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Crash Fix: Destroy WebView before the container.

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This commit is contained in:
John Preston 2021-06-29 11:07:16 +03:00
parent c1a7332a5e
commit 8608d8aa4d
2 changed files with 23 additions and 8 deletions
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27
Telegram/SourceFiles/payments/ui/payments_panel.cpp
View file

@ -43,6 +43,21 @@ struct Panel::Progress {
rpl::lifetime geometryLifetime;
};
struct Panel::WebviewWithLifetime {
WebviewWithLifetime(
QWidget *parent = nullptr,
Webview::WindowConfig config = Webview::WindowConfig());
Webview::Window window;
rpl::lifetime lifetime;
};
Panel::WebviewWithLifetime::WebviewWithLifetime(
QWidget *parent,
Webview::WindowConfig config)
: window(parent, std::move(config)) {
}
Panel::Progress::Progress(QWidget *parent, Fn<QRect()> rect)
: widget(parent)
, animation(
@ -68,7 +83,7 @@ Panel::Panel(not_null<PanelDelegate*> delegate)
}
Panel::~Panel() {
// Destroy _widget before _webview.
_webview = nullptr;
_progress = nullptr;
_widget = nullptr;
}
@ -451,7 +466,7 @@ bool Panel::showWebview(
}
showWebviewProgress();
_widget->destroyLayer();
_webview->navigate(url);
_webview->window.navigate(url);
_widget->setBackAllowed(allowBack);
if (bottomText) {
const auto &padding = st::paymentsPanelPadding;
@ -490,14 +505,14 @@ bool Panel::createWebview() {
}, bottom->lifetime());
container->show();
_webview = std::make_unique<Webview::Window>(
_webview = std::make_unique<WebviewWithLifetime>(
container.get(),
Webview::WindowConfig{
.userDataPath = _delegate->panelWebviewDataPath(),
});
const auto raw = _webview.get();
const auto raw = &_webview->window;
QObject::connect(container.get(), &QObject::destroyed, [=] {
if (_webview.get() == raw) {
if (_webview && &_webview->window == raw) {
_webview = nullptr;
if (_webviewProgress) {
hideWebviewProgress();
@ -517,7 +532,7 @@ bool Panel::createWebview() {
container->geometryValue(
) | rpl::start_with_next([=](QRect geometry) {
raw->widget()->setGeometry(geometry);
}, container->lifetime());
}, _webview->lifetime);
raw->setMessageHandler([=](const QJsonDocument &message) {
const auto save = _saveWebviewInformation

4
Telegram/SourceFiles/payments/ui/payments_panel.h
View file

@ -17,7 +17,6 @@ class Checkbox;
} // namespace Ui
namespace Webview {
class Window;
struct Available;
} // namespace Webview
@ -88,6 +87,7 @@ public:
private:
struct Progress;
struct WebviewWithLifetime;
bool createWebview();
void showWebviewProgress();
@ -103,7 +103,7 @@ private:
const not_null<PanelDelegate*> _delegate;
std::unique_ptr<SeparatePanel> _widget;
std::unique_ptr<Webview::Window> _webview;
std::unique_ptr<WebviewWithLifetime> _webview;
std::unique_ptr<RpWidget> _webviewBottom;
std::unique_ptr<Progress> _progress;
QPointer<Checkbox> _saveWebviewInformation;