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145 lines
4 KiB
JavaScript
145 lines
4 KiB
JavaScript
function hqLiveUpdate(notify_id) {
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if(typeof profile_uid === 'undefined') profile_uid = false; /* Should probably be unified with channelId defined in head.tpl */
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if((src === null) || (stopped) || (! profile_uid)) { $('.like-rotator').hide(); return; }
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if(($('.comment-edit-text.expanded').length) || (in_progress)) {
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if(livetime) {
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clearTimeout(livetime);
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}
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livetime = setTimeout(liveUpdate, 10000);
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return;
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}
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if(livetime !== null)
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livetime = null;
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prev = 'live-' + src;
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in_progress = true;
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var update_url;
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var update_mode;
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if(scroll_next) {
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bParam_page = next_page;
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page_load = true;
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}
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else {
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bParam_page = 1;
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}
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update_url = buildCmd();
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if(page_load) {
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$("#page-spinner").show();
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if(bParam_page == 1)
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update_mode = 'replace';
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else
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update_mode = 'append';
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}
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else {
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update_mode = 'update';
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var orgHeight = $("#region_2").height();
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}
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var dstart = new Date();
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console.log('LOADING data...');
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$.get(update_url, function(data) {
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// on shared hosts occasionally the live update process will be killed
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// leaving an incomplete HTML structure, which leads to conversations getting
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// truncated and the page messed up if all the divs aren't closed. We will try
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// again and give up if we can't get a valid HTML response after 10 tries.
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if((data.indexOf("<html>") != (-1)) && (data.indexOf("</html>") == (-1))) {
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console.log('Incomplete data. Reloading');
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in_progress = false;
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liveRecurse ++;
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if(liveRecurse < 10) {
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liveUpdate();
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}
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else {
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console.log('Incomplete data. Too many attempts. Giving up.');
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}
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}
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// else data was valid - reset the recursion counter
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liveRecurse = 0;
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if(notify_id !== 'undefined') {
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$.post(
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"hq",
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{
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"notify_id" : notify_id
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},
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function(data) {
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if(timer) clearTimeout(timer);
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timer = setTimeout(NavUpdate,10);
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}
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);
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}
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var dready = new Date();
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console.log('DATA ready in: ' + (dready - dstart)/1000 + ' seconds.');
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if(update_mode === 'update' || preloadImages) {
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console.log('LOADING images...');
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$('.wall-item-body, .wall-photo-item',data).imagesLoaded( function() {
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var iready = new Date();
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console.log('IMAGES ready in: ' + (iready - dready)/1000 + ' seconds.');
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page_load = false;
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scroll_next = false;
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updateConvItems(update_mode,data);
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$("#page-spinner").hide();
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$("#profile-jot-text-loading").hide();
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// adjust scroll position if new content was added above viewport
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if(update_mode === 'update') {
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$(window).scrollTop($(window).scrollTop() + $("#region_2").height() - orgHeight + contentHeightDiff);
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}
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in_progress = false;
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// FIXME - the following lines were added so that almost
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// immediately after we update the posts on the page, we
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// re-check and update the notification counts.
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// As it turns out this causes a bit of an inefficiency
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// as we're pinging twice for every update, once before
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// and once after. A btter way to do this is to rewrite
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// NavUpdate and perhaps LiveUpdate so that we check for
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// post updates first and only call the notification ping
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// once.
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updateCountsOnly = true;
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if(timer) clearTimeout(timer);
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timer = setTimeout(NavUpdate,10);
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});
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}
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else {
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page_load = false;
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scroll_next = false;
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updateConvItems(update_mode,data);
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$("#page-spinner").hide();
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$("#profile-jot-text-loading").hide();
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in_progress = false;
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// FIXME - the following lines were added so that almost
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// immediately after we update the posts on the page, we
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// re-check and update the notification counts.
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// As it turns out this causes a bit of an inefficiency
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// as we're pinging twice for every update, once before
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// and once after. A btter way to do this is to rewrite
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// NavUpdate and perhaps LiveUpdate so that we check for
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// post updates first and only call the notification ping
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// once.
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updateCountsOnly = true;
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if(timer) clearTimeout(timer);
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timer = setTimeout(NavUpdate,10);
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}
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});
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}
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