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fix: black window on screen capture when content protection is enabled #31386

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merged 1 commit into from Oct 12, 2021
Merged

fix: black window on screen capture when content protection is enabled #31386

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11 changes: 10 additions & 1 deletion shell/browser/native_window_views.cc
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Expand Up @@ -1125,8 +1125,17 @@ void NativeWindowViews::SetIgnoreMouseEvents(bool ignore, bool forward) {

void NativeWindowViews::SetContentProtection(bool enable) {
#if defined(OS_WIN)
HWND hwnd = GetAcceleratedWidget();
if (!layered_) {
// Workaround to prevent black window on screen capture after hiding and
// showing the BrowserWindow.
LONG ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
ex_style |= WS_EX_LAYERED;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
layered_ = true;
}
DWORD affinity = enable ? WDA_EXCLUDEFROMCAPTURE : WDA_NONE;
::SetWindowDisplayAffinity(GetAcceleratedWidget(), affinity);
::SetWindowDisplayAffinity(hwnd, affinity);
#endif
}

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