[gimp] plug-ins: wait one second before calling webkit_web_view_get_snapshot()

[Michael Natterer <mitch src gnome org>]

commit 2e076f82052efcf87af093aeeb087586628403bd
Author: Michael Natterer <mitch gimp org>
Date:   Wed Jun 27 16:07:24 2018 +0200

    plug-ins: wait one second before calling webkit_web_view_get_snapshot()
    
    See https://bugs.webkit.org/show_bug.cgi?id=164180

 plug-ins/common/web-page.c | 34 +++++++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 7 deletions(-)
---
diff --git a/plug-ins/common/web-page.c b/plug-ins/common/web-page.c
index 0a8842e91e..fe87ce1c07 100644
--- a/plug-ins/common/web-page.c
+++ b/plug-ins/common/web-page.c
@@ -411,7 +411,7 @@ snapshot_ready (GObject      *source_object,
       gimp_image_undo_disable (webpagevals.image);
       layer = gimp_layer_new_from_surface (webpagevals.image, _("Webpage"),
                                            surface,
-                                           0.0, 1.0);
+                                           0.25, 1.0);
       gimp_image_insert_layer (webpagevals.image, layer, -1, 0);
       gimp_image_undo_enable (webpagevals.image);
 
@@ -423,6 +423,30 @@ snapshot_ready (GObject      *source_object,
   gtk_main_quit ();
 }
 
+static gboolean
+load_finished_idle (gpointer data)
+{
+  static gint count = 0;
+
+  gimp_progress_update ((gdouble) count * 0.025);
+
+  count++;
+
+  if (count < 10)
+    return G_SOURCE_CONTINUE;
+
+  webkit_web_view_get_snapshot (WEBKIT_WEB_VIEW (data),
+                                WEBKIT_SNAPSHOT_REGION_FULL_DOCUMENT,
+                                WEBKIT_SNAPSHOT_OPTIONS_NONE,
+                                NULL,
+                                snapshot_ready,
+                                NULL);
+
+  count = 0;
+
+  return G_SOURCE_REMOVE;
+}
+
 static void
 load_changed_cb (WebKitWebView   *view,
                  WebKitLoadEvent  event,
@@ -435,12 +459,8 @@ load_changed_cb (WebKitWebView   *view,
           gimp_progress_init_printf (_("Transferring webpage image for '%s'"),
                                      webpagevals.url);
 
-          webkit_web_view_get_snapshot (view,
-                                        WEBKIT_SNAPSHOT_REGION_FULL_DOCUMENT,
-                                        WEBKIT_SNAPSHOT_OPTIONS_NONE,
-                                        NULL,
-                                        snapshot_ready,
-                                        user_data);
+          g_timeout_add (100, load_finished_idle, view);
+
           return;
         }