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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <ucbhelper/interceptedinteraction.hxx>
+
+#include <osl/diagnose.h>
+
+namespace ucbhelper{
+
+InterceptedInteraction::InterceptedInteraction()
+{
+}
+
+void InterceptedInteraction::setInterceptedHandler(const css::uno::Reference< css::task::XInteractionHandler >& xInterceptedHandler)
+{
+ m_xInterceptedHandler = xInterceptedHandler;
+}
+
+void InterceptedInteraction::setInterceptions(::std::vector< InterceptedRequest >&& lInterceptions)
+{
+ m_lInterceptions = std::move(lInterceptions);
+}
+
+InterceptedInteraction::EInterceptionState InterceptedInteraction::intercepted(
+ const InterceptedRequest&,
+ const css::uno::Reference< css::task::XInteractionRequest >&)
+{
+ // default behaviour! see impl_interceptRequest() for further information ...
+ return E_NOT_INTERCEPTED;
+}
+
+css::uno::Reference< css::task::XInteractionContinuation > InterceptedInteraction::extractContinuation(const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > >& lContinuations,
+ const css::uno::Type& aType )
+{
+ const css::uno::Reference< css::task::XInteractionContinuation >* pContinuations = std::find_if(lContinuations.begin(), lContinuations.end(),
+ [&aType](const css::uno::Reference< css::task::XInteractionContinuation >& rContinuation) {
+ css::uno::Reference< css::uno::XInterface > xCheck(rContinuation, css::uno::UNO_QUERY);
+ return xCheck->queryInterface(aType).hasValue();
+ });
+ if (pContinuations != lContinuations.end())
+ return *pContinuations;
+
+ return css::uno::Reference< css::task::XInteractionContinuation >();
+}
+
+void SAL_CALL InterceptedInteraction::handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
+{
+ impl_handleDefault(xRequest);
+}
+
+void InterceptedInteraction::impl_handleDefault(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
+{
+ EInterceptionState eState = impl_interceptRequest(xRequest);
+
+ switch(eState)
+ {
+ case E_NOT_INTERCEPTED:
+ {
+ // Non of the intercepted requests match to the given one.
+ // => forward request to the internal wrapped handler - if there is one.
+ if (m_xInterceptedHandler.is())
+ m_xInterceptedHandler->handle(xRequest);
+ }
+ break;
+
+ case E_NO_CONTINUATION_FOUND:
+ {
+ // Runtime error! The defined continuation could not be located
+ // inside the set of available continuations of the incoming request.
+ // What's wrong - the interception list or the request?
+ OSL_FAIL("InterceptedInteraction::handle()\nCould intercept this interaction request - but can't locate the right continuation!");
+ }
+ break;
+
+ case E_INTERCEPTED:
+ break;
+ }
+}
+
+InterceptedInteraction::EInterceptionState InterceptedInteraction::impl_interceptRequest(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
+{
+ css::uno::Any aRequest = xRequest->getRequest();
+ const css::uno::Type& aRequestType = aRequest.getValueType();
+ css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();
+
+ // check against the list of static requests
+ auto pIt = std::find_if(m_lInterceptions.begin(), m_lInterceptions.end(),
+ [&aRequestType](const InterceptedRequest& rInterception) {
+ // check the request
+ // don't change intercepted and request type here -> it will check the wrong direction!
+ return rInterception.Request.getValueType().isAssignableFrom(aRequestType);
+ });
+
+ if (pIt != m_lInterceptions.end()) // intercepted ...
+ {
+ const InterceptedRequest& rInterception = *pIt;
+
+ // Call they might existing derived class, so they can handle that by its own.
+ // If it's not interested on that (maybe it's not overwritten and the default implementation
+ // returns E_NOT_INTERCEPTED as default) -> search required continuation
+ EInterceptionState eState = intercepted(rInterception, xRequest);
+ if (eState != E_NOT_INTERCEPTED)
+ return eState;
+
+ css::uno::Reference< css::task::XInteractionContinuation > xContinuation = InterceptedInteraction::extractContinuation(lContinuations, rInterception.Continuation);
+ if (xContinuation.is())
+ {
+ xContinuation->select();
+ return E_INTERCEPTED;
+ }
+
+ // Can be reached only, if the request does not support the given continuation!
+ // => RuntimeError!?
+ return E_NO_CONTINUATION_FOUND;
+ }
+
+ return E_NOT_INTERCEPTED;
+}
+
+} // namespace ucbhelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */