First-run page (revisited)

chrome/content/ui/firstRun.js

Index: chrome/content/ui/firstRun.js
===================================================================
--- a/chrome/content/ui/firstRun.js
+++ b/chrome/content/ui/firstRun.js
@@ -15,8 +15,59 @@
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+(function()
+{
+  var shade;
+  var scrollTimer;
+
+  function onDomReady()
+  {
+    shade = document.getElementById("shade");
+
+    shade.addEventListener("mouseover", scrollPage, false);
+    shade.addEventListener("mouseout", stopScroll, false);
+
+    window.addEventListener('resize', onWindowResize, false);
+    document.addEventListener('scroll', onScroll, false);

[Wladimir Palant, 2013/05/15 12:12:02]

Nit: double quotation marks here and above please.

[Thomas Greiner, 2013/05/23 09:17:21]

Done.

+
+    onWindowResize();
+  }
+
+  function onScroll()
+  {
+    var currentHeight = document.documentElement.scrollTop + document.body.scrollTop + document.documentElement.clientHeight;
+    shade.style.opacity = (document.documentElement.scrollHeight == currentHeight) ? "0.0" : "0.5";
+  }
+
+  function onWindowResize()
+  {
+    onScroll();
+  }
+
+  function scrollPage()
+  {
+    if (scrollTimer)
+      stopScroll();
+
+    scrollTimer = setInterval(function()
+    {
+      window.scrollBy(0, 5);
+    }, 20);
+  }
+
+  function stopScroll()
+  {
+    clearTimeout(scrollTimer);
+    scrollTimer = null;
+  }
+
+  document.addEventListener("DOMContentLoaded", onDomReady, false);
+})();
+
 function init()
 {
+  E("currentVersion").textContent = Prefs.currentVersion;
+  
   generateLinkText(E("changeDescription"));
 
   for each (let subscription in FilterStorage.subscriptions)
@@ -87,3 +138,4 @@
   else
     UI.openFiltersDialog();
 }
+