1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_dom_FlexLine_h 8 #define mozilla_dom_FlexLine_h 9 10 #include "mozilla/dom/FlexBinding.h" 11 #include "nsISupports.h" 12 #include "nsWrapperCache.h" 13 14 struct ComputedFlexLineInfo; 15 16 namespace mozilla { 17 namespace dom { 18 19 class Flex; 20 class FlexItem; 21 22 class FlexLine : public nsISupports, public nsWrapperCache { 23 public: 24 explicit FlexLine(Flex* aParent, const ComputedFlexLineInfo* aLine); 25 26 protected: 27 virtual ~FlexLine() = default; 28 29 public: 30 NS_DECL_CYCLE_COLLECTING_ISUPPORTS 31 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FlexLine) 32 33 virtual JSObject* WrapObject(JSContext* aCx, 34 JS::Handle<JSObject*> aGivenProto) override; GetParentObject()35 Flex* GetParentObject() { return mParent; } 36 37 FlexLineGrowthState GrowthState() const; 38 double CrossStart() const; 39 double CrossSize() const; 40 double FirstBaselineOffset() const; 41 double LastBaselineOffset() const; 42 43 void GetItems(nsTArray<RefPtr<FlexItem>>& aResult); 44 45 protected: 46 RefPtr<Flex> mParent; 47 48 FlexLineGrowthState mGrowthState; 49 double mCrossStart; 50 double mCrossSize; 51 double mFirstBaselineOffset; 52 double mLastBaselineOffset; 53 54 nsTArray<RefPtr<FlexItem>> mItems; 55 }; 56 57 } // namespace dom 58 } // namespace mozilla 59 60 #endif /* mozilla_dom_FlexLine_h */ 61