diff options
Diffstat (limited to 'svx/source/gallery2/gallerybinaryengineentry.cxx')
| -rw-r--r-- | svx/source/gallery2/gallerybinaryengineentry.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/svx/source/gallery2/gallerybinaryengineentry.cxx b/svx/source/gallery2/gallerybinaryengineentry.cxx new file mode 100644 index 000000000..f892788ae --- /dev/null +++ b/svx/source/gallery2/gallerybinaryengineentry.cxx @@ -0,0 +1,180 @@ +/* -*- 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: */ |