diaspora/public/javascripts/widgets/hovercard.js

123 lines
3.4 KiB
JavaScript

(function() {
var HoverCard = function() {
var self = this;
self.jXHRs = [];
this.start = function() {
self.personCache = new this.Cache();
self.dropdownCache = new this.Cache();
self.hoverCard = {
tip: $("#hovercard"),
dropdownContainer: $("#hovercard_dropdown_container"),
offset: {
left: -80,
top: -15
},
personLink: $("#hovercard").find("a.person"),
avatar: $("#hovercard").find(".avatar"),
dropdown: $("#hovercard").find(".dropdown_list")
};
$(document.body).delegate("a.author", "hover", self.handleHoverEvent);
self.hoverCard.tip.hover(self.hoverCardHover, self.clearTimeout);
};
this.handleHoverEvent = function(evt) {
self.target = $(evt.target);
if(evt.type === "mouseenter") {
self.startHover();
}
else {
self.clearTimeout(evt);
}
};
this.startHover = function(evt) {
if(!self.hoverCardTimeout) {
self.clearTimeout(false);
}
self.timeout = setTimeout(self.showHoverCard, 600);
};
this.showHoverCard = function() {
self.hoverCard.tip.hide();
self.hoverCard.tip.prependTo(self.target.parent());
self.personCache.get(self.target.attr("href") + ".json", function(person) {
self.populateHovercard(person);
});
};
this.populateHovercard = function(person) {
var position = self.target.position();
self.hoverCard.tip.css({
left: position.left + self.hoverCard.offset.left,
top: position.top + self.hoverCard.offset.top
});
self.hoverCard.avatar.attr("src", person.avatar);
self.hoverCard.personLink.attr("href", person.url);
self.hoverCard.personLink.text(person.name);
self.hoverCard.dropdown.attr("data-person-id", person.id);
self.dropdownCache.get(self.target.attr("href") + "/aspect_membership_button", function(dropdown) {
self.hoverCard.dropdownContainer.html(dropdown);
self.hoverCard.tip.fadeIn('fast');
});
};
this.clearTimeout = function(delayed) {
self.personCache.clearjXHRs();
self.dropdownCache.clearjXHRs();
function callback() {
self.timeout = clearTimeout(self.timeout);
self.hoverCard.tip.fadeOut("fast", function(){
self.hoverCard.dropdownContainer.html("");
});
};
if((typeof delayed === "boolean" && delayed) || (typeof delayed === "object" && delayed.type === "mouseleave")) {
self.hoverCardTimeout = setTimeout(callback, 200);
}
else {
callback();
}
};
this.hoverCardHover = function() {
self.hoverCardTimeout = clearTimeout(self.hoverCardTimeout);
};
this.Cache = function() {
var self = this;
this.cache = {};
this.jXHRs = [];
this.get = function(key, callback) {
if(typeof self.cache[key] === "undefined") {
self.jXHRs.push($.get(key, function(response) {
self.cache[key] = response;
callback(response);
self.jXHRs.shift();
}));
}
else {
callback(self.cache[key]);
}
};
this.clearjXHRs = function() {
$.each(self.jXHRs, function(index, jXHR) {
jXHR.abort();
});
self.jXHRs = [];
};
};
};
Diaspora.widgets.add("hoverCard", HoverCard);
})();