xref: /haiku/src/kits/tracker/NodePreloader.h (revision 26325b395cbc0f501f1bb140b208afa6de5ecfab)
102be5353SAxel Dörfler /*
202be5353SAxel Dörfler Open Tracker License
302be5353SAxel Dörfler 
402be5353SAxel Dörfler Terms and Conditions
502be5353SAxel Dörfler 
602be5353SAxel Dörfler Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
702be5353SAxel Dörfler 
802be5353SAxel Dörfler Permission is hereby granted, free of charge, to any person obtaining a copy of
902be5353SAxel Dörfler this software and associated documentation files (the "Software"), to deal in
1002be5353SAxel Dörfler the Software without restriction, including without limitation the rights to
1102be5353SAxel Dörfler use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
1202be5353SAxel Dörfler of the Software, and to permit persons to whom the Software is furnished to do
1302be5353SAxel Dörfler so, subject to the following conditions:
1402be5353SAxel Dörfler 
1502be5353SAxel Dörfler The above copyright notice and this permission notice applies to all licensees
1602be5353SAxel Dörfler and shall be included in all copies or substantial portions of the Software.
1702be5353SAxel Dörfler 
1802be5353SAxel Dörfler THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1902be5353SAxel Dörfler IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
2002be5353SAxel Dörfler FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
2102be5353SAxel Dörfler BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
2202be5353SAxel Dörfler AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
2302be5353SAxel Dörfler WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2402be5353SAxel Dörfler 
2502be5353SAxel Dörfler Except as contained in this notice, the name of Be Incorporated shall not be
2602be5353SAxel Dörfler used in advertising or otherwise to promote the sale, use or other dealings in
2702be5353SAxel Dörfler this Software without prior written authorization from Be Incorporated.
2802be5353SAxel Dörfler 
2902be5353SAxel Dörfler Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
3002be5353SAxel Dörfler of Be Incorporated in the United States and other countries. Other brand product
3102be5353SAxel Dörfler names are registered trademarks or trademarks of their respective holders.
3202be5353SAxel Dörfler All rights reserved.
3302be5353SAxel Dörfler */
3402be5353SAxel Dörfler 
3502be5353SAxel Dörfler //	Copyright 1997, 1998, Be Incorporated, All Rights Reserved.
3602be5353SAxel Dörfler //
3702be5353SAxel Dörfler //	NodePreloader manages caching up icons from apps and prefs folder for
3802be5353SAxel Dörfler //	fast display of the app/prefs nav menus
3902be5353SAxel Dörfler //
4002be5353SAxel Dörfler //  Icons end up in the node cache as permanent entries -- to be able
4102be5353SAxel Dörfler //  to do this, each entry has to be node monitored to avoid inode
4202be5353SAxel Dörfler //  aliasing after a deletion, etc.
4302be5353SAxel Dörfler //
4402be5353SAxel Dörfler //  The node preloader knows which icons to preload
45*26325b39SJohn Scipione #ifndef _NODE_CACHE_PRELOADER_H
46*26325b39SJohn Scipione #define _NODE_CACHE_PRELOADER_H
4702be5353SAxel Dörfler 
48b05aa8b5SJohn Scipione 
4902be5353SAxel Dörfler #include <Handler.h>
50*26325b39SJohn Scipione #include <ObjectList.h>
5102be5353SAxel Dörfler 
5202be5353SAxel Dörfler #include "Model.h"
5302be5353SAxel Dörfler 
54b05aa8b5SJohn Scipione 
5502be5353SAxel Dörfler namespace BPrivate {
5602be5353SAxel Dörfler 
5702be5353SAxel Dörfler class NodePreloader : public BHandler {
5802be5353SAxel Dörfler public:
5902be5353SAxel Dörfler 	static NodePreloader* InstallNodePreloader(const char* name, BLooper* host);
6002be5353SAxel Dörfler 	virtual ~NodePreloader();
6102be5353SAxel Dörfler 
6202be5353SAxel Dörfler protected:
6302be5353SAxel Dörfler 	NodePreloader(const char* name);
6402be5353SAxel Dörfler 	virtual void MessageReceived(BMessage*);
6502be5353SAxel Dörfler 
6602be5353SAxel Dörfler 	void Run();
6702be5353SAxel Dörfler 
6802be5353SAxel Dörfler private:
6902be5353SAxel Dörfler 	void PreloadOne(const char* dirPath);
7002be5353SAxel Dörfler 	virtual void Preload();
7102be5353SAxel Dörfler 		// for now just preload apps and prefs
7202be5353SAxel Dörfler 	Model* FindModel(node_ref) const;
7302be5353SAxel Dörfler 
7402be5353SAxel Dörfler 	BObjectList<Model> fModelList;
7502be5353SAxel Dörfler 	Benaphore fLock;
7602be5353SAxel Dörfler 	volatile bool fQuitRequested;
7702be5353SAxel Dörfler 
7802be5353SAxel Dörfler 	typedef BHandler _inherited;
7902be5353SAxel Dörfler };
8002be5353SAxel Dörfler 
8102be5353SAxel Dörfler } // namespace BPrivate
8202be5353SAxel Dörfler 
8302be5353SAxel Dörfler using namespace BPrivate;
8402be5353SAxel Dörfler 
85*26325b39SJohn Scipione 
86*26325b39SJohn Scipione #endif	// _NODE_CACHE_PRELOADER_H
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