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[rhythmbox] audioscrobbler: create radio stations through popup menus in profile source

commit 1be5c045b933c0c5b729050a6b267820373688d9
Author: Jamie Nicol <jamie thenicols net>
Date:   Fri Jul 9 17:29:32 2010 +0100

    audioscrobbler: create radio stations through popup menus in profile source
    
    Tracks and Artists shown in lists in the profile source have items in
    their popup menus to create relevent "Similar Artists" and "Top Fans"
    radio stations.

 .../rb-audioscrobbler-profile-source.c             |  186 +++++++++++++++++---
 .../rb-audioscrobbler-radio-source.c               |   40 ++++-
 .../rb-audioscrobbler-radio-source.h               |   16 ++
 3 files changed, 218 insertions(+), 24 deletions(-)
---
diff --git a/plugins/audioscrobbler/rb-audioscrobbler-profile-source.c b/plugins/audioscrobbler/rb-audioscrobbler-profile-source.c
index ccd5110..e3d613b 100644
--- a/plugins/audioscrobbler/rb-audioscrobbler-profile-source.c
+++ b/plugins/audioscrobbler/rb-audioscrobbler-profile-source.c
@@ -42,6 +42,7 @@
 #include "rb-builder-helpers.h"
 #include "rb-file-helpers.h"
 #include "rb-preferences.h"
+#include "rb-sourcelist.h"
 #include "rb-util.h"
 
 #define CONF_AUDIOSCROBBLER_ENABLE_SCROBBLING CONF_PLUGINS_PREFIX "/audioscrobbler/%s/scrobbling_enabled"
@@ -143,7 +144,10 @@ static void rb_audioscrobbler_profile_source_playing_song_changed_cb (RBShellPla
                                                                      RhythmDBEntry *entry,
                                                                      RBAudioscrobblerProfileSource *source);
 
-static void rb_audioscrobbler_profile_source_create_radio_sources (RBAudioscrobblerProfileSource *source);
+static void rb_audioscrobbler_profile_source_load_radio_stations (RBAudioscrobblerProfileSource *source);
+static RBSource *rb_audioscrobbler_profile_source_add_radio_station (RBAudioscrobblerProfileSource *source,
+                                                                     const char *url,
+                                                                     const char *name);
 
 static void rb_audioscrobbler_profile_source_user_info_updated_cb (RBAudioscrobblerUser *user,
                                                                    RBAudioscrobblerUserData *info,
@@ -174,6 +178,11 @@ static GtkWidget *rb_audioscrobbler_profile_source_create_popup_menu (RBAudioscr
 static void rb_audioscrobbler_profile_source_list_item_clicked_cb (GtkButton *button, gpointer user_data);
 static void rb_audioscrobbler_profile_source_list_item_view_url_activated_cb (GtkMenuItem *menuitem,
                                                                               gpointer user_data);
+static void rb_audioscrobbler_profile_source_list_item_listen_similar_artists_activated_cb (GtkMenuItem *menuitem,
+                                                                                            gpointer user_data);
+static void rb_audioscrobbler_profile_source_list_item_listen_top_fans_activated_cb (GtkMenuItem *menuitem,
+                                                                                     gpointer user_data);
+
 static void rb_audioscrobbler_profile_source_list_table_pack_start (GtkTable *list_table, GtkWidget *item);
 void rb_audioscrobbler_profile_source_list_layout_size_allocate_cb (GtkWidget *layout,
                                                                     GtkAllocation *allocation,
@@ -688,7 +697,7 @@ rb_audioscrobbler_profile_source_login_status_change_cb (RBAudioscrobblerAccount
 		rb_audioscrobbler_user_update (source->priv->user);
 	}
 
-	rb_audioscrobbler_profile_source_create_radio_sources (source);
+	rb_audioscrobbler_profile_source_load_radio_stations (source);
 
 	/* update the login ui */
 	switch (status) {
@@ -803,8 +812,9 @@ rb_audioscrobbler_profile_source_playing_song_changed_cb (RBShellPlayer *player,
 	g_free (action_name);
 }
 
+/* remove old radio sources and load ones for new user */
 static void
-rb_audioscrobbler_profile_source_create_radio_sources (RBAudioscrobblerProfileSource *source)
+rb_audioscrobbler_profile_source_load_radio_stations (RBAudioscrobblerProfileSource *source)
 {
 	const char *username;
 	const char *session_key;
@@ -818,37 +828,60 @@ rb_audioscrobbler_profile_source_create_radio_sources (RBAudioscrobblerProfileSo
 	username = rb_audioscrobbler_account_get_username (source->priv->account);
 	session_key = rb_audioscrobbler_account_get_session_key (source->priv->account);
 	if (username != NULL) {
-		RBSource *radio;
-		RBShell *shell;
+		/* TODO: load user's saved radio stations */
 
-		g_object_get (source, "shell", &shell, NULL);
+		rb_audioscrobbler_profile_source_add_radio_station (source,
+		                                                    "lastfm://user/easyonthev/recommended",
+		                                                    "Recommendations");
 
-		radio = rb_audioscrobbler_radio_source_new (source,
-		                                            source->priv->service,
-		                                            username,
-		                                            session_key,
-		                                            "Recommendations",
-		                                            "lastfm://user/easyonthev/recommended");
-		source->priv->radio_sources = g_list_append (source->priv->radio_sources, radio);
+		rb_audioscrobbler_profile_source_add_radio_station (source,
+		                                                    "lastfm://user/easyonthev/loved",
+		                                                    "Loved Tracks");
+	}
+}
 
-		radio = rb_audioscrobbler_radio_source_new (source,
-		                                            source->priv->service,
-		                                            username,
-		                                            session_key,
-		                                            "Loved Tracks",
-		                                            "lastfm://user/easyonthev/loved");
-		source->priv->radio_sources = g_list_append (source->priv->radio_sources, radio);
+/* adds a new radio station for the user, if it doesn't already exist */
+static RBSource *
+rb_audioscrobbler_profile_source_add_radio_station (RBAudioscrobblerProfileSource *source,
+                                                    const char *url,
+                                                    const char *name)
+{
+	GList *i;
+	RBSource *radio = NULL;
+
+	/* check for existing station */
+	for (i = source->priv->radio_sources; i != NULL; i = i->next) {
+		char *existing_url;
+		g_object_get (i->data, "station-url", &existing_url, NULL);
+
+		if (strcmp (existing_url, url) == 0) {
+			radio = i->data;
+		}
+
+		g_free (existing_url);
+	}
+
+	if (radio == NULL) {
+		const char *username;
+		const char *session_key;
+		RBShell *shell;
+
+		username = rb_audioscrobbler_account_get_username (source->priv->account);
+		session_key = rb_audioscrobbler_account_get_session_key (source->priv->account);
+		g_object_get (source, "shell", &shell, NULL);
 
 		radio = rb_audioscrobbler_radio_source_new (source,
 		                                            source->priv->service,
 		                                            username,
 		                                            session_key,
-		                                            "My Library",
-		                                            "lastfm://user/easyonthev/library");
+		                                            name,
+		                                            url);
 		source->priv->radio_sources = g_list_append (source->priv->radio_sources, radio);
 
 		g_object_unref (shell);
 	}
+
+	return radio;
 }
 
 static void
@@ -1081,6 +1114,7 @@ rb_audioscrobbler_profile_source_create_popup_menu (RBAudioscrobblerProfileSourc
 
 	menu = gtk_menu_new ();
 
+	/* Visit on website */
 	if (data->url != NULL && data->url[0] != '\0') {
 		GtkWidget *view_url_item;
 		char *item_text;
@@ -1097,6 +1131,34 @@ rb_audioscrobbler_profile_source_create_popup_menu (RBAudioscrobblerProfileSourc
 		g_free (item_text);
 	}
 
+	/* Similar artists radio */
+	if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_TRACK ||
+	    data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_ARTIST) {
+		GtkWidget *similar_artists_item;
+
+		similar_artists_item = gtk_menu_item_new_with_mnemonic (("Listen to _Similar Artists Radio"));
+		g_signal_connect (similar_artists_item,
+				  "activate",
+				  (GCallback) rb_audioscrobbler_profile_source_list_item_listen_similar_artists_activated_cb,
+				  source);
+
+		gtk_menu_shell_append (GTK_MENU_SHELL (menu), similar_artists_item);
+	}
+
+	/* Top fans radio */
+	if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_TRACK ||
+	    data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_ARTIST) {
+		GtkWidget *top_fans_item;
+
+		top_fans_item = gtk_menu_item_new_with_mnemonic (("Listen to _Top Fans Radio"));
+		g_signal_connect (top_fans_item,
+				  "activate",
+				  (GCallback) rb_audioscrobbler_profile_source_list_item_listen_top_fans_activated_cb,
+				  source);
+
+		gtk_menu_shell_append (GTK_MENU_SHELL (menu), top_fans_item);
+	}
+
 	gtk_widget_show_all (menu);
 
 	return menu;
@@ -1141,6 +1203,84 @@ rb_audioscrobbler_profile_source_list_item_view_url_activated_cb (GtkMenuItem *m
 }
 
 static void
+rb_audioscrobbler_profile_source_list_item_listen_similar_artists_activated_cb (GtkMenuItem *menuitem,
+                                                                                gpointer user_data)
+{
+	RBAudioscrobblerProfileSource *source;
+	GtkWidget *menu;
+	RBAudioscrobblerUserData *data;
+	const char *artist = NULL;
+	char *radio_url;
+	char *radio_name;
+	RBSource *radio;
+	RBShell *shell;
+	RBSourceList *sourcelist;
+
+	source = RB_AUDIOSCROBBLER_PROFILE_SOURCE (user_data);
+	menu = gtk_widget_get_parent (GTK_WIDGET (menuitem));
+	data = g_hash_table_lookup (source->priv->popup_menu_to_data_map, menu);
+	if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_ARTIST) {
+		artist = data->artist.name;
+	} else if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_TRACK) {
+		artist = data->track.artist;
+	}
+
+	radio_url = g_strdup_printf (rb_audioscrobbler_radio_type_get_url (RB_AUDIOSCROBBLER_RADIO_TYPE_SIMILAR_ARTISTS),
+	                             artist);
+	radio_name = g_strdup_printf (rb_audioscrobbler_radio_type_get_default_name (RB_AUDIOSCROBBLER_RADIO_TYPE_SIMILAR_ARTISTS),
+	                              artist);
+
+	radio = rb_audioscrobbler_profile_source_add_radio_station (source, radio_url, radio_name);
+	g_object_get (source, "shell", &shell, NULL);
+	g_object_get (shell, "sourcelist", &sourcelist, NULL);
+	rb_sourcelist_select (sourcelist, radio);
+
+	g_free (radio_url);
+	g_free (radio_name);
+	g_object_unref (shell);
+	g_object_unref (sourcelist);
+}
+
+static void
+rb_audioscrobbler_profile_source_list_item_listen_top_fans_activated_cb (GtkMenuItem *menuitem,
+                                                                         gpointer user_data)
+{
+	RBAudioscrobblerProfileSource *source;
+	GtkWidget *menu;
+	RBAudioscrobblerUserData *data;
+	const char *artist = NULL;
+	char *radio_url;
+	char *radio_name;
+	RBSource *radio;
+	RBShell *shell;
+	RBSourceList *sourcelist;
+
+	source = RB_AUDIOSCROBBLER_PROFILE_SOURCE (user_data);
+	menu = gtk_widget_get_parent (GTK_WIDGET (menuitem));
+	data = g_hash_table_lookup (source->priv->popup_menu_to_data_map, menu);
+	if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_ARTIST) {
+		artist = data->artist.name;
+	} else if (data->type == RB_AUDIOSCROBBLER_USER_DATA_TYPE_TRACK) {
+		artist = data->track.artist;
+	}
+
+	radio_url = g_strdup_printf (rb_audioscrobbler_radio_type_get_url (RB_AUDIOSCROBBLER_RADIO_TYPE_TOP_FANS),
+	                             artist);
+	radio_name = g_strdup_printf (rb_audioscrobbler_radio_type_get_default_name (RB_AUDIOSCROBBLER_RADIO_TYPE_TOP_FANS),
+	                              artist);
+
+	radio = rb_audioscrobbler_profile_source_add_radio_station (source, radio_url, radio_name);
+	g_object_get (source, "shell", &shell, NULL);
+	g_object_get (shell, "sourcelist", &sourcelist, NULL);
+	rb_sourcelist_select (sourcelist, radio);
+
+	g_free (radio_url);
+	g_free (radio_name);
+	g_object_unref (shell);
+	g_object_unref (sourcelist);
+}
+
+static void
 rb_audioscrobbler_profile_source_list_table_pack_start (GtkTable *list_table, GtkWidget *item)
 {
 	int num_columns;
@@ -1240,7 +1380,7 @@ rb_audioscrobbler_profile_source_love_track_action_cb (GtkAction *action,
 
 	/* disable love/ban */
 	gtk_action_set_sensitive (action, FALSE);
-	ban_action_name = g_strdup_printf ("%sBanSong", rb_audioscrobbler_service_get_name (source->priv->service));
+	ban_action_name = g_strdup_printf ("%sBanTrack", rb_audioscrobbler_service_get_name (source->priv->service));
 	ban_action = gtk_action_group_get_action (source->priv->action_group, ban_action_name);
 	gtk_action_set_sensitive (ban_action, FALSE);
 
diff --git a/plugins/audioscrobbler/rb-audioscrobbler-radio-source.c b/plugins/audioscrobbler/rb-audioscrobbler-radio-source.c
index 4155e12..d0094c9 100644
--- a/plugins/audioscrobbler/rb-audioscrobbler-radio-source.c
+++ b/plugins/audioscrobbler/rb-audioscrobbler-radio-source.c
@@ -40,6 +40,41 @@
 #include "rb-debug.h"
 #include "rb-util.h"
 
+/* radio type stuff */
+static const char* radio_names[] = {
+	N_("%s Radio"),
+	N_("%s Fan Radio"),
+	N_("%s's Library"),
+	N_("%s's Neighbourhood"),
+	N_("%s's Loved Tracks"),
+	N_("%s's Recommended Radio"),
+	N_("%s's Tag Radio"),
+	NULL
+};
+
+static const char* radio_urls[] = {
+	"lastfm://artist/%s/similarartists",
+	"lastfm://artist/%s/fans",
+	"lastfm://user/%s/library",
+	"lastfm://user/%s/neighbours",
+	"lastfm://user/%s/loved",
+	"lastfm://user/%s/recommended",
+	"lastfm://globaltags/%s",
+	NULL
+};
+
+const char *
+rb_audioscrobbler_radio_type_get_default_name (RBAudioscrobblerRadioType type)
+{
+	return radio_names[type];
+}
+
+const char *
+rb_audioscrobbler_radio_type_get_url (RBAudioscrobblerRadioType type)
+{
+	return radio_urls[type];
+}
+
 /* entry data stuff */
 
 typedef struct
@@ -255,7 +290,7 @@ rb_audioscrobbler_radio_source_class_init (RBAudioscrobblerRadioSourceClass *kla
 	                                                      "Station URL",
 	                                                      "Last.fm radio URL of the station this source will stream",
 	                                                      NULL,
-                                                              G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
+                                                              G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 
 	g_object_class_override_property (object_class,
 					  PROP_PLAY_ORDER,
@@ -379,6 +414,9 @@ rb_audioscrobbler_radio_source_get_property (GObject *object,
 {
 	RBAudioscrobblerRadioSource *source = RB_AUDIOSCROBBLER_RADIO_SOURCE (object);
 	switch (prop_id) {
+	case PROP_STATION_URL:
+		g_value_set_string (value, source->priv->station_url);
+		break;
 	case PROP_PLAY_ORDER:
 		g_value_set_object (value, source->priv->play_order);
 		break;
diff --git a/plugins/audioscrobbler/rb-audioscrobbler-radio-source.h b/plugins/audioscrobbler/rb-audioscrobbler-radio-source.h
index f85ecf6..fa005cc 100644
--- a/plugins/audioscrobbler/rb-audioscrobbler-radio-source.h
+++ b/plugins/audioscrobbler/rb-audioscrobbler-radio-source.h
@@ -36,6 +36,22 @@
 
 G_BEGIN_DECLS
 
+typedef enum
+{
+	RB_AUDIOSCROBBLER_RADIO_TYPE_SIMILAR_ARTISTS,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_TOP_FANS,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_LIBRARY,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_NEIGHBOURS,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_LOVED_TRACKS,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_RECOMMENDATION,
+	RB_AUDIOSCROBBLER_RADIO_TYPE_GLOBAL_TAG,
+
+	RB_AUDIOSCROBBLER_RADIO_TYPE_LAST
+} RBAudioscrobblerRadioType;
+
+const char *rb_audioscrobbler_radio_type_get_default_name (RBAudioscrobblerRadioType type);
+const char *rb_audioscrobbler_radio_type_get_url (RBAudioscrobblerRadioType type);
+
 #define RB_TYPE_AUDIOSCROBBLER_RADIO_SOURCE         (rb_audioscrobbler_radio_source_get_type ())
 #define RB_AUDIOSCROBBLER_RADIO_SOURCE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), RB_TYPE_AUDIOSCROBBLER_RADIO_SOURCE, RBAudioscrobblerRadioSource))
 #define RB_AUDIOSCROBBLER_RADIO_SOURCE_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), RB_TYPE_AUDIOSCROBBLER_RADIO_SOURCE, RBAudioscrobblerRadioSourceClass))
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