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-rw-r--r--feedlist.js27
-rw-r--r--functions.js4
-rw-r--r--functions.php4
-rw-r--r--tt-rss.js5
-rw-r--r--viewfeed.js442
5 files changed, 134 insertions, 348 deletions
diff --git a/feedlist.js b/feedlist.js
index fb8a5de28..ab21a30fb 100644
--- a/feedlist.js
+++ b/feedlist.js
@@ -50,15 +50,22 @@ function loadMoreHeadlines() {
function viewfeed(feed, subop, is_cat, offset) {
try {
- if (is_cat == undefined) is_cat = false;
+ if (is_cat == undefined)
+ is_cat = false;
+ else
+ is_cat = !!is_cat;
+
if (subop == undefined) subop = '';
if (offset == undefined) offset = 0;
last_requested_article = 0;
- if (feed == getActiveFeedId()) {
- cache_invalidate("F:" + feed);
- }
+ var cached_headlines = false;
+
+ if (feed == getActiveFeedId())
+ cache_delete("feed:" + feed + ":" + is_cat);
+ else
+ cached_headlines = cache_get("feed:" + feed + ":" + is_cat);
dijit.byId("content-tabs").selectChild(
dijit.byId("content-tabs").getChildren()[0]);
@@ -70,6 +77,15 @@ function viewfeed(feed, subop, is_cat, offset) {
_infscroll_disable = 0;
}
+ if (!offset && !subop && cached_headlines) {
+ try {
+ render_local_headlines(feed, is_cat, JSON.parse(cached_headlines));
+ return;
+ } catch (e) {
+ console.warn("render_local_headlines failed: " + e);
+ }
+ }
+
if (offset != 0 && !subop) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
@@ -283,6 +299,9 @@ function parse_counters(elems, scheduled_call) {
displayNewContentPrompt(id);
}
+ if (getFeedUnread(id, (kind == "cat")) != ctr)
+ cache_delete("feed:" + id + ":" + (kind == "cat"));
+
setFeedUnread(id, (kind == "cat"), ctr);
if (kind != "cat") {
diff --git a/functions.js b/functions.js
index 1a06a9bf3..1fd421809 100644
--- a/functions.js
+++ b/functions.js
@@ -1136,13 +1136,13 @@ function backend_sanity_check_callback(transport) {
}
}
-function has_local_storage() {
+/*function has_local_storage() {
try {
return 'sessionStorage' in window && window['sessionStorage'] != null;
} catch (e) {
return false;
}
-}
+} */
function catSelectOnChange(elem) {
try {
diff --git a/functions.php b/functions.php
index e0b5fc999..bb6164d7b 100644
--- a/functions.php
+++ b/functions.php
@@ -5098,7 +5098,7 @@
$vgroup_last_feed = $vgr_last_feed;
- if (!$offset) {
+// if (!$offset) {
if (db_num_rows($result) > 0) {
$reply['toolbar'] = format_headline_subtoolbar($link, $feed_site_url,
@@ -5106,7 +5106,7 @@
$feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
$last_error);
}
- }
+// }
$headlines_count = db_num_rows($result);
diff --git a/tt-rss.js b/tt-rss.js
index 7987be7ab..c8f4ab83e 100644
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -330,8 +330,7 @@ function init_second_stage() {
loading_set_progress(30);
- if (has_local_storage())
- sessionStorage.clear();
+ cache_clear();
console.log("second stage ok");
@@ -565,12 +564,10 @@ function collapse_feedlist() {
}
function viewModeChanged() {
- cache_flush();
return viewCurrentFeed('')
}
function viewLimitChanged() {
- cache_flush();
return viewCurrentFeed('')
}
diff --git a/viewfeed.js b/viewfeed.js
index 3a21323da..0d20faf81 100644
--- a/viewfeed.js
+++ b/viewfeed.js
@@ -9,14 +9,11 @@ var post_under_pointer = false;
var last_requested_article = false;
-var preload_id_batch = [];
-var preload_timeout_id = false;
-
-var cache_added = [];
-
var catchup_id_batch = [];
var catchup_timeout_id = false;
+var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
+
function headlines_callback2(transport, offset) {
try {
handle_rpc_json(transport);
@@ -138,10 +135,12 @@ function headlines_callback2(transport, offset) {
}
}
+ cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
+
if (articles) {
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i]['id'];
- cache_inject(a_id, articles[i]['content']);
+ cache_set("article:" + a_id, articles[i]['content']);
}
} else {
console.log("no cached articles received");
@@ -210,14 +209,6 @@ function showArticleInHeadlines(id) {
var upd_img_pic = $("FUPDPIC-" + id);
- var cache_prefix = "";
-
- if (activeFeedIsCat()) {
- cache_prefix = "C:";
- } else {
- cache_prefix = "F:";
- }
-
var view_mode = false;
try {
@@ -232,22 +223,10 @@ function showArticleInHeadlines(id) {
upd_img_pic.src = "images/blank_icon.gif";
- cache_invalidate(cache_prefix + getActiveFeedId());
-
- /* cache_inject(cache_prefix + getActiveFeedId(),
- $("headlines-frame").innerHTML,
- getFeedUnread(getActiveFeedId())); */
+ cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
} else if (article_is_unread && view_mode == "all_articles") {
-
- cache_invalidate(cache_prefix + getActiveFeedId());
-
- /* cache_inject(cache_prefix + getActiveFeedId(),
- $("headlines-frame").innerHTML,
- getFeedUnread(getActiveFeedId())-1); */
-
- } else if (article_is_unread) {
- cache_invalidate(cache_prefix + getActiveFeedId());
+ cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
}
markHeadline(id);
@@ -282,7 +261,7 @@ function article_callback2(transport, id) {
if (active_post_id == article['id']) {
render_article(article['content']);
}
- cache_inject(article['id'], article['content']);
+ cache_set("article:" + article['id'], article['content']);
});
} else {
@@ -307,7 +286,7 @@ function view(id) {
try {
console.log("loading article: " + id);
- var cached_article = cache_find(id);
+ var cached_article = cache_get("article:" + id);
console.log("cache check result: " + (cached_article != false));
@@ -322,7 +301,7 @@ function view(id) {
var cids_to_request = Array();
for (var i = 0; i < neighbor_ids.length; i++) {
- if (!cache_check(neighbor_ids[i])) {
+ if (!cache_get("article:" + neighbor_ids[i])) {
cids_to_request.push(neighbor_ids[i]);
}
}
@@ -356,9 +335,9 @@ function view(id) {
query = query + "&mode=prefetch_old";
render_article(cached_article);
- }
+ return; // do not do prefetch_old request
- cache_expire();
+ }
last_requested_article = id;
@@ -606,27 +585,17 @@ function selectionRemoveLabel(id, ids) {
return;
}
-// var ok = confirm(__("Remove selected articles from label?"));
+ var query = "?op=rpc&subop=removeFromLabel&ids=" +
+ param_escape(ids.toString()) + "&lid=" + param_escape(id);
-// if (ok) {
-
- var query = "?op=rpc&subop=removeFromLabel&ids=" +
- param_escape(ids.toString()) + "&lid=" + param_escape(id);
-
- console.log(query);
-
-// notify_progress("Loading, please wait...");
-
- cache_invalidate("F:" + (-11 - id));
-
- new Ajax.Request("backend.php", {
- parameters: query,
- onComplete: function(transport) {
- handle_rpc_json(transport);
- show_labels_in_headlines(transport);
- } });
+ console.log(query);
-// }
+ new Ajax.Request("backend.php", {
+ parameters: query,
+ onComplete: function(transport) {
+ handle_rpc_json(transport);
+ show_labels_in_headlines(transport);
+ } });
} catch (e) {
exception_error("selectionAssignLabel", e);
@@ -644,27 +613,17 @@ function selectionAssignLabel(id, ids) {
return;
}
-// var ok = confirm(__("Assign selected articles to label?"));
-
-// if (ok) {
-
- cache_invalidate("F:" + (-11 - id));
-
- var query = "?op=rpc&subop=assignToLabel&ids=" +
- param_escape(ids.toString()) + "&lid=" + param_escape(id);
-
- console.log(query);
-
-// notify_progress("Loading, please wait...");
+ var query = "?op=rpc&subop=assignToLabel&ids=" +
+ param_escape(ids.toString()) + "&lid=" + param_escape(id);
- new Ajax.Request("backend.php", {
- parameters: query,
- onComplete: function(transport) {
- handle_rpc_json(transport);
- show_labels_in_headlines(transport);
- } });
+ console.log(query);
-// }
+ new Ajax.Request("backend.php", {
+ parameters: query,
+ onComplete: function(transport) {
+ handle_rpc_json(transport);
+ show_labels_in_headlines(transport);
+ } });
} catch (e) {
exception_error("selectionAssignLabel", e);
@@ -959,7 +918,7 @@ function archiveSelection() {
console.log(query);
for (var i = 0; i < rows.length; i++) {
- cache_invalidate(rows[i]);
+ cache_delete("article:" + rows[i]);
}
new Ajax.Request("backend.php", {
@@ -1037,7 +996,7 @@ function editArticleTags(id) {
if (tags) tags.innerHTML = tags_str.content;
if (tooltip) tooltip.attr('label', tags_str.content_full);
- cache_invalidate(id);
+ cache_delete("article:" + id);
}
}});
@@ -1072,274 +1031,16 @@ function cdmScrollToArticleId(id) {
}
}
-function cache_inject(id, article, param) {
-
- try {
- if (!cache_check_param(id, param)) {
- //console.log("cache_article: miss: " + id + " [p=" + param + "]");
-
- var date = new Date();
- var ts = Math.round(date.getTime() / 1000);
-
- var cache_obj = {};
-
- cache_obj["id"] = id;
- cache_obj["data"] = article;
- cache_obj["param"] = param;
-
- if (param) id = id + ":" + param;
-
- cache_added["TS:" + id] = ts;
-
- if (has_local_storage())
- sessionStorage.setItem(id, JSON.stringify(cache_obj));
- else
- article_cache.push(cache_obj);
-
- } else {
- //console.log("cache_article: hit: " + id + " [p=" + param + "]");
- }
- } catch (e) {
- exception_error("cache_inject", e);
- }
-}
-
-function cache_find(id) {
-
- if (has_local_storage()) {
- var cache_obj = sessionStorage.getItem(id);
-
- if (cache_obj) {
- cache_obj = JSON.parse(cache_obj);
-
- if (cache_obj)
- return cache_obj['data'];
- }
-
- } 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) {
-
- if (has_local_storage()) {
-
- if (param) id = id + ":" + param;
-
- var cache_obj = sessionStorage.getItem(id);
-
- if (cache_obj) {
- cache_obj = JSON.parse(cache_obj);
-
- if (cache_obj)
- return cache_obj['data'];
- }
-
- } 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) {
- if (has_local_storage()) {
- if (sessionStorage.getItem(id))
- return true;
- } 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) {
- if (has_local_storage()) {
-
- if (param) id = id + ":" + param;
-
- if (sessionStorage.getItem(id))
- return true;
-
- } 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() {
-if (has_local_storage()) {
-
- var date = new Date();
- var timestamp = Math.round(date.getTime() / 1000);
-
- for (var i = 0; i < sessionStorage.length; i++) {
-
- var id = sessionStorage.key(i);
-
- if (timestamp - cache_added["TS:" + id] > 180) {
- sessionStorage.removeItem(id);
- }
- }
-
- } else {
- while (article_cache.length > 25) {
- article_cache.shift();
- }
- }
-}
-
-function cache_flush() {
- if (has_local_storage()) {
- sessionStorage.clear();
- } else {
- article_cache = new Array();
- }
-}
-
-function cache_invalidate(id) {
- try {
- if (has_local_storage()) {
-
- var found = false;
-
- for (var i = 0; i < sessionStorage.length; i++) {
- var key = sessionStorage.key(i);
-
-// console.warn("cache_invalidate: " + key_id + " cmp " + id);
-
- if (key == id || key.indexOf(id + ":") == 0) {
- sessionStorage.removeItem(key);
- found = true;
- break;
- }
- }
-
- return found;
-
- } else {
- var i = 0
-
- while (i < article_cache.length) {
- if (article_cache[i]["id"] == id) {
- //console.log("cache_invalidate: removed id " + id);
- article_cache.splice(i, 1);
- return true;
- }
- i++;
- }
- }
-
- //console.log("cache_invalidate: id not found: " + id);
- return false;
- } catch (e) {
- exception_error("cache_invalidate", e);
- }
-}
-
function getActiveArticleId() {
return active_post_id;
}
-function preloadBatchedArticles() {
- try {
-
- var query = "?op=rpc&subop=getArticles&ids=" +
- preload_id_batch.toString();
-
- new Ajax.Request("backend.php", {
- parameters: query,
- onComplete: function(transport) {
-
- preload_id_batch = [];
-
- var articles = JSON.parse(transport.responseText);
-
- for (var i = 0; i < articles.length; i++) {
- var id = articles[i]['id'];
- if (!cache_check(id)) {
- cache_inject(id, articles[i]['content']);
- //console.log("preloaded article: " + id);
- }
- }
- } });
-
- } catch (e) {
- exception_error("preloadBatchedArticles", e);
- }
-}
-
-function preloadArticleUnderPointer(id) {
- try {
- if (getInitParam("bw_limit") == "1") return;
-
- if (post_under_pointer == id && !cache_check(id)) {
-
- //console.log("trying to preload article " + id);
-
- var neighbor_ids = getRelativePostIds(id, 1);
-
- /* only request uncached articles */
-
- if (preload_id_batch.indexOf(id) == -1) {
- for (var i = 0; i < neighbor_ids.length; i++) {
- if (!cache_check(neighbor_ids[i])) {
- preload_id_batch.push(neighbor_ids[i]);
- }
- }
- }
-
- if (preload_id_batch.indexOf(id) == -1)
- preload_id_batch.push(id);
-
- //console.log("preload ids batch: " + preload_id_batch.toString());
-
- window.clearTimeout(preload_timeout_id);
- preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
-
- }
- } catch (e) {
- exception_error("preloadArticleUnderPointer", e);
- }
-}
-
function postMouseIn(id) {
- try {
- if (post_under_pointer != id) {
- post_under_pointer = id;
- if (!isCdmMode()) {
- window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
- }
- }
-
- } catch (e) {
- exception_error("postMouseIn", e);
- }
+ post_under_pointer = id;
}
function postMouseOut(id) {
- try {
- post_under_pointer = false;
- } catch (e) {
- exception_error("postMouseOut", e);
- }
+ post_under_pointer = false;
}
function headlines_scroll_handler(e) {
@@ -1692,13 +1393,16 @@ function show_labels_in_headlines(transport) {
if (ctr) ctr.innerHTML = elem.labels;
});
+
+ cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
+
}
} catch (e) {
exception_error("show_labels_in_headlines", e);
}
}
-function toggleHeadlineActions() {
+/* function toggleHeadlineActions() {
try {
var e = $("headlineActionsBody");
var p = $("headlineActionsDrop");
@@ -1716,7 +1420,7 @@ function toggleHeadlineActions() {
} catch (e) {
exception_error("toggleHeadlineActions", e);
}
-}
+} */
/* function publishWithNote(id, def_note) {
try {
@@ -2273,7 +1977,7 @@ function editArticleNote(id) {
var reply = JSON.parse(transport.responseText);
- cache_invalidate(id);
+ cache_delete("article:" + id);
var elem = $("POSTNOTE-" + id);
@@ -2325,3 +2029,69 @@ function player(elem) {
}
}
+function cache_set(id, obj) {
+ console.log("cache_set: " + id);
+ if (has_storage)
+ try {
+ sessionStorage[id] = obj;
+ } catch (e) {
+ if (e == QUOTA_EXCEEDED_ERR)
+ sessionStorage.clear();
+ }
+}
+
+function cache_get(id) {
+ if (has_storage)
+ return sessionStorage[id];
+}
+
+function cache_clear() {
+ if (has_storage)
+ sessionStorage.clear();
+}
+
+function cache_delete(id) {
+ if (has_storage)
+ sessionStorage.removeItem(id);
+}
+
+function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
+ if (toolbar_obj && content_obj) {
+ cache_set("feed:" + feed + ":" + is_cat,
+ JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
+ } else {
+ try {
+ obj = JSON.parse(cache_get("feed:" + feed + ":" + is_cat));
+
+ if (obj) {
+ if (toolbar_obj) obj.toolbar = toolbar_obj;
+ if (content_obj) obj.content = content_obj;
+
+ cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
+ }
+
+ } catch (e) {
+ console.warn("cache_headlines failed: " + e);
+ }
+ }
+}
+
+function render_local_headlines(feed, is_cat, obj) {
+ try {
+
+ dijit.byId("headlines-toolbar").attr('content',
+ obj.toolbar);
+
+ dijit.byId("headlines-frame").attr('content',
+ obj.content);
+
+ dojo.parser.parse('headlines-toolbar');
+
+ $("headlines-frame").scrollTop = 0;
+ selectArticles('none');
+ setActiveFeedId(feed, is_cat);
+ initHeadlinesMenu();
+ } catch (e) {
+ exception_error("render_local_headlines", e);
+ }
+}