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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_PRINTING_PRINT_JOB_SUBMITTER_H_
#define CHROME_BROWSER_EXTENSIONS_API_PRINTING_PRINT_JOB_SUBMITTER_H_
#include <memory>
#include <optional>
#include <string>
#include "base/auto_reset.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/types/expected.h"
#include "chrome/common/extensions/api/printing.h"
#include "chromeos/crosapi/mojom/local_printer.mojom-forward.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
class BrowserContext;
} // namespace content
namespace gfx {
class Image;
} // namespace gfx
namespace views {
class NativeWindowTracker;
} // namespace views
namespace printing {
class PdfBlobDataFlattener;
class PrintedDocument;
class PrintJobController;
class PrintSettings;
struct FlattenPdfResult;
struct PrintJobCreatedInfo;
} // namespace printing
namespace extensions {
class Extension;
// Handles chrome.printing.submitJob() API request including parsing job
// arguments, sending errors and submitting print job to the printer.
class PrintJobSubmitter {
public:
// The error field in `PrintJobCreationResult` is std::nullopt when a print
// job is rejected by the user. In all other possible failure cases the error
// is well-formed.
using PrintJobCreationResult =
base::expected<printing::PrintJobCreatedInfo, std::optional<std::string>>;
using SubmitJobCallback = base::OnceCallback<void(PrintJobCreationResult)>;
PrintJobSubmitter(gfx::NativeWindow native_window,
content::BrowserContext* browser_context,
printing::PrintJobController* print_job_controller,
printing::PdfBlobDataFlattener* pdf_blob_data_flattener,
scoped_refptr<const extensions::Extension> extension,
api::printing::SubmitJobRequest request,
crosapi::mojom::LocalPrinter* local_printer,
SubmitJobCallback callback);
~PrintJobSubmitter();
static void Run(std::unique_ptr<PrintJobSubmitter> submitter);
static base::AutoReset<bool> DisablePdfFlatteningForTesting();
static void SkipConfirmationDialogForTesting();
private:
friend class PrintingAPIHandler;
void Start();
bool CheckContentType() const;
bool CheckPrintTicket();
void CheckPrinter();
void CheckCapabilitiesCompatibility(
crosapi::mojom::CapabilitiesResponsePtr capabilities);
void ReadDocumentData();
void OnDocumentDataRead(std::unique_ptr<std::string> data,
int64_t total_blob_length);
void OnPdfReadAndFlattened(
std::unique_ptr<printing::FlattenPdfResult> result);
void OnImageDataRead(std::string data, int64_t);
void ShowPrintJobConfirmationDialog(const gfx::Image& extension_icon);
void OnPrintJobConfirmationDialogClosed(bool accepted);
void StartPrintJob();
void OnPrintJobCreated(std::optional<printing::PrintJobCreatedInfo> info);
void FireErrorCallback(const std::string& error);
gfx::NativeWindow native_window_;
const raw_ptr<content::BrowserContext> browser_context_;
// Tracks whether `native_window_` got destroyed.
std::unique_ptr<views::NativeWindowTracker> native_window_tracker_;
// These objects are owned by PrintingAPIHandler.
const raw_ptr<printing::PrintJobController> print_job_controller_;
const raw_ref<printing::PdfBlobDataFlattener> pdf_blob_data_flattener_;
// TODO(crbug.com/40641692): Consider tracking extension being unloaded
// instead of storing scoped_refptr.
scoped_refptr<const extensions::Extension> extension_;
api::printing::SubmitJobRequest request_;
std::unique_ptr<printing::PrintSettings> settings_;
std::u16string printer_name_;
std::unique_ptr<printing::FlattenPdfResult> flatten_pdf_result_;
const raw_ptr<crosapi::mojom::LocalPrinter> local_printer_;
SubmitJobCallback callback_;
base::WeakPtrFactory<PrintJobSubmitter> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_PRINTING_PRINT_JOB_SUBMITTER_H_
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