Example usage for com.google.gwt.dom.client Document getScrollTop

Introduction

In this page you can find the example usage for com.google.gwt.dom.client Document getScrollTop.

Prototype

public int getScrollTop() 

Source Link

Usage

From source file:com.preferanser.client.geom.Point.java

License:Open Source License

public static Point FromMouseEvent(MouseEvent event, Document doc) {
    return FromMouseEvent(event).plus(new Point(doc.getScrollLeft(), doc.getScrollTop()));
}

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From source file:org.rstudio.core.client.ScrollUtil.java

License:Open Source License

public static void setScrollPositionOnLoad(final RStudioFrame frame, final int scrollPosition) {
    Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
        @Override// w w w .  jav  a2 s  . c  o  m
        public boolean execute() {
            // don't wait indefinitely for the document to load
            retries_++;
            if (retries_ > MAX_SCROLL_RETRIES)
                return false;

            // wait for a document to become available in the frame
            if (frame.getIFrame() == null)
                return true;

            if (frame.getIFrame().getContentDocument() == null)
                return true;

            // wait for the document to finish loading
            Document doc = frame.getIFrame().getContentDocument();
            String readyState = getDocumentReadyState(doc);
            if (readyState == null)
                return true;

            if (!readyState.equals("complete"))
                return true;

            // wait for a real document to load (about:blank may be intermediate)
            if (doc.getScrollTop() > 0)
                return true;

            if (doc.getURL().equals(ViewerPane.ABOUT_BLANK))
                return true;

            // restore scroll position
            if (scrollPosition > 0)
                doc.setScrollTop(scrollPosition);

            return false;
        }

        private int retries_ = 0;
    }, SCROLL_RETRY_MS);
}

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