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
23                  , public nsWrapperCache
24 {
25 public:
26   explicit GridTracks(GridDimension* aParent);
27 
28 protected:
29   virtual ~GridTracks();
30 
31 public:
32   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
33   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(GridTracks)
34 
35   virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
GetParentObject()36   GridDimension* GetParentObject()
37   {
38     return mParent;
39   }
40 
41   uint32_t Length() const;
42   GridTrack* Item(uint32_t aIndex);
43   GridTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
44 
45   void SetTrackInfo(const mozilla::ComputedGridTrackInfo* aTrackInfo);
46 
47 protected:
48   RefPtr<GridDimension> mParent;
49   nsTArray<RefPtr<GridTrack>> mTracks;
50 };
51 
52 } // namespace dom
53 } // namespace mozilla
54 
55 #endif /* mozilla_dom_GridTracks_h */
56