From 31ec3f32bb828a5851f920c51c8e8e6b8f1f682b Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 9 Jul 2010 02:50:48 +0200
Subject: sbservices: add support for fetching the home screen wallpaper

---
 include/libimobiledevice/sbservices.h |  1 +
 src/sbservices.c                      | 49 +++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/include/libimobiledevice/sbservices.h b/include/libimobiledevice/sbservices.h
index fcedf1a..4274278 100644
--- a/include/libimobiledevice/sbservices.h
+++ b/include/libimobiledevice/sbservices.h
@@ -51,6 +51,7 @@ sbservices_error_t sbservices_client_free(sbservices_client_t client);
 sbservices_error_t sbservices_get_icon_state(sbservices_client_t client, plist_t *state);
 sbservices_error_t sbservices_set_icon_state(sbservices_client_t client, plist_t newstate);
 sbservices_error_t sbservices_get_icon_pngdata(sbservices_client_t client, const char *bundleId, char **pngdata, uint64_t *pngsize);
+sbservices_error_t sbservices_get_home_screen_wallpaper_pngdata(sbservices_client_t client, char **pngdata, uint64_t *pngsize);
 
 #ifdef __cplusplus
 }
diff --git a/src/sbservices.c b/src/sbservices.c
index 2678e24..e6342d1 100644
--- a/src/sbservices.c
+++ b/src/sbservices.c
@@ -269,3 +269,52 @@ leave_unlock:
 
 }
 
+/**
+ * Get the home screen wallpaper as PNG data.
+ *
+ * @param client The connected sbservices client to use.
+ * @param pngdata Pointer that will point to a newly allocated buffer
+ *     containing the PNG data upon successful return. It is up to the caller
+ *     to free the memory.
+ * @param pngsize Pointer to a uint64_t that will be set to the size of the
+ *     buffer pngdata points to upon successful return.
+ *
+ * @return SBSERVICES_E_SUCCESS on success, SBSERVICES_E_INVALID_ARG when
+ *     client or pngdata are invalid, or an SBSERVICES_E_* error
+ *     code otherwise.
+ */
+sbservices_error_t sbservices_get_home_screen_wallpaper_pngdata(sbservices_client_t client, char **pngdata, uint64_t *pngsize)
+{
+	if (!client || !client->parent || !pngdata)
+		return SBSERVICES_E_INVALID_ARG;
+
+	sbservices_error_t res = SBSERVICES_E_UNKNOWN_ERROR;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "command", plist_new_string("getHomeScreenWallpaperPNGData"));
+
+	sbs_lock(client);
+
+	res = sbservices_error(property_list_service_send_binary_plist(client->parent, dict));
+	if (res != SBSERVICES_E_SUCCESS) {
+		debug_info("could not send plist, error %d", res);
+		goto leave_unlock;
+	}
+	plist_free(dict);
+
+	dict = NULL;
+	res = sbservices_error(property_list_service_receive_plist(client->parent, &dict));
+	if (res	== SBSERVICES_E_SUCCESS) {
+		plist_t node = plist_dict_get_item(dict, "pngData");
+		if (node) {
+			plist_get_data_val(node, pngdata, pngsize);
+		}
+	}
+
+leave_unlock:
+	if (dict) {
+		plist_free(dict);
+	}
+	sbs_unlock(client);
+	return res;
+}
-- 
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