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comparison: dom/quota/FileStreams.h
dom/quota/FileStreams.h
- changeset 0
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| -1:000000000000 | 0:bf3881dc376d |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_dom_quota_filestreams_h__ | |
| 8 #define mozilla_dom_quota_filestreams_h__ | |
| 9 | |
| 10 #include "QuotaCommon.h" | |
| 11 | |
| 12 #include "nsFileStreams.h" | |
| 13 | |
| 14 #include "PersistenceType.h" | |
| 15 #include "QuotaObject.h" | |
| 16 | |
| 17 BEGIN_QUOTA_NAMESPACE | |
| 18 | |
| 19 template <class FileStreamBase> | |
| 20 class FileQuotaStream : public FileStreamBase | |
| 21 { | |
| 22 public: | |
| 23 // nsFileStreamBase override | |
| 24 NS_IMETHOD | |
| 25 SetEOF() MOZ_OVERRIDE; | |
| 26 | |
| 27 NS_IMETHOD | |
| 28 Close() MOZ_OVERRIDE; | |
| 29 | |
| 30 protected: | |
| 31 FileQuotaStream(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 32 const nsACString& aOrigin) | |
| 33 : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin) | |
| 34 { } | |
| 35 | |
| 36 // nsFileStreamBase override | |
| 37 virtual nsresult | |
| 38 DoOpen() MOZ_OVERRIDE; | |
| 39 | |
| 40 PersistenceType mPersistenceType; | |
| 41 nsCString mGroup; | |
| 42 nsCString mOrigin; | |
| 43 nsRefPtr<QuotaObject> mQuotaObject; | |
| 44 }; | |
| 45 | |
| 46 template <class FileStreamBase> | |
| 47 class FileQuotaStreamWithWrite : public FileQuotaStream<FileStreamBase> | |
| 48 { | |
| 49 public: | |
| 50 // nsFileStreamBase override | |
| 51 NS_IMETHOD | |
| 52 Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) MOZ_OVERRIDE; | |
| 53 | |
| 54 protected: | |
| 55 FileQuotaStreamWithWrite(PersistenceType aPersistenceType, | |
| 56 const nsACString& aGroup, const nsACString& aOrigin) | |
| 57 : FileQuotaStream<FileStreamBase>(aPersistenceType, aGroup, aOrigin) | |
| 58 { } | |
| 59 }; | |
| 60 | |
| 61 class FileInputStream : public FileQuotaStream<nsFileInputStream> | |
| 62 { | |
| 63 public: | |
| 64 NS_DECL_ISUPPORTS_INHERITED | |
| 65 | |
| 66 static already_AddRefed<FileInputStream> | |
| 67 Create(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 68 const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1, | |
| 69 int32_t aPerm = -1, int32_t aBehaviorFlags = 0); | |
| 70 | |
| 71 private: | |
| 72 FileInputStream(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 73 const nsACString& aOrigin) | |
| 74 : FileQuotaStream<nsFileInputStream>(aPersistenceType, aGroup, aOrigin) | |
| 75 { } | |
| 76 | |
| 77 virtual ~FileInputStream() { | |
| 78 Close(); | |
| 79 } | |
| 80 }; | |
| 81 | |
| 82 class FileOutputStream : public FileQuotaStreamWithWrite<nsFileOutputStream> | |
| 83 { | |
| 84 public: | |
| 85 NS_DECL_ISUPPORTS_INHERITED | |
| 86 | |
| 87 static already_AddRefed<FileOutputStream> | |
| 88 Create(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 89 const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1, | |
| 90 int32_t aPerm = -1, int32_t aBehaviorFlags = 0); | |
| 91 | |
| 92 private: | |
| 93 FileOutputStream(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 94 const nsACString& aOrigin) | |
| 95 : FileQuotaStreamWithWrite<nsFileOutputStream>(aPersistenceType, aGroup, | |
| 96 aOrigin) | |
| 97 { } | |
| 98 | |
| 99 virtual ~FileOutputStream() { | |
| 100 Close(); | |
| 101 } | |
| 102 }; | |
| 103 | |
| 104 class FileStream : public FileQuotaStreamWithWrite<nsFileStream> | |
| 105 { | |
| 106 public: | |
| 107 NS_DECL_ISUPPORTS_INHERITED | |
| 108 | |
| 109 static already_AddRefed<FileStream> | |
| 110 Create(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 111 const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1, | |
| 112 int32_t aPerm = -1, int32_t aBehaviorFlags = 0); | |
| 113 | |
| 114 private: | |
| 115 FileStream(PersistenceType aPersistenceType, const nsACString& aGroup, | |
| 116 const nsACString& aOrigin) | |
| 117 : FileQuotaStreamWithWrite<nsFileStream>(aPersistenceType, aGroup, aOrigin) | |
| 118 { } | |
| 119 | |
| 120 virtual ~FileStream() { | |
| 121 Close(); | |
| 122 } | |
| 123 }; | |
| 124 | |
| 125 END_QUOTA_NAMESPACE | |
| 126 | |
| 127 #endif /* mozilla_dom_quota_filestreams_h__ */ |
