/*
* e-mail-formatter-audio-inline.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-inline.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib/gi18n-lib.h>
#include <libebackend/libebackend.h>
#include <em-format/e-mail-formatter-extension.h>
#include <em-format/e-mail-formatter.h>
#include "e-util/e-mktemp.h"
#include <camel/camel.h>
#include <gst/gst.h>
#include "e-mail-part-audio-inline.h"
#define d(x)
typedef struct _EMailFormatterAudioInline {
EExtension parent;
} EMailFormatterAudioInline;
typedef struct _EMailFormatterAudioInlineClass {
EExtensionClass parent_class;
} EMailFormatterAudioInlineClass;
GType e_mail_formatter_audio_inline_get_type (void);
static void e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface);
static void e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface);
G_DEFINE_DYNAMIC_TYPE_EXTENDED (
EMailFormatterAudioInline,
e_mail_formatter_audio_inline,
E_TYPE_EXTENSION,
0,
G_IMPLEMENT_INTERFACE_DYNAMIC (
E_TYPE_MAIL_EXTENSION,
e_mail_formatter_mail_extension_interface_init)
G_IMPLEMENT_INTERFACE_DYNAMIC (
E_TYPE_MAIL_FORMATTER_EXTENSION,
e_mail_formatter_formatter_extension_interface_init));
static const gchar* formatter_mime_types[] = { "application/vnd.evolution.widget.audio-inline",
"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,
EMailPartAudioInline *part)
{
if (part->playbin) {
/* pause playing */
gst_element_set_state (part->playbin, GST_STATE_PAUSED);
}
}
static void
stop_clicked (GtkWidget *button,
EMailPartAudioInline *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)
{
EMailPartAudioInline *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,
EMailPartAudioInline *part)
{
GstState cur_state;
d(printf ("audio inline formatter: play\n"));
if (!part->filename) {
CamelStream *stream;
CamelDataWrapper *data;
GError *error = NULL;
gint argc = 1;
const gchar *argv [] = { "org_gnome_audio_inline", NULL };
/* FIXME this is ugly, we should stream this directly to gstreamer */
part->filename = e_mktemp ("org-gnome-audio-inline-file-XXXXXX");
d(printf ("audio inline 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);
data = camel_medium_get_content (CAMEL_MEDIUM (part->parent.part));
camel_data_wrapper_decode_to_stream_sync (data, stream, NULL, NULL);
camel_stream_flush (stream, NULL, NULL);
g_object_unref (stream);
d(printf ("audio inline 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
emfe_audio_inline_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-inline\" "
"width=\"100%%\" height=\"auto\" data=\"%s\" id=\"%s\"></object>",
part->id, part->id);
camel_stream_write_string (stream, str, cancellable, NULL);
g_free (str);
return TRUE;
}
static GtkWidget *
emfe_audio_inline_get_widget (EMailFormatterExtension *extension,
EMailPartList *context,
EMailPart *part,
GHashTable *params)
{
GtkWidget *box;
EMailPartAudioInline *ai_part;
g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAudioInline), NULL);
ai_part = (EMailPartAudioInline *) part;
/* it is OK to call UI functions here, since we are called from UI thread */
box = gtk_hbutton_box_new ();
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 const gchar *
emfe_audio_inline_get_display_name (EMailFormatterExtension *extension)
{
return _("Audio Player");
}
static const gchar *
emfe_audio_inline_get_description (EMailFormatterExtension *extension)
{
return _("Play the attachment in embedded audio player");
}
static const gchar **
emfe_audio_inline_mime_types (EMailExtension *extension)
{
return formatter_mime_types;
}
static void
e_mail_formatter_audio_inline_constructed (GObject *object)
{
EExtensible *extensible;
EMailExtensionRegistry *reg;
extensible = e_extension_get_extensible (E_EXTENSION (object));
reg = E_MAIL_EXTENSION_REGISTRY (extensible);
e_mail_extension_registry_add_extension (reg, E_MAIL_EXTENSION (object));
}
static void
e_mail_formatter_audio_inline_class_init (EMailFormatterAudioInlineClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
object_class = G_OBJECT_CLASS (class);
object_class->constructed = e_mail_formatter_audio_inline_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_MAIL_FORMATTER_EXTENSION_REGISTRY;
}
static void
e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface)
{
iface->format = emfe_audio_inline_format;
iface->get_widget = emfe_audio_inline_get_widget;
iface->get_display_name = emfe_audio_inline_get_display_name;
iface->get_description = emfe_audio_inline_get_description;
}
static void
e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface)
{
iface->mime_types = emfe_audio_inline_mime_types;
}
static void
e_mail_formatter_audio_inline_init (EMailFormatterAudioInline *formatter)
{
}
void
e_mail_formatter_audio_inline_type_register (GTypeModule *type_module)
{
e_mail_formatter_audio_inline_register_type (type_module);
}
static void
e_mail_formatter_audio_inline_class_finalize (EMailFormatterAudioInlineClass *class)
{
}
