/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ /* * 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/. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include ScWebServiceLink::ScWebServiceLink(ScDocument* pD, const OUString& rURL) : ::sfx2::SvBaseLink(SfxLinkUpdateMode::ALWAYS, SotClipboardFormatId::STRING) , pDoc(pD) , aURL(rURL) , bHasResult(false) { } ScWebServiceLink::~ScWebServiceLink() {} sfx2::SvBaseLink::UpdateResult ScWebServiceLink::DataChanged(const OUString&, const css::uno::Any&) { aResult.clear(); bHasResult = false; css::uno::Reference xFileAccess = css::ucb::SimpleFileAccess::create(comphelper::getProcessComponentContext()); if (!xFileAccess.is()) return ERROR_GENERAL; css::uno::Reference xStream; try { xStream = xFileAccess->openFileRead(aURL); } catch (...) { // don't let any exceptions pass return ERROR_GENERAL; } if (!xStream.is()) return ERROR_GENERAL; const sal_Int32 BUF_LEN = 8000; css::uno::Sequence buffer(BUF_LEN); OStringBuffer aBuffer(64000); sal_Int32 nRead = 0; while ((nRead = xStream->readBytes(buffer, BUF_LEN)) == BUF_LEN) aBuffer.append(reinterpret_cast(buffer.getConstArray()), nRead); if (nRead > 0) aBuffer.append(reinterpret_cast(buffer.getConstArray()), nRead); xStream->closeInput(); aResult = OStringToOUString(aBuffer.makeStringAndClear(), RTL_TEXTENCODING_UTF8); bHasResult = true; // Something happened... if (HasListeners()) { Broadcast(ScHint(SfxHintId::ScDataChanged, ScAddress())); pDoc->TrackFormulas(); // must happen immediately pDoc->StartTrackTimer(); } return SUCCESS; } void ScWebServiceLink::ListenersGone() { ScDocument* pStackDoc = pDoc; // member pDoc can't be used after removing the link sfx2::LinkManager* pLinkMgr = pDoc->GetLinkManager(); pLinkMgr->Remove(this); // deletes this if (pLinkMgr->GetLinks().empty()) // deleted the last one ? { SfxBindings* pBindings = pStackDoc->GetViewBindings(); // don't use member pDoc! if (pBindings) pBindings->Invalidate(SID_LINKS); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */