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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 .
*/
#ifndef INCLUDED_VCL_INC_IMPIMAGETREE_HXX
#define INCLUDED_VCL_INC_IMPIMAGETREE_HXX
#include "sal/config.h"
#include <unordered_map>
#include <vector>
#include "boost/noncopyable.hpp"
#include "com/sun/star/uno/Reference.hxx"
#include "rtl/ustring.hxx"
#include "salhelper/singletonref.hxx"
namespace com { namespace sun { namespace star { namespace container {
class XNameAccess;
} } } }
class BitmapEx;
class ImplImageTree: private boost::noncopyable {
public:
ImplImageTree();
~ImplImageTree();
bool loadImage(
OUString const & name, OUString const & style,
BitmapEx & bitmap, bool localized = false, bool loadMissing = false );
bool loadDefaultImage(
OUString const & style,
BitmapEx& bitmap);
/** a crude form of life cycle control (called from DeInitVCL; otherwise,
* if the ImplImageTree singleton were destroyed during exit that would
* be too late for the destructors of the bitmaps in maIconCache)*/
void shutDown();
css::uno::Reference< css::container::XNameAccess > getNameAccess();
private:
typedef std::unordered_map<OUString, std::pair<bool, BitmapEx>, OUStringHash> IconCache;
typedef std::unordered_map<OUString, OUString, OUStringHash> IconLinkHash;
struct IconSet {
OUString maURL;
css::uno::Reference<css::container::XNameAccess> maNameAccess;
IconCache maIconCache;
IconLinkHash maLinkHash;
IconSet() {}
IconSet(const OUString &aURL) : maURL(aURL) {}
};
/// Map between the theme name(s) and the content.
typedef std::unordered_map<OUString, IconSet, OUStringHash> StyleIconSet;
/// Remember all the (used) icon styles and individual icons in them.
StyleIconSet maIconSet;
/// Styly used for the current operations; switches switch several times during fallback search.
OUString maCurrentStyle;
bool doLoadImage(
OUString const & name, OUString const & style,
BitmapEx & bitmap, bool localized);
bool checkPathAccess();
void setStyle(OUString const & style );
void createStyle();
bool iconCacheLookup( OUString const & name, bool localized, BitmapEx & bitmap );
bool findImage(std::vector< OUString > const & paths, BitmapEx & bitmap );
void loadImageLinks();
void parseLinkFile(boost::shared_ptr< SvStream > stream);
/// Return name of a real .png according to links.txt.
OUString const & getRealImageName(OUString const & name);
/** Rerurn name of the fallback style for the provided one.
Must not be cyclic :-) The last theme in the chain returns an empty string.
*/
OUString fallbackStyle(const OUString &style);
};
typedef salhelper::SingletonRef< ImplImageTree > ImplImageTreeSingletonRef;
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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