public MagnificationSpec getMagnificationSpecForWindowLocked(WindowState windowState) {
MagnificationSpec spec = mMagnifedViewport.getMagnificationSpecLocked();
if (spec != null && !spec.isNop()) {
WindowManagerPolicy policy = mWindowManagerService.mPolicy;
final int windowType = windowState.mAttrs.type;
if (!policy.isTopLevelWindow(windowType)
&& windowState.mAttachedWindow != null
&& !policy.canMagnifyWindow(windowType)) {
return null;
}
if (!policy.canMagnifyWindow(windowState.mAttrs.type)) {
return null;
}
}
return spec;
}
