The Tor Browser / file comparison
comparison: dom/file/ArchiveReader.h
dom/file/ArchiveReader.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f1d2d0f01db8 |
|---|---|
| 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 file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_dom_file_domarchivereader_h__ | |
| 8 #define mozilla_dom_file_domarchivereader_h__ | |
| 9 | |
| 10 #include "nsWrapperCache.h" | |
| 11 | |
| 12 #include "FileCommon.h" | |
| 13 | |
| 14 #include "nsCOMArray.h" | |
| 15 #include "nsIChannel.h" | |
| 16 #include "nsIDOMFile.h" | |
| 17 #include "mozilla/Attributes.h" | |
| 18 | |
| 19 namespace mozilla { | |
| 20 namespace dom { | |
| 21 class ArchiveReaderOptions; | |
| 22 class GlobalObject; | |
| 23 } // namespace dom | |
| 24 } // namespace mozilla | |
| 25 | |
| 26 BEGIN_FILE_NAMESPACE | |
| 27 | |
| 28 class ArchiveRequest; | |
| 29 | |
| 30 /** | |
| 31 * This is the ArchiveReader object | |
| 32 */ | |
| 33 class ArchiveReader MOZ_FINAL : public nsISupports, | |
| 34 public nsWrapperCache | |
| 35 { | |
| 36 public: | |
| 37 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 38 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ArchiveReader) | |
| 39 | |
| 40 static already_AddRefed<ArchiveReader> | |
| 41 Constructor(const GlobalObject& aGlobal, nsIDOMBlob* aBlob, | |
| 42 const ArchiveReaderOptions& aOptions, ErrorResult& aError); | |
| 43 | |
| 44 ArchiveReader(nsIDOMBlob* aBlob, nsPIDOMWindow* aWindow, | |
| 45 const nsACString& aEncoding); | |
| 46 | |
| 47 nsIDOMWindow* GetParentObject() const | |
| 48 { | |
| 49 return mWindow; | |
| 50 } | |
| 51 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 52 | |
| 53 already_AddRefed<ArchiveRequest> GetFilenames(); | |
| 54 already_AddRefed<ArchiveRequest> GetFile(const nsAString& filename); | |
| 55 already_AddRefed<ArchiveRequest> GetFiles(); | |
| 56 | |
| 57 nsresult GetInputStream(nsIInputStream** aInputStream); | |
| 58 nsresult GetSize(uint64_t* aSize); | |
| 59 | |
| 60 public: // for the ArchiveRequest: | |
| 61 nsresult RegisterRequest(ArchiveRequest* aRequest); | |
| 62 | |
| 63 public: // For events: | |
| 64 void Ready(nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList, | |
| 65 nsresult aStatus); | |
| 66 | |
| 67 private: | |
| 68 ~ArchiveReader(); | |
| 69 | |
| 70 already_AddRefed<ArchiveRequest> GenerateArchiveRequest(); | |
| 71 | |
| 72 nsresult OpenArchive(); | |
| 73 | |
| 74 void RequestReady(ArchiveRequest* aRequest); | |
| 75 | |
| 76 protected: | |
| 77 // The archive blob/file | |
| 78 nsCOMPtr<nsIDOMBlob> mBlob; | |
| 79 | |
| 80 // The window is needed by the requests | |
| 81 nsCOMPtr<nsPIDOMWindow> mWindow; | |
| 82 | |
| 83 // Are we ready to return data? | |
| 84 enum { | |
| 85 NOT_STARTED = 0, | |
| 86 WORKING, | |
| 87 READY | |
| 88 } mStatus; | |
| 89 | |
| 90 // State of the read: | |
| 91 enum { | |
| 92 Header, // We are collecting the header: 30bytes | |
| 93 Name, // The name length is contained in the header | |
| 94 Data, // The length of the data segment COULD be written in the header | |
| 95 Search // ... if the data length is unknown (== 0) we wait until we read a new header | |
| 96 } mReadStatus; | |
| 97 | |
| 98 // List of requests to be processed | |
| 99 nsTArray<nsRefPtr<ArchiveRequest> > mRequests; | |
| 100 | |
| 101 // Everything related to the blobs and the status: | |
| 102 struct { | |
| 103 nsTArray<nsCOMPtr<nsIDOMFile> > fileList; | |
| 104 nsresult status; | |
| 105 } mData; | |
| 106 | |
| 107 nsCString mEncoding; | |
| 108 }; | |
| 109 | |
| 110 END_FILE_NAMESPACE | |
| 111 | |
| 112 #endif // mozilla_dom_file_domarchivereader_h__ |
