%%
%% This is file `beamerouterthememetropolis.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% beamerouterthememetropolis.dtx  (with options: `package')
%% ---------------------------------------------------------------------------
%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
%% contributors can be found at
%% 
%%     https://github.com/matze/mtheme/graphs/contributors
%% 
%% and the original template was based on the HSRM theme by Benjamin Weiss.
%% 
%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
%% ---------------------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerouterthememetropolis}
    [2015/06/12 A Modern Beamer Theme]
\RequirePackage{etoolbox}
\RequirePackage{calc}
\RequirePackage{pgfopts}
\pgfkeys{
  /metropolis/outer/numbering/.cd,
    .is choice,
    none/.code=\setbeamertemplate{frame numbering}[none],
    counter/.code=\setbeamertemplate{frame numbering}[counter],
    fraction/.code=\setbeamertemplate{frame numbering}[fraction],
}
\pgfkeys{
  /metropolis/outer/progressbar/.cd,
    .is choice,
    none/.code={%
      \setbeamertemplate{headline}[plain]
      \setbeamertemplate{frametitle}[plain]
      \setbeamertemplate{footline}[plain]
    },
    head/.code={\pgfkeys{/metropolis/outer/progressbar=none}
      \addtobeamertemplate{headline}{}{\usebeamertemplate*{progress bar in head/foot}}
    },
    frametitle/.code={\pgfkeys{/metropolis/outer/progressbar=none}
      \addtobeamertemplate{frametitle}{}{\usebeamertemplate*{progress bar in head/foot}}
    },
    foot/.code={\pgfkeys{/metropolis/outer/progressbar=none}
      \addtobeamertemplate{footline}{}{\usebeamertemplate*{progress bar in head/foot}}
    },
}
\pgfkeys{
  /metropolis/outer/frametitleformat/.cd,
    .is choice,
    regular/.code={%
       \renewcommand{\@metropolis@frametitleformat}{}%
       \renewcommand{\@metropolis@frametitlestrut}{%
           \rule{0pt}{\heightof{ABCDEFGHIJKLMNOPQRSTUVWXYZ}}
       }
       },
    lowercase/.code={%
       \renewcommand{\@metropolis@frametitleformat}{\MakeLowercase}%
       \renewcommand{\@metropolis@frametitlestrut}{%
           \rule{0pt}{\heightof{abcdefghijklmnopqrstuvwxyz}}
       }
       },
    uppercase/.code={%
       \renewcommand{\@metropolis@frametitleformat}{\MakeUppercase}%
       \renewcommand{\@metropolis@frametitlestrut}{%
           \rule{0pt}{\heightof{ABCDEFGHIJKLMNOPQRSTUVWXYZ}}
       }
       },
}
\newcommand{\@metropolis@outer@setdefaults}{
  \pgfkeys{/metropolis/outer/.cd,
    numbering=counter,
    progressbar=none,
    frametitleformat=lowercase,
  }
}
\setbeamertemplate{navigation symbols}{}
\defbeamertemplate{frame numbering}{none}{}
\defbeamertemplate{frame numbering}{counter}{\insertframenumber}
\defbeamertemplate{frame numbering}{fraction}{
  \insertframenumber/\inserttotalframenumber
}
\defbeamertemplate{headline}{plain}{}
\defbeamertemplate{footline}{plain}{%
  \begin{beamercolorbox}[wd=\textwidth, sep=3ex]{footline}%
    \hfill%
    \usebeamerfont{page number in head/foot}%
    \usebeamertemplate*{frame numbering}
  \end{beamercolorbox}%
}
\def\@metropolis@frametitleformat#1{#1}
\patchcmd{\beamer@@frametitle}
  {\beamer@ifempty{#2}{}{%
      \gdef\insertframetitle{{#2\ifnum\beamer@autobreakcount>0\relax{}\space\usebeamertemplate*{frametitle continuation}\fi}}%
    \gdef\beamer@frametitle{#2}%
    \gdef\beamer@shortframetitle{#1}%
    }}
  {\beamer@ifempty{#2}{}{%
      \gdef\insertframetitle{{\@metropolis@frametitleformat{#2}\ifnum\beamer@autobreakcount>0\relax{}\space\usebeamertemplate*{frametitle continuation}\fi}}%
    \gdef\beamer@frametitle{#2}%
    \gdef\beamer@shortframetitle{#1}%
    }}
  {}
  {\PackageError{beamerouterthememetropolis}{Patching frame title failed.}}
\newlength{\@metropolis@frametitlestrut}
\defbeamertemplate{frametitle}{plain}{%
  \nointerlineskip%
  \begin{beamercolorbox}[%
      wd=\paperwidth,%
      sep=1.5ex,%
    ]{frametitle}%
  \@metropolis@frametitlestrut\insertframetitle\@metropolis@frametitlestrut%
  \end{beamercolorbox}%
}
\newlength{\metropolis@progressinheadfoot}
\setbeamertemplate{progress bar in head/foot}{
  \nointerlineskip
  \setlength{\metropolis@progressinheadfoot}{%
    \paperwidth * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
  }%
  \begin{beamercolorbox}[wd=\paperwidth]{progress bar in head/foot}
    \begin{tikzpicture}
      \draw[bg, fill=bg] (0,0) rectangle (\paperwidth, 0.4pt);
      \draw[fg, fill=fg] (0,0) rectangle (\metropolis@progressinheadfoot, 0.4pt);
    \end{tikzpicture}%
  \end{beamercolorbox}
}
\@metropolis@outer@setdefaults
\ProcessPgfPackageOptions{/metropolis/outer}
\endinput
%%
%% End of file `beamerouterthememetropolis.sty'.
