michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 ArrayBufferInputStream_h
michael@0: #define ArrayBufferInputStream_h
michael@0: 
michael@0: #include "nsIArrayBufferInputStream.h"
michael@0: #include "js/Value.h"
michael@0: #include "mozilla/Maybe.h"
michael@0: 
michael@0: #define NS_ARRAYBUFFERINPUTSTREAM_CONTRACTID "@mozilla.org/io/arraybuffer-input-stream;1"
michael@0: #define NS_ARRAYBUFFERINPUTSTREAM_CID                \
michael@0: { /* 3014dde6-aa1c-41db-87d0-48764a3710f6 */         \
michael@0:     0x3014dde6,                                      \
michael@0:     0xaa1c,                                          \
michael@0:     0x41db,                                          \
michael@0:     {0x87, 0xd0, 0x48, 0x76, 0x4a, 0x37, 0x10, 0xf6} \
michael@0: }
michael@0: 
michael@0: class ArrayBufferInputStream : public nsIArrayBufferInputStream {
michael@0: public:
michael@0:   ArrayBufferInputStream();
michael@0:   virtual ~ArrayBufferInputStream() {}
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIARRAYBUFFERINPUTSTREAM
michael@0:   NS_DECL_NSIINPUTSTREAM
michael@0: 
michael@0: private:
michael@0:   mozilla::Maybe<JS::PersistentRooted<JS::Value> > mArrayBuffer;
michael@0:   uint8_t* mBuffer; // start of actual buffer
michael@0:   uint32_t mBufferLength; // length of slice
michael@0:   uint32_t mOffset; // permanent offset from start of actual buffer
michael@0:   uint32_t mPos; // offset from start of slice
michael@0:   bool mClosed;
michael@0: };
michael@0: 
michael@0: #endif // ArrayBufferInputStream_h