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-rw-r--r--frontends/gtk/throbber.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/frontends/gtk/throbber.c b/frontends/gtk/throbber.c
new file mode 100644
index 000000000..9392c3909
--- /dev/null
+++ b/frontends/gtk/throbber.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2008 Rob Kendrick <rjek@netsurf-browser.org>
+ * Copyright 2008 Sean Fox <dyntryx@gmail.com>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <gtk/gtk.h>
+#include <stdint.h>
+
+#include "utils/log.h"
+
+#include "gtk/resources.h"
+#include "gtk/throbber.h"
+
+struct nsgtk_throbber *nsgtk_throbber = NULL;
+
+#define THROBBER_FRAMES 9
+#define THROBBER_FMT "throbber/throbber%d.png"
+
+/* exported interface documented in gtk/throbber.h */
+nserror nsgtk_throbber_init(void)
+{
+ struct nsgtk_throbber *throb; /**< structure we generate */
+ int frame;
+ char resname[] = THROBBER_FMT;
+ nserror res = NSERROR_OK;
+
+ throb = malloc(sizeof(*throb));
+ if (throb == NULL) {
+ return NSERROR_NOMEM;
+ }
+
+ throb->framedata = malloc(sizeof(GdkPixbuf *) * THROBBER_FRAMES);
+ if (throb->framedata == NULL) {
+ free(throb);
+ return false;
+ }
+
+ for (frame = 0; frame < THROBBER_FRAMES; frame++) {
+ snprintf(resname, sizeof(resname), THROBBER_FMT, frame);
+ res = nsgdk_pixbuf_new_from_resname(resname,
+ throb->framedata + frame);
+ if (res != NSERROR_OK) {
+ break;
+ }
+ LOG("%s",resname);
+ }
+
+ if (frame < 1) {
+ /* we need at least two frames - one for idle, one for active */
+ LOG("Insufficent number of frames (%d) in throbber animation.", frame);
+ res = NSERROR_INIT_FAILED;
+ }
+
+ throb->nframes = frame;
+ nsgtk_throbber = throb;
+ return res;
+
+
+}
+
+
+void nsgtk_throbber_finalise(void)
+{
+ int i;
+
+ for (i = 0; i < nsgtk_throbber->nframes; i++)
+ g_object_unref(nsgtk_throbber->framedata[i]);
+
+ free(nsgtk_throbber->framedata);
+ free(nsgtk_throbber);
+
+ nsgtk_throbber = NULL;
+}
+