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