From b276c75c7c0f537cf4f5d122b1bff41420ca3232 Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Thu, 1 Apr 2010 16:18:40 +0200
Subject: Bug #613352 - Changed time range not propagated to calendar

---
 shell/e-shell-view.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 shell/e-shell-view.h |  4 ++++
 2 files changed, 62 insertions(+), 1 deletion(-)

(limited to 'shell')

diff --git a/shell/e-shell-view.c b/shell/e-shell-view.c
index 537024a548..3a5c6e219d 100644
--- a/shell/e-shell-view.c
+++ b/shell/e-shell-view.c
@@ -60,6 +60,9 @@ struct _EShellViewPrivate {
 
 	EFilterRule *search_rule;
 	guint execute_search_blocked;
+
+	guint update_actions_blocked;
+	gboolean update_actions_called;
 };
 
 enum {
@@ -629,6 +632,9 @@ shell_view_update_actions (EShellView *shell_view)
 	EShellWindow *shell_window;
 	EFocusTracker *focus_tracker;
 
+	g_return_if_fail (!shell_view->priv->update_actions_blocked);
+	g_return_if_fail (e_shell_view_is_active (shell_view));
+
 	shell_window = e_shell_view_get_shell_window (shell_view);
 	focus_tracker = e_shell_window_get_focus_tracker (shell_window);
 
@@ -1514,13 +1520,64 @@ e_shell_view_unblock_execute_search (EShellView *shell_view)
  * #EShellView::update-actions signal is typically emitted just before
  * showing a popup menu or just after the user selects an item in the
  * shell view.
+ *
+ * Emission can be blocked by e_shell_view_block_update_actions().
  **/
 void
 e_shell_view_update_actions (EShellView *shell_view)
 {
 	g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
 
-	g_signal_emit (shell_view, signals[UPDATE_ACTIONS], 0);
+	if (!e_shell_view_is_active (shell_view))
+		return;
+
+	if (shell_view->priv->update_actions_blocked > 0) {
+		shell_view->priv->update_actions_called = TRUE;
+	} else {
+		shell_view->priv->update_actions_called = FALSE;
+		g_signal_emit (shell_view, signals[UPDATE_ACTIONS], 0);
+	}
+}
+
+/**
+ * e_shell_view_block_update_actions:
+ * @shell_view: an #EShellView
+ *
+ * Block emission of #EShellView::update-actions signal through
+ * e_shell_view_update_actions(). The emission si blocked until
+ * e_shell_view_unblock_update_actions() is called same times as
+ * this function.
+ **/
+void
+e_shell_view_block_update_actions (EShellView *shell_view)
+{
+	g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
+	g_return_if_fail (shell_view->priv->update_actions_blocked + 1 != 0);
+
+	shell_view->priv->update_actions_blocked++;
+	if (shell_view->priv->update_actions_blocked == 1)
+		shell_view->priv->update_actions_called = FALSE;
+}
+
+/**
+ * e_shell_view_unblock_update_actions:
+ * @shell_view: an #EShellView
+ *
+ * Unblock emission of #EShellView::update-actions signal through
+ * e_shell_view_update_actions(), previously blocked by function
+ * e_shell_view_block_update_actions().
+ **/
+void
+e_shell_view_unblock_update_actions (EShellView *shell_view)
+{
+	g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
+	g_return_if_fail (shell_view->priv->update_actions_blocked > 0);
+
+	shell_view->priv->update_actions_blocked--;
+	if (!shell_view->priv->update_actions_blocked && shell_view->priv->update_actions_called) {
+		shell_view->priv->update_actions_called = FALSE;
+		e_shell_view_update_actions (shell_view);
+	}
 }
 
 /**
diff --git a/shell/e-shell-view.h b/shell/e-shell-view.h
index d014d694ce..1e189217e1 100644
--- a/shell/e-shell-view.h
+++ b/shell/e-shell-view.h
@@ -215,6 +215,10 @@ void		e_shell_view_block_execute_search
 void		e_shell_view_unblock_execute_search
 						(EShellView *shell_view);
 void		e_shell_view_update_actions	(EShellView *shell_view);
+void		e_shell_view_block_update_actions
+						(EShellView *shell_view);
+void		e_shell_view_unblock_update_actions
+						(EShellView *shell_view);
 GtkWidget *	e_shell_view_show_popup_menu	(EShellView *shell_view,
 						 const gchar *widget_path,
 						 GdkEventButton *event);
-- 
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