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enlightenment/src/modules/mixer/backend.c

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#include <e.h>
#include <Eina.h>
#include "emix.h"
#include "e_mod_main.h"
#include "e_mod_config.h"
#include "backend.h"
#define VOLUME_STEP 5
#define BARRIER_CHECK(old_val, new_val) \
(old_val > EMIX_VOLUME_BARRIER - 20) && \
(old_val <= EMIX_VOLUME_BARRIER) && \
(new_val > EMIX_VOLUME_BARRIER) && \
(new_val < EMIX_VOLUME_BARRIER + 20)
typedef struct _Client_Mixer Client_Mixer;
struct _Client_Mixer
{
Evas_Object *win;
Evas_Object *volume;
Evas_Object *mute;
E_Client *ec;
Evas_Object *bx;
Eina_List *sinks;
};
static void _notify_cb(void *data, unsigned int id);
static void _notify(const int val);
static void _volume_increase_cb(E_Object *obj, const char *params);
static void _volume_decrease_cb(E_Object *obj, const char *params);
static void _volume_mute_cb(E_Object *obj, const char *params);
static void _volume_increase_app_cb(E_Object *obj, const char *params);
static void _volume_decrease_app_cb(E_Object *obj, const char *params);
static void _volume_mute_app_cb(E_Object *obj, const char *params);
static void _actions_register(void);
static void _actions_unregister(void);
static void _sink_event(int type, void *info);
static void _disconnected(void);
static void _ready(void);
static void _sink_input_get(int *volume, Eina_Bool *muted, void *data);
static void _sink_input_set(int volume, Eina_Bool muted, void *data);
static int _sink_input_min_get(void *data);
static int _sink_input_max_get(void *data);
static const char *_sink_input_name_get(void *data);
static void _sink_input_event(int type, Emix_Sink_Input *input);
static void _events_cb(void *data, enum Emix_Event type, void *event_info);
static Eina_Bool _desklock_cb(void *data, int type, void *info);
static void _emix_backend_changed(const char *backend, void *data);
static void _bd_hook_volume_changed(void *data, Evas_Object *obj, void *event_info);
static void _bd_hook_volume_drag_stop(void *data, Evas_Object *obj, void *event_info);
static void _bd_hook_mute_changed(void *data, Evas_Object *obj, void *event_info);
static void _bd_hook_sink_volume_changed(void *data, Evas_Object *obj, void *event_info);
static void _bd_hook_sink_volume_drag_stop(void *data, Evas_Object *obj, void *event_info);
static void _bd_hook_sink_mute_changed(void *data, Evas_Object *obj, void *event_info);
static Eina_Bool _e_client_volume_changed(void *data, int type, void *event);
static Eina_Bool _e_client_mute_changed(void *data, int type, void *event);
static void _e_client_mixer_sink_append(E_Client_Volume_Sink *sink, Client_Mixer *cm);
static Eina_Bool _e_client_volume_sink_add(void *data, int type, void *event);
static Eina_Bool _e_client_volume_sink_del(void *data, int type, void *event);
static Eina_Bool _e_client_volume_sink_changed(void *data, int type, void *event);
static void _client_mixer_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
static Eina_Bool _e_client_add(void *data, int type, void *event);
static Eina_Bool _e_client_remove(void *data, int type, void *event);
static void _bd_hook_cb(void *data, E_Menu *m, E_Menu_Item *it);
static void _bd_hook(void *data, E_Client *ec);
static Eina_Bool _emixer_del_cb(void *data, int type, void *info);
static void _backend_changed(void);
static int _backend_log_domain = 0;
static int _volume_init = 0;
static Eina_Bool _backend_init_flag = EINA_FALSE;
static Eina_Bool _restored = EINA_FALSE;
EINTERN int E_EVENT_MIXER_BACKEND_CHANGED = 0;
EINTERN int E_EVENT_MIXER_SINKS_CHANGED = 0;
static const Emix_Sink *_sink_default = NULL;
static Eina_List *_client_sinks = NULL;
static Eina_List *_client_mixers = NULL;
static Eina_List *_client_handlers = NULL;
static E_Client_Menu_Hook *_border_hook = NULL;
static int _notification_id = 0;
static Ecore_Exe *_emixer_exe = NULL;
static Ecore_Event_Handler *_emix_exe_event_del_handler = NULL;
static const Emix_Source *_source_default = NULL;
static E_Action *_action_incr = NULL;
static E_Action *_action_decr = NULL;
static E_Action *_action_mute = NULL;
static E_Action *_action_incr_app = NULL;
static E_Action *_action_decr_app = NULL;
static E_Action *_action_mute_app = NULL;
static void
_notify_cb(void *data EINA_UNUSED, unsigned int id)
{
_notification_id = id;
}
static void
_notify(const int val)
{
E_Notification_Notify n;
char *icon, buf[56];
int ret;
if (!emix_config_notify_get()) return;
memset(&n, 0, sizeof(E_Notification_Notify));
if (val < 0) return;
ret = snprintf(buf, (sizeof(buf) - 1), "%s: %d%%", _("New volume"), val);
if ((ret < 0) || ((unsigned int)ret > sizeof(buf)))
return;
//Names are taken from FDO icon naming scheme
if (val == 0)
icon = "audio-volume-muted";
else if ((val > 33) && (val < 66))
icon = "audio-volume-medium";
else if (val <= 33)
icon = "audio-volume-low";
else
icon = "audio-volume-high";
n.app_name = _("Mixer");
n.replaces_id = _notification_id;
n.icon.icon = icon;
n.summary = _("Volume changed");
n.body = buf;
n.timeout = 2000;
e_notification_client_send(&n, _notify_cb, NULL);
}
static void
_volume_adjust(int step)
{
unsigned int i;
Emix_Volume volume;
EINA_SAFETY_ON_NULL_RETURN(_sink_default);
Emix_Sink *s = (Emix_Sink *)_sink_default;
if (!s->volume.channel_count) return;
if (step > 0)
{
if (BARRIER_CHECK(s->volume.volumes[0], s->volume.volumes[0] + step))
return;
}
volume.channel_count = s->volume.channel_count;
volume.volumes = calloc(s->volume.channel_count, sizeof(int));
for (i = 0; i < volume.channel_count; i++)
{
volume.volumes[i] = s->volume.volumes[i] + step;
if (volume.volumes[i] < 0)
volume.volumes[i] = 0;
else if (volume.volumes[i] > emix_max_volume_get())
volume.volumes[i] = emix_max_volume_get();
}
emix_sink_volume_set(s, &volume);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
free(volume.volumes);
}
static void
_volume_increase_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
_volume_adjust(VOLUME_STEP);
}
static void
_volume_decrease_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
_volume_adjust(-VOLUME_STEP);
}
static void
_volume_source_adjust(int step)
{
unsigned int i;
Emix_Volume volume;
EINA_SAFETY_ON_NULL_RETURN(_sink_default);
Emix_Source *s = (Emix_Source *)_source_default;
if (!s->volume.channel_count) return;
if (step > 0)
{
if (BARRIER_CHECK(s->volume.volumes[0], s->volume.volumes[0] + step))
return;
}
volume.channel_count = s->volume.channel_count;
volume.volumes = calloc(s->volume.channel_count, sizeof(int));
for (i = 0; i < volume.channel_count; i++)
{
volume.volumes[i] = s->volume.volumes[i] + step;
if (volume.volumes[i] < 0)
volume.volumes[i] = 0;
else if (volume.volumes[i] > emix_max_volume_get())
volume.volumes[i] = emix_max_volume_get();
}
emix_source_volume_set(s, &volume);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
free(volume.volumes);
}
static void
_volume_mute_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
EINA_SAFETY_ON_NULL_RETURN(_sink_default);
backend_mute_set(!_sink_default->mute);
}
static void
_volume_increase_app_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
E_Client *ec;
ec = e_client_focused_get();
if (ec && ec->volume_control_enabled)
{
e_client_volume_set(ec, ec->volume + VOLUME_STEP);
}
}
static void
_volume_decrease_app_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
E_Client *ec;
ec = e_client_focused_get();
if (ec && ec->volume_control_enabled)
{
e_client_volume_set(ec, ec->volume - VOLUME_STEP);
}
}
static void
_volume_mute_app_cb(E_Object *obj EINA_UNUSED, const char *params EINA_UNUSED)
{
E_Client *ec;
ec = e_client_focused_get();
if (ec && ec->volume_control_enabled)
{
e_client_volume_mute_set(ec, !ec->mute);
}
}
static void
_actions_register(void)
{
_action_incr = e_action_add("volume_increase");
if (_action_incr)
{
_action_incr->func.go = _volume_increase_cb;
e_action_predef_name_set("Mixer", _("Increase Volume"),
"volume_increase", NULL, NULL, 0);
}
_action_decr = e_action_add("volume_decrease");
if (_action_decr)
{
_action_decr->func.go = _volume_decrease_cb;
e_action_predef_name_set("Mixer", _("Decrease Volume"),
"volume_decrease", NULL, NULL, 0);
}
_action_mute = e_action_add("volume_mute");
if (_action_mute)
{
_action_mute->func.go = _volume_mute_cb;
e_action_predef_name_set("Mixer", _("Mute volume"), "volume_mute",
NULL, NULL, 0);
}
_action_incr_app = e_action_add("volume_increase_app");
if (_action_incr_app)
{
_action_incr_app->func.go = _volume_increase_app_cb;
e_action_predef_name_set("Mixer",
_("Increase Volume of Focused Application"),
"volume_increase_app", NULL, NULL, 0);
}
_action_decr_app = e_action_add("volume_decrease_app");
if (_action_decr_app)
{
_action_decr_app->func.go = _volume_decrease_app_cb;
e_action_predef_name_set("Mixer",
_("Decrease Volume of Focused Application"),
"volume_decrease_app", NULL, NULL, 0);
}
_action_mute_app = e_action_add("volume_mute_app");
if (_action_mute_app)
{
_action_mute_app->func.go = _volume_mute_app_cb;
e_action_predef_name_set("Mixer",
_("Mute Volume of Focused Application"),
"volume_mute_app", NULL, NULL, 0);
}
e_comp_canvas_keys_ungrab();
e_comp_canvas_keys_grab();
}
static void
_actions_unregister(void)
{
if (_action_incr)
{
e_action_predef_name_del("Mixer", _("Increase Volume"));
e_action_del("volume_increase");
_action_incr = NULL;
}
if (_action_decr)
{
e_action_predef_name_del("Mixer", _("Decrease Volume"));
e_action_del("volume_decrease");
_action_decr = NULL;
}
if (_action_mute)
{
e_action_predef_name_del("Mixer", _("Mute Volume"));
e_action_del("volume_mute");
_action_mute = NULL;
}
if (_action_incr_app)
{
e_action_predef_name_del("Mixer",
_("Increase Volume of Focused Application"));
e_action_del("volume_increase_app");
_action_incr_app = NULL;
}
if (_action_decr_app)
{
e_action_predef_name_del("Mixer",
_("Decrease Volume of Focused Application"));
e_action_del("volume_decrease_app");
_action_decr_app = NULL;
}
if (_action_mute_app)
{
e_action_predef_name_del("Mixer",
_("Mute Volume of Focused Application"));
e_action_del("volume_mute_app");
_action_mute_app = NULL;
}
e_comp_canvas_keys_ungrab();
e_comp_canvas_keys_grab();
}
static void
_sink_event(int type, void *info)
{
Emix_Sink *sink = info;
const Eina_List *l;
if (type == EMIX_SINK_REMOVED_EVENT)
{
if (sink == _sink_default)
{
l = emix_sinks_get();
if (l) _sink_default = l->data;
else _sink_default = NULL;
if (emix_config_save_get()) e_config_save_queue();
_backend_changed();
}
}
else if (type == EMIX_SINK_CHANGED_EVENT)
{
/* If pulseaudio changed the default sink, swap the UI to display it
instead of previously selected sink */
if (sink->default_sink)
_sink_default = sink;
if (_sink_default == sink)
{
static int prev_vol = -1;
int vol;
_backend_changed();
if (sink->mute || !sink->volume.channel_count) vol = 0;
else vol = sink->volume.volumes[0];
if (vol != prev_vol)
{
_notify(vol);
prev_vol = vol;
}
}
}
else
{
DBG("Sink added");
}
/*
Only safe the state if we are not in init mode,
If we are in init mode, this is a result of the restore call.
Restore iterates over a list of sinks which would get deleted in the
save_state_get call.
*/
if (!_backend_init_flag)
{
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
ecore_event_add(E_EVENT_MIXER_SINKS_CHANGED, NULL, NULL, NULL);
}
}
static void
_disconnected(void)
{
E_Client_Volume_Sink *sink;
EINA_LIST_FREE(_client_sinks, sink)
{
e_client_volume_sink_del(sink);
}
_sink_default = NULL;
_restored = EINA_FALSE;
_backend_changed();
}
static void
_ready(void)
{
_backend_init_flag = EINA_TRUE;
if (emix_sink_default_support())
_sink_default = emix_sink_default_get();
else
{
if (emix_sinks_get())
_sink_default = emix_sinks_get()->data;
}
if (emix_config_save_get() && !_restored)
{
Emix_Sink *s;
const char *sinkname;
sinkname = emix_config_save_sink_get();
if (sinkname)
{
Eina_List *sinks = (Eina_List *)emix_sinks_get();
Eina_List *l;
EINA_LIST_FOREACH(sinks, l, s)
{
if ((s->name) && (!strcmp(s->name, sinkname)))
{
_sink_default = s;
break;
}
}
}
emix_config_save_state_restore();
_restored = EINA_TRUE;
}
_backend_changed();
_backend_init_flag = EINA_FALSE;
}
static void
_sink_input_get(int *volume, Eina_Bool *muted, void *data)
{
Emix_Sink_Input *input;
input = data;
if (input->volume.channel_count > 0)
{
if (volume) *volume = input->volume.volumes[0];
}
if (muted) *muted = input->mute;
}
static void
_sink_input_set(int volume, Eina_Bool muted, void *data)
{
Emix_Sink_Input *input;
input = data;
VOLSET(volume, input->volume, input, emix_sink_input_volume_set);
emix_sink_input_mute_set(input, muted);
}
static int
_sink_input_min_get(void *data EINA_UNUSED)
{
return 0;
}
static int
_sink_input_max_get(void *data EINA_UNUSED)
{
return emix_max_volume_get();
}
static const char *
_sink_input_name_get(void *data)
{
Emix_Sink_Input *input;
input = data;
return input->name;
}
EINTERN pid_t
backend_util_get_ppid(pid_t pid)
{
int fd;
char buf[128];
char *s;
pid_t ppid;
/* Open the status info process file provided by kernel to get the parent
* process id. 'man 5 proc' and go to /proc/[pid]/stat to get information
* about the content of this file.
*/
snprintf(buf, sizeof(buf), "/proc/%d/stat", pid);
fd = open(buf, O_RDONLY);
if (fd == -1)
{
ERR("Can't open %s, maybee the process exited.", buf);
return -1;
}
if ((read(fd, buf, sizeof(buf))) < 4)
{
close(fd);
return -1;
}
buf[sizeof(buf) - 1] = 0;
s = strrchr(buf, ')');
s += 3;
ppid = atoi(s);
close(fd);
return ppid;
}
static void
_sink_input_event(int type, Emix_Sink_Input *input)
{
Eina_List *clients, *l, *ll;
E_Client *ec;
E_Client_Volume_Sink *sink;
pid_t pid;
Eina_Bool found = EINA_FALSE;
switch (type)
{
case EMIX_SINK_INPUT_ADDED_EVENT:
pid = input->pid;
for (;;)
{
if ((pid <= 1) || (pid == getpid())) return;
clients = e_client_focus_stack_get();
EINA_LIST_FOREACH(clients, l, ec)
{
if ((ec->netwm.pid == pid) && (!ec->parent))
{
DBG("Sink found the client %s",
e_client_util_name_get(ec));
sink = e_client_volume_sink_new(_sink_input_get,
_sink_input_set,
_sink_input_min_get,
_sink_input_max_get,
_sink_input_name_get,
input);
e_client_volume_sink_append(ec, sink);
_client_sinks = eina_list_append(_client_sinks, sink);
found = EINA_TRUE;
}
}
if (found) break;
pid = backend_util_get_ppid(pid);
}
break;
case EMIX_SINK_INPUT_REMOVED_EVENT:
EINA_LIST_FOREACH_SAFE(_client_sinks, l, ll, sink)
{
if (sink->data == input)
{
e_client_volume_sink_del(sink);
_client_sinks = eina_list_remove_list(_client_sinks, l);
}
}
break;
case EMIX_SINK_INPUT_CHANGED_EVENT:
EINA_LIST_FOREACH(_client_sinks, l, sink)
{
if (sink->data == input)
{
e_client_volume_sink_update(sink);
}
}
break;
}
}
static void
_source_event(int type, Emix_Source *source)
{
const Eina_List *l;
if (type == EMIX_SOURCE_REMOVED_EVENT)
{
if (source == _source_default)
{
l = emix_sources_get();
if (l) _source_default = l->data;
else _source_default = NULL;
if (emix_config_save_get()) e_config_save_queue();
_backend_changed();
}
}
else if (type == EMIX_SOURCE_CHANGED_EVENT)
{
/* If pulseaudio changed the default sink, swap the UI to display it
instead of previously selected sink */
if (source->default_source)
_source_default = source;
if (_source_default == source)
{
static int prev_vol = -1;
int vol;
_backend_changed();
if (source->mute || !source->volume.channel_count) vol = 0;
else vol = source->volume.volumes[0];
if (vol != prev_vol)
{
// _notify(vol);
prev_vol = vol;
}
}
}
else
{
DBG("Source added");
}
/*
Only safe the state if we are not in init mode,
If we are in init mode, this is a result of the restore call.
Restore iterates over a list of sinks which would get deleted in the
save_state_get call.
*/
if (!_backend_init_flag)
{
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
// ecore_event_add(E_EVENT_MIXER_SINKS_CHANGED, NULL, NULL, NULL);
}
}
static void
_source_output_event(int type, Emix_Source_Output *output EINA_UNUSED)
{
switch (type)
{
case EMIX_SOURCE_OUTPUT_ADDED_EVENT:
break;
case EMIX_SOURCE_OUTPUT_REMOVED_EVENT:
break;
case EMIX_SOURCE_OUTPUT_CHANGED_EVENT:
break;
}
}
static void
_events_cb(void *data EINA_UNUSED, enum Emix_Event type, void *event_info)
{
switch (type)
{
case EMIX_SINK_ADDED_EVENT:
case EMIX_SINK_CHANGED_EVENT:
case EMIX_SINK_REMOVED_EVENT:
_sink_event(type, event_info);
break;
case EMIX_DISCONNECTED_EVENT:
_disconnected();
break;
case EMIX_READY_EVENT:
_ready();
break;
case EMIX_SINK_INPUT_ADDED_EVENT:
case EMIX_SINK_INPUT_REMOVED_EVENT:
case EMIX_SINK_INPUT_CHANGED_EVENT:
_sink_input_event(type, event_info);
break;
case EMIX_SOURCE_ADDED_EVENT:
case EMIX_SOURCE_CHANGED_EVENT:
case EMIX_SOURCE_REMOVED_EVENT:
_source_event(type, event_info);
break;
case EMIX_SOURCE_OUTPUT_ADDED_EVENT:
case EMIX_SOURCE_OUTPUT_CHANGED_EVENT:
case EMIX_SOURCE_OUTPUT_REMOVED_EVENT:
_source_output_event(type, event_info);
break;
default:
break;
}
}
static Eina_Bool
_desklock_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *info)
{
E_Event_Desklock *ev = info;
static Eina_Bool _was_mute = EINA_FALSE;
if (emix_config_desklock_mute_get() == EINA_FALSE)
return ECORE_CALLBACK_PASS_ON;
if (ev->on)
{
if (_sink_default)
{
_was_mute = _sink_default->mute;
if (!_was_mute)
emix_sink_mute_set((Emix_Sink *)_sink_default, EINA_TRUE);
}
}
else
{
if (_sink_default)
{
if (!_was_mute)
emix_sink_mute_set((Emix_Sink *)_sink_default, EINA_FALSE);
}
}
return ECORE_CALLBACK_PASS_ON;
}
static void
_emix_backend_changed(const char *backend, void *data EINA_UNUSED)
{
_disconnected();
if (emix_backend_set(backend) == EINA_FALSE)
ERR("Could not load backend: %s", backend);
}
static void
_bd_hook_volume_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
E_Client *ec;
ec = data;
e_client_volume_set(ec, elm_slider_value_get(obj));
}
static void
_bd_hook_volume_drag_stop(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
E_Client *ec;
ec = data;
elm_slider_value_set(obj, ec->volume);
}
static void
_bd_hook_mute_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
E_Client *ec;
ec = data;
e_client_volume_mute_set(ec, elm_check_state_get(obj));
}
static void
_bd_hook_sink_volume_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
E_Client_Volume_Sink *sink;
Evas_Object *check;
sink = data;
check = evas_object_data_get(obj, "e_sink_check");
e_client_volume_sink_set(sink,
elm_slider_value_get(obj),
elm_check_state_get(check));
}
static void
_bd_hook_sink_volume_drag_stop(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
E_Client_Volume_Sink *sink;
Evas_Object *check;
Eina_Bool mute;
int vol;
sink = data;
check = evas_object_data_get(obj, "e_sink_check");
e_client_volume_sink_get(sink, &vol, &mute);
elm_slider_value_set(obj, vol);
elm_check_state_set(check, mute);
}
static void
_bd_hook_sink_mute_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
E_Client_Volume_Sink *sink;
Evas_Object *slider;
sink = data;
slider = evas_object_data_get(obj, "e_sink_volume");
e_client_volume_sink_set(sink,
elm_slider_value_get(slider),
elm_check_state_get(obj));
}
static Eina_Bool
_e_client_volume_changed(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client *ev;
Client_Mixer *cm;
E_Client_Volume_Sink *sink;
Evas_Object *o;
Eina_List *l;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
elm_slider_value_set(cm->volume, cm->ec->volume);
EINA_LIST_FOREACH(cm->sinks, l, o)
{
int volume;
sink = evas_object_data_get(o, "e_sink");
e_client_volume_sink_get(sink, &volume, NULL);
elm_slider_value_set(o, volume);
}
break;
}
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_client_mute_changed(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client *ev;
Client_Mixer *cm;
E_Client_Volume_Sink *sink;
Evas_Object *o, *check;
Eina_List *l;
Eina_Bool mute;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
elm_check_state_set(cm->mute, !!cm->ec->mute);
elm_object_disabled_set(cm->volume, !!cm->ec->mute);
EINA_LIST_FOREACH(cm->sinks, l, o)
{
sink = evas_object_data_get(o, "e_sink");
check = evas_object_data_get(o, "e_sink_check");
e_client_volume_sink_get(sink, NULL, &mute);
elm_check_state_set(check, mute);
elm_object_disabled_set(o, mute);
}
break;
}
}
return ECORE_CALLBACK_PASS_ON;
}
static void
_e_client_mixer_sink_append(E_Client_Volume_Sink *sink, Client_Mixer *cm)
{
Evas_Object *lbl, *slider, *check, *sep;
int volume;
int min, max;
Eina_Bool mute;
min = e_client_volume_sink_min_get(sink);
max = e_client_volume_sink_max_get(sink);
e_client_volume_sink_get(sink, &volume, &mute);
sep = elm_separator_add(cm->bx);
elm_separator_horizontal_set(sep, EINA_TRUE);
evas_object_size_hint_weight_set(sep, 0.0, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(sep, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(cm->bx, sep);
evas_object_show(sep);
lbl = elm_label_add(cm->bx);
elm_object_text_set(lbl, e_client_volume_sink_name_get(sink));
evas_object_size_hint_align_set(lbl, 0.0, EVAS_HINT_FILL);
elm_box_pack_end(cm->bx, lbl);
evas_object_show(lbl);
slider = elm_slider_add(cm->bx);
elm_slider_horizontal_set(slider, EINA_TRUE);
elm_slider_min_max_set(slider, min, max);
elm_slider_span_size_set(slider, max * elm_config_scale_get());
elm_slider_unit_format_set(slider, "%.0f");
elm_slider_indicator_format_set(slider, "%.0f");
evas_object_size_hint_weight_set(slider, 0.0, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(slider, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_slider_value_set(slider, volume);
evas_object_smart_callback_add(slider, "changed",
_bd_hook_sink_volume_changed, sink);
evas_object_smart_callback_add(slider, "slider,drag,stop",
_bd_hook_sink_volume_drag_stop, sink);
elm_box_pack_end(cm->bx, slider);
evas_object_show(slider);
check = elm_check_add(cm->bx);
elm_object_text_set(check, _("Mute"));
evas_object_size_hint_align_set(check, 0.0, EVAS_HINT_FILL);
elm_check_state_set(check, !!mute);
elm_object_disabled_set(slider, !!mute);
evas_object_smart_callback_add(check, "changed",
_bd_hook_sink_mute_changed, sink);
elm_box_pack_end(cm->bx, check);
evas_object_show(check);
evas_object_data_set(slider, "e_sink", sink);
evas_object_data_set(slider, "e_sink_check", check);
evas_object_data_set(slider, "e_sink_label", lbl);
evas_object_data_set(slider, "e_sink_separator", sep);
evas_object_data_set(check, "e_sink_volume", slider);
cm->sinks = eina_list_append(cm->sinks, slider);
}
static Eina_Bool
_e_client_volume_sink_add(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client_Volume_Sink *ev;
Client_Mixer *cm;
Eina_List *l;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
_e_client_mixer_sink_append(ev->sink, cm);
}
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_client_volume_sink_del(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client_Volume_Sink *ev;
E_Client_Volume_Sink *sink;
Client_Mixer *cm;
Evas_Object *o, *lbl, *check, *sep;
Eina_List *l;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
EINA_LIST_FOREACH(cm->sinks, l, o)
{
sink = evas_object_data_get(o, "e_sink");
if (sink == ev->sink)
{
lbl = evas_object_data_get(o, "e_sink_label");
check = evas_object_data_get(o, "e_sink_check");
sep = evas_object_data_get(o, "e_sink_separator");
evas_object_del(sep);
evas_object_del(lbl);
evas_object_del(o);
evas_object_del(check);
cm->sinks = eina_list_remove_list(cm->sinks, l);
}
}
break;
}
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_client_volume_sink_changed(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client_Volume_Sink *ev;
Client_Mixer *cm;
E_Client_Volume_Sink *sink;
Evas_Object *o, *check;
Eina_List *l;
int volume;
Eina_Bool mute;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
EINA_LIST_FOREACH(cm->sinks, l, o)
{
sink = evas_object_data_get(o, "e_sink");
if (sink != ev->sink) continue;
check = evas_object_data_get(o, "e_sink_check");
e_client_volume_sink_get(sink, &volume, &mute);
elm_slider_value_set(o, volume);
elm_object_disabled_set(o, mute);
elm_check_state_set(check, mute);
}
break;
}
}
return ECORE_CALLBACK_PASS_ON;
}
static void
_client_mixer_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
Client_Mixer *cm;
cm = data;
_client_mixers = eina_list_remove(_client_mixers, cm);
free(cm);
}
static Eina_Bool
_e_client_add(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client *ev;
Eina_List *l;
Emix_Sink_Input *input;
pid_t pid;
E_Client_Volume_Sink *sink;
ev = event;
if (ev->ec->parent) return ECORE_CALLBACK_PASS_ON;
EINA_LIST_FOREACH((Eina_List *)emix_sink_inputs_get(), l, input)
{
pid = input->pid;
while (42)
{
if (pid <= 1 || pid == getpid()) return ECORE_CALLBACK_PASS_ON;
if (ev->ec->netwm.pid == pid)
{
DBG("Client(%s) found a sink input",
e_client_util_name_get(ev->ec));
sink = e_client_volume_sink_new(_sink_input_get,
_sink_input_set,
_sink_input_min_get,
_sink_input_max_get,
_sink_input_name_get,
input);
e_client_volume_sink_append(ev->ec, sink);
_client_sinks = eina_list_append(_client_sinks, sink);
return ECORE_CALLBACK_PASS_ON;
}
pid = backend_util_get_ppid(pid);
}
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_client_remove(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Event_Client *ev;
Client_Mixer *cm;
Eina_List *l;
ev = event;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ev->ec)
{
evas_object_event_callback_del_full(cm->win, EVAS_CALLBACK_DEL,
_client_mixer_del, cm);
evas_object_del(cm->win);
_client_mixers = eina_list_remove_list(_client_mixers, l);
free(cm);
break;
}
}
return ECORE_CALLBACK_PASS_ON;
}
static void
_bd_hook_cb(void *data, E_Menu *m EINA_UNUSED, E_Menu_Item *it EINA_UNUSED)
{
E_Client *ec;
Client_Mixer *cm;
E_Client_Volume_Sink *sink;
Evas_Object *win, *popup, *bx, *o;
Eina_List *l;
int w, h;
ec = data;
EINA_LIST_FOREACH(_client_mixers, l, cm)
{
if (cm->ec == ec)
return;
}
cm = E_NEW(Client_Mixer, 1);
cm->ec = ec;
win = elm_popup_add(e_comp->elm);
elm_popup_allow_events_set(win, EINA_TRUE);
bx = elm_box_add(win);
elm_box_horizontal_set(bx, EINA_FALSE);
elm_object_content_set(win, bx);
evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
cm->bx = bx;
o = elm_label_add(bx);
elm_object_text_set(o, _("Main"));
evas_object_size_hint_align_set(o, 0.0, EVAS_HINT_FILL);
elm_box_pack_end(bx, o);
evas_object_show(o);
o = elm_slider_add(bx);
elm_slider_horizontal_set(o, EINA_TRUE);
elm_slider_min_max_set(o, ec->volume_min, ec->volume_max);
elm_slider_span_size_set(o, ec->volume_max * elm_config_scale_get());
elm_slider_unit_format_set(o, "%.0f");
elm_slider_indicator_format_set(o, "%.0f");
evas_object_size_hint_weight_set(o, 0.0, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_slider_value_set(o, ec->volume);
evas_object_smart_callback_add(o, "changed", _bd_hook_volume_changed, ec);
evas_object_smart_callback_add(o, "slider,drag,stop",
_bd_hook_volume_drag_stop, ec);
elm_box_pack_end(bx, o);
evas_object_show(o);
cm->volume = o;
o = elm_check_add(bx);
elm_object_text_set(o, _("Mute"));
evas_object_size_hint_align_set(o, 0.0, EVAS_HINT_FILL);
elm_check_state_set(o, !!ec->mute);
elm_object_disabled_set(o, !!ec->mute);
evas_object_smart_callback_add(o, "changed", _bd_hook_mute_changed, ec);
elm_box_pack_end(bx, o);
evas_object_show(o);
cm->mute = o;
EINA_LIST_FOREACH(ec->sinks, l, sink)
{
_e_client_mixer_sink_append(sink, cm);
}
evas_object_show(bx);
evas_object_size_hint_min_get(bx, &w, &h);
evas_object_resize(win, w, h);
evas_object_show(win);
popup = e_comp_object_util_add(win, E_COMP_OBJECT_TYPE_NONE);
evas_object_layer_set(popup, E_LAYER_POPUP);
e_comp_object_util_center_on_zone(popup, ec->zone);
evas_object_show(popup);
e_comp_object_util_autoclose(popup, NULL, NULL, NULL);
_client_mixers = eina_list_append(_client_mixers, cm);
evas_object_event_callback_add(popup, EVAS_CALLBACK_DEL, _client_mixer_del, cm);
cm->win = popup;
}
static void
_bd_hook(void *data EINA_UNUSED, E_Client *ec)
{
E_Menu_Item *it;
E_Menu *m;
Eina_List *l;
if (!ec->volume_control_enabled) return;
m = ec->border_menu;
/* Find the first separator and add us below him */
EINA_LIST_FOREACH(m->items, l, it)
{
if (it->separator) break;
}
if ((!it) || (!it->separator)) return;
it = e_menu_item_new_relative(m, it);
e_menu_item_label_set(it, _("Volume"));
e_util_menu_item_theme_icon_set(it, "preferences-desktop-mixer");
e_menu_item_callback_set(it, _bd_hook_cb, ec);
it = e_menu_item_new_relative(m, it);
e_menu_item_separator_set(it, EINA_TRUE);
}
static Eina_Bool
_emixer_del_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *info EINA_UNUSED)
{
_emixer_exe = NULL;
if (_emix_exe_event_del_handler)
{
ecore_event_handler_del(_emix_exe_event_del_handler);
_emix_exe_event_del_handler = NULL;
}
return EINA_TRUE;
}
static void
_backend_changed(void)
{
ecore_event_add(E_EVENT_MIXER_BACKEND_CHANGED, NULL, NULL, NULL);
}
EINTERN int
backend_init(void)
{
Eina_List *l;
const char *backend;
Eina_Bool backend_loaded = EINA_FALSE;
if (_volume_init++) return _volume_init;
_backend_log_domain = eina_log_domain_register("mixer_backend", EINA_COLOR_RED);
DBG("Init mixer backend");
EINA_SAFETY_ON_FALSE_RETURN_VAL(emix_init(), --_volume_init);
DBG("Init mixer backend config");
emix_config_init(_emix_backend_changed, NULL);
DBG("Init mixer backend callback");
emix_event_callback_add(_events_cb, NULL);
backend = emix_config_backend_get();
if (backend && emix_backend_set(backend))
backend_loaded = EINA_TRUE;
else
{
if (backend)
WRN("Could not load %s, trying another one ...", backend);
EINA_LIST_FOREACH((Eina_List *)emix_backends_available(), l,
backend)
{
if (emix_backend_set(backend) == EINA_TRUE)
{
DBG("Loaded backend: %s!", backend);
backend_loaded = EINA_TRUE;
emix_config_backend_set(backend);
break;
}
}
}
if (!backend_loaded) goto err;
if (emix_sink_default_support())
_sink_default = emix_sink_default_get();
if (emix_source_default_support())
_source_default = emix_source_default_get();
_actions_register();
_border_hook = e_int_client_menu_hook_add(_bd_hook, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_DESKLOCK,
_desklock_cb, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_VOLUME,
_e_client_volume_changed, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_MUTE,
_e_client_mute_changed, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_UNMUTE,
_e_client_mute_changed, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_ADD,
_e_client_add, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_REMOVE,
_e_client_remove, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_VOLUME_SINK_ADD,
_e_client_volume_sink_add, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_VOLUME_SINK_DEL,
_e_client_volume_sink_del, NULL);
E_LIST_HANDLER_APPEND(_client_handlers, E_EVENT_CLIENT_VOLUME_SINK_CHANGED,
_e_client_volume_sink_changed, NULL);
E_EVENT_MIXER_BACKEND_CHANGED = ecore_event_type_new();
E_EVENT_MIXER_SINKS_CHANGED = ecore_event_type_new();
return _volume_init;
err:
emix_config_shutdown();
emix_shutdown();
return --_volume_init;
}
EINTERN int
backend_shutdown(void)
{
E_Client_Volume_Sink *sink;
Client_Mixer *cm;
if (!--_volume_init) return _volume_init;
E_FREE_LIST(_client_handlers, ecore_event_handler_del);
EINA_LIST_FREE(_client_mixers, cm)
{
evas_object_event_callback_del_full(cm->win, EVAS_CALLBACK_DEL,
_client_mixer_del, cm);
evas_object_del(cm->win);
free(cm);
}
e_int_client_menu_hook_del(_border_hook);
_actions_unregister();
EINA_LIST_FREE(_client_sinks, sink)
e_client_volume_sink_del(sink);
if (_emix_exe_event_del_handler)
{
ecore_event_handler_del(_emix_exe_event_del_handler);
_emix_exe_event_del_handler = NULL;
}
emix_event_callback_del(_events_cb, NULL);
emix_shutdown();
emix_config_shutdown();
eina_log_domain_unregister(_backend_log_domain);
return _volume_init;
}
EINTERN void
backend_emixer_exec(void)
{
if (_emixer_exe) return;
_emixer_exe = e_util_exe_safe_run("emixer", NULL);
if (_emix_exe_event_del_handler)
ecore_event_handler_del(_emix_exe_event_del_handler);
_emix_exe_event_del_handler =
ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _emixer_del_cb, NULL);
}
EINTERN void
backend_volume_set(unsigned int volume)
{
EINA_SAFETY_ON_NULL_RETURN(_sink_default);
DBG("Sink default mute set %d", volume);
VOLSET(volume, ((Emix_Sink *)_sink_default)->volume,
(Emix_Sink *)_sink_default, emix_sink_volume_set);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
}
EINTERN unsigned int
backend_volume_get(void)
{
unsigned int volume = 0, i;
EINA_SAFETY_ON_NULL_RETURN_VAL(_sink_default, 0);
for (i = 0; i < _sink_default->volume.channel_count; i++)
volume += _sink_default->volume.volumes[i];
if (_sink_default->volume.channel_count)
volume = volume / _sink_default->volume.channel_count;
DBG("Sink default volume get %d", volume);
return volume;
}
EINTERN void
backend_volume_decrease(void)
{
_volume_decrease_cb(NULL, NULL);
}
EINTERN void
backend_volume_increase(void)
{
_volume_increase_cb(NULL, NULL);
}
EINTERN void
backend_mute_set(Eina_Bool mute)
{
EINA_SAFETY_ON_NULL_RETURN(_sink_default);
DBG("Sink default mute set %d", mute);
emix_sink_mute_set((Emix_Sink *)_sink_default, mute);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
}
EINTERN Eina_Bool
backend_mute_get(void)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(_sink_default, EINA_FALSE);
DBG("Mute get %d", _sink_default->mute);
return _sink_default->mute;
}
EINTERN void
backend_sink_default_set(const Emix_Sink *s)
{
if (_sink_default != s)
{
_sink_default = s;
if (s)
{
DBG("Sink default set %s", s->name);
emix_sink_default_set((Emix_Sink *)s);
emix_config_save_sink_set(s->name);
}
_backend_changed();
}
}
EINTERN const Emix_Sink *
backend_sink_default_get(void)
{
return _sink_default;
}
//////////////////////////////////////////////////////////////////////////////
EINTERN Eina_Bool
backend_source_active_get(void)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(_source_default, EINA_FALSE);
if (emix_source_outputs_get()) return EINA_TRUE;
return EINA_FALSE;
}
EINTERN void
backend_source_volume_decrease(void)
{
EINA_SAFETY_ON_NULL_RETURN(_source_default);
_volume_source_adjust(-VOLUME_STEP);
}
EINTERN void
backend_source_volume_increase(void)
{
EINA_SAFETY_ON_NULL_RETURN(_source_default);
_volume_source_adjust(VOLUME_STEP);
}
EINTERN void
backend_source_mute_set(Eina_Bool mute)
{
EINA_SAFETY_ON_NULL_RETURN(_source_default);
DBG("Source default mute set %d", mute);
emix_source_mute_set((Emix_Source *)_source_default, mute);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
}
EINTERN Eina_Bool
backend_source_mute_get(void)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(_source_default, EINA_FALSE);
return _source_default->mute;
}
EINTERN void
backend_source_volume_set(unsigned int volume)
{
EINA_SAFETY_ON_NULL_RETURN(_source_default);
DBG("Sink default mute set %d", volume);
VOLSET(volume, ((Emix_Source *)_source_default)->volume,
(Emix_Source *)_source_default, emix_source_volume_set);
emix_config_save_state_get();
if (emix_config_save_get()) e_config_save_queue();
}
EINTERN unsigned int
backend_source_volume_get(void)
{
unsigned int volume = 0, i;
EINA_SAFETY_ON_NULL_RETURN_VAL(_source_default, 0);
for (i = 0; i < _source_default->volume.channel_count; i++)
volume += _source_default->volume.volumes[i];
if (_source_default->volume.channel_count)
volume = volume / _source_default->volume.channel_count;
DBG("Source default volume get %d", volume);
return volume;
}
EINTERN const Emix_Source *
backend_source_default_get(void)
{
return _source_default;
}
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