Merge "Remove space gesture: improve range calculation"

        }

        // The operation should be applied to all characters touched by the line joining the points.

        int startOffset = mLayout.getOffsetForHorizontal(line, startPoint.x);

        int endOffset = mLayout.getOffsetForHorizontal(line, endPoint.x);

        if (startOffset == endOffset) {

        float lineVerticalCenter = (mLayout.getLineTop(line)

                + mLayout.getLineBottom(line, /* includeLineSpacing= */ false)) / 2f;

        // Create a rectangle which is +/-0.1f around the line's vertical center, so that the

        // rectangle doesn't touch the line above or below. (The line height is at least 1f.)

        RectF area = new RectF(

                Math.min(startPoint.x, endPoint.x),

                lineVerticalCenter + 0.1f,

                Math.max(startPoint.x, endPoint.x),

                lineVerticalCenter - 0.1f);

        Range<Integer> range = mLayout.getRangeForRect(

                area, new GraphemeClusterSegmentFinder(mText, mTextPaint),

                Layout.INCLUSION_STRATEGY_ANY_OVERLAP);

        if (range == null) {

            return handleGestureFailure(gesture);

        } else if (startOffset > endOffset) {

            int tmp = startOffset;

            startOffset = endOffset;

            endOffset = tmp;

        }

        // TODO(b/247557062): The boundary offsets might be off by one. We should check which side

        // of the offset the point is on, and adjust if necessary.

        int startOffset = range.getLower();

        int endOffset = range.getUpper();

        // TODO(b/247557062): This doesn't handle bidirectional text correctly.

        Pattern whitespacePattern = getWhitespacePattern();