,
1015                     selectedSpannableText));
1016             searchForSelection
1017                     .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1018                         public boolean onMenuItemClick(android.view.MenuItem item) {
1019                             jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1020                             return false;
1021                         }
1022                     });
1023             // Rats, this won't be shown:
1024             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1025         }
1026
1027         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1028             final android.view.MenuItem speak = menu.add(R.string.speak);
1029             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1030             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1031             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1032                 @Override
1033                 public boolean onMenuItemClick(android.view.MenuItem item) {
1034                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1035                             new HashMap<String, String>());
1036                     return false;
1037                 }
1038             });
1039         }
1040     }
1041
1042     private void jumpToTextFromHyperLink(
1043             final String selectedText, final int defaultIndexToUse) {
1044         int indexToUse = -1;
1045         int numFound = 0;
1046         for (int i = 0; i < dictionary.indices.size(); ++i) {
1047             final Index index = dictionary.indices.get(i);
1048             if (indexPrepFinished) {
1049                 System.out.println("Doing index lookup: on " + selectedText);
1050                 final IndexEntry indexEntry = index.findExact(selectedText);
1051                 if (indexEntry != null) {
1052                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1053                             .getTokenRow(false);
1054                     if (tokenRow != null && tokenRow.hasMainEntry) {
1055                         indexToUse = i;
1056                         ++numFound;
1057                     }
1058                 }
1059             } else {
1060                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1061             }
1062         }
1063         if (numFound != 1 || indexToUse == -1) {
1064             indexToUse = defaultIndexToUse;
1065         }
1066         // Without this extra delay, the call to jumpToRow that this
1067         // invokes doesn't always actually have any effect.
1068         final int actualIndexToUse = indexToUse;
1069         getListView().postDelayed(new Runnable() {
1070             @Override
1071             public void run() {
1072                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1073             }
1074         }, 100);
1075     }
1076
1077     /**
1078      * Called when user clicks outside of search text, so that they can start
1079      * typing again immediately.
1080      */
1081     void defocusSearchText() {
1082         // Log.d(LOG, "defocusSearchText");
1083         // Request focus so that if we start typing again, it clears the text
1084         // input.
1085         getListView().requestFocus();
1086
1087         // Visual indication that a new keystroke will clear the search text.
1088         // Doesn't seem to work unless searchText has focus.
1089         // searchView.selectAll();
1090     }
1091
1092     protected void onListItemClick(ListView l, View v, int row, long id) {
1093         defocusSearchText();
1094         if (clickOpensContextMenu && dictRaf != null) {
1095             openContextMenu(v);
1096         }
1097     }
1098
1099     @SuppressLint("SimpleDateFormat")
1100     void onAppendToWordList(final RowBase row) {
1101         defocusSearchText();
1102
1103         final StringBuilder rawText = new StringBuilder();
1104         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1105         rawText.append(index.longName).append("\t");
1106         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1107         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1108         Log.d(LOG, "Writing : " + rawText);
1109
1110         try {
1111             wordList.getParentFile().mkdirs();
1112             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1113             out.println(rawText.toString());
1114             out.close();
1115         } catch (Exception e) {
1116             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1117             Toast.makeText(this,
1118                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1119                     Toast.LENGTH_LONG).show();
1120         }
1121         return;
1122     }
1123
1124     @SuppressWarnings("deprecation")
1125     void onCopy(final RowBase row) {
1126         defocusSearchText();
1127
1128         Log.d(LOG, "Copy, row=" + row);
1129         final StringBuilder result = new StringBuilder();
1130         result.append(row.getRawText(false));
1131         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1132         clipboardManager.setText(result.toString());
1133         Log.d(LOG, "Copied: " + result);
1134     }
1135
1136     @Override
1137     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1138         if (event.getUnicodeChar() != 0) {
1139             if (!searchView.hasFocus()) {
1140                 setSearchText("" + (char) event.getUnicodeChar(), true);
1141                 searchView.requestFocus();
1142             }
1143             return true;
1144         }
1145         if (keyCode == KeyEvent.KEYCODE_BACK) {
1146             // Log.d(LOG, "Clearing dictionary prefs.");
1147             // Pretend that we just autolaunched so that we won't do it again.
1148             // DictionaryManagerActivity.lastAutoLaunchMillis =
1149             // System.currentTimeMillis();
1150         }
1151         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1152             Log.d(LOG, "Trying to hide soft keyboard.");
1153             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1154             View focus = getCurrentFocus();
1155             if (focus != null) {
1156                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1157                         InputMethodManager.HIDE_NOT_ALWAYS);
1158             }
1159             return true;
1160         }
1161         return super.onKeyDown(keyCode, event);
1162     }
1163
1164     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1165         Log.d(LOG, "Changing index to: " + newIndex);
1166         if (newIndex == -1) {
1167             Log.e(LOG, "Invalid index.");
1168             newIndex = 0;
1169         }
1170         if (newIndex != indexIndex) {
1171             indexIndex = newIndex;
1172             index = dictionary.indices.get(indexIndex);
1173             indexAdapter = new IndexAdapter(index);
1174             setListAdapter(indexAdapter);
1175             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1176             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1177             updateLangButton();
1178         }
1179         setSearchText(newSearchText, true, hideKeyboard);
1180     }
1181
1182     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1183         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1184         // Disable the listener, because sometimes it doesn't work.
1185         searchView.setOnQueryTextListener(null);
1186         searchView.setQuery(text, false);
1187         moveCursorToRight();
1188         searchView.setOnQueryTextListener(onQueryTextListener);
1189
1190         if (triggerSearch) {
1191             onSearchTextChange(text);
1192         }
1193
1194         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1195         if (hideKeyboard) {
1196             hideKeyboard();
1197         }
1198     }
1199
1200     private void setSearchText(final String text, final boolean triggerSearch) {
1201         setSearchText(text, triggerSearch, true);
1202     }
1203
1204     // private long cursorDelayMillis = 100;
1205     private void moveCursorToRight() {
1206         // if (searchText.getLayout() != null) {
1207         // cursorDelayMillis = 100;
1208         // // Surprising, but this can crash when you rotate...
1209         // Selection.moveToRightEdge(searchView.getQuery(),
1210         // searchText.getLayout());
1211         // } else {
1212         // uiHandler.postDelayed(new Runnable() {
1213         // @Override
1214         // public void run() {
1215         // moveCursorToRight();
1216         // }
1217         // }, cursorDelayMillis);
1218         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1219         // }
1220     }
1221
1222     // --------------------------------------------------------------------------
1223     // SearchOperation
1224     // --------------------------------------------------------------------------
1225
1226     private void searchFinished(final SearchOperation searchOperation) {
1227         if (searchOperation.interrupted.get()) {
1228             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1229             return;
1230         }
1231         if (searchOperation != this.currentSearchOperation) {
1232             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1233             return;
1234         }
1235
1236         final Index.IndexEntry searchResult = searchOperation.searchResult;
1237         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1238
1239         currentSearchOperation = null;
1240         uiHandler.postDelayed(new Runnable() {
1241             @Override
1242             public void run() {
1243                 if (currentSearchOperation == null) {
1244                     if (searchResult != null) {
1245                         if (isFiltered()) {
1246                             clearFiltered();
1247                         }
1248                         jumpToRow(searchResult.startRow);
1249                     } else if (searchOperation.multiWordSearchResult != null) {
1250                         // Multi-row search....
1251                         setFiltered(searchOperation);
1252                     } else {
1253                         throw new IllegalStateException("This should never happen.");
1254                     }
1255                 } else {
1256                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1257                 }
1258             }
1259         }, 20);
1260     }
1261
1262     private final void jumpToRow(final int row) {
1263         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1264         // getListView().requestFocusFromTouch();
1265         getListView().setSelectionFromTop(row, 0);
1266         getListView().setSelected(true);
1267     }
1268
1269     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1270
1271     final class SearchOperation implements Runnable {
1272
1273         final AtomicBoolean interrupted = new AtomicBoolean(false);
1274
1275         final String searchText;
1276
1277         List<String> searchTokens; // filled in for multiWord.
1278
1279         final Index index;
1280
1281         long searchStartMillis;
1282
1283         Index.IndexEntry searchResult;
1284
1285         List<RowBase> multiWordSearchResult;
1286
1287         boolean done = false;
1288
1289         SearchOperation(final String searchText, final Index index) {
1290             this.searchText = StringUtil.normalizeWhitespace(searchText);
1291             this.index = index;
1292         }
1293
1294         public String toString() {
1295             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1296         }
1297
1298         @Override
1299         public void run() {
1300             try {
1301                 searchStartMillis = System.currentTimeMillis();
1302                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1303                 if (searchTokenArray.length == 1) {
1304                     searchResult = index.findInsertionPoint(searchText, interrupted);
1305                 } else {
1306                     searchTokens = Arrays.asList(searchTokenArray);
1307                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1308                             interrupted);
1309                 }
1310                 Log.d(LOG,
1311                         "searchText=" + searchText + ", searchDuration="
1312                                 + (System.currentTimeMillis() - searchStartMillis)
1313                                 + ", interrupted=" + interrupted.get());
1314                 if (!interrupted.get()) {
1315                     uiHandler.post(new Runnable() {
1316                         @Override
1317                         public void run() {
1318                             searchFinished(SearchOperation.this);
1319                         }
1320                     });
1321                 } else {
1322                     Log.d(LOG, "interrupted, skipping searchFinished.");
1323                 }
1324             } catch (Exception e) {
1325                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1326             } finally {
1327                 synchronized (this) {
1328                     done = true;
1329                     this.notifyAll();
1330                 }
1331             }
1332         }
1333     }
1334
1335     // --------------------------------------------------------------------------
1336     // IndexAdapter
1337     // --------------------------------------------------------------------------
1338
1339     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1340             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1341
1342     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1343             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1344
1345     final class IndexAdapter extends BaseAdapter {
1346
1347         private static final float PADDING_DEFAULT_DP = 8;
1348
1349         private static final float PADDING_LARGE_DP = 16;
1350
1351         final Index index;
1352
1353         final List<RowBase> rows;
1354
1355         final Set<String> toHighlight;
1356
1357         private int mPaddingDefault;
1358
1359         private int mPaddingLarge;
1360
1361         IndexAdapter(final Index index) {
1362             this.index = index;
1363             rows = index.rows;
1364             this.toHighlight = null;
1365             getMetrics();
1366         }
1367
1368         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1369             this.index = index;
1370             this.rows = rows;
1371             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1372             getMetrics();
1373         }
1374
1375         private void getMetrics() {
1376             // Get the screen's density scale
1377             final float scale = getResources().getDisplayMetrics().density;
1378             // Convert the dps to pixels, based on density scale
1379             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1380             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1381         }
1382
1383         @Override
1384         public int getCount() {
1385             return rows.size();
1386         }
1387
1388         @Override
1389         public RowBase getItem(int position) {
1390             return rows.get(position);
1391         }
1392
1393         @Override
1394         public long getItemId(int position) {
1395             return getItem(position).index();
1396         }
1397
1398         @Override
1399         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1400             final TableLayout result;
1401             if (convertView instanceof TableLayout) {
1402                 result = (TableLayout) convertView;
1403                 result.removeAllViews();
1404             } else {
1405                 result = new TableLayout(parent.getContext());
1406             }
1407             final RowBase row = getItem(position);
1408             if (row instanceof PairEntry.Row) {
1409                 return getView(position, (PairEntry.Row) row, parent, result);
1410             } else if (row instanceof TokenRow) {
1411                 return getView((TokenRow) row, parent, result);
1412             } else if (row instanceof HtmlEntry.Row) {
1413                 return getView((HtmlEntry.Row) row, parent, result);
1414             } else {
1415                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1416             }
1417         }
1418
1419         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1420                 final TableLayout result) {
1421             final PairEntry entry = row.getEntry();
1422             final int rowCount = entry.pairs.size();
1423
1424             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1425             layoutParams.weight = 0.5f;
1426             layoutParams.leftMargin = mPaddingLarge;
1427
1428             for (int r = 0; r < rowCount; ++r) {
1429                 final TableRow tableRow = new TableRow(result.getContext());
1430
1431                 final TextView col1 = new TextView(tableRow.getContext());
1432                 final TextView col2 = new TextView(tableRow.getContext());
1433
1434                 // Set the columns in the table.
1435                 if (r > 0) {
1436                     final TextView bullet = new TextView(tableRow.getContext());
1437                     bullet.setText(" • ");
1438                     tableRow.addView(bullet);
1439                 }
1440                 tableRow.addView(col1, layoutParams);
1441                 final TextView margin = new TextView(tableRow.getContext());
1442                 margin.setText(" ");
1443                 tableRow.addView(margin);
1444                 if (r > 0) {
1445                     final TextView bullet = new TextView(tableRow.getContext());
1446                     bullet.setText(" • ");
1447                     tableRow.addView(bullet);
1448                 }
1449                 tableRow.addView(col2, layoutParams);
1450                 col1.setWidth(1);
1451                 col2.setWidth(1);
1452
1453                 // Set what's in the columns.
1454
1455                 final Pair pair = entry.pairs.get(r);
1456                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1457                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1458
1459                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1460                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1461
1462                 // Bold the token instances in col1.
1463                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1464                         .singleton(row.getTokenRow(true).getToken());
1465                 final Spannable col1Spannable = (Spannable) col1.getText();
1466                 for (final String token : toBold) {
1467                     int startPos = 0;
1468                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1469                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1470                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1471                         startPos += token.length();
1472                     }
1473                 }
1474
1475                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1476                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1477
1478                 col1.setTypeface(typeface);
1479                 col2.setTypeface(typeface);
1480                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1481                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1482                 // col2.setBackgroundResource(theme.otherLangBg);
1483
1484                 if (index.swapPairEntries) {
1485                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1486                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1487                 } else {
1488                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1489                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1490                 }
1491
1492                 result.addView(tableRow);
1493             }
1494
1495             // Because we have a Button inside a ListView row:
1496             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1497             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1498             result.setClickable(true);
1499             result.setFocusable(true);
1500             result.setLongClickable(true);
1501 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1502
1503             result.setBackgroundResource(theme.normalRowBg);
1504
1505             result.setOnClickListener(new TextView.OnClickListener() {
1506                 @Override
1507                 public void onClick(View v) {
1508                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1509                 }
1510             });
1511
1512             return result;
1513         }
1514
1515         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1516                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1517                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1518             final Context context = parent.getContext();
1519
1520             final TableRow tableRow = new TableRow(result.getContext());
1521             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1522                     : theme.tokenRowOtherBg);
1523             if (isTokenRow) {
1524                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1525             } else {
1526                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1527             }
1528             result.addView(tableRow);
1529
1530             // Make it so we can long-click on these token rows, too:
1531             final TextView textView = new TextView(context);
1532             textView.setText(text, BufferType.SPANNABLE);
1533             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1534             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1535             result.setLongClickable(true);
1536
1537             // Doesn't work:
1538             // textView.setTextColor(android.R.color.secondary_text_light);
1539             textView.setTypeface(typeface);
1540             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1541             if (isTokenRow) {
1542                 textView.setTextAppearance(context, theme.tokenRowFg);
1543                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1544             } else {
1545                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1546             }
1547             lp.weight = 1.0f;
1548
1549             textView.setLayoutParams(lp);
1550             tableRow.addView(textView);
1551
1552             if (!htmlEntries.isEmpty()) {
1553                 final ClickableSpan clickableSpan = new ClickableSpan() {
1554                     @Override
1555                     public void onClick(View widget) {
1556                     }
1557                 };
1558                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1559                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1560                 result.setClickable(true);
1561                 textView.setClickable(true);
1562                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1563                 textView.setOnClickListener(new OnClickListener() {
1564                     @Override
1565                     public void onClick(View v) {
1566                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1567                         // Log.d(LOG, "html=" + html);
1568                         startActivityForResult(
1569                                 HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1570                                         "<html><head></head><body>%s</body></html>", html),
1571                                         htmlTextToHighlight, false),
1572                                 0);
1573                     }
1574                 });
1575             }
1576             return result;
1577         }
1578
1579         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1580             final IndexEntry indexEntry = row.getIndexEntry();
1581             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1582                     indexEntry.htmlEntries, null, parent, result);
1583         }
1584
1585         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1586             final HtmlEntry htmlEntry = row.getEntry();
1587             final TokenRow tokenRow = row.getTokenRow(true);
1588             return getPossibleLinkToHtmlEntryView(false,
1589                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1590                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1591                     result);
1592         }
1593
1594     }
1595
1596     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1597
1598     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1599             final String text) {
1600         // Saw from the source code that LinkMovementMethod sets the selection!
1601         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1602         textView.setMovementMethod(LinkMovementMethod.getInstance());
1603         final Matcher matcher = CHAR_DASH.matcher(text);
1604         while (matcher.find()) {
1605             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1606                     matcher.end(),
1607                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1608         }
1609     }
1610
1611     String selectedSpannableText = null;
1612
1613     int selectedSpannableIndex = -1;
1614
1615     @Override
1616     public boolean onTouchEvent(MotionEvent event) {
1617         selectedSpannableText = null;
1618         selectedSpannableIndex = -1;
1619         return super.onTouchEvent(event);
1620     }
1621
1622     private class TextViewLongClickListener implements OnLongClickListener {
1623         final int index;
1624
1625         private TextViewLongClickListener(final int index) {
1626             this.index = index;
1627         }
1628
1629         @Override
1630         public boolean onLongClick(final View v) {
1631             final TextView textView = (TextView) v;
1632             final int start = textView.getSelectionStart();
1633             final int end = textView.getSelectionEnd();
1634             if (start >= 0 && end >= 0) {
1635                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1636                 selectedSpannableIndex = index;
1637             }
1638             return false;
1639         }
1640     }
1641
1642     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1643             0);
1644
1645     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1646             1);
1647
1648     // --------------------------------------------------------------------------
1649     // SearchText
1650     // --------------------------------------------------------------------------
1651
1652     void onSearchTextChange(final String text) {
1653         if ("thadolina".equals(text)) {
1654             final Dialog dialog = new Dialog(getListView().getContext());
1655             dialog.setContentView(R.layout.thadolina_dialog);
1656             dialog.setTitle("Ti amo, amore mio!");
1657             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1658             imageView.setOnClickListener(new OnClickListener() {
1659                 @Override
1660                 public void onClick(View v) {
1661                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1662                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1663                     startActivity(intent);
1664                 }
1665             });
1666             dialog.show();
1667         }
1668         if (dictRaf == null) {
1669             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1670             return;
1671         }
1672
1673         // if (!searchView.hasFocus()) {
1674         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1675         // return;
1676         // }
1677         Log.d(LOG, "onSearchTextChange: " + text);
1678         if (currentSearchOperation != null) {
1679             Log.d(LOG, "Interrupting currentSearchOperation.");
1680             currentSearchOperation.interrupted.set(true);
1681         }
1682         currentSearchOperation = new SearchOperation(text, index);
1683         searchExecutor.execute(currentSearchOperation);
1684         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1685     }
1686
1687     // --------------------------------------------------------------------------
1688     // Filtered results.
1689     // --------------------------------------------------------------------------
1690
1691     boolean isFiltered() {
1692         return rowsToShow != null;
1693     }
1694
1695     void setFiltered(final SearchOperation searchOperation) {
1696         if (nextWordMenuItem != null) {
1697             nextWordMenuItem.setEnabled(false);
1698             previousWordMenuItem.setEnabled(false);
1699         }
1700         rowsToShow = searchOperation.multiWordSearchResult;
1701         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1702     }
1703
1704     void clearFiltered() {
1705         if (nextWordMenuItem != null) {
1706             nextWordMenuItem.setEnabled(true);
1707             previousWordMenuItem.setEnabled(true);
1708         }
1709         setListAdapter(new IndexAdapter(index));
1710         rowsToShow = null;
1711     }
1712
1713 }