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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/quota/FileStreams.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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-rw-r--r--dom/quota/FileStreams.h127
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diff --git a/dom/quota/FileStreams.h b/dom/quota/FileStreams.h
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+/* -*- 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/. */
+
+#ifndef mozilla_dom_quota_filestreams_h__
+#define mozilla_dom_quota_filestreams_h__
+
+#include "QuotaCommon.h"
+
+#include "nsFileStreams.h"
+
+#include "PersistenceType.h"
+#include "QuotaObject.h"
+
+BEGIN_QUOTA_NAMESPACE
+
+template <class FileStreamBase>
+class FileQuotaStream : public FileStreamBase
+{
+public:
+ // nsFileStreamBase override
+ NS_IMETHOD
+ SetEOF() override;
+
+ NS_IMETHOD
+ Close() override;
+
+protected:
+ FileQuotaStream(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin)
+ : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin)
+ { }
+
+ // nsFileStreamBase override
+ virtual nsresult
+ DoOpen() override;
+
+ PersistenceType mPersistenceType;
+ nsCString mGroup;
+ nsCString mOrigin;
+ RefPtr<QuotaObject> mQuotaObject;
+};
+
+template <class FileStreamBase>
+class FileQuotaStreamWithWrite : public FileQuotaStream<FileStreamBase>
+{
+public:
+ // nsFileStreamBase override
+ NS_IMETHOD
+ Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) override;
+
+protected:
+ FileQuotaStreamWithWrite(PersistenceType aPersistenceType,
+ const nsACString& aGroup, const nsACString& aOrigin)
+ : FileQuotaStream<FileStreamBase>(aPersistenceType, aGroup, aOrigin)
+ { }
+};
+
+class FileInputStream : public FileQuotaStream<nsFileInputStream>
+{
+public:
+ NS_DECL_ISUPPORTS_INHERITED
+
+ static already_AddRefed<FileInputStream>
+ Create(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
+ int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
+
+private:
+ FileInputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin)
+ : FileQuotaStream<nsFileInputStream>(aPersistenceType, aGroup, aOrigin)
+ { }
+
+ virtual ~FileInputStream() {
+ Close();
+ }
+};
+
+class FileOutputStream : public FileQuotaStreamWithWrite<nsFileOutputStream>
+{
+public:
+ NS_DECL_ISUPPORTS_INHERITED
+
+ static already_AddRefed<FileOutputStream>
+ Create(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
+ int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
+
+private:
+ FileOutputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin)
+ : FileQuotaStreamWithWrite<nsFileOutputStream>(aPersistenceType, aGroup,
+ aOrigin)
+ { }
+
+ virtual ~FileOutputStream() {
+ Close();
+ }
+};
+
+class FileStream : public FileQuotaStreamWithWrite<nsFileStream>
+{
+public:
+ NS_DECL_ISUPPORTS_INHERITED
+
+ static already_AddRefed<FileStream>
+ Create(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
+ int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
+
+private:
+ FileStream(PersistenceType aPersistenceType, const nsACString& aGroup,
+ const nsACString& aOrigin)
+ : FileQuotaStreamWithWrite<nsFileStream>(aPersistenceType, aGroup, aOrigin)
+ { }
+
+ virtual ~FileStream() {
+ Close();
+ }
+};
+
+END_QUOTA_NAMESPACE
+
+#endif /* mozilla_dom_quota_filestreams_h__ */