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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / ControlsConfig.cs / 1305376 / ControlsConfig.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Xml; using System.Diagnostics; using System.Configuration; using System.Globalization; using System.Web; using System.Web.Configuration; using System.Collections.Specialized; using System.Security.Permissions; namespace System.Web.UI.MobileControls { // Mobile Controls Configuration class. // Includes Mobile Web Forms-specific settings, including a set // of device configurations, that can be used to decide what set of // adapters to use for a given device. [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal class ControlsConfig { private readonly ControlsConfig _parent; private readonly StringDictionary _settings = new StringDictionary(); private readonly ListDictionary _deviceConfigs = new ListDictionary(); [ConfigurationPermission(SecurityAction.Assert, Unrestricted=true)] internal static ControlsConfig GetFromContext(HttpContext context) { // VSWhidbey 372365: Use MobileControlsSection if it is being returned Object config = context.GetSection("system.web/mobileControls"); MobileControlsSection controlSection = config as MobileControlsSection; if (controlSection != null) { return controlSection.GetControlsConfig(); } return (ControlsConfig)config; } internal ControlsConfig(ControlsConfig parent) { _parent = parent; } // Return false if a device of the same name has already been added. internal /*public*/ bool AddDeviceConfig(String configName, IndividualDeviceConfig deviceConfig) { // Note that GetDeviceConfig also walks the parents configs if (GetDeviceConfig(configName) != null) { return false; } else { _deviceConfigs[configName] = deviceConfig; return true; } } internal /*public*/ IndividualDeviceConfig GetDeviceConfig(HttpContext context) { IndividualDeviceConfig deviceConfig = null; #if DEBUG if (context.Session != null) { String var = "AdapterOverride"; bool saveInSession = true; String adapterOverride = (String)context.Session[var]; if (adapterOverride == null) { saveInSession = false; adapterOverride = (String)context.Request.QueryString[var]; } if (adapterOverride != null && (deviceConfig = GetDeviceConfig(adapterOverride)) != null) { if (saveInSession) { context.Session[var] = adapterOverride; } return deviceConfig; } } #endif foreach (IndividualDeviceConfig candidate in _deviceConfigs.Values) { if (candidate.DeviceQualifies(context)) { deviceConfig = candidate; break; } } if (deviceConfig == null && _parent != null) { deviceConfig = _parent.GetDeviceConfig (context); } if (deviceConfig == null) { throw new Exception( SR.GetString(SR.ControlsConfig_NoDeviceConfigRegistered, context.Request.UserAgent)); } return deviceConfig; } internal /*public*/ IndividualDeviceConfig GetDeviceConfig(String configName) { IndividualDeviceConfig deviceConfig = (IndividualDeviceConfig)_deviceConfigs[configName]; if (deviceConfig == null && _parent != null) { deviceConfig = _parent.GetDeviceConfig (configName); } return deviceConfig; } // Call this after all the device configs have been entered. This will // resolve the names of the parent classes to inherit from actual // classes, and flag an error if there isn't one. This is done as a // second-pass because devices earlier in web.config may inherit from // items later in the web.config. That flexibility is required to get // the right behavior for device predicates being evaluated in the order // they appear. internal void FixupDeviceConfigInheritance(XmlNode configNode) { foreach (IndividualDeviceConfig config in _deviceConfigs.Values) { config.FixupInheritance(null, configNode); } } internal /*public*/ String this[String key] { get { String s = _settings[key]; if (s == null && _parent != null) { s = _parent[key]; } return s; } set { _settings[key] = value; } } internal /*public*/ int SessionStateHistorySize { get { String sizeString = this["sessionStateHistorySize"]; int size = Constants.DefaultSessionsStateHistorySize; if (sizeString != null) { // Enclose in case a numerical value wasn't provided. In // which case just return the default. try { size = Int32.Parse(sizeString, CultureInfo.InvariantCulture); } catch { } } return size; } } internal /*public*/ Type CookielessDataDictionaryType { get { Type cookielessDataType = null; String typeString = this["cookielessDataDictionaryType"]; if (!String.IsNullOrEmpty(typeString)) { cookielessDataType = Type.GetType(typeString); } return cookielessDataType; } } internal /*public*/ bool AllowCustomAttributes { get { String allow = this["allowCustomAttributes"]; return String.Compare(allow, "true", StringComparison.OrdinalIgnoreCase) == 0; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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