rework version checking

functions.php

@@ -3199,15 +3199,12 @@
 			}
 		}
 
-		if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
-			
-			if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
+		if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
 				$new_version_details = @check_for_update($link);
 
-				$data['new_version_available'] = (int) $new_version_details != "";
+				$data['new_version_available'] = (int) ($new_version_details != false);
 
 				$_SESSION["last_version_check"] = time();
-			}
 		}
 
 		return $data;
@@ -3913,62 +3910,22 @@
 	}
 
 	function check_for_update($link) {
-		$releases_feed = "http://tt-rss.org/releases.rss";
-
-		if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
-			return;
-		}
-
-		if (DEFAULT_UPDATE_METHOD == "1") {
-			$rss = new SimplePie();
-			$rss->set_useragent(SELF_USER_AGENT);
-			$rss->set_feed_url($fetch_url);
-			$rss->set_output_encoding('UTF-8');
-			$rss->init();
-		} else {
-			$rss = fetch_rss($releases_feed);
-		}
-
-		if ($rss) {
-
-			if (DEFAULT_UPDATE_METHOD == "1") {
-				$items = $rss->get_items();
-			} else {
-				$items = $rss->items;
-
-				if (!$items || !is_array($items)) $items = $rss->entries;
-				if (!$items || !is_array($items)) $items = $rss;
-			}
+		if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
+			$version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
 
-			if (!is_array($items) || count($items) == 0) {
-				return;
-			}			
+			$version_data = @fetch_file_contents($version_url);
 
-			$latest_item = $items[0];
+			if ($version_data) {
+				$version_data = json_decode($version_data, true);
+				if ($version_data && $version_data['version']) {	
 
-			if (DEFAULT_UPDATE_METHOD == "1") {
-				$last_title = $latest_item->get_title();
-			} else {
-				$last_title = $latest_item["title"];
-			}
-
-			$latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
-
-			if (DEFAULT_UPDATE_METHOD == "1") {
-				$release_url = sanitize_rss($link, $latest_item->get_link());
-				$content = sanitize_rss($link, $latest_item->get_description());
-			} else {
-				$release_url = sanitize_rss($link, $latest_item["link"]);
-				$content = sanitize_rss($link, $latest_item["description"]);
+					if (version_compare(VERSION, $version_data['version']) == -1) {
+						return $version_data['version'];
+					}
+				}
 			}
-
-			if (version_compare(VERSION, $latest_version) == -1) {
-				return sprintf("New version of Tiny-Tiny RSS (%s) is available:", 
-					$latest_version)."<div class='milestoneDetails'>$content</div>";
-			} else {
-				return false;
-			}	
 		}
+		return false;
 	}
 
 	function markArticlesById($link, $ids, $cmode) {

modules/popup-dialog.php

@@ -217,17 +217,6 @@
 
 			}
 
-			if ($param == 2) {
-				$msg = check_for_update($link);
-
-				if (!$msg) {
-					print __("You are running the latest version of Tiny Tiny RSS. The fact that you are seeing this dialog is probably a bug.");
-				} else {
-					print $msg;
-				}
-
-			}
-
 			if ($param == 3) {
 				print __("Update daemon is taking too long to perform a feed update. This could indicate a problem like crash or a hang. Please check the daemon process or contact instance owner.");
 
@@ -241,7 +230,7 @@
 			
 			print "<div align='center'>";
 
-			print "<button onclick=\"return closeInfoBox()\"".
+			print "<button onclick=\"return closeInfoBox()\">".
 				__('Close this window')."</button>";
 
 			print "</div>";
@@ -777,6 +766,26 @@
 			//return;
 		}
 
+		if ($id == "newVersion") {
+			$version = check_for_update($link);
+
+			$version_link = "<a class=\"visibleLink\" target=\"_blank\" 
+				href=\"http://tt-rss.org\">http://tt-rss.org</a>";
+
+			print "<div class='tagCloudContainer'>";
+
+			print T_sprintf("New version of Tiny Tiny RSS is available (%s).<br/>Visit %s for more information.", "<b>$version</b>", $version_link);
+
+			print "</div>";
+
+			print "<div style='text-align : center'>";
+			print "<button dojoType=\"dijit.form.Button\" 
+				onclick=\"return dijit.byId('newVersionDlg').hide()\">".
+				__('Close this window')."</button>";
+			print "</div>";
+
+		}
+
 		print "</dlg>";	
 	}
 ?>

tt-rss.css

@@ -1096,6 +1096,7 @@ div.topLinks {
 	float : right;
 	color : gray;
 	font-size : 12px;
+	line-height : 120%;
 }
 
 div.topLinks a {
@@ -1646,3 +1647,10 @@ a.bookmarklet {
 	border : 1px solid #ecf4ff;
 	padding : 2px;
 }
+
+#newVersionIcon {
+	margin-left : 5px;
+	vertical-align : middle;
+	position : relative;
+	top : -1px;
+}

tt-rss.js

@@ -1107,3 +1107,24 @@ function scheduleFeedUpdate(id, is_cat) {
 		exception_error("scheduleFeedUpdate", e);
 	}
 }
+
+function newVersionDlg() {
+	try {
+		var query = "backend.php?op=dlg&id=newVersion";
+
+		if (dijit.byId("newVersionDlg"))
+			dijit.byId("newVersionDlg").destroyRecursive();
+
+		dialog = new dijit.Dialog({
+			id: "newVersionDlg",
+			title: __("New version available!"),
+			style: "width: 600px",
+			href: query,
+		});
+
+		dialog.show();
+
+	} catch (e) {
+		exception_error("newVersionDlg", e);
+	}
+}

tt-rss.php

@@ -107,7 +107,7 @@
 			| <a href="logout.php"><?php echo __('Logout') ?></a>
 	<?php } ?>
 
-	<img id="newVersionIcon" style="display:none;" onclick="javascript:explainError(2)" 
+	<img id="newVersionIcon" style="display:none;" onclick="newVersionDlg()" 
 		width="13" height="13" 
 		src="<?php echo theme_image($link, 'images/new_version.png') ?>"
 		title="<?php echo __('New version of Tiny Tiny RSS is available!') ?>"