mirror of
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94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/FileList.h"
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#include <new>
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#include <utility>
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#include "ErrorList.h"
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#include "js/RootingAPI.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/MacroForEach.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FileListBinding.h"
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#include "mozilla/fallible.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsCycleCollectionTraversalCallback.h"
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#include "nsISupports.h"
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#include "nsTArray.h"
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#include "nsWrapperCache.h"
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileList, mFiles, mParent)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileList)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(FileList)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(FileList)
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FileList::FileList(nsISupports* aParent) : mParent(aParent) {}
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FileList::~FileList() = default;
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JSObject* FileList::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return mozilla::dom::FileList_Binding::Wrap(aCx, this, aGivenProto);
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}
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bool FileList::Append(File* aFile) {
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MOZ_ASSERT(aFile);
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return mFiles.AppendElement(aFile, fallible);
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}
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bool FileList::Remove(uint32_t aIndex) {
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if (aIndex < mFiles.Length()) {
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mFiles.RemoveElementAt(aIndex);
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return true;
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}
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return false;
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}
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void FileList::Clear() { return mFiles.Clear(); }
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File* FileList::Item(uint32_t aIndex) const {
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if (aIndex >= mFiles.Length()) {
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return nullptr;
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}
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return mFiles[aIndex];
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}
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File* FileList::IndexedGetter(uint32_t aIndex, bool& aFound) const {
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aFound = aIndex < mFiles.Length();
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return Item(aIndex);
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}
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void FileList::ToSequence(Sequence<RefPtr<File>>& aSequence,
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ErrorResult& aRv) const {
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MOZ_ASSERT(aSequence.IsEmpty());
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if (mFiles.IsEmpty()) {
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return;
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}
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if (!aSequence.SetLength(mFiles.Length(), mozilla::fallible_t())) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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for (uint32_t i = 0; i < mFiles.Length(); ++i) {
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aSequence[i] = mFiles[i];
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}
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}
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} // namespace mozilla::dom
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