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 36#include "PendingNodeMonitorCache.h" 37#include "PoseView.h" 38 39 40const bigtime_t kDelayedNodeMonitorLifetime = 10000000; 41 // after this much the pending node monitor gets discarded as 42 // too old 43 44 45PendingNodeMonitorEntry::PendingNodeMonitorEntry(const node_ref* node, 46 const BMessage* nodeMonitor) 47 : fExpiresAfter(system_time() + kDelayedNodeMonitorLifetime), 48 fNodeMonitor(*nodeMonitor), 49 fNode(*node) 50{ 51} 52 53 54const BMessage* 55PendingNodeMonitorEntry::NodeMonitor() const 56{ 57 return &fNodeMonitor; 58} 59 60 61bool 62PendingNodeMonitorEntry::Match(const node_ref* node) const 63{ 64 return fNode == *node; 65} 66 67 68bool 69PendingNodeMonitorEntry::TooOld(bigtime_t now) const 70{ 71 return now > fExpiresAfter; 72} 73 74 75PendingNodeMonitorCache::PendingNodeMonitorCache() 76 : fList(10, true) 77{ 78} 79 80 81PendingNodeMonitorCache::~PendingNodeMonitorCache() 82{ 83} 84 85 86void 87PendingNodeMonitorCache::Add(const BMessage* message) 88{ 89#if xDEBUG 90 PRINT(("adding pending node monitor\n")); 91 message->PrintToStream(); 92#endif 93 node_ref node; 94 if (message->FindInt32("device", &node.device) != B_OK 95 || message->FindInt64("node", (int64*)&node.node) != B_OK) 96 return; 97 98 fList.AddItem(new PendingNodeMonitorEntry(&node, message)); 99} 100 101 102void 103PendingNodeMonitorCache::RemoveEntries(const node_ref* nodeRef) 104{ 105 int32 count = fList.CountItems(); 106 for (int32 index = count - 1; index >= 0; index--) 107 if (fList.ItemAt(index)->Match(nodeRef)) 108 delete fList.RemoveItemAt(index); 109} 110 111 112void 113PendingNodeMonitorCache::RemoveOldEntries() 114{ 115 bigtime_t now = system_time(); 116 int32 count = fList.CountItems(); 117 for (int32 index = count - 1; index >= 0; index--) 118 if (fList.ItemAt(index)->TooOld(now)) { 119 PRINT(("removing old entry from pending node monitor cache\n")); 120 delete fList.RemoveItemAt(index); 121 } 122} 123 124 125void 126PendingNodeMonitorCache::PoseCreatedOrMoved(BPoseView* poseView, 127 const BPose* pose) 128{ 129 bigtime_t now = system_time(); 130 for (int32 index = 0; index < fList.CountItems();) { 131 PendingNodeMonitorEntry* item = fList.ItemAt(index); 132 if (item->TooOld(now)) { 133 PRINT(("removing old entry from pending node monitor cache\n")); 134 delete fList.RemoveItemAt(index); 135 } else if (item->Match(pose->TargetModel()->NodeRef())) { 136 fList.RemoveItemAt(index); 137#if DEBUG 138 PRINT(("reapplying node monitor for model:\n")); 139 pose->TargetModel()->PrintToStream(); 140 item->NodeMonitor()->PrintToStream(); 141 bool result = 142#endif 143 poseView->FSNotification(item->NodeMonitor()); 144 ASSERT(result); 145 delete item; 146 } else 147 index++; 148 } 149} 150