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/* -*- 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/processfactory.hxx>
#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 <sc.hrc>
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());
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, 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: */
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