Adding upstream version 43.9.upstream/43.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 744 insertions, 0 deletions

diff --git a/subprojects/gvc/gvc-mixer-ui-device.c b/subprojects/gvc/gvc-mixer-ui-device.c
new file mode 100644
index 0000000..db1a694
--- /dev/null
+++ b/subprojects/gvc/gvc-mixer-ui-device.c
@@ -0,0 +1,744 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
+/*
+ * gvc-mixer-ui-device.c
+ * Copyright (C) Conor Curran 2011 <conor.curran@canonical.com>
+ * Copyright (C) 2012 David Henningsson, Canonical Ltd. <david.henningsson@canonical.com>
+ *
+ * gvc-mixer-ui-device.c is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * gvc-mixer-ui-device.c 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 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 <string.h>
+
+#include "gvc-mixer-ui-device.h"
+#include "gvc-mixer-card.h"
+
+struct GvcMixerUIDevicePrivate
+{
+        gchar                      *first_line_desc;
+        gchar                      *second_line_desc;
+
+        GvcMixerCard               *card;
+        gchar                      *port_name;
+        char                       *icon_name; 
+        guint                       stream_id;
+        guint                       id;
+        gboolean                    port_available;
+
+        /* These two lists contain pointers to GvcMixerCardProfile objects. Those objects are owned by GvcMixerCard. *
+         * TODO: Do we want to add a weak reference to the GvcMixerCard for this reason? */
+        GList                      *supported_profiles; /* all profiles supported by this port.*/
+        GList                      *profiles; /* profiles to be added to combobox, subset of supported_profiles. */
+        GvcMixerUIDeviceDirection   type;
+        gboolean                    disable_profile_swapping;
+        gchar                      *user_preferred_profile;
+};
+
+enum
+{
+        PROP_0,
+        PROP_DESC_LINE_1,
+        PROP_DESC_LINE_2,
+        PROP_CARD,
+        PROP_PORT_NAME,
+        PROP_STREAM_ID,
+        PROP_UI_DEVICE_TYPE,
+        PROP_PORT_AVAILABLE,
+        PROP_ICON_NAME,
+        N_PROPS
+};
+static GParamSpec *obj_props[N_PROPS] = { NULL, };
+
+static void     gvc_mixer_ui_device_finalize   (GObject               *object);
+
+static void     gvc_mixer_ui_device_set_icon_name (GvcMixerUIDevice *device,
+                                                   const char       *icon_name);
+
+G_DEFINE_TYPE_WITH_PRIVATE (GvcMixerUIDevice, gvc_mixer_ui_device, G_TYPE_OBJECT)
+
+static guint32
+get_next_output_serial (void)
+{
+        static guint32 output_serial = 1;
+        guint32 serial;
+
+        serial = output_serial++;
+
+        if ((gint32)output_serial < 0)
+                output_serial = 1;
+
+        return serial;
+}
+
+static void
+gvc_mixer_ui_device_get_property  (GObject       *object,
+                                   guint         property_id,
+                                   GValue        *value,
+                                   GParamSpec    *pspec)
+{
+        GvcMixerUIDevice *self = GVC_MIXER_UI_DEVICE (object);
+
+        switch (property_id) {
+        case PROP_DESC_LINE_1:
+                g_value_set_string (value, self->priv->first_line_desc);
+                break;
+        case PROP_DESC_LINE_2:
+                g_value_set_string (value, self->priv->second_line_desc);
+                break;
+        case PROP_CARD:
+                g_value_set_pointer (value, self->priv->card);
+                break;
+        case PROP_PORT_NAME:
+                g_value_set_string (value, self->priv->port_name);
+                break;
+        case PROP_STREAM_ID:
+                g_value_set_uint (value, self->priv->stream_id);
+                break;
+        case PROP_UI_DEVICE_TYPE:
+                g_value_set_uint (value, (guint)self->priv->type);
+                break;
+        case PROP_PORT_AVAILABLE:
+                g_value_set_boolean (value, self->priv->port_available);
+                break;
+        case PROP_ICON_NAME:
+                g_value_set_string (value, gvc_mixer_ui_device_get_icon_name (self));
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+                break;
+        }
+}
+
+static void
+gvc_mixer_ui_device_set_property  (GObject      *object,
+                                   guint         property_id,
+                                   const GValue *value,
+                                   GParamSpec   *pspec)
+{
+        GvcMixerUIDevice *self = GVC_MIXER_UI_DEVICE (object);
+
+        switch (property_id) {
+        case PROP_DESC_LINE_1:
+                g_free (self->priv->first_line_desc);
+                self->priv->first_line_desc = g_value_dup_string (value);
+                g_debug ("gvc-mixer-output-set-property - 1st line: %s",
+                         self->priv->first_line_desc);
+                break;
+        case PROP_DESC_LINE_2:
+                g_free (self->priv->second_line_desc);
+                self->priv->second_line_desc = g_value_dup_string (value);
+                g_debug ("gvc-mixer-output-set-property - 2nd line: %s",
+                         self->priv->second_line_desc);
+                break;
+        case PROP_CARD:
+                self->priv->card = g_value_get_pointer (value);
+                g_debug ("gvc-mixer-output-set-property - card: %p",
+                         self->priv->card);
+                break;
+        case PROP_PORT_NAME:
+                g_free (self->priv->port_name);
+                self->priv->port_name = g_value_dup_string (value);
+                g_debug ("gvc-mixer-output-set-property - card port name: %s",
+                         self->priv->port_name);
+                break;
+        case PROP_STREAM_ID:
+                self->priv->stream_id = g_value_get_uint (value);
+                g_debug ("gvc-mixer-output-set-property - sink/source id: %i",
+                         self->priv->stream_id);
+                break;
+        case PROP_UI_DEVICE_TYPE:
+                self->priv->type = (GvcMixerUIDeviceDirection) g_value_get_uint (value);
+                break;
+        case PROP_PORT_AVAILABLE:
+                self->priv->port_available = g_value_get_boolean (value);
+                g_debug ("gvc-mixer-output-set-property - port available %i, value passed in %i",
+                         self->priv->port_available, g_value_get_boolean (value));
+                break;
+        case PROP_ICON_NAME:
+                gvc_mixer_ui_device_set_icon_name (self, g_value_get_string (value));
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+                break;
+        }
+}
+
+static GObject *
+gvc_mixer_ui_device_constructor (GType                  type,
+                                 guint                  n_construct_properties,
+                                 GObjectConstructParam *construct_params)
+{
+        GObject           *object;
+        GvcMixerUIDevice  *self;
+
+        object = G_OBJECT_CLASS (gvc_mixer_ui_device_parent_class)->constructor (type, n_construct_properties, construct_params);
+
+        self = GVC_MIXER_UI_DEVICE (object);
+        self->priv->id = get_next_output_serial ();
+        self->priv->stream_id = GVC_MIXER_UI_DEVICE_INVALID;
+        return object;
+}
+
+static void
+gvc_mixer_ui_device_init (GvcMixerUIDevice *device)
+{
+        device->priv = gvc_mixer_ui_device_get_instance_private (device);
+}
+
+static void
+gvc_mixer_ui_device_dispose (GObject *object)
+{
+        GvcMixerUIDevice *device;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GVC_MIXER_UI_DEVICE (object));
+
+        device = GVC_MIXER_UI_DEVICE (object);
+
+        g_clear_pointer (&device->priv->port_name, g_free);
+        g_clear_pointer (&device->priv->icon_name, g_free);
+        g_clear_pointer (&device->priv->first_line_desc, g_free);
+        g_clear_pointer (&device->priv->second_line_desc, g_free);
+        g_clear_pointer (&device->priv->profiles, g_list_free);
+        g_clear_pointer (&device->priv->supported_profiles, g_list_free);
+        g_clear_pointer (&device->priv->user_preferred_profile, g_free);
+
+        G_OBJECT_CLASS (gvc_mixer_ui_device_parent_class)->dispose (object);
+}
+
+static void
+gvc_mixer_ui_device_finalize (GObject *object)
+{
+        G_OBJECT_CLASS (gvc_mixer_ui_device_parent_class)->finalize (object);
+}
+
+static void
+gvc_mixer_ui_device_class_init (GvcMixerUIDeviceClass *klass)
+{
+        GObjectClass* object_class = G_OBJECT_CLASS (klass);
+
+        object_class->constructor = gvc_mixer_ui_device_constructor;
+        object_class->dispose = gvc_mixer_ui_device_dispose;
+        object_class->finalize = gvc_mixer_ui_device_finalize;
+        object_class->set_property = gvc_mixer_ui_device_set_property;
+        object_class->get_property = gvc_mixer_ui_device_get_property;
+
+        obj_props[PROP_DESC_LINE_1] =
+                g_param_spec_string ("description",
+                                     "Description construct prop",
+                                     "Set first line description",
+                                     "no-name-set",
+                                     G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_DESC_LINE_2] =
+                g_param_spec_string ("origin",
+                                     "origin construct prop",
+                                     "Set second line description name",
+                                     "no-name-set",
+                                     G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_CARD] =
+                g_param_spec_pointer ("card",
+                                      "Card from pulse",
+                                      "Set/Get card",
+                                      G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_PORT_NAME] =
+                g_param_spec_string ("port-name",
+                                     "port-name construct prop",
+                                     "Set port-name",
+                                     NULL,
+                                     G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_STREAM_ID] =
+                g_param_spec_uint ("stream-id",
+                                   "stream id assigned by gvc-stream",
+                                   "Set/Get stream id",
+                                   0,
+                                   G_MAXUINT,
+                                   GVC_MIXER_UI_DEVICE_INVALID,
+                                   G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_UI_DEVICE_TYPE] =
+                g_param_spec_uint ("type",
+                                   "ui-device type",
+                                   "determine whether its an input and output",
+                                   0, 1, 0,
+                                   G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_PORT_AVAILABLE] =
+                g_param_spec_boolean ("port-available",
+                                      "available",
+                                      "determine whether this port is available",
+                                      FALSE,
+                                      G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
+
+        obj_props[PROP_ICON_NAME] =
+                g_param_spec_string ("icon-name",
+                                     "Icon Name",
+                                     "Name of icon to display for this card",
+                                     NULL,
+                                     G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_STATIC_STRINGS);
+
+        g_object_class_install_properties (object_class, N_PROPS, obj_props);
+}
+
+/* Removes the part of the string that starts with skip_prefix
+ * ie. corresponding to the other direction.
+ * Normally either "input:" or "output:"
+ *
+ * Example: if given the input string "output:hdmi-stereo+input:analog-stereo" and
+ * skip_prefix "input:", the resulting string is "output:hdmi-stereo".
+ *
+ * The returned string must be freed with g_free().
+ */
+static gchar *
+get_profile_canonical_name (const gchar *profile_name, const gchar *skip_prefix)
+{
+        gchar *result = NULL;
+        gchar **s;
+        guint i;
+
+        /* optimisation for the simple case. */
+        if (strstr (profile_name, skip_prefix) == NULL)
+                return g_strdup (profile_name);
+
+        s = g_strsplit (profile_name, "+", 0);
+        for (i = 0; i < g_strv_length (s); i++) {
+                if (g_str_has_prefix (s[i], skip_prefix))
+                        continue;
+                if (result == NULL)
+                        result = g_strdup (s[i]);
+                else {
+                        gchar *c = g_strdup_printf("%s+%s", result, s[i]);
+                        g_free(result);
+                        result = c;
+                }
+        }
+
+        g_strfreev(s);
+
+        if (!result)
+                return g_strdup("off");
+
+        return result;
+}
+
+const gchar *
+gvc_mixer_ui_device_get_matching_profile (GvcMixerUIDevice *device, const gchar *profile)
+{
+        const gchar *skip_prefix = device->priv->type == UIDeviceInput ? "output:" : "input:";
+        gchar *target_cname = get_profile_canonical_name (profile, skip_prefix);
+        GList *l;
+        gchar *result = NULL;
+
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+        g_return_val_if_fail (profile != NULL, NULL);
+
+        for (l = device->priv->profiles; l != NULL; l = l->next) {
+                gchar *canonical_name;
+                GvcMixerCardProfile* p = l->data;
+                canonical_name = get_profile_canonical_name (p->profile, skip_prefix);
+                if (strcmp (canonical_name, target_cname) == 0)
+                        result = p->profile;
+                g_free (canonical_name);
+        }
+
+        g_free (target_cname);
+        g_debug ("Matching profile for '%s' is '%s'", profile, result ? result : "(null)");
+        return result;
+}
+
+
+static void
+add_canonical_names_of_profiles (GvcMixerUIDevice *device,
+                                 const GList      *in_profiles,
+                                 GHashTable       *added_profiles,
+                                 const gchar      *skip_prefix,
+                                 gboolean          only_canonical)
+{
+        const GList *l;
+
+        for (l = in_profiles; l != NULL; l = l->next) {
+                gchar *canonical_name;
+                GvcMixerCardProfile* p = l->data;
+
+                canonical_name = get_profile_canonical_name (p->profile, skip_prefix);
+                g_debug ("The canonical name for '%s' is '%s'", p->profile, canonical_name);
+
+                /* Have we already added the canonical version of this profile? */
+                if (g_hash_table_contains (added_profiles, canonical_name)) {
+                        g_free (canonical_name);
+                        continue;
+                }
+
+                if (only_canonical && strcmp (p->profile, canonical_name) != 0) {
+                        g_free (canonical_name);
+                        continue;
+                }
+
+                g_free (canonical_name);
+
+                /* https://bugzilla.gnome.org/show_bug.cgi?id=693654
+                 * Don't add a profile that will make the UI device completely disappear */
+                if (p->n_sinks == 0 && p->n_sources == 0)
+                        continue;
+
+                g_debug ("Adding profile to combobox: '%s' - '%s'", p->profile, p->human_profile);
+                g_hash_table_insert (added_profiles, g_strdup (p->profile), p);
+                device->priv->profiles = g_list_append (device->priv->profiles, p);
+        }
+}
+
+/**
+ * gvc_mixer_ui_device_set_profiles:
+ * @in_profiles: (element-type Gvc.MixerCardProfile): a list of GvcMixerCardProfile
+ *
+ * Assigns value to
+ *  - device->priv->profiles (profiles to be added to combobox)
+ *  - device->priv->supported_profiles (all profiles of this port)
+ *  - device->priv->disable_profile_swapping (whether to show the combobox)
+ *
+ * This method attempts to reduce the list of profiles visible to the user by figuring out
+ * from the context of that device (whether it's an input or an output) what profiles
+ * actually provide an alternative.
+ *
+ * It does this by the following.
+ *  - It ignores off profiles.
+ *  - It takes the canonical name of the profile. That name is what you get when you
+ *    ignore the other direction.
+ *  - In the first iteration, it only adds the names of canonical profiles - i e
+ *    when the other side is turned off.
+ *  - Normally the first iteration covers all cases, but sometimes (e g bluetooth)
+ *    it doesn't, so add other profiles whose canonical name isn't already added
+ *    in a second iteration.
+ */
+void
+gvc_mixer_ui_device_set_profiles (GvcMixerUIDevice *device,
+                                  const GList      *in_profiles)
+{
+        GHashTable *added_profiles;
+        const gchar *skip_prefix = device->priv->type == UIDeviceInput ? "output:" : "input:";
+
+        g_return_if_fail (GVC_IS_MIXER_UI_DEVICE (device));
+
+        g_debug ("Set profiles for '%s'", gvc_mixer_ui_device_get_description(device));
+
+        if (in_profiles == NULL)
+                return;
+
+        device->priv->supported_profiles = g_list_copy ((GList*) in_profiles);
+
+        added_profiles = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+        /* Run two iterations: First, add profiles which are canonical themselves,
+         * Second, add profiles for which the canonical name is not added already. */
+
+        add_canonical_names_of_profiles(device, in_profiles, added_profiles, skip_prefix, TRUE);
+        add_canonical_names_of_profiles(device, in_profiles, added_profiles, skip_prefix, FALSE);
+
+        /* TODO: Consider adding the "Off" profile here */
+
+        device->priv->disable_profile_swapping = g_hash_table_size (added_profiles) <= 1;
+        g_hash_table_destroy (added_profiles);
+}
+
+/**
+ * gvc_mixer_ui_device_get_best_profile:
+ * @selected: (allow-none): The selected profile or its canonical name or %NULL for any profile
+ * @current: The currently selected profile
+ *
+ * Returns: (transfer none): a profile name, valid as long as the UI device profiles are.
+ */
+const gchar *
+gvc_mixer_ui_device_get_best_profile (GvcMixerUIDevice *device,
+                                      const gchar      *selected,
+                                      const gchar      *current)
+{
+        GList *candidates, *l;
+        const gchar *result;
+        const gchar *skip_prefix;
+        gchar *canonical_name_selected;
+
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+        g_return_val_if_fail (current != NULL, NULL);
+
+        if (device->priv->type == UIDeviceInput)
+                skip_prefix = "output:";
+        else
+                skip_prefix = "input:";
+
+        /* First make a list of profiles acceptable to switch to */
+        canonical_name_selected = NULL;
+        if (selected)
+                canonical_name_selected = get_profile_canonical_name (selected, skip_prefix);
+
+	candidates = NULL;
+        for (l = device->priv->supported_profiles; l != NULL; l = l->next) {
+                gchar *canonical_name;
+                GvcMixerCardProfile* p = l->data;
+                canonical_name = get_profile_canonical_name (p->profile, skip_prefix);
+                if (!canonical_name_selected || strcmp (canonical_name, canonical_name_selected) == 0) {
+                        candidates = g_list_append (candidates, p);
+                        g_debug ("Candidate for profile switching: '%s'", p->profile);
+                }
+                g_free (canonical_name);
+        }
+
+        if (!candidates) {
+                g_warning ("No suitable profile candidates for '%s'", selected ? selected : "(null)");
+                g_free (canonical_name_selected);
+                return current;
+        }
+
+        /* 1) Maybe we can skip profile switching altogether? */
+        result = NULL;
+        for (l = candidates; (result == NULL) && (l != NULL); l = l->next) {
+                GvcMixerCardProfile* p = l->data;
+                if (strcmp (current, p->profile) == 0)
+                        result = p->profile;
+        }
+
+        /* 2) Try to keep the other side unchanged if possible */
+        if (result == NULL) {
+                guint prio = 0;
+                const gchar *skip_prefix_reverse = device->priv->type == UIDeviceInput ? "input:" : "output:";
+                gchar *current_reverse = get_profile_canonical_name (current, skip_prefix_reverse);
+                for (l = candidates; l != NULL; l = l->next) {
+                        gchar *p_reverse;
+                        GvcMixerCardProfile* p = l->data;
+                        p_reverse = get_profile_canonical_name (p->profile, skip_prefix_reverse);
+                        g_debug ("Comparing '%s' (from '%s') with '%s', prio %d", p_reverse, p->profile, current_reverse, p->priority); 
+                        if (strcmp (p_reverse, current_reverse) == 0 && (!result || p->priority > prio)) {
+                                result = p->profile;
+                                prio = p->priority;
+                        }
+                        g_free (p_reverse);
+                }
+                g_free (current_reverse);
+        }
+
+        /* 3) All right, let's just pick the profile with highest priority.
+         * TODO: We could consider asking a GUI question if this stops streams
+         * in the other direction */
+        if (result == NULL) {
+                guint prio = 0;
+                for (l = candidates; l != NULL; l = l->next) {
+                        GvcMixerCardProfile* p = l->data;
+                        if ((p->priority > prio) || !result) {
+                                result = p->profile;
+                                prio = p->priority;
+                        }
+                }
+        }
+
+        g_list_free (candidates);
+        g_free (canonical_name_selected);
+        return result;
+}
+
+const gchar *
+gvc_mixer_ui_device_get_active_profile (GvcMixerUIDevice* device)
+{
+        GvcMixerCardProfile *profile;
+
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        if (device->priv->card == NULL) {
+                g_warning ("Device did not have an appropriate card");
+                return NULL;
+        }
+
+        profile = gvc_mixer_card_get_profile (device->priv->card);
+        return gvc_mixer_ui_device_get_matching_profile (device, profile->profile);
+}
+
+gboolean
+gvc_mixer_ui_device_should_profiles_be_hidden (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), FALSE);
+
+        return device->priv->disable_profile_swapping;
+}
+
+/**
+ * gvc_mixer_ui_device_get_profiles:
+ * @device:
+ *
+ * Returns: (transfer none) (element-type Gvc.MixerCardProfile):
+ */
+GList*
+gvc_mixer_ui_device_get_profiles (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->profiles;
+}
+
+/**
+ * gvc_mixer_ui_device_get_supported_profiles:
+ * @device:
+ *
+ * Returns: (transfer none) (element-type Gvc.MixerCardProfile):
+ */
+GList*
+gvc_mixer_ui_device_get_supported_profiles (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->supported_profiles;
+}
+
+guint
+gvc_mixer_ui_device_get_id (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), 0);
+
+        return device->priv->id;
+}
+
+guint
+gvc_mixer_ui_device_get_stream_id (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), 0);
+
+        return device->priv->stream_id;
+}
+
+void
+gvc_mixer_ui_device_invalidate_stream (GvcMixerUIDevice *self)
+{
+        g_return_if_fail (GVC_IS_MIXER_UI_DEVICE (self));
+
+        self->priv->stream_id = GVC_MIXER_UI_DEVICE_INVALID;
+}
+
+const gchar *
+gvc_mixer_ui_device_get_description (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->first_line_desc;
+}
+
+const char *
+gvc_mixer_ui_device_get_icon_name (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        if (device->priv->icon_name)
+                return device->priv->icon_name;
+
+        if (device->priv->card)
+                return gvc_mixer_card_get_icon_name (device->priv->card);
+
+        return NULL;
+}
+
+static void
+gvc_mixer_ui_device_set_icon_name (GvcMixerUIDevice *device,
+                                   const char       *icon_name)
+{
+        g_return_if_fail (GVC_IS_MIXER_UI_DEVICE (device));
+
+        g_free (device->priv->icon_name);
+        device->priv->icon_name = g_strdup (icon_name);
+        g_object_notify_by_pspec (G_OBJECT (device), obj_props[PROP_ICON_NAME]);
+}
+
+
+/**
+ * gvc_mixer_ui_device_get_gicon:
+ * @device:
+ *
+ * Returns: (transfer full):
+ */
+GIcon *
+gvc_mixer_ui_device_get_gicon (GvcMixerUIDevice *device)
+{
+        const char *icon_name;
+
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        icon_name = gvc_mixer_ui_device_get_icon_name (device);
+
+        if (icon_name != NULL)
+                return g_themed_icon_new_with_default_fallbacks (icon_name);
+        else
+                return NULL;
+}
+
+const gchar *
+gvc_mixer_ui_device_get_origin (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->second_line_desc;
+}
+
+const gchar*
+gvc_mixer_ui_device_get_user_preferred_profile (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->user_preferred_profile;
+}
+
+const gchar *
+gvc_mixer_ui_device_get_top_priority_profile (GvcMixerUIDevice *device)
+{
+        GList *last;
+        GvcMixerCardProfile *profile;
+
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        last = g_list_last (device->priv->supported_profiles);
+        profile = last->data;
+
+        return profile->profile;
+}
+
+void
+gvc_mixer_ui_device_set_user_preferred_profile (GvcMixerUIDevice *device,
+                                                const gchar      *profile)
+{
+        g_return_if_fail (GVC_IS_MIXER_UI_DEVICE (device));
+        g_return_if_fail (profile != NULL);
+
+        g_free (device->priv->user_preferred_profile);
+        device->priv->user_preferred_profile = g_strdup (profile);
+}
+
+const gchar *
+gvc_mixer_ui_device_get_port (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL);
+
+        return device->priv->port_name;
+}
+
+gboolean
+gvc_mixer_ui_device_has_ports (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), FALSE);
+
+        return (device->priv->port_name != NULL);
+}
+
+gboolean
+gvc_mixer_ui_device_is_output (GvcMixerUIDevice *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), FALSE);
+
+        return (device->priv->type == UIDeviceOutput);
+}