tpaw-utils: copy URL handling functions from Empathy to tp-aw

This commit also changes the licence of the moved code from GPL to LGPL.
See GOSSIP-RELICENSING.txt for details.

https://bugzilla.gnome.org/show_bug.cgi?id=699492

3 files changed, 48 insertions, 1 deletions

diff --git a/tp-account-widgets/tpaw-string-parser.c b/tp-account-widgets/tpaw-string-parser.c
index 172a76303..de7778203 100644
--- a/tp-account-widgets/tpaw-string-parser.c
+++ b/tp-account-widgets/tpaw-string-parser.c
@@ -21,6 +21,8 @@
 #include "config.h"
 #include "tpaw-string-parser.h"
 
+#include <tp-account-widgets/tpaw-utils.h>
+
 #include "empathy-ui-utils.h"
 
 #define SCHEMES           "([a-zA-Z\\+]+)"
@@ -134,7 +136,7 @@ tpaw_string_replace_link (const gchar *text,
 	gchar *title;
 	gchar *markup;
 
-	real_url = empathy_make_absolute_url_len (text, len);
+	real_url = tpaw_make_absolute_url_len (text, len);
 
 	/* Need to copy manually, because g_markup_printf_escaped does not work
 	 * with string precision pitfalls. */
diff --git a/tp-account-widgets/tpaw-utils.c b/tp-account-widgets/tpaw-utils.c
index a31fc2681..6ee9cbed1 100644
--- a/tp-account-widgets/tpaw-utils.c
+++ b/tp-account-widgets/tpaw-utils.c
@@ -272,3 +272,43 @@ tpaw_get_toplevel_window (GtkWidget *widget)
 
   return NULL;
 }
+
+/** tpaw_make_absolute_url_len:
+ * @url: an url
+ * @len: a length
+ *
+ * Same as #tpaw_make_absolute_url but for a limited string length
+ */
+gchar *
+tpaw_make_absolute_url_len (const gchar *url,
+    guint len)
+{
+  g_return_val_if_fail (url != NULL, NULL);
+
+  if (g_str_has_prefix (url, "help:") ||
+      g_str_has_prefix (url, "mailto:") ||
+      strstr (url, ":/"))
+    return g_strndup (url, len);
+
+  if (strstr (url, "@"))
+    return g_strdup_printf ("mailto:%.*s", len, url);
+
+  return g_strdup_printf ("http://%.*s", len, url);
+}
+
+/** tpaw_make_absolute_url:
+ * @url: an url
+ *
+ * The URL opening code can't handle schemeless strings, so we try to be
+ * smart and add http if there is no scheme or doesn't look like a mail
+ * address. This should work in most cases, and let us click on strings
+ * like "www.gnome.org".
+ *
+ * Returns: a newly allocated url with proper mailto: or http:// prefix, use
+ * g_free when your are done with it
+ */
+gchar *
+tpaw_make_absolute_url (const gchar *url)
+{
+  return tpaw_make_absolute_url_len (url, strlen (url));
+}
diff --git a/tp-account-widgets/tpaw-utils.h b/tp-account-widgets/tpaw-utils.h
index 8a40dc93b..f8fad91ef 100644
--- a/tp-account-widgets/tpaw-utils.h
+++ b/tp-account-widgets/tpaw-utils.h
@@ -58,6 +58,11 @@ void tpaw_window_present_with_time (GtkWindow *window,
     guint32 timestamp);
 GtkWindow * tpaw_get_toplevel_window (GtkWidget *widget);
 
+/* URL */
+gchar * tpaw_make_absolute_url (const gchar *url);
+gchar * tpaw_make_absolute_url_len (const gchar *url,
+    guint len);
+
 /* Copied from wocky/wocky-utils.h */
 
 #define tpaw_implement_finish_void(source, tag) \