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From 37a95e0e6b74fa9fe1692c788983142d8d4774d4 Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Mon, 10 Feb 2014 14:59:24 +0000
Subject: Bug #724023 - Run EMailFormatter in the main/UI thread
Any GtkWidget creation or manipulation should be done exclusively
from the main/UI thread, thus make sure it is done that way.
Of course, evolution can freeze for a little time (depends on the message
size), until its formatting is done. It's unnoticeable with usual messages.
---
diff --git a/em-format/e-mail-part-attachment-bar.c b/em-format/e-mail-part-attachment-bar.c
index 5cebd9b..57f49be 100644
--- a/em-format/e-mail-part-attachment-bar.c
+++ b/em-format/e-mail-part-attachment-bar.c
@@ -60,12 +60,7 @@ e_mail_part_attachment_bar_class_init (EMailPartAttachmentBarClass *class)
static void
e_mail_part_attachment_bar_init (EMailPartAttachmentBar *part)
{
- GtkTreeModel *tree_model;
-
part->priv = E_MAIL_PART_ATTACHMENT_BAR_GET_PRIVATE (part);
-
- tree_model = e_attachment_store_new ();
- part->priv->store = E_ATTACHMENT_STORE (tree_model);
}
EMailPart *
@@ -84,6 +79,18 @@ e_mail_part_attachment_bar_get_store (EMailPartAttachmentBar *part)
{
g_return_val_if_fail (E_IS_MAIL_PART_ATTACHMENT_BAR (part), NULL);
+ if (!part->priv->store) {
+ GtkTreeModel *tree_model;
+
+ /* Create the store only on demand. The EMailParser runs in a dedicated
+ thread, but the EAttachmentStore is a GtkWidget descendant, which should
+ be manipulated only from the main/UI thread, thus postpone its creating
+ until it's really needed, which might be during the EMailFormatter run,
+ which runs from the main/UI thread. */
+ tree_model = e_attachment_store_new ();
+ part->priv->store = E_ATTACHMENT_STORE (tree_model);
+ }
+
return part->priv->store;
}
diff --git a/mail/e-mail-request.c b/mail/e-mail-request.c
index bfbedc3..615bce3 100644
--- a/mail/e-mail-request.c
+++ b/mail/e-mail-request.c
@@ -365,9 +365,12 @@ mail_request_send_async (SoupRequest *request,
simple, handle_contact_photo_request,
G_PRIORITY_DEFAULT, cancellable);
} else {
- g_simple_async_result_run_in_thread (
- simple, handle_mail_request,
- G_PRIORITY_DEFAULT, cancellable);
+ /* Process e-mail mail requests in this thread, which should be
+ the main/UI thread, because any EMailFormatter can create
+ GtkWidget-s, or manipulate with them, which should be always
+ done in the main/UI thread. */
+ handle_mail_request (simple, G_OBJECT (request), cancellable);
+ g_simple_async_result_complete_in_idle (simple);
}
g_object_unref (simple);
--
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