private CharSequence applySpans(CharSequence text, int offset) { List<HighLight> highLights = highlightManager.getHighLights(bookView.getFileName()); int end = offset + text.length() - 1; for (final HighLight highLight : highLights) { if (highLight.getIndex() == bookView.getIndex() && highLight.getStart() >= offset && highLight.getStart() < end) { LOG.debug( "Got highlight from " + highLight.getStart() + " to " + highLight.getEnd() + " with offset " + offset); int highLightEnd = Math.min(end, highLight.getEnd()); ((Spannable) text) .setSpan( new HighlightSpan(highLight), highLight.getStart() - offset, highLightEnd - offset, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } } return text; }
public static CharSequence getHtmlText(String text) { // fixes an android bug (?): text layout fails on text with nested style tags text = removeNestedTags(text, new String[] {"i", "b", "strong"}); final Spanned htmlText = Html.fromHtml(text); if (htmlText.getSpans(0, htmlText.length(), URLSpan.class).length == 0) { return htmlText; } final Spannable newHtmlText = Spannable.Factory.getInstance().newSpannable(htmlText); for (URLSpan span : newHtmlText.getSpans(0, newHtmlText.length(), URLSpan.class)) { final int start = newHtmlText.getSpanStart(span); final int end = newHtmlText.getSpanEnd(span); final int flags = newHtmlText.getSpanFlags(span); final String url = NetworkLibrary.Instance().rewriteUrl(span.getURL(), true); newHtmlText.removeSpan(span); newHtmlText.setSpan(new URLSpan(url), start, end, flags); } return newHtmlText; }
private static void fixLinks(Spannable spannable) { for (URLSpan span : spannable.getSpans(0, spannable.length(), URLSpan.class)) { final String url = span.getURL(); int start = spannable.getSpanStart(span); int end = spannable.getSpanEnd(span); int flags = spannable.getSpanFlags(span); URLSpan newSpan = new URLSpan(url) { @Override public void updateDrawState(TextPaint paramTextPaint) { super.updateDrawState(paramTextPaint); paramTextPaint.setUnderlineText(false); paramTextPaint.setColor(0xff006FC8); } }; spannable.removeSpan(span); spannable.setSpan(newSpan, start, end, flags); } }
/** * If a translator has messed up the edges of paragraph-level markup, fix it to actually cover the * entire paragraph that it is attached to instead of just whatever range they put it on. */ private static void addParagraphSpan(Spannable buffer, Object what, int start, int end) { int len = buffer.length(); if (start != 0 && start != len && buffer.charAt(start - 1) != '\n') { for (start--; start > 0; start--) { if (buffer.charAt(start - 1) == '\n') { break; } } } if (end != 0 && end != len && buffer.charAt(end - 1) != '\n') { for (end++; end < len; end++) { if (buffer.charAt(end - 1) == '\n') { break; } } } buffer.setSpan(what, start, end, Spannable.SPAN_PARAGRAPH); }
/** * Start selecting text. * * @hide pending API review */ public static void startSelecting(View view, Spannable content) { content.setSpan(SELECTING, 0, 0, PRESSED); }
private static void adjust(Spannable content, Object what) { int current = content.getSpanFlags(what); if (current == PRESSED) content.setSpan(what, 0, 0, USED); else if (current == RELEASED) content.removeSpan(what); }
/** * Make a layout for the transformed text (password transformation being the primary example of a * transformation) that will be updated as the base text is changed. If ellipsize is non-null, the * Layout will ellipsize the text down to ellipsizedWidth. * *@hide */ public DynamicLayout( CharSequence base, CharSequence display, TextPaint paint, int width, Alignment align, TextDirectionHeuristic textDir, float spacingmult, float spacingadd, boolean includepad, TextUtils.TruncateAt ellipsize, int ellipsizedWidth) { super( (ellipsize == null) ? display : (display instanceof Spanned) ? new SpannedEllipsizer(display) : new Ellipsizer(display), paint, width, align, textDir, spacingmult, spacingadd); mBase = base; mDisplay = display; if (ellipsize != null) { mInts = new PackedIntVector(COLUMNS_ELLIPSIZE); mEllipsizedWidth = ellipsizedWidth; mEllipsizeAt = ellipsize; } else { mInts = new PackedIntVector(COLUMNS_NORMAL); mEllipsizedWidth = width; mEllipsizeAt = null; } mObjects = new PackedObjectVector<Directions>(1); mIncludePad = includepad; /* * This is annoying, but we can't refer to the layout until * superclass construction is finished, and the superclass * constructor wants the reference to the display text. * * This will break if the superclass constructor ever actually * cares about the content instead of just holding the reference. */ if (ellipsize != null) { Ellipsizer e = (Ellipsizer) getText(); e.mLayout = this; e.mWidth = ellipsizedWidth; e.mMethod = ellipsize; mEllipsize = true; } // Initial state is a single line with 0 characters (0 to 0), // with top at 0 and bottom at whatever is natural, and // undefined ellipsis. int[] start; if (ellipsize != null) { start = new int[COLUMNS_ELLIPSIZE]; start[ELLIPSIS_START] = ELLIPSIS_UNDEFINED; } else { start = new int[COLUMNS_NORMAL]; } Directions[] dirs = new Directions[] {DIRS_ALL_LEFT_TO_RIGHT}; Paint.FontMetricsInt fm = paint.getFontMetricsInt(); int asc = fm.ascent; int desc = fm.descent; start[DIR] = DIR_LEFT_TO_RIGHT << DIR_SHIFT; start[TOP] = 0; start[DESCENT] = desc; mInts.insertAt(0, start); start[TOP] = desc - asc; mInts.insertAt(1, start); mObjects.insertAt(0, dirs); // Update from 0 characters to whatever the real text is reflow(base, 0, 0, base.length()); if (base instanceof Spannable) { if (mWatcher == null) mWatcher = new ChangeWatcher(this); // Strip out any watchers for other DynamicLayouts. Spannable sp = (Spannable) base; ChangeWatcher[] spans = sp.getSpans(0, sp.length(), ChangeWatcher.class); for (int i = 0; i < spans.length; i++) sp.removeSpan(spans[i]); sp.setSpan( mWatcher, 0, base.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE | (PRIORITY << Spannable.SPAN_PRIORITY_SHIFT)); } }
public void build(DialogWireframe description, int w, int h, TelegramApplication application) { layoutH = h; layoutW = w; if (description.getPeerType() == PeerType.PEER_USER) { if (description.getPeerId() == 333000) { isHighlighted = false; } else { User user = description.getDialogUser(); isHighlighted = user.getLinkType() == LinkType.FOREIGN; } isGroup = false; isEncrypted = false; } else if (description.getPeerType() == PeerType.PEER_CHAT) { isHighlighted = false; isGroup = true; isEncrypted = false; } else if (description.getPeerType() == PeerType.PEER_USER_ENCRYPTED) { isHighlighted = false; isGroup = false; isEncrypted = true; } isBodyHighlighted = description.getContentType() != ContentType.MESSAGE_TEXT; if (description.getUnreadCount() != 0 && !description.isMine()) { isUnreadIn = true; } else { isUnreadIn = false; } time = org.telegram.android.ui.TextUtil.formatDate(description.getDate(), application); isRtl = application.isRTL(); if (IS_LARGE) { layoutAvatarWidth = px(64); layoutPadding = application.getResources().getDimensionPixelSize(R.dimen.dialogs_padding); layoutBodyPadding = layoutAvatarWidth + layoutPadding + px(12); layoutAvatarTop = px(8); layoutTitleTop = px(34); layoutMainTop = px(60); layoutTimeTop = px(34); layoutMarkTop = px(44); layoutMarkBottom = layoutMarkTop + px(22); layoutMarkTextTop = layoutMarkTop + px(18); } else { layoutAvatarWidth = px(54); layoutPadding = application.getResources().getDimensionPixelSize(R.dimen.dialogs_padding); layoutBodyPadding = layoutAvatarWidth + layoutPadding + px(12); layoutAvatarTop = px(8); layoutTitleTop = px(30); layoutMainTop = px(54); layoutTimeTop = px(30); layoutMarkTop = px(38); layoutMarkBottom = layoutMarkTop + px(22); layoutMarkTextTop = layoutMarkTop + px(18); } layoutMainContentTop = (int) (layoutMainTop + bodyPaint.getFontMetrics().ascent); layoutTitleLayoutTop = (int) (layoutTitleTop + titlePaint.getFontMetrics().ascent); layoutStateTop = layoutTimeTop - px(10); layoutClockTop = layoutTimeTop - px(12); layoutEncryptedTop = layoutTimeTop - px(14); if (isRtl) { layoutAvatarLeft = w - layoutPadding - layoutAvatarWidth; } else { layoutAvatarLeft = layoutPadding; } int timeWidth = (int) unreadClockPaint.measureText(time); if (isRtl) { layoutTimeLeft = layoutPadding; layoutStateLeftDouble = layoutPadding + timeWidth + px(2); layoutStateLeft = layoutStateLeftDouble + px(6); layoutClockLeft = layoutPadding + timeWidth + px(2); } else { layoutTimeLeft = w - layoutPadding - timeWidth; layoutClockLeft = w - layoutPadding - timeWidth - px(14); layoutStateLeft = w - layoutPadding - timeWidth - px(16); layoutStateLeftDouble = w - layoutPadding - timeWidth - px(6 + 16); } layoutMarkRadius = px(2); if (description.isErrorState() || (description.getMessageState() == MessageState.FAILURE && description.isMine())) { layoutMarkWidth = px(22); if (isRtl) { layoutMarkLeft = layoutPadding; // getMeasuredWidth() - layoutMarkWidth - getPx(80); } else { layoutMarkLeft = w - layoutMarkWidth - layoutPadding; } } else { if (description.getUnreadCount() > 0) { if (description.getUnreadCount() >= 1000) { unreadCountText = I18nUtil.getInstance().correctFormatNumber(description.getUnreadCount() / 1000) + "K"; } else { unreadCountText = I18nUtil.getInstance().correctFormatNumber(description.getUnreadCount()); } int width = (int) counterTitlePaint.measureText(unreadCountText); Rect r = new Rect(); counterTitlePaint.getTextBounds(unreadCountText, 0, unreadCountText.length(), r); layoutMarkTextTop = layoutMarkTop + (layoutMarkBottom - layoutMarkTop + r.top) / 2 - r.top; if (width < px(22 - 14)) { layoutMarkWidth = px(22); } else { layoutMarkWidth = px(14) + width; } layoutMarkTextLeft = (layoutMarkWidth - width) / 2; if (isRtl) { layoutMarkLeft = layoutPadding; // getMeasuredWidth() - layoutMarkWidth - getPx(80); } else { layoutMarkLeft = w - layoutMarkWidth - layoutPadding; } } else { layoutMarkLeft = 0; layoutMarkWidth = 0; } } layoutMarkRect.set( layoutMarkLeft, layoutMarkTop, layoutMarkLeft + layoutMarkWidth, layoutMarkBottom); if (description.getPeerType() == PeerType.PEER_USER_ENCRYPTED) { if (isRtl) { if (description.isMine()) { layoutTitleLeft = timeWidth + px(16) + px(16); } else { layoutTitleLeft = timeWidth + px(12); } layoutTitleWidth = w - layoutTitleLeft - layoutBodyPadding - px(14) - px(6); layoutEncryptedLeft = w - layoutBodyPadding - px(12); } else { layoutTitleLeft = layoutBodyPadding + px(16); if (description.isMine()) { layoutTitleWidth = w - layoutTitleLeft - timeWidth - px(24); } else { layoutTitleWidth = w - layoutTitleLeft - timeWidth - px(12); } layoutEncryptedLeft = layoutBodyPadding + px(2); } } else { if (isRtl) { if (description.isMine()) { layoutTitleLeft = timeWidth + px(16) + px(16); } else { layoutTitleLeft = timeWidth + px(12); } layoutTitleWidth = w - layoutTitleLeft - layoutBodyPadding; } else { layoutTitleLeft = layoutBodyPadding; if (description.isMine()) { layoutTitleWidth = w - layoutTitleLeft - timeWidth - px(24) - px(12); } else { layoutTitleWidth = w - layoutTitleLeft - timeWidth - px(12); } } } layoutMainWidth = w - layoutBodyPadding - layoutPadding; if (isRtl) { layoutMainLeft = w - layoutMainWidth - layoutBodyPadding; if (layoutMarkWidth != 0) { layoutMainLeft += layoutMarkWidth + px(8); layoutMainWidth -= layoutMarkWidth + px(8); } } else { layoutMainLeft = layoutBodyPadding; if (layoutMarkWidth != 0) { layoutMainWidth -= layoutMarkWidth + px(8); } } avatarRect.set( layoutAvatarLeft, layoutAvatarTop, layoutAvatarLeft + layoutAvatarWidth, layoutAvatarTop + layoutAvatarWidth); // Building text layouts { String message = description.getMessage(); if (message.length() > 150) { message = message.substring(0, 150) + "..."; } message = message.replace("\n", " "); TextPaint bodyTextPaint; if (isBodyHighlighted) { bodyTextPaint = bodyHighlightPaint; } else { if (HIGHLIGHT_UNDEAD) { if (isUnreadIn) { bodyTextPaint = bodyUnreadPaint; } else { bodyTextPaint = bodyPaint; } } else { bodyTextPaint = bodyPaint; } } int nameLength = 0; if (description.getContentType() != ContentType.MESSAGE_SYSTEM) { if (description.isMine()) { String name = application.getResources().getString(R.string.st_dialog_you); nameLength = BidiFormatter.getInstance().unicodeWrap(name).length(); message = BidiFormatter.getInstance().unicodeWrap(name) + ": " + BidiFormatter.getInstance().unicodeWrap(message); } else { if (isGroup) { User user = description.getSender(); nameLength = BidiFormatter.getInstance().unicodeWrap(user.getFirstName()).length(); message = BidiFormatter.getInstance().unicodeWrap(user.getFirstName().replace("\n", " ")) + ": " + BidiFormatter.getInstance().unicodeWrap(message); } } } String preSequence = TextUtils.ellipsize(message, bodyTextPaint, layoutMainWidth, TextUtils.TruncateAt.END) .toString(); // Spannable sequence = // application.getEmojiProcessor().processEmojiCutMutable(preSequence, // EmojiProcessor.CONFIGURATION_DIALOGS); // if (nameLength != 0) { // sequence.setSpan(new ForegroundColorSpan(HIGHLIGHT_COLOR), 0, // Math.min(nameLength, sequence.length()), Spanned.SPAN_EXCLUSIVE_INCLUSIVE); // } // CharSequence resSequence = TextUtils.ellipsize(sequence, bodyTextPaint, // layoutMainWidth, TextUtils.TruncateAt.END); // bodyLayout = new StaticLayout(resSequence, bodyTextPaint, layoutMainWidth, // Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); // bodyString = null; Spannable sequence = application .getEmojiProcessor() .processEmojiCutMutable(preSequence, EmojiProcessor.CONFIGURATION_DIALOGS); if (nameLength != 0) { sequence.setSpan( new ForegroundColorSpan(HIGHLIGHT_COLOR), 0, Math.min(nameLength, sequence.length()), Spanned.SPAN_EXCLUSIVE_INCLUSIVE); } CharSequence resSequence = TextUtils.ellipsize(sequence, bodyTextPaint, layoutMainWidth, TextUtils.TruncateAt.END); bodyLayout = new StaticLayout( resSequence, bodyTextPaint, layoutMainWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); bodyString = null; // if (EmojiProcessor.containsEmoji(message)) { // Spannable sequence = // application.getEmojiProcessor().processEmojiCutMutable(preSequence, // EmojiProcessor.CONFIGURATION_DIALOGS); // if (nameLength != 0) { // sequence.setSpan(new ForegroundColorSpan(HIGHLIGHT_COLOR), 0, // Math.min(nameLength, sequence.length()), Spanned.SPAN_EXCLUSIVE_INCLUSIVE); // } // // CharSequence resSequence = TextUtils.ellipsize(sequence, // bodyTextPaint, layoutMainWidth, TextUtils.TruncateAt.END); // bodyLayout = new StaticLayout(resSequence, bodyTextPaint, // layoutMainWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); // bodyString = null; // } else { // bodyString = preSequence; // bodyLayout = null; // } } // Title { String title = description.getDialogTitle(); if (title.length() > 150) { title = title.substring(150) + "..."; } title = title.replace("\n", " "); TextPaint paint = isEncrypted ? titleEncryptedPaint : (isHighlighted ? titleHighlightPaint : titlePaint); // Spannable preSequence = // application.getEmojiProcessor().processEmojiCutMutable(title, // EmojiProcessor.CONFIGURATION_DIALOGS); // CharSequence sequence = TextUtils.ellipsize(preSequence, paint, // layoutTitleWidth, TextUtils.TruncateAt.END); // titleLayout = new StaticLayout(sequence, paint, layoutTitleWidth, // Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); // titleString = null; if (EmojiProcessor.containsEmoji(title)) { Spannable preSequence = application .getEmojiProcessor() .processEmojiCutMutable(title, EmojiProcessor.CONFIGURATION_DIALOGS); CharSequence sequence = TextUtils.ellipsize(preSequence, paint, layoutTitleWidth, TextUtils.TruncateAt.END); titleLayout = new StaticLayout( sequence, paint, layoutTitleWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); titleString = null; } else { titleString = TextUtils.ellipsize(title, paint, layoutTitleWidth, TextUtils.TruncateAt.END) .toString(); titleLayout = null; } } // Placeholder placeHolderName = description.getDialogName(); placeHolderColor = Placeholders.getBgColor(description.getPeerId()); if (placeHolderName.length() > 0) { usePlaceholder = true; placeholderLeft = layoutAvatarLeft + layoutAvatarWidth / 2; Rect rect = new Rect(); placeholderTextPaint.getTextBounds(placeHolderName, 0, placeHolderName.length(), rect); placeholderTop = layoutAvatarTop + (layoutAvatarWidth / 2 + ((rect.bottom - rect.top) / 2)); } else { usePlaceholder = false; } }