1 files changed, 80 insertions, 0 deletions
diff --git a/widget/gtk/nsPrintSettingsServiceGTK.cpp b/widget/gtk/nsPrintSettingsServiceGTK.cpp
new file mode 100644
index 0000000000..9d0dfc9379
--- /dev/null
+++ b/widget/gtk/nsPrintSettingsServiceGTK.cpp
@@ -0,0 +1,80 @@
+/* -*- 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;
+}