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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIDOMFileList.h"
#include "nsWrapperCache.h"
namespace mozilla {
namespace dom {
class BlobImpls;
class File;
class FileList final : public nsIDOMFileList,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FileList)
NS_DECL_NSIDOMFILELIST
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();
}
static FileList* FromSupports(nsISupports* aSupports)
{
#ifdef DEBUG
{
nsCOMPtr<nsIDOMFileList> list_qi = do_QueryInterface(aSupports);
// If this assertion fires the QI implementation for the object in
// question doesn't use the nsIDOMFileList pointer as the nsISupports
// pointer. That must be fixed, or we'll crash...
NS_ASSERTION(list_qi == static_cast<nsIDOMFileList*>(aSupports),
"Uh, fix QI!");
}
#endif
return static_cast<FileList*>(aSupports);
}
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() {}
FallibleTArray<RefPtr<File>> mFiles;
nsCOMPtr<nsISupports> mParent;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_FileList_h
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