gecko-dev/dom/flex/FlexLine.h

66 строки
1.5 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_FlexLine_h
#define mozilla_dom_FlexLine_h
#include "mozilla/dom/FlexBinding.h"
#include "nsISupports.h"
#include "nsWrapperCache.h"
struct ComputedFlexLineInfo;
namespace mozilla {
namespace dom {
class Flex;
class FlexItem;
class FlexLine : public nsISupports
, public nsWrapperCache
{
public:
explicit FlexLine(Flex* aParent,
const ComputedFlexLineInfo* aLine);
protected:
virtual ~FlexLine() = default;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FlexLine)
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
Flex* GetParentObject()
{
return mParent;
}
FlexLineGrowthState GrowthState() const;
double CrossStart() const;
double CrossSize() const;
double FirstBaselineOffset() const;
double LastBaselineOffset() const;
void GetItems(nsTArray<RefPtr<FlexItem>>& aResult);
protected:
RefPtr<Flex> mParent;
FlexLineGrowthState mGrowthState;
double mCrossStart;
double mCrossSize;
double mFirstBaselineOffset;
double mLastBaselineOffset;
nsTArray<RefPtr<FlexItem>> mItems;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_FlexLine_h */