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// Copyright 2018 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 CHROME_BROWSER_PRINTING_PDF_NUP_CONVERTER_CLIENT_H_
#define CHROME_BROWSER_PRINTING_PDF_NUP_CONVERTER_CLIENT_H_
#include <map>
#include <memory>
#include "chrome/services/printing/public/mojom/pdf_nup_converter.mojom.h"
#include "content/public/browser/web_contents_user_data.h"
#include "services/service_manager/public/cpp/connector.h"
namespace printing {
// Class to manage print requests and their communication with pdf N-up
// converter service.
// Each N-up conversion request has a separate interface pointer to connect
// with remote service. The request and its printing results are tracked by its
// document cookie.
class PdfNupConverterClient
: public content::WebContentsUserData<PdfNupConverterClient> {
public:
explicit PdfNupConverterClient(content::WebContents* web_contents);
~PdfNupConverterClient() override;
void DoNupPdfConvert(
int document_cookie,
uint32_t pages_per_sheet,
const gfx::Size& page_size,
const gfx::Rect& printable_area,
std::vector<base::ReadOnlySharedMemoryRegion> pdf_page_regions,
mojom::PdfNupConverter::NupPageConvertCallback callback);
void DoNupPdfDocumentConvert(
int document_cookie,
uint32_t pages_per_sheet,
const gfx::Size& page_size,
const gfx::Rect& printable_area,
base::ReadOnlySharedMemoryRegion src_pdf_document,
mojom::PdfNupConverter::NupDocumentConvertCallback callback);
private:
friend class content::WebContentsUserData<PdfNupConverterClient>;
void OnDidNupPdfDocumentConvert(
int document_cookie,
mojom::PdfNupConverter::NupDocumentConvertCallback callback,
mojom::PdfNupConverter::Status status,
base::ReadOnlySharedMemoryRegion region);
// Get the request or create a new one if none exists.
mojom::PdfNupConverterPtr& GetPdfNupConverterRequest(int cookie);
// Remove an existing request from |pdf_nup_converter_map_|.
void RemovePdfNupConverterRequest(int cookie);
mojom::PdfNupConverterPtr CreatePdfNupConverterRequest();
std::unique_ptr<service_manager::Connector> connector_;
// Stores the mapping between document cookies and their corresponding
// requests.
std::map<int, mojom::PdfNupConverterPtr> pdf_nup_converter_map_;
content::WebContents* web_contents_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
DISALLOW_COPY_AND_ASSIGN(PdfNupConverterClient);
};
} // namespace printing
#endif // CHROME_BROWSER_PRINTING_PDF_NUP_CONVERTER_CLIENT_H_
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