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dom/quota/FileStreams.h@6474c204b198 (annotated)

dom/quota/FileStreams.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim: set ts=2 et sw=2 tw=80: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef mozilla_dom_quota_filestreams_h__
michael@0	8	#define mozilla_dom_quota_filestreams_h__
michael@0	9
michael@0	10	#include "QuotaCommon.h"
michael@0	11
michael@0	12	#include "nsFileStreams.h"
michael@0	13
michael@0	14	#include "PersistenceType.h"
michael@0	15	#include "QuotaObject.h"
michael@0	16
michael@0	17	BEGIN_QUOTA_NAMESPACE
michael@0	18
michael@0	19	template <class FileStreamBase>
michael@0	20	class FileQuotaStream : public FileStreamBase
michael@0	21	{
michael@0	22	public:
michael@0	23	// nsFileStreamBase override
michael@0	24	NS_IMETHOD
michael@0	25	SetEOF() MOZ_OVERRIDE;
michael@0	26
michael@0	27	NS_IMETHOD
michael@0	28	Close() MOZ_OVERRIDE;
michael@0	29
michael@0	30	protected:
michael@0	31	FileQuotaStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	32	const nsACString& aOrigin)
michael@0	33	: mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin)
michael@0	34	{ }
michael@0	35
michael@0	36	// nsFileStreamBase override
michael@0	37	virtual nsresult
michael@0	38	DoOpen() MOZ_OVERRIDE;
michael@0	39
michael@0	40	PersistenceType mPersistenceType;
michael@0	41	nsCString mGroup;
michael@0	42	nsCString mOrigin;
michael@0	43	nsRefPtr<QuotaObject> mQuotaObject;
michael@0	44	};
michael@0	45
michael@0	46	template <class FileStreamBase>
michael@0	47	class FileQuotaStreamWithWrite : public FileQuotaStream<FileStreamBase>
michael@0	48	{
michael@0	49	public:
michael@0	50	// nsFileStreamBase override
michael@0	51	NS_IMETHOD
michael@0	52	Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) MOZ_OVERRIDE;
michael@0	53
michael@0	54	protected:
michael@0	55	FileQuotaStreamWithWrite(PersistenceType aPersistenceType,
michael@0	56	const nsACString& aGroup, const nsACString& aOrigin)
michael@0	57	: FileQuotaStream<FileStreamBase>(aPersistenceType, aGroup, aOrigin)
michael@0	58	{ }
michael@0	59	};
michael@0	60
michael@0	61	class FileInputStream : public FileQuotaStream<nsFileInputStream>
michael@0	62	{
michael@0	63	public:
michael@0	64	NS_DECL_ISUPPORTS_INHERITED
michael@0	65
michael@0	66	static already_AddRefed<FileInputStream>
michael@0	67	Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	68	const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0	69	int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0	70
michael@0	71	private:
michael@0	72	FileInputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	73	const nsACString& aOrigin)
michael@0	74	: FileQuotaStream<nsFileInputStream>(aPersistenceType, aGroup, aOrigin)
michael@0	75	{ }
michael@0	76
michael@0	77	virtual ~FileInputStream() {
michael@0	78	Close();
michael@0	79	}
michael@0	80	};
michael@0	81
michael@0	82	class FileOutputStream : public FileQuotaStreamWithWrite<nsFileOutputStream>
michael@0	83	{
michael@0	84	public:
michael@0	85	NS_DECL_ISUPPORTS_INHERITED
michael@0	86
michael@0	87	static already_AddRefed<FileOutputStream>
michael@0	88	Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	89	const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0	90	int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0	91
michael@0	92	private:
michael@0	93	FileOutputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	94	const nsACString& aOrigin)
michael@0	95	: FileQuotaStreamWithWrite<nsFileOutputStream>(aPersistenceType, aGroup,
michael@0	96	aOrigin)
michael@0	97	{ }
michael@0	98
michael@0	99	virtual ~FileOutputStream() {
michael@0	100	Close();
michael@0	101	}
michael@0	102	};
michael@0	103
michael@0	104	class FileStream : public FileQuotaStreamWithWrite<nsFileStream>
michael@0	105	{
michael@0	106	public:
michael@0	107	NS_DECL_ISUPPORTS_INHERITED
michael@0	108
michael@0	109	static already_AddRefed<FileStream>
michael@0	110	Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	111	const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
michael@0	112	int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
michael@0	113
michael@0	114	private:
michael@0	115	FileStream(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0	116	const nsACString& aOrigin)
michael@0	117	: FileQuotaStreamWithWrite<nsFileStream>(aPersistenceType, aGroup, aOrigin)
michael@0	118	{ }
michael@0	119
michael@0	120	virtual ~FileStream() {
michael@0	121	Close();
michael@0	122	}
michael@0	123	};
michael@0	124
michael@0	125	END_QUOTA_NAMESPACE
michael@0	126
michael@0	127	#endif /* mozilla_dom_quota_filestreams_h__ */