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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/. */
#include "FileSystemFileEntry.h"
#include "CallbackRunnables.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/MultipartBlobImpl.h"
#include "mozilla/dom/FileSystemFileEntryBinding.h"
namespace mozilla {
namespace dom {
namespace {
class FileCallbackRunnable final : public Runnable
{
public:
FileCallbackRunnable(FileCallback* aCallback, ErrorCallback* aErrorCallback,
File* aFile)
: mCallback(aCallback)
, mErrorCallback(aErrorCallback)
, mFile(aFile)
{
MOZ_ASSERT(aCallback);
MOZ_ASSERT(aFile);
}
NS_IMETHOD
Run() override
{
// Here we clone the File object.
nsAutoString name;
mFile->GetName(name);
nsAutoString type;
mFile->GetType(type);
nsTArray<RefPtr<BlobImpl>> blobImpls;
blobImpls.AppendElement(mFile->Impl());
ErrorResult rv;
RefPtr<BlobImpl> blobImpl =
MultipartBlobImpl::Create(Move(blobImpls), name, type, rv);
if (NS_WARN_IF(rv.Failed())) {
if (mErrorCallback) {
RefPtr<DOMException> exception =
DOMException::Create(rv.StealNSResult());
mErrorCallback->HandleEvent(*exception);
}
return NS_OK;
}
RefPtr<File> file = File::Create(mFile->GetParentObject(), blobImpl);
MOZ_ASSERT(file);
mCallback->HandleEvent(*file);
return NS_OK;
}
private:
RefPtr<FileCallback> mCallback;
RefPtr<ErrorCallback> mErrorCallback;
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_INHERITED(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()
{}
JSObject*
FileSystemFileEntry::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto)
{
return FileSystemFileEntryBinding::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,
aErrorCallback.WasPassed()
? &aErrorCallback.Value() : nullptr,
mFile);
DebugOnly<nsresult> rv = NS_DispatchToMainThread(runnable);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "NS_DispatchToMainThread failed");
}
} // dom namespace
} // mozilla namespace
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