michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_quota_filestreams_h__
michael@0: #define mozilla_dom_quota_filestreams_h__
michael@0: 
michael@0: #include "QuotaCommon.h"
michael@0: 
michael@0: #include "nsFileStreams.h"
michael@0: 
michael@0: #include "PersistenceType.h"
michael@0: #include "QuotaObject.h"
michael@0: 
michael@0: BEGIN_QUOTA_NAMESPACE
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: class FileQuotaStream : public FileStreamBase
michael@0: {
michael@0: public:
michael@0:   // nsFileStreamBase override
michael@0:   NS_IMETHOD
michael@0:   SetEOF() MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   Close() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   FileQuotaStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:                   const nsACString& aOrigin)
michael@0:   : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin)
michael@0:   { }
michael@0: 
michael@0:   // nsFileStreamBase override
michael@0:   virtual nsresult
michael@0:   DoOpen() MOZ_OVERRIDE;
michael@0: 
michael@0:   PersistenceType mPersistenceType;
michael@0:   nsCString mGroup;
michael@0:   nsCString mOrigin;
michael@0:   nsRefPtr<QuotaObject> mQuotaObject;
michael@0: };
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: class FileQuotaStreamWithWrite : public FileQuotaStream<FileStreamBase>
michael@0: {
michael@0: public:
michael@0:   // nsFileStreamBase override
michael@0:   NS_IMETHOD
michael@0:   Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   FileQuotaStreamWithWrite(PersistenceType aPersistenceType,
michael@0:                            const nsACString& aGroup, const nsACString& aOrigin)
michael@0:   : FileQuotaStream<FileStreamBase>(aPersistenceType, aGroup, aOrigin)
michael@0:   { }
michael@0: };
michael@0: 
michael@0: class FileInputStream : public FileQuotaStream<nsFileInputStream>
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   static already_AddRefed<FileInputStream>
michael@0:   Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:          const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0:          int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0: 
michael@0: private:
michael@0:   FileInputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:                   const nsACString& aOrigin)
michael@0:   : FileQuotaStream<nsFileInputStream>(aPersistenceType, aGroup, aOrigin)
michael@0:   { }
michael@0: 
michael@0:   virtual ~FileInputStream() {
michael@0:     Close();
michael@0:   }
michael@0: };
michael@0: 
michael@0: class FileOutputStream : public FileQuotaStreamWithWrite<nsFileOutputStream>
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   static already_AddRefed<FileOutputStream>
michael@0:   Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:          const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0:          int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0: 
michael@0: private:
michael@0:   FileOutputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:                    const nsACString& aOrigin)
michael@0:   : FileQuotaStreamWithWrite<nsFileOutputStream>(aPersistenceType, aGroup,
michael@0:                                                  aOrigin)
michael@0:   { }
michael@0: 
michael@0:   virtual ~FileOutputStream() {
michael@0:     Close();
michael@0:   }
michael@0: };
michael@0: 
michael@0: class FileStream : public FileQuotaStreamWithWrite<nsFileStream>
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   static already_AddRefed<FileStream>
michael@0:   Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:          const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0:          int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0: 
michael@0: private:
michael@0:   FileStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:              const nsACString& aOrigin)
michael@0:   : FileQuotaStreamWithWrite<nsFileStream>(aPersistenceType, aGroup, aOrigin)
michael@0:   { }
michael@0: 
michael@0:   virtual ~FileStream() {
michael@0:     Close();
michael@0:   }
michael@0: };
michael@0: 
michael@0: END_QUOTA_NAMESPACE
michael@0: 
michael@0: #endif /* mozilla_dom_quota_filestreams_h__ */