public static class BrowserHelper
{
private const string IE = "IE";
private const string Version6 = "6";
private const string Version7 = "7";
private const string Version8 = "8";
private const string Version9 = "9";
public static bool IsIE6()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null))
{
HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser;
if ((browser.Browser == IE) && (browser.Version.StartsWith(Version6)))
{
result = true;
}
}
return result;
}
public static bool IsIE7()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null))
{
HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser;
if ((browser.Browser == IE) && (browser.Version.StartsWith(Version7)))
{
result = true;
}
}
return result;
}
public static bool IsIE8()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null))
{
HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser;
if ((browser.Browser == IE) && (browser.Version.StartsWith(Version8)))
{
result = true;
}
}
return result;
}
public static bool IsIE9()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null))
{
HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser;
if ((browser.Browser == IE) && (browser.Version.StartsWith(Version9)))
{
result = true;
}
}
return result;
}
public static bool IsIE()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
if (HttpContext.Current.Request.UserAgent.Contains("MSIE"))
{
result = true;
}
}
return result;
}
public static bool IsFF()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
if (HttpContext.Current.Request.UserAgent.Contains("Firefox"))
{
result = true;
}
}
return result;
}
public static bool IsSafari()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("safari"));
}
return result;
}
public static bool IsOpera()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("opera"));
}
return result;
}
public static bool IsIphone()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("iphone"));
}
return result;
}
public static bool IsIpad()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("ipad"));
}
return result;
}
private static bool IsOldIOS()
{
// older ios does not support wysiwyg editors
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
if (HttpContext.Current.Request.UserAgent.ToLower().Contains("os 4_")) { return true; }
if (HttpContext.Current.Request.UserAgent.ToLower().Contains("os 3_")) { return true; }
}
return false;
}
public static bool MobileDeviceSupportsWYSIWYG()
{
bool result = false;
if (
(IsIpad() || IsIphone())
&& (!IsOldIOS())
)
{
result = true;
}
return result;
}
public static bool IsSmartPhone()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("iphone"));
if (result) { return result; }
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("android"));
if (result) { return result; }
}
return result;
}
public static bool IsWindowsLiveWriter()
{
bool result = false;
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null))
{
result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("windows live writer"));
}
return result;
}
}