mirror of
https://projects.vdr-developer.org/git/vdr-plugin-streamdev.git
synced 2023-10-10 19:16:51 +02:00
430 lines
13 KiB
C
430 lines
13 KiB
C
#include <vdr/channels.h>
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#include "server/menuHTTP.h"
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//**************************** cChannelIterator **************
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cChannelIterator::cChannelIterator(cChannel *First): channel(First)
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{}
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const cChannel* cChannelIterator::Next()
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{
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const cChannel *current = channel;
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channel = NextChannel(channel);
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return current;
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}
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//**************************** cListAll **************
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cListAll::cListAll(): cChannelIterator(Channels.First())
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{}
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const cChannel* cListAll::NextChannel(const cChannel *Channel)
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{
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if (Channel)
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Channel = Channels.Next(Channel);
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return Channel;
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}
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//**************************** cListChannels **************
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cListChannels::cListChannels(): cChannelIterator(Channels.Get(Channels.GetNextNormal(-1)))
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{}
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const cChannel* cListChannels::NextChannel(const cChannel *Channel)
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{
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if (Channel)
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Channel = Channels.Get(Channels.GetNextNormal(Channel->Index()));
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return Channel;
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}
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// ********************* cListGroups ****************
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cListGroups::cListGroups(): cChannelIterator(Channels.Get(Channels.GetNextGroup(-1)))
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{}
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const cChannel* cListGroups::NextChannel(const cChannel *Channel)
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{
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if (Channel)
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Channel = Channels.Get(Channels.GetNextGroup(Channel->Index()));
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return Channel;
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}
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//
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// ********************* cListGroup ****************
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cListGroup::cListGroup(const cChannel *Group): cChannelIterator((Group && Group->GroupSep() && Channels.Next(Group) && !Channels.Next(Group)->GroupSep()) ? Channels.Next(Group) : NULL)
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{}
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const cChannel* cListGroup::NextChannel(const cChannel *Channel)
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{
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if (Channel)
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Channel = Channels.Next(Channel);
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return (Channel && !Channel->GroupSep()) ? Channel : NULL;
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}
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//
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// ********************* cListTree ****************
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cListTree::cListTree(const cChannel *SelectedGroup): cChannelIterator(Channels.Get(Channels.GetNextGroup(-1)))
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{
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selectedGroup = SelectedGroup;
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currentGroup = Channels.Get(Channels.GetNextGroup(-1));
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}
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const cChannel* cListTree::NextChannel(const cChannel *Channel)
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{
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if (currentGroup == selectedGroup)
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{
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if (Channel)
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Channel = Channels.Next(Channel);
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if (Channel && Channel->GroupSep())
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currentGroup = Channel;
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}
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else
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{
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if (Channel)
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Channel = Channels.Get(Channels.GetNextGroup(Channel->Index()));
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currentGroup = Channel;
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}
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return Channel;
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}
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// ******************** cChannelList ******************
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cChannelList::cChannelList(cChannelIterator *Iterator) : iterator(Iterator)
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{}
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cChannelList::~cChannelList()
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{
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delete iterator;
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}
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int cChannelList::GetGroupIndex(const cChannel *Group)
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{
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int index = 0;
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for (int curr = Channels.GetNextGroup(-1); curr >= 0; curr = Channels.GetNextGroup(curr))
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{
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if (Channels.Get(curr) == Group)
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return index;
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index++;
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}
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return -1;
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}
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const cChannel* cChannelList::GetGroup(int Index)
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{
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int group = Channels.GetNextGroup(-1);
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while (Index-- && group >= 0)
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group = Channels.GetNextGroup(group);
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return group >= 0 ? Channels.Get(group) : NULL;
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}
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// ******************** cHtmlChannelList ******************
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const char* cHtmlChannelList::menu =
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"[<a href=\"/\">Home</a> (<a href=\"all.html\" tvid=\"RED\">no script</a>)] "
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"[<a href=\"tree.html\" tvid=\"GREEN\">Tree View</a>] "
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"[<a href=\"groups.html\" tvid=\"YELLOW\">Groups</a> (<a href=\"groups.m3u\">Playlist</a>)] "
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"[<a href=\"channels.html\" tvid=\"BLUE\">Channels</a> (<a href=\"channels.m3u\">Playlist</a>)] ";
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const char* cHtmlChannelList::css =
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"<style type=\"text/css\">\n"
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"<!--\n"
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"a:link, a:visited, a:hover, a:active, a:focus { color:#333399; }\n"
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"body { font:100% Verdana, Arial, Helvetica, sans-serif; background-color:#9999FF; margin:1em; }\n"
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".menu { position:fixed; top:0px; left:1em; right:1em; height:3em; text-align:center; background-color:white; border:inset 2px #9999ff; }\n"
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"h2 { font-size:150%; margin:0em; padding:0em 1.5em; }\n"
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".contents { margin-top:5em; background-color:white; }\n"
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".group { background:url(data:image/gif;base64,R0lGODdhAQAeAIQeAJub/5yc/6Cf/6Oj/6am/6qq/66u/7Gx/7S0/7i4/7u8/7+//8LD/8bG/8nK/83N/9HQ/9TU/9fX/9va/97e/+Lh/+Xl/+no/+3t//Dw//Pz//b3//v7//7+/////////ywAAAAAAQAeAAAFGCAQCANRGAeSKAvTOA8USRNVWReWaRvXhQA7) repeat-x; border:inset 2px #9999ff; }\n"
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".items { border-top:dashed 1px; margin-top:0px; margin-bottom:0px; padding:0.7em 5em; }\n"
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".apid { padding-left:28px; margin:0.5em; background:url(data:image/gif;base64,R0lGODlhGwASAKEBAAAAAP///////////yH5BAEKAAEALAAAAAAbABIAAAJAjI+pywj5WgPxVAmpNRcHqnGb94FPhE7m+okts7JvusSmSys2iLv6TstldjMfhhUkcXi+zjFUVFo6TiVVij0UAAA7) no-repeat; }\n"
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".dpid { padding-left:28px; margin:0.5em; background:url(data:image/gif;base64,R0lGODlhGwASAKEBAAAAAP///////////yH5BAEKAAEALAAAAAAbABIAAAJFjI+py+0BopwAUoqivRvr83UaZ4RWMnVoBbLZaJbuqcCLGcv0+t5Vvgu2hLrh6pfDzVSpnlGEbAZhnIutZaVmH9yuV1EAADs=) no-repeat; }\n"
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"button { width:2em; margin:0.2em 0.5em; vertical-align:top; }\n"
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"-->\n"
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"</style>";
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const char* cHtmlChannelList::js =
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"<script language=\"JavaScript\">\n"
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"<!--\n"
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"function eventTarget(evt) {\n"
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" if (!evt) evt = window.event;\n"
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" if (evt.target) return evt.target;\n"
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" else if (evt.srcElement) return evt.srcElement;\n"
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" else return null;\n"
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"}\n"
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// toggle visibility of a group
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"function clickHandler(evt) {\n"
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" var button = eventTarget(evt);\n"
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" if (button) {\n"
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" var group = document.getElementById('c' + button.id);\n"
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" if (group) {\n"
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" button.removeChild(button.firstChild);\n"
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" if (group.style.display == 'block') {\n"
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" button.appendChild(document.createTextNode(\"+\"));\n"
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" group.style.display = 'none';\n"
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" } else {\n"
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" button.appendChild(document.createTextNode(\"-\"));\n"
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" group.style.display = 'block';\n"
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" }\n"
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" }\n"
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" }\n"
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"}\n"
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// insert a click button infront of each h2 and an id to the corresponding list
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"function init() {\n"
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" var titles = document.getElementsByTagName('h2');\n"
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" for (var i = 0; i < titles.length; i++) {\n"
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" var button = document.createElement('button');\n"
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" button.id = 'g' + i;\n"
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" button.onclick = clickHandler;\n"
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" button.appendChild(document.createTextNode('+'));\n"
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" titles[i].insertBefore(button, titles[i].firstChild);\n"
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" var group = titles[i].nextSibling;\n"
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" while (group) {\n"
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" if (group.className && group.className == 'items') {\n"
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" group.id = 'cg' + i;\n"
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" break;\n"
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" }\n"
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" group = group.nextSibling;\n"
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" }\n"
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" }\n"
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"}\n"
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"window.onload = init;\n"
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// hide lists before the browser renders it
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"if (document.styleSheets[0].insertRule)\n"
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" document.styleSheets[0].insertRule('.items { display:none }', 0);\n"
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"else if (document.styleSheets[0].addRule)\n"
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" document.styleSheets[0].addRule('.items', 'display:none');\n"
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"//-->\n"
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"</script>";
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std::string cHtmlChannelList::StreamTypeMenu()
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{
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std::string typeMenu;
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typeMenu += (streamType == stTS ? (std::string) "[TS] " :
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(std::string) "[<a href=\"/TS/" + self + "\">TS</a>] ");
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typeMenu += (streamType == stPS ? (std::string) "[PS] " :
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(std::string) "[<a href=\"/PS/" + self + "\">PS</a>] ");
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typeMenu += (streamType == stPES ? (std::string) "[PES] " :
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(std::string) "[<a href=\"/PES/" + self + "\">PES</a>] ");
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typeMenu += (streamType == stES ? (std::string) "[ES] " :
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(std::string) "[<a href=\"/ES/" + self + "\">ES</a>] ");
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typeMenu += (streamType == stExtern ? (std::string) "[Extern] " :
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(std::string) "[<a href=\"/Extern/" + self + "\">Extern</a>] ");
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return typeMenu;
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}
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cHtmlChannelList::cHtmlChannelList(cChannelIterator *Iterator, eStreamType StreamType, const char *Self, const char *GroupTarget): cChannelList(Iterator)
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{
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streamType = StreamType;
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self = strdup(Self);
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groupTarget = (GroupTarget && *GroupTarget) ? strdup(GroupTarget) : NULL;
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htmlState = hsRoot;
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current = NULL;
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}
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cHtmlChannelList::~cHtmlChannelList()
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{
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free((void *) self);
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free((void *) groupTarget);
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}
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bool cHtmlChannelList::HasNext()
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{
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return htmlState != hsPageBottom;
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}
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std::string cHtmlChannelList::Next()
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{
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switch (htmlState)
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{
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case hsRoot:
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htmlState = hsHtmlHead;
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break;
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case hsHtmlHead:
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htmlState = hsCss;
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break;
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case hsCss:
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htmlState = *self ? hsPageTop : hsJs;
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break;
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case hsJs:
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htmlState = hsPageTop;
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break;
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case hsPageTop:
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current = NextChannel();
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htmlState = current ? (current->GroupSep() ? hsGroupTop : hsPlainTop) : hsPageBottom;
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break;
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case hsPlainTop:
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htmlState = hsPlainItem;
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break;
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case hsPlainItem:
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current = NextChannel();
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htmlState = current && !current->GroupSep() ? hsPlainItem : hsPlainBottom;
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break;
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case hsPlainBottom:
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htmlState = current ? hsGroupTop : hsPageBottom;
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break;
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case hsGroupTop:
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current = NextChannel();
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htmlState = current && !current->GroupSep() ? hsItemsTop : hsGroupBottom;
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break;
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case hsItemsTop:
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htmlState = hsItem;
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break;
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case hsItem:
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current = NextChannel();
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htmlState = current && !current->GroupSep() ? hsItem : hsItemsBottom;
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break;
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case hsItemsBottom:
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htmlState = hsGroupBottom;
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break;
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case hsGroupBottom:
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htmlState = current ? hsGroupTop : hsPageBottom;
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break;
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case hsPageBottom:
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default:
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esyslog("streamdev-server cHtmlChannelList: invalid call to Next()");
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break;
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}
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switch (htmlState)
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{
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// NOTE: JavaScript requirements:
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// Group title is identified by <h2> tag
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// Channel list must be a sibling of <h2> with class "items"
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case hsHtmlHead: return "<html><head>" + HtmlHead();
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case hsCss: return css;
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case hsJs: return js;
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case hsPageTop: return "</head><body>" + PageTop() + "<div class=\"contents\">";
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case hsGroupTop: return "<div class=\"group\"><h2>" + GroupTitle() + "</h2>";
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case hsItemsTop:
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case hsPlainTop: return "<ol class=\"items\">";
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case hsItem:
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case hsPlainItem: return ItemText();
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case hsItemsBottom:
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case hsPlainBottom: return "</ol>";
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case hsGroupBottom: return "</div>";
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case hsPageBottom: return "</div>" + PageBottom() + "</body></html>";
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default: return "";
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}
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}
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std::string cHtmlChannelList::HtmlHead()
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{
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return (std::string) "";
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}
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std::string cHtmlChannelList::PageTop()
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{
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return (std::string) "<div class=\"menu\"><div>" + menu + "</div><div>" + StreamTypeMenu() + "</div></div>";
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}
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std::string cHtmlChannelList::PageBottom()
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{
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return (std::string) "";
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}
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std::string cHtmlChannelList::GroupTitle()
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{
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if (groupTarget)
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{
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return (std::string) "<a href=\"" + groupTarget + "?group=" +
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(const char*) itoa(cChannelList::GetGroupIndex(current)) +
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"\">" + current->Name() + "</a>";
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}
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else
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{
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return (std::string) current->Name();
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}
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}
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std::string cHtmlChannelList::ItemText()
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{
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std::string line;
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std::string suffix;
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switch (streamType) {
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case stTS: suffix = (std::string) ".ts"; break;
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case stPS: suffix = (std::string) ".vob"; break;
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// for Network Media Tank
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case stPES: suffix = (std::string) ".vdr"; break;
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default: suffix = "";
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}
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line += (std::string) "<li value=\"" + (const char*) itoa(current->Number()) + "\">";
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line += (std::string) "<a href=\"" + (std::string) current->GetChannelID().ToString() + suffix + "\"";
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// for Network Media Tank
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line += (std::string) " vod ";
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if (current->Number() < 1000)
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line += (std::string) " tvid=\"" + (const char*) itoa(current->Number()) + "\"";
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line += (std::string) ">" + current->Name() + "</a>";
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int count = 0;
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for (int i = 0; current->Apid(i) != 0; ++i, ++count)
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;
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for (int i = 0; current->Dpid(i) != 0; ++i, ++count)
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;
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if (count > 1)
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{
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int index = 1;
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for (int i = 0; current->Apid(i) != 0; ++i, ++index) {
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line += (std::string) " <a href=\"" + (std::string) current->GetChannelID().ToString() +
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"+" + (const char*)itoa(index) + suffix + "\" class=\"apid\" vod>" + current->Alang(i) + "</a>";
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}
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for (int i = 0; current->Dpid(i) != 0; ++i, ++index) {
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line += (std::string) " <a href=\"" + (std::string) current->GetChannelID().ToString() +
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"+" + (const char*)itoa(index) + suffix + "\" class=\"dpid\" vod>" + current->Dlang(i) + "</a>";
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}
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}
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line += "</li>";
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return line;
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}
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// ******************** cM3uChannelList ******************
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cM3uChannelList::cM3uChannelList(cChannelIterator *Iterator, const char* Base)
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: cChannelList(Iterator),
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m_IConv(cCharSetConv::SystemCharacterTable(), "UTF-8")
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{
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base = strdup(Base);
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m3uState = msFirst;
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}
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cM3uChannelList::~cM3uChannelList()
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{
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free(base);
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}
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bool cM3uChannelList::HasNext()
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{
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return m3uState != msLast;
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}
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std::string cM3uChannelList::Next()
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{
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if (m3uState == msFirst)
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{
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m3uState = msContinue;
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return "#EXTM3U";
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}
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const cChannel *channel = NextChannel();
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if (!channel)
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{
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m3uState = msLast;
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return "";
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}
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std::string name = (std::string) m_IConv.Convert(channel->Name());
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if (channel->GroupSep())
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{
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return (std::string) "#EXTINF:0," + name + "\r\n" +
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base + "group.m3u?group=" +
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(const char*) itoa(cChannelList::GetGroupIndex(channel));
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}
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else
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{
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return (std::string) "#EXTINF:0," +
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(const char*) itoa(channel->Number()) + " " + name + "\r\n" +
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base + (std::string) channel->GetChannelID().ToString();
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}
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}
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