summaryrefslogtreecommitdiffstats
path: root/dom/base/nsDOMWindowList.h
blob: d5335f0d742adc8b433dcd6136ab9da750a30ecb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsDOMWindowList_h___
#define nsDOMWindowList_h___

#include "nsCOMPtr.h"
#include "nsIDOMWindowCollection.h"
#include <stdint.h>
#include "nsIDocShell.h"

class nsIDocShell;
class nsIDOMWindow;

class nsDOMWindowList : public nsIDOMWindowCollection
{
public:
  explicit nsDOMWindowList(nsIDocShell* aDocShell);

  NS_DECL_ISUPPORTS
  NS_DECL_NSIDOMWINDOWCOLLECTION

  uint32_t GetLength();
  already_AddRefed<nsPIDOMWindowOuter> IndexedGetter(uint32_t aIndex);

  //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();
  }

protected:
  virtual ~nsDOMWindowList();

  // Note: this function may flush and cause mDocShellNode to become null.
  void EnsureFresh();

  nsIDocShell* mDocShellNode; //Weak Reference
};

#endif // nsDOMWindowList_h___