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added caching per url + rate limiting mechanism to prefetcher, closes #1576

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psychobunny
2014-05-28 19:03:54 -04:00
parent 1e05a92c1e
commit 5b17f9a7a4
1 changed files with 19 additions and 18 deletions
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37
public/src/ajaxify.js
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@@ -9,7 +9,9 @@ var ajaxify = ajaxify || {};
rootUrl = location.protocol + '//' + (location.hostname || location.host) + (location.port ? ':' + location.port : ''), rootUrl = location.protocol + '//' + (location.hostname || location.host) + (location.port ? ':' + location.port : ''),
templatesConfig = null, templatesConfig = null,
availableTemplates = null, availableTemplates = null,
apiXHR = null; apiXHR = null,
PRELOADER_RATE_LIMIT = 10000;
window.onpopstate = function (event) { window.onpopstate = function (event) {
if (event !== null && event.state && event.state.url !== undefined && !ajaxify.initialLoad) { if (event !== null && event.state && event.state.url !== undefined && !ajaxify.initialLoad) {
@@ -21,7 +23,7 @@ var ajaxify = ajaxify || {};
ajaxify.currentPage = null; ajaxify.currentPage = null;
ajaxify.initialLoad = false; ajaxify.initialLoad = false;
ajaxify.preloader = null; ajaxify.preloader = {};
function onAjaxError(err) { function onAjaxError(err) {
var data = err.data, textStatus = err.textStatus; var data = err.data, textStatus = err.textStatus;
@@ -181,8 +183,8 @@ var ajaxify = ajaxify || {};
ajaxify.loadData = function(url, callback) { ajaxify.loadData = function(url, callback) {
$(window).trigger('action:ajaxify.loadingData', {url: url}); $(window).trigger('action:ajaxify.loadingData', {url: url});
if (ajaxify.preloader && ajaxify.preloader.url === url) { if (ajaxify.preloader && ajaxify.preloader[url]) {
return callback(null, ajaxify.preloader.data); return callback(null, ajaxify.preloader[url].data);
} }
var location = document.location || window.location, var location = document.location || window.location,
@@ -291,24 +293,23 @@ var ajaxify = ajaxify || {};
if (this.host === window.location.host) { if (this.host === window.location.host) {
// Internal link // Internal link
var url = this.href.replace(rootUrl + '/', ''); var url = this.href.replace(rootUrl + '/', ''),
currentTime = (new Date()).getTime();
ajaxify.loadData(url, function(err, data) {
ajaxify.preloader = { if (!ajaxify.preloader[url] || currentTime - ajaxify.preloader[url].lastFetched > PRELOADER_RATE_LIMIT) {
url: url, ajaxify.preloader[url] = null;
data: data ajaxify.loadData(url, function(err, data) {
}; ajaxify.preloader[url] = {
}); url: url,
data: data,
lastFetched: currentTime
};
});
}
} }
}); });
$(document.body).on('mouseout', 'a', function (e) {
setTimeout(function() {
ajaxify.preloader = null;
}, 500);
});
templates.registerLoader(ajaxify.loadTemplate); templates.registerLoader(ajaxify.loadTemplate);
$.when($.getJSON(RELATIVE_PATH + '/templates/config.json'), $.getJSON(RELATIVE_PATH + '/api/get_templates_listing')).done(function (config_data, templates_data) { $.when($.getJSON(RELATIVE_PATH + '/templates/config.json'), $.getJSON(RELATIVE_PATH + '/api/get_templates_listing')).done(function (config_data, templates_data) {