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v2ex.k.js
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$(function () {
var navbar = $('#Top .content a');
var newNavbar = "<div id='k_navbar' class='bars k_color_dark'></div><div id='k_infos' class='hiden'></div><div id='k_tabbar' class='bars k_color_light'></div>";
var Rightbar = $("#Rightbar");
// var avater = $('#Rightbar .box .cell table tbody tr td')[0].innerHTML;
var userDom = Rightbar.children('.box:first').children('.cell:first').children('table').children('tbody').children('tr').children('td');
var userInfo = {};
if (localStorage['v2ex.k']) {
// 将不太经常变化的信息存储到localStorage里面，当设置页面中点击保存时将整个删除初始化。
userInfo = JSON.parse(localStorage['v2ex.k']);
} else {
userInfo = {
avater: $(userDom[0]).children('a').children('img').attr('src'),
name: $(userDom[2]).children('span:first').children('a').text(),
slogen: $(userDom[2]).children('span:last').text(),
myNodes: $(userDom[3]).html(),
myTopics: $(userDom[4]).html(),
myFollowing: $(userDom[5]).html(),
atom: ''
};
localStorage['v2ex.k'] = JSON.stringify(userInfo);
}
// 获取一些常用的信息，每次加载时更新
if ($('#MyNodes').length > 0) {
userInfo['myNodesDom'] = $('#MyNodes').html();
} else {
userInfo['myNodesDom'] = "<div></div>";
}
userInfo['notifi'] = Rightbar.children('.box:first').children('.inner').find('[href="/notifications"]').text().split(' ')[0];
var nearby = $($('#Top .content a')[7]).attr('href');
var k_navbar =
'<a id="avater" href="http://www.v2ex.com/member/' + userInfo['name'] + '" class="top k_color_hover"><img src=' + userInfo['avater'] + ' ></a>' +
'<a href="http://www.v2ex.com/notifications" class="top k_color_hover"><i class="fa fa-bell fa-2x" title="提醒"></i>' + userInfo['notifi'] + '</a>' +
'<a href="/" class="top k_color_hover" title="首页"><i class="fa fa-home fa-2x"></i></a>' +
'<a href="http://www.v2ex.com/new" class="top k_color_hover" title="新主题"><i class="fa fa-pencil-square-o fa-2x"></i></a>' +
'<a href="https://workspace.v2ex.com/" target="_blank" class="top k_color_hover" title="工作空间"><i class="fa fa-laptop fa-2x"></i></a>' +
'<a href="/notes" class="top k_color_hover"><i class="fa fa-book fa-2x" title="笔记"></i></a>' +
'<a href="/t" class="top k_color_hover"><i class="fa fa-list-alt fa-2x" title="时间轴"></i></a>' +
'<a href="/events" class="top k_color_hover" title="事件"><i class="fa fa-eye fa-2x"></i></a>' +
'<a href="' + nearby + '" class="top k_color_hover" title="附近"><i class="fa fa-map-marker fa-2x"></i></a>' +
'<a href="/settings" class="top k_color_hover" title="设置"><i class="fa fa-cog fa-2x"></i></a>'
;
var k_tabbar = $('#Tabs').children('a');
var k_infos = userInfo.myNodes + userInfo.myTopics + userInfo.myFollowing + userInfo.myNodesDom;
$('body').prepend(newNavbar);
var window_height = $(window).height();
$('.bars').css('height', window_height);
$('#Wrapper').css('width', document.body.clientWidth - 140).addClass('k_color_background');
$('#k_navbar').append(k_navbar).append($('#Top .content a')[9]);
$($('#k_navbar a')[10]).html('<i class="fa fa-sign-out fa-2x" title="退出"></i>');
$('#k_infos').append(k_infos);
$('#k_tabbar').append($('#Tabs a'));
$('#Rightbar').prepend($('#TopicsHot')).prepend($('#Search'));
$('#k_navbar a,#k_tabbar a').addClass('k_color_hover');
$('a.count_livid').addClass('k_color_count');
$('a.node').addClass('k_color_node');
$('#avater').on('mouseenter', function () {
$('#k_infos').removeClass('hiden');
});
$('#k_infos').on('mouseleave', function () {
$('#k_infos').addClass('hiden');
});
var fast = {
opened: false,
changeCSS: function () {
if (!fast.opened) {
$('#Main').css('width', document.body.clientWidth - 690 - 140).addClass('k_itemlist');
$('#Rightbar').css('width', 690).css('position', 'fixed').css('right', 0);
fast.scroll();
fast.opened = true;
}
},
scroll: function () {
$(document).scrollTop($('div div.cell.item.k_color_choosen').prev().offset().top);
},
keyPress: function (event) {
var key = event.keyCode;
var accepted = true;
var dom = $('.k_color_choosen');
console.info(dom.length + event.keyCode);
if (key == 82) {
//R刷新
if (dom.length != 0) {
window.location.reload();
}
} else if (key == 40 || key == 75) {
//方向键下
if (dom.length == 0) {
$('#Main .item,#TopicsNode .cell')[0].click()
} else {
fast.scroll();
dom.next().click();
}
} else if (key == 38 || key == 74) {
//方向键上
if (dom.length == 0) {
$('#Main .item,#TopicsNode .cell')[0].click()
} else {
dom.prev().click();
fast.scroll();
}
} else if (key == 39) {
//方向键右
if (dom.length != 0) {
$('#k_faster').click();
}
} else if (key == 37) {
//方向键左
var localUrl = window.location.href;
if (localUrl.indexOf('v2ex.com/go') != -1 || localUrl.indexOf('v2ex.com/t') != -1) {
window.history.go(-1);
}
} else if (key == 32) {
//空格
if (dom.length != 0) {
//.click();
document.getElementById('k_faster').scrollTop = 0;
} else {
document.body.scrollTop = 0;
}
} else {
accepted = false;
}
if (accepted) {
event.preventDefault();
}
},
changeChoose: function (dom) {
if ($('#k_faster').length == 0) {
$('#Rightbar').prepend('<div id="k_faster" class="box" style="height:' + ($(window).height() + 5) + 'px">' + '</div>')
}
$('#Main .item,#TopicsNode .cell').removeClass('k_color_choosen');
$(dom).addClass('k_color_choosen');
},
createDom: function (dom) {
var itemUrl = $(dom).find('.item_title a').attr('href');
var itemID = itemUrl.substr(3, 6);
var ifhttps = 'https:' == document.location.protocol ? true : false;
var ajaxUrl = '://www.v2ex.com/api/topics/show.json?id=' + itemID;
if (ifhttps) {
ajaxUrl = 'https' + ajaxUrl;
} else {
ajaxUrl = 'http' + ajaxUrl;
}
$.ajax({
type: "get",
url: ajaxUrl,
success: function (data) {
console.info(ajaxUrl);
var title = data[0]['title'];
var contentDom = data[0]['content_rendered'];
var url = data[0]['url'];
if (contentDom.length <= 400) {
// 判断是否使用快速阅读模式
var iframe = '<iframe frameborder=0 seamless allowtransparency="true" width="100%" scrolling="auto" style="margin-bottom:10px; margin-top:-64px" src="' + itemUrl + ' " height="' + (window.screen.height - 10) + '">' + '</iframe>';
$('#k_faster').html(iframe).css('padding', 0);
} else {
var faster = '<h2>' + title + '</h2>' + contentDom;
$('#k_faster').html(faster).css('padding', 20);
}
$('#k_faster').click(function () {
window.location.href = url;
});
},
complete: function () {
fast.changeCSS();
}
});
}
};
var notifications = {
getNotification: function (atomUrl) {
var updateTime, ajaxData, timestamp;
$.ajax({
type: "get",
url: atomUrl,
beforeSend: function (XMLHttpRequest) {
},
success: function (data, textStatus) {
ajaxData = data;
updateTime = $(data).children('feed').children('updated').text();
timestamp = new Date(Date.parse(updateTime.replace(/-/g, "/").replace('T', " ").replace("Z", "")));
},
complete: function (XMLHttpRequest, textStatus) {
return timestamp.getTime();
}
});
},
checkNotification: function (update) {
var storage = window.localStorage;
var newUpdateTime = notifications.getNotification(userInfo.atom);
console.info(update);
if (storage.getItem('notification') !== undefined && newUpdateTime !== undefined && update == false) {
var oldUpdateTime = storage.getItem('notification');
if (newUpdateTime != oldUpdateTime) {
//有更新内容
var title = document.title;
document.title = "[新消息]" + title;
storage.setItem('notification', newUpdateTime);
}
} else {
storage.setItem('notification', newUpdateTime);
}
},
init: function (atomUrl) {
var localUrl = window.location.href;
if (localUrl.indexOf('v2ex.com/notifications') != -1) {
userInfo.atom = $('input.sll').val();
localStorage['v2ex.k'] = JSON.stringify(userInfo);
notifications.checkNotification(true);
}
//三分钟检查一次
if (userInfo.atom != '') {
var check = window.setInterval(function () {
notifications.checkNotification(false);
}, 180000);
}
}
};
notifications.init();
document.addEventListener('keydown', fast.keyPress, false);
$("textarea,input:text").focus(function () {
document.removeEventListener('keydown', fast.keyPress, false);
}).blur(function () {
document.addEventListener('keydown', fast.keyPress, false);
});
var time;
$('#Main .item,#TopicsNode .cell').addClass('k_color_item').click(function () {
clearTimeout(time);
var dom = this;
fast.changeChoose(dom);
$(this).find('a').click(function () {
event.stopPropagation();
});
time = setTimeout(function () {
fast.createDom(dom);
}, 1500)
});
});