Examples with ComEventCallback com.sun.jna.platform.win32.COM.util.annotation.ComEventCallback used on opensource projects

Example 1 with ComEventCallback

use of com.sun.jna.platform.win32.COM.util.annotation.ComEventCallback in project jna by java-native-access.

the class ProxyObject method advise.

public IComEventCallbackCookie advise(Class<?> comEventCallbackInterface, final IComEventCallbackListener comEventCallbackListener) {
    assert COMUtils.comIsInitialized() : "COM not initialized";
    try {
        ComInterface comInterfaceAnnotation = comEventCallbackInterface.getAnnotation(ComInterface.class);
        if (null == comInterfaceAnnotation) {
            throw new COMException("advise: Interface must define a value for either iid via the ComInterface annotation");
        }
        final IID iid = this.getIID(comInterfaceAnnotation);
        final ConnectionPoint rawCp = this.fetchRawConnectionPoint(iid);
        // create the dispatch listener
        final IDispatchCallback rawListener = factory.createDispatchCallback(comEventCallbackInterface, comEventCallbackListener);
        // store it the comEventCallback argument, so it is not garbage
        // collected.
        comEventCallbackListener.setDispatchCallbackListener(rawListener);
        // set the dispatch listener to listen to events from the connection
        // point
        final DWORDByReference pdwCookie = new DWORDByReference();
        HRESULT hr = rawCp.Advise(rawListener, pdwCookie);
        // release before check in case check
        int n = rawCp.Release();
        // throws exception
        COMUtils.checkRC(hr);
        // return the cookie so that a call to stop listening can be made
        return new ComEventCallbackCookie(pdwCookie.getValue());
    } catch (Exception e) {
        throw new COMException("Error occured in advise when trying to connect the listener " + comEventCallbackListener, e);
    }
}

Example 2 with ComEventCallback

use of com.sun.jna.platform.win32.COM.util.annotation.ComEventCallback in project jna by java-native-access.

the class ProxyObject method fetchRawConnectionPoint.

// ---------------------- IConnectionPoint ----------------------
private ConnectionPoint fetchRawConnectionPoint(IID iid) throws InterruptedException, ExecutionException, TimeoutException {
    assert COMUtils.comIsInitialized() : "COM not initialized";
    // query for ConnectionPointContainer
    IConnectionPointContainer cpc = this.queryInterface(IConnectionPointContainer.class);
    Dispatch rawCpcDispatch = (Dispatch) cpc.getRawDispatch();
    final ConnectionPointContainer rawCpc = new ConnectionPointContainer(rawCpcDispatch.getPointer());
    // find connection point for comEventCallback interface
    final REFIID adviseRiid = new REFIID(iid.getPointer());
    final PointerByReference ppCp = new PointerByReference();
    HRESULT hr = rawCpc.FindConnectionPoint(adviseRiid, ppCp);
    COMUtils.checkRC(hr);
    final ConnectionPoint rawCp = new ConnectionPoint(ppCp.getValue());
    return rawCp;
}

Example 3 with ComEventCallback

use of com.sun.jna.platform.win32.COM.util.annotation.ComEventCallback in project jna by java-native-access.

the class CallbackProxy method createDispIdMap.

Map<DISPID, Method> createDispIdMap(Class<?> comEventCallbackInterface) {
    Map<DISPID, Method> map = new HashMap<DISPID, Method>();
    for (Method meth : comEventCallbackInterface.getMethods()) {
        ComEventCallback annotation = meth.getAnnotation(ComEventCallback.class);
        if (null != annotation) {
            int dispId = annotation.dispid();
            if (-1 == dispId) {
                dispId = this.fetchDispIdFromName(annotation);
            }
            if (dispId == -1) {
                CallbackProxy.this.comEventCallbackListener.errorReceivingCallbackEvent("DISPID for " + meth.getName() + " not found", null);
            }
            map.put(new DISPID(dispId), meth);
        }
    }
    return map;
}