diff options
Diffstat (limited to 'dom/filesystem/compat/FileSystemFileEntry.cpp')
-rw-r--r-- | dom/filesystem/compat/FileSystemFileEntry.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemFileEntry.cpp b/dom/filesystem/compat/FileSystemFileEntry.cpp new file mode 100644 index 0000000000..59216641cc --- /dev/null +++ b/dom/filesystem/compat/FileSystemFileEntry.cpp @@ -0,0 +1,94 @@ +/* -*- 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 "FileSystemFileEntry.h" +#include "CallbackRunnables.h" +#include "mozilla/dom/File.h" +#include "mozilla/dom/FileSystemUtils.h" +#include "mozilla/dom/MultipartBlobImpl.h" +#include "mozilla/dom/FileSystemFileEntryBinding.h" + +namespace mozilla::dom { + +namespace { + +class FileCallbackRunnable final : public Runnable { + public: + FileCallbackRunnable(FileCallback* aCallback, File* aFile) + : Runnable("FileCallbackRunnable"), mCallback(aCallback), mFile(aFile) { + MOZ_ASSERT(aCallback); + MOZ_ASSERT(aFile); + } + + // MOZ_CAN_RUN_SCRIPT_BOUNDARY until Runnable::Run is MOZ_CAN_RUN_SCRIPT. See + // bug 1535398. + MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD Run() override { + // Here we clone the File object. + + RefPtr<File> file = File::Create(mFile->GetParentObject(), mFile->Impl()); + mCallback->Call(*file); + return NS_OK; + } + + private: + const RefPtr<FileCallback> mCallback; + RefPtr<File> mFile; +}; + +} // anonymous namespace + +NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileEntry, FileSystemEntry, mFile) + +NS_IMPL_ADDREF_INHERITED(FileSystemFileEntry, FileSystemEntry) +NS_IMPL_RELEASE_INHERITED(FileSystemFileEntry, FileSystemEntry) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemFileEntry) +NS_INTERFACE_MAP_END_INHERITING(FileSystemEntry) + +FileSystemFileEntry::FileSystemFileEntry(nsIGlobalObject* aGlobal, File* aFile, + FileSystemDirectoryEntry* aParentEntry, + FileSystem* aFileSystem) + : FileSystemEntry(aGlobal, aParentEntry, aFileSystem), mFile(aFile) { + MOZ_ASSERT(aGlobal); + MOZ_ASSERT(mFile); +} + +FileSystemFileEntry::~FileSystemFileEntry() = default; + +JSObject* FileSystemFileEntry::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return FileSystemFileEntry_Binding::Wrap(aCx, this, aGivenProto); +} + +void FileSystemFileEntry::GetName(nsAString& aName, ErrorResult& aRv) const { + mFile->GetName(aName); +} + +void FileSystemFileEntry::GetFullPath(nsAString& aPath, + ErrorResult& aRv) const { + mFile->Impl()->GetDOMPath(aPath); + if (aPath.IsEmpty()) { + // We're under the root directory. webkitRelativePath + // (implemented as GetPath) is for cases when file is selected because its + // ancestor directory is selected. But that is not the case here, so need to + // manually prepend '/'. + nsAutoString name; + mFile->GetName(name); + aPath.AssignLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL); + aPath.Append(name); + } +} + +void FileSystemFileEntry::GetFile( + FileCallback& aSuccessCallback, + const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) const { + RefPtr<FileCallbackRunnable> runnable = + new FileCallbackRunnable(&aSuccessCallback, mFile); + + FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget()); +} + +} // namespace mozilla::dom |