Show overview, project, and download links on samples project index pages. Show standard plusone on all samples pages.

Change-Id: I368fe1e0004e623cfbdaa39ff74e82f31c9f95d8
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index c4b81d2..75a8aeb 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -2497,7 +2497,7 @@
 }
 
 /* --------------------------------------------------------------------------
-Styles for samples project trees and code browsing in resources tab 
+Styles for samples browser
 */
 
 #codesample-wrapper {
@@ -2543,6 +2543,30 @@
   display:inline-block;
 }
 
+/*
+Styles for displaying image or video resources in samples browser.
+Resources are marked as no-display if they exceed the size limit.
+*/
+div#codesample-resource img, div#codesample-resource video {
+  border: 1px solid #ececec;
+}
+
+div#codesample-resource.noDisplay div {
+  border: 1px solid #ececec;
+  width:120px;
+  margin-bottom:4px;
+  padding:20px;
+}
+
+div#codesample-resource .noDisplay-message:after {
+  font-style:italic;
+  font-size:12px;
+  content: 'This resource is not available for browsing. To view it, please download the project.';
+}
+
+/*
+Styles for project structure (treeview) page
+*/
 .structure-dir {
 background-image:url(../../assets/images/folder.png);
 background-repeat:no-repeat;
diff --git a/tools/droiddoc/templates-sdk/docpage.cs b/tools/droiddoc/templates-sdk/docpage.cs
index 6faac04..74c7cd2 100644
--- a/tools/droiddoc/templates-sdk/docpage.cs
+++ b/tools/droiddoc/templates-sdk/docpage.cs
@@ -74,11 +74,20 @@
     <?cs /if ?><?cs # end if training ?>
   </div>
   <?cs /if ?>
+<?cs elif:samplesProjectIndex ?>
+  <div id="api-info-block">
+  <div class="sum-details-links">
+  Overview
+  &#124; <a href="<?cs var:toroot ?>samples/<?cs var:projectDir ?>/project.html">Project</a>
+  &#124; <a href="<?cs var:toroot ?>downloads/samples/<?cs var:projectDir ?>.zip">Download</a>
+  </div><!-- end sum-details-links -->
+  </div><!-- end breadcurmb block -->
+  <h1 itemprop="name"><?cs var:projectDir ?></h1>
 <?cs else ?>
   <?cs if:(!fullpage && !header.hide) ?>
     <?cs if:page.landing ?><?cs # header logic for docs that are landing pages ?>
       <div class="landing-banner">
-        <?cs if:page.landing.image ?><?cs # use two-column layout only if there's an image ?>
+        <?cs if:page.landing.image ?><?cs # use two-column layout only if there is an image ?>
         <div class="col-6">
           <img src="<?cs var:toroot ?><?cs var:page.landing.image ?>" alt="" />
         </div>
diff --git a/tools/droiddoc/templates-sdk/sample.cs b/tools/droiddoc/templates-sdk/sample.cs
index 3fed799..3b30349 100644
--- a/tools/droiddoc/templates-sdk/sample.cs
+++ b/tools/droiddoc/templates-sdk/sample.cs
@@ -50,18 +50,37 @@
 <?cs var:summary ?>
 
 <!-- begin file contents -->
-<div id="codesample-wrapper">
-<pre id="codesample-line-numbers" class="no-pretty-print hidden"></pre>
-<pre id="codesample-block"><?cs var:fileContents ?></pre>
-</div>
+
+<?cs # embed image/videos if below maxsize (show message otherwise), else display source code ?>
+<?cs if:resType == "img" ?>
+  <div id="codesample-resource"
+    <?cs if:noDisplay ?>
+      class="noDisplay"><div class="noDisplay-message"></div>
+    <?cs else ?>
+      ><img src="<?cs var:realFile ?>" title="<?cs var:page.title ?>">
+    <?cs /if ?>
+  </div>
+<?cs elif:resType == "video" ?>
+  <div id="codesample-resource"
+    <?cs if:noDisplay ?>
+      class="noDisplay"><div class="noDisplay-message"></div>
+    <?cs else ?>
+      ><video class="play-on-hover" controls style="border:1px solid #ececec;background-color:#f9f9f9;" poster="">
+        <source src="<?cs var:page.title ?>">
+      </video>
+    <?cs /if ?>
+  </div>
+<?cs else ?>
+  <div id="codesample-wrapper">
+    <pre id="codesample-line-numbers" class="no-pretty-print hidden"></pre>
+    <pre id="codesample-block"><?cs var:fileContents ?></pre>
+  </div>
+  <script type="text/javascript">
+  initCodeLineNumbers();
+  </script>
+<?cs /if ?>
 
 <!-- end file contents -->
-<script type="text/javascript">
-  initCodeLineNumbers();
-</script>
-
-
-
 
 <?cs else ?><?cs
   # else, this means it's offline docs,
@@ -69,6 +88,49 @@
 
 <?cs /if ?><?cs # end if/else online docs ?>
 
+      <div class="content-footer <?cs
+                    if:fullpage ?>wrap<?cs
+                    else ?>layout-content-row<?cs /if ?>"
+                    itemscope itemtype="http://schema.org/SiteNavigationElement">
+        <div class="layout-content-col <?cs
+                    if:fullpage ?>col-16<?cs
+                    elif:training||guide ?>col-8<?cs
+                    else ?>col-9<?cs /if ?>" style="padding-top:4px">
+          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
+            <div class="g-plusone" data-size="medium"></div>
+          <?cs /if ?>
+        </div>
+        <?cs if:!fullscreen ?>
+        <div class="paging-links layout-content-col col-4">
+          <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
+            <a href="#" class="prev-page-link hide"
+                zh-tw-lang="上一堂課"
+                zh-cn-lang="上一课"
+                ru-lang="Предыдущий"
+                ko-lang="이전"
+                ja-lang="前へ"
+                es-lang="Anterior"
+                >Previous</a>
+            <a href="#" class="next-page-link hide"
+                zh-tw-lang="下一堂課"
+                zh-cn-lang="下一课"
+                ru-lang="Следующий"
+                ko-lang="다음"
+                ja-lang="次へ"
+                es-lang="Siguiente"
+                >Next</a>
+          <?cs /if ?>
+        </div>
+        <?cs /if ?>
+      </div>
+
+      <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
+      <?cs if:training && !page.article ?>
+      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
+          <a href="#" class="next-class-link hide">Next class: </a>
+      </div>
+      <?cs /if ?>
+
   </div> <!-- end jd-content -->
 
 <?cs include:"footer.cs" ?>
diff --git a/tools/droiddoc/templates-sdk/sampleindex.cs b/tools/droiddoc/templates-sdk/sampleindex.cs
index 8db15c4..92985c5 100644
--- a/tools/droiddoc/templates-sdk/sampleindex.cs
+++ b/tools/droiddoc/templates-sdk/sampleindex.cs
@@ -78,6 +78,48 @@
           so don't show src links (we dont have the pages!) ?>
 
 <?cs /if ?><?cs # end if/else online docs ?>
+      <div class="content-footer <?cs
+                    if:fullpage ?>wrap<?cs
+                    else ?>layout-content-row<?cs /if ?>"
+                    itemscope itemtype="http://schema.org/SiteNavigationElement">
+        <div class="layout-content-col <?cs
+                    if:fullpage ?>col-16<?cs
+                    elif:training||guide ?>col-8<?cs
+                    else ?>col-9<?cs /if ?>" style="padding-top:4px">
+          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
+            <div class="g-plusone" data-size="medium"></div>
+          <?cs /if ?>
+        </div>
+        <?cs if:!fullscreen ?>
+        <div class="paging-links layout-content-col col-4">
+          <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
+            <a href="#" class="prev-page-link hide"
+                zh-tw-lang="上一堂課"
+                zh-cn-lang="上一课"
+                ru-lang="Предыдущий"
+                ko-lang="이전"
+                ja-lang="前へ"
+                es-lang="Anterior"
+                >Previous</a>
+            <a href="#" class="next-page-link hide"
+                zh-tw-lang="下一堂課"
+                zh-cn-lang="下一课"
+                ru-lang="Следующий"
+                ko-lang="다음"
+                ja-lang="次へ"
+                es-lang="Siguiente"
+                >Next</a>
+          <?cs /if ?>
+        </div>
+        <?cs /if ?>
+      </div>
+
+      <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
+      <?cs if:training && !page.article ?>
+      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
+          <a href="#" class="next-class-link hide">Next class: </a>
+      </div>
+      <?cs /if ?>
 
   </div> <!-- end jd-content -->