dom/base/nsHistory.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 sw=2 et tw=79: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #ifndef nsHistory_h___
   7 #define nsHistory_h___
   8
   9 #include "nsIDOMHistory.h"
  10 #include "nsISupports.h"
  11 #include "nscore.h"
  12 #include "nsIScriptContext.h"
  13 #include "nsISHistory.h"
  14 #include "nsIWeakReference.h"
  15 #include "nsPIDOMWindow.h"
  16
  17 class nsIDocShell;
  18
  19 // Script "History" object
  20 class nsHistory : public nsIDOMHistory
  21 {
  22 public:
  23   nsHistory(nsPIDOMWindow* aInnerWindow);
  24   virtual ~nsHistory();
  25
  26   // nsISupports
  27   NS_DECL_ISUPPORTS
  28
  29   // nsIDOMHistory
  30   NS_DECL_NSIDOMHISTORY
  31
  32   nsIDocShell *GetDocShell() {
  33     nsCOMPtr<nsPIDOMWindow> win(do_QueryReferent(mInnerWindow));
  34     if (!win)
  35       return nullptr;
  36     return win->GetDocShell();
  37   }
  38
  39   void GetWindow(nsPIDOMWindow **aWindow) {
  40     nsCOMPtr<nsPIDOMWindow> win(do_QueryReferent(mInnerWindow));
  41     *aWindow = win.forget().get();
  42   }
  43
  44 protected:
  45   nsresult GetSessionHistoryFromDocShell(nsIDocShell * aDocShell,
  46                                          nsISHistory ** aReturn);
  47
  48   nsCOMPtr<nsIWeakReference> mInnerWindow;
  49 };
  50
  51 #endif /* nsHistory_h___ */