gecko-dev/layout/xul/ScrollBoxObject.h

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2.1 KiB
C
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/* -*- Mode: C++; tab-width: 2; 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 mozilla_dom_ScrollBoxObject_h
#define mozilla_dom_ScrollBoxObject_h
#include "mozilla/dom/BoxObject.h"
#include "Units.h"
class nsIScrollableFrame;
struct nsRect;
namespace mozilla {
namespace dom {
class ScrollBoxObject final : public BoxObject
{
public:
ScrollBoxObject();
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual nsIScrollableFrame* GetScrollFrame();
void ScrollTo(int32_t x, int32_t y, ErrorResult& aRv);
void ScrollBy(int32_t dx, int32_t dy, ErrorResult& aRv);
void ScrollByLine(int32_t dlines, ErrorResult& aRv);
void ScrollByIndex(int32_t dindexes, ErrorResult& aRv);
void ScrollToLine(int32_t line, ErrorResult& aRv);
void ScrollToElement(Element& child, ErrorResult& aRv);
void ScrollToIndex(int32_t index, ErrorResult& aRv);
int32_t GetPositionX(ErrorResult& aRv);
int32_t GetPositionY(ErrorResult& aRv);
int32_t GetScrolledWidth(ErrorResult& aRv);
int32_t GetScrolledHeight(ErrorResult& aRv);
void EnsureElementIsVisible(Element& child, ErrorResult& aRv);
void EnsureIndexIsVisible(int32_t index, ErrorResult& aRv);
void EnsureLineIsVisible(int32_t line, ErrorResult& aRv);
// Deprecated APIs from old IDL
void GetPosition(JSContext* cx,
JS::Handle<JSObject*> x,
JS::Handle<JSObject*> y,
ErrorResult& aRv);
void GetScrolledSize(JSContext* cx,
JS::Handle<JSObject*> width,
JS::Handle<JSObject*> height,
ErrorResult& aRv);
protected:
void GetScrolledSize(nsRect& aRect, ErrorResult& aRv);
void GetPosition(CSSIntPoint& aPos, ErrorResult& aRv);
private:
~ScrollBoxObject();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ScrollBoxObject_h