@Override
public void onLongPress(MotionEvent e) {
CharSequence word = bookView.getWordAt(e.getX(), e.getY());
if (word != null) {
bookViewListener.onWordLongPressed(word);
}
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
float scrollUnitSize = SCROLL_FACTOR * metrics.density;
final int TAP_RANGE_H = bookView.getWidth() / 5;
float delta = (e1.getY() - e2.getY()) / scrollUnitSize;
int level = (int) delta;
if (e1.getX() < TAP_RANGE_H) {
return this.bookViewListener.onLeftEdgeSlide(level);
} else if (e1.getX() > bookView.getWidth() - TAP_RANGE_H) {
return this.bookViewListener.onRightEdgeSlide(level);
}
return super.onScroll(e1, e2, distanceX, distanceY);
}
@Override
public boolean onSingleTapUp(MotionEvent e) {
// Links get preference
if (bookView.hasLinkAt(e.getX(), e.getY())) {
return false;
}
final int TAP_RANGE_H = bookView.getWidth() / 5;
final int TAP_RANGE_V = bookView.getHeight() / 5;
if (e.getX() < TAP_RANGE_H) {
return bookViewListener.onTapLeftEdge();
} else if (e.getX() > bookView.getWidth() - TAP_RANGE_H) {
return bookViewListener.onTapRightEdge();
}
int yBase = bookView.getScrollY();
if (e.getY() < TAP_RANGE_V + yBase) {
return bookViewListener.onTapTopEdge();
} else if (e.getY() > (yBase + bookView.getHeight()) - TAP_RANGE_V) {
return bookViewListener.onTopBottomEdge();
}
this.bookViewListener.onScreenTap();
return false;
}