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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/frame/DOMWindow.h"
#include "core/frame/Frame.h"
#include "core/frame/FrameClient.h"
namespace blink {
bool DOMWindow::closed() const
{
return !frame() || !frame()->host();
}
unsigned DOMWindow::length() const
{
return frame() ? frame()->tree().scopedChildCount() : 0;
}
DOMWindow* DOMWindow::self() const
{
if (!frame())
return nullptr;
return frame()->domWindow();
}
DOMWindow* DOMWindow::opener() const
{
// FIXME: Use FrameTree to get opener as well, to simplify logic here.
if (!frame() || !frame()->client())
return nullptr;
Frame* opener = frame()->client()->opener();
return opener ? opener->domWindow() : nullptr;
}
DOMWindow* DOMWindow::parent() const
{
if (!frame())
return nullptr;
Frame* parent = frame()->tree().parent();
return parent ? parent->domWindow() : frame()->domWindow();
}
DOMWindow* DOMWindow::top() const
{
if (!frame())
return nullptr;
return frame()->tree().top()->domWindow();
}
DOMWindow* DOMWindow::anonymousIndexedGetter(uint32_t index) const
{
if (!frame())
return nullptr;
Frame* child = frame()->tree().scopedChild(index);
return child ? child->domWindow() : nullptr;
}
} // namespace blink
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