Import upstream version 0.5.9

1 files changed, 293 insertions, 0 deletions

diff --git a/src/active-sink.c b/src/active-sink.c
new file mode 100644
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--- /dev/null
+++ b/src/active-sink.c
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+/*
+Copyright 2011 Canonical Ltd.
+
+Authors:
+    Conor Curran <conor.curran@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 <libdbusmenu-glib/menuitem.h>
+
+#include "active-sink.h"
+#include "slider-menu-item.h"
+#include "mute-menu-item.h"
+
+#include "pulseaudio-mgr.h"
+
+typedef struct _ActiveSinkPrivate ActiveSinkPrivate;
+
+struct _ActiveSinkPrivate
+{
+  SliderMenuItem*     volume_slider_menuitem;
+  MuteMenuItem*       mute_menuitem;
+  SoundState          current_sound_state;  
+  SoundServiceDbus*   service;
+  gint                index;
+  gchar*              name;
+  pa_cvolume          volume;
+  pa_channel_map      channel_map;
+  pa_volume_t         base_volume;
+};
+
+#define ACTIVE_SINK_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), ACTIVE_SINK_TYPE, ActiveSinkPrivate))
+
+/* Prototypes */
+static void active_sink_class_init (ActiveSinkClass *klass);
+static void active_sink_init       (ActiveSink *self);
+static void active_sink_dispose    (GObject *object);
+static void active_sink_finalize   (GObject *object);
+
+static SoundState active_sink_get_state_from_volume (ActiveSink* self);
+static pa_cvolume active_sink_construct_mono_volume (const pa_cvolume* vol);
+static void active_sink_volume_update (ActiveSink* self, gdouble percent);
+static void active_sink_mute_update (ActiveSink* self, gboolean muted);
+
+
+G_DEFINE_TYPE (ActiveSink, active_sink, G_TYPE_OBJECT);
+
+static void
+active_sink_class_init (ActiveSinkClass *klass)
+{
+  GObjectClass      *gobject_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (ActiveSinkPrivate));
+
+  gobject_class->dispose = active_sink_dispose;
+  gobject_class->finalize = active_sink_finalize;  
+}
+
+static void
+active_sink_init (ActiveSink *self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  priv->mute_menuitem = NULL;
+  priv->volume_slider_menuitem = NULL;
+  priv->current_sound_state = UNAVAILABLE;
+  priv->index = -1;
+  priv->name = NULL;
+  priv->service = NULL;
+
+  // Init our menu items.
+  priv->mute_menuitem = g_object_new (MUTE_MENU_ITEM_TYPE, NULL);
+  priv->volume_slider_menuitem = slider_menu_item_new (self);
+  mute_menu_item_enable (priv->mute_menuitem, FALSE);
+  slider_menu_item_enable (priv->volume_slider_menuitem, FALSE);  
+}
+
+static void
+active_sink_dispose (GObject *object)
+{  
+  G_OBJECT_CLASS (active_sink_parent_class)->dispose (object);
+}
+
+static void
+active_sink_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (active_sink_parent_class)->finalize (object);  
+}
+
+void
+active_sink_populate (ActiveSink* sink,
+                      const pa_sink_info* update)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE(sink);
+
+  priv->name = g_strdup (update->name);
+  priv->index = update->index;
+  active_sink_mute_update (sink, update->mute);
+  priv->volume = active_sink_construct_mono_volume (&update->volume);
+  priv->base_volume = update->base_volume;
+  priv->channel_map = update->channel_map;
+
+  pa_volume_t vol = pa_cvolume_max (&update->volume);
+  gdouble volume_percent = ((gdouble) vol * 100) / PA_VOLUME_NORM;
+
+  active_sink_volume_update (sink, volume_percent);  
+  active_sink_mute_update (sink, update->mute);
+  mute_menu_item_enable (priv->mute_menuitem, TRUE);
+  slider_menu_item_enable (priv->volume_slider_menuitem, TRUE);
+
+  g_debug ("Active sink has been populated - volume %f", volume_percent);
+}
+
+void
+active_sink_update (ActiveSink* sink,
+                    const pa_sink_info* update)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (sink);
+  active_sink_mute_update (sink, update->mute);
+  priv->volume = active_sink_construct_mono_volume (&update->volume);
+  priv->base_volume = update->base_volume;
+  priv->channel_map = update->channel_map;
+
+  pa_volume_t vol = pa_cvolume_max (&update->volume);
+  gdouble volume_percent = ((gdouble) vol * 100) / PA_VOLUME_NORM;
+
+  active_sink_volume_update (sink, volume_percent);  
+  active_sink_mute_update (sink, update->mute);  
+}
+
+// To the UI
+static void
+active_sink_volume_update (ActiveSink* self, gdouble percent)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  slider_menu_item_update (priv->volume_slider_menuitem, percent);  
+  SoundState state = active_sink_get_state_from_volume (self);
+  if (priv->current_sound_state != state){
+    priv->current_sound_state  = state;
+    sound_service_dbus_update_sound_state (priv->service,
+                                           priv->current_sound_state);
+  }
+}
+
+// From the UI
+void 
+active_sink_update_volume (ActiveSink* self, gdouble percent)
+{
+  pa_cvolume new_volume;
+  pa_cvolume_init(&new_volume);
+  new_volume.channels = 1;
+  pa_volume_t new_volume_value = (pa_volume_t) ((percent * PA_VOLUME_NORM) / 100);
+  pa_cvolume_set(&new_volume, 1, new_volume_value);
+
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+
+  pa_cvolume_set(&priv->volume, priv->channel_map.channels, new_volume_value);
+  pm_update_volume (priv->index, new_volume);
+}
+
+
+static void 
+active_sink_mute_update (ActiveSink* self, gboolean muted)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  mute_menu_item_update (priv->mute_menuitem, muted);
+  SoundState state = active_sink_get_state_from_volume (self);
+  
+  if (muted == TRUE){
+    state = MUTED;
+  }
+  if (priv->current_sound_state != state){
+    priv->current_sound_state = state;
+    sound_service_dbus_update_sound_state (priv->service, state);
+  }
+}
+
+void
+active_sink_ensure_sink_is_unmuted (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  if (mute_menu_item_is_muted (priv->mute_menuitem)){
+    pm_update_mute (FALSE);    
+  }
+}
+
+
+static SoundState
+active_sink_get_state_from_volume (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  GVariant* v = dbusmenu_menuitem_property_get_variant (DBUSMENU_MENUITEM(priv->volume_slider_menuitem),
+                                                        DBUSMENU_VOLUME_MENUITEM_LEVEL);
+  gdouble volume_percent = g_variant_get_double (v);
+
+  SoundState state = LOW_LEVEL;
+
+  if (volume_percent < 30.0 && volume_percent > 0) {
+    state = LOW_LEVEL;
+  } 
+  else if (volume_percent < 70.0 && volume_percent >= 30.0) {
+    state = MEDIUM_LEVEL;
+  } 
+  else if (volume_percent >= 70.0) {
+    state = HIGH_LEVEL;
+  } 
+  else if (volume_percent == 0.0) {
+    state = ZERO_LEVEL;
+  }
+  return state;
+}
+
+static pa_cvolume
+active_sink_construct_mono_volume (const pa_cvolume* vol)
+{
+  pa_cvolume new_volume;
+  pa_cvolume_init(&new_volume);
+  new_volume.channels = 1;
+  pa_volume_t max_vol = pa_cvolume_max(vol);
+  pa_cvolume_set(&new_volume, 1, max_vol);
+  return new_volume;
+}
+
+void
+active_sink_determine_blocking_state (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  if (mute_menu_item_is_muted (priv->mute_menuitem)){
+    /**
+    We don't want to set the current state to blocking
+    as this is a fire and forget event.
+    */  
+    sound_service_dbus_update_sound_state (priv->service,
+                                           BLOCKED);  
+  }
+}
+
+gint
+active_sink_get_index (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  return priv->index;
+}
+
+gboolean
+active_sink_is_populated (ActiveSink* sink)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (sink);
+  return (priv->index != -1);
+}
+
+void 
+active_sink_deactivate (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  priv->current_sound_state = UNAVAILABLE;
+  sound_service_dbus_update_sound_state (priv->service,
+                                         priv->current_sound_state);  
+  mute_menu_item_enable (priv->mute_menuitem, FALSE);
+  slider_menu_item_enable (priv->volume_slider_menuitem, FALSE);
+  priv->index = -1;
+  g_free(priv->name);
+  priv->name = NULL;
+}
+
+SoundState
+active_sink_get_state (ActiveSink* self)
+{
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (self);
+  return priv->current_sound_state;
+}
+
+ActiveSink*
+active_sink_new (SoundServiceDbus* service)
+{
+  ActiveSink* sink = g_object_new (ACTIVE_SINK_TYPE, NULL);
+  ActiveSinkPrivate* priv = ACTIVE_SINK_GET_PRIVATE (sink);
+  priv->service = service;
+  sound_service_dbus_build_sound_menu (service,
+                                       mute_menu_item_get_button (priv->mute_menuitem),
+                                       DBUSMENU_MENUITEM (priv->volume_slider_menuitem));
+  pm_establish_pulse_connection (sink);
+  return sink; 
+}