1 /*
2  *  Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org>
3  *  Copyright (C) 2003 Colin Walters <walters@gnome.org>
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  *
10  *  The Rhythmbox authors hereby grant permission for non-GPL compatible
11  *  GStreamer plugins to be used and distributed together with GStreamer
12  *  and Rhythmbox. This permission is above and beyond the permissions granted
13  *  by the GPL license by which Rhythmbox is covered. If you modify this code
14  *  you may extend this exception to your version of the code, but you are not
15  *  obligated to do so. If you do not wish to do so, delete this exception
16  *  statement from your version.
17  *
18  *  This program is distributed in the hope that it will be useful,
19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *  GNU General Public License for more details.
22  *
23  *  You should have received a copy of the GNU General Public License
24  *  along with this program; if not, write to the Free Software
25  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
26  *
27  */
28 
29 #ifndef __RB_SOURCE_H
30 #define __RB_SOURCE_H
31 
32 #include <gtk/gtk.h>
33 
34 #include <sources/rb-display-page.h>
35 #include <sources/rb-source-search.h>
36 #include <widgets/rb-entry-view.h>
37 #include <widgets/rb-search-entry.h>
38 #include <shell/rb-shell-preferences.h>
39 #include <shell/rb-track-transfer-batch.h>
40 
41 G_BEGIN_DECLS
42 
43 typedef enum {
44 	RB_SOURCE_EOF_ERROR,
45 	RB_SOURCE_EOF_STOP,
46 	RB_SOURCE_EOF_RETRY,
47 	RB_SOURCE_EOF_NEXT,
48 } RBSourceEOFType;
49 
50 typedef enum {
51 	RB_SOURCE_LOAD_STATUS_NOT_LOADED,
52 	RB_SOURCE_LOAD_STATUS_WAITING,
53 	RB_SOURCE_LOAD_STATUS_LOADING,
54 	RB_SOURCE_LOAD_STATUS_LOADED
55 } RBSourceLoadStatus;
56 
57 typedef struct _RBSource	RBSource;
58 typedef struct _RBSourceClass	RBSourceClass;
59 typedef struct _RBSourcePrivate	RBSourcePrivate;
60 
61 GType rb_source_eof_type_get_type (void);
62 #define RB_TYPE_SOURCE_EOF_TYPE	(rb_source_eof_type_get_type())
63 
64 GType rb_source_load_status_get_type (void);
65 #define RB_TYPE_SOURCE_LOAD_STATUS (rb_source_load_status_get_type())
66 
67 #define RB_TYPE_SOURCE         (rb_source_get_type ())
68 #define RB_SOURCE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), RB_TYPE_SOURCE, RBSource))
69 #define RB_SOURCE_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), RB_TYPE_SOURCE, RBSourceClass))
70 #define RB_IS_SOURCE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), RB_TYPE_SOURCE))
71 #define RB_IS_SOURCE_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), RB_TYPE_SOURCE))
72 #define RB_SOURCE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), RB_TYPE_SOURCE, RBSourceClass))
73 
74 typedef gboolean (*RBSourceFeatureFunc) (RBSource *source);
75 typedef const char * (*RBSourceStringFunc) (RBSource *source);
76 typedef void (*RBSourceAddCallback) (RBSource *source, const char *uri, gpointer data);
77 
78 struct _RBSource
79 {
80 	RBDisplayPage parent;
81 	RBSourcePrivate *priv;
82 };
83 
84 struct _RBSourceClass
85 {
86 	RBDisplayPageClass parent;
87 
88 	/* signals */
89 	void (*filter_changed)	(RBSource *source);
90 	void (*reset_filters)	(RBSource *source);
91 
92 	/* methods */
93 
94 	RBEntryView *	(*get_entry_view)	(RBSource *source);
95 	GList *		(*get_property_views)	(RBSource *source);
96 
97 	gboolean	(*can_rename)		(RBSource *source);
98 
99 	void		(*search)		(RBSource *source, RBSourceSearch *search, const char *cur_text, const char *new_text);
100 
101 	gboolean	(*can_cut)		(RBSource *source);
102 	gboolean	(*can_delete)		(RBSource *source);
103 	gboolean	(*can_move_to_trash) 	(RBSource *source);
104 	gboolean	(*can_copy)		(RBSource *source);
105 	gboolean	(*can_paste)		(RBSource *source);
106 	gboolean	(*can_add_to_queue)	(RBSource *source);
107 
108 	GList *		(*cut)			(RBSource *source);
109 	GList *		(*copy)			(RBSource *source);
110 	RBTrackTransferBatch *(*paste)		(RBSource *source, GList *entries);
111 	void		(*delete_selected)	(RBSource *source);
112 	void		(*add_to_queue)		(RBSource *source, RBSource *queue);
113 	void		(*move_to_trash)	(RBSource *source);
114 
115 	void		(*song_properties)	(RBSource *source);
116 
117 	gboolean	(*try_playlist)		(RBSource *source);
118 	guint		(*want_uri)		(RBSource *source, const char *uri);
119 	void		(*add_uri)		(RBSource *source,
120 						 const char *uri,
121 						 const char *title,
122 						 const char *genre,
123 						 RBSourceAddCallback callback,
124 						 gpointer data,
125 						 GDestroyNotify destroy_data);
126 	gboolean	(*uri_is_source)	(RBSource *source, const char *uri);
127 
128 	gboolean	(*can_pause)		(RBSource *source);
129 	RBSourceEOFType	(*handle_eos)		(RBSource *source);
130 	void		(*get_playback_status) 	(RBSource *source, char **text, float *progress);
131 
132 	char *		(*get_delete_label) 	(RBSource *source);
133 };
134 
135 GType		rb_source_get_type		(void);
136 
137 void		rb_source_notify_filter_changed	(RBSource *source);
138 
139 void		rb_source_update_play_statistics(RBSource *source, RhythmDB *db,
140 						 RhythmDBEntry *entry);
141 
142 /* general interface */
143 
144 RBEntryView *	rb_source_get_entry_view	(RBSource *source);
145 
146 GList *		rb_source_get_property_views	(RBSource *source);
147 
148 gboolean	rb_source_can_rename		(RBSource *source);
149 
150 void		rb_source_search		(RBSource *source,
151 						 RBSourceSearch *search,
152 						 const char *cur_text,
153 						 const char *new_text);
154 
155 gboolean	rb_source_can_cut		(RBSource *source);
156 gboolean	rb_source_can_delete		(RBSource *source);
157 gboolean	rb_source_can_move_to_trash	(RBSource *source);
158 gboolean	rb_source_can_copy		(RBSource *source);
159 gboolean	rb_source_can_paste		(RBSource *source);
160 gboolean	rb_source_can_add_to_queue	(RBSource *source);
161 gboolean	rb_source_can_show_properties	(RBSource *source);
162 
163 GList *		rb_source_cut			(RBSource *source);
164 GList *		rb_source_copy			(RBSource *source);
165 RBTrackTransferBatch *rb_source_paste		(RBSource *source, GList *entries);
166 void		rb_source_delete_selected	(RBSource *source);
167 void		rb_source_add_to_queue		(RBSource *source, RBSource *queue);
168 void		rb_source_move_to_trash		(RBSource *source);
169 
170 void		rb_source_song_properties	(RBSource *source);
171 
172 gboolean	rb_source_try_playlist		(RBSource *source);
173 guint		rb_source_want_uri		(RBSource *source, const char *uri);
174 gboolean	rb_source_uri_is_source		(RBSource *source, const char *uri);
175 void		rb_source_add_uri		(RBSource *source,
176 						 const char *uri,
177 						 const char *title,
178 						 const char *genre,
179 						 RBSourceAddCallback callback,
180 						 gpointer data,
181 						 GDestroyNotify destroy_data);
182 
183 gboolean	rb_source_can_pause		(RBSource *source);
184 RBSourceEOFType	rb_source_handle_eos		(RBSource *source);
185 
186 char *		rb_source_get_delete_label	(RBSource *source);
187 
188 GList *		rb_source_gather_selected_properties (RBSource *source, RhythmDBPropType prop);
189 
190 void            rb_source_set_hidden_when_empty (RBSource *source,
191                                                  gboolean  hidden);
192 void		rb_source_get_playback_status	(RBSource *source,
193 						 char **text,
194 						 float *progress);
195 
196 /* Protected methods, should only be used by objects inheriting from RBSource */
197 
198 gboolean	_rb_source_check_entry_type	(RBSource *source,
199 						 RhythmDBEntry *entry);
200 
201 void		rb_source_bind_settings		(RBSource *source,
202 						 GtkWidget *entry_view,
203 						 GtkWidget *paned,
204 						 GtkWidget *browser,
205 						 gboolean sort_order);
206 void		rb_source_notify_playback_status_changed (RBSource *source);
207 
208 G_END_DECLS
209 
210 #endif /* __RB_SOURCE_H */
211