sbservices: add support for fetching the home screen wallpaper

2 files changed, 50 insertions, 0 deletions

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;
+}