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// Copyright 2022 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_PRINTING_BROWSER_PRINT_TO_PDF_PDF_PRINT_JOB_H_
#define COMPONENTS_PRINTING_BROWSER_PRINT_TO_PDF_PDF_PRINT_JOB_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/weak_ptr.h"
#include "components/printing/browser/print_to_pdf/pdf_print_result.h"
#include "components/printing/common/print.mojom.h"
#include "components/services/print_compositor/public/mojom/print_compositor.mojom.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents_observer.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
namespace base {
class ReadOnlySharedMemoryRegion;
}
namespace print_to_pdf {
class PdfPrintJob : public content::WebContentsObserver {
public:
using PrintToPdfCallback =
base::OnceCallback<void(PdfPrintResult,
scoped_refptr<base::RefCountedMemory>)>;
PdfPrintJob(const PdfPrintJob&) = delete;
PdfPrintJob& operator=(const PdfPrintJob&) = delete;
// Starts a PDF print job for the specified web contents that
// prints the current document pages specified by `page_ranges` with
// parameters, specified by `print_pages_params` into a PDF document,
// returned with `callback`. If `page_ranges` is empty, the entire
// document is printed.
//
// The job will delete itself when complete.
static void StartJob(
content::WebContents* contents,
content::RenderFrameHost* rfh,
const mojo::AssociatedRemote<printing::mojom::PrintRenderFrame>& remote,
const std::string& page_ranges,
printing::mojom::PrintPagesParamsPtr print_pages_params,
PrintToPdfCallback callback);
private:
PdfPrintJob(content::WebContents* contents,
content::RenderFrameHost* rfh,
PrintToPdfCallback callback);
~PdfPrintJob() override;
// WebContentsObserver overrides:
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
void OnDidPrintWithParams(
printing::mojom::PrintRenderFrame::PrintWithParamsResult result);
void OnCompositeDocumentToPdfDone(
printing::mojom::PrintCompositor::Status status,
base::ReadOnlySharedMemoryRegion region);
void ReportMemoryRegion(const base::ReadOnlySharedMemoryRegion& region);
void FailJob(PdfPrintResult result);
raw_ptr<content::RenderFrameHost> printing_rfh_;
PrintToPdfCallback print_to_pdf_callback_;
base::WeakPtrFactory<PdfPrintJob> weak_ptr_factory_{this};
};
} // namespace print_to_pdf
#endif // COMPONENTS_PRINTING_BROWSER_PRINT_TO_PDF_PDF_PRINT_JOB_H_
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