implement random precaching of unread feeds on timer

master
Andrew Dolgov 13 years ago
parent 29465278c5
commit 452e75cc94

@ -19,10 +19,10 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
getItemById: function(id) {
return this.store._itemsByIdentity[id];
},
getFeedValue: function(feed, is_cat, key) {
getFeedValue: function(feed, is_cat, key) {
if (!this.store._itemsByIdentity) return undefined;
if (is_cat)
if (is_cat)
treeItem = this.store._itemsByIdentity['CAT:' + feed];
else
treeItem = this.store._itemsByIdentity['FEED:' + feed];
@ -30,7 +30,7 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
if (treeItem)
return this.store.getValue(treeItem, key);
},
getFeedName: function(feed, is_cat) {
getFeedName: function(feed, is_cat) {
return this.getFeedValue(feed, is_cat, 'name');
},
getFeedUnread: function(feed, is_cat) {
@ -44,7 +44,7 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
if (!value) value = '';
if (!this.store._itemsByIdentity) return undefined;
if (is_cat)
if (is_cat)
treeItem = this.store._itemsByIdentity['CAT:' + feed];
else
treeItem = this.store._itemsByIdentity['FEED:' + feed];
@ -79,7 +79,7 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
}
}
}
return null;
},
hasCats: function() {
@ -93,7 +93,7 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
dojo.declare("fox.FeedTree", dijit.Tree, {
_createTreeNode: function(args) {
var tnode = new dijit._TreeNode(args);
if (args.item.icon)
tnode.iconNode.src = args.item.icon[0];
@ -144,7 +144,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
},
getRowClass: function (item, opened) {
return (!item.error || item.error == '') ? "dijitTreeRow" :
return (!item.error || item.error == '') ? "dijitTreeRow" :
"dijitTreeRow Error";
},
getLabel: function(item) {
@ -164,7 +164,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
}
},
selectFeed: function(feed, is_cat) {
if (is_cat)
if (is_cat)
treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
@ -176,7 +176,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
}
},
setFeedIcon: function(feed, is_cat, src) {
if (is_cat)
if (is_cat)
treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
@ -189,7 +189,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
return false;
},
setFeedExpandoIcon: function(feed, is_cat, src) {
if (is_cat)
if (is_cat)
treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
@ -210,29 +210,29 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
var tree = this;
var cats = this.model.store._arrayOfTopLevelItems;
cats.each(function(cat) {
var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
var id = String(cat.id);
var node = tree._itemNodesMap[id];
var bare_id = parseInt(id.substr(id.indexOf(":")+1));
if (node) {
var check_unread = tree.model.getFeedUnread(bare_id, true);
if (hide && cat_unread == 0 && check_unread == 0) {
Effect.Fade(node[0].rowNode, {duration : 0.3,
Effect.Fade(node[0].rowNode, {duration : 0.3,
queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
} else {
Element.show(node[0].rowNode);
++cat_unread;
}
}
}
});
} else {
this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
show_special);
}
},
@ -243,13 +243,13 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
items.each(function(feed) {
var id = String(feed.id);
var bare_id = parseInt(feed.bare_id);;
var unread = feed.unread[0];
var node = tree._itemNodesMap[id];
if (node) {
if (hide && unread == 0 && (bare_id > 0 || !show_special)) {
Effect.Fade(node[0].rowNode, {duration : 0.3,
Effect.Fade(node[0].rowNode, {duration : 0.3,
queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
} else {
Element.show(node[0].rowNode);
@ -257,7 +257,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
}
}
});
return cat_unread;
},
collapseCat: function(id) {
@ -271,7 +271,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
if (node && item) {
var hidden = tree.model.store.getValue(item, 'hidden');
if (hidden)
if (hidden)
tree._expandNode(node);
else
tree._collapseNode(node);
@ -290,13 +290,45 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
var id = tree.model.store.getValue(cat, 'id');
var node = tree._itemNodesMap[id][0];
if (hidden)
if (hidden)
tree._collapseNode(node);
else
tree._expandNode(node);
});
},
getVisibleUnreadFeeds: function() {
var items = this.model.store._arrayOfAllItems;
var rv = [];
for (var i = 0; i < items.length; i++) {
var id = String(items[i].id);
var box = this._itemNodesMap[id];
if (box) {
var row = box[0].rowNode;
var cat = false;
try {
cat = box[0].rowNode.parentNode.parentNode;
} catch (e) { }
if (row) {
if (Element.visible(row) && (!cat || Element.visible(cat))) {
var feed_id = String(items[i].bare_id);
var is_cat = !id.match('FEED:');
var unread = this.model.getFeedUnread(feed_id, is_cat);
if (unread > 0)
rv.push([feed_id, is_cat]);
}
}
}
}
return rv;
},
getNextFeed: function (feed, is_cat) {
if (is_cat) {
treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
@ -311,7 +343,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
if (items[i] == treeItem) {
for (j = i+1; j < items.length; j++) {
var id = String(items[j].id);
var id = String(items[j].id);
var box = this._itemNodesMap[id];
if (box) {
@ -329,7 +361,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
}
if (item) {
return [this.model.store.getValue(item, 'bare_id'),
return [this.model.store.getValue(item, 'bare_id'),
!this.model.store.getValue(item, 'id').match('FEED:')];
} else {
return false;
@ -349,7 +381,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
if (items[i] == treeItem) {
for (j = i-1; j > 0; j--) {
var id = String(items[j].id);
var id = String(items[j].id);
var box = this._itemNodesMap[id];
if (box) {
@ -368,7 +400,7 @@ dojo.declare("fox.FeedTree", dijit.Tree, {
}
if (item) {
return [this.model.store.getValue(item, 'bare_id'),
return [this.model.store.getValue(item, 'bare_id'),
!this.model.store.getValue(item, 'id').match('FEED:')];
} else {
return false;

@ -202,6 +202,7 @@ function feedlist_init() {
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
setTimeout("timeout()", 5000);
setTimeout("precache_headlines_idle()", 3000);
} catch (e) {
exception_error("feedlist/init", e);

@ -10,6 +10,7 @@ var last_requested_article = false;
var catchup_id_batch = [];
var catchup_timeout_id = false;
var feed_precache_timeout_id = false;
var precache_idle_timeout_id = false;
var cids_requested = [];
@ -2108,6 +2109,29 @@ function render_local_headlines(feed, is_cat, obj) {
}
}
function precache_headlines_idle() {
try {
if (!feed_precache_timeout_id) {
var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
var uncached = [];
feeds.each(function(item) {
if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
uncached.push(item);
});
if (uncached.length > 0) {
var rf = uncached[Math.floor(Math.random()*uncached.length)];
viewfeed(rf[0], '', rf[1], 0, true);
}
}
precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 5000);
} catch (e) {
exception_error("precache_headlines_idle", e);
}
}
function precache_headlines() {
try {

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