gecko-dev/dom/base/nsHistory.h

66 строки
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=79: */
/* 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 nsHistory_h___
#define nsHistory_h___
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIDOMHistory.h"
#include "nsPIDOMWindow.h" // for GetParentObject
#include "nsStringFwd.h"
#include "nsWrapperCache.h"
class nsIDocShell;
class nsISHistory;
class nsIWeakReference;
class nsPIDOMWindow;
// Script "History" object
class nsHistory final : public nsIDOMHistory, // Empty, needed for extension
// backwards compat
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsHistory)
public:
explicit nsHistory(nsPIDOMWindow* aInnerWindow);
nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
uint32_t GetLength(mozilla::ErrorResult& aRv) const;
void GetState(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
mozilla::ErrorResult& aRv) const;
void Go(int32_t aDelta, mozilla::ErrorResult& aRv);
void Back(mozilla::ErrorResult& aRv);
void Forward(mozilla::ErrorResult& aRv);
void PushState(JSContext* aCx, JS::Handle<JS::Value> aData,
const nsAString& aTitle, const nsAString& aUrl,
mozilla::ErrorResult& aRv);
void ReplaceState(JSContext* aCx, JS::Handle<JS::Value> aData,
const nsAString& aTitle, const nsAString& aUrl,
mozilla::ErrorResult& aRv);
protected:
virtual ~nsHistory();
nsIDocShell* GetDocShell() const;
void PushOrReplaceState(JSContext* aCx, JS::Handle<JS::Value> aData,
const nsAString& aTitle, const nsAString& aUrl,
mozilla::ErrorResult& aRv, bool aReplace);
already_AddRefed<nsISHistory> GetSessionHistory() const;
nsCOMPtr<nsIWeakReference> mInnerWindow;
};
#endif /* nsHistory_h___ */