use local version of webfonts in preview

src/cpp/session/modules/presentation/SessionPresentation.cpp

@@ -211,6 +211,20 @@ std::string mathjaxLocal(const std::string& mathjax)
         "mathjax");
 }
 
+void setLocalWebFonts(std::map<std::string,std::string>* pVars)
+{
+   (*pVars)["news_cycle_webfont_url"] = "revealjs/fonts/NewsCycle.css";
+   (*pVars)["lato_webfont_url"] = "revealjs/fonts/Lato.css";
+}
+
+void setRemoteWebFonts(std::map<std::string,std::string>* pVars)
+{
+   (*pVars)["news_cycle_webfont_url"] =
+     "http://fonts.googleapis.com/css?family=News+Cycle:400,700";
+   (*pVars)["lato_webfont_url"] =
+     "http://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic";
+}
+
 void handleRangeRequest(const FilePath& targetFile,
                         const http::Request& request,
                         http::Response* pResponse)
@@ -453,6 +467,9 @@ void handlePresentationPaneRequest(const http::Request& request,
          vars["reveal_head_js"] = revealEmbed("revealjs/lib/js/head.min.js");
          vars["reveal_js"] = revealEmbed("revealjs/js/reveal.min.js");
 
+         // webfonts w/ remote url
+         setRemoteWebFonts(&vars);
+
          // mathjax w/ remote url
          vars["mathjax"] = mathjaxIfRequired(slides);
 
@@ -482,6 +499,9 @@ void handlePresentationPaneRequest(const http::Request& request,
          vars["reveal_head_js"] = revealLink("revealjs/lib/js/head.min.js");
          vars["reveal_js"] = revealLink("revealjs/js/reveal.js");
 
+         // webfonts local
+         setLocalWebFonts(&vars);
+
          // mathjax local
          vars["mathjax"] = mathjaxLocal(vars["mathjax"]);
 

src/cpp/session/resources/presentation/revealjs/css/theme/simple.css

@@ -1,5 +1,3 @@
-@import url(http://fonts.googleapis.com/css?family=News+Cycle:400,700);
-@import url(http://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
 /**
  * A simple theme for reveal.js presentations, similar 
  * to the default theme. The accent color is darkblue.

src/cpp/session/resources/presentation/revealjs/fonts/Lato.css

@@ -0,0 +1,24 @@
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url('Lato-Regular.ttf') format('truetype');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url('Lato-Bold.ttf') format('truetype');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url('Lato-Italic.ttf') format('truetype');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url('Lato-BoldItalic.ttf') format('truetype');
+}

src/cpp/session/resources/presentation/revealjs/fonts/NewsCycle.css

@@ -0,0 +1,12 @@
+@font-face {
+  font-family: 'News Cycle';
+  font-style: normal;
+  font-weight: 400;
+  src: local('News Cycle Regular'), local('NewsCycle-Regular'), url('NewsCycle-Regular.ttf') format('truetype');
+}
+@font-face {
+  font-family: 'News Cycle';
+  font-style: normal;
+  font-weight: 700;
+  src: local('News Cycle Bold'), local('NewsCycle-Bold'), url('NewsCycle-Bold.ttf') format('truetype');
+}

src/cpp/session/resources/presentation/slides.html

@@ -5,6 +5,12 @@
   <meta charset="utf-8">
   <title>#!title#</title>
 
+  <!-- web fonts -->
+  <style type="text/css">
+     @import url('#!news_cycle_webfont_url#');
+     @import url('#!lato_webfont_url#');
+  </style>    
+
   <!-- reveal.js -->
   #!reveal_css#
   #!reveal_theme_css#