1 files changed, 106 insertions, 0 deletions
diff --git a/sc/source/core/tool/webservicelink.cxx b/sc/source/core/tool/webservicelink.cxx
new file mode 100644
index 000000000000..82310f2b1351
--- /dev/null
+++ b/sc/source/core/tool/webservicelink.cxx
@@ -0,0 +1,106 @@
+/* -*- 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 <comphelper/fileformat.h>
+#include <comphelper/string.hxx>
+#include <osl/thread.h>
+#include <sfx2/linkmgr.hxx>
+#include <sfx2/bindings.hxx>
+
+#include <com/sun/star/ucb/XSimpleFileAccess3.hpp>
+#include <com/sun/star/ucb/SimpleFileAccess.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+
+#include <webservicelink.hxx>
+#include <brdcst.hxx>
+#include <document.hxx>
+#include <scmatrix.hxx>
+#include <patattr.hxx>
+#include <rechead.hxx>
+#include <rangeseq.hxx>
+#include <sc.hrc>
+#include <hints.hxx>
+
+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<css::ucb::XSimpleFileAccess3> xFileAccess(
+        css::ucb::SimpleFileAccess::create(comphelper::getProcessComponentContext()),
+        css::uno::UNO_QUERY);
+    if (!xFileAccess.is())
+        return ERROR_GENERAL;
+
+    css::uno::Reference<css::io::XInputStream> 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<sal_Int8> buffer(BUF_LEN);
+    OStringBuffer aBuffer(64000);
+
+    sal_Int32 nRead = 0;
+    while ((nRead = xStream->readBytes(buffer, BUF_LEN)) == BUF_LEN)
+        aBuffer.append(reinterpret_cast<const char*>(buffer.getConstArray()), nRead);
+
+    if (nRead > 0)
+        aBuffer.append(reinterpret_cast<const char*>(buffer.getConstArray()), nRead);
+
+    xStream->closeInput();
+
+    aResult = OStringToOUString(aBuffer.makeStringAndClear(), RTL_TEXTENCODING_UTF8);
+    bHasResult = true;
+
+    //  Something happened...
+    if (HasListeners())
+    {
+        Broadcast(ScHint(SC_HINT_DATACHANGED, 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: */