[anjal] BUGFIX: GNOME Bugzilla: #590110 - Warn while closing dirty composer.

[Srinivasa Ragavan <sragavan src gnome org>]

commit e21e7f23cf6891ee9f4eb4b359d6805cd8cd4c92
Author: Srinivasa Ragavan <sragavan novell com>
Date:   Wed Jul 29 14:42:34 2009 +0530

    BUGFIX: GNOME Bugzilla: #590110 - Warn while closing dirty composer.

 src/mail-composer-view.c |   30 ++++++++++++++++++++++++++++++
 src/mail-composer-view.h |    1 +
 src/mail-view.c          |    5 +++++
 3 files changed, 36 insertions(+), 0 deletions(-)
---
diff --git a/src/mail-composer-view.c b/src/mail-composer-view.c
index 68fdfe0..e3049a4 100644
--- a/src/mail-composer-view.c
+++ b/src/mail-composer-view.c
@@ -26,10 +26,13 @@
 
 #include <glib/gi18n.h>
 
+#include <e-util/e-error.h>
+
 #include "mail-view.h"
 #include "mail-composer-view.h"
 #include <composer/e-composer-header-table.h>
 #include <composer/e-msg-composer.h>
+#include <composer/e-composer-actions.h>
 
 struct  _MailComposerViewPrivate {
 	GtkWidget *box;
@@ -224,6 +227,33 @@ mail_composer_view_activate (MailComposerView *mfv, GtkWidget *folder_tree, GtkW
 	 gtk_widget_set_sensitive (sort_by, act);
 }
 
+gboolean
+mail_composer_view_can_quit (MailComposerView *mcv)
+{
+	GtkhtmlEditor *editor;	
+	struct _EMsgComposer *composer = (struct _EMsgComposer *)mcv->priv->composer;
+	gint response;
+
+	editor = GTKHTML_EDITOR(composer);
+
+	if (gtkhtml_editor_get_changed(editor) && !e_msg_composer_is_exiting (composer)) {
+		const char *subject;
+		EComposerHeaderTable *table = e_msg_composer_get_header_table (composer);
+
+		subject = e_composer_header_table_get_subject (table);
+		if (subject == NULL || *subject == '\0')
+			subject = _("Untitled Message");
+		response = e_error_run (GTK_WINDOW (composer), "mail-composer:exit-unsaved", subject, NULL);
+		if (response ==  GTK_RESPONSE_YES) 
+			gtk_action_activate (gtkhtml_editor_get_action (editor, "save-draft"));
+		else if (response == GTK_RESPONSE_CANCEL)
+			return FALSE;
+			
+	}
+
+	return TRUE;
+}
+
 #ifndef HACK_TO_COMPILE
 
 void
diff --git a/src/mail-composer-view.h b/src/mail-composer-view.h
index b5c9e3e..1be599a 100644
--- a/src/mail-composer-view.h
+++ b/src/mail-composer-view.h
@@ -60,5 +60,6 @@ MailComposerView * mail_composer_view_new (void);
 void mail_composer_view_activate (MailComposerView *mfv, GtkWidget *folder_tree, GtkWidget *check_mail, GtkWidget *sort_by, gboolean act);
 void mail_composer_view_replace_composer (MailComposerView *mcv, GtkWidget *composer);
 MailComposerView * mail_composer_view_new_with_composer (GtkWidget *composer);
+gboolean mail_composer_view_can_quit (MailComposerView *mcv);
 
 #endif
diff --git a/src/mail-view.c b/src/mail-view.c
index b5f84f5..a008780 100644
--- a/src/mail-view.c
+++ b/src/mail-view.c
@@ -273,6 +273,11 @@ mv_close_mcv (MailViewChild *mfv, MailView *mv)
 		if (!found)
 			return;
 	}
+
+	if (mfv->type == MAIL_VIEW_COMPOSER) {
+		if (!mail_composer_view_can_quit((MailComposerView *)mfv))
+			return;
+	}
 	g_signal_handlers_block_by_func(mv, mv_switch, mv);
 	gtk_notebook_remove_page ((GtkNotebook *)mv, n);
 	g_signal_handlers_unblock_by_func(mv, mv_switch, mv);