gecko-dev/layout/xul/BoxObject.h

99 строки
2.8 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_BoxObject_h__
#define mozilla_dom_BoxObject_h__
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "nsCOMPtr.h"
#include "nsIBoxObject.h"
#include "nsPIBoxObject.h"
#include "nsPoint.h"
#include "nsAutoPtr.h"
#include "nsHashKeys.h"
#include "nsInterfaceHashtable.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsRect.h"
class nsIFrame;
namespace mozilla {
class PresShell;
namespace dom {
class Element;
class BoxObject : public nsPIBoxObject, public nsWrapperCache {
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(BoxObject)
NS_DECL_NSIBOXOBJECT
public:
BoxObject();
// nsPIBoxObject
virtual nsresult Init(Element* aElement) override;
virtual void Clear() override;
virtual void ClearCachedValues() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult GetOffsetRect(nsIntRect& aRect);
MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult GetScreenPosition(nsIntPoint& aPoint);
// Given a parent frame and a child frame, find the frame whose
// next sibling is the given child frame and return its element
static Element* GetPreviousSibling(nsIFrame* aParentFrame, nsIFrame* aFrame);
// WebIDL (wraps old impls)
Element* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
Element* GetElement() const;
int32_t X();
int32_t Y();
int32_t GetScreenX(ErrorResult& aRv);
int32_t GetScreenY(ErrorResult& aRv);
int32_t Width();
int32_t Height();
already_AddRefed<nsISupports> GetPropertyAsSupports(
const nsAString& propertyName);
void SetPropertyAsSupports(const nsAString& propertyName, nsISupports* value);
void GetProperty(const nsAString& propertyName, nsString& aRetVal,
ErrorResult& aRv);
void SetProperty(const nsAString& propertyName,
const nsAString& propertyValue);
void RemoveProperty(const nsAString& propertyName);
Element* GetParentBox();
Element* GetFirstChild();
Element* GetLastChild();
Element* GetNextSibling();
Element* GetPreviousSibling();
protected:
virtual ~BoxObject();
nsIFrame* GetFrame() const;
MOZ_CAN_RUN_SCRIPT nsIFrame* GetFrameWithFlushPendingNotifications();
PresShell* GetPresShell() const;
MOZ_CAN_RUN_SCRIPT PresShell* GetPresShellWithFlushPendingNotifications();
nsAutoPtr<nsInterfaceHashtable<nsStringHashKey, nsISupports>> mPropertyTable;
Element* mContent; // [WEAK]
};
} // namespace dom
} // namespace mozilla
#endif