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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* This view displays information related to Prerendering.
* @constructor
*/
function PrerenderView(mainBoxId, prerenderEnabledSpanId, prerenderHistoryDivId,
prerenderActiveDivId) {
DivView.call(this, mainBoxId);
g_browser.addPrerenderInfoObserver(this);
this.prerenderEnabledSpan_ = document.getElementById(prerenderEnabledSpanId);
this.prerenderHistoryDiv_ = document.getElementById(prerenderHistoryDivId);
this.prerenderActiveDiv_ = document.getElementById(prerenderActiveDivId);
}
inherits(PrerenderView, DivView);
function IsValidPrerenderInfo(prerenderInfo) {
if (prerenderInfo == null) {
return false;
}
if (!('history' in prerenderInfo) ||
!('active' in prerenderInfo) ||
!('enabled' in prerenderInfo)) {
return false;
}
return true;
}
PrerenderView.prototype.onPrerenderInfoChanged = function(prerenderInfo) {
this.prerenderEnabledSpan_.innerText = '';
this.prerenderHistoryDiv_.innerHTML = '';
this.prerenderActiveDiv_.innerHTML = '';
if (!IsValidPrerenderInfo(prerenderInfo)) {
return;
}
this.prerenderEnabledSpan_.innerText = prerenderInfo.enabled.toString();
var tabPrinter = PrerenderView.createHistoryTablePrinter(
prerenderInfo.history);
tabPrinter.toHTML(this.prerenderHistoryDiv_, 'styledTable');
var tabPrinter = PrerenderView.createActiveTablePrinter(
prerenderInfo.active);
tabPrinter.toHTML(this.prerenderActiveDiv_, 'styledTable');
};
PrerenderView.createHistoryTablePrinter = function(prerenderHistory) {
var tablePrinter = new TablePrinter();
tablePrinter.addHeaderCell('Origin');
tablePrinter.addHeaderCell('URL');
tablePrinter.addHeaderCell('Final Status');
tablePrinter.addHeaderCell('Time');
for (var i = 0; i < prerenderHistory.length; i++) {
var historyEntry = prerenderHistory[i];
tablePrinter.addRow();
tablePrinter.addCell(historyEntry.origin);
tablePrinter.addCell(historyEntry.url);
tablePrinter.addCell(historyEntry.final_status);
var date = new Date(parseInt(historyEntry.end_time));
tablePrinter.addCell(date.toLocaleString());
}
return tablePrinter;
};
PrerenderView.createActiveTablePrinter = function(prerenderActive) {
var tablePrinter = new TablePrinter();
tablePrinter.addHeaderCell('URL');
tablePrinter.addHeaderCell('Duration');
for (var i = 0; i < prerenderActive.length; i++) {
var activeEntry = prerenderActive[i];
tablePrinter.addRow();
tablePrinter.addCell(activeEntry.url);
tablePrinter.addCell(activeEntry.duration);
}
return tablePrinter;
};
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