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Fix possible crash in top bar widget init.

This commit is contained in:
John Preston 2020-07-02 10:10:09 +04:00
parent 370ad0aa44
commit a6c76382e3
1 changed files with 9 additions and 6 deletions
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15
Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
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@ -536,6 +536,9 @@ void TopBarWidget::updateSearchVisibility() {
}
void TopBarWidget::updateControlsGeometry() {
if (!_activeChat) {
return;
}
auto hasSelected = (_selectedCount > 0);
auto selectedButtonsTop = countSelectedButtonsTop(_selectedShown.value(hasSelected ? 1. : 0.));
auto otherButtonsTop = selectedButtonsTop + st::topBarHeight;
@ -615,7 +618,9 @@ void TopBarWidget::setAnimatingMode(bool enabled) {
}
void TopBarWidget::updateControlsVisibility() {
if (_animatingMode) {
if (!_activeChat) {
return;
} else if (_animatingMode) {
hideChildren();
return;
}
@ -660,14 +665,12 @@ void TopBarWidget::updateControlsVisibility() {
void TopBarWidget::updateMembersShowArea() {
const auto membersShowAreaNeeded = [&] {
auto peer = _controller->content()->peer();
const auto peer = _activeChat.peer();
if ((_selectedCount > 0) || !peer) {
return false;
}
if (auto chat = peer->asChat()) {
} else if (const auto chat = peer->asChat()) {
return chat->amIn();
}
if (auto megagroup = peer->asMegagroup()) {
} else if (const auto megagroup = peer->asMegagroup()) {
return megagroup->canViewMembers()
&& (megagroup->membersCount()
< megagroup->session().serverConfig().chatSizeMax);