[evolution] Bug 759536 - Provide a way to hide Switcher buttons

[Milan Crha <mcrha src gnome org>]

commit c617cd9af11fd6c63f2f97e6a62407e97a120ee1
Author: Milan Crha <mcrha redhat com>
Date:   Wed Jan 13 17:02:27 2016 +0100

    Bug 759536 - Provide a way to hide Switcher buttons

 data/org.gnome.evolution.shell.gschema.xml.in |    5 +++++
 shell/e-shell-switcher.c                      |   23 +++++++++++++++++++++++
 2 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.evolution.shell.gschema.xml.in b/data/org.gnome.evolution.shell.gschema.xml.in
index e509cfc..18ece74 100644
--- a/data/org.gnome.evolution.shell.gschema.xml.in
+++ b/data/org.gnome.evolution.shell.gschema.xml.in
@@ -30,6 +30,11 @@
       <_summary>Enable express mode</_summary>
       <_description>Flag that enables a much simplified user interface.</_description>
     </key>
+    <key name="buttons-hide" type="as">
+      <default>[]</default>
+      <_summary>List of button names to hide in the window switcher</_summary>
+      <_description>Valid values are 'mail', 'addressbook', 'calendar', 'tasks' and 'memos'. Change of this 
requires restart of the application.</_description>
+    </key>
     <key name="buttons-visible" type="b">
       <default>true</default>
       <_summary>Window buttons are visible</_summary>
diff --git a/shell/e-shell-switcher.c b/shell/e-shell-switcher.c
index d3c2d2b..a4f0271 100644
--- a/shell/e-shell-switcher.c
+++ b/shell/e-shell-switcher.c
@@ -35,6 +35,8 @@
 
 #include <e-util/e-util.h>
 
+#include "e-shell-window-private.h"
+
 #define E_SHELL_SWITCHER_GET_PRIVATE(obj) \
        (G_TYPE_INSTANCE_GET_PRIVATE \
        ((obj), E_TYPE_SHELL_SWITCHER, EShellSwitcherPrivate))
@@ -683,11 +685,32 @@ e_shell_switcher_add_action (EShellSwitcher *switcher,
 {
        GtkWidget *widget;
        GtkButton *button;
+       GSettings *settings;
+       gchar **strv;
+       gint ii;
+       gboolean skip = FALSE;
 
        g_return_if_fail (E_IS_SHELL_SWITCHER (switcher));
        g_return_if_fail (GTK_IS_ACTION (switch_action));
        g_return_if_fail (GTK_IS_ACTION (new_window_action));
 
+       settings = e_util_ref_settings ("org.gnome.evolution.shell");
+       strv = g_settings_get_strv (settings, "buttons-hide");
+       g_clear_object (&settings);
+
+       for (ii = 0; strv && strv[ii] && !skip; ii++) {
+               gchar *name;
+
+               name = g_strdup_printf (E_SHELL_SWITCHER_FORMAT, strv[ii]);
+               skip = g_strcmp0 (name, gtk_action_get_name (switch_action)) == 0;
+               g_free (name);
+       }
+
+       g_strfreev (strv);
+
+       if (skip)
+               return;
+
        g_object_ref (switch_action);
        widget = gtk_action_create_tool_item (switch_action);
        gtk_tool_item_set_is_important (GTK_TOOL_ITEM (widget), TRUE);