02be5353fd
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12772 a95241bf-73f2-0310-859d-f6bbb57e9c96
142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
/*
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Open Tracker License
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Terms and Conditions
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Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice applies to all licensees
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and shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Be Incorporated shall not be
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used in advertising or otherwise to promote the sale, use or other dealings in
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this Software without prior written authorization from Be Incorporated.
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Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
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of Be Incorporated in the United States and other countries. Other brand product
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names are registered trademarks or trademarks of their respective holders.
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All rights reserved.
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*/
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#include "PendingNodeMonitorCache.h"
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#include "PoseView.h"
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const bigtime_t kDelayedNodeMonitorLifetime = 10000000;
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// after this much the pending node monitor gets discarded as
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// too old
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PendingNodeMonitorEntry::PendingNodeMonitorEntry(const node_ref *node,
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const BMessage *nodeMonitor)
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: fExpiresAfter(system_time() + kDelayedNodeMonitorLifetime),
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fNodeMonitor(*nodeMonitor),
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fNode(*node)
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{
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}
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const BMessage *
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PendingNodeMonitorEntry::NodeMonitor() const
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{
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return &fNodeMonitor;
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}
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bool
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PendingNodeMonitorEntry::Match(const node_ref *node) const
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{
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return fNode == *node;
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}
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bool
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PendingNodeMonitorEntry::TooOld(bigtime_t now) const
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{
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return now > fExpiresAfter;
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}
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PendingNodeMonitorCache::PendingNodeMonitorCache()
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: fList(10, true)
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{
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}
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PendingNodeMonitorCache::~PendingNodeMonitorCache()
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{
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}
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void
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PendingNodeMonitorCache::Add(const BMessage *message)
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{
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#if xDEBUG
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PRINT(("adding pending node monitor\n"));
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message->PrintToStream();
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#endif
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node_ref node;
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if (message->FindInt32("device", &node.device) != B_OK
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|| message->FindInt64("node", (int64 *)&node.node) != B_OK)
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return;
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fList.AddItem(new PendingNodeMonitorEntry(&node, message));
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}
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void
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PendingNodeMonitorCache::RemoveEntries(const node_ref *nodeRef)
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{
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int32 count = fList.CountItems();
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for (int32 index = count - 1; index >= 0; index--)
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if (fList.ItemAt(index)->Match(nodeRef))
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delete fList.RemoveItemAt(index);
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}
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void
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PendingNodeMonitorCache::RemoveOldEntries()
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{
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bigtime_t now = system_time();
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int32 count = fList.CountItems();
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for (int32 index = count - 1; index >= 0; index--)
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if (fList.ItemAt(index)->TooOld(now)) {
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PRINT(("removing old entry from pending node monitor cache\n"));
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delete fList.RemoveItemAt(index);
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}
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}
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void
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PendingNodeMonitorCache::PoseCreatedOrMoved(BPoseView *poseView, const BPose *pose)
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{
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bigtime_t now = system_time();
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int32 count = fList.CountItems();
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for (int32 index = 0; index < count;) {
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PendingNodeMonitorEntry *item = fList.ItemAt(index);
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if (item->TooOld(now)) {
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PRINT(("removing old entry from pending node monitor cache\n"));
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delete fList.RemoveItemAt(index);
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count--;
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} else if (item->Match(pose->TargetModel()->NodeRef())) {
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#if DEBUG
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PRINT(("reapplying node monitor for model:\n"));
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pose->TargetModel()->PrintToStream();
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item->NodeMonitor()->PrintToStream();
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bool result =
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#endif
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poseView->FSNotification(item->NodeMonitor());
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ASSERT(result);
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delete fList.RemoveItemAt(index);
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count--;
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} else
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index++;
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}
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}
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