offline: implement infinite scrolling

diff --git a/offline.js b/offline.js
index 089a96f8440e08be0ad17c09d592b470e02cb8f5..268369e2154e1f5431323592891ab22d9da85925 100644 (file)
--- a/offline.js
+++ b/offline.js
@@ -99,8 +99,6 @@ function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, off
                } catch (e) { };
 
 
-               var container = document.getElementById("headlines-frame");
-
                var tmp = "";
 
                rs = db.execute("SELECT title FROM feeds WHERE id = ?", [feed_id]);
@@ -156,6 +154,7 @@ function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, off
                        var limit_qpart = "";
                        var strategy_qpart = "";
                        var mode_qpart = "";
+                       var offset_qpart = "";
 
                        if (limit != 0) {
                                limit_qpart = "LIMIT " + limit;
@@ -183,17 +182,24 @@ function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, off
                                strategy_qpart = "marked = 1";
                        } else if (feed_id == -4) {
                                strategy_qpart = "1";
-                       }                               
+                       }
+
+                       if (offset > 0) {
+                               offset_qpart = "OFFSET " + (offset*30);
+                       } else {
+                               offset_qpart = "";
+                       }
 
                        var query = "SELECT * FROM articles WHERE " +
                                strategy_qpart +
                                " AND " + mode_qpart + 
                                " ORDER BY updated DESC "+
-                               limit_qpart;
+                               limit_qpart + " " +
+                               offset_qpart;
 
                        var rs = db.execute(query);
 
-                       var line_num = 0;
+                       var line_num = offset*30;
 
                        while (rs.isValidRow()) {
 
@@ -264,11 +270,13 @@ function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, off
                        }
        
                        if (offset == 0) {
+                               var container = document.getElementById("headlines-frame");
                                container.innerHTML = tmp;
                        } else {
                                var ids = getSelectedArticleIds2();
                
-                               //container.innerHTML = container.innerHTML + tmp;
+                               var container = document.getElementById("headlinesList");
+                               container.innerHTML = container.innerHTML + tmp;
        
                                for (var i = 0; i < ids.length; i++) {
                                        markHeadline(ids[i]);