126 lines
2.8 KiB
C
Executable File
126 lines
2.8 KiB
C
Executable File
/*
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* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "desktop/browser.h"
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#include "amiga/object.h"
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#include "amiga/schedule.h"
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#include <proto/exec.h>
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#include <proto/timer.h>
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/**
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* Schedule a callback.
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*
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* \param t interval before the callback should be made / cs
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* \param callback callback function
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* \param p user parameter, passed to callback function
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*
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* The callback function will be called as soon as possible after t cs have
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* passed.
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*/
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void schedule(int t, void (*callback)(void *p), void *p)
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{
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struct nsObject *obj;
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struct nscallback *nscb;
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struct timeval tv;
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obj = AddObject(schedule_list,AMINS_CALLBACK);
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obj->objstruct_size = sizeof(struct nscallback);
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obj->objstruct = AllocVec(obj->objstruct_size,MEMF_CLEAR);
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nscb = (struct nscallback *)obj->objstruct;
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nscb->tv.tv_sec = 0;
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nscb->tv.tv_micro = t*10000;
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GetSysTime(&tv);
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AddTime(&nscb->tv,&tv);
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nscb->callback = callback;
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nscb->p = p;
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}
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/**
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* Unschedule a callback.
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*
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* \param callback callback function
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* \param p user parameter, passed to callback function
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*
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* All scheduled callbacks matching both callback and p are removed.
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*/
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void schedule_remove(void (*callback)(void *p), void *p)
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{
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struct nsObject *node;
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struct nsObject *nnode;
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struct nscallback *nscb;
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if(IsMinListEmpty(schedule_list)) return;
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node = (struct nsObject *)schedule_list->mlh_Head;
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while(nnode=(struct nsObject *)(node->dtz_Node.mln_Succ))
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{
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nscb = node->objstruct;
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if((nscb->callback == callback) && (nscb->p == p))
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{
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DelObject(node);
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}
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node=nnode;
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}
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}
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/**
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* Process events up to current time.
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*/
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void schedule_run(void)
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{
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struct nsObject *node;
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struct nsObject *nnode;
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struct nscallback *nscb;
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void (*callback)(void *p);
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void *p;
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struct timeval tv;
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if(IsMinListEmpty(schedule_list)) return;
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GetSysTime(&tv);
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node = (struct nsObject *)schedule_list->mlh_Head;
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while(nnode=(struct nsObject *)(node->dtz_Node.mln_Succ))
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{
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if((node->Type == AMINS_CALLBACK) && (node->objstruct))
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{
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nscb = node->objstruct;
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if(CmpTime(&tv,&nscb->tv) <= 0)
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{
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callback = nscb->callback;
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p = nscb->p;
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DelObject(node);
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callback(p);
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}
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}
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node=nnode;
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}
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}
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