channel.js
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/**
* 频道选择页面顶部搜索
* @author: bikai<kai.bi@yoho.cn>
* @date: 2015/10/28
*/
var $ = require('jquery'),
security = require('../plugin/security');
var $searchBox = $('.search-box'),
$box = $('.box'),
$indexSearch = $('.index-search'),
$indexLogo = $('.index-logo'),
$channelLink = $('.index-channel a'),
$win = $(window),
$doc = $(document),
$appFloatLayer = $('#float-layer-app');
var $search = $searchBox.children('input[type="text"]'),
$cancelSearch = $box.children('.no-search'),
$searchIcon = $searchBox.children('.search-icon');
require('../common');
$search.on('focus', function() {
$box.addClass('action');
$indexLogo.addClass('action');
}).on('input', function() {
if ($search.val() === '') {
$searchIcon.addClass('empty');
} else {
$searchIcon.removeClass('empty');
}
});
$cancelSearch.on('touchend', function() {
$box.removeClass('action');
$indexLogo.removeClass('action');
$search.blur();
return false;
});
$searchBox.children('.clear-text').on('touchstart', function() {
$search.val('').focus().trigger('input');
});
$searchBox.children('.search-icon').on('touchstart', function() {
if (security.hasDangerInput()) {
return false;
}
$indexSearch.submit();
});
$('.index-channel img').on('load error', function() {
window.rePosFooter && window.rePosFooter();
});
$channelLink.on('touchstart', function() {
$channelLink.css({
background: '#000',
color: '#fff',
borderColor: '#fff'
});
$(this).css({
background: 'rgba(255, 255, 255, 0.5)',
color: '#000',
borderColor: '#000'
});
}).on('touchend touchcancel', function() {
$(this).css({
background: '#000',
color: '#fff',
borderColor: '#fff'
});
});
var updateLayerPosition = (function() {
var init = false;
return function() {
var winHeight = window.innerHeight;
var bodyHeight = $doc.height();
var scrollTopPosition = $win.scrollTop();
var layerHeight = $appFloatLayer.height();
var layerPaddingTop = parseInt($appFloatLayer.css('padding-top'));
var layerPaddingBottom = parseInt($appFloatLayer.css('padding-bottom'));
var newPosition;
if(init){
newPosition = bodyHeight - winHeight- scrollTopPosition;
}else{
init = true;
newPosition = bodyHeight - winHeight - scrollTopPosition + layerHeight + layerPaddingTop + layerPaddingBottom;
}
$appFloatLayer.css({
'position': 'relative',
'bottom': newPosition + 'px'
});
};
})();
$win.scroll(function() {
updateLayerPosition();
});
$doc.on('ready', updateLayerPosition);