\ProvidesFile{authortitle-tcomp.cbx}
[\abx@cbxid]

\RequireCitationStyle{authortitle-comp}
\ExecuteBibliographyOptions{singletitle,uniquename,uniquelist,autocite=inline}

\renewcommand*{\iffinalcitedelim}{%
  \ifnumequal{\value{textcitecount}}{\value{textcitetotal}-1}}

\renewbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\iffieldequals{namehash}{\cbx@lasthash}
       {\setunit{\compcitedelim}%
        \usebibmacro{cite:title}}
       {\ifnameundef{labelname}
          {\usebibmacro{cite:title}}
          {\ifsingletitle
             {\printtext[bibhyperref]{\printnames{labelname}}}
             {\printnames{labelname}%
              \setunit{\printdelim{nametitledelim}}%
              \usebibmacro{cite:title}}}%
        \savefield{namehash}{\cbx@lasthash}}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{\multicitedelim}}

\renewbibmacro*{citetitle}{%
  \iffieldundef{shorthand}
    {\iffieldequals{namehash}{\cbx@lasthash}
       {\setunit{\compcitedelim}}
       {\savefield{namehash}{\cbx@lasthash}}%
     \usebibmacro{cite:title}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{\multicitedelim}}

\renewbibmacro*{textcite}{%
  \iffieldequals{namehash}{\cbx@lasthash}
    {\setunit{\compcitedelim}%
     \iffieldundef{shorthand}
       {\usebibmacro{cite:title}}%
       {\usebibmacro{cite:shorthand}}}
    {\ifnameundef{labelname}
       {\ifnumequal{\value{citecount}}{1}
          {\usebibmacro{prenote}}
          {}%
        \iffieldundef{shorthand}
          {\usebibmacro{cite:title}}%
          {\usebibmacro{cite:shorthand}}}
       {\ifthenelse{\ifsingletitle\AND
                    \(\iffieldundef{prenote}\OR\value{citecount}>1\)}
          {\printtext[bibhyperref]{\printnames{labelname}}}
          {\printnames{labelname}
           \setunit{%
             \global\booltrue{cbx:parens}%
             \printdelim{nametitledelim}\bibopenparen}%
           \ifnumequal{\value{citecount}}{1}
             {\usebibmacro{prenote}}
             {}%
           \iffieldundef{shorthand}
             {\usebibmacro{cite:title}}%
             {\usebibmacro{cite:shorthand}}}}%
     \stepcounter{textcitecount}%
     \savefield{namehash}{\cbx@lasthash}}%
  \setunit{%
    \ifbool{cbx:parens}
      {\bibcloseparen\global\boolfalse{cbx:parens}}
      {}%
    \textcitedelim}}

\renewbibmacro*{textcite:postnote}{%
  \ifbool{cbx:parens}
    {\setunit{\postnotedelim}}
    {\setunit{%
       \global\booltrue{cbx:parens}%
       \extpostnotedelim\bibopenparen}}%
  \printfield{postnote}%
  \ifthenelse{\value{multicitecount}=\value{multicitetotal}}
    {\setunit{}%
     \printtext{%
       \ifbool{cbx:parens}
         {\bibcloseparen\global\boolfalse{cbx:parens}}
         {}}}
    {\setunit{%
       \ifbool{cbx:parens}
         {\bibcloseparen\global\boolfalse{cbx:parens}}
         {}%
       \textcitedelim}}}

\endinput