dom/grid/GridLines.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_GridLines_h
   8 #define mozilla_dom_GridLines_h
   9
  10 #include "nsCoord.h"
  11 #include "nsTArray.h"
  12 #include "nsWrapperCache.h"
  13
  14 class nsAtom;
  15
  16 namespace mozilla {
  17
  18 struct ComputedGridTrackInfo;
  19 struct ComputedGridLineInfo;
  20
  21 namespace dom {
  22
  23 class GridDimension;
  24 class GridLine;
  25 class GridArea;
  26
  27 class GridLines : public nsISupports, public nsWrapperCache {
  28  public:
  29   explicit GridLines(GridDimension* aParent);
  30
  31  protected:
  32   virtual ~GridLines();
  33
  34  public:
  35   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  36   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(GridLines)
  37
  38   virtual JSObject* WrapObject(JSContext* aCx,
  39                                JS::Handle<JSObject*> aGivenProto) override;
  40   GridDimension* GetParentObject() { return mParent; }
  41
  42   uint32_t Length() const;
  43   GridLine* Item(uint32_t aIndex);
  44   GridLine* IndexedGetter(uint32_t aIndex, bool& aFound);
  45
  46   void SetLineInfo(const ComputedGridTrackInfo* aTrackInfo,
  47                    const ComputedGridLineInfo* aLineInfo,
  48                    const nsTArray<RefPtr<GridArea>>& aAreas, bool aIsRow);
  49
  50  protected:
  51   uint32_t AppendRemovedAutoFits(const ComputedGridTrackInfo* aTrackInfo,
  52                                  const ComputedGridLineInfo* aLineInfo,
  53                                  nscoord aLastTrackEdge, uint32_t& aRepeatIndex,
  54                                  uint32_t aNumRepeatTracks,
  55                                  uint32_t aNumLeadingTracks,
  56                                  nsTArray<RefPtr<nsAtom>>& aLineNames);
  57
  58   RefPtr<GridDimension> mParent;
  59   nsTArray<RefPtr<GridLine>> mLines;
  60 };
  61
  62 }  // namespace dom
  63 }  // namespace mozilla
  64
  65 #endif /* mozilla_dom_GridLines_h */