void
DocAccessibleParent::MaybeInitWindowEmulation()
{
if (!nsWinUtils::IsWindowEmulationStarted()) {
return;
}
// XXX get the bounds from the tabParent instead of poking at accessibles
// which might not exist yet.
Accessible* outerDoc = OuterDocOfRemoteBrowser();
if (!outerDoc) {
return;
}
RootAccessible* rootDocument = outerDoc->RootAccessible();
MOZ_ASSERT(rootDocument);
bool isActive = true;
nsIntRect rect(CW_USEDEFAULT, CW_USEDEFAULT, 0, 0);
if (Compatibility::IsDolphin()) {
rect = Bounds();
nsIntRect rootRect = rootDocument->Bounds();
rect.x = rootRect.x - rect.x;
rect.y -= rootRect.y;
auto tab = static_cast<dom::TabParent*>(Manager());
tab->GetDocShellIsActive(&isActive);
}
nsWinUtils::NativeWindowCreateProc onCreate([this](HWND aHwnd) -> void {
IAccessibleHolder hWndAccHolder;
::SetPropW(aHwnd, kPropNameDocAccParent, reinterpret_cast<HANDLE>(this));
SetEmulatedWindowHandle(aHwnd);
IAccessible* rawHWNDAcc = nullptr;
if (SUCCEEDED(::AccessibleObjectFromWindow(aHwnd, OBJID_WINDOW,
IID_IAccessible,
(void**)&rawHWNDAcc))) {
hWndAccHolder.Set(IAccessibleHolder::COMPtrType(rawHWNDAcc));
}
Unused << SendEmulatedWindow(reinterpret_cast<uintptr_t>(mEmulatedWindowHandle),
hWndAccHolder);
});
HWND parentWnd = reinterpret_cast<HWND>(rootDocument->GetNativeWindow());
DebugOnly<HWND> hWnd = nsWinUtils::CreateNativeWindow(kClassNameTabContent,
parentWnd,
rect.x, rect.y,
rect.width, rect.height,
isActive, &onCreate);
MOZ_ASSERT(hWnd);
}
