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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_css_StreamLoader_h
#define mozilla_css_StreamLoader_h
#include "nsIStreamListener.h"
#include "nsString.h"
#include "mozilla/css/SheetLoadData.h"
#include "mozilla/Assertions.h"
class nsIInputStream;
namespace mozilla {
namespace css {
class StreamLoader : public nsIStreamListener {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
explicit StreamLoader(SheetLoadData&);
void ChannelOpenFailed(nsresult rv) {
#ifdef NIGHTLY_BUILD
mChannelOpenFailed = true;
#endif
}
private:
virtual ~StreamLoader();
/**
* callback method used for ReadSegments
*/
static nsresult WriteSegmentFun(nsIInputStream*, void*, const char*, uint32_t,
uint32_t, uint32_t*);
void HandleBOM();
RefPtr<SheetLoadData> mSheetLoadData;
nsresult mStatus;
Maybe<const Encoding*> mEncodingFromBOM;
// We store the initial three bytes of the stream into mBOMBytes, and then
// use that buffer to detect a BOM. We then shift any non-BOM bytes into
// mBytes, and store all subsequent data in that buffer.
nsCString mBytes;
nsAutoCStringN<3> mBOMBytes;
#ifdef NIGHTLY_BUILD
bool mChannelOpenFailed = false;
bool mOnStopRequestCalled = false;
#endif
};
} // namespace css
} // namespace mozilla
#endif // mozilla_css_StreamLoader_h
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