vdr-plugin-tvguide/channelepg.c

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#include "channelepg.h"
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#include "dummygrid.h"
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cChannelEpg::cChannelEpg(int num, const cChannel *channel, cTimeManager *timeManager) {
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this->channel = channel;
this->num = num;
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this->timeManager = timeManager;
#if VDRVERSNUM < 20301
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hasTimer = channel->HasTimer();
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#endif
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hasSwitchTimer = SwitchTimers.ChannelInSwitchList(channel);
#if VDRVERSNUM < 20301
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schedulesLock = new cSchedulesLock(false, 100);
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#endif
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header = NULL;
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}
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cChannelEpg::~cChannelEpg(void) {
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if (header)
delete header;
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grids.Clear();
#if VDRVERSNUM < 20301
delete schedulesLock;
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#endif
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}
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void cChannelEpg::clearGrids() {
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grids.Clear();
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}
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void cChannelEpg::createHeader() {
header = new cHeaderGrid();
header->createBackground(num);
header->drawChannel(channel);
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}
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void cChannelEpg::drawHeader() {
header->setPosition(num);
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}
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bool cChannelEpg::readGrids() {
#if VDRVERSNUM >= 20301
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const cSchedules* schedules;
{
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LOCK_SCHEDULES_READ;
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schedules = Schedules;
}
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#else
schedules = cSchedules::Schedules(*schedulesLock);
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#endif
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const cSchedule *Schedule = NULL;
Schedule = schedules->GetSchedule(channel);
if (!Schedule) {
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addDummyGrid(timeManager->GetStart(), timeManager->GetEnd(), NULL, false);
return true;
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}
bool eventFound = false;
bool dummyAtStart = false;
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const cEvent *startEvent = Schedule->GetEventAround(timeManager->GetStart());
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if (startEvent != NULL) {
eventFound = true;
} else {
for (int i=1; i<6; i++) {
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startEvent = Schedule->GetEventAround(timeManager->GetStart()+i*5*60);
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if (startEvent) {
eventFound = true;
dummyAtStart = true;
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break;
}
}
}
if (eventFound) {
bool col = true;
if (dummyAtStart) {
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addDummyGrid(timeManager->GetStart(), startEvent->StartTime(), NULL, col);
col = !col;
}
bool dummyNeeded = true;
bool toFarInFuture = false;
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time_t endLast = timeManager->GetStart();
const cEvent *event = startEvent;
const cEvent *eventLast = NULL;
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for (; event; event = Schedule->Events()->Next(event)) {
if (endLast < event->StartTime()) {
//gap, dummy needed
time_t endTime = event->StartTime();
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if (endTime > timeManager->GetEnd()) {
endTime = timeManager->GetEnd();
toFarInFuture = true;
}
addDummyGrid(endLast, endTime, NULL, col);
col = !col;
}
if (toFarInFuture) {
break;
}
addEpgGrid(event, NULL, col);
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col = !col;
endLast = event->EndTime();
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if (event->EndTime() > timeManager->GetEnd()) {
dummyNeeded = false;
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break;
}
eventLast = event;
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}
if (dummyNeeded) {
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addDummyGrid(eventLast->EndTime(), timeManager->GetEnd(), NULL, col);
}
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return true;
} else {
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addDummyGrid(timeManager->GetStart(), timeManager->GetEnd(), NULL, false);
return true;
}
return false;
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}
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void cChannelEpg::drawGrids() {
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for (cGridElement *grid = grids.First(); grid; grid = grids.Next(grid)) {
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grid->SetViewportHeight();
grid->PositionPixmap();
grid->Draw();
}
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}
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int cChannelEpg::getX() {
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return geoManager.timeLineWidth + num*geoManager.colWidth;
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}
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int cChannelEpg::getY() {
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return geoManager.statusHeaderHeight + geoManager.timeLineHeight + num*geoManager.rowHeight;
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}
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cGridElement *cChannelEpg::getActive(bool last) {
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cTimeManager t;
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t.Now();
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if (last)
return grids.Last();
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for (cGridElement *grid = grids.First(); grid; grid = grids.Next(grid)) {
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if (grid->Match(t.Get()))
return grid;
}
return grids.First();
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}
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cGridElement *cChannelEpg::getNext(cGridElement *activeGrid) {
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if (activeGrid == NULL)
return NULL;
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cGridElement *next = grids.Next(activeGrid);
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if (next)
return next;
return NULL;
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}
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cGridElement *cChannelEpg::getPrev(cGridElement *activeGrid) {
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if (activeGrid == NULL)
return NULL;
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cGridElement *prev = grids.Prev(activeGrid);
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if (prev)
return prev;
return NULL;
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}
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cGridElement *cChannelEpg::getNeighbor(cGridElement *activeGrid) {
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if (!activeGrid)
return NULL;
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cGridElement *neighbor = NULL;
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int overlap = 0;
int overlapNew = 0;
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cGridElement *grid = NULL;
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grid = grids.First();
if (grid) {
for (; grid; grid = grids.Next(grid)) {
if ( (grid->StartTime() == activeGrid->StartTime()) ) {
neighbor = grid;
break;
}
overlapNew = activeGrid->calcOverlap(grid);
if (overlapNew > overlap) {
neighbor = grid;
overlap = overlapNew;
}
}
}
if (!neighbor)
neighbor = grids.First();
return neighbor;
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}
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bool cChannelEpg::isFirst(cGridElement *grid) {
if (grid == grids.First())
return true;
return false;
}
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void cChannelEpg::AddNewGridsAtStart() {
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cGridElement *firstGrid = NULL;
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firstGrid = grids.First();
if (firstGrid == NULL)
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return;
//if first event is long enough, nothing to do.
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if (firstGrid->StartTime() <= timeManager->GetStart()) {
return;
}
//if not, i have to add new ones to the list
#if VDRVERSNUM >= 20301
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const cSchedules* schedules;
{
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LOCK_SCHEDULES_READ;
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schedules = Schedules;
}
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#else
schedules = cSchedules::Schedules(*schedulesLock);
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#endif
const cSchedule *Schedule = NULL;
Schedule = schedules->GetSchedule(channel);
if (!Schedule) {
if (firstGrid->isDummy()) {
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firstGrid->SetStartTime(timeManager->GetStart());
firstGrid->SetEndTime(timeManager->GetEnd());
}
return;
}
bool col = !(firstGrid->IsColor1());
bool dummyNeeded = true;
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for (const cEvent *event = Schedule->GetEventAround(firstGrid->StartTime()-60); event; event = Schedule->Events()->Prev(event)) {
if (!event)
break;
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if (event->EndTime() < timeManager->GetStart()) {
break;
}
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cGridElement *grid = addEpgGrid(event, firstGrid, col);
col = !col;
firstGrid = grid;
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if (event->StartTime() <= timeManager->GetStart()) {
dummyNeeded = false;
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break;
}
}
if (dummyNeeded) {
firstGrid = grids.First();
if (firstGrid->isDummy()) {
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firstGrid->SetStartTime(timeManager->GetStart());
if (firstGrid->EndTime() >= timeManager->GetEnd())
firstGrid->SetEndTime(timeManager->GetEnd());
} else {
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addDummyGrid(timeManager->GetStart(), firstGrid->StartTime(), firstGrid, col);
}
}
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}
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void cChannelEpg::AddNewGridsAtEnd() {
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cGridElement *lastGrid = NULL;
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lastGrid = grids.Last();
if (lastGrid == NULL)
return;
//if last event is long enough, nothing to do.
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if (lastGrid->EndTime() >= timeManager->GetEnd()) {
return;
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}
//if not, i have to add new ones to the list
#if VDRVERSNUM >= 20301
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const cSchedules* schedules;
{
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LOCK_SCHEDULES_READ;
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schedules = Schedules;
}
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#else
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schedules = cSchedules::Schedules(*schedulesLock);
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#endif
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const cSchedule *Schedule = NULL;
Schedule = schedules->GetSchedule(channel);
if (!Schedule) {
if (lastGrid->isDummy()) {
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lastGrid->SetStartTime(timeManager->GetStart());
lastGrid->SetEndTime(timeManager->GetEnd());
}
return;
}
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bool col = !(lastGrid->IsColor1());
bool dummyNeeded = true;
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for (const cEvent *event = Schedule->GetEventAround(lastGrid->EndTime()+60); event; event = Schedule->Events()->Next(event)) {
if (!event)
break;
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if (event->StartTime() > timeManager->GetEnd()) {
break;
}
addEpgGrid(event, NULL, col);
col = !col;
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if (event->EndTime() > timeManager->GetEnd()) {
dummyNeeded = false;
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break;
}
}
if (dummyNeeded) {
lastGrid = grids.Last();
if (lastGrid->isDummy()) {
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lastGrid->SetEndTime(timeManager->GetEnd());
if (lastGrid->StartTime() <= timeManager->GetStart())
lastGrid->SetStartTime(timeManager->GetStart());
} else {
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addDummyGrid(lastGrid->EndTime(), timeManager->GetEnd(), NULL, col);
}
}
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}
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void cChannelEpg::ClearOutdatedStart() {
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cGridElement *firstGrid = NULL;
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while (true) {
firstGrid = grids.First();
if (!firstGrid)
break;
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if (firstGrid->EndTime() <= timeManager->GetStart()) {
grids.Del(firstGrid);
firstGrid = NULL;
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} else {
if (firstGrid->isDummy()) {
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firstGrid->SetStartTime(timeManager->GetStart());
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cGridElement *next = getNext(firstGrid);
if (next) {
firstGrid->SetEndTime(next->StartTime());
} else {
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firstGrid->SetEndTime(timeManager->GetEnd());
}
}
break;
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}
}
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}
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void cChannelEpg::ClearOutdatedEnd() {
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cGridElement *lastGrid = NULL;
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while (true) {
lastGrid = grids.Last();
if (!lastGrid)
break;
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if (lastGrid->StartTime() >= timeManager->GetEnd()) {
grids.Del(lastGrid);
lastGrid = NULL;
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} else {
if (lastGrid->isDummy()) {
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lastGrid->SetEndTime(timeManager->GetEnd());
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cGridElement *prev = getPrev(lastGrid);
if (prev) {
lastGrid->SetStartTime(prev->EndTime());
} else {
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lastGrid->SetStartTime(timeManager->GetStart());
}
}
break;
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}
}
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}
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cGridElement *cChannelEpg::addEpgGrid(const cEvent *event, cGridElement *firstGrid, bool color) {
cGridElement *grid = new cEpgGrid(this, event);
grid->setText();
grid->SetColor(color);
if (!firstGrid)
grids.Add(grid);
else
grids.Ins(grid, firstGrid);
return grid;
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}
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cGridElement *cChannelEpg::addDummyGrid(time_t start, time_t end, cGridElement *firstGrid, bool color) {
cGridElement *dummy = new cDummyGrid(this, start, end);
dummy->setText();
dummy->SetColor(color);
if (!firstGrid)
grids.Add(dummy);
else
grids.Ins(dummy, firstGrid);
return dummy;
}
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void cChannelEpg::SetTimers() {
#if VDRVERSNUM < 20301
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hasTimer = channel->HasTimer();
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#endif
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hasSwitchTimer = SwitchTimers.ChannelInSwitchList(channel);
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for (cGridElement *grid = grids.First(); grid; grid = grids.Next(grid)) {
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bool gridHadTimer = grid->HasTimer();
grid->SetTimer();
if (gridHadTimer || gridHadTimer != grid->HasTimer())
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grid->SetDirty();
bool gridHadSwitchTimer = grid->HasSwitchTimer();
grid->SetSwitchTimer();
if (gridHadSwitchTimer != grid->HasSwitchTimer())
grid->SetDirty();
grid->Draw();
}
}
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void cChannelEpg::dumpGrids() {
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esyslog("tvguide: ------Channel %s %d: %d entires ---------", channel->Name(), num, grids.Count());
int i=1;
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for (cGridElement *grid = grids.First(); grid; grid = grids.Next(grid)) {
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esyslog("tvguide: grid %d: start: %s, stop: %s", i, *cTimeManager::printTime(grid->StartTime()), *cTimeManager::printTime(grid->EndTime()));
i++;
}
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}