nsPrintSettingsServiceGTK.cpp

Enable keyboard shortcuts

/* -*- 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 "mozilla/embedding/PPrintingTypes.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,

                                                PrintData* data) {

  nsresult rv = nsPrintSettingsService::SerializeToPrintData(aSettings, 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;