public boolean isActiveProvider(ComponentProvider provider) {
		boolean isActiveWindowManager = (this == getActiveInstance());
		boolean isFocusedProvider =
			(focusedPlaceholder != null) && (focusedPlaceholder.getProvider() == provider);
		return isActiveWindowManager && isFocusedProvider;
	}
Returns the component which has focus

@return the placeholder
Ghidra/Framework/Docking/src/main/java/docking/DockingWindowManager.java