dom/flex/FlexLineValues.h

   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_FlexLineValues_h
   8 #define mozilla_dom_FlexLineValues_h
   9
  10 #include "mozilla/dom/FlexBinding.h"
  11 #include "nsISupports.h"
  12 #include "nsWrapperCache.h"
  13
  14 struct ComputedFlexLineInfo;
  15
  16 namespace mozilla::dom {
  17
  18 class Flex;
  19 class FlexItemValues;
  20
  21 class FlexLineValues : public nsISupports, public nsWrapperCache {
  22  public:
  23   explicit FlexLineValues(Flex* aParent, const ComputedFlexLineInfo* aLine);
  24
  25  protected:
  26   virtual ~FlexLineValues() = default;
  27
  28  public:
  29   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  30   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FlexLineValues)
  31
  32   virtual JSObject* WrapObject(JSContext* aCx,
  33                                JS::Handle<JSObject*> aGivenProto) override;
  34   Flex* GetParentObject() { return mParent; }
  35
  36   FlexLineGrowthState GrowthState() const;
  37   double CrossStart() const;
  38   double CrossSize() const;
  39   double FirstBaselineOffset() const;
  40   double LastBaselineOffset() const;
  41
  42   void GetItems(nsTArray<RefPtr<FlexItemValues>>& aResult);
  43
  44  protected:
  45   RefPtr<Flex> mParent;
  46
  47   FlexLineGrowthState mGrowthState;
  48   double mCrossStart;
  49   double mCrossSize;
  50   double mFirstBaselineOffset;
  51   double mLastBaselineOffset;
  52
  53   nsTArray<RefPtr<FlexItemValues>> mItems;
  54 };
  55
  56 }  // namespace mozilla::dom
  57
  58 #endif /* mozilla_dom_FlexLineValues_h */