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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 <config_features.h>
#include <svx/svdomedia.hxx>
#include <rtl/ustring.hxx>
#include <osl/file.hxx>
#include <com/sun/star/document/XStorageBasedDocument.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <ucbhelper/content.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/storagehelper.hxx>
#include <vcl/svapp.hxx>
#include <svx/svdmodel.hxx>
#include <svdglob.hxx>
#include <svx/strings.hrc>
#include <svx/sdr/contact/viewcontactofsdrmediaobj.hxx>
#include <avmedia/mediawindow.hxx>
using namespace ::com::sun::star;
// Note: the temp file is read only, until it is deleted!
// It may be shared between multiple documents in case of copy/paste,
// hence the shared_ptr.
struct MediaTempFile
{
OUString const m_TempFileURL;
MediaTempFile(OUString const& rURL)
: m_TempFileURL(rURL)
{}
~MediaTempFile()
{
::osl::File::remove(m_TempFileURL);
}
};
struct SdrMediaObj::Impl
{
::avmedia::MediaItem m_MediaProperties;
std::shared_ptr< MediaTempFile > m_pTempFile;
uno::Reference< graphic::XGraphic > m_xCachedSnapshot;
OUString m_LastFailedPkgURL;
};
SdrMediaObj::SdrMediaObj()
: SdrRectObj()
, m_xImpl( new Impl )
{
}
SdrMediaObj::SdrMediaObj( const tools::Rectangle& rRect )
: SdrRectObj( rRect )
, m_xImpl( new Impl )
{
}
SdrMediaObj::~SdrMediaObj()
{
}
bool SdrMediaObj::HasTextEdit() const
{
return false;
}
sdr::contact::ViewContact* SdrMediaObj::CreateObjectSpecificViewContact()
{
return new sdr::contact::ViewContactOfSdrMediaObj( *this );
}
void SdrMediaObj::TakeObjInfo( SdrObjTransformInfoRec& rInfo ) const
{
rInfo.bMoveAllowed = true;
rInfo.bResizeFreeAllowed = true;
rInfo.bResizePropAllowed = true;
rInfo.bRotateFreeAllowed = false;
rInfo.bRotate90Allowed = false;
rInfo.bMirrorFreeAllowed = false;
rInfo.bMirror45Allowed = false;
rInfo.bMirror90Allowed = false;
rInfo.bTransparenceAllowed = false;
rInfo.bShearAllowed = false;
rInfo.bEdgeRadiusAllowed = false;
rInfo.bNoOrthoDesired = false;
rInfo.bNoContortion = false;
rInfo.bCanConvToPath = false;
rInfo.bCanConvToPoly = false;
rInfo.bCanConvToContour = false;
rInfo.bCanConvToPathLineToArea = false;
rInfo.bCanConvToPolyLineToArea = false;
}
sal_uInt16 SdrMediaObj::GetObjIdentifier() const
{
return sal_uInt16( OBJ_MEDIA );
}
OUString SdrMediaObj::TakeObjNameSingul() const
{
OUStringBuffer sName(ImpGetResStr(STR_ObjNameSingulMEDIA));
OUString aName(GetName());
if (!aName.isEmpty())
{
sName.append(' ');
sName.append('\'');
sName.append(aName);
sName.append('\'');
}
return sName.makeStringAndClear();
}
OUString SdrMediaObj::TakeObjNamePlural() const
{
return ImpGetResStr(STR_ObjNamePluralMEDIA);
}
SdrMediaObj* SdrMediaObj::Clone() const
{
return CloneHelper< SdrMediaObj >();
}
SdrMediaObj& SdrMediaObj::operator=(const SdrMediaObj& rObj)
{
if( this == &rObj )
return *this;
SdrRectObj::operator=( rObj );
m_xImpl->m_pTempFile = rObj.m_xImpl->m_pTempFile; // before props
setMediaProperties( rObj.getMediaProperties() );
m_xImpl->m_xCachedSnapshot = rObj.m_xImpl->m_xCachedSnapshot;
return *this;
}
const uno::Reference< graphic::XGraphic > SdrMediaObj::getSnapshot() const
{
#if HAVE_FEATURE_AVMEDIA
if( !m_xImpl->m_xCachedSnapshot.is() )
{
OUString aRealURL = m_xImpl->m_MediaProperties.getTempURL();
if( aRealURL.isEmpty() )
aRealURL = m_xImpl->m_MediaProperties.getURL();
m_xImpl->m_xCachedSnapshot = avmedia::MediaWindow::grabFrame( aRealURL, m_xImpl->m_MediaProperties.getReferer(), m_xImpl->m_MediaProperties.getMimeType());
}
#endif
return m_xImpl->m_xCachedSnapshot;
}
void SdrMediaObj::AdjustToMaxRect( const tools::Rectangle& rMaxRect, bool bShrinkOnly /* = false */ )
{
Size aSize( Application::GetDefaultDevice()->PixelToLogic(
static_cast< sdr::contact::ViewContactOfSdrMediaObj& >( GetViewContact() ).getPreferredSize(),
MapMode(MapUnit::Map100thMM)) );
Size aMaxSize( rMaxRect.GetSize() );
if( aSize.Height() != 0 && aSize.Width() != 0 )
{
Point aPos( rMaxRect.TopLeft() );
// if graphic is too large, fit it to the page
if ( (!bShrinkOnly ||
( aSize.Height() > aMaxSize.Height() ) ||
( aSize.Width() > aMaxSize.Width() ) )&&
aSize.Height() && aMaxSize.Height() )
{
float fGrfWH = (float)aSize.Width() /
(float)aSize.Height();
float fWinWH = (float)aMaxSize.Width() /
(float)aMaxSize.Height();
// scale graphic to page size
if ( fGrfWH < fWinWH )
{
aSize.Width() = (long)(aMaxSize.Height() * fGrfWH);
aSize.Height()= aMaxSize.Height();
}
else if ( fGrfWH > 0.F )
{
aSize.Width() = aMaxSize.Width();
aSize.Height()= (long)(aMaxSize.Width() / fGrfWH);
}
aPos = rMaxRect.Center();
}
if( bShrinkOnly )
aPos = maRect.TopLeft();
aPos.X() -= aSize.Width() / 2;
aPos.Y() -= aSize.Height() / 2;
SetLogicRect( tools::Rectangle( aPos, aSize ) );
}
}
void SdrMediaObj::setURL( const OUString& rURL, const OUString& rReferer, const OUString& rMimeType )
{
::avmedia::MediaItem aURLItem;
#if HAVE_FEATURE_AVMEDIA
if( !rMimeType.isEmpty() )
m_xImpl->m_MediaProperties.setMimeType(rMimeType);
aURLItem.setURL( rURL, "", rReferer );
#else
(void) rMimeType;
(void) rURL;
(void) rReferer;
#endif
setMediaProperties( aURLItem );
}
const OUString& SdrMediaObj::getURL() const
{
#if HAVE_FEATURE_AVMEDIA
return m_xImpl->m_MediaProperties.getURL();
#else
static OUString ret;
return ret;
#endif
}
void SdrMediaObj::setMediaProperties( const ::avmedia::MediaItem& rState )
{
mediaPropertiesChanged( rState );
static_cast< sdr::contact::ViewContactOfSdrMediaObj& >( GetViewContact() ).executeMediaItem( getMediaProperties() );
}
const ::avmedia::MediaItem& SdrMediaObj::getMediaProperties() const
{
return m_xImpl->m_MediaProperties;
}
uno::Reference<io::XInputStream> SdrMediaObj::GetInputStream()
{
if (!m_xImpl->m_pTempFile)
{
SAL_WARN("svx", "this is only intended for embedded media");
return nullptr;
}
ucbhelper::Content tempFile(m_xImpl->m_pTempFile->m_TempFileURL,
uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
return tempFile.openStream();
}
static bool lcl_CopyToTempFile(
uno::Reference<io::XInputStream> const& xInStream,
OUString & o_rTempFileURL)
{
OUString tempFileURL;
::osl::FileBase::RC const err =
::osl::FileBase::createTempFile(nullptr, nullptr, & tempFileURL);
if (::osl::FileBase::E_None != err)
{
SAL_INFO("svx", "cannot create temp file");
return false;
}
try
{
::ucbhelper::Content tempContent(tempFileURL,
uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
tempContent.writeStream(xInStream, true); // copy stream to file
}
catch (uno::Exception const& e)
{
SAL_WARN("svx", "exception: '" << e << "'");
return false;
}
o_rTempFileURL = tempFileURL;
return true;
}
void SdrMediaObj::SetInputStream(uno::Reference<io::XInputStream> const& xStream)
{
if (m_xImpl->m_pTempFile || m_xImpl->m_LastFailedPkgURL.isEmpty())
{
SAL_WARN("svx", "this is only intended for embedded media");
return;
}
OUString tempFileURL;
bool const bSuccess = lcl_CopyToTempFile(xStream, tempFileURL);
if (bSuccess)
{
m_xImpl->m_pTempFile.reset(new MediaTempFile(tempFileURL));
m_xImpl->m_MediaProperties.setURL(
m_xImpl->m_LastFailedPkgURL, tempFileURL, "");
}
m_xImpl->m_LastFailedPkgURL.clear(); // once only
}
/// copy a stream from XStorage to temp file
#if HAVE_FEATURE_AVMEDIA
static bool lcl_HandlePackageURL(
OUString const & rURL,
SdrModel const *const pModel,
OUString & o_rTempFileURL)
{
if (!pModel)
{
SAL_WARN("svx", "no model");
return false;
}
::comphelper::LifecycleProxy sourceProxy;
uno::Reference<io::XInputStream> xInStream;
try {
xInStream = pModel->GetDocumentStream(rURL, sourceProxy);
}
catch (container::NoSuchElementException const&)
{
SAL_INFO("svx", "not found: '" << rURL << "'");
return false;
}
catch (uno::Exception const& e)
{
SAL_WARN("svx", "exception: '" << e << "'");
return false;
}
if (!xInStream.is())
{
SAL_WARN("svx", "no stream?");
return false;
}
return lcl_CopyToTempFile(xInStream, o_rTempFileURL);
}
#endif
void SdrMediaObj::mediaPropertiesChanged( const ::avmedia::MediaItem& rNewProperties )
{
bool bBroadcastChanged = false;
#if HAVE_FEATURE_AVMEDIA
const AVMediaSetMask nMaskSet = rNewProperties.getMaskSet();
// use only a subset of MediaItem properties for own properties
if( AVMediaSetMask::MIME_TYPE & nMaskSet )
m_xImpl->m_MediaProperties.setMimeType( rNewProperties.getMimeType() );
if( ( AVMediaSetMask::URL & nMaskSet ) &&
( rNewProperties.getURL() != getURL() ))
{
m_xImpl->m_xCachedSnapshot.clear();
OUString const& url(rNewProperties.getURL());
if (url.startsWithIgnoreAsciiCase("vnd.sun.star.Package:"))
{
if ( !m_xImpl->m_pTempFile
|| (m_xImpl->m_pTempFile->m_TempFileURL !=
rNewProperties.getTempURL()))
{
OUString tempFileURL;
bool bSuccess;
bSuccess = lcl_HandlePackageURL(url, GetModel(), tempFileURL);
if (bSuccess)
{
m_xImpl->m_pTempFile.reset(
new MediaTempFile(tempFileURL));
m_xImpl->m_MediaProperties.setURL(url, tempFileURL, "");
}
else // this case is for Clone via operator=
{
m_xImpl->m_pTempFile.reset();
m_xImpl->m_MediaProperties.setURL("", "", "");
// UGLY: oox import also gets here, because unlike ODF
// getDocumentStorage() is not the imported file...
m_xImpl->m_LastFailedPkgURL = url;
}
}
else
{
m_xImpl->m_MediaProperties.setURL(url,
rNewProperties.getTempURL(), "");
}
}
else
{
m_xImpl->m_pTempFile.reset();
m_xImpl->m_MediaProperties.setURL(url, "", rNewProperties.getReferer());
}
bBroadcastChanged = true;
}
if( AVMediaSetMask::LOOP & nMaskSet )
m_xImpl->m_MediaProperties.setLoop( rNewProperties.isLoop() );
if( AVMediaSetMask::MUTE & nMaskSet )
m_xImpl->m_MediaProperties.setMute( rNewProperties.isMute() );
if( AVMediaSetMask::VOLUMEDB & nMaskSet )
m_xImpl->m_MediaProperties.setVolumeDB( rNewProperties.getVolumeDB() );
if( AVMediaSetMask::ZOOM & nMaskSet )
m_xImpl->m_MediaProperties.setZoom( rNewProperties.getZoom() );
#else
(void) rNewProperties;
#endif
if( bBroadcastChanged )
{
SetChanged();
BroadcastObjectChange();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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