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_FileList_h
8 #define mozilla_dom_FileList_h
9 
10 #include <cstdint>
11 #include "js/TypeDecls.h"
12 #include "mozilla/Assertions.h"
13 #include "nsCOMPtr.h"
14 #include "nsCycleCollectionParticipant.h"
15 #include "nsISupports.h"
16 #include "nsTArray.h"
17 #include "nsWrapperCache.h"
18 
19 class nsCycleCollectionTraversalCallback;
20 template <class T>
21 class RefPtr;
22 
23 namespace mozilla {
24 class ErrorResult;
25 namespace dom {
26 
27 class BlobImpls;
28 class File;
29 template <typename T>
30 class Sequence;
31 
32 class FileList final : public nsISupports, public nsWrapperCache {
33  public:
34   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
35   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FileList)
36 
37   explicit FileList(nsISupports* aParent);
38 
39   virtual JSObject* WrapObject(JSContext* aCx,
40                                JS::Handle<JSObject*> aGivenProto) override;
41 
GetParentObject()42   nsISupports* GetParentObject() { return mParent; }
43 
44   bool Append(File* aFile);
45 
46   bool Remove(uint32_t aIndex);
47 
48   void Clear();
49 
50   File* Item(uint32_t aIndex) const;
51 
52   File* IndexedGetter(uint32_t aIndex, bool& aFound) const;
53 
Length()54   uint32_t Length() const { return mFiles.Length(); }
55 
56   void ToSequence(Sequence<RefPtr<File>>& aSequence, ErrorResult& aRv) const;
57 
58  private:
59   ~FileList();
60 
61   FallibleTArray<RefPtr<File>> mFiles;
62   nsCOMPtr<nsISupports> mParent;
63 };
64 
65 }  // namespace dom
66 }  // namespace mozilla
67 
68 #endif  // mozilla_dom_FileList_h
69