gecko-dev/dom/base/nsDOMWindowList.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDOMWindowList_h___
#define nsDOMWindowList_h___
#include "nsCOMPtr.h"
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#include "nsIDOMWindowCollection.h"
#include <stdint.h>
#include "nsIDocShellTreeItem.h"
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class nsIDocShell;
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class nsIDOMWindow;
class nsDOMWindowList : public nsIDOMWindowCollection
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{
public:
nsDOMWindowList(nsIDocShell *aDocShell);
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virtual ~nsDOMWindowList();
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMWINDOWCOLLECTION
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uint32_t GetLength();
already_AddRefed<nsIDOMWindow> IndexedGetter(uint32_t aIndex, bool& aFound);
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//local methods
NS_IMETHOD SetDocShell(nsIDocShell* aDocShell);
already_AddRefed<nsIDocShellTreeItem> GetDocShellTreeItemAt(uint32_t aIndex)
{
EnsureFresh();
nsCOMPtr<nsIDocShellTreeItem> item;
if (mDocShellNode) {
mDocShellNode->GetChildAt(aIndex, getter_AddRefs(item));
}
return item.forget();
}
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protected:
// Note: this function may flush and cause mDocShellNode to become null.
void EnsureFresh();
nsIDocShellTreeNode* mDocShellNode; //Weak Reference
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};
#endif // nsDOMWindowList_h___