gecko-dev/dom/file/FileList.h

68 строки
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_FileList_h
#define mozilla_dom_FileList_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/UnionTypes.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
namespace mozilla {
namespace dom {
class BlobImpls;
class File;
class FileList final : public nsISupports, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FileList)
explicit FileList(nsISupports* aParent) : mParent(aParent) {}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
nsISupports* GetParentObject() { return mParent; }
bool Append(File* aFile) {
MOZ_ASSERT(aFile);
return mFiles.AppendElement(aFile, fallible);
}
bool Remove(uint32_t aIndex) {
if (aIndex < mFiles.Length()) {
mFiles.RemoveElementAt(aIndex);
return true;
}
return false;
}
void Clear() { return mFiles.Clear(); }
File* Item(uint32_t aIndex) const;
File* IndexedGetter(uint32_t aIndex, bool& aFound) const;
uint32_t Length() const { return mFiles.Length(); }
void ToSequence(Sequence<RefPtr<File>>& aSequence, ErrorResult& aRv) const;
private:
~FileList() = default;
FallibleTArray<RefPtr<File>> mFiles;
nsCOMPtr<nsISupports> mParent;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_FileList_h