use of android.text.style.ClickableSpan in project android_frameworks_base by AOSPA.
the class LinkMovementMethod method action.
private boolean action(int what, TextView widget, Spannable buffer) {
Layout layout = widget.getLayout();
int padding = widget.getTotalPaddingTop() + widget.getTotalPaddingBottom();
int areatop = widget.getScrollY();
int areabot = areatop + widget.getHeight() - padding;
int linetop = layout.getLineForVertical(areatop);
int linebot = layout.getLineForVertical(areabot);
int first = layout.getLineStart(linetop);
int last = layout.getLineEnd(linebot);
ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.class);
int a = Selection.getSelectionStart(buffer);
int b = Selection.getSelectionEnd(buffer);
int selStart = Math.min(a, b);
int selEnd = Math.max(a, b);
if (selStart < 0) {
if (buffer.getSpanStart(FROM_BELOW) >= 0) {
selStart = selEnd = buffer.length();
}
}
if (selStart > last)
selStart = selEnd = Integer.MAX_VALUE;
if (selEnd < first)
selStart = selEnd = -1;
switch(what) {
case CLICK:
if (selStart == selEnd) {
return false;
}
ClickableSpan[] link = buffer.getSpans(selStart, selEnd, ClickableSpan.class);
if (link.length != 1)
return false;
link[0].onClick(widget);
break;
case UP:
int beststart, bestend;
beststart = -1;
bestend = -1;
for (int i = 0; i < candidates.length; i++) {
int end = buffer.getSpanEnd(candidates[i]);
if (end < selEnd || selStart == selEnd) {
if (end > bestend) {
beststart = buffer.getSpanStart(candidates[i]);
bestend = end;
}
}
}
if (beststart >= 0) {
Selection.setSelection(buffer, bestend, beststart);
return true;
}
break;
case DOWN:
beststart = Integer.MAX_VALUE;
bestend = Integer.MAX_VALUE;
for (int i = 0; i < candidates.length; i++) {
int start = buffer.getSpanStart(candidates[i]);
if (start > selStart || selStart == selEnd) {
if (start < beststart) {
beststart = start;
bestend = buffer.getSpanEnd(candidates[i]);
}
}
}
if (bestend < Integer.MAX_VALUE) {
Selection.setSelection(buffer, beststart, bestend);
return true;
}
break;
}
return false;
}
use of android.text.style.ClickableSpan in project android_frameworks_base by AOSPA.
the class LinkMovementMethod method onTouchEvent.
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();
x += widget.getScrollX();
y += widget.getScrollY();
Layout layout = widget.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
if (link.length != 0) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
}
return true;
} else {
Selection.removeSelection(buffer);
}
}
return super.onTouchEvent(widget, buffer, event);
}
use of android.text.style.ClickableSpan in project android_frameworks_base by AOSPA.
the class TextView method onResolvePointerIcon.
@Override
public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
if (mText instanceof Spannable && mLinksClickable) {
final float x = event.getX(pointerIndex);
final float y = event.getY(pointerIndex);
final int offset = getOffsetForPosition(x, y);
final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, ClickableSpan.class);
if (clickables.length > 0) {
return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_HAND);
}
}
if (isTextSelectable() || isTextEditable()) {
return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_TEXT);
}
return super.onResolvePointerIcon(event, pointerIndex);
}
use of android.text.style.ClickableSpan in project android_frameworks_base by ResurrectionRemix.
the class LinkMovementMethod method onTouchEvent.
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();
x += widget.getScrollX();
y += widget.getScrollY();
Layout layout = widget.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
if (link.length != 0) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
}
return true;
} else {
Selection.removeSelection(buffer);
}
}
return super.onTouchEvent(widget, buffer, event);
}
use of android.text.style.ClickableSpan in project android_frameworks_base by ResurrectionRemix.
the class TextView method onResolvePointerIcon.
@Override
public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
if (mText instanceof Spannable && mLinksClickable) {
final float x = event.getX(pointerIndex);
final float y = event.getY(pointerIndex);
final int offset = getOffsetForPosition(x, y);
final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, ClickableSpan.class);
if (clickables.length > 0) {
return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_HAND);
}
}
if (isTextSelectable() || isTextEditable()) {
return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_TEXT);
}
return super.onResolvePointerIcon(event, pointerIndex);
}
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