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// Copyright 2008, Google Inc.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef GEARS_LOCALSERVER_SAFARI_PROGRESS_INPUT_STREAM_H__
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#define GEARS_LOCALSERVER_SAFARI_PROGRESS_INPUT_STREAM_H__
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#import <Foundation/NSStream.h>
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#import "gears/base/common/basictypes.h"
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// ProgressInputStream is a wrapper around an NSInputStream that provides
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// notification to the native HttpRequest object as the stream is read.
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// This class should only be created by a SFHttpRequest, and that SFHttpRequest
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// should call OnSFHttpRequestDetached whenever the SFHttpRequest no longer
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// points to this ProgressInputStream (e.g. during SFHttpRequest's destructor).
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// This constraint is in order to let the two objects point to each other
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// without causing a reference cycle that prohibits deleting them after use.
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@interface ProgressInputStream: NSInputStream {
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SFHttpRequest *request_;
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NSInputStream *input_stream_;
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#pragma mark Public instance methods
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// Initializes a ProgressInputStream. |total| is the total number of bytes
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// contained within |input_stream|.
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- (id)initFromStream:(NSInputStream *)input_stream
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request:(SFHttpRequest *)request
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- (void)onSFHttpRequestDetached:(SFHttpRequest *)request;
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#endif // GEARS_LOCALSERVER_SAFARI_PROGRESS_INPUT_STREAM_H__