Android/folioreader/src/main/java/com/folioreader/ui/folio/fragment/FolioPageFragment.java

   1 package com.folioreader.ui.folio.fragment;\r
   2 \r
   3 import android.app.Activity;\r
   4 import android.annotation.SuppressLint;\r
   5 import android.content.Intent;\r
   6 import android.content.res.Configuration;\r
   7 import android.graphics.Color;\r
   8 import android.graphics.PorterDuff;\r
   9 import android.graphics.drawable.Drawable;\r
  10 import android.net.Uri;\r
  11 import android.os.Build;\r
  12 import android.os.Bundle;\r
  13 import android.support.v4.app.Fragment;\r
  14 import android.support.v4.content.ContextCompat;\r
  15 import android.text.TextUtils;\r
  16 import android.util.Log;\r
  17 import android.view.LayoutInflater;\r
  18 import android.view.View;\r
  19 import android.view.ViewGroup;\r
  20 import android.view.animation.Animation;\r
  21 import android.view.animation.AnimationUtils;\r
  22 import android.webkit.JavascriptInterface;\r
  23 import android.webkit.JsResult;\r
  24 import android.webkit.WebChromeClient;\r
  25 import android.webkit.WebResourceRequest;\r
  26 import android.webkit.WebResourceResponse;\r
  27 import android.webkit.WebView;\r
  28 import android.webkit.WebViewClient;\r
  29 import android.widget.TextView;\r
  30 import android.widget.Toast;\r
  31 \r
  32 import com.bossturban.webviewmarker.TextSelectionSupport;\r
  33 import com.folioreader.Config;\r
  34 import com.folioreader.Constants;\r
  35 import com.folioreader.R;\r
  36 import com.folioreader.model.HighLight;\r
  37 import com.folioreader.model.HighlightImpl;\r
  38 import com.folioreader.model.event.AnchorIdEvent;\r
  39 import com.folioreader.model.event.BusOwner;\r
  40 import com.folioreader.model.event.MediaOverlayHighlightStyleEvent;\r
  41 import com.folioreader.model.event.MediaOverlayPlayPauseEvent;\r
  42 import com.folioreader.model.event.MediaOverlaySpeedEvent;\r
  43 import com.folioreader.model.event.ReloadDataEvent;\r
  44 import com.folioreader.model.event.RewindIndexEvent;\r
  45 import com.folioreader.model.event.WebViewPosition;\r
  46 import com.folioreader.model.quickaction.ActionItem;\r
  47 import com.folioreader.model.quickaction.QuickAction;\r
  48 import com.folioreader.model.sqlite.HighLightTable;\r
  49 import com.folioreader.ui.base.HtmlTask;\r
  50 import com.folioreader.ui.base.HtmlTaskCallback;\r
  51 import com.folioreader.ui.base.HtmlUtil;\r
  52 import com.folioreader.ui.folio.activity.FolioActivity;\r
  53 import com.folioreader.ui.folio.mediaoverlay.MediaController;\r
  54 import com.folioreader.ui.folio.mediaoverlay.MediaControllerCallbacks;\r
  55 import com.folioreader.util.AppUtil;\r
  56 import com.folioreader.util.FolioReader;\r
  57 import com.folioreader.util.HighlightUtil;\r
  58 import com.folioreader.util.SMILParser;\r
  59 import com.folioreader.util.UiUtil;\r
  60 import com.folioreader.view.ObservableWebView;\r
  61 import com.folioreader.view.VerticalSeekbar;\r
  62 import com.squareup.otto.Bus;\r
  63 import com.squareup.otto.Subscribe;\r
  64 \r
  65 import org.readium.r2_streamer.model.publication.link.Link;\r
  66 \r
  67 import java.io.UnsupportedEncodingException;\r
  68 import java.net.URLDecoder;\r
  69 import java.util.Locale;\r
  70 import java.util.regex.Matcher;\r
  71 import java.util.regex.Pattern;\r
  72 \r
  73 /**\r
  74  * Created by mahavir on 4/2/16.\r
  75  */\r
  76 @SuppressWarnings("PMD.AvoidDuplicateLiterals")\r
  77 public class FolioPageFragment extends Fragment implements HtmlTaskCallback, MediaControllerCallbacks, ObservableWebView.SeekBarListener {\r
  78 \r
  79     public static final String KEY_FRAGMENT_FOLIO_POSITION = "com.folioreader.ui.folio.fragment.FolioPageFragment.POSITION";\r
  80     public static final String KEY_FRAGMENT_FOLIO_BOOK_TITLE = "com.folioreader.ui.folio.fragment.FolioPageFragment.BOOK_TITLE";\r
  81     public static final String KEY_FRAGMENT_EPUB_FILE_NAME = "com.folioreader.ui.folio.fragment.FolioPageFragment.EPUB_FILE_NAME";\r
  82     private static final String KEY_IS_SMIL_AVAILABLE = "com.folioreader.ui.folio.fragment.FolioPageFragment.IS_SMIL_AVAILABLE";\r
  83     public static final String TAG = FolioPageFragment.class.getSimpleName();\r
  84 \r
  85     private static final int ACTION_ID_COPY = 1001;\r
  86     private static final int ACTION_ID_SHARE = 1002;\r
  87     private static final int ACTION_ID_HIGHLIGHT = 1003;\r
  88     private static final int ACTION_ID_DEFINE = 1004;\r
  89 \r
  90     private static final int ACTION_ID_HIGHLIGHT_COLOR = 1005;\r
  91     private static final int ACTION_ID_DELETE = 1006;\r
  92 \r
  93     private static final int ACTION_ID_HIGHLIGHT_YELLOW = 1007;\r
  94     private static final int ACTION_ID_HIGHLIGHT_GREEN = 1008;\r
  95     private static final int ACTION_ID_HIGHLIGHT_BLUE = 1009;\r
  96     private static final int ACTION_ID_HIGHLIGHT_PINK = 1010;\r
  97     private static final int ACTION_ID_HIGHLIGHT_UNDERLINE = 1011;\r
  98     private static final String KEY_TEXT_ELEMENTS = "text_elements";\r
  99     private static final String SPINE_ITEM = "spine_item";\r
 100 \r
 101     private String mHtmlString = null;\r
 102     private boolean hasMediaOverlay = false;\r
 103     private String mAnchorId;\r
 104     private String rangy = "";\r
 105     private String highlightId;\r
 106 \r
 107     public interface FolioPageFragmentCallback {\r
 108 \r
 109         void setPagerToPosition(String href);\r
 110 \r
 111         void setLastWebViewPosition(int position);\r
 112 \r
 113         void goToChapter(String href);\r
 114     }\r
 115 \r
 116     private View mRootView;\r
 117 \r
 118     private VerticalSeekbar mScrollSeekbar;\r
 119     private ObservableWebView mWebview;\r
 120     private TextSelectionSupport mTextSelectionSupport;\r
 121     private TextView mPagesLeftTextView, mMinutesLeftTextView;\r
 122     private FolioPageFragmentCallback mActivityCallback;\r
 123 \r
 124     private int mScrollY;\r
 125     private int mTotalMinutes;\r
 126     private String mSelectedText;\r
 127     private Animation mFadeInAnimation, mFadeOutAnimation;\r
 128 \r
 129     private Link spineItem;\r
 130     private int mPosition = -1;\r
 131     private String mBookTitle;\r
 132     private String mEpubFileName = null;\r
 133     private int mPos;\r
 134     private boolean mIsPageReloaded;\r
 135     private int mLastWebviewScrollpos;\r
 136 \r
 137     private String highlightStyle;\r
 138 \r
 139     private MediaController mediaController;\r
 140     private Config mConfig;\r
 141     private String mBookId;\r
 142 \r
 143     public static FolioPageFragment newInstance(int position, String bookTitle, Link spineRef, String bookId) {\r
 144         FolioPageFragment fragment = new FolioPageFragment();\r
 145         Bundle args = new Bundle();\r
 146         args.putInt(KEY_FRAGMENT_FOLIO_POSITION, position);\r
 147         args.putString(KEY_FRAGMENT_FOLIO_BOOK_TITLE, bookTitle);\r
 148         args.putString(FolioReader.INTENT_BOOK_ID, bookId);\r
 149         args.putSerializable(SPINE_ITEM, spineRef);\r
 150         fragment.setArguments(args);\r
 151         return fragment;\r
 152     }\r
 153 \r
 154     @Override\r
 155     public View onCreateView(LayoutInflater inflater,\r
 156                              ViewGroup container, Bundle savedInstanceState) {\r
 157         if ((savedInstanceState != null)\r
 158                 && savedInstanceState.containsKey(KEY_FRAGMENT_FOLIO_POSITION)\r
 159                 && savedInstanceState.containsKey(KEY_FRAGMENT_FOLIO_BOOK_TITLE)) {\r
 160             mPosition = savedInstanceState.getInt(KEY_FRAGMENT_FOLIO_POSITION);\r
 161             mBookTitle = savedInstanceState.getString(KEY_FRAGMENT_FOLIO_BOOK_TITLE);\r
 162             mEpubFileName = savedInstanceState.getString(KEY_FRAGMENT_EPUB_FILE_NAME);\r
 163             mBookId = getArguments().getString(FolioReader.INTENT_BOOK_ID);\r
 164             spineItem = (Link) savedInstanceState.getSerializable(SPINE_ITEM);\r
 165         } else {\r
 166             mPosition = getArguments().getInt(KEY_FRAGMENT_FOLIO_POSITION);\r
 167             mBookTitle = getArguments().getString(KEY_FRAGMENT_FOLIO_BOOK_TITLE);\r
 168             mEpubFileName = getArguments().getString(KEY_FRAGMENT_EPUB_FILE_NAME);\r
 169             spineItem = (Link) getArguments().getSerializable(SPINE_ITEM);\r
 170             mBookId = getArguments().getString(FolioReader.INTENT_BOOK_ID);\r
 171         }\r
 172         if (spineItem != null) {\r
 173             if (spineItem.properties.contains("media-overlay")) {\r
 174                 mediaController = new MediaController(getActivity(), MediaController.MediaType.SMIL, this);\r
 175                 hasMediaOverlay = true;\r
 176             } else {\r
 177                 mediaController = new MediaController(getActivity(), MediaController.MediaType.TTS, this);\r
 178                 mediaController.setTextToSpeech(getActivity());\r
 179             }\r
 180         }\r
 181         highlightStyle = HighlightImpl.HighlightStyle.classForStyle(HighlightImpl.HighlightStyle.Normal);\r
 182         mRootView = View.inflate(getActivity(), R.layout.folio_page_fragment, null);\r
 183         mPagesLeftTextView = (TextView) mRootView.findViewById(R.id.pagesLeft);\r
 184         mMinutesLeftTextView = (TextView) mRootView.findViewById(R.id.minutesLeft);\r
 185 \r
 186         Activity activity = getActivity();\r
 187 \r
 188         mConfig = AppUtil.getSavedConfig(activity);\r
 189 \r
 190         if (activity instanceof FolioPageFragmentCallback)\r
 191             mActivityCallback = (FolioPageFragmentCallback) activity;\r
 192 \r
 193         if (activity instanceof BusOwner)\r
 194             ((BusOwner) activity).getBus().register(this);\r
 195 \r
 196         initSeekbar();\r
 197         initAnimations();\r
 198         initWebView();\r
 199         updatePagesLeftTextBg();\r
 200 \r
 201         return mRootView;\r
 202     }\r
 203 \r
 204 \r
 205     private String getWebviewUrl() {\r
 206         return Constants.LOCALHOST + mBookTitle + "/" + spineItem.href;\r
 207     }\r
 208 \r
 209     @Override\r
 210     public void onConfigurationChanged(Configuration newConfig) {\r
 211         super.onConfigurationChanged(newConfig);\r
 212         float positionTopView = mWebview.getTop();\r
 213         float contentHeight = mWebview.getContentHeight();\r
 214         float currentScrollPosition = mScrollY;\r
 215         float percentWebview = (currentScrollPosition - positionTopView) / contentHeight;\r
 216         float webviewsize = mWebview.getContentHeight() - mWebview.getTop();\r
 217         float positionInWV = webviewsize * percentWebview;\r
 218         int positionY = Math.round(mWebview.getTop() + positionInWV);\r
 219         mScrollY = positionY;\r
 220     }\r
 221 \r
 222     /**\r
 223      * [EVENT BUS FUNCTION]\r
 224      * Function triggered from {@link FolioActivity#initAudioView()} when pause/play\r
 225      * button is clicked\r
 226      *\r
 227      * @param event of type {@link MediaOverlayPlayPauseEvent} contains if paused/played\r
 228      */\r
 229     @SuppressWarnings("unused")\r
 230     @Subscribe\r
 231     public void pauseButtonClicked(MediaOverlayPlayPauseEvent event) {\r
 232         if (isAdded()\r
 233                 && spineItem.href.equals(event.getHref())) {\r
 234             mediaController.stateChanged(event);\r
 235         }\r
 236     }\r
 237 \r
 238     /**\r
 239      * [EVENT BUS FUNCTION]\r
 240      * Function triggered from {@link FolioActivity#initAudioView()} when speed\r
 241      * change buttons are clicked\r
 242      *\r
 243      * @param event of type {@link MediaOverlaySpeedEvent} contains selected speed\r
 244      *              type HALF,ONE,ONE_HALF and TWO.\r
 245      */\r
 246     @SuppressWarnings("unused")\r
 247     @Subscribe\r
 248     public void speedChanged(MediaOverlaySpeedEvent event) {\r
 249         mediaController.setSpeed(event.getSpeed());\r
 250     }\r
 251 \r
 252     /**\r
 253      * [EVENT BUS FUNCTION]\r
 254      * Function triggered from {@link FolioActivity#initAudioView()} when new\r
 255      * style is selected on button click.\r
 256      *\r
 257      * @param event of type {@link MediaOverlaySpeedEvent} contains selected style\r
 258      *              of type DEFAULT,UNDERLINE and BACKGROUND.\r
 259      */\r
 260     @SuppressWarnings("unused")\r
 261     @Subscribe\r
 262     public void styleChanged(MediaOverlayHighlightStyleEvent event) {\r
 263         if (isAdded()) {\r
 264             switch (event.getStyle()) {\r
 265                 case DEFAULT:\r
 266                     highlightStyle =\r
 267                             HighlightImpl.HighlightStyle.classForStyle(HighlightImpl.HighlightStyle.Normal);\r
 268                     break;\r
 269                 case UNDERLINE:\r
 270                     highlightStyle =\r
 271                             HighlightImpl.HighlightStyle.classForStyle(HighlightImpl.HighlightStyle.DottetUnderline);\r
 272                     break;\r
 273                 case BACKGROUND:\r
 274                     highlightStyle =\r
 275                             HighlightImpl.HighlightStyle.classForStyle(HighlightImpl.HighlightStyle.TextColor);\r
 276                     break;\r
 277             }\r
 278             mWebview.loadUrl(String.format(getString(R.string.setmediaoverlaystyle), highlightStyle));\r
 279         }\r
 280     }\r
 281 \r
 282     /**\r
 283      * [EVENT BUS FUNCTION]\r
 284      * Function triggered when any EBook configuration is changed.\r
 285      *\r
 286      * @param reloadDataEvent empty POJO.\r
 287      */\r
 288     @Subscribe\r
 289     public void reload(ReloadDataEvent reloadDataEvent) {\r
 290         if (isAdded()) {\r
 291             mLastWebviewScrollpos = mWebview.getScrollY();\r
 292             mIsPageReloaded = true;\r
 293             setHtml(true);\r
 294             updatePagesLeftTextBg();\r
 295         }\r
 296     }\r
 297 \r
 298     /**\r
 299      * [EVENT BUS FUNCTION]\r
 300      * Function triggered from {@link FolioActivity#onActivityResult(int, int, Intent)} when any item in toc clicked.\r
 301      *\r
 302      * @param event of type {@link AnchorIdEvent} contains selected chapter href.\r
 303      */\r
 304     @Subscribe\r
 305     public void jumpToAnchorPoint(AnchorIdEvent event) {\r
 306         if (isAdded() && event != null && event.getHref() != null) {\r
 307             String href = event.getHref();\r
 308             if (href != null && href.indexOf('#') != -1 && spineItem.href.equals(href.substring(0, href.lastIndexOf('#')))) {\r
 309                 mAnchorId = href.substring(href.lastIndexOf('#') + 1);\r
 310                 if (mWebview.getContentHeight() > 0 && mAnchorId != null) {\r
 311                     mWebview.loadUrl("javascript:document.getElementById(\"" + mAnchorId + "\").scrollIntoView()");\r
 312                 }\r
 313             }\r
 314         }\r
 315     }\r
 316 \r
 317     @Override\r
 318     public void onReceiveHtml(String html) {\r
 319         if (isAdded()) {\r
 320             mHtmlString = html;\r
 321             setHtml(false);\r
 322         }\r
 323     }\r
 324 \r
 325     private void setHtml(boolean reloaded) {\r
 326         if (spineItem != null) {\r
 327             String ref = spineItem.href;\r
 328             if (!reloaded && spineItem.properties.contains("media-overlay")) {\r
 329                 mediaController.setSMILItems(SMILParser.parseSMIL(mHtmlString));\r
 330                 mediaController.setUpMediaPlayer(spineItem.mediaOverlay, spineItem.mediaOverlay.getAudioPath(spineItem.href), mBookTitle);\r
 331             }\r
 332             mConfig = AppUtil.getSavedConfig(getActivity());\r
 333             String path = ref.substring(0, ref.lastIndexOf('/'));\r
 334             mWebview.loadDataWithBaseURL(\r
 335                     Constants.LOCALHOST + mBookTitle + "/" + path + "/",\r
 336                     HtmlUtil.getHtmlContent(getActivity(), mHtmlString, mConfig),\r
 337                     "text/html",\r
 338                     "UTF-8",\r
 339                     null);\r
 340         }\r
 341     }\r
 342 \r
 343     @Override\r
 344     public void onStop() {\r
 345         super.onStop();\r
 346         mediaController.stop();\r
 347         //TODO save last media overlay item\r
 348     }\r
 349 \r
 350     private void initWebView() {\r
 351         mWebview = (ObservableWebView) mRootView.findViewById(R.id.contentWebView);\r
 352         mWebview.setSeekBarListener(FolioPageFragment.this);\r
 353 \r
 354         if (getActivity() instanceof ObservableWebView.ToolBarListener)\r
 355             mWebview.setToolBarListener((ObservableWebView.ToolBarListener) getActivity());\r
 356 \r
 357         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\r
 358             WebView.setWebContentsDebuggingEnabled(true);\r
 359         }\r
 360 \r
 361         setupScrollBar();\r
 362         mWebview.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {\r
 363             @Override\r
 364             public void onLayoutChange(View view, int left, int top, int right, int bottom,\r
 365                                        int oldLeft, int oldTop, int oldRight, int oldBottom) {\r
 366                 int height =\r
 367                         (int) Math.floor(mWebview.getContentHeight() * mWebview.getScale());\r
 368                 int webViewHeight = mWebview.getMeasuredHeight();\r
 369                 mScrollSeekbar.setMaximum(height - webViewHeight);\r
 370             }\r
 371         });\r
 372 \r
 373         mWebview.getSettings().setJavaScriptEnabled(true);\r
 374         mWebview.setVerticalScrollBarEnabled(false);\r
 375         mWebview.getSettings().setAllowFileAccess(true);\r
 376 \r
 377         mWebview.setHorizontalScrollBarEnabled(false);\r
 378 \r
 379         mWebview.addJavascriptInterface(this, "Highlight");\r
 380         mWebview.setScrollListener(new ObservableWebView.ScrollListener() {\r
 381             @Override\r
 382             public void onScrollChange(int percent) {\r
 383                 if (mWebview.getScrollY() != 0) {\r
 384                     mScrollY = mWebview.getScrollY();\r
 385                     if (isAdded()) {\r
 386                         ((FolioActivity) getActivity()).setLastWebViewPosition(mScrollY);\r
 387                     }\r
 388                 }\r
 389                 mScrollSeekbar.setProgressAndThumb(percent);\r
 390                 updatePagesLeftText(percent);\r
 391 \r
 392             }\r
 393         });\r
 394 \r
 395         mWebview.setWebViewClient(new WebViewClient() {\r
 396             @Override\r
 397             public void onPageFinished(WebView view, String url) {\r
 398                 if (isAdded()) {\r
 399                     if (mAnchorId != null)\r
 400                         view.loadUrl("javascript:document.getElementById(\"" + mAnchorId + "\").scrollIntoView()");\r
 401                     view.loadUrl("javascript:alert(getReadingTime())");\r
 402                     if (!hasMediaOverlay) {\r
 403                         view.loadUrl("javascript:alert(wrappingSentencesWithinPTags())");\r
 404                     }\r
 405                     view.loadUrl(String.format(getString(R.string.setmediaoverlaystyle),\r
 406                             HighlightImpl.HighlightStyle.classForStyle(\r
 407                                     HighlightImpl.HighlightStyle.Normal)));\r
 408                     if (isCurrentFragment()) {\r
 409                         setWebViewPosition(AppUtil.getPreviousBookStateWebViewPosition(getActivity(), mBookTitle));\r
 410                     } else if (mIsPageReloaded) {\r
 411                         setWebViewPosition(mLastWebviewScrollpos);\r
 412                         mIsPageReloaded = false;\r
 413                     }\r
 414                     String rangy = HighlightUtil.generateRangyString(getPageName());\r
 415                     FolioPageFragment.this.rangy = rangy;\r
 416                     if (!rangy.isEmpty()) {\r
 417                         loadRangy(view, rangy);\r
 418                     }\r
 419 \r
 420                     scrollToHighlightId();\r
 421 \r
 422 \r
 423                 }\r
 424             }\r
 425 \r
 426             @Override\r
 427             public boolean shouldOverrideUrlLoading(WebView view, String url) {\r
 428                 if (!url.isEmpty() && url.length() > 0) {\r
 429                     if (Uri.parse(url).getScheme().startsWith("highlight")) {\r
 430                         final Pattern pattern = Pattern.compile(getString(R.string.pattern));\r
 431                         try {\r
 432                             String htmlDecode = URLDecoder.decode(url, "UTF-8");\r
 433                             Matcher matcher = pattern.matcher(htmlDecode.substring(12));\r
 434                             if (matcher.matches()) {\r
 435                                 double left = Double.parseDouble(matcher.group(1));\r
 436                                 double top = Double.parseDouble(matcher.group(2));\r
 437                                 double width = Double.parseDouble(matcher.group(3));\r
 438                                 double height = Double.parseDouble(matcher.group(4));\r
 439                                 onHighlight((int) (UiUtil.convertDpToPixel((float) left,\r
 440                                         getActivity())),\r
 441                                         (int) (UiUtil.convertDpToPixel((float) top,\r
 442                                                 getActivity())),\r
 443                                         (int) (UiUtil.convertDpToPixel((float) width,\r
 444                                                 getActivity())),\r
 445                                         (int) (UiUtil.convertDpToPixel((float) height,\r
 446                                                 getActivity())));\r
 447                             }\r
 448                         } catch (UnsupportedEncodingException e) {\r
 449                             Log.d(TAG, e.getMessage());\r
 450                         }\r
 451                     } else {\r
 452                         if (url.contains("storage")) {\r
 453                             mActivityCallback.setPagerToPosition(url);\r
 454                         } else if (url.endsWith(".xhtml") || url.endsWith(".html") || url.contains(".xhtml#") || url.contains(".html#")) {\r
 455                             mActivityCallback.goToChapter(url);\r
 456                         } else {\r
 457                             // Otherwise, give the default behavior (open in browser)\r
 458                             Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));\r
 459                             startActivity(intent);\r
 460                         }\r
 461                     }\r
 462                 }\r
 463                 return true;\r
 464             }\r
 465 \r
 466 \r
 467             // prevent favicon.ico to be loaded automatically\r
 468             @Override\r
 469             public WebResourceResponse shouldInterceptRequest(WebView view, String url) {\r
 470                 if(url.toLowerCase().contains("/favicon.ico")) {\r
 471                     try {\r
 472                         return new WebResourceResponse("image/png", null, null);\r
 473                     } catch (Exception e) {\r
 474                         Log.e(TAG, "shouldInterceptRequest failed", e);\r
 475                     }\r
 476                 }\r
 477                 return null;\r
 478             }\r
 479 \r
 480             // prevent favicon.ico to be loaded automatically\r
 481             @Override\r
 482             @SuppressLint("NewApi")\r
 483             public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {\r
 484                 if(!request.isForMainFrame() && request.getUrl().getPath().endsWith("/favicon.ico")) {\r
 485                     try {\r
 486                         return new WebResourceResponse("image/png", null, null);\r
 487                     } catch (Exception e) {\r
 488                         Log.e(TAG, "shouldInterceptRequest failed", e);\r
 489                     }\r
 490                 }\r
 491                 return null;\r
 492             }\r
 493         });\r
 494 \r
 495         mWebview.setWebChromeClient(new WebChromeClient() {\r
 496             @Override\r
 497             public void onProgressChanged(WebView view, int progress) {\r
 498 \r
 499                 if (view.getProgress() == 100) {\r
 500                     mWebview.postDelayed(new Runnable() {\r
 501                         @Override\r
 502                         public void run() {\r
 503                             Log.d("scroll y", "Scrolly" + mScrollY);\r
 504                             mWebview.scrollTo(0, mScrollY);\r
 505                         }\r
 506                     }, 100);\r
 507                 }\r
 508             }\r
 509 \r
 510             @Override\r
 511             public boolean onJsAlert(WebView view, String url, String message, JsResult result) {\r
 512                 if (FolioPageFragment.this.isVisible()) {\r
 513                     String rangyPattern = "\\d+\\$\\d+\\$\\d+\\$\\w+\\$";\r
 514                     Pattern pattern = Pattern.compile(rangyPattern);\r
 515                     Matcher matcher = pattern.matcher(message);\r
 516                     if (matcher.matches()) {\r
 517                         HighlightImpl highlightImpl = HighLightTable.getHighlightForRangy(message);\r
 518                         if (HighLightTable.deleteHighlight(message)) {\r
 519                             String rangy = HighlightUtil.generateRangyString(getPageName());\r
 520                             loadRangy(view, rangy);\r
 521                            // mTextSelectionSupport.endSelectionMode();\r
 522                             if (highlightImpl != null) {\r
 523                                 HighlightUtil.sendHighlightBroadcastEvent(\r
 524                                         FolioPageFragment.this.getActivity().getApplicationContext(),\r
 525                                         highlightImpl,\r
 526                                         HighLight.HighLightAction.DELETE);\r
 527                             }\r
 528                         }\r
 529                     } else if (TextUtils.isDigitsOnly(message)) {\r
 530                         mTotalMinutes = Integer.parseInt(message);\r
 531                     } else {\r
 532                         pattern = Pattern.compile(getString(R.string.pattern));\r
 533                         matcher = pattern.matcher(message);\r
 534                         if (matcher.matches()) {\r
 535                             double left = Double.parseDouble(matcher.group(1));\r
 536                             double top = Double.parseDouble(matcher.group(2));\r
 537                             double width = Double.parseDouble(matcher.group(3));\r
 538                             double height = Double.parseDouble(matcher.group(4));\r
 539                             showTextSelectionMenu((int) (UiUtil.convertDpToPixel((float) left,\r
 540                                     getActivity())),\r
 541                                     (int) (UiUtil.convertDpToPixel((float) top,\r
 542                                             getActivity())),\r
 543                                     (int) (UiUtil.convertDpToPixel((float) width,\r
 544                                             getActivity())),\r
 545                                     (int) (UiUtil.convertDpToPixel((float) height,\r
 546                                             getActivity())));\r
 547                         } else {\r
 548                             // to handle TTS playback when highlight is deleted.\r
 549                             Pattern p = Pattern.compile("[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}");\r
 550                             if (!p.matcher(message).matches() && (!message.equals("undefined")) && isCurrentFragment()) {\r
 551                                 mediaController.speakAudio(message);\r
 552                             }\r
 553                         }\r
 554                     }\r
 555                     result.confirm();\r
 556                 }\r
 557                 return true;\r
 558             }\r
 559         });\r
 560 \r
 561 //        mTextSelectionSupport = TextSelectionSupport.support(getActivity(), mWebview);\r
 562 //        mTextSelectionSupport.setSelectionListener(new TextSelectionSupport.SelectionListener() {\r
 563 //            @Override\r
 564 //            public void startSelection() {\r
 565 //            }\r
 566 //\r
 567 //            @Override\r
 568 //            public void selectionChanged(String text) {\r
 569 //                mSelectedText = text;\r
 570 //                getActivity().runOnUiThread(new Runnable() {\r
 571 //                    @Override\r
 572 //                    public void run() {\r
 573 //                        mWebview.loadUrl("javascript:alert(getRectForSelectedText())");\r
 574 //                    }\r
 575 //                });\r
 576 //            }\r
 577 //\r
 578 //            @Override\r
 579 //            public void endSelection() {\r
 580 //\r
 581 //            }\r
 582 //        });\r
 583 \r
 584         mWebview.getSettings().setDefaultTextEncodingName("utf-8");\r
 585         mWebview.setOnLongClickListener(new View.OnLongClickListener() {\r
 586             @Override\r
 587             public boolean onLongClick(View v) {\r
 588                 return true;\r
 589             }\r
 590         });\r
 591         mWebview.setLongClickable(false);\r
 592         mWebview.setHapticFeedbackEnabled(false);\r
 593         new HtmlTask(this).execute(getWebviewUrl());\r
 594     }\r
 595 \r
 596     private void loadRangy(WebView view, String rangy) {\r
 597         view.loadUrl(String.format("javascript:if(typeof ssReader !== \"undefined\"){ssReader.setHighlights('%s');}", rangy));\r
 598     }\r
 599 \r
 600     private void setupScrollBar() {\r
 601         UiUtil.setColorToImage(getActivity(), mConfig.getThemeColor(), mScrollSeekbar.getProgressDrawable());\r
 602         Drawable thumbDrawable = ContextCompat.getDrawable(getActivity(), R.drawable.icons_sroll);\r
 603         UiUtil.setColorToImage(getActivity(), mConfig.getThemeColor(), (thumbDrawable));\r
 604         mScrollSeekbar.setThumb(thumbDrawable);\r
 605     }\r
 606 \r
 607     private void initSeekbar() {\r
 608         mScrollSeekbar = (VerticalSeekbar) mRootView.findViewById(R.id.scrollSeekbar);\r
 609         mScrollSeekbar.getProgressDrawable()\r
 610                 .setColorFilter(getResources()\r
 611                                 .getColor(R.color.app_green),\r
 612                         PorterDuff.Mode.SRC_IN);\r
 613     }\r
 614 \r
 615     private void updatePagesLeftTextBg() {\r
 616 \r
 617         if (mConfig.isNightMode()) {\r
 618             mRootView.findViewById(R.id.indicatorLayout)\r
 619                     .setBackgroundColor(getResources().getColor(R.color.dark_night));\r
 620         } else {\r
 621             mRootView.findViewById(R.id.indicatorLayout)\r
 622                     .setBackgroundColor(Color.WHITE);\r
 623         }\r
 624     }\r
 625 \r
 626     private void updatePagesLeftText(int scrollY) {\r
 627         try {\r
 628             int currentPage = (int) (Math.ceil((double) scrollY / mWebview.getWebViewHeight()) + 1);\r
 629             int totalPages =\r
 630                     (int) Math.ceil((double) mWebview.getContentHeightVal()\r
 631                             / mWebview.getWebViewHeight());\r
 632             int pagesRemaining = totalPages - currentPage;\r
 633             String pagesRemainingStrFormat =\r
 634                     pagesRemaining > 1 ?\r
 635                             getString(R.string.pages_left) : getString(R.string.page_left);\r
 636             String pagesRemainingStr = String.format(Locale.US,\r
 637                     pagesRemainingStrFormat, pagesRemaining);\r
 638 \r
 639             int minutesRemaining =\r
 640                     (int) Math.ceil((double) (pagesRemaining * mTotalMinutes) / totalPages);\r
 641             String minutesRemainingStr;\r
 642             if (minutesRemaining > 1) {\r
 643                 minutesRemainingStr =\r
 644                         String.format(Locale.US, getString(R.string.minutes_left),\r
 645                                 minutesRemaining);\r
 646             } else if (minutesRemaining == 1) {\r
 647                 minutesRemainingStr =\r
 648                         String.format(Locale.US, getString(R.string.minute_left),\r
 649                                 minutesRemaining);\r
 650             } else {\r
 651                 minutesRemainingStr = getString(R.string.less_than_minute);\r
 652             }\r
 653 \r
 654             mMinutesLeftTextView.setText(minutesRemainingStr);\r
 655             mPagesLeftTextView.setText(pagesRemainingStr);\r
 656         } catch (java.lang.ArithmeticException exp) {\r
 657             Log.d("divide error", exp.toString());\r
 658         }\r
 659     }\r
 660 \r
 661     private void initAnimations() {\r
 662         mFadeInAnimation = AnimationUtils.loadAnimation(getActivity(), R.anim.fadein);\r
 663         mFadeInAnimation.setAnimationListener(new Animation.AnimationListener() {\r
 664             @Override\r
 665             public void onAnimationStart(Animation animation) {\r
 666                 mScrollSeekbar.setVisibility(View.VISIBLE);\r
 667             }\r
 668 \r
 669             @Override\r
 670             public void onAnimationEnd(Animation animation) {\r
 671                 fadeOutSeekBarIfVisible();\r
 672             }\r
 673 \r
 674             @Override\r
 675             public void onAnimationRepeat(Animation animation) {\r
 676 \r
 677             }\r
 678         });\r
 679         mFadeOutAnimation = AnimationUtils.loadAnimation(getActivity(), R.anim.fadeout);\r
 680         mFadeOutAnimation.setAnimationListener(new Animation.AnimationListener() {\r
 681             @Override\r
 682             public void onAnimationStart(Animation animation) {\r
 683 \r
 684             }\r
 685 \r
 686             @Override\r
 687             public void onAnimationEnd(Animation animation) {\r
 688                 mScrollSeekbar.setVisibility(View.INVISIBLE);\r
 689             }\r
 690 \r
 691             @Override\r
 692             public void onAnimationRepeat(Animation animation) {\r
 693 \r
 694             }\r
 695         });\r
 696     }\r
 697 \r
 698     public void fadeInSeekBarIfInvisible() {\r
 699         if (mScrollSeekbar.getVisibility() == View.INVISIBLE ||\r
 700                 mScrollSeekbar.getVisibility() == View.GONE) {\r
 701             mScrollSeekbar.startAnimation(mFadeInAnimation);\r
 702         }\r
 703     }\r
 704 \r
 705     public void fadeOutSeekBarIfVisible() {\r
 706         if (mScrollSeekbar.getVisibility() == View.VISIBLE) {\r
 707             mScrollSeekbar.startAnimation(mFadeOutAnimation);\r
 708         }\r
 709     }\r
 710 \r
 711     @Override\r
 712     public void onDestroyView() {\r
 713         mFadeInAnimation.setAnimationListener(null);\r
 714         mFadeOutAnimation.setAnimationListener(null);\r
 715 \r
 716         Activity activity = getActivity();\r
 717         if (activity instanceof BusOwner)\r
 718             ((BusOwner) activity).getBus().unregister(this);\r
 719         super.onDestroyView();\r
 720     }\r
 721 \r
 722     @Override\r
 723     public void onSaveInstanceState(Bundle outState) {\r
 724         super.onSaveInstanceState(outState);\r
 725         outState.putInt(KEY_FRAGMENT_FOLIO_POSITION, mPosition);\r
 726         outState.putString(KEY_FRAGMENT_FOLIO_BOOK_TITLE, mBookTitle);\r
 727         outState.putString(KEY_FRAGMENT_EPUB_FILE_NAME, mEpubFileName);\r
 728         outState.putSerializable(SPINE_ITEM, spineItem);\r
 729     }\r
 730 \r
 731     public void highlight(HighlightImpl.HighlightStyle style, boolean isCreated) {\r
 732         if (isCreated) {\r
 733             mWebview.loadUrl(String.format("javascript:if(typeof ssReader !== \"undefined\"){ssReader.highlightSelection('%s');}", HighlightImpl.HighlightStyle.classForStyle(style)));\r
 734         } else {\r
 735             mWebview.loadUrl(String.format("javascript:alert(setHighlightStyle('%s'))", "highlight_" + HighlightImpl.HighlightStyle.classForStyle(style)));\r
 736         }\r
 737     }\r
 738 \r
 739     public void highlightRemove() {\r
 740         mWebview.loadUrl("javascript:alert(removeThisHighlight())");\r
 741     }\r
 742 \r
 743     public void showTextSelectionMenu(int x, int y, final int width, final int height) {\r
 744         final ViewGroup root =\r
 745                 (ViewGroup) getActivity().getWindow()\r
 746                         .getDecorView().findViewById(android.R.id.content);\r
 747         final View view = new View(getActivity());\r
 748         view.setLayoutParams(new ViewGroup.LayoutParams(width, height));\r
 749         view.setBackgroundColor(Color.TRANSPARENT);\r
 750 \r
 751         root.addView(view);\r
 752 \r
 753         view.setX(x);\r
 754         view.setY(y);\r
 755         final QuickAction quickAction =\r
 756                 new QuickAction(getActivity(), QuickAction.HORIZONTAL);\r
 757         quickAction.addActionItem(new ActionItem(ACTION_ID_COPY,\r
 758                 getString(R.string.copy)));\r
 759         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT,\r
 760                 getString(R.string.highlight)));\r
 761         if (!mSelectedText.trim().contains(" ")) {\r
 762             quickAction.addActionItem(new ActionItem(ACTION_ID_DEFINE,\r
 763                     getString(R.string.define)));\r
 764         }\r
 765         quickAction.addActionItem(new ActionItem(ACTION_ID_SHARE,\r
 766                 getString(R.string.share)));\r
 767         quickAction.setOnActionItemClickListener(new QuickAction.OnActionItemClickListener() {\r
 768             @Override\r
 769             public void onItemClick(QuickAction source, int pos, int actionId) {\r
 770                 quickAction.dismiss();\r
 771                 root.removeView(view);\r
 772                 onTextSelectionActionItemClicked(actionId, view, width, height);\r
 773             }\r
 774         });\r
 775         quickAction.show(view, width, height);\r
 776     }\r
 777 \r
 778     private void onTextSelectionActionItemClicked(int actionId, View view, int width, int height) {\r
 779         if (actionId == ACTION_ID_COPY) {\r
 780             UiUtil.copyToClipboard(getActivity(), mSelectedText);\r
 781             Toast.makeText(getActivity(), getString(R.string.copied), Toast.LENGTH_SHORT).show();\r
 782             mTextSelectionSupport.endSelectionMode();\r
 783         } else if (actionId == ACTION_ID_SHARE) {\r
 784             UiUtil.share(getActivity(), mSelectedText);\r
 785         } else if (actionId == ACTION_ID_DEFINE) {\r
 786             showDictDialog(mSelectedText);\r
 787             mTextSelectionSupport.endSelectionMode();\r
 788         } else if (actionId == ACTION_ID_HIGHLIGHT) {\r
 789             onHighlight(view, width, height, true);\r
 790         }\r
 791     }\r
 792 \r
 793     private void showDictDialog(String mSelectedText) {\r
 794         DictionaryFragment dictionaryFragment = new DictionaryFragment();\r
 795         Bundle b = new Bundle();\r
 796         b.putString(Constants.SELECTED_WORD, mSelectedText);\r
 797         dictionaryFragment.setArguments(b);\r
 798         dictionaryFragment.show(getFragmentManager(), DictionaryFragment.class.getName());\r
 799     }\r
 800 \r
 801     private void onHighlight(int x, int y, int width, int height) {\r
 802         final View view = new View(getActivity());\r
 803         view.setLayoutParams(new ViewGroup.LayoutParams(width, height));\r
 804         view.setBackgroundColor(Color.TRANSPARENT);\r
 805         view.setX(x);\r
 806         view.setY(y);\r
 807         onHighlight(view, width, height, false);\r
 808     }\r
 809 \r
 810     private void onHighlight(final View view, int width, int height, final boolean isCreated) {\r
 811         ViewGroup root =\r
 812                 (ViewGroup) getActivity().getWindow().\r
 813                         getDecorView().findViewById(android.R.id.content);\r
 814         ViewGroup parent = (ViewGroup) view.getParent();\r
 815         if (parent == null) {\r
 816             root.addView(view);\r
 817         } else {\r
 818             final int index = parent.indexOfChild(view);\r
 819             parent.removeView(view);\r
 820             parent.addView(view, index);\r
 821         }\r
 822 \r
 823         final QuickAction quickAction = new QuickAction(getActivity(), QuickAction.HORIZONTAL);\r
 824         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_COLOR,\r
 825                 getResources().getDrawable(R.drawable.colors_marker)));\r
 826         quickAction.addActionItem(new ActionItem(ACTION_ID_DELETE,\r
 827                 getResources().getDrawable(R.drawable.ic_action_discard)));\r
 828         quickAction.addActionItem(new ActionItem(ACTION_ID_SHARE,\r
 829                 getResources().getDrawable(R.drawable.ic_action_share)));\r
 830         final ViewGroup finalRoot = root;\r
 831         quickAction.setOnActionItemClickListener(new QuickAction.OnActionItemClickListener() {\r
 832             @Override\r
 833             public void onItemClick(QuickAction source, int pos, int actionId) {\r
 834                 quickAction.dismiss();\r
 835                 finalRoot.removeView(view);\r
 836                 onHighlightActionItemClicked(actionId, view, isCreated);\r
 837             }\r
 838         });\r
 839         quickAction.show(view, width, height);\r
 840     }\r
 841 \r
 842     private void onHighlightActionItemClicked(int actionId, View view, boolean isCreated) {\r
 843         if (actionId == ACTION_ID_HIGHLIGHT_COLOR) {\r
 844             onHighlightColors(view, isCreated);\r
 845         } else if (actionId == ACTION_ID_SHARE) {\r
 846             UiUtil.share(getActivity(), mSelectedText);\r
 847             mTextSelectionSupport.endSelectionMode();\r
 848         } else if (actionId == ACTION_ID_DELETE) {\r
 849             highlightRemove();\r
 850         }\r
 851     }\r
 852 \r
 853     private void onHighlightColors(final View view, final boolean isCreated) {\r
 854         ViewGroup root =\r
 855                 (ViewGroup) getActivity().getWindow()\r
 856                         .getDecorView().findViewById(android.R.id.content);\r
 857         ViewGroup parent = (ViewGroup) view.getParent();\r
 858         if (parent == null) {\r
 859             root.addView(view);\r
 860         } else {\r
 861             final int index = parent.indexOfChild(view);\r
 862             parent.removeView(view);\r
 863             parent.addView(view, index);\r
 864         }\r
 865 \r
 866         final QuickAction quickAction = new QuickAction(getActivity(), QuickAction.HORIZONTAL);\r
 867         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_YELLOW,\r
 868                 getResources().getDrawable(R.drawable.ic_yellow_marker)));\r
 869         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_GREEN,\r
 870                 getResources().getDrawable(R.drawable.ic_green_marker)));\r
 871         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_BLUE,\r
 872                 getResources().getDrawable(R.drawable.ic_blue_marker)));\r
 873         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_PINK,\r
 874                 getResources().getDrawable(R.drawable.ic_pink_marker)));\r
 875         quickAction.addActionItem(new ActionItem(ACTION_ID_HIGHLIGHT_UNDERLINE,\r
 876                 getResources().getDrawable(R.drawable.ic_underline_marker)));\r
 877         final ViewGroup finalRoot = root;\r
 878         quickAction.setOnActionItemClickListener(new QuickAction.OnActionItemClickListener() {\r
 879             @Override\r
 880             public void onItemClick(QuickAction source, int pos, int actionId) {\r
 881                 quickAction.dismiss();\r
 882                 finalRoot.removeView(view);\r
 883                 onHighlightColorsActionItemClicked(actionId, view, isCreated);\r
 884             }\r
 885         });\r
 886         quickAction.show(view);\r
 887     }\r
 888 \r
 889     private void onHighlightColorsActionItemClicked(int actionId, View view, boolean isCreated) {\r
 890         if (actionId == ACTION_ID_HIGHLIGHT_YELLOW) {\r
 891             highlight(HighlightImpl.HighlightStyle.Yellow, isCreated);\r
 892         } else if (actionId == ACTION_ID_HIGHLIGHT_GREEN) {\r
 893             highlight(HighlightImpl.HighlightStyle.Green, isCreated);\r
 894         } else if (actionId == ACTION_ID_HIGHLIGHT_BLUE) {\r
 895             highlight(HighlightImpl.HighlightStyle.Blue, isCreated);\r
 896         } else if (actionId == ACTION_ID_HIGHLIGHT_PINK) {\r
 897             highlight(HighlightImpl.HighlightStyle.Pink, isCreated);\r
 898         } else if (actionId == ACTION_ID_HIGHLIGHT_UNDERLINE) {\r
 899             highlight(HighlightImpl.HighlightStyle.Underline, isCreated);\r
 900         }\r
 901         mTextSelectionSupport.endSelectionMode();\r
 902     }\r
 903 \r
 904     @Override\r
 905     public void resetCurrentIndex() {\r
 906         if (isCurrentFragment()) {\r
 907             mWebview.loadUrl("javascript:alert(rewindCurrentIndex())");\r
 908         }\r
 909     }\r
 910 \r
 911     @SuppressWarnings("unused")\r
 912     @JavascriptInterface\r
 913     public void onReceiveHighlights(String html) {\r
 914         if (html != null) {\r
 915             rangy = HighlightUtil.createHighlightRangy(getActivity().getApplicationContext(),\r
 916                     html,\r
 917                     mBookId,\r
 918                     getPageName(),\r
 919                     mPosition,\r
 920                     rangy);\r
 921         }\r
 922     }\r
 923 \r
 924     private String getPageName() {\r
 925         return mBookTitle + "$" + spineItem.href;\r
 926     }\r
 927 \r
 928     @SuppressWarnings("unused")\r
 929     @Subscribe\r
 930     public void setWebView(final WebViewPosition position) {\r
 931         if (position.getHref().equals(spineItem.href) && isAdded()) {\r
 932             highlightId = position.getHighlightId();\r
 933 \r
 934             if (mWebview.getContentHeight() > 0) {\r
 935                 scrollToHighlightId();\r
 936                 //Webview.loadUrl(String.format(getString(R.string.goto_highlight), highlightId));\r
 937             }\r
 938         }\r
 939     }\r
 940 \r
 941     public void setWebViewPosition(final int position) {\r
 942         mWebview.post(new Runnable() {\r
 943             @Override\r
 944             public void run() {\r
 945                 if (isAdded()) {\r
 946                     mWebview.scrollTo(0, position);\r
 947                 }\r
 948             }\r
 949         });\r
 950     }\r
 951 \r
 952     @Override\r
 953     public void highLightText(String fragmentId) {\r
 954         mWebview.loadUrl(String.format(getString(R.string.audio_mark_id), fragmentId));\r
 955     }\r
 956 \r
 957     @Override\r
 958     public void highLightTTS() {\r
 959         mWebview.loadUrl("javascript:alert(getSentenceWithIndex('epub-media-overlay-playing'))");\r
 960     }\r
 961 \r
 962     @JavascriptInterface\r
 963     public void getUpdatedHighlightId(String id, String style) {\r
 964         if (id != null) {\r
 965             HighlightImpl highlightImpl = HighLightTable.updateHighlightStyle(id, style);\r
 966             if (highlightImpl != null) {\r
 967                 HighlightUtil.sendHighlightBroadcastEvent(\r
 968                         getActivity().getApplicationContext(),\r
 969                         highlightImpl,\r
 970                         HighLight.HighLightAction.MODIFY);\r
 971             }\r
 972             final String rangyString = HighlightUtil.generateRangyString(getPageName());\r
 973             getActivity().runOnUiThread(new Runnable() {\r
 974                 public void run() {\r
 975                     loadRangy(mWebview, rangyString);\r
 976                 }\r
 977             });\r
 978 \r
 979         }\r
 980     }\r
 981 \r
 982     @Subscribe\r
 983     public void resetCurrentIndex(RewindIndexEvent resetIndex) {\r
 984         if (isCurrentFragment()) {\r
 985             mWebview.loadUrl("javascript:alert(rewindCurrentIndex())");\r
 986         }\r
 987     }\r
 988 \r
 989     @Override\r
 990     public void onDestroy() {\r
 991         super.onDestroy();\r
 992         if (mWebview != null) mWebview.destroy();\r
 993     }\r
 994 \r
 995     private boolean isCurrentFragment() {\r
 996         return isAdded() && ((FolioActivity) getActivity()).getmChapterPosition() == mPos;\r
 997     }\r
 998 \r
 999     public void setFragmentPos(int pos) {\r
1000         mPos = pos;\r
1001     }\r
1002 \r
1003     @Override\r
1004     public void onError() {\r
1005     }\r
1006 \r
1007     private void scrollToHighlightId() {\r
1008         mWebview.loadUrl(String.format(getString(R.string.goto_highlight), highlightId));\r
1009     }\r
1010 }\r