Rename EMailFormatterAudioInline to EMailFormatterAudio.

1 files changed, 335 insertions, 0 deletions

diff --git a/modules/audio-inline/e-mail-formatter-audio.c b/modules/audio-inline/e-mail-formatter-audio.c
new file mode 100644
index 0000000000..b700651221
--- /dev/null
+++ b/modules/audio-inline/e-mail-formatter-audio.c
@@ -0,0 +1,335 @@
+/*
+ * e-mail-formatter-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-formatter-audio.h"
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+
+#include <camel/camel.h>
+#include <gst/gst.h>
+
+#include <libebackend/libebackend.h>
+
+#include <em-format/e-mail-formatter-extension.h>
+#include <em-format/e-mail-formatter.h>
+
+#include "e-mail-part-audio.h"
+
+#define d(x)
+
+typedef EMailFormatterExtension EMailFormatterAudio;
+typedef EMailFormatterExtensionClass EMailFormatterAudioClass;
+
+typedef EExtension EMailFormatterAudioLoader;
+typedef EExtensionClass EMailFormatterAudioLoaderClass;
+
+GType e_mail_formatter_audio_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (
+	EMailFormatterAudio,
+	e_mail_formatter_audio,
+	E_TYPE_MAIL_FORMATTER_EXTENSION)
+
+static const gchar *formatter_mime_types[] = {
+	"application/vnd.evolution.widget.audio",
+	"audio/ac3",
+	"audio/x-ac3",
+	"audio/basic",
+	"audio/mpeg",
+	"audio/x-mpeg",
+	"audio/mpeg3",
+	"audio/x-mpeg3",
+	"audio/mp3",
+	"audio/x-mp3",
+	"audio/mp4",
+	"audio/flac",
+	"audio/x-flac",
+	"audio/mod",
+	"audio/x-mod",
+	"audio/x-wav",
+	"audio/microsoft-wav",
+	"audio/x-wma",
+	"audio/x-ms-wma",
+	"application/ogg",
+	"application/x-ogg",
+	NULL
+};
+
+static void
+pause_clicked (GtkWidget *button,
+               EMailPartAudio *part)
+{
+	if (part->playbin) {
+		/* pause playing */
+		gst_element_set_state (part->playbin, GST_STATE_PAUSED);
+	}
+}
+
+static void
+stop_clicked (GtkWidget *button,
+              EMailPartAudio *part)
+{
+	if (part->playbin) {
+		/* ready to play */
+		gst_element_set_state (part->playbin, GST_STATE_READY);
+		part->target_state = GST_STATE_READY;
+	}
+}
+
+static void
+set_audiosink (GstElement *playbin)
+{
+	GstElement *audiosink;
+
+	/* now it's time to get the audio sink */
+	audiosink = gst_element_factory_make ("gconfaudiosink", "play_audio");
+	if (audiosink == NULL) {
+		audiosink = gst_element_factory_make ("autoaudiosink", "play_audio");
+	}
+
+	if (audiosink) {
+		g_object_set (playbin, "audio-sink", audiosink, NULL);
+	}
+}
+
+static gboolean
+gst_callback (GstBus *bus,
+              GstMessage *message,
+              gpointer data)
+{
+	EMailPartAudio *part = data;
+	GstMessageType msg_type;
+
+	g_return_val_if_fail (part != NULL, TRUE);
+	g_return_val_if_fail (part->playbin != NULL, TRUE);
+
+	msg_type = GST_MESSAGE_TYPE (message);
+
+	switch (msg_type) {
+		case GST_MESSAGE_ERROR:
+			gst_element_set_state (part->playbin, GST_STATE_NULL);
+			break;
+		case GST_MESSAGE_EOS:
+			gst_element_set_state (part->playbin, GST_STATE_READY);
+			break;
+		case GST_MESSAGE_STATE_CHANGED:
+			{
+			      GstState old_state, new_state;
+
+			      if (GST_MESSAGE_SRC (message) != GST_OBJECT (part->playbin))
+				      break;
+
+			      gst_message_parse_state_changed (message, &old_state, &new_state, NULL);
+
+			      if (old_state == new_state)
+				      break;
+
+			      if (part->play_button)
+					gtk_widget_set_sensitive (
+						part->play_button,
+						new_state <= GST_STATE_PAUSED);
+			      if (part->pause_button)
+					gtk_widget_set_sensitive (
+						part->pause_button,
+						new_state > GST_STATE_PAUSED);
+			      if (part->stop_button)
+					gtk_widget_set_sensitive (
+						part->stop_button,
+						new_state >= GST_STATE_PAUSED);
+			}
+
+			break;
+		default:
+			break;
+	}
+
+	return TRUE;
+}
+
+static void
+play_clicked (GtkWidget *button,
+              EMailPartAudio *part)
+{
+	GstState cur_state;
+
+	d (printf ("audio formatter: play\n"));
+
+	if (!part->filename) {
+		CamelStream *stream;
+		CamelDataWrapper *data;
+		CamelMimePart *mime_part;
+		GError *error = NULL;
+		gint argc = 1;
+		const gchar *argv[] = { "org_gnome_audio", NULL };
+
+		/* FIXME this is ugly, we should stream this directly to gstreamer */
+		part->filename = e_mktemp ("org-gnome-audio-file-XXXXXX");
+
+		d (printf ("audio formatter: write to temp file %s\n", po->filename));
+
+		stream = camel_stream_fs_new_with_name (
+			part->filename, O_RDWR | O_CREAT | O_TRUNC, 0600, NULL);
+		mime_part = e_mail_part_ref_mime_part (E_MAIL_PART (part));
+		data = camel_medium_get_content (CAMEL_MEDIUM (mime_part));
+		camel_data_wrapper_decode_to_stream_sync (data, stream, NULL, NULL);
+		camel_stream_flush (stream, NULL, NULL);
+		g_object_unref (mime_part);
+		g_object_unref (stream);
+
+		d (printf ("audio formatter: init gst playbin\n"));
+
+		if (gst_init_check (&argc, (gchar ***) &argv, &error)) {
+			gchar *uri;
+			GstBus *bus;
+
+			/* create a disk reader */
+			part->playbin = gst_element_factory_make ("playbin", "playbin");
+			if (part->playbin == NULL) {
+				g_printerr ("Failed to create gst_element_factory playbin; check your installation\n");
+				return;
+
+			}
+
+			uri = g_filename_to_uri (part->filename, NULL, NULL);
+			g_object_set (part->playbin, "uri", uri, NULL);
+			g_free (uri);
+			set_audiosink (part->playbin);
+
+			bus = gst_element_get_bus (part->playbin);
+			part->bus_id = gst_bus_add_watch (bus, gst_callback, part);
+			gst_object_unref (bus);
+
+		} else {
+			g_printerr ("GStreamer failed to initialize: %s",error ? error->message : "");
+			g_error_free (error);
+		}
+	}
+
+	gst_element_get_state (part->playbin, &cur_state, NULL, 0);
+
+	if (cur_state >= GST_STATE_PAUSED) {
+		gst_element_set_state (part->playbin, GST_STATE_READY);
+	}
+
+	if (part->playbin) {
+		/* start playing */
+		gst_element_set_state (part->playbin, GST_STATE_PLAYING);
+	}
+}
+
+static GtkWidget *
+add_button (GtkWidget *box,
+            const gchar *stock_icon,
+            GCallback cb,
+            gpointer data,
+            gboolean sensitive)
+{
+	GtkWidget *button;
+
+	button = gtk_button_new_from_stock (stock_icon);
+	gtk_widget_set_sensitive (button, sensitive);
+	g_signal_connect (button, "clicked", cb, data);
+
+	gtk_widget_show (button);
+	gtk_box_pack_end (GTK_BOX (box), button, TRUE, TRUE, 0);
+
+	return button;
+}
+
+static gboolean
+mail_formatter_audio_format (EMailFormatterExtension *extension,
+                             EMailFormatter *formatter,
+                             EMailFormatterContext *context,
+                             EMailPart *part,
+                             CamelStream *stream,
+                             GCancellable *cancellable)
+{
+	gchar *str;
+
+	str = g_strdup_printf (
+		"<object type=\"application/vnd.evolution.widget.audio\" "
+			"width=\"100%%\" height=\"auto\" data=\"%s\" id=\"%s\"></object>",
+		e_mail_part_get_id (part),
+		e_mail_part_get_id (part));
+
+	camel_stream_write_string (stream, str, cancellable, NULL);
+
+	g_free (str);
+
+	return TRUE;
+}
+
+static GtkWidget *
+mail_formatter_audio_get_widget (EMailFormatterExtension *extension,
+                                 EMailPartList *context,
+                                 EMailPart *part,
+                                 GHashTable *params)
+{
+	GtkWidget *box;
+	EMailPartAudio *ai_part;
+
+	g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAudio), NULL);
+	ai_part = (EMailPartAudio *) part;
+
+	/* it is OK to call UI functions here, since we are called from UI thread */
+	box = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
+	ai_part->play_button = g_object_ref (
+		add_button (box, GTK_STOCK_MEDIA_PLAY,
+		G_CALLBACK (play_clicked), part, TRUE));
+	ai_part->pause_button = g_object_ref (
+		add_button (box, GTK_STOCK_MEDIA_PAUSE,
+		G_CALLBACK (pause_clicked), part, FALSE));
+	ai_part->stop_button = g_object_ref (
+		add_button (box, GTK_STOCK_MEDIA_STOP,
+		G_CALLBACK (stop_clicked), part, FALSE));
+
+	gtk_widget_show (box);
+
+	return box;
+}
+
+static void
+e_mail_formatter_audio_class_init (EMailFormatterExtensionClass *class)
+{
+	class->display_name = _("Audio Player");
+	class->description = _("Play the attachment in embedded audio player");
+	class->mime_types = formatter_mime_types;
+	class->format = mail_formatter_audio_format;
+	class->get_widget = mail_formatter_audio_get_widget;
+}
+
+static void
+e_mail_formatter_audio_class_finalize (EMailFormatterExtensionClass *class)
+{
+}
+
+static void
+e_mail_formatter_audio_init (EMailFormatterExtension *extension)
+{
+}
+
+void
+e_mail_formatter_audio_type_register (GTypeModule *type_module)
+{
+	e_mail_formatter_audio_register_type (type_module);
+}
+