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);
}
}
/**
* 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));
}
}
private void recomputeSpans(Spannable text) {
spans.clear();
Collections.addAll(spans, text.getSpans(0, text.length(), BubbleSpan.class));
}
private static void removeTimeouts(Spannable buf) {
Timeout[] timeout = buf.getSpans(0, buf.length(), Timeout.class);
for (int i = 0; i < timeout.length; i++) {
Timeout t = timeout[i];
t.removeCallbacks(t);
t.mBuffer = null;
buf.removeSpan(t);
}
}
