1/*
2Open Tracker License
3
4Terms and Conditions
5
6Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy of
9this software and associated documentation files (the "Software"), to deal in
10the Software without restriction, including without limitation the rights to
11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12of the Software, and to permit persons to whom the Software is furnished to do
13so, subject to the following conditions:
14
15The above copyright notice and this permission notice applies to all licensees
16and shall be included in all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of Be Incorporated shall not be
26used in advertising or otherwise to promote the sale, use or other dealings in
27this Software without prior written authorization from Be Incorporated.
28
29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
30of Be Incorporated in the United States and other countries. Other brand product
31names are registered trademarks or trademarks of their respective holders.
32All rights reserved.
33*/
34
35//	Copyright 1997, 1998, Be Incorporated, All Rights Reserved.
36//
37//	NodePreloader manages caching up icons from apps and prefs folder for
38//	fast display of the app/prefs nav menus
39//
40//  Icons end up in the node cache as permanent entries -- to be able
41//  to do this, each entry has to be node monitored to avoid inode
42//  aliasing after a deletion, etc.
43//
44//  The node preloader knows which icons to preload
45#ifndef _NODE_CACHE_PRELOADER_H
46#define _NODE_CACHE_PRELOADER_H
47
48
49#include <Handler.h>
50#include <ObjectList.h>
51
52#include "Model.h"
53
54
55namespace BPrivate {
56
57class NodePreloader : public BHandler {
58public:
59	static NodePreloader* InstallNodePreloader(const char* name, BLooper* host);
60	virtual ~NodePreloader();
61
62protected:
63	NodePreloader(const char* name);
64	virtual void MessageReceived(BMessage*);
65
66	void Run();
67
68private:
69	void PreloadOne(const char* dirPath);
70	virtual void Preload();
71		// for now just preload apps and prefs
72	Model* FindModel(node_ref) const;
73
74	BObjectList<Model> fModelList;
75	Benaphore fLock;
76	volatile bool fQuitRequested;
77
78	typedef BHandler _inherited;
79};
80
81} // namespace BPrivate
82
83using namespace BPrivate;
84
85
86#endif	// _NODE_CACHE_PRELOADER_H
87