2010-02-25 Alexander Pavlov <apavlov@chromium.org>

        Reviewed by Pavel Feldman.

        Javascript console should not attempt to scroll to end of console if console is not visible

        https://bugs.webkit.org/show_bug.cgi?id=22992

        * inspector/front-end/ConsoleView.js:
        (WebInspector.ConsoleView.prototype._scheduleScrollIntoView.scrollIntoView):
        (WebInspector.ConsoleView.prototype._scheduleScrollIntoView):
        (WebInspector.ConsoleView.prototype.addMessage):

Canonical link: https://commits.webkit.org/46556@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@55255 268f45cc-cd09-0410-ab3c-d52691b4dbfc

WebCore/ChangeLog

@@ -1,3 +1,16 @@
+2010-02-25  Alexander Pavlov  <apavlov@chromium.org>
+
+        Reviewed by Pavel Feldman.
+
+        Javascript console should not attempt to scroll to end of console if console is not visible
+
+        https://bugs.webkit.org/show_bug.cgi?id=22992
+
+        * inspector/front-end/ConsoleView.js:
+        (WebInspector.ConsoleView.prototype._scheduleScrollIntoView.scrollIntoView):
+        (WebInspector.ConsoleView.prototype._scheduleScrollIntoView):
+        (WebInspector.ConsoleView.prototype.addMessage):
+
 2010-02-25  Alexey Proskuryakov  <ap@apple.com>
 
         Qt and Gtk build fixes.

WebCore/inspector/front-end/ConsoleView.js

@@ -215,6 +215,19 @@ WebInspector.ConsoleView.prototype = {
         this.toggleConsoleButton.title = WebInspector.UIString("Show console.");
     },
 
+    _scheduleScrollIntoView: function()
+    {
+        if (this._scrollIntoViewTimer)
+            return;
+
+        function scrollIntoView()
+        {
+            this.promptElement.scrollIntoView(false);
+            delete this._scrollIntoViewTimer;
+        }
+        this._scrollIntoViewTimer = setTimeout(scrollIntoView.bind(this), 20);
+    },
+
     addMessage: function(msg)
     {
         if (msg instanceof WebInspector.ConsoleMessage && !(msg instanceof WebInspector.ConsoleCommandResult)) {
@@ -256,7 +269,7 @@ WebInspector.ConsoleView.prototype = {
             this.currentGroup.addMessage(msg);
         }
 
-        this.promptElement.scrollIntoView(false);
+        this._scheduleScrollIntoView();
     },
 
     updateMessageRepeatCount: function(count)