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[evolution/wip/gsettings] EMFolderTree: Add an EAlertSink property.

commit 672132f8a0098b029cf999f79b605058ee8796d1
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue May 24 11:02:59 2011 -0400

    EMFolderTree: Add an EAlertSink property.
    
    Now EMFolderTree has access to both an EShellBackend and an EAlertSink;
    everything it needs to build and submit EActivity instances.

 mail/e-mail-sidebar.c               |    8 +++-
 mail/e-mail-sidebar.h               |    3 +-
 mail/em-folder-selector.c           |   10 ++++--
 mail/em-folder-tree.c               |   61 +++++++++++++++++++++++++++++++++--
 mail/em-folder-tree.h               |    5 ++-
 modules/mail/e-mail-shell-sidebar.c |    4 ++-
 shell/e-shell-sidebar.c             |   32 ++++++++++++++++++
 7 files changed, 112 insertions(+), 11 deletions(-)
---
diff --git a/mail/e-mail-sidebar.c b/mail/e-mail-sidebar.c
index 80043f0..45d16a8 100644
--- a/mail/e-mail-sidebar.c
+++ b/mail/e-mail-sidebar.c
@@ -473,12 +473,16 @@ e_mail_sidebar_get_type (void)
 }
 
 GtkWidget *
-e_mail_sidebar_new (EMailBackend *backend)
+e_mail_sidebar_new (EMailBackend *backend,
+                    EAlertSink *alert_sink)
 {
 	g_return_val_if_fail (E_IS_MAIL_BACKEND (backend), NULL);
+	g_return_val_if_fail (E_IS_ALERT_SINK (alert_sink), NULL);
 
 	return g_object_new (
-		E_TYPE_MAIL_SIDEBAR, "backend", backend, NULL);
+		E_TYPE_MAIL_SIDEBAR,
+		"alert-sink", alert_sink,
+		"backend", backend, NULL);
 }
 
 GKeyFile *
diff --git a/mail/e-mail-sidebar.h b/mail/e-mail-sidebar.h
index 8941c99..84d8183 100644
--- a/mail/e-mail-sidebar.h
+++ b/mail/e-mail-sidebar.h
@@ -76,7 +76,8 @@ struct _EMailSidebarClass {
 };
 
 GType		e_mail_sidebar_get_type		(void);
-GtkWidget *	e_mail_sidebar_new		(EMailBackend *backend);
+GtkWidget *	e_mail_sidebar_new		(EMailBackend *backend,
+						 EAlertSink *alert_sink);
 GKeyFile *	e_mail_sidebar_get_key_file	(EMailSidebar *sidebar);
 void		e_mail_sidebar_set_key_file	(EMailSidebar *sidebar,
 						 GKeyFile *key_file);
diff --git a/mail/em-folder-selector.c b/mail/em-folder-selector.c
index 24f619d..2ac1d06 100644
--- a/mail/em-folder-selector.c
+++ b/mail/em-folder-selector.c
@@ -47,10 +47,14 @@ enum {
 	PROP_BACKEND
 };
 
-G_DEFINE_TYPE (
+/* XXX EMFolderSelector is an EAlertSink, but it just uses the default
+ *     message dialog implementation.  We should do something nicer. */
+
+G_DEFINE_TYPE_WITH_CODE (
 	EMFolderSelector,
 	em_folder_selector,
-	GTK_TYPE_DIALOG)
+	GTK_TYPE_DIALOG,
+	G_IMPLEMENT_INTERFACE (E_TYPE_ALERT_SINK, NULL))
 
 static void
 folder_selector_set_backend (EMFolderSelector *emfs,
@@ -286,7 +290,7 @@ folder_selector_construct (EMFolderSelector *emfs,
 
 	container = widget;
 
-	widget = em_folder_tree_new (backend);
+	widget = em_folder_tree_new (backend, E_ALERT_SINK (emfs));
 	emu_restore_folder_tree_state (EM_FOLDER_TREE (widget));
 	gtk_container_add (GTK_CONTAINER (widget), widget);
 	emfs->priv->folder_tree = EM_FOLDER_TREE (widget);
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index 613f10d..8d856c1 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -78,6 +78,7 @@ struct _selected_uri {
 
 struct _EMFolderTreePrivate {
 	EMailBackend *backend;
+	EAlertSink *alert_sink;
 
 	/* selected_uri structures of each path pending selection. */
 	GSList *select_uris;
@@ -119,6 +120,7 @@ struct _EMFolderTreePrivate {
 
 enum {
 	PROP_0,
+	PROP_ALERT_SINK,
 	PROP_BACKEND,
 	PROP_COPY_TARGET_LIST,
 	PROP_ELLIPSIZE,
@@ -719,6 +721,16 @@ exit:
 }
 
 static void
+folder_tree_set_alert_sink (EMFolderTree *folder_tree,
+                            EAlertSink *alert_sink)
+{
+	g_return_if_fail (E_IS_ALERT_SINK (alert_sink));
+	g_return_if_fail (folder_tree->priv->alert_sink == NULL);
+
+	folder_tree->priv->alert_sink = g_object_ref (alert_sink);
+}
+
+static void
 folder_tree_set_backend (EMFolderTree *folder_tree,
                          EMailBackend *backend)
 {
@@ -765,6 +777,12 @@ folder_tree_set_property (GObject *object,
                           GParamSpec *pspec)
 {
 	switch (property_id) {
+		case PROP_ALERT_SINK:
+			folder_tree_set_alert_sink (
+				EM_FOLDER_TREE (object),
+				g_value_get_object (value));
+			return;
+
 		case PROP_BACKEND:
 			folder_tree_set_backend (
 				EM_FOLDER_TREE (object),
@@ -788,6 +806,13 @@ folder_tree_get_property (GObject *object,
                           GParamSpec *pspec)
 {
 	switch (property_id) {
+		case PROP_ALERT_SINK:
+			g_value_set_object (
+				value,
+				em_folder_tree_get_alert_sink (
+				EM_FOLDER_TREE (object)));
+			return;
+
 		case PROP_BACKEND:
 			g_value_set_object (
 				value,
@@ -847,6 +872,11 @@ folder_tree_dispose (GObject *object)
 		priv->autoexpand_id = 0;
 	}
 
+	if (priv->alert_sink != NULL) {
+		g_object_unref (priv->alert_sink);
+		priv->alert_sink = NULL;
+	}
+
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
 		priv->backend = NULL;
@@ -1107,6 +1137,18 @@ folder_tree_class_init (EMFolderTreeClass *class)
 
 	g_object_class_install_property (
 		object_class,
+		PROP_ALERT_SINK,
+		g_param_spec_object (
+			"alert-sink",
+			NULL,
+			NULL,
+			E_TYPE_ALERT_SINK,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+
+	g_object_class_install_property (
+		object_class,
 		PROP_BACKEND,
 		g_param_spec_object (
 			"backend",
@@ -1114,7 +1156,8 @@ folder_tree_class_init (EMFolderTreeClass *class)
 			NULL,
 			E_TYPE_MAIL_BACKEND,
 			G_PARAM_READWRITE |
-			G_PARAM_CONSTRUCT_ONLY));
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
 
 	/* Inherited from ESelectableInterface */
 	g_object_class_override_property (
@@ -1704,12 +1747,14 @@ em_folder_tree_get_type (void)
 }
 
 GtkWidget *
-em_folder_tree_new (EMailBackend *backend)
+em_folder_tree_new (EMailBackend *backend,
+                    EAlertSink *alert_sink)
 {
 	EMailSession *session;
 	const gchar *data_dir;
 
 	g_return_val_if_fail (E_IS_MAIL_BACKEND (backend), NULL);
+	g_return_val_if_fail (E_IS_ALERT_SINK (alert_sink), NULL);
 
 	session = e_mail_backend_get_session (backend);
 	data_dir = e_shell_backend_get_data_dir (E_SHELL_BACKEND (backend));
@@ -1717,7 +1762,9 @@ em_folder_tree_new (EMailBackend *backend)
 	e_mail_store_init (session, data_dir);
 
 	return g_object_new (
-		EM_TYPE_FOLDER_TREE, "backend", backend, NULL);
+		EM_TYPE_FOLDER_TREE,
+		"alert-sink", alert_sink,
+		"backend", backend, NULL);
 }
 
 PangoEllipsizeMode
@@ -1742,6 +1789,14 @@ em_folder_tree_set_ellipsize (EMFolderTree *folder_tree,
 	g_object_notify (G_OBJECT (folder_tree), "ellipsize");
 }
 
+EAlertSink *
+em_folder_tree_get_alert_sink (EMFolderTree *folder_tree)
+{
+	g_return_val_if_fail (EM_IS_FOLDER_TREE (folder_tree), NULL);
+
+	return folder_tree->priv->alert_sink;
+}
+
 EMailBackend *
 em_folder_tree_get_backend (EMFolderTree *folder_tree)
 {
diff --git a/mail/em-folder-tree.h b/mail/em-folder-tree.h
index 9b94fe7..d2cd643 100644
--- a/mail/em-folder-tree.h
+++ b/mail/em-folder-tree.h
@@ -25,6 +25,7 @@
 #define EM_FOLDER_TREE_H
 
 #include <gtk/gtk.h>
+#include <e-util/e-alert-sink.h>
 #include <mail/e-mail-backend.h>
 #include <mail/em-folder-tree-model.h>
 
@@ -89,11 +90,13 @@ struct _EMFolderTreeClass {
 };
 
 GType		em_folder_tree_get_type		(void);
-GtkWidget *	em_folder_tree_new		(EMailBackend *backend);
+GtkWidget *	em_folder_tree_new		(EMailBackend *backend,
+						 EAlertSink *alert_sink);
 PangoEllipsizeMode
 		em_folder_tree_get_ellipsize	(EMFolderTree *folder_tree);
 void		em_folder_tree_set_ellipsize	(EMFolderTree *folder_tree,
 						 PangoEllipsizeMode ellipsize);
+EAlertSink *	em_folder_tree_get_alert_sink	(EMFolderTree *folder_tree);
 EMailBackend *	em_folder_tree_get_backend	(EMFolderTree *folder_tree);
 void		em_folder_tree_enable_drag_and_drop
 						(EMFolderTree *folder_tree);
diff --git a/modules/mail/e-mail-shell-sidebar.c b/modules/mail/e-mail-shell-sidebar.c
index 760ebb0..643bc63 100644
--- a/modules/mail/e-mail-shell-sidebar.c
+++ b/modules/mail/e-mail-shell-sidebar.c
@@ -149,7 +149,9 @@ mail_shell_sidebar_constructed (GObject *object)
 
 	container = widget;
 
-	widget = e_mail_sidebar_new (E_MAIL_BACKEND (shell_backend));
+	widget = e_mail_sidebar_new (
+		E_MAIL_BACKEND (shell_backend),
+		E_ALERT_SINK (shell_sidebar));
 	gtk_container_add (GTK_CONTAINER (container), widget);
 	mail_shell_sidebar->priv->folder_tree = g_object_ref (widget);
 	gtk_widget_show (widget);
diff --git a/shell/e-shell-sidebar.c b/shell/e-shell-sidebar.c
index d99e66a..b72a210 100644
--- a/shell/e-shell-sidebar.c
+++ b/shell/e-shell-sidebar.c
@@ -27,6 +27,7 @@
 
 #include "e-shell-sidebar.h"
 
+#include <e-util/e-alert-sink.h>
 #include <e-util/e-extensible.h>
 #include <e-util/e-unicode.h>
 #include <shell/e-shell-view.h>
@@ -50,11 +51,17 @@ enum {
 	PROP_SHELL_VIEW
 };
 
+/* Forward Declarations */
+static void	e_shell_sidebar_alert_sink_init
+					(EAlertSinkInterface *interface);
+
 G_DEFINE_TYPE_WITH_CODE (
 	EShellSidebar,
 	e_shell_sidebar,
 	GTK_TYPE_BIN,
 	G_IMPLEMENT_INTERFACE (
+		E_TYPE_ALERT_SINK, e_shell_sidebar_alert_sink_init)
+	G_IMPLEMENT_INTERFACE (
 		E_TYPE_EXTENSIBLE, NULL))
 
 static void
@@ -300,6 +307,25 @@ shell_sidebar_forall (GtkContainer *container,
 }
 
 static void
+shell_sidebar_submit_alert (EAlertSink *alert_sink,
+                            EAlert *alert)
+{
+	EShellView *shell_view;
+	EShellContent *shell_content;
+	EShellSidebar *shell_sidebar;
+
+	/* EShellSidebar is a proxy alert sink.  Forward the alert
+	 * to the EShellContent widget for display to the user. */
+
+	shell_sidebar = E_SHELL_SIDEBAR (alert_sink);
+	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
+	shell_content = e_shell_view_get_shell_content (shell_view);
+
+	alert_sink = E_ALERT_SINK (shell_content);
+	e_alert_sink_submit_alert (alert_sink, alert);
+}
+
+static void
 e_shell_sidebar_class_init (EShellSidebarClass *class)
 {
 	GObjectClass *object_class;
@@ -387,6 +413,12 @@ e_shell_sidebar_class_init (EShellSidebarClass *class)
 }
 
 static void
+e_shell_sidebar_alert_sink_init (EAlertSinkInterface *interface)
+{
+	interface->submit_alert = shell_sidebar_submit_alert;
+}
+
+static void
 e_shell_sidebar_init (EShellSidebar *shell_sidebar)
 {
 	GtkStyle *style;
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