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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PDF_BROWSER_PLUGIN_RESPONSE_WRITER_H_
#define COMPONENTS_PDF_BROWSER_PLUGIN_RESPONSE_WRITER_H_
#include <memory>
#include <string>
#include "base/functional/callback_forward.h"
#include "components/pdf/browser/pdf_stream_delegate.h"
#include "mojo/public/c/system/types.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/url_loader.mojom.h"
namespace mojo {
class DataPipeProducer;
} // namespace mojo
namespace pdf {
// Writes out a response containing an <embed> with type
// "application/x-google-chrome-pdf". `PdfURLLoaderRequestInterceptor` replaces
// PDF loads with this response in order to trigger loading `source_url` with
// `chrome_pdf::PdfViewWebPlugin` instead.
class PluginResponseWriter final {
public:
PluginResponseWriter(
const PdfStreamDelegate::StreamInfo& stream_info,
mojo::PendingRemote<network::mojom::URLLoaderClient> client);
PluginResponseWriter(const PluginResponseWriter&) = delete;
PluginResponseWriter& operator=(const PluginResponseWriter&) = delete;
~PluginResponseWriter();
// Starts sending the response, calling `done_callback` once the entire
// response is sent to (but not necessarily received by) the
// `URLLoaderClient`.
//
// Caller is responsible for keeping this response writer alive until
// `done_callback` is called.
void Start(base::OnceClosure done_callback);
private:
void OnWrite(base::OnceClosure done_callback, MojoResult result);
std::string body_;
mojo::Remote<network::mojom::URLLoaderClient> client_;
std::unique_ptr<mojo::DataPipeProducer> producer_;
std::string coep_header_;
};
} // namespace pdf
#endif // COMPONENTS_PDF_BROWSER_PLUGIN_RESPONSE_WRITER_H_
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