Package org.eclipse.swt.internal.ole.win32

Examples of org.eclipse.swt.internal.ole.win32.IStream

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        // MAGIC: this is the default property, let's just do toString()
        return new Variant(toString());
      } else if (dispId == 1) {
        if ((flags & COM.DISPATCH_METHOD) != 0) {
          try {
            IDispatch frameWnd =
                params[0].getType() == COM.VT_DISPATCH ? params[0].getDispatch() : null;
            boolean success = gwtOnLoad(frameWnd);
            // boolean return type
            return new Variant(success);
          } catch (SWTException e) {
            throw new HResultException(COM.E_INVALIDARG);
          }
        } else if ((flags & COM.DISPATCH_PROPERTYGET) != 0) {
          // property get on the method itself
          try {
            IDispatchImpl funcObj = new IDispatchImpl() {
              // do nothing, just return some IDispatch
              @Override
              protected Variant invoke(int dispId, int flags, Variant[] params)
                  throws HResultException, InstantiationException, InvocationTargetException {
                return new Variant();
              }

              @Override
              protected void getIDsOfNames(String[] names, int[] ids) throws HResultException {
              }
            };
            IDispatch disp = new IDispatch(funcObj.getAddress());
            disp.AddRef();
            return new Variant(disp);
          } catch (Exception e) {
            // just return VT_EMPTY
            return new Variant();
          }
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      int dispIdMember,
      int wFlags,
      Variant[] rgvarg,
      int[] rgdispidNamedArgs,
      Variant pVarResult) throws Exception {
    IDispatch objIDispatch = (IDispatch) ReflectionUtils.getFieldObject(automation, "objIDispatch");
    // get the IDispatch interface for the control
    if (objIDispatch == null)
      return COM.E_FAIL;
    // create a DISPPARAMS structure for the input parameters
    DISPPARAMS pDispParams = new DISPPARAMS();
    // store arguments in rgvarg
    if (rgvarg != null && rgvarg.length > 0) {
      pDispParams.cArgs = rgvarg.length;
      pDispParams.rgvarg =
          OS.GlobalAlloc(COM.GMEM_FIXED | COM.GMEM_ZEROINIT, VARIANT.sizeof * rgvarg.length);
      int offset = 0;
      for (int i = rgvarg.length - 1; i >= 0; i--) {
        ReflectionUtils.invokeMethod(rgvarg[i], "getData(int)", pDispParams.rgvarg + offset);
        offset += VARIANT.sizeof;
      }
    }
    // if arguments have ids, store the ids in rgdispidNamedArgs
    if (rgdispidNamedArgs != null && rgdispidNamedArgs.length > 0) {
      pDispParams.cNamedArgs = rgdispidNamedArgs.length;
      pDispParams.rgdispidNamedArgs =
          OS.GlobalAlloc(COM.GMEM_FIXED | COM.GMEM_ZEROINIT, 4 * rgdispidNamedArgs.length);
      int offset = 0;
      for (int i = rgdispidNamedArgs.length; i > 0; i--) {
        COM.MoveMemory(
            pDispParams.rgdispidNamedArgs + offset,
            new int[]{rgdispidNamedArgs[i - 1]},
            4);
        offset += 4;
      }
    }
    // invoke the method
    EXCEPINFO excepInfo = new EXCEPINFO();
    int[] pArgErr = new int[1];
    int /*long*/pVarResultAddress = 0;
    if (pVarResult != null)
      pVarResultAddress = OS.GlobalAlloc(OS.GMEM_FIXED | OS.GMEM_ZEROINIT, VARIANT.sizeof);
    int result =
        objIDispatch.Invoke(
            dispIdMember,
            new GUID(),
            COM.LOCALE_USER_DEFAULT,
            wFlags,
            pDispParams,
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    if (variant == null) {
      return new Variant();
    }
    switch (variant.getType()) {
      case COM.VT_DISPATCH : {
        IDispatch dispatch = variant.getDispatch();
        dispatch.AddRef();
        return new Variant(dispatch);
      }
      case COM.VT_UNKNOWN : {
        IUnknown unknown = variant.getUnknown();
        unknown.AddRef();
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    // see if the variant is a wrapper object
    if (variant.getType() != COM.VT_DISPATCH) {
      return false;
    }
    // see if it has a valueOf method
    IDispatch dispatch = variant.getDispatch();
    int[] ids = oleAutomationGetIdsOfNames(dispatch);
    if (ids == null) {
      return false;
    }
    Variant result = null;
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      if (dispObj == null || dispObj.refCount < 1) {
        dispObj = new IDispatchProxy(cl, dispIdOracle, val);
        WrappersCache.putWrapperForObject(cl, val, dispObj);
      }
    }
    IDispatch disp = new IDispatch(dispObj.getAddress());
    disp.AddRef();
    setVariant(new Variant(disp));
  }
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            // This is a method call.
            return callMethod(classLoader, getTarget(), params, method);
          } else if (flags == COM.DISPATCH_PROPERTYGET) {
            // The function is being accessed as a property.
            IDispatchImpl funcObj = new MethodDispatch(classLoader, method);
            IDispatch disp = new IDispatch(funcObj.getAddress());
            disp.AddRef();
            return new Variant(disp);
          }
        } else if (javaDispatch.isField(dispId)) {
          Field field = javaDispatch.getField(dispId);
          if (flags == COM.DISPATCH_PROPERTYGET) {
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        // MAGIC: this is the default property, let's just do toString()
        return new Variant(toString());
      } else if (dispId == 1) {
        if ((flags & COM.DISPATCH_METHOD) != 0) {
          try {
            IDispatch frameWnd = (params[0].getType() == COM.VT_DISPATCH)
                ? params[0].getDispatch() : null;
            String moduleName = (params[1].getType() == COM.VT_BSTR)
                ? params[1].getString() : null;
            boolean success = gwtOnLoad(frameWnd, moduleName);

            // boolean return type
            return new Variant(success);
          } catch (SWTException e) {
            throw new HResultException(COM.E_INVALIDARG);
          }
        } else if ((flags & COM.DISPATCH_PROPERTYGET) != 0) {
          // property get on the method itself
          try {
            Method gwtOnLoadMethod = getClass().getMethod("gwtOnLoad",
                new Class[] {IDispatch.class, String.class});
            IDispatchImpl funcObj = new MethodDispatch(null, gwtOnLoadMethod);
            IDispatch disp = new IDispatch(funcObj.getAddress());
            disp.AddRef();
            return new Variant(disp);
          } catch (Exception e) {
            // just return VT_EMPTY
            return new Variant();
          }
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    if (variant == null) {
      return new Variant();
    }
    switch (variant.getType()) {
      case COM.VT_DISPATCH: {
        IDispatch dispatch = variant.getDispatch();
        dispatch.AddRef();
        return new Variant(dispatch);
      }
      case COM.VT_UNKNOWN: {
        IUnknown unknown = variant.getUnknown();
        unknown.AddRef();
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    } else if (val instanceof IDispatchImpl) {
      dispObj = (IDispatchImpl)val;
    } else {
      dispObj = new IDispatchProxy(cl, val);
    }
    IDispatch disp = new IDispatch(dispObj.getAddress());
    disp.AddRef();
    setVariant(new Variant(disp));
  }
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     * varArg.getAutomation().invoke() implementation, but it turns out the
     * querying for typeInfo that occurs in the OleAutomation(IDispatch)
     * constructor will cause a VM crash on some kinds of JavaScript objects,
     * such as the window.alert function. So we do it by hand.
     */
    IDispatch dispatch = variant.getDispatch();
    Variant result = new Variant();
    int pVarResultAddress = 0;
    int globalRef = 0;
    try {
      pVarResultAddress = OS.GlobalAlloc(OS.GMEM_FIXED | OS.GMEM_ZEROINIT,
          Variant.sizeof);
      int[] pArgErr = new int[1];
      int hr = dispatch.Invoke(IDispatchProxy.DISPID_MAGIC_GETGLOBALREF,
          new GUID(), COM.LOCALE_USER_DEFAULT, COM.DISPATCH_METHOD,
          new DISPPARAMS(), pVarResultAddress, new EXCEPINFO(), pArgErr);

      if (hr >= COM.S_OK) {
        result = Variant.win32_new(pVarResultAddress);
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  • com.google.gwt.dev.shell.ie.BrowserWidgetIE6$External
  • com.google.gwt.dev.shell.ie.COMObjectProxy
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