lib: Add thumbnail test application

origin commit:
https://gitlab.gnome.org/GNOME/gnome-desktop/commit/cb04925
https://gitlab.gnome.org/GNOME/gnome-desktop/commit/36b131c

2 files changed, 70 insertions, 1 deletions

diff --git a/libmate-desktop/Makefile.am b/libmate-desktop/Makefile.am
index 48d7378..63e5479 100644
--- a/libmate-desktop/Makefile.am
+++ b/libmate-desktop/Makefile.am
@@ -31,7 +31,7 @@ AM_CPPFLAGS =							\
 
 AM_CFLAGS = $(WARN_CFLAGS)
 
-noinst_PROGRAMS = test-ditem test test-languages
+noinst_PROGRAMS = test-desktop-thumbnail test-ditem test test-languages
 
 CLEANFILES =
 
@@ -79,6 +79,12 @@ test_LDADD = \
 	libmate-desktop-2.la		\
 	$(MATE_DESKTOP_LIBS)
 
+test_desktop_thumbnail_LDADD = \
+	$(lib_LTLIBRARIES) \
+	$(MATE_DESKTOP_LIBS) \
+	$(XLIB_LIBS)
+
+
 test_ditem_SOURCES = \
 	test-ditem.c
 
diff --git a/libmate-desktop/test-desktop-thumbnail.c b/libmate-desktop/test-desktop-thumbnail.c
new file mode 100644
index 0000000..c37428b
--- /dev/null
+++ b/libmate-desktop/test-desktop-thumbnail.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2012,2017 Red Hat, Inc.
+ *
+ * This file is part of the Mate Library.
+ *
+ * The Gnome Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Gnome Library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the Gnome Library; see the file COPYING.LIB.  If not,
+ * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Authors: Bastien Nocera <[email protected]>
++ */
+
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include "mate-desktop-thumbnail.h"
+#include <gtk/gtk.h>
+
+int main (int argc, char **argv)
+{
+    GdkPixbuf *pixbuf;
+    MateDesktopThumbnailFactory *factory;
+    GtkWidget *window, *image;
+    char *content_type;
+
+    gtk_init (&argc, &argv);
+
+    if (argc < 2) {
+        g_print ("Usage: %s FILE...\n", argv[0]);
+        return 1;
+    }
+
+    content_type = g_content_type_guess (argv[1], NULL, 0, NULL);
+    factory = mate_desktop_thumbnail_factory_new (MATE_DESKTOP_THUMBNAIL_SIZE_LARGE);
+    pixbuf = mate_desktop_thumbnail_factory_generate_thumbnail (factory, argv[1], content_type);
+    g_free (content_type);
+    g_object_unref (factory);
+
+    if (pixbuf == NULL) {
+        g_warning ("mate_desktop_thumbnail_factory_generate_thumbnail() failed to generate a thumbnail for %s", argv[1]);
+        return 1;
+    }
+
+    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
+    image = gtk_image_new_from_pixbuf (pixbuf);
+    g_object_unref (pixbuf);
+    gtk_container_add (GTK_CONTAINER (window), image);
+    gtk_widget_show_all (window);
+
+    gtk_main ();
+
+    return 0;
+}