LocatableFile.h revision fce4895d
1/*
2 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef LOCATABLE_FILE_H
6#define LOCATABLE_FILE_H
7
8#include <ObjectList.h>
9
10#include "LocatableEntry.h"
11
12
13class LocatableFile : public LocatableEntry {
14public:
15	class Listener;
16
17public:
18								LocatableFile(LocatableEntryOwner* owner,
19									LocatableDirectory* directory,
20									const BString& name);
21								~LocatableFile();
22
23	virtual	const char*			Name() const;
24			void				GetPath(BString& _path) const;
25
26			// mutable (requires/does locking)
27	virtual	bool				GetLocatedPath(BString& _path) const;
28	virtual	void				SetLocatedPath(const BString& path,
29									bool implicit);
30
31			bool				AddListener(Listener* listener);
32			void				RemoveListener(Listener* listener);
33
34private:
35			typedef BObjectList<Listener> ListenerList;
36
37private:
38			void				_NotifyListeners();
39
40private:
41			BString				fName;
42			BString				fLocatedPath;
43			ListenerList		fListeners;
44};
45
46
47class LocatableFile::Listener {
48public:
49	virtual						~Listener();
50
51	virtual	void				LocatableFileChanged(LocatableFile* file) = 0;
52									// called with lock held
53};
54
55
56#endif	// LOCATABLE_FILE_H
57