@Override
protected void onStart() {
offsetHeight = curPanel.getOffsetHeight();
offsetWidth = curPanel.getOffsetWidth();
curPanel.getElement().getStyle().setProperty("overflow", "hidden");
super.onStart();
}
@Override
protected void onComplete() {
if (!showing) {
maybeShowGlass();
if (!isUnloading) {
RootPanel.get().remove(curPanel);
}
}
impl.setClip(curPanel.getElement(), "rect(auto, auto, auto, auto)");
curPanel.getElement().getStyle().setProperty("overflow", "visible");
}
@Override
protected void onUpdate(double progress) {
if (!showing) {
progress = 1.0 - progress;
}
// Determine the clipping size
int top = 0;
int left = 0;
int right = 0;
int bottom = 0;
int height = (int) (progress * offsetHeight);
int width = (int) (progress * offsetWidth);
switch (curPanel.animType) {
case ROLL_DOWN:
right = offsetWidth;
bottom = height;
break;
case CENTER:
top = (offsetHeight - height) >> 1;
left = (offsetWidth - width) >> 1;
right = left + width;
bottom = top + height;
break;
case ONE_WAY_CORNER:
if (LocaleInfo.getCurrentLocale().isRTL()) {
left = offsetWidth - width;
}
right = left + width;
bottom = top + height;
break;
}
// Set the rect clipping
impl.setClip(curPanel.getElement(), getRectString(top, right, bottom, left));
}
private void onInstantaneousRun() {
maybeShowGlass();
if (showing) {
// Set the position attribute, and then attach to the DOM. Otherwise,
// the PopupPanel will appear to 'jump' from its static/relative
// position to its absolute position (issue #1231).
curPanel.getElement().getStyle().setProperty("position", "absolute");
if (curPanel.topPosition != -1) {
curPanel.setPopupPosition(curPanel.leftPosition, curPanel.topPosition);
}
RootPanel.get().add(curPanel);
} else {
if (!isUnloading) {
RootPanel.get().remove(curPanel);
}
}
curPanel.getElement().getStyle().setProperty("overflow", "visible");
}
/**
* Open or close the content. This method always called immediately after the PopupPanel showing
* state has changed, so we base the animation on the current state.
*
* @param showing true if the popup is showing, false if not
*/
public void setState(boolean showing, boolean isUnloading) {
// Immediately complete previous open/close animation
this.isUnloading = isUnloading;
cancel();
// If there is a pending timer to start a show animation, then just cancel
// the timer and complete the show operation.
if (showTimer != null) {
showTimer.cancel();
showTimer = null;
onComplete();
}
// Update the logical state.
curPanel.showing = showing;
curPanel.updateHandlers();
// Determine if we need to animate
boolean animate = !isUnloading && curPanel.isAnimationEnabled;
if (curPanel.animType != AnimationType.CENTER && !showing) {
animate = false;
}
// Open the new item
this.showing = showing;
if (animate) {
// impl.onShow takes some time to complete, so we do it before starting
// the animation. If we move this to onStart, the animation will look
// choppy or not run at all.
if (showing) {
maybeShowGlass();
// Set the position attribute, and then attach to the DOM. Otherwise,
// the PopupPanel will appear to 'jump' from its static/relative
// position to its absolute position (issue #1231).
curPanel.getElement().getStyle().setProperty("position", "absolute");
if (curPanel.topPosition != -1) {
curPanel.setPopupPosition(curPanel.leftPosition, curPanel.topPosition);
}
impl.setClip(curPanel.getElement(), getRectString(0, 0, 0, 0));
RootPanel.get().add(curPanel);
// Wait for the popup panel and iframe to be attached before running
// the animation. We use a Timer instead of a DeferredCommand so we
// can cancel it if the popup is hidden synchronously.
showTimer =
new Timer() {
@Override
public void run() {
showTimer = null;
ResizeAnimation.this.run(ANIMATION_DURATION);
}
};
showTimer.schedule(1);
} else {
run(ANIMATION_DURATION);
}
} else {
onInstantaneousRun();
}
}