[evolution/wip-webkit2] Port zoom API in EMailReader

[Tomas Popela <tpopela src gnome org>]

commit 3974d378eacf463ce1cbd28af261881979da0f49
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Oct 18 14:06:44 2013 +0200

    Port zoom API in EMailReader

 mail/e-mail-reader.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)
---
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 761fa58..a0e24ab 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -1754,10 +1754,17 @@ action_mail_zoom_in_cb (GtkAction *action,
                         EMailReader *reader)
 {
        EMailDisplay *display;
+       gdouble zoom_level;
 
        display = e_mail_reader_get_mail_display (reader);
 
-       webkit_web_view_zoom_in (WEBKIT_WEB_VIEW (display));
+       /* There is no webkit_web_view_zoom_in function in WK2, so emulate it */
+       zoom_level = webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (display));
+       /* zoom-step in WK1 was 0.1 */
+       zoom_level += 0.1;
+       webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (display), zoom_level);
+/* FIXME XXX
+       webkit_web_view_zoom_in (WEBKIT_WEB_VIEW (web_view));*/
 }
 
 static void
@@ -1765,10 +1772,18 @@ action_mail_zoom_out_cb (GtkAction *action,
                          EMailReader *reader)
 {
        EMailDisplay *display;
+       gdouble zoom_level;
 
        display = e_mail_reader_get_mail_display (reader);
 
-       webkit_web_view_zoom_out (WEBKIT_WEB_VIEW (display));
+       /* There is no webkit_web_view_zoom_out function in WK2, so emulate it */
+       zoom_level = webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (web_view));
+       /* zoom-step in WK1 was 0.1 */
+       zoom_level -= 0.1;
+       if (zoom_level >= 0)
+               webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (web_view), zoom_level);
+/* FIXME XXX
+       webkit_web_view_zoom_out (WEBKIT_WEB_VIEW (web_view));*/
 }
 
 static void