* Copyright 2020-2021, Andrew Lindesay <apl@lindesay.co.nz>.
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef PACKAGE_ICON_TAR_REPOSITORY_H
#define PACKAGE_ICON_TAR_REPOSITORY_H
#include <DataIO.h>
#include <HashMap.h>
#include <HashString.h>
#include <Locker.h>
#include <Path.h>
#include <Referenceable.h>
#include "IconTarPtr.h"
#include "LRUCache.h"
#include "PackageIconRepository.h"
typedef BReference<IconTarPtr> IconTarPtrRef;
class PackageIconTarRepository : public PackageIconRepository {
public:
PackageIconTarRepository();
virtual ~PackageIconTarRepository();
status_t Init(BPath& tarPath);
void AddIconTarPtr(const BString& pkgName,
BitmapSize size, off_t offset);
virtual status_t GetIcon(const BString& pkgName, BitmapSize size,
BitmapRef& bitmap);
virtual bool HasAnyIcon(const BString& pkgName);
virtual void Clear();
static void CleanupDefaultIcon();
private:
void _Close();
const char* _ToIconCacheKeySuffix(BitmapSize size);
const HashString _ToIconCacheKey(const BString& pkgName,
BitmapSize size);
IconTarPtrRef _GetOrCreateIconTarPtr(const BString& pkgName);
IconTarPtrRef _GetIconTarPtr(const BString& pkgName) const;
status_t _CreateIconFromTarOffset(off_t offset,
BitmapRef& bitmap);
static off_t _OffsetToBestRepresentation(
const IconTarPtrRef iconTarPtrRef,
BitmapSize desiredSize,
BitmapSize* actualSize);
private:
BLocker fLock;
BPositionIO* fTarIo;
LRUCache<HashString, BitmapRef>
fIconCache;
HashMap<HashString, IconTarPtrRef>
fIconTarPtrs;
static BitmapRef sDefaultIcon;
};
#endif
