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define(['flight/lib/component', 'page/events', 'page/router/url_params'], function (defineComponent, events, urlParams) {
'use strict';
return defineComponent(function () {
this.defaultAttrs({
history: window.history
});
function createHash(data) {
var hash = "/#/" + data.tag;
if (!_.isUndefined(data.mailIdent)) {
hash += '/mail/' + data.mailIdent;
}
return hash;
}
function createState(data, previousState) {
return {
tag: data.tag || (previousState && previousState.tag) || urlParams.defaultTag(),
mailIdent: data.mailIdent,
isDisplayNoMessageSelected: !!data.isDisplayNoMessageSelected
};
}
this.smailPushState = function (ev, data) {
if (!data.fromPopState) {
var nextState = createState(data, this.attr.history.state);
this.attr.history.pushState(nextState, '', createHash(nextState));
}
};
this.smailPopState = function (ev) {
var state = ev.state || {};
this.trigger(document, events.ui.tag.select, {
tag: state.tag || urlParams.getTag(),
mailIdent: state.mailIdent,
fromPopState: true
});
if (ev.state.isDisplayNoMessageSelected) {
this.trigger(document, events.dispatchers.rightPane.openNoMessageSelectedWithoutPushState);
}
};
this.after('initialize', function () {
this.on(document, events.router.pushState, this.smailPushState);
window.onpopstate = this.smailPopState.bind(this);
});
});
});
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