@Override
public void onFling(float startX, float startY, float velocityX, float velocityY) {
DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
if (draweeView == null) {
return;
}
mCurrentFlingRunnable = new FlingRunnable(draweeView.getContext());
mCurrentFlingRunnable.fling(getViewWidth(), getViewHeight(), (int) velocityX, (int) velocityY);
draweeView.post(mCurrentFlingRunnable);
}
private void checkMinScale() {
DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
if (draweeView == null) {
return;
}
if (getScale() < mMinScale) {
RectF rect = getDisplayRect();
if (null != rect) {
draweeView.post(
new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
}
}
}
@Override
public void setScale(float scale, float focalX, float focalY, boolean animate) {
DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
if (draweeView == null || scale < mMinScale || scale > mMaxScale) {
return;
}
if (animate) {
draweeView.post(new AnimatedZoomRunnable(getScale(), scale, focalX, focalY));
} else {
mMatrix.setScale(scale, scale, focalX, focalY);
checkMatrixAndInvalidate();
}
}