[evolution] EWebView: Limit zoom-in/zoom-out to 0.1 .. 5.0 values

[Milan Crha <mcrha src gnome org>]

commit e0acea237c219934f85c40694e5555b4108e5139
Author: Milan Crha <mcrha redhat com>
Date:   Fri Feb 28 16:34:30 2014 +0100

    EWebView: Limit zoom-in/zoom-out to 0.1 .. 5.0 values
    
    It doesn't make much sense to zoom below 0.1, same as zoom 5.0 is
    quite large, thus no need to zoom indefinitely in both directions.

 e-util/e-web-view.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/e-util/e-web-view.c b/e-util/e-web-view.c
index 8e8f852..2578590 100644
--- a/e-util/e-web-view.c
+++ b/e-util/e-web-view.c
@@ -634,8 +634,13 @@ web_view_load_status_changed_cb (WebKitWebView *webkit_web_view,
 
        /* Workaround webkit bug:
         * https://bugs.webkit.org/show_bug.cgi?id=89553 */
-       e_web_view_zoom_in (web_view);
-       e_web_view_zoom_out (web_view);
+       if (webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (web_view)) > 0.9999) {
+               e_web_view_zoom_out (web_view);
+               e_web_view_zoom_in (web_view);
+       } else {
+               e_web_view_zoom_in (web_view);
+               e_web_view_zoom_out (web_view);
+       }
 }
 
 static void
@@ -2416,7 +2421,8 @@ e_web_view_zoom_in (EWebView *web_view)
 {
        g_return_if_fail (E_IS_WEB_VIEW (web_view));
 
-       webkit_web_view_zoom_in (WEBKIT_WEB_VIEW (web_view));
+       if (webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (web_view)) < 4.9999)
+               webkit_web_view_zoom_in (WEBKIT_WEB_VIEW (web_view));
 }
 
 void
@@ -2424,7 +2430,8 @@ e_web_view_zoom_out (EWebView *web_view)
 {
        g_return_if_fail (E_IS_WEB_VIEW (web_view));
 
-       webkit_web_view_zoom_out (WEBKIT_WEB_VIEW (web_view));
+       if (webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (web_view)) > 0.1999)
+               webkit_web_view_zoom_out (WEBKIT_WEB_VIEW (web_view));
 }
 
 GtkUIManager *