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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.
#include "chrome/renderer/playback_extension.h"
#include "v8/include/v8.h"
const char kPlaybackExtensionName[] = "v8/PlaybackMode";
namespace extensions_v8 {
v8::Extension* PlaybackExtension::Get() {
v8::Extension* extension = new v8::Extension(
kPlaybackExtensionName,
"(function () {"
" var orig_date = Date;"
" var x = 0;"
" var time_seed = 1204251968254;"
" Math.random = function() {"
" x += .1;"
" return (x % 1);"
" };"
" Date = function() {"
" if (this instanceof Date) {"
" switch (arguments.length) {"
" case 0: return new orig_date(time_seed += 50);"
" case 1: return new orig_date(arguments[0]);"
" default: return new orig_date(arguments[0], arguments[1],"
" arguments.length >= 3 ? arguments[2] : 1,"
" arguments.length >= 4 ? arguments[3] : 0,"
" arguments.length >= 5 ? arguments[4] : 0,"
" arguments.length >= 6 ? arguments[5] : 0,"
" arguments.length >= 7 ? arguments[6] : 0);"
" }"
" }"
" return new Date().toString();"
" };"
" Date.__proto__ = orig_date;"
" Date.prototype.constructor = Date;"
" orig_date.now = function() {"
" return new Date().getTime();"
" };"
"})()");
return extension;
}
} // namespace extensions_v8
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