vdr-plugin-tvguide/channelgroups.c
2019-07-11 13:40:00 +02:00

162 lines
4.7 KiB
C

#include <vector>
#include "config.h"
#include "channelgroups.h"
cChannelGroups::cChannelGroups(void) {
}
cChannelGroups::~cChannelGroups(void) {
}
void cChannelGroups::ReadChannelGroups(void) {
bool setStart = false;
int lastChannelNumber = 0;
#if VDRVERSNUM >= 20301
LOCK_CHANNELS_READ;
const cChannels *channels = Channels;
#else
const cChannels *channels = &Channels;
#endif
const cChannel *first = channels->First();
if (!first->GroupSep()) {
channelGroups.push_back(cChannelGroup(tr("Main Program")));
setStart = true;
}
for (const cChannel *channel = channels->First(); channel; channel = channels->Next(channel)) {
if (setStart && (channelGroups.size() > 0)) {
channelGroups[channelGroups.size() - 1].SetChannelStart(channel->Number());
setStart = false;
}
if (channel->GroupSep()) {
if (channelGroups.size() > 0) {
channelGroups[channelGroups.size() - 1].SetChannelStop(lastChannelNumber);
}
channelGroups.push_back(cChannelGroup(channel->Name()));
setStart = true;
} else {
lastChannelNumber = channel->Number();
}
}
if (channelGroups.size() > 0) {
channelGroups[channelGroups.size() - 1].SetChannelStop(lastChannelNumber);
if ((config.hideLastGroup) && (channelGroups.size() > 1)) {
channelGroups.pop_back();
}
}
}
int cChannelGroups::GetGroup(const cChannel *channel) {
int channelNumber = channel->Number();
int numGroups = channelGroups.size();
if (numGroups) {
for (int i=0; i<numGroups; i++) {
if ((channelGroups[i].StartChannel() <= channelNumber) && ((channelGroups[i].StopChannel() >= channelNumber))) {
return i;
}
}
}
return -1;
}
const char* cChannelGroups::GetPrev(int group) {
if (group > 0) {
return channelGroups[group-1].GetName();
}
return "";
}
const char* cChannelGroups::GetNext(int group) {
if (group > -1) {
if ((group+1) < (int)channelGroups.size())
return channelGroups[group+1].GetName();
}
return "";
}
int cChannelGroups::GetPrevGroupChannelNumber(const cChannel *channel) {
int currentGroup = GetGroup(channel);
if (currentGroup == -1)
return 0;
if (currentGroup > 0) {
return channelGroups[currentGroup-1].StartChannel();
}
return 0;
}
int cChannelGroups::GetNextGroupChannelNumber(const cChannel *channel) {
int currentGroup = GetGroup(channel);
if (currentGroup == -1)
return 0;
if ((currentGroup+1) < (int)channelGroups.size()) {
return channelGroups[currentGroup+1].StartChannel();
}
return 0;
}
bool cChannelGroups::IsInLastGroup(const cChannel *channel) {
if (!config.hideLastGroup)
return false;
if (channelGroups.size() > 0) {
if (channel->Number() > channelGroups[channelGroups.size()-1].StopChannel()) {
return true;
}
}
return false;
}
void cChannelGroups::DrawChannelGroups(const cChannel *start, const cChannel *stop) {
groupGrids.Clear();
int group = GetGroup(start);
int groupLast = group;
int line = 0;
int lineStart = 0;
#if VDRVERSNUM >= 20301
LOCK_CHANNELS_READ;
for (const cChannel *channel = Channels->Next(start); channel; channel = Channels->Next(channel)) {
#else
for (const cChannel *channel = Channels.Next(start); channel; channel = Channels.Next(channel)) {
#endif
if (channel->GroupSep())
continue;
group = GetGroup(channel);
if (group != groupLast) {
CreateGroupGrid(channelGroups[groupLast].GetName(), group, lineStart, line);
lineStart = line + 1;
}
line++;
groupLast = group;
if (channel == stop) {
CreateGroupGrid(channelGroups[groupLast].GetName(), group+1, lineStart, line);
break;
}
}
}
void cChannelGroups::CreateGroupGrid(const char *name, int number, int start, int end) {
cChannelGroupGrid *groupGrid = new cChannelGroupGrid(name);
groupGrid->SetColor(number%2);
groupGrid->SetBackground();
groupGrid->SetGeometry(start, end);
groupGrid->Draw();
groupGrids.Add(groupGrid);
}
int cChannelGroups::GetLastValidChannel(void) {
if (config.hideLastGroup && channelGroups.size() > 0) {
return channelGroups[channelGroups.size() - 1].StopChannel();
}
#if VDRVERSNUM >= 20301
LOCK_CHANNELS_READ;
return Channels->MaxNumber();
#else
return Channels.MaxNumber();
#endif
}
void cChannelGroups::DumpGroups(void) {
for (std::vector<cChannelGroup>::iterator group = channelGroups.begin(); group!=channelGroups.end(); ++group) {
group->Dump();
}
}