gecko-dev/dom/file/File.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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/. */
#ifndef mozilla_dom_file_file_h__
#define mozilla_dom_file_file_h__
#include "FileCommon.h"
#include "nsDOMFile.h"
#include "LockedFile.h"
BEGIN_FILE_NAMESPACE
class File : public nsDOMFileCC
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(File, nsDOMFileCC)
// Create as a file
File(const nsAString& aName, const nsAString& aContentType,
PRUint64 aLength, nsIFile* aFile, LockedFile* aLockedFile)
: nsDOMFileCC(aName, aContentType, aLength),
mFile(aFile), mLockedFile(aLockedFile),
mWholeFile(true), mStoredFile(false)
{
NS_ASSERTION(mFile, "Null file!");
NS_ASSERTION(mLockedFile, "Null locked file!");
}
// Create as a stored file
File(const nsAString& aName, const nsAString& aContentType,
PRUint64 aLength, nsIFile* aFile, LockedFile* aLockedFile,
FileInfo* aFileInfo)
: nsDOMFileCC(aName, aContentType, aLength),
mFile(aFile), mLockedFile(aLockedFile),
mWholeFile(true), mStoredFile(true)
{
NS_ASSERTION(mFile, "Null file!");
NS_ASSERTION(mLockedFile, "Null locked file!");
mFileInfos.AppendElement(aFileInfo);
}
// Overrides
NS_IMETHOD
GetMozFullPathInternal(nsAString& aFullPath);
NS_IMETHOD
GetInternalStream(nsIInputStream** aStream);
protected:
// Create slice
File(const File* aOther, PRUint64 aStart, PRUint64 aLength,
const nsAString& aContentType);
virtual ~File()
{ }
virtual already_AddRefed<nsIDOMBlob>
CreateSlice(PRUint64 aStart, PRUint64 aLength,
const nsAString& aContentType);
virtual bool
IsStoredFile() const
{
return mStoredFile;
}
virtual bool
IsWholeFile() const
{
return mWholeFile;
}
virtual bool
IsSnapshot() const
{
return true;
}
private:
nsCOMPtr<nsIFile> mFile;
nsRefPtr<LockedFile> mLockedFile;
bool mWholeFile;
bool mStoredFile;
};
END_FILE_NAMESPACE
#endif // mozilla_dom_file_file_h__