* Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef PACKAGE_LINK_DIRECTORY_H
#define PACKAGE_LINK_DIRECTORY_H
#include "Directory.h"
#include "Package.h"
#include "PackageLinkSymlink.h"
class PackageLinksListener;
class PackageLinkDirectory : public Directory {
public:
PackageLinkDirectory();
virtual ~PackageLinkDirectory();
status_t Init(Package* package);
virtual status_t Init(const String& name);
virtual timespec ModifiedTime() const;
virtual status_t OpenAttributeDirectory(
AttributeDirectoryCookie*& _cookie);
virtual status_t OpenAttribute(const StringKey& name,
int openMode, AttributeCookie*& _cookie);
void AddPackage(Package* package,
PackageLinksListener* listener);
void RemovePackage(Package* package,
PackageLinksListener* listener);
void UpdatePackageDependencies(Package* package,
PackageLinksListener* listener);
bool IsEmpty() const
{ return fPackages.IsEmpty(); }
private:
typedef PackageLinkSymlink Link;
struct DependencyLink : public PackageLinkSymlink {
DependencyLink(Package* package)
:
PackageLinkSymlink(package, TYPE_INSTALLATION_LOCATION)
{
}
DoublyLinkedListLink<DependencyLink> fPackageLinkDirectoryLink;
};
typedef DoublyLinkedList<DependencyLink,
DoublyLinkedListMemberGetLink<DependencyLink,
&DependencyLink::fPackageLinkDirectoryLink> >
FamilyDependencyList;
private:
status_t _Update(PackageLinksListener* listener);
status_t _UpdateDependencies(
PackageLinksListener* listener);
status_t _CreateOrUpdateLink(Link*& link,
Package* package, Link::Type type,
const String& name,
PackageLinksListener* listener);
void _RemoveLink(Link* link,
PackageLinksListener* listener);
private:
timespec fModifiedTime;
PackageList fPackages;
Link* fSelfLink;
Link* fSettingsLink;
FamilyDependencyList fDependencyLinks;
};
#endif
