Convert EMailPart to a GObject.

EMailPart is reference-counted, subclassed, and allows a custom
finalize function.  There's no excuse for it not to use GObject.

1 files changed, 142 insertions, 0 deletions

diff --git a/modules/audio-inline/e-mail-part-audio.c b/modules/audio-inline/e-mail-part-audio.c
new file mode 100644
index 0000000000..0c8ae7fa16
--- /dev/null
+++ b/modules/audio-inline/e-mail-part-audio.c
@@ -0,0 +1,142 @@
+/*
+ * e-mail-part-audio.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-mail-part-audio.h"
+
+#include <glib/gstdio.h>
+
+#define E_MAIL_PART_AUDIO_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_PART_AUDIO, EMailPartAudioPrivate))
+
+struct _EMailPartAudioPrivate {
+	gint placeholder;
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	EMailPartAudio,
+	e_mail_part_audio,
+	E_TYPE_MAIL_PART)
+
+static void
+mail_part_audio_dispose (GObject *object)
+{
+	EMailPartAudio *part = E_MAIL_PART_AUDIO (object);
+
+	if (part->bus_id > 0) {
+		g_source_remove (part->bus_id);
+		part->bus_id = 0;
+	}
+
+	if (part->playbin != NULL) {
+		gst_element_set_state (part->playbin, GST_STATE_NULL);
+		gst_object_unref (part->playbin);
+		part->playbin = NULL;
+	}
+
+	g_clear_object (&part->play_button);
+	g_clear_object (&part->pause_button);
+	g_clear_object (&part->stop_button);
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_mail_part_audio_parent_class)->dispose (object);
+}
+
+static void
+mail_part_audio_finalize (GObject *object)
+{
+	EMailPartAudio *part = E_MAIL_PART_AUDIO (object);
+
+	if (part->filename != NULL) {
+		g_unlink (part->filename);
+		g_free (part->filename);
+	}
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_mail_part_audio_parent_class)->finalize (object);
+}
+
+static void
+mail_part_audio_constructed (GObject *object)
+{
+	EMailPart *part;
+	CamelMimePart *mime_part;
+	CamelContentType *content_type;
+	gchar *mime_type;
+
+	part = E_MAIL_PART (object);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_mail_part_audio_parent_class)->constructed (object);
+
+	e_mail_part_set_is_attachment (part, TRUE);
+
+	mime_part = e_mail_part_ref_mime_part (part);
+
+	content_type = camel_mime_part_get_content_type (mime_part);
+	mime_type = camel_content_type_simple (content_type);
+	e_mail_part_set_mime_type (part, mime_type);
+	g_free (mime_type);
+
+	g_object_unref (mime_part);
+}
+
+static void
+e_mail_part_audio_class_init (EMailPartAudioClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (class, sizeof (EMailPartAudioPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->dispose = mail_part_audio_dispose;
+	object_class->finalize = mail_part_audio_finalize;
+	object_class->constructed = mail_part_audio_constructed;
+}
+
+static void
+e_mail_part_audio_class_finalize (EMailPartAudioClass *class)
+{
+}
+
+static void
+e_mail_part_audio_init (EMailPartAudio *part)
+{
+	part->priv = E_MAIL_PART_AUDIO_GET_PRIVATE (part);
+}
+
+void
+e_mail_part_audio_type_register (GTypeModule *type_module)
+{
+	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+	 *     function, so we have to wrap it with a public function in
+	 *     order to register types from a separate compilation unit. */
+	e_mail_part_audio_register_type (type_module);
+}
+
+EMailPart *
+e_mail_part_audio_new (CamelMimePart *mime_part,
+                       const gchar *id)
+{
+	g_return_val_if_fail (id != NULL, NULL);
+
+	return g_object_new (
+		E_TYPE_MAIL_PART_AUDIO,
+		"id", id, "mime-part", mime_part, NULL);
+}
+