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// Copyright 2017 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_UI_WEBUI_PRINT_PREVIEW_LOCAL_PRINTER_HANDLER_CHROMEOS_H_
#define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_LOCAL_PRINTER_HANDLER_CHROMEOS_H_
#include <memory>
#include <optional>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "chrome/browser/ui/webui/print_preview/printer_handler.h"
#include "chromeos/crosapi/mojom/local_printer.mojom.h"
namespace base {
class Value;
}
namespace content {
class WebContents;
}
namespace printing {
// Managed print options constants.
inline constexpr char kManagedPrintOptions[] = "managedPrintOptions";
inline constexpr char kManagedPrintOptions_DefaultValue[] = "defaultValue";
inline constexpr char kManagedPrintOptions_AllowedValues[] = "allowedValues";
inline constexpr char kManagedPrintOptions_SizeWidth[] = "width";
inline constexpr char kManagedPrintOptions_SizeHeight[] = "height";
inline constexpr char kManagedPrintOptions_DpiHorizontal[] = "horizontal";
inline constexpr char kManagedPrintOptions_DpiVertical[] = "vertical";
inline constexpr char kManagedPrintOptions_MediaSize[] = "mediaSize";
inline constexpr char kManagedPrintOptions_MediaType[] = "mediaType";
inline constexpr char kManagedPrintOptions_Duplex[] = "duplex";
inline constexpr char kManagedPrintOptions_Color[] = "color";
inline constexpr char kManagedPrintOptions_Dpi[] = "dpi";
inline constexpr char kManagedPrintOptions_Quality[] = "quality";
inline constexpr char kManagedPrintOptions_PrintAsImage[] = "printAsImage";
// This class must be created and used on the UI thread.
class LocalPrinterHandlerChromeos : public PrinterHandler {
public:
using AshJobSettingsCallback =
base::OnceCallback<void(base::Value::Dict settings)>;
static std::unique_ptr<LocalPrinterHandlerChromeos> Create(
content::WebContents* preview_web_contents);
// Creates an instance suitable for testing with the given mojo connection to
// Ash Chrome and with `preview_web_contents_` set to nullptr. PrinterHandler
// methods run input callbacks with reasonable defaults when the mojo
// connection is unavailable.
static std::unique_ptr<LocalPrinterHandlerChromeos> CreateForTesting(
crosapi::mojom::LocalPrinter* local_printer);
// Prefer using Create() above.
explicit LocalPrinterHandlerChromeos(
content::WebContents* preview_web_contents);
LocalPrinterHandlerChromeos(const LocalPrinterHandlerChromeos&) = delete;
LocalPrinterHandlerChromeos& operator=(const LocalPrinterHandlerChromeos&) =
delete;
~LocalPrinterHandlerChromeos() override;
// Returns a LocalDestinationInfo object (defined in
// chrome/browser/resources/print_preview/data/local_parsers.js).
static base::Value::Dict PrinterToValue(
const crosapi::mojom::LocalDestinationInfo& printer);
// Returns a CapabilitiesResponse object (defined in
// chrome/browser/resources/print_preview/native_layer.js).
static base::Value::Dict CapabilityToValue(
crosapi::mojom::CapabilitiesResponsePtr caps);
// Returns a PrinterStatus object (defined in
// chrome/browser/resources/print_preview/data/printer_status_cros.ts).
static base::Value::Dict StatusToValue(
const crosapi::mojom::PrinterStatus& status);
// Return a ManagedPrintOptions object (defined in
// chrome/browser/resources/print_preview/data/managed_print_options_cros.ts).
static base::Value::Dict ManagedPrintOptionsToValue(
const crosapi::mojom::ManagedPrintOptions& managed_print_options);
// PrinterHandler implementation.
void Reset() override;
void GetDefaultPrinter(DefaultPrinterCallback callback) override;
void StartGetPrinters(AddedPrintersCallback added_printers_callback,
GetPrintersDoneCallback done_callback) override;
void StartGetCapability(const std::string& destination_id,
GetCapabilityCallback callback) override;
void StartPrint(const std::u16string& job_title,
base::Value::Dict settings,
scoped_refptr<base::RefCountedMemory> print_data,
PrintCallback callback) override;
void StartGetEulaUrl(const std::string& destination_id,
GetEulaUrlCallback callback) override;
void StartPrinterStatusRequest(
const std::string& printer_id,
PrinterStatusRequestCallback callback) override;
// Public wrapper for `GetAshJobSettings` to use in tests.
void GetAshJobSettingsForTesting(std::string printer_id,
AshJobSettingsCallback callback,
base::Value::Dict settings);
private:
// Get ash-specific job settings for the specified printer, merge them with
// `settings`, and run `callback` with the result.
void GetAshJobSettings(std::string printer_id,
AshJobSettingsCallback callback,
base::Value::Dict settings);
// These functions call the corresponding `LocalPrinter` function, convert the
// result to a job setting, add it to `settings`, and call `callback` with the
// result.
void GetUsernamePerPolicy(AshJobSettingsCallback callback,
base::Value::Dict settings) const;
void GetOAuthToken(const std::string& printer_id,
AshJobSettingsCallback callback,
base::Value::Dict settings) const;
void GetIppClientInfo(const std::string& printer_id,
AshJobSettingsCallback callback,
base::Value::Dict settings) const;
// Wrapper for `printing::StartLocalPrint()` to use as a callback bound to the
// lifetime of `this`.
void CallStartLocalPrint(scoped_refptr<base::RefCountedMemory> print_data,
PrinterHandler::PrintCallback callback,
base::Value::Dict settings);
const raw_ptr<content::WebContents> preview_web_contents_;
raw_ptr<crosapi::mojom::LocalPrinter> local_printer_ = nullptr;
base::WeakPtrFactory<LocalPrinterHandlerChromeos> weak_ptr_factory_{this};
};
} // namespace printing
#endif // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_LOCAL_PRINTER_HANDLER_CHROMEOS_H_
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