diff options
Diffstat (limited to 'dom/base/FileList.cpp')
-rw-r--r-- | dom/base/FileList.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/dom/base/FileList.cpp b/dom/base/FileList.cpp new file mode 100644 index 0000000000..79aef3e065 --- /dev/null +++ b/dom/base/FileList.cpp @@ -0,0 +1,86 @@ +/* -*- 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/. */ + +#include "mozilla/dom/Directory.h" +#include "mozilla/dom/FileList.h" +#include "mozilla/dom/FileListBinding.h" +#include "mozilla/dom/File.h" + +namespace mozilla { +namespace dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileList, mFiles, mParent) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileList) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFileList) + NS_INTERFACE_MAP_ENTRY(nsIDOMFileList) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(FileList) +NS_IMPL_CYCLE_COLLECTING_RELEASE(FileList) + +JSObject* +FileList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) +{ + return mozilla::dom::FileListBinding::Wrap(aCx, this, aGivenProto); +} + +NS_IMETHODIMP +FileList::GetLength(uint32_t* aLength) +{ + *aLength = Length(); + + return NS_OK; +} + +NS_IMETHODIMP +FileList::Item(uint32_t aIndex, nsISupports** aValue) +{ + nsCOMPtr<nsIDOMBlob> file = Item(aIndex); + file.forget(aValue); + return NS_OK; +} + +File* +FileList::Item(uint32_t aIndex) const +{ + if (aIndex >= mFiles.Length()) { + return nullptr; + } + + return mFiles[aIndex]; +} + +File* +FileList::IndexedGetter(uint32_t aIndex, bool& aFound) const +{ + aFound = aIndex < mFiles.Length(); + return Item(aIndex); +} + +void +FileList::ToSequence(Sequence<RefPtr<File>>& aSequence, + ErrorResult& aRv) const +{ + MOZ_ASSERT(aSequence.IsEmpty()); + if (mFiles.IsEmpty()) { + return; + } + + if (!aSequence.SetLength(mFiles.Length(), + mozilla::fallible_t())) { + aRv.Throw(NS_ERROR_OUT_OF_MEMORY); + return; + } + + for (uint32_t i = 0; i < mFiles.Length(); ++i) { + aSequence[i] = mFiles[i]; + } +} + +} // namespace dom +} // namespace mozilla |