gecko-dev/dom/grid/GridLines.h

66 строки
1.9 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_GridLines_h
#define mozilla_dom_GridLines_h
#include "nsCoord.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
class nsAtom;
namespace mozilla {
struct ComputedGridTrackInfo;
struct ComputedGridLineInfo;
namespace dom {
class GridDimension;
class GridLine;
class GridArea;
class GridLines : public nsISupports, public nsWrapperCache {
public:
explicit GridLines(GridDimension* aParent);
protected:
virtual ~GridLines();
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(GridLines)
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
GridDimension* GetParentObject() { return mParent; }
uint32_t Length() const;
GridLine* Item(uint32_t aIndex);
GridLine* IndexedGetter(uint32_t aIndex, bool& aFound);
void SetLineInfo(const ComputedGridTrackInfo* aTrackInfo,
const ComputedGridLineInfo* aLineInfo,
const nsTArray<RefPtr<GridArea>>& aAreas, bool aIsRow);
protected:
uint32_t AppendRemovedAutoFits(const ComputedGridTrackInfo* aTrackInfo,
const ComputedGridLineInfo* aLineInfo,
nscoord aLastTrackEdge, uint32_t& aRepeatIndex,
uint32_t aNumRepeatTracks,
uint32_t aNumLeadingTracks,
nsTArray<RefPtr<nsAtom>>& aLineNames);
RefPtr<GridDimension> mParent;
nsTArray<RefPtr<GridLine>> mLines;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_GridLines_h */