private void setSize(Event event, boolean updateVariables) {
if (!cursorInsideBrowserContentArea(event)) {
// Only drag while cursor is inside the browser client area
return;
}
int w = Util.getTouchOrMouseClientX(event) - startX + origW;
int h = Util.getTouchOrMouseClientY(event) - startY + origH;
w = Math.max(w, getMinWidth());
h = Math.max(h, getMinHeight());
setWidth(w + "px");
setHeight(h + "px");
if (updateVariables) {
// sending width back always as pixels, no need for unit
client.updateVariable(id, "width", w, false);
client.updateVariable(id, "height", h, immediate);
}
if (updateVariables || !resizeLazy) {
// Resize has finished or is not lazy
updateContentsSize();
} else {
// Lazy resize - wait for a while before re-rendering contents
delayedContentsSizeUpdater.trigger();
}
}
/**
* Called when a resize event is received.
*
* <p>This may trigger a lazy refresh or perform the size check immediately depending on the
* browser used and whether the server side requests resizes to be lazy.
*/
private void triggerSizeChangeCheck() {
/*
* IE (pre IE9 at least) will give us some false resize events due to
* problems with scrollbars. Firefox 3 might also produce some extra
* events. We postpone both the re-layouting and the server side event
* for a while to deal with these issues.
*
* We may also postpone these events to avoid slowness when resizing the
* browser window. Constantly recalculating the layout causes the resize
* operation to be really slow with complex layouts.
*/
boolean lazy = resizeLazy || BrowserInfo.get().isIE8();
if (lazy) {
delayedResizeExecutor.trigger();
} else {
performSizeCheck();
}
}