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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 <svx/gallerybinaryengineentry.hxx>
#include <svx/galmisc.hxx>
#include <svx/gallery1.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <tools/urlobj.hxx>
#include <tools/vcompat.hxx>
#include <com/sun/star/ucb/ContentCreationException.hpp>
static bool FileExists(const INetURLObject& rURL, std::u16string_view rExt)
{
INetURLObject aURL(rURL);
aURL.setExtension(rExt);
return FileExists(aURL);
}
GalleryBinaryEngineEntry::GalleryBinaryEngineEntry()
{
mpGalleryStorageLocations = std::make_unique<GalleryBinaryStorageLocations>();
}
void GalleryBinaryEngineEntry::setStorageLocations(INetURLObject& rURL)
{
mpGalleryStorageLocations->SetStorageLocations(rURL);
}
std::unique_ptr<GalleryBinaryEngine> GalleryBinaryEngineEntry::createGalleryStorageEngine(
GalleryObjectCollection& mrGalleryObjectCollection, bool& bReadOnly)
{
return std::make_unique<GalleryBinaryEngine>(*mpGalleryStorageLocations,
mrGalleryObjectCollection, bReadOnly);
}
void GalleryBinaryEngineEntry::CreateUniqueURL(const INetURLObject& rBaseURL, INetURLObject& aURL)
{
INetURLObject aBaseNoCase(GalleryBinaryStorageLocations::ImplGetURLIgnoreCase(rBaseURL));
aURL = aBaseNoCase;
static sal_Int32 nIdx = 0;
while (FileExists(aURL, u"thm"))
{ // create new URLs
nIdx++;
aURL = aBaseNoCase;
aURL.setName(OUStringConcatenation(aURL.getName() + OUString::number(nIdx)));
}
}
GalleryThemeEntry* GalleryBinaryEngineEntry::CreateThemeEntry(const INetURLObject& rURL,
bool bReadOnly)
{
DBG_ASSERT(rURL.GetProtocol() != INetProtocol::NotValid, "invalid URL");
GalleryThemeEntry* pRet = nullptr;
if (FileExists(rURL))
{
std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream(
rURL.GetMainURL(INetURLObject::DecodeMechanism::NONE), StreamMode::READ));
if (pIStm)
{
sal_uInt16 nVersion;
pIStm->ReadUInt16(nVersion);
if (nVersion <= 0x00ff)
{
bool bThemeNameFromResource = false;
sal_uInt32 nThemeId = 0;
OString aTmpStr = read_uInt16_lenPrefixed_uInt8s_ToOString(*pIStm);
OUString aThemeName = OStringToOUString(aTmpStr, RTL_TEXTENCODING_UTF8);
// execute a character conversion
if (nVersion >= 0x0004)
{
sal_uInt32 nCount;
sal_uInt16 nTemp16;
pIStm->ReadUInt32(nCount).ReadUInt16(nTemp16);
pIStm->Seek(STREAM_SEEK_TO_END);
// check whether there is a newer version;
// therefore jump back by 520Bytes (8 bytes ID + 512Bytes reserve buffer)
// if this is at all possible.
if (pIStm->Tell() >= 520)
{
sal_uInt32 nId1, nId2;
pIStm->SeekRel(-520);
pIStm->ReadUInt32(nId1).ReadUInt32(nId2);
if (nId1 == COMPAT_FORMAT('G', 'A', 'L', 'R')
&& nId2 == COMPAT_FORMAT('E', 'S', 'R', 'V'))
{
VersionCompatRead aCompat(*pIStm);
pIStm->ReadUInt32(nThemeId);
if (aCompat.GetVersion() >= 2)
{
pIStm->ReadCharAsBool(bThemeNameFromResource);
}
}
}
}
pRet = new GalleryThemeEntry(false, rURL, aThemeName, bReadOnly, false, nThemeId,
bThemeNameFromResource);
}
}
}
return pRet;
}
void GalleryBinaryEngineEntry::removeTheme()
{
INetURLObject aThmURL(GetThmURL());
INetURLObject aSdgURL(GetSdgURL());
INetURLObject aSdvURL(GetSdvURL());
INetURLObject aStrURL(GetStrURL());
KillFile(aThmURL);
KillFile(aSdgURL);
KillFile(aSdvURL);
KillFile(aStrURL);
}
std::unique_ptr<GalleryTheme>&
GalleryBinaryEngineEntry::getCachedTheme(std::unique_ptr<GalleryTheme>& pNewTheme)
{
INetURLObject aURL = GetThmURL();
DBG_ASSERT(aURL.GetProtocol() != INetProtocol::NotValid, "invalid URL");
if (FileExists(aURL))
{
std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream(
aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE), StreamMode::READ));
if (pIStm)
{
try
{
ReadGalleryTheme(*pIStm, *pNewTheme);
if (pIStm->GetError())
pNewTheme.reset();
}
catch (const css::ucb::ContentCreationException&)
{
}
}
}
return pNewTheme;
}
SvStream& ReadGalleryTheme(SvStream& rIn, GalleryTheme& rTheme) { return rTheme.ReadData(rIn); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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