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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PDF_URL_LOADER_WRAPPER_H_
#define PDF_URL_LOADER_WRAPPER_H_
#include <stdint.h>
#include <string>
#include "pdf/ppapi_migration/callback.h"
namespace chrome_pdf {
class URLLoaderWrapper {
public:
virtual ~URLLoaderWrapper() {}
// Returns length of content, will be -1, if it is unknown.
virtual int GetContentLength() const = 0;
// Returns if the response headers contains "accept-ranges".
virtual bool IsAcceptRangesBytes() const = 0;
// Returns if the content encoded in response.
virtual bool IsContentEncoded() const = 0;
// Returns response content type.
virtual std::string GetContentType() const = 0;
// Returns response content disposition.
virtual std::string GetContentDisposition() const = 0;
// Returns response status code.
virtual int GetStatusCode() const = 0;
// Returns if the response contains multi parts.
virtual bool IsMultipart() const = 0;
// If true, |start| contains the start of the byte range.
// If false, response contains full document and |start| will be undefined.
virtual bool GetByteRangeStart(int* start) const = 0;
// Close connection.
virtual void Close() = 0;
// Open new connection and send http range request.
virtual void OpenRange(const std::string& url,
const std::string& referrer_url,
uint32_t position,
uint32_t size,
ResultCallback callback) = 0;
// Read the response body. The size of the buffer must be large enough to
// hold the specified number of bytes to read.
// This function might perform a partial read.
virtual void ReadResponseBody(char* buffer,
int buffer_size,
ResultCallback callback) = 0;
};
} // namespace chrome_pdf
#endif // PDF_URL_LOADER_WRAPPER_H_
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