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Fix traceback when unnarrowing before home message list has loaded.

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If we load a browser window in a narrowed view and then un-narrow
before the home message list has loaded, we end up attempting to
select message ID -1 from home_msg_list even though it is empty,
triggering a traceback.

(imported from commit eb8b686f6e9c1fa518028e5755ac6196781e92d7)
This commit is contained in:
Tim Abbott
2013-12-02 13:16:37 -05:00
parent da1466cfa9
commit ef906c3cd3
1 changed files with 22 additions and 20 deletions
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2
static/js/narrow.js
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@@ -378,6 +378,7 @@ exports.deactivate = function () {
message_tour.finish_tour(); message_tour.finish_tour();
current_msg_list = home_msg_list; current_msg_list = home_msg_list;
if (current_msg_list.selected_id() !== -1) {
var preserve_pre_narrowing_screen_position = var preserve_pre_narrowing_screen_position =
(current_msg_list.selected_row().length > 0) && (current_msg_list.selected_row().length > 0) &&
(current_msg_list.pre_narrow_offset !== undefined); (current_msg_list.pre_narrow_offset !== undefined);
@@ -402,6 +403,7 @@ exports.deactivate = function () {
// TODO: Make this correctly handle the case of resizing while narrowed. // TODO: Make this correctly handle the case of resizing while narrowed.
viewport.scrollTop(current_msg_list.selected_row().offset().top - current_msg_list.pre_narrow_offset); viewport.scrollTop(current_msg_list.selected_row().offset().top - current_msg_list.pre_narrow_offset);
} }
}
hashchange.save_narrow(); hashchange.save_narrow();
compose_fade.update_message_list(); compose_fade.update_message_list();