@Override
public void run() {
if (mScroller.isFinished()) {
return; // remaining post that should not be handled
}
ImageView imageView = getImageView();
if (null != imageView && mScroller.computeScrollOffset()) {
final int newX = mScroller.getCurrX();
final int newY = mScroller.getCurrY();
if (DEBUG) {
LogManager.getLogger()
.d(
LOG_TAG,
"fling run(). CurrentX:"
+ mCurrentX
+ " CurrentY:"
+ mCurrentY
+ " NewX:"
+ newX
+ " NewY:"
+ newY);
}
mSuppMatrix.postTranslate(mCurrentX - newX, mCurrentY - newY);
setImageViewMatrix(getDrawMatrix());
mCurrentX = newX;
mCurrentY = newY;
// Post On animation
Compat.postOnAnimation(imageView, this);
}
}
public void fling(int viewWidth, int viewHeight, int velocityX, int velocityY) {
final RectF rect = getDisplayRect();
if (null == rect) {
return;
}
final int startX = Math.round(-rect.left);
final int minX, maxX, minY, maxY;
if (viewWidth < rect.width()) {
minX = 0;
maxX = Math.round(rect.width() - viewWidth);
} else {
minX = maxX = startX;
}
final int startY = Math.round(-rect.top);
if (viewHeight < rect.height()) {
minY = 0;
maxY = Math.round(rect.height() - viewHeight);
} else {
minY = maxY = startY;
}
mCurrentX = startX;
mCurrentY = startY;
if (DEBUG) {
LogManager.getLogger()
.d(
LOG_TAG,
"fling. StartX:"
+ startX
+ " StartY:"
+ startY
+ " MaxX:"
+ maxX
+ " MaxY:"
+ maxY);
}
// If we actually can move, fling the scroller
if (startX != maxX || startY != maxY) {
mScroller.fling(startX, startY, velocityX, velocityY, minX, maxX, minY, maxY, 0, 0);
}
}
public void cancelFling() {
if (DEBUG) {
LogManager.getLogger().d(LOG_TAG, "Cancel Fling");
}
mScroller.forceFinished(true);
}
public FlingRunnable(Context context) {
mScroller = ScrollerProxy.getScroller(context);
}