gecko-dev/layout/xul/ListBoxObject.h

56 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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_ListBoxObject_h
#define mozilla_dom_ListBoxObject_h
#include "mozilla/dom/BoxObject.h"
#include "nsPIListBoxObject.h"
namespace mozilla {
namespace dom {
class ListBoxObject final : public BoxObject,
public nsPIListBoxObject
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSILISTBOXOBJECT
ListBoxObject();
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// nsPIListBoxObject
virtual nsListBoxBodyFrame* GetListBoxBody(bool aFlush) override;
// nsPIBoxObject
virtual void Clear() override;
virtual void ClearCachedValues() override;
// ListBoxObject.webidl
int32_t GetRowCount();
int32_t GetRowHeight();
int32_t GetNumberOfVisibleRows();
int32_t GetIndexOfFirstVisibleRow();
void EnsureIndexIsVisible(int32_t rowIndex);
void ScrollToIndex(int32_t rowIndex);
void ScrollByLines(int32_t numLines);
already_AddRefed<Element> GetItemAtIndex(int32_t index);
int32_t GetIndexOfItem(Element& item);
protected:
nsListBoxBodyFrame *mListBoxBody;
private:
~ListBoxObject();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ListBoxObject_h