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// Copyright 2014 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.
#include <string>
#include "base/callback.h"
#include "base/files/file.h"
#include "components/nacl/renderer/ppb_nacl_private.h"
#include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
namespace blink {
struct WebURLError;
class WebURLLoader;
class WebURLResponse;
}
namespace nacl {
// Downloads a file and writes the contents to a specified file open for
// writing.
class FileDownloader : public blink::WebURLLoaderClient {
public:
enum Status {
SUCCESS,
ACCESS_DENIED,
FAILED
};
// Provides the FileDownloader status and the HTTP status code.
typedef base::Callback<void(Status, base::File, int)> StatusCallback;
// Provides the bytes received so far, and the total bytes expected to be
// received.
typedef base::Callback<void(int64_t, int64_t)> ProgressCallback;
FileDownloader(scoped_ptr<blink::WebURLLoader> url_loader,
base::File file,
StatusCallback status_cb,
ProgressCallback progress_cb);
virtual ~FileDownloader();
void Load(const blink::WebURLRequest& request);
private:
// WebURLLoaderClient implementation.
virtual void didReceiveResponse(blink::WebURLLoader* loader,
const blink::WebURLResponse& response);
virtual void didReceiveData(blink::WebURLLoader* loader,
const char* data,
int data_length,
int encoded_data_length);
virtual void didFinishLoading(blink::WebURLLoader* loader,
double finish_time,
int64_t total_encoded_data_length);
virtual void didFail(blink::WebURLLoader* loader,
const blink::WebURLError& error);
scoped_ptr<blink::WebURLLoader> url_loader_;
base::File file_;
StatusCallback status_cb_;
ProgressCallback progress_cb_;
int http_status_code_;
int64_t total_bytes_received_;
int64_t total_bytes_to_be_received_;
Status status_;
};
} // namespace nacl
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