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fix: potential crash on macOS app exit (#29941)

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Shelley Vohr 2021-06-30 20:12:17 +02:00 committed by GitHub
parent a8b3c22518
commit 372ecf32e6
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
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7
shell/browser/native_window_mac.mm
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@ -415,7 +415,7 @@ NativeWindowMac::NativeWindowMac(const gin_helper::Dictionary& options,
// Use an NSEvent monitor to listen for the wheel event.
BOOL __block began = NO;
wheel_event_monitor_ = [NSEvent
addLocalMonitorForEventsMatchingMask:NSScrollWheelMask
addLocalMonitorForEventsMatchingMask:NSEventMaskScrollWheel
handler:^(NSEvent* event) {
if ([[event window] windowNumber] !=
[window_ windowNumber])
@ -1699,7 +1699,10 @@ void NativeWindowMac::Cleanup() {
DCHECK(!IsClosed());
ui::NativeTheme::GetInstanceForNativeUi()->RemoveObserver(this);
display::Screen::GetScreen()->RemoveObserver(this);
[NSEvent removeMonitor:wheel_event_monitor_];
if (wheel_event_monitor_) {
[NSEvent removeMonitor:wheel_event_monitor_];
wheel_event_monitor_ = nil;
}
}
void NativeWindowMac::OverrideNSWindowContentView() {