Add some MathJax checks and AMSmath support

Former-commit-id: 0aa283e8a81ccef805a5291ce542fadcd046cf5b [formerly 8035fadee8e63ab5cc921bbdc36305b0f10bffd8]
Former-commit-id: a9c67045928e431a5b849de4c68ce589c8069564

KiwixWebApp.jsproj.user

@@ -21,6 +21,6 @@
     <WindowsPhoneEmulatorID>F0AB49D8-754C-4531-A635-E6B4395FD39A;Mobile Emulator 10.0.15063.0 QHD 5.2 inch 3GB</WindowsPhoneEmulatorID>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <DebuggerFlavor>AppHostDeviceDebugger</DebuggerFlavor>
+    <DebuggerFlavor>AppHostLocalDebugger</DebuggerFlavor>
   </PropertyGroup>
 </Project>

bin/Release/AppX/vs.appxrecipe

@@ -32,7 +32,7 @@
     <AppXManifest Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\bin\Release\AppxManifest.xml">
       <PackagePath>AppxManifest.xml</PackagePath>
       <ReRegisterAppIfChanged>true</ReRegisterAppIfChanged>
-      <Modified>2017-08-07T05:59:43.248</Modified>
+      <Modified>2017-08-07T07:17:46.496</Modified>
     </AppXManifest>
   </ItemGroup>
   <ItemGroup>
@@ -531,7 +531,7 @@
     </AppxPackagedFile>
     <AppxPackagedFile Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\www\js\app.js">
       <PackagePath>www\js\app.js</PackagePath>
-      <Modified>2017-08-07T05:50:10.176</Modified>
+      <Modified>2017-08-07T06:45:19.435</Modified>
     </AppxPackagedFile>
     <AppxPackagedFile Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\www\js\init.js">
       <PackagePath>www\js\init.js</PackagePath>
@@ -603,7 +603,7 @@
     </AppxPackagedFile>
     <AppxPackagedFile Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\www\js\MathJax\config\config.js">
       <PackagePath>www\js\MathJax\config\config.js</PackagePath>
-      <Modified>2017-08-05T18:18:34.635</Modified>
+      <Modified>2017-08-07T07:17:27.329</Modified>
     </AppxPackagedFile>
     <AppxPackagedFile Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\www\js\MathJax\extensions\a11y\accessibility-menu.js">
       <PackagePath>www\js\MathJax\extensions\a11y\accessibility-menu.js</PackagePath>
@@ -1456,7 +1456,7 @@
     <AppxPackagedFile Include="C:\Users\geoff\Source\Repos\kiwix-js-windows\bin\Release\ReverseMap\resources.pri">
       <PackagePath>resources.pri</PackagePath>
       <ReRegisterAppIfChanged>true</ReRegisterAppIfChanged>
-      <Modified>2017-08-07T05:58:16.299</Modified>
+      <Modified>2017-08-07T06:40:52.194</Modified>
     </AppxPackagedFile>
   </ItemGroup>
   <ItemGroup>

bin/Release/AppX/www/js/MathJax/config/config.js

@@ -1,6 +1,9 @@
 MathJax.Hub.Config({
   extensions: ["tex2jax.js"],
   jax: ["input/TeX", "output/HTML-CSS"],
+  TeX: {
+	extensions: ["AMSmath.js", "AMSsymbols.js"]
+  },
   "HTML-CSS": {
     availableFonts: ["TeX"],
     imageFont: null
@@ -11,9 +14,3 @@ MathJax.Hub.Config({
    showLocale: false
   }
 });
-function Typeset(element) {
-    MathJax.Hub.Queue(["Typeset", MathJax.Hub, element]);
-}
-function Configured() {
-    MathJax.Hub.Configured();
-}

bin/Release/AppX/www/js/app.js

@@ -1320,8 +1320,9 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies','abstractFiles
                     //TESTING
                     if (countImages <= maxVisibleSliceSize + prefetchSliceSize) { console.timeEnd("Time to Document Ready"); }
 
+                    if (svgSlice.length) {
                         //Use the MathJax method of typesetting formulae if user has requested this
-                    if (params['useMathJax']) {
+                        if (params['useMathJax'] && window.frames[0].MathJax) {
                             var counter = 0;
                             $(svgSlice).each(function () {
                                 var node = this;
@@ -1340,6 +1341,7 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies','abstractFiles
                             });
                             window.frames[0].MathJax.Hub.Queue(["Typeset", window.frames[0].MathJax.Hub]);
                         }
+                    }
                     //If there are any SVGs left which were not dealt with by MathJax, process fallback images
                     if (svgSlice.length) {
                         console.log("** Slicing " + svgSlice.length + " SVG images...");

www/js/MathJax/config/config.js

@@ -1,6 +1,9 @@
 MathJax.Hub.Config({
   extensions: ["tex2jax.js"],
   jax: ["input/TeX", "output/HTML-CSS"],
+  TeX: {
+	extensions: ["AMSmath.js", "AMSsymbols.js"]
+  },
   "HTML-CSS": {
     availableFonts: ["TeX"],
     imageFont: null
@@ -11,9 +14,3 @@ MathJax.Hub.Config({
    showLocale: false
   }
 });
-function Typeset(element) {
-    MathJax.Hub.Queue(["Typeset", MathJax.Hub, element]);
-}
-function Configured() {
-    MathJax.Hub.Configured();
-}

www/js/app.js

@@ -1322,7 +1322,7 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies','abstractFiles
 
                     if (svgSlice.length) {
                         //Use the MathJax method of typesetting formulae if user has requested this
-                        if (params['useMathJax']) {
+                        if (params['useMathJax'] && window.frames[0].MathJax) {
                             var counter = 0;
                             $(svgSlice).each(function () {
                                 var node = this;