private float getMaxLineWidth(Layout layout) {
float max_width = 0.0f;
int lines = layout.getLineCount();
for (int i = 0; i < lines; i++) {
if (layout.getLineWidth(i) > max_width) {
max_width = layout.getLineWidth(i);
}
}
return max_width;
}
protected boolean needsEllipsis() {
final int width = getAvailableWidth();
if (width <= 0) {
return false;
}
final Layout layout = getLayout();
return (layout != null && layout.getLineWidth(0) > width);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int specModeW = MeasureSpec.getMode(widthMeasureSpec);
if (specModeW != MeasureSpec.EXACTLY) {
Layout layout = getLayout();
int linesCount = layout.getLineCount();
if (linesCount > 1) {
float textRealMaxWidth = 0;
for (int n = 0; n < linesCount; ++n) {
textRealMaxWidth = Math.max(textRealMaxWidth, layout.getLineWidth(n));
}
int w = Math.round(textRealMaxWidth);
if (w < getMeasuredWidth()) {
super.onMeasure(MeasureSpec.makeMeasureSpec(w, MeasureSpec.AT_MOST), heightMeasureSpec);
}
}
}
}
public boolean handleTouchEvent(MotionEvent event) {
int action = event.getAction();
if (action != MotionEvent.ACTION_UP && action != MotionEvent.ACTION_DOWN) {
return true;
} else {
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
y -= getTotalPaddingTop();
x += getScrollX();
y += getScrollY();
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int offset = layout.getOffsetForHorizontal(line, x);
float width = layout.getLineWidth(line);
if (y > width) {
offset = y;
}
if (!(getText() instanceof Spannable)) {
return true;
} else {
Spannable span = (Spannable) getText();
ClickableSpan[] clickSpan = span.getSpans(offset, offset, ClickableSpan.class);
if (clickSpan == null || clickSpan.length == 0) {
am[] aam = span.getSpans(offset, offset, am.class);
if (aam != null && aam.length != 0) return false;
return true;
} else {
return false;
}
}
}
}
private int chooseSize(PopupWindow pop, View parentView, CharSequence text, TextView tv) {
int wid = tv.getPaddingLeft() + tv.getPaddingRight();
int ht = tv.getPaddingTop() + tv.getPaddingBottom();
/*
* Figure out how big the text would be if we laid it out to the
* full width of this view minus the border.
*/
int cap = width - wid;
Layout l =
new StaticLayout(text, tv.getPaint(), cap, Layout.Alignment.ALIGN_NORMAL, 1, 0, true);
float max = 0;
for (int i = 0; i < l.getLineCount(); i++) {
max = Math.max(max, l.getLineWidth(i));
}
/*
* Now set the popup size to be big enough for the text plus the border.
*/
pop.setWidth(width);
pop.setHeight(ht + l.getHeight());
return l.getHeight();
}