Fix YouTube display for Help online/offline

+ Enhance button CSS display
+ Refactor XSLT
+ Refactor XHP

Change-Id: I58e46c31a97ad49eb25a4489994aae5dac62dbc3
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/134207
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

2 files changed, 56 insertions, 2 deletions

diff --git a/help3xsl/default.css b/help3xsl/default.css
index bc053cc704..69d86fb2ce 100644
--- a/help3xsl/default.css
+++ b/help3xsl/default.css
@@ -397,6 +397,54 @@ h6 {
 [data-a11y-toggle]:not([aria-controls]) {
   display: none;
 }
+/* You Tube matters */
+.youtube_placeholder{
+    border: 1px solid #eee;
+    max-width:700px;
+    padding: 10px;
+    background-color: #eee;
+    text-align: center;
+}
+.youtube_button {
+  appearance: none;
+  backface-visibility: hidden;
+  background-color: #27ae60;
+  border-radius: 8px;
+  border-style: none;
+  box-shadow: rgba(39, 174, 96, .15) 0 4px 9px;
+  box-sizing: border-box;
+  color: #fff;
+  cursor: pointer;
+  display: inline-block;
+  font-size: 16px;
+  font-weight: 600;
+  letter-spacing: normal;
+  line-height: 1.5;
+  outline: none;
+  overflow: hidden;
+  padding: 13px 20px;
+  position: relative;
+  text-align: center;
+  text-decoration: none;
+  transform: translate3d(0, 0, 0);
+  transition: all .3s;
+  user-select: none;
+  -webkit-user-select: none;
+  touch-action: manipulation;
+  vertical-align: top;
+  white-space: nowrap;
+}
+.youtube_button:hover {
+  background-color: #1e8449;
+  opacity: 1;
+  transform: translateY(0);
+  transition-duration: .35s;
+  box-shadow: rgba(39, 174, 96, .2) 0 6px 12px;
+}
+.youtube_button:active {
+  transform: translateY(2px);
+  transition-duration: .35s;
+}
 
 #langs-nav:not([aria-hidden='true']), #modules-nav:not([aria-hidden='true']) {
     z-index: 100;
diff --git a/help3xsl/online_transform.xsl b/help3xsl/online_transform.xsl
index a9c47ae1e5..a9de0d4f5a 100644
--- a/help3xsl/online_transform.xsl
+++ b/help3xsl/online_transform.xsl
@@ -109,6 +109,9 @@
 <xsl:variable name ="ui_search"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='searchhelpcontents']"/></xsl:variable>
 <xsl:variable name ="ui_copyclip"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='copyclip']"/></xsl:variable>
 <xsl:variable name ="ytvideobutton"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='ytbutton']"/></xsl:variable>
+<xsl:variable name ="ytaccept"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='ytaccept']"/></xsl:variable>
+<xsl:variable name ="ytpromovideoH2"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='externalvideo']"/></xsl:variable>
+<xsl:variable name ="ytprivacy"><xsl:apply-templates select="$tmp_doc_ui//variable[@id='ytprivacy']"/></xsl:variable>
 <!--
 #############
 # Templates #
@@ -1281,8 +1284,11 @@
     <xsl:variable name="auxID" select="concat('obj',generate-id())"/>
     <xsl:choose>
         <xsl:when test="starts-with(@type,'video/youtube')">
-            <div id="{@id}" class="youtube_placeholder" style="border: 1px solid #eee; max-width:500px; padding: 10px;">
-                <button style="background-color: red;" onClick="youtubeLoader('{@id}', 700, 394)" >
+            <div id="{@id}" class="youtube_placeholder">
+                <h2 id="promovideoH2"><xsl:value-of select="$ytpromovideoH2"/></h2>
+                <p><xsl:value-of select="$ytaccept"/></p>
+                <p><a href="https://policies.google.com/privacy" target="_blank"><xsl:value-of select="$ytprivacy"/></a></p>
+                <button class="youtube_button" onClick="youtubeLoader('{@id}', 700, 394)" >
                     <xsl:value-of select="$ytvideobutton"/>
                 </button>
             </div>