/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsPrintSettingsServiceGTK.h"

#include "nsPrintSettingsGTK.h"

using namespace mozilla::embedding;

static void

serialize_gtk_printsettings_to_printdata(const gchar *key,

                                         const gchar *value,

                                         gpointer aData)

{

  PrintData* data = (PrintData*)aData;

  CStringKeyValue pair;

  pair.key() = key;

  pair.value() = value;

  data->GTKPrintSettings().AppendElement(pair);

}

NS_IMETHODIMP

nsPrintSettingsServiceGTK::SerializeToPrintData(nsIPrintSettings* aSettings,

                                                nsIWebBrowserPrint* aWBP,

                                                PrintData* data)

{

  nsresult rv = nsPrintSettingsService::SerializeToPrintData(aSettings, aWBP, data);

  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsPrintSettingsGTK> settingsGTK(do_QueryInterface(aSettings));

  NS_ENSURE_STATE(settingsGTK);

  GtkPrintSettings* gtkPrintSettings = settingsGTK->GetGtkPrintSettings();

  NS_ENSURE_STATE(gtkPrintSettings);

  gtk_print_settings_foreach(

    gtkPrintSettings,

    serialize_gtk_printsettings_to_printdata,

    data);

  return NS_OK;

}

NS_IMETHODIMP

nsPrintSettingsServiceGTK::DeserializeToPrintSettings(const PrintData& data,

                                                      nsIPrintSettings* settings)

{

  nsCOMPtr<nsPrintSettingsGTK> settingsGTK(do_QueryInterface(settings));

  NS_ENSURE_STATE(settingsGTK);

  nsresult rv = nsPrintSettingsService::DeserializeToPrintSettings(data, settings);

  NS_ENSURE_SUCCESS(rv, rv);

  // Instead of re-using the GtkPrintSettings that nsIPrintSettings is

  // wrapping, we'll create a new one to deserialize to and replace it

  // within nsIPrintSettings.

  GtkPrintSettings* newGtkPrintSettings = gtk_print_settings_new();

  for (uint32_t i = 0; i < data.GTKPrintSettings().Length(); ++i) {

    CStringKeyValue pair = data.GTKPrintSettings()[i];

    gtk_print_settings_set(newGtkPrintSettings,

                           pair.key().get(),

                           pair.value().get());

  }

  settingsGTK->SetGtkPrintSettings(newGtkPrintSettings);

  // nsPrintSettingsGTK is holding a reference to newGtkPrintSettings

  g_object_unref(newGtkPrintSettings);

  newGtkPrintSettings = nullptr;

  return NS_OK;

}

nsresult nsPrintSettingsServiceGTK::_CreatePrintSettings(nsIPrintSettings** _retval)

{

  *_retval = nullptr;

  nsPrintSettingsGTK* printSettings = new nsPrintSettingsGTK(); // does not initially ref count

  NS_ENSURE_TRUE(printSettings, NS_ERROR_OUT_OF_MEMORY);

  NS_ADDREF(*_retval = printSettings); // ref count

  return NS_OK;

}