dom/grid/GridTracks.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_GridTracks_h
   8 #define mozilla_dom_GridTracks_h
   9
  10 #include "nsTArray.h"
  11 #include "nsWrapperCache.h"
  12
  13 namespace mozilla {
  14
  15 struct ComputedGridTrackInfo;
  16
  17 namespace dom {
  18
  19 class GridDimension;
  20 class GridTrack;
  21
  22 class GridTracks : public nsISupports, public nsWrapperCache {
  23  public:
  24   explicit GridTracks(GridDimension* aParent);
  25
  26  protected:
  27   virtual ~GridTracks();
  28
  29  public:
  30   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  31   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(GridTracks)
  32
  33   virtual JSObject* WrapObject(JSContext* aCx,
  34                                JS::Handle<JSObject*> aGivenProto) override;
  35   GridDimension* GetParentObject() { return mParent; }
  36
  37   uint32_t Length() const;
  38   GridTrack* Item(uint32_t aIndex);
  39   GridTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
  40
  41   void SetTrackInfo(const mozilla::ComputedGridTrackInfo* aTrackInfo);
  42
  43  protected:
  44   RefPtr<GridDimension> mParent;
  45   nsTArray<RefPtr<GridTrack>> mTracks;
  46 };
  47
  48 }  // namespace dom
  49 }  // namespace mozilla
  50
  51 #endif /* mozilla_dom_GridTracks_h */