dom/file/FileList.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_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_WRAPPERCACHE_CLASS(FileList)
  36
  37   explicit FileList(nsISupports* aParent);
  38
  39   JSObject* WrapObject(JSContext* aCx,
  40                        JS::Handle<JSObject*> aGivenProto) override;
  41
  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
  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