gecko-dev/dom/flex/FlexLineValues.h

61 строка
1.6 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_FlexLineValues_h
#define mozilla_dom_FlexLineValues_h
#include "mozilla/dom/FlexBinding.h"
#include "nsISupports.h"
#include "nsWrapperCache.h"
struct ComputedFlexLineInfo;
namespace mozilla {
namespace dom {
class Flex;
class FlexItemValues;
class FlexLineValues : public nsISupports, public nsWrapperCache {
public:
explicit FlexLineValues(Flex* aParent, const ComputedFlexLineInfo* aLine);
protected:
virtual ~FlexLineValues() = default;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FlexLineValues)
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<FlexItemValues>>& aResult);
protected:
RefPtr<Flex> mParent;
FlexLineGrowthState mGrowthState;
double mCrossStart;
double mCrossSize;
double mFirstBaselineOffset;
double mLastBaselineOffset;
nsTArray<RefPtr<FlexItemValues>> mItems;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_FlexLineValues_h */