2007-04-14 Christophe Fergeau <teuf@gnome.org>

	* src/itdb_device.c: add itdb_device_supports_artwork and
	idb_device_supports_photo functions
	* docs/reference/tmpl/device.sgml: update api doc
	* src/itdb_itunesdb.c: don't try to write artwork database if the iPod
	model doesn't support artwork.


git-svn-id: https://gtkpod.svn.sf.net/svnroot/gtkpod/libgpod/trunk@1414 f01d2545-417e-4e96-918e-98f8d0dbbcb6

1 files changed, 54 insertions, 1 deletions

diff --git a/src/itdb_device.c b/src/itdb_device.c
index a66a2bc..35836fb 100644
--- a/src/itdb_device.c
+++ b/src/itdb_device.c
@@ -1,4 +1,4 @@
-/* Time-stamp: <2006-11-12 23:07:06 jcs>
+/* Time-stamp: <27-mar-2007 10:09:48 teuf>
 |
 |  Copyright (C) 2002-2005 Jorg Schuler <jcsjcs at users sourceforge net>
 |  Part of the gtkpod project.
@@ -781,3 +781,56 @@ const gchar *itdb_info_get_ipod_generation_string (Itdb_IpodGeneration generatio
     }
     return NULL;
 }
+
+
+/**
+ * itdb_device_supports_artwork:
+ * @device: an #Itdb_Device
+ *
+ * Indicates whether @device can display artwork or not. When dealing
+ * with a non-art capable ipod, no artwork data will be written to the
+ * iPod so you can spare calls to the artwork handling methods.
+ *
+ * Return value: true if @device can display artwork.
+ */
+
+gboolean itdb_device_supports_artwork (Itdb_Device *device)
+{
+    if (device == NULL) {
+        return FALSE;
+    }
+
+    return (itdb_device_get_artwork_formats (device) != NULL);
+}
+
+
+/**
+ * itdb_device_supports_photo:
+ * @device: an #Itdb_Device
+ *
+ * Indicates whether @device can display photos or not.
+ *
+ * Return value: true if @device can display photos.
+ */
+
+gboolean itdb_device_supports_photo (Itdb_Device *device)
+{
+    const Itdb_ArtworkFormat *formats;
+    const Itdb_ArtworkFormat *it;
+
+    if (device == NULL) {
+        return FALSE;
+    }
+
+    formats = itdb_device_get_artwork_formats (device);
+    if (formats == NULL) {
+	return FALSE;
+    }
+
+    it = formats;
+    while ((it->type != -1) && (it->type != ITDB_THUMB_PHOTO_FULL_SCREEN)) {
+	it++;
+    }
+    
+    return (it->type != -1);
+}