1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "nsPrintSettingsServiceGTK.h"
7 #include "nsPrintSettingsGTK.h"
8
9 using namespace mozilla::embedding;
10
serialize_gtk_printsettings_to_printdata(const gchar * key,const gchar * value,gpointer aData)11 static void serialize_gtk_printsettings_to_printdata(const gchar* key,
12 const gchar* value,
13 gpointer aData) {
14 PrintData* data = (PrintData*)aData;
15 CStringKeyValue pair;
16 pair.key() = key;
17 pair.value() = value;
18 data->GTKPrintSettings().AppendElement(pair);
19 }
20
21 NS_IMETHODIMP
SerializeToPrintData(nsIPrintSettings * aSettings,PrintData * data)22 nsPrintSettingsServiceGTK::SerializeToPrintData(nsIPrintSettings* aSettings,
23 PrintData* data) {
24 nsresult rv = nsPrintSettingsService::SerializeToPrintData(aSettings, data);
25 NS_ENSURE_SUCCESS(rv, rv);
26
27 nsCOMPtr<nsPrintSettingsGTK> settingsGTK(do_QueryInterface(aSettings));
28 NS_ENSURE_STATE(settingsGTK);
29
30 GtkPrintSettings* gtkPrintSettings = settingsGTK->GetGtkPrintSettings();
31 NS_ENSURE_STATE(gtkPrintSettings);
32
33 gtk_print_settings_foreach(gtkPrintSettings,
34 serialize_gtk_printsettings_to_printdata, data);
35
36 return NS_OK;
37 }
38
39 NS_IMETHODIMP
DeserializeToPrintSettings(const PrintData & data,nsIPrintSettings * settings)40 nsPrintSettingsServiceGTK::DeserializeToPrintSettings(
41 const PrintData& data, nsIPrintSettings* settings) {
42 nsCOMPtr<nsPrintSettingsGTK> settingsGTK(do_QueryInterface(settings));
43 NS_ENSURE_STATE(settingsGTK);
44
45 nsresult rv =
46 nsPrintSettingsService::DeserializeToPrintSettings(data, settings);
47 NS_ENSURE_SUCCESS(rv, rv);
48
49 // Instead of re-using the GtkPrintSettings that nsIPrintSettings is
50 // wrapping, we'll create a new one to deserialize to and replace it
51 // within nsIPrintSettings.
52 GtkPrintSettings* newGtkPrintSettings = gtk_print_settings_new();
53
54 for (uint32_t i = 0; i < data.GTKPrintSettings().Length(); ++i) {
55 CStringKeyValue pair = data.GTKPrintSettings()[i];
56 gtk_print_settings_set(newGtkPrintSettings, pair.key().get(),
57 pair.value().get());
58 }
59
60 settingsGTK->SetGtkPrintSettings(newGtkPrintSettings);
61
62 // nsPrintSettingsGTK is holding a reference to newGtkPrintSettings
63 g_object_unref(newGtkPrintSettings);
64 newGtkPrintSettings = nullptr;
65 return NS_OK;
66 }
67
_CreatePrintSettings(nsIPrintSettings ** _retval)68 nsresult nsPrintSettingsServiceGTK::_CreatePrintSettings(
69 nsIPrintSettings** _retval) {
70 *_retval = nullptr;
71 nsPrintSettingsGTK* printSettings =
72 new nsPrintSettingsGTK(); // does not initially ref count
73 NS_ENSURE_TRUE(printSettings, NS_ERROR_OUT_OF_MEMORY);
74
75 NS_ADDREF(*_retval = printSettings); // ref count
76
77 return NS_OK;
78 }
79