diff options
-rw-r--r-- | feedlist.js | 21 | ||||
-rw-r--r-- | functions.php | 16 | ||||
-rw-r--r-- | gears_init.js | 87 | ||||
-rw-r--r-- | manifest.json | 18 | ||||
-rw-r--r-- | tt-rss.js | 57 | ||||
-rw-r--r-- | tt-rss.php | 2 | ||||
-rw-r--r-- | viewfeed.js | 155 |
7 files changed, 309 insertions, 47 deletions
diff --git a/feedlist.js b/feedlist.js index 8f1b5efec..582509e40 100644 --- a/feedlist.js +++ b/feedlist.js @@ -30,13 +30,25 @@ function viewCategory(cat) { return false; } +function render_feedlist(data) { + try { + + var f = document.getElementById("feeds-frame"); + f.innerHTML = data; + cache_invalidate("FEEDLIST"); + cache_inject("FEEDLIST", data, getInitParam("num_feeds")); + feedlist_init(); + + } catch (e) { + exception_error("render_feedlist", e); + } +} + function feedlist_callback2(transport) { try { debug("feedlist_callback2"); if (!transport_error_check(transport)) return; - var f = document.getElementById("feeds-frame"); - f.innerHTML = transport.responseText; - feedlist_init(); + render_feedlist(transport.responseText); } catch (e) { exception_error("feedlist_callback2", e); } @@ -257,6 +269,7 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) { f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr); request_counters(); + remove_splash(); } else { @@ -605,6 +618,8 @@ function request_counters_real() { try { + if (offline_mode) return; + debug("requesting counters..."); var query = "backend.php?op=rpc&subop=getAllCounters"; diff --git a/functions.php b/functions.php index 523c74944..80488b09f 100644 --- a/functions.php +++ b/functions.php @@ -3002,12 +3002,28 @@ print "<param key=\"sync_counters\" value=\"1\"/>"; + $result = db_query($link, "SELECT COUNT(*) AS cf FROM + ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]); + + $num_feeds = db_fetch_result($result, 0, "cf"); + + print "<param key=\"num_feeds\" value=\"". + (int)$num_feeds. "\"/>"; + print "</init-params>"; } function print_runtime_info($link) { print "<runtime-info>"; + $result = db_query($link, "SELECT COUNT(*) AS cf FROM + ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]); + + $num_feeds = db_fetch_result($result, 0, "cf"); + + print "<param key=\"num_feeds\" value=\"". + (int)$num_feeds. "\"/>"; + if (ENABLE_UPDATE_DAEMON) { print "<param key=\"daemon_is_running\" value=\"". sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>"; diff --git a/gears_init.js b/gears_init.js new file mode 100644 index 000000000..3462d73e8 --- /dev/null +++ b/gears_init.js @@ -0,0 +1,87 @@ +// Copyright 2007, Google Inc. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// 3. Neither the name of Google Inc. nor the names of its contributors may be +// used to endorse or promote products derived from this software without +// specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Sets up google.gears.*, which is *the only* supported way to access Gears. +// +// Circumvent this file at your own risk! +// +// In the future, Gears may automatically define google.gears.* without this +// file. Gears may use these objects to transparently fix bugs and compatibility +// issues. Applications that use the code below will continue to work seamlessly +// when that happens. + +(function() { + // We are already defined. Hooray! + if (window.google && google.gears) { + return; + } + + var factory = null; + + // Firefox + if (typeof GearsFactory != 'undefined') { + factory = new GearsFactory(); + } else { + // IE + try { + factory = new ActiveXObject('Gears.Factory'); + // privateSetGlobalObject is only required and supported on IE Mobile on + // WinCE. + if (factory.getBuildInfo().indexOf('ie_mobile') != -1) { + factory.privateSetGlobalObject(this); + } + } catch (e) { + // Safari + if ((typeof navigator.mimeTypes != 'undefined') + && navigator.mimeTypes["application/x-googlegears"]) { + factory = document.createElement("object"); + factory.style.display = "none"; + factory.width = 0; + factory.height = 0; + factory.type = "application/x-googlegears"; + document.documentElement.appendChild(factory); + } + } + } + + // *Do not* define any objects if Gears is not installed. This mimics the + // behavior of Gears defining the objects in the future. + if (!factory) { + return; + } + + // Now set up the objects, being careful not to overwrite anything. + // + // Note: In Internet Explorer for Windows Mobile, you can't add properties to + // the window object. However, global objects are automatically added as + // properties of the window object in all browsers. + if (!window.google) { + google = {}; + } + + if (!google.gears) { + google.gears = {factory: factory}; + } +})(); diff --git a/manifest.json b/manifest.json new file mode 100644 index 000000000..6dd6ecc9b --- /dev/null +++ b/manifest.json @@ -0,0 +1,18 @@ +{ + "betaManifestVersion": 1, + "version": "0", + "entries": [ + { "url": "tt-rss.php"}, + { "url": "tt-rss.css"}, + { "url": "viewfeed.js"}, + { "url": "feedlist.js"}, + { "url": "functions.js"}, + { "url": "tt-rss.js"}, + { "url": "lib/scriptaculous/effects.js"}, + { "url": "lib/scriptaculous/controls.js"}, + { "url": "lib/scriptaculous/dragdrop.js"}, + { "url": "lib/scriptaculous/scriptaculous.js"}, + { "url": "lib/prototype.js"}, + { "url": "gears_init.js"} + ] +} @@ -19,6 +19,10 @@ var ver_offset = 0; var hor_offset = 0; var feeds_sort_by_unread = false; var feedlist_sortable_enabled = false; +var offline_mode = false; +var store = false; +var localServer = false; +var db = false; function activeFeedIsCat() { return _active_feed_is_cat; @@ -131,7 +135,11 @@ function backend_sanity_check_callback(transport) { } if (!transport.responseXML) { - fatalError(3, "Sanity check: Received reply is not XML", transport.responseText); + if (!google.gears) { + fatalError(3, "Sanity check: Received reply is not XML", transport.responseText); + } else { + init_offline(); + } return; } @@ -369,6 +377,8 @@ function init() { if (arguments.callee.done) return; arguments.callee.done = true; + init_gears(); + disableContainerChildren("headlinesToolbar", true); Form.disable("main_toolbar_form"); @@ -500,7 +510,14 @@ function init_second_stage() { daemon_refresh_only = getInitParam("daemon_refresh_only") == 1; feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1; - setTimeout('updateFeedList(false, false)', 50); + var fl = cache_find_param("FEEDLIST", getInitParam("num_feeds")); + + if (fl) { + render_feedlist(fl); + request_counters(); + } else { + setTimeout('updateFeedList(false, false)', 50); + } debug("second stage ok"); @@ -720,6 +737,10 @@ 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"); if (icon) { @@ -1451,3 +1472,35 @@ function feedBrowserSubscribe() { } } +function init_gears() { + try { + + if (google.gears) { + localServer = google.gears.factory.create("beta.localserver"); + store = localServer.createManagedStore("tt-rss"); + db = google.gears.factory.create('beta.database'); + db.open('tt-rss'); + + db.execute("CREATE TABLE IF NOT EXISTS cache (id text, article text, param text, added text)"); + } + + cache_expire(); + + } catch (e) { + exception_error("init_gears", e); + } +} + +function init_offline() { + try { + offline_mode = true; + + render_feedlist(cache_find("FEEDLIST")); + document.getElementById("quickMenuChooser").disabled = true; + + remove_splash(); + } catch (e) { + exception_error("init_offline", e); + } +} + diff --git a/tt-rss.php b/tt-rss.php index 4ca516615..09e7d1bc9 100644 --- a/tt-rss.php +++ b/tt-rss.php @@ -49,6 +49,8 @@ <script type="text/javascript" charset="utf-8" src="feedlist.js?<?php echo $dt_add ?>"></script> <script type="text/javascript" charset="utf-8" src="viewfeed.js?<?php echo $dt_add ?>"></script> + <script type="text/javascript" src="gears_init.js"></script> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <script type="text/javascript"> diff --git a/viewfeed.js b/viewfeed.js index 828a2e89c..fd811d7f5 100644 --- a/viewfeed.js +++ b/viewfeed.js @@ -362,14 +362,16 @@ function article_callback2(transport, id, feed_id) { setTimeout('updateFeedList(false, false)', 50); _reload_feedlist_after_view = false; } else { - var counters = transport.responseXML.getElementsByTagName("counters")[0]; + if (transport.responseXML) { + var counters = transport.responseXML.getElementsByTagName("counters")[0]; - if (counters) { - debug("parsing piggybacked counters: " + counters); - parse_counters(counters, false); - } else { - debug("counters container not found in reply, requesting..."); - request_counters(); + if (counters) { + debug("parsing piggybacked counters: " + counters); + parse_counters(counters, false); + } else { + debug("counters container not found in reply, requesting..."); + request_counters(); + } } } @@ -1466,65 +1468,127 @@ function cdmWatchdog() { function cache_inject(id, article, param) { - if (!cache_check_param(id, param)) { - debug("cache_article: miss: " + id + " [p=" + param + "]"); - - var cache_obj = new Array(); - - cache_obj["id"] = id; - cache_obj["data"] = article; - cache_obj["param"] = param; + try { + if (!cache_check_param(id, param)) { + debug("cache_article: miss: " + id + " [p=" + param + "]"); + + + if (db) { - article_cache.push(cache_obj); + var date = new Date(); + var ts = Math.round(date.getTime() / 1000); - } else { - debug("cache_article: hit: " + id + " [p=" + param + "]"); + db.execute("INSERT INTO cache (id, article, param, added) VALUES (?, ?, ?, ?)", + [id, article, param, ts]); + } else { + + var cache_obj = new Array(); + + cache_obj["id"] = id; + cache_obj["data"] = article; + cache_obj["param"] = param; + + article_cache.push(cache_obj); + } + + } else { + debug("cache_article: hit: " + id + " [p=" + param + "]"); + } + } catch (e) { + exception_error("cache_inject", e); } } function cache_find(id) { - for (var i = 0; i < article_cache.length; i++) { - if (article_cache[i]["id"] == id) { - return article_cache[i]["data"]; + + if (db) { + var rs = db.execute("SELECT article FROM cache WHERE id = ?", [id]); + + if (rs.isValidRow()) { + return rs.field(0); + } + + } else { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id) { + return article_cache[i]["data"]; + } } } return false; } function cache_find_param(id, param) { - for (var i = 0; i < article_cache.length; i++) { - if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) { - return article_cache[i]["data"]; + + if (db) { + var rs = db.execute("SELECT article FROM cache WHERE id = ? AND param = ?", + [id, param]); + + if (rs.isValidRow()) { + return rs.field(0); + } + + } else { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) { + return article_cache[i]["data"]; + } } } return false; } function cache_check(id) { - for (var i = 0; i < article_cache.length; i++) { - if (article_cache[i]["id"] == id) { - return true; + + if (db) { + var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ?", + [id]); + + if (rs.isValidRow()) { + return rs.field(0) != "0"; + } + + } else { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id) { + return true; + } } } return false; } function cache_check_param(id, param) { - for (var i = 0; i < article_cache.length; i++) { -// debug("cache_check_param " + article_cache[i]["id"] + ":" + -// article_cache[i]["param"] + " vs " + id + ":" + param); + if (db) { + var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ? AND param = ?", + [id, param]); - if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) { - return true; + if (rs.isValidRow()) { + return rs.field(0) != "0"; + } + + } else { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) { + return true; + } } } return false; } function cache_expire() { - while (article_cache.length > 25) { - article_cache.shift(); + if (db) { + var date = new Date(); + var ts = Math.round(date.getTime() / 1000); + + db.execute("DELETE FROM cache WHERE added < ? - 600", [ts]); + + } else { + while (article_cache.length > 25) { + article_cache.shift(); + } } } @@ -1533,18 +1597,25 @@ function cache_empty() { } function cache_invalidate(id) { - var i = 0 - try { - while (i < article_cache.length) { - if (article_cache[i]["id"] == id) { - debug("cache_invalidate: removed id " + id); - article_cache.splice(i, 1); - return true; + if (db) { + rs = db.execute("DELETE FROM cache WHERE id = ?", [id]); + return rs.rowsAffected != 0; + } else { + + var i = 0 + + while (i < article_cache.length) { + if (article_cache[i]["id"] == id) { + debug("cache_invalidate: removed id " + id); + article_cache.splice(i, 1); + return true; + } + i++; } - i++; } + debug("cache_invalidate: id not found: " + id); return false; } catch (e) { |