NbClipboard.java 文件源码

private synchronized void superSetContents(Transferable t, ClipboardOwner o) {
    if (this.contents != null) {
        transferableOwnershipLost(this.contents);
    }

    final ClipboardOwner oldOwner = this.owner;
    final Transferable oldContents = this.contents;

    this.owner = o;
    this.contents = t;

    if (oldOwner != null && oldOwner != owner) {
        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                oldOwner.lostOwnership(NbClipboard.this, oldContents);
            }
        });
    }
}