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%%
%% This is file `ltx4yt.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ltx4yt.dtx  (with options: `copyright,package')
%% 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% ltx4yt.sty package,                                  %%
%% Copyright (C) 2020                                   %%
%%   dpstory@uakron.edu                                 %%
%%                                                      %%
%% This program can redistributed and/or modified under %%
%% the terms of the LaTeX Project Public License        %%
%% Distributed from CTAN archives in directory          %%
%% macros/latex/base/lppl.txt; either version 1 of the  %%
%% License, or (at your option) any later version.      %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\NeedsTeXFormat{LaTeX2e}[1997/12/01]
\ProvidesPackage{ltx4yt}
 [2020/07/30 v0.7 ltx4yt: Play YouTube videos in the default browser (dps)]
\RequirePackage{xkeyval}
\DeclareOption{usepopup}{\def\lo@dpu{\InputIfFileExists{ytpu.def}
  {\PackageInfo{ltx4yt}{Loading ytpu.def}}
  {\PackageInfo{ltx4yt}{Can't find ytpu.def}}}}
\DeclareOption{!usepopup}{}
\let\lo@dpu\relax
\AtEndOfPackage{\lo@dpu}
\ProcessOptions
\RequirePackage{xcolor}
\RequirePackage{eforms}
\ifx\lo@dpu\relax\else
\def\YT@rpPU{\RequirePackage{popupmenu}[2020/07/26]}\expandafter
\YT@rpPU\fi
\newcommand{\ytvIdPresets}[1]{\def\yt@vIdPresets{#1}}
\definecolor{webbrown}{rgb}{.6,0,0} % from the web package
\ytvIdPresets{\linktxtcolor{webbrown}}
\providecommand{\URI}[1]{/S/URI/URI(#1)}
\def\ytNF{false}
\def\ytURL{https://www.youtube.com}
\newcommand{\ytvId}{\@ifstar{\def\yt@ask{*}\yt@@vId}
  {\let\yt@ask\@empty\yt@@vId}}
\newcommand{\yt@@vId}[3][]{%
  \ifx\yt@ask\@empty
    \def\yt@lnk@hash{embed/#2}\else
    \def\yt@lnk@hash{watch?v=#2}\fi
  \setLink[\presets{\yt@vIdPresets}#1
    \A{\URI{\ytURL/\yt@lnk@hash}}]{#3}%
}
\newcommand{\ytvIdML}{\@ifstar{\def\yt@ask{*}\yt@@vIdML}
  {\let\yt@ask\@empty\yt@@vIdML}}
\newcommand{\yt@@vIdML}[3][]{%
  \ifx\yt@ask\@empty
    \def\yt@lnk@hash{embed/#2}\else
    \def\yt@lnk@hash{watch?v=#2}\fi
  \mlsetLink[\presets{\yt@vIdPresets}#1
    \A{\URI{\ytURL/\yt@lnk@hash}}]{#3}%
}
\newif\ifytwatch \ytwatchfalse
\def\yt@@parse{\let\ytspec\@empty\yt@parse}
\def\yt@parse{\@ifnextchar\@nil{\@gobble}{\yt@parsei}}
\def\yt@parsei{\@ifnextchar\watchId{% check for \watchId
  \ytwatchtrue\yt@parse@watch}{\yt@parseii}}
\def\yt@parse@watch\watchId#1{\g@addto@macro
  \ytspec{\watchId{#1}}\yt@parse}
\def\yt@parseii{\@ifnextchar\embedId{% check for \embedId
  \yt@parse@embedId}{\yt@parseiii}}
\def\yt@parse@embedId\embedId#1{\g@addto@macro
  \ytspec{\embedId{#1}}\yt@parse}
\def\yt@parseiii{\@ifnextchar\embed{% check for \embed
  \yt@parse@embed}{\yt@parseiv}}
\def\yt@parse@embed\embed#1{\g@addto@macro
  \ytspec{\embed{#1}}\yt@parse}
\def\yt@parseiv{\@ifnextchar\params{% check for \params
  \yt@parse@params}{\yt@parsev}}
\def\yt@parse@params\params#1{\ifytwatch
  \g@addto@macro\ytspec{&#1}\else
  \g@addto@macro\ytspec{?#1}\fi
  \yt@parse}
\def\yt@parsev#1\@nil{\g@addto@macro\ytspec{#1}}
\newcommand{\ytLink}[3][]{\begingroup
  \def\embedId##1{embed/##1}%
  \def\params##1{##1}\def\embed##1{embed?##1}%
  \def\watchId##1{watch?v=##1}\def\channel##1{c/##1}%
  \def\user##1{user/##1}%
  \yt@@parse#2\@nil % returns arg in \ytspec
  \def\URLArg{\ytURL/\ytspec}%
  \setLink[\presets{\yt@vIdPresets}#1\A{\URI{\URLArg}}
  ]{#3}\endgroup
}
\newcommand{\ytLinkML}[3][]{\begingroup
  \def\embedId##1{embed/##1}%
  \def\params##1{##1}\def\embed##1{embed?##1}%
  \def\watchId##1{watch?v=##1}\def\channel##1{c/##1}%
  \def\user##1{user/##1}%
  \yt@@parse#2\@nil % returns arg in \ytspec
  \def\URLArg{\ytURL/\ytspec}%
  \mlsetLink[\presets{\yt@vIdPresets}#1
    \A{\URI{\URLArg}}
  ]{#3}\endgroup
}
\newcommand{\ytComboList}[4][]{%
  \comboBox[\Ff{\FfCommitOnSelChange}\DV{\yt@pl@def}\V{\yt@pl@def}
    \presets{\yt@ComboListPresets}#1]{ytSelect#2}
  {#3}{#4}{*\yt@pl@pl}% 2020/07/22 v0.4
}
\newcommand{\ytStrPLAY}{PLAY}
\newcommand{\ytComboBtn}[4][]{%
  \pushButton[\TU{Click to play}\CA{\ytStrPLAY}
    \presets{\yt@ComboBtnPresets}#1
    \A{\JS{var f=this.getField("ytSelect#2");\r
    var ytID=f.value;\r
    var i=f.currentValueIndices;\r
    var ytFV=f.getItemAt(i,false);\r
    var i=ytFV.indexOf("*");\r
    if ( i == -1 )\r\t
      app.launchURL("\ytURL/embed/"+ytID,\ytNF);\r
    else\r\t
      app.launchURL("\ytURL/watch?v="+ytID,\ytNF);
  }}]{ytSelectBtn#2}{#3}{#4}%
}
\newcommand{\ytPlayList}{\begingroup\@makeother\_\@makeother\'
    \ytPlayList@i}
\def\ytPlayList@i#1#2{\gdef\yt@pl@def{#1}\xdef\yt@pl@pl{#2}\endgroup}
\newcommand{\ytComboListPresets}[1]{\def\yt@ComboListPresets{#1}}
\let\yt@ComboListPresets\@empty
\newcommand{\ytComboBtnPresets}[1]{\def\yt@ComboBtnPresets{#1}}
\let\yt@ComboBtnPresets\@empty
\newcommand{\ytIdTitle}[2]{[(#2)(#1)]}
\newcommand{\declarePlayList}[1]{\bgroup
  \Hy@unicodefalse
  \let\pl@yList\@empty
  \ifpdfmarkup
    \def\Esc{\eqbs}\else\def\Esc{}\fi
  \def\cs##1{\eqbs\eqbs##1}\relax
  \@makeother\_\@makeother\-
  \yt@declarePlayList{#1}%
}
\def\yt@declarePlayList#1#2{%
  \yt@declarePlayList@i#2\@nil\relax\relax
  \toks@=\expandafter{\pl@yList}\relax
  \xdef#1{\pl@yList}\egroup
}
\def\yt@declarePlayList@i{\@ifnextchar\@nil
  {\expandafter\@gobbletwo\@gobble}
  {\yt@declarePlayList@ii}%
}
\def\yt@declarePlayList@ii\ytIdTitle#1#2{%
  \pdfstringdef\yt@PLTitle{#1}%
  \edef\y{[(#2)(\yt@PLTitle)]}%
  \expandafter\g@addto@macro\expandafter
    \pl@yList\expandafter{\y}%
  \yt@declarePlayList@i
}
\newcommand{\ytInputQuery}[3][]{%
  \textField[\TU{Enter a query text string}#1]{ytSearchTxt}{#2}{#3}}
\newcommand{\ytSearch}[3][]{%
  \pushButton[\CA{Search}#1\AAmouseup{%
    var f=this.getField("ytSearchTxt");\r
    var v=f.value;\r
    if ( v.replace(/\string\s/g,"") != "" )\r\t
      app.launchURL("\ytURL/embed?listType=search&list="+v);}
  ]{ytSearchBtn}{#2}{#3}}
\newcommand{\ytClearQuery}[3][]{%
  \pushButton[\CA{Clear}#1
    \AAmouseup{this.resetForm("ytSearchTxt");}
  ]{ytSearchClr}{#2}{#3}%
}
\endinput
%%
%% End of file `ltx4yt.sty'.