aboutsummaryrefslogtreecommitdiff
path: root/src/indicator-sound.c
blob: 5ca4df729044ecf7da3f6a8b224b4e83f0b3d722 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/*
A small wrapper utility to load indicators and put them as menu items
into the gnome-panel using it's applet interface.

Copyright 2010 Canonical Ltd.

Authors:
    Conor Curran <conor.curra@canonical.com>
    Ted Gould <ted@canonical.com>

This program is free software: you can redistribute it and/or modify it 
under the terms of the GNU General Public License version 3, as published 
by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranties of 
MERCHANTABILITY, SATISFACTORY QUALITY, 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 <glib.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <libdbusmenu-gtk/menu.h>
#include <idoscalemenuitem.h>

#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-bindings.h>

#include <libindicator/indicator.h>
#include <libindicator/indicator-object.h>
#include <libindicator/indicator-service-manager.h>


#include "dbus-shared-names.h"
#include "sound-service-client.h"
#include "common-defs.h"
#include "sound-service-marshal.h"

// GObject Boiler plate
#define INDICATOR_SOUND_TYPE            (indicator_sound_get_type ())
#define INDICATOR_SOUND(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), INDICATOR_SOUND_TYPE, IndicatorSound))
#define INDICATOR_SOUND_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), INDICATOR_SOUND_TYPE, IndicatorSoundClass))
#define IS_INDICATOR_SOUND(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), INDICATOR_SOUND_TYPE))
#define IS_INDICATOR_SOUND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), INDICATOR_SOUND_TYPE))
#define INDICATOR_SOUND_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), INDICATOR_SOUND_TYPE, IndicatorSoundClass))

typedef struct _IndicatorSound      IndicatorSound;
typedef struct _IndicatorSoundClass IndicatorSoundClass;

//GObject class struct
struct _IndicatorSoundClass {
	IndicatorObjectClass parent_class;
};

//GObject instance struct
struct _IndicatorSound {
	IndicatorObject parent;
	IndicatorServiceManager *service;
};
// GObject Boiler plate
GType indicator_sound_get_type (void);
INDICATOR_SET_VERSION
INDICATOR_SET_TYPE(INDICATOR_SOUND_TYPE)

// GObject Boiler plate
static void indicator_sound_class_init (IndicatorSoundClass *klass);
static void indicator_sound_init       (IndicatorSound *self);
static void indicator_sound_dispose    (GObject *object);
static void indicator_sound_finalize   (GObject *object);
G_DEFINE_TYPE (IndicatorSound, indicator_sound, INDICATOR_OBJECT_TYPE);

//GTK+ items
static GtkLabel * get_label (IndicatorObject * io);
static GtkImage * get_icon (IndicatorObject * io);
static GtkMenu * get_menu (IndicatorObject * io);
static GtkWidget *volume_slider = NULL;
static gdouble input_value_from_across_the_dbus = 0.0;
static GtkImage *speaker_image = NULL;

static gboolean new_slider_item (DbusmenuMenuitem * newitem, DbusmenuMenuitem * parent, DbusmenuClient * client);
static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget);
static gboolean slider_value_changed_event_cb(GtkRange *range, GtkScrollType scroll, double  value, gpointer  user_data);
static void change_speaker_image(gdouble volume_percent);

// DBUS communication
static DBusGProxy *sound_dbus_proxy = NULL;
static void connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer userdata);
static void catch_signal(DBusGProxy * proxy, gint sink_index, gboolean value, gpointer userdata);

static void
indicator_sound_class_init (IndicatorSoundClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	object_class->dispose = indicator_sound_dispose;
	object_class->finalize = indicator_sound_finalize;

	IndicatorObjectClass *io_class = INDICATOR_OBJECT_CLASS(klass);
	io_class->get_label = get_label;
	io_class->get_image = get_icon;
	io_class->get_menu = get_menu;

    dbus_g_object_register_marshaller (_sound_service_marshal_VOID__INT_BOOLEAN,
                                     G_TYPE_NONE,
                                     G_TYPE_INT,
                                     G_TYPE_BOOLEAN,
                                     G_TYPE_INVALID);
	return;
}

static void indicator_sound_init (IndicatorSound *self)
{
	/* Set good defaults */
	self->service = NULL;
	/* Now let's fire these guys up. */
	self->service = indicator_service_manager_new_version(INDICATOR_SOUND_DBUS_NAME, INDICATOR_SOUND_DBUS_VERSION);
	g_signal_connect(G_OBJECT(self->service), INDICATOR_SERVICE_MANAGER_SIGNAL_CONNECTION_CHANGE, G_CALLBACK(connection_changed), self);
    return;
}

static void
connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer userdata)
{
	if (connected) {
		if (sound_dbus_proxy == NULL) {
			GError * error = NULL;

			DBusGConnection * sbus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL);

			sound_dbus_proxy = dbus_g_proxy_new_for_name_owner(sbus,
														   INDICATOR_SOUND_DBUS_NAME,
														   INDICATOR_SOUND_SERVICE_DBUS_OBJECT,
														   INDICATOR_SOUND_SERVICE_DBUS_INTERFACE,
														   &error);

			if (error != NULL) {
				g_warning("Unable to get status proxy: %s", error->message);
				g_error_free(error);
			}
            g_debug("about to connect to the signals");
			dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_INVALID);
			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_CALLBACK(catch_signal), NULL, NULL);
		}

	} else {
        //TODO : will need to handle this scenario
	}

	return;
}


static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gint sink_index, gboolean value, gpointer userdata)
{
    //gtk_image_set_from_icon_name(speaker_image, "audio-volume-muted-blocking-symbolic", GTK_ICON_SIZE_MENU);
    g_debug("signal caught - I don't believe it ! with index %i and value %i", sink_index, value);
}

static void
indicator_sound_dispose (GObject *object)
{
	IndicatorSound * self = INDICATOR_SOUND(object);

	if (self->service != NULL) {
		g_object_unref(G_OBJECT(self->service));
		self->service = NULL;
	}
	G_OBJECT_CLASS (indicator_sound_parent_class)->dispose (object);
	return;
}

static void
indicator_sound_finalize (GObject *object)
{
	G_OBJECT_CLASS (indicator_sound_parent_class)->finalize (object);
	return;
}

static GtkLabel *
get_label (IndicatorObject * io)
{
	return NULL;
}

static GtkImage *
get_icon (IndicatorObject * io)
{
	speaker_image = GTK_IMAGE(gtk_image_new_from_icon_name("audio-volume-high", GTK_ICON_SIZE_MENU));
	gtk_widget_show(GTK_WIDGET(speaker_image));
	return speaker_image;
}

static void change_speaker_image(gdouble volume_percent)
{    
    if (volume_percent < 30.0 && volume_percent > 0){
        gtk_image_set_from_icon_name(speaker_image, "audio-volume-low", GTK_ICON_SIZE_MENU);
    }
    else if(volume_percent < 70.0 && volume_percent > 30.0){
        gtk_image_set_from_icon_name(speaker_image, "audio-volume-medium", GTK_ICON_SIZE_MENU);
    }
    else if(volume_percent > 70.0){
        gtk_image_set_from_icon_name(speaker_image, "audio-volume-high", GTK_ICON_SIZE_MENU);
    }
    else if(volume_percent <= 0.0){
        gtk_image_set_from_icon_name(speaker_image, "audio-volume-zero", GTK_ICON_SIZE_MENU);
    }
}

/* Indicator based function to get the menu for the whole
   applet.  This starts up asking for the parts of the menu
   from the various services. */
static GtkMenu *
get_menu (IndicatorObject * io)
{
    DbusmenuGtkMenu *menu = dbusmenu_gtkmenu_new(INDICATOR_SOUND_DBUS_NAME, INDICATOR_SOUND_DBUS_OBJECT);    
	DbusmenuGtkClient *client = dbusmenu_gtkmenu_get_client(menu);	
    dbusmenu_client_add_type_handler(DBUSMENU_CLIENT(client), DBUSMENU_SLIDER_MENUITEM_TYPE, new_slider_item);

    return GTK_MENU(menu);
}

static gboolean new_slider_item(DbusmenuMenuitem * newitem, DbusmenuMenuitem * parent, DbusmenuClient * client)
{
	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(newitem), FALSE);
	g_return_val_if_fail(DBUSMENU_IS_GTKCLIENT(client), FALSE);
    
    volume_slider = ido_scale_menu_item_new_with_range ("Volume", 0, 100, 0.5);

    GtkMenuItem *menu_volume_slider = GTK_MENU_ITEM(volume_slider);
	dbusmenu_gtkclient_newitem_base(DBUSMENU_GTKCLIENT(client), newitem, menu_volume_slider, parent);
	g_signal_connect(G_OBJECT(newitem), DBUSMENU_MENUITEM_SIGNAL_PROPERTY_CHANGED, G_CALLBACK(slider_prop_change_cb), volume_slider);

    GtkWidget* slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider);
    GtkRange* range = (GtkRange*)slider;   
    g_signal_connect(G_OBJECT(range), "change-value", G_CALLBACK(slider_value_changed_event_cb), newitem); 
	return TRUE;
}

/* Whenever we have a property change on a DbusmenuMenuitem
   we need to be responsive to that. */
static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget)
{
    g_debug("slider_prop_change_cb ");
    g_debug("about to set the slider to %f", g_value_get_double(value));
    GtkWidget* slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider);
    GtkRange* range = (GtkRange*)slider;   
    gdouble level;
    level = gtk_range_get_fill_level(range);
    input_value_from_across_the_dbus = level;
    g_debug("the current level is %f", level);
    
    gtk_range_set_value(range, g_value_get_double(value));  
	return;
}

static gboolean slider_value_changed_event_cb(GtkRange *range, GtkScrollType scroll, double  slider_value, gpointer  user_data)
{
    if(slider_value != input_value_from_across_the_dbus)
    {    
        DbusmenuMenuitem *item = (DbusmenuMenuitem*)user_data;
        GValue value = {0};
        g_value_init(&value, G_TYPE_DOUBLE);
        g_value_set_double(&value, slider_value);
        dbusmenu_menuitem_handle_event (item, "slider_change", &value, 0);
        change_speaker_image(slider_value);
    }
    return FALSE;  
}