forked from mirrors/gecko-dev
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 mozilla_dom_SessionStoreScrollData_h
|
|
#define mozilla_dom_SessionStoreScrollData_h
|
|
|
|
#include "js/TypeDecls.h"
|
|
#include "mozilla/WeakPtr.h"
|
|
#include "nsPoint.h"
|
|
#include "nsTArray.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "mozilla/dom/WindowGlobalParent.h"
|
|
#include "mozilla/dom/SessionStoreChangeListener.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
class BrowsingContext;
|
|
class WindowGlobalParent;
|
|
class OwningByteStringOrObjectOrNull;
|
|
struct SessionStoreZoomData;
|
|
|
|
using SessionStoreZoom = std::tuple<float, uint32_t, uint32_t>;
|
|
using MaybeSessionStoreZoom =
|
|
mozilla::Maybe<std::tuple<float, uint32_t, uint32_t>>;
|
|
|
|
class SessionStoreScrollData final : public nsISupports,
|
|
public nsWrapperCache,
|
|
public SupportsWeakPtr {
|
|
public:
|
|
using CollectedType = nsPoint;
|
|
using LocationType = WeakPtr<SessionStoreScrollData>;
|
|
using ChildrenArray = nsTArray<RefPtr<SessionStoreScrollData>>;
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(SessionStoreScrollData)
|
|
nsISupports* GetParentObject() const;
|
|
JSObject* WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
void GetScroll(nsACString& aScroll) const;
|
|
|
|
ChildrenArray& Children();
|
|
|
|
void GetChildren(Nullable<ChildrenArray>& aChildren) const;
|
|
|
|
void ToJSON(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval);
|
|
|
|
void Update(const CollectedType& aUpdate);
|
|
|
|
void ClearCachedChildren();
|
|
|
|
static bool HasData(const CollectedType& aPoint);
|
|
|
|
bool IsEmpty() const;
|
|
|
|
private:
|
|
~SessionStoreScrollData() = default;
|
|
|
|
nsPoint mScroll;
|
|
MaybeSessionStoreZoom mZoom;
|
|
nsTArray<RefPtr<SessionStoreScrollData>> mChildren;
|
|
};
|
|
|
|
} // namespace mozilla::dom
|
|
|
|
#endif // mozilla_dom_SessionStoreScrollData_h
|