offline: try to keep local server info ready for offline mode

[tt-rss.git] / tt-rss.js

diff --git a/tt-rss.js b/tt-rss.js
index 17e33bf85f723ac35df41593b1f5e4fd3e96ab14..f6eea6661ea35575aa69d71ad12cf3ebeeec03f5 100644 (file)
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -1,3 +1,4 @@
+
 var total_unread = 0;
 var first_run = true;
 var display_tags = false;
@@ -64,7 +65,7 @@ function toggleTags(show_all) {
 
        debug("toggleTags: " + show_all + "; " + display_tags);
 
-       var p = document.getElementById("dispSwitchPrompt");
+       var p = $("dispSwitchPrompt");
 
        if (!show_all && !display_tags) {
                displayDlg("printTagCloud");
@@ -88,7 +89,7 @@ function toggleTags(show_all) {
 
 function dlg_frefresh_callback(transport, deleted_feed) {
        if (getActiveFeedId() == deleted_feed) {
-               var h = document.getElementById("headlines-frame");
+               var h = $("headlines-frame");
                if (h) {
                        h.innerHTML = "<div class='whiteBox'>" + __('No feed selected.') + "</div>";
                }
@@ -131,8 +132,14 @@ function backend_sanity_check_callback(transport) {
                }
 
                if (!transport.responseXML) {
-                       fatalError(3, "Sanity check: Received reply is not XML", transport.responseText);
-                       return;
+                       if (!store) {
+                               fatalError(3, "Sanity check: Received reply is not XML", 
+                                       transport.responseText);
+                               return;
+                       } else {
+                               init_offline();
+                               return;
+                       }
                }
 
                var reply = transport.responseXML.firstChild.firstChild;
@@ -161,6 +168,13 @@ function backend_sanity_check_callback(transport) {
                                var v = param.getAttribute("value");
                                debug(k + " => " + v);
                                init_params[k] = v;                                     
+
+                               if (db) {
+                                       db.execute("DELETE FROM init_params WHERE key = ?", [k]);
+                                       db.execute("INSERT INTO init_params (key,value) VALUES (?, ?)",
+                                               [k, v]);
+                               }
+
                                param = param.nextSibling;
                        }
                }
@@ -226,6 +240,8 @@ function updateFeedList(silent, fetch) {
 
        debug("<b>updateFeedList</b>");
 
+       if (offline_mode) return render_offline_feedlist();
+
        var query_str = "backend.php?op=feeds";
 
        if (display_tags) {
@@ -242,7 +258,7 @@ function updateFeedList(silent, fetch) {
        
        if (fetch) query_str = query_str + "&fetch=yes";
 
-//     var feeds_frame = document.getElementById("feeds-frame");
+//     var feeds_frame = $("feeds-frame");
 //     feeds_frame.src = query_str;
 
        debug("updateFeedList Q=" + query_str);
@@ -306,7 +322,7 @@ function timeout() {
 }
 
 function resetSearch() {
-       var searchbox = document.getElementById("searchbox")
+       var searchbox = $("searchbox")
 
        if (searchbox.value != "" && getActiveFeedId()) {       
                searchbox.value = "";
@@ -369,6 +385,8 @@ function init() {
                if (arguments.callee.done) return;
                arguments.callee.done = true;           
 
+               init_gears();
+
                disableContainerChildren("headlinesToolbar", true);
 
                Form.disable("main_toolbar_form");
@@ -401,12 +419,12 @@ function resize_headlines(delta_x, delta_y) {
 
                debug("resize_headlines: " + delta_x + ":" + delta_y);
        
-               var h_frame = document.getElementById("headlines-frame");
-               var c_frame = document.getElementById("content-frame");
-               var f_frame = document.getElementById("footer");
-               var feeds_frame = document.getElementById("feeds-holder");
-               var resize_grab = document.getElementById("resize-grabber");
-               var resize_handle = document.getElementById("resize-handle");
+               var h_frame = $("headlines-frame");
+               var c_frame = $("content-frame");
+               var f_frame = $("footer");
+               var feeds_frame = $("feeds-holder");
+               var resize_grab = $("resize-grabber");
+               var resize_handle = $("resize-handle");
 
                if (!c_frame || !h_frame) return;
        
@@ -500,6 +518,19 @@ function init_second_stage() {
                daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
                feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
 
+/*             var fl = cache_find_param("FEEDLIST", getInitParam("num_feeds"));
+
+               if (fl) {
+                       render_feedlist(fl);
+                       if ($("feedList")) {
+                               request_counters();
+                       } else {
+                               setTimeout('updateFeedList(false, false)', 50);
+                       }
+               } else {
+                       setTimeout('updateFeedList(false, false)', 50);
+               } */
+
                setTimeout('updateFeedList(false, false)', 50);
 
                debug("second stage ok");
@@ -520,13 +551,15 @@ function init_second_stage() {
 
                resize_headlines();
 
+               enable_offline_reading();
+
        } catch (e) {
                exception_error("init_second_stage", e);
        }
 }
 
 function quickMenuChange() {
-       var chooser = document.getElementById("quickMenuChooser");
+       var chooser = $("quickMenuChooser");
        var opid = chooser[chooser.selectedIndex].value;
 
        chooser.selectedIndex = 0;
@@ -720,8 +753,12 @@ function parse_runtime_info(elem) {
 
                debug("RI: " + k + " => " + v);
 
+               if (k == "num_feeds") {
+                       init_params[k] = v;                                     
+               }
+
                if (k == "new_version_available") {
-                       var icon = document.getElementById("newVersionIcon");
+                       var icon = $("newVersionIcon");
                        if (icon) {
                                if (v == "1") {
                                        icon.style.display = "inline";
@@ -747,7 +784,7 @@ function parse_runtime_info(elem) {
                        notify('');
                }
 
-/*             var w = document.getElementById("noDaemonWarning");
+/*             var w = $("noDaemonWarning");
                
                if (w) {
                        if (k == "daemon_is_running" && v != 1) {
@@ -877,13 +914,13 @@ function collapse_feedlist() {
                if (theme != "" && theme != "compact" && theme != "graycube" &&
                                theme != "compat") return;
 
-               var fl = document.getElementById("feeds-holder");
-               var fh = document.getElementById("headlines-frame");
-               var fc = document.getElementById("content-frame");
-               var ft = document.getElementById("toolbar");
-               var ff = document.getElementById("footer");
-               var fhdr = document.getElementById("header");
-               var fbtn = document.getElementById("collapse_feeds_btn");
+               var fl = $("feeds-holder");
+               var fh = $("headlines-frame");
+               var fc = $("content-frame");
+               var ft = $("toolbar");
+               var ff = $("footer");
+               var fhdr = $("header");
+               var fbtn = $("collapse_feeds_btn");
 
                if (!Element.visible(fl)) {
                        Element.show(fl);
@@ -997,7 +1034,7 @@ function hotkey_handler(e) {
                var keycode;
                var shift_key = false;
 
-               var feedlist = document.getElementById('feedList');
+               var feedlist = $('feedList');
 
                try {
                        shift_key = e.shiftKey;
@@ -1178,7 +1215,7 @@ function hotkey_handler(e) {
                        if (keycode == 9) { // tab
                                var id = getArticleUnderPointer();
                                if (id) {                               
-                                       var cb = document.getElementById("RCHK-" + id);
+                                       var cb = $("RCHK-" + id);
 
                                        if (cb) {
                                                cb.checked = !cb.checked;
@@ -1451,3 +1488,4 @@ function feedBrowserSubscribe() {
        }
 }
 
+