/mcs/class/System.Web/System.Web.UI/Page.cs
C# | 2709 lines | 2271 code | 387 blank | 51 comment | 557 complexity | 0fc39d3113e8ebf2085882fd59eab02a MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // System.Web.UI.Page.cs
- //
- // Authors:
- // Duncan Mak (duncan@ximian.com)
- // Gonzalo Paniagua (gonzalo@ximian.com)
- // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
- // Marek Habersack (mhabersack@novell.com)
- //
- // (C) 2002,2003 Ximian, Inc. (http://www.ximian.com)
- // Copyright (C) 2003-2010 Novell, Inc (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System;
- using System.Collections;
- using System.Collections.Generic;
- using System.Collections.Specialized;
- using System.ComponentModel;
- using System.ComponentModel.Design;
- using System.ComponentModel.Design.Serialization;
- using System.Globalization;
- using System.IO;
- using System.Security.Permissions;
- using System.Security.Principal;
- using System.Text;
- using System.Threading;
- using System.Web;
- using System.Web.Caching;
- using System.Web.Compilation;
- using System.Web.Configuration;
- using System.Web.Hosting;
- using System.Web.SessionState;
- using System.Web.Util;
- using System.Web.UI.Adapters;
- using System.Web.UI.HtmlControls;
- using System.Web.UI.WebControls;
- using System.Reflection;
- #if NET_4_0
- using System.Web.Routing;
- #endif
- namespace System.Web.UI
- {
- // CAS
- [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [DefaultEvent ("Load"), DesignerCategory ("ASPXCodeBehind")]
- [ToolboxItem (false)]
- [Designer ("Microsoft.VisualStudio.Web.WebForms.WebFormDesigner, " + Consts.AssemblyMicrosoft_VisualStudio_Web, typeof (IRootDesigner))]
- [DesignerSerializer ("Microsoft.VisualStudio.Web.WebForms.WebFormCodeDomSerializer, " + Consts.AssemblyMicrosoft_VisualStudio_Web, "System.ComponentModel.Design.Serialization.TypeCodeDomSerializer, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
- public partial class Page : TemplateControl, IHttpHandler
- {
- // static string machineKeyConfigPath = "system.web/machineKey";
- bool _eventValidation = true;
- object [] _savedControlState;
- bool _doLoadPreviousPage;
- string _focusedControlID;
- bool _hasEnabledControlArray;
- bool _viewState;
- bool _viewStateMac;
- string _errorPage;
- bool is_validated;
- bool _smartNavigation;
- int _transactionMode;
- ValidatorCollection _validators;
- bool renderingForm;
- string _savedViewState;
- List <string> _requiresPostBack;
- List <string> _requiresPostBackCopy;
- List <IPostBackDataHandler> requiresPostDataChanged;
- IPostBackEventHandler requiresRaiseEvent;
- IPostBackEventHandler formPostedRequiresRaiseEvent;
- NameValueCollection secondPostData;
- bool requiresPostBackScript;
- bool postBackScriptRendered;
- bool requiresFormScriptDeclaration;
- bool formScriptDeclarationRendered;
- bool handleViewState;
- string viewStateUserKey;
- NameValueCollection _requestValueCollection;
- string clientTarget;
- ClientScriptManager scriptManager;
- bool allow_load; // true when the Form collection belongs to this page (GetTypeHashCode)
- PageStatePersister page_state_persister;
- CultureInfo _appCulture;
- CultureInfo _appUICulture;
- // The initial context
- HttpContext _context;
-
- // cached from the initial context
- HttpApplicationState _application;
- HttpResponse _response;
- HttpRequest _request;
- Cache _cache;
-
- HttpSessionState _session;
-
- [EditorBrowsable (EditorBrowsableState.Never)]
- public const string postEventArgumentID = "__EVENTARGUMENT";
- [EditorBrowsable (EditorBrowsableState.Never)]
- public const string postEventSourceID = "__EVENTTARGET";
- const string ScrollPositionXID = "__SCROLLPOSITIONX";
- const string ScrollPositionYID = "__SCROLLPOSITIONY";
- const string EnabledControlArrayID = "__enabledControlArray";
- internal const string LastFocusID = "__LASTFOCUS";
- internal const string CallbackArgumentID = "__CALLBACKPARAM";
- internal const string CallbackSourceID = "__CALLBACKID";
- internal const string PreviousPageID = "__PREVIOUSPAGE";
- int maxPageStateFieldLength = -1;
- string uniqueFilePathSuffix;
- HtmlHead htmlHeader;
-
- MasterPage masterPage;
- string masterPageFile;
-
- Page previousPage;
- bool isCrossPagePostBack;
- bool isPostBack;
- bool isCallback;
- List <Control> requireStateControls;
- HtmlForm _form;
- string _title;
- string _theme;
- string _styleSheetTheme;
- #if NET_4_0
- string _metaDescription;
- string _metaKeywords;
- Control _autoPostBackControl;
-
- bool frameworkInitialized;
- #endif
- Hashtable items;
- bool _maintainScrollPositionOnPostBack;
- bool asyncMode = false;
- TimeSpan asyncTimeout;
- const double DefaultAsyncTimeout = 45.0;
- List<PageAsyncTask> parallelTasks;
- List<PageAsyncTask> serialTasks;
- ViewStateEncryptionMode viewStateEncryptionMode;
- bool controlRegisteredForViewStateEncryption = false;
- #region Constructors
- public Page ()
- {
- scriptManager = new ClientScriptManager (this);
- Page = this;
- ID = "__Page";
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null) {
- asyncTimeout = ps.AsyncTimeout;
- viewStateEncryptionMode = ps.ViewStateEncryptionMode;
- _viewState = ps.EnableViewState;
- _viewStateMac = ps.EnableViewStateMac;
- } else {
- asyncTimeout = TimeSpan.FromSeconds (DefaultAsyncTimeout);
- viewStateEncryptionMode = ViewStateEncryptionMode.Auto;
- _viewState = true;
- }
- #if NET_4_0
- this.ViewStateMode = ViewStateMode.Enabled;
- #endif
- }
- #endregion
- #region Properties
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpApplicationState Application {
- get { return _application; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected bool AspCompatMode {
- get { return false; }
- set {
- // nothing to do
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public bool Buffer {
- get { return Response.BufferOutput; }
- set { Response.BufferOutput = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public Cache Cache {
- get {
- if (_cache == null)
- throw new HttpException ("Cache is not available.");
- return _cache;
- }
- }
- [EditorBrowsableAttribute (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false), DefaultValue ("")]
- [WebSysDescription ("Value do override the automatic browser detection and force the page to use the specified browser.")]
- public string ClientTarget {
- get { return (clientTarget == null) ? String.Empty : clientTarget; }
- set {
- clientTarget = value;
- if (value == String.Empty)
- clientTarget = null;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public int CodePage {
- get { return Response.ContentEncoding.CodePage; }
- set { Response.ContentEncoding = Encoding.GetEncoding (value); }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string ContentType {
- get { return Response.ContentType; }
- set { Response.ContentType = value; }
- }
- protected internal override HttpContext Context {
- get {
- if (_context == null)
- return HttpContext.Current;
- return _context;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string Culture {
- get { return Thread.CurrentThread.CurrentCulture.Name; }
- set { Thread.CurrentThread.CurrentCulture = GetPageCulture (value, Thread.CurrentThread.CurrentCulture); }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [Browsable (false)]
- [DefaultValue ("true")]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public virtual bool EnableEventValidation {
- get { return _eventValidation; }
- set {
- if (IsInited)
- throw new InvalidOperationException ("The 'EnableEventValidation' property can be set only in the Page_init, the Page directive or in the <pages> configuration section.");
- _eventValidation = value;
- }
- }
- [Browsable (false)]
- public override bool EnableViewState {
- get { return _viewState; }
- set { _viewState = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- public bool EnableViewStateMac {
- get { return _viewStateMac; }
- set { _viewStateMac = value; }
- }
- internal bool EnableViewStateMacInternal {
- get { return _viewStateMac; }
- set { _viewStateMac = value; }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false), DefaultValue ("")]
- [WebSysDescription ("The URL of a page used for error redirection.")]
- public string ErrorPage {
- get { return _errorPage; }
- set {
- HttpContext ctx = Context;
-
- _errorPage = value;
- if (ctx != null)
- ctx.ErrorPage = value;
- }
- }
- [Obsolete ("The recommended alternative is HttpResponse.AddFileDependencies. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected ArrayList FileDependencies {
- set {
- if (Response != null)
- Response.AddFileDependencies (value);
- }
- }
- [Browsable (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- public override string ID {
- get { return base.ID; }
- set { base.ID = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public bool IsPostBack {
- get { return isPostBack; }
- }
- public bool IsPostBackEventControlRegistered {
- get { return requiresRaiseEvent != null; }
- }
-
- [EditorBrowsable (EditorBrowsableState.Never), Browsable (false)]
- public bool IsReusable {
- get { return false; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public bool IsValid {
- get {
- if (!is_validated)
- throw new HttpException (Locale.GetText ("Page.IsValid cannot be called before validation has taken place. It should be queried in the event handler for a control that has CausesValidation=True and initiated the postback, or after a call to Page.Validate."));
- foreach (IValidator val in Validators)
- if (!val.IsValid)
- return false;
- return true;
- }
- }
- [Browsable (false)]
- public IDictionary Items {
- get {
- if (items == null)
- items = new Hashtable ();
- return items;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public int LCID {
- get { return Thread.CurrentThread.CurrentCulture.LCID; }
- set { Thread.CurrentThread.CurrentCulture = new CultureInfo (value); }
- }
- [Browsable (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public bool MaintainScrollPositionOnPostBack {
- get { return _maintainScrollPositionOnPostBack; }
- set { _maintainScrollPositionOnPostBack = value; }
- }
- public PageAdapter PageAdapter {
- get {
- return Adapter as PageAdapter;
- }
- }
- string _validationStartupScript;
- string _validationOnSubmitStatement;
- string _validationInitializeScript;
- string _webFormScriptReference;
- internal string WebFormScriptReference {
- get {
- if (_webFormScriptReference == null)
- _webFormScriptReference = IsMultiForm ? theForm : "window";
- return _webFormScriptReference;
- }
- }
- internal string ValidationStartupScript {
- get {
- if (_validationStartupScript == null) {
- _validationStartupScript =
- @"
- " + WebFormScriptReference + @".Page_ValidationActive = false;
- " + WebFormScriptReference + @".ValidatorOnLoad();
- " + WebFormScriptReference + @".ValidatorOnSubmit = function () {
- if (this.Page_ValidationActive) {
- return this.ValidatorCommonOnSubmit();
- }
- return true;
- };
- ";
- }
- return _validationStartupScript;
- }
- }
- internal string ValidationOnSubmitStatement {
- get {
- if (_validationOnSubmitStatement == null)
- _validationOnSubmitStatement = "if (!" + WebFormScriptReference + ".ValidatorOnSubmit()) return false;";
- return _validationOnSubmitStatement;
- }
- }
- internal string ValidationInitializeScript {
- get {
- if (_validationInitializeScript == null)
- _validationInitializeScript = "WebFormValidation_Initialize(" + WebFormScriptReference + ");";
- return _validationInitializeScript;
- }
- }
- internal IScriptManager ScriptManager {
- get { return (IScriptManager) Items [typeof (IScriptManager)]; }
- }
- #if !TARGET_J2EE
- internal string theForm {
- get {
- return "theForm";
- }
- }
-
- internal bool IsMultiForm {
- get { return false; }
- }
- #endif
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpRequest Request {
- get {
- if (_request == null)
- throw new HttpException("Request is not available in this context.");
- return RequestInternal;
- }
- }
- internal HttpRequest RequestInternal {
- get { return _request; }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpResponse Response {
- get {
- if (_response == null)
- throw new HttpException ("Response is not available in this context.");
- return _response;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string ResponseEncoding {
- get { return Response.ContentEncoding.WebName; }
- set { Response.ContentEncoding = Encoding.GetEncoding (value); }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpServerUtility Server {
- get { return Context.Server; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public virtual HttpSessionState Session {
- get {
- if (_session != null)
- return _session;
- try {
- _session = Context.Session;
- } catch {
- // ignore, should not throw
- }
-
- if (_session == null)
- throw new HttpException ("Session state can only be used " +
- "when enableSessionState is set to true, either " +
- "in a configuration file or in the Page directive.");
- return _session;
- }
- }
- [Filterable (false)]
- [Obsolete ("The recommended alternative is Page.SetFocus and Page.MaintainScrollPositionOnPostBack. http://go.microsoft.com/fwlink/?linkid=14202")]
- [Browsable (false)]
- public bool SmartNavigation {
- get { return _smartNavigation; }
- set { _smartNavigation = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Filterable (false)]
- [Browsable (false)]
- public virtual string StyleSheetTheme {
- get { return _styleSheetTheme; }
- set { _styleSheetTheme = value; }
- }
- [Browsable (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public virtual string Theme {
- get { return _theme; }
- set { _theme = value; }
- }
- void InitializeStyleSheet ()
- {
- if (_styleSheetTheme == null) {
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null)
- _styleSheetTheme = ps.StyleSheetTheme;
- }
- #if TARGET_JVM
- if (_styleSheetTheme != null && _styleSheetTheme != "")
- _styleSheetPageTheme = ThemeDirectoryCompiler.GetCompiledInstance (_styleSheetTheme, Context);
- #else
- if (!String.IsNullOrEmpty (_styleSheetTheme)) {
- string virtualPath = "~/App_Themes/" + _styleSheetTheme;
- _styleSheetPageTheme = BuildManager.CreateInstanceFromVirtualPath (virtualPath, typeof (PageTheme)) as PageTheme;
- }
- #endif
- }
- void InitializeTheme ()
- {
- if (_theme == null) {
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null)
- _theme = ps.Theme;
- }
- #if TARGET_JVM
- if (_theme != null && _theme != "") {
- _pageTheme = ThemeDirectoryCompiler.GetCompiledInstance (_theme, Context);
- _pageTheme.SetPage (this);
- }
- #else
- if (!String.IsNullOrEmpty (_theme)) {
- string virtualPath = "~/App_Themes/" + _theme;
- _pageTheme = BuildManager.CreateInstanceFromVirtualPath (virtualPath, typeof (PageTheme)) as PageTheme;
- if (_pageTheme != null)
- _pageTheme.SetPage (this);
- }
- #endif
- }
- #if NET_4_0
- public Control AutoPostBackControl {
- get { return _autoPostBackControl; }
- set { _autoPostBackControl = value; }
- }
-
- [BrowsableAttribute(false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public RouteData RouteData {
- get {
- if (_request == null)
- return null;
- RequestContext reqctx = _request.RequestContext;
- if (reqctx == null)
- return null;
- return reqctx.RouteData;
- }
- }
-
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Localizable (true)]
- public string MetaDescription {
- get {
- if (_metaDescription == null) {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- return String.Empty;
- } else
- return htmlHeader.Description;
- }
- return _metaDescription;
- }
-
- set {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- _metaDescription = value;
- } else
- htmlHeader.Description = value;
- }
- }
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Localizable (true)]
- public string MetaKeywords {
- get {
- if (_metaKeywords == null) {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- return String.Empty;
- } else
- return htmlHeader.Keywords;
- }
- return _metaDescription;
- }
-
- set {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- _metaKeywords = value;
- } else
- htmlHeader.Keywords = value;
- }
- }
- #endif
- [Localizable (true)]
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public string Title {
- get {
- if (_title == null) {
- if (htmlHeader != null && htmlHeader.Title != null)
- return htmlHeader.Title;
- return String.Empty;
- }
- return _title;
- }
- set {
- if (htmlHeader != null)
- htmlHeader.Title = value;
- else
- _title = value;
- }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public TraceContext Trace {
- get { return Context.Trace; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public bool TraceEnabled {
- get { return Trace.IsEnabled; }
- set { Trace.IsEnabled = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public TraceMode TraceModeValue {
- get { return Trace.TraceMode; }
- set { Trace.TraceMode = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected int TransactionMode {
- get { return _transactionMode; }
- set { _transactionMode = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string UICulture {
- get { return Thread.CurrentThread.CurrentUICulture.Name; }
- set { Thread.CurrentThread.CurrentUICulture = GetPageCulture (value, Thread.CurrentThread.CurrentUICulture); }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public IPrincipal User {
- get { return Context.User; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public ValidatorCollection Validators {
- get {
- if (_validators == null)
- _validators = new ValidatorCollection ();
- return _validators;
- }
- }
- [MonoTODO ("Use this when encrypting/decrypting ViewState")]
- [Browsable (false)]
- public string ViewStateUserKey {
- get { return viewStateUserKey; }
- set { viewStateUserKey = value; }
- }
- [Browsable (false)]
- public override bool Visible {
- get { return base.Visible; }
- set { base.Visible = value; }
- }
- #endregion
- #region Methods
- CultureInfo GetPageCulture (string culture, CultureInfo deflt)
- {
- if (culture == null)
- return deflt;
- CultureInfo ret = null;
- if (culture.StartsWith ("auto", StringComparison.InvariantCultureIgnoreCase)) {
- #if TARGET_J2EE
- if (!Context.IsServletRequest)
- return deflt;
- #endif
- string[] languages = Request.UserLanguages;
- try {
- if (languages != null && languages.Length > 0)
- ret = CultureInfo.CreateSpecificCulture (languages[0]);
- } catch {
- }
-
- if (ret == null)
- ret = deflt;
- } else
- ret = CultureInfo.CreateSpecificCulture (culture);
- return ret;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected IAsyncResult AspCompatBeginProcessRequest (HttpContext context,
- AsyncCallback cb,
- object extraData)
- {
- throw new NotImplementedException ();
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [MonoNotSupported ("Mono does not support classic ASP compatibility mode.")]
- protected void AspCompatEndProcessRequest (IAsyncResult result)
- {
- throw new NotImplementedException ();
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual HtmlTextWriter CreateHtmlTextWriter (TextWriter tw)
- {
- if (Request.BrowserMightHaveSpecialWriter)
- return Request.Browser.CreateHtmlTextWriter(tw);
- else
- return new HtmlTextWriter (tw);
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public void DesignerInitialize ()
- {
- InitRecursive (null);
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected internal virtual NameValueCollection DeterminePostBackMode ()
- {
- // if request was transfered from other page such Transfer
- if (_context.IsProcessingInclude)
- return null;
-
- HttpRequest req = Request;
- if (req == null)
- return null;
- NameValueCollection coll = null;
- if (0 == String.Compare (Request.HttpMethod, "POST", true, Helpers.InvariantCulture)
- #if TARGET_J2EE
- || !_context.IsServletRequest
- #endif
- )
- coll = req.Form;
- else {
- string query = Request.QueryStringRaw;
- if (query == null || query.Length == 0)
- return null;
- coll = req.QueryString;
- }
- WebROCollection c = (WebROCollection) coll;
- allow_load = !c.GotID;
- if (allow_load)
- c.ID = GetTypeHashCode ();
- else
- allow_load = (c.ID == GetTypeHashCode ());
- if (coll != null && coll ["__VIEWSTATE"] == null && coll ["__EVENTTARGET"] == null)
- return null;
- #if TARGET_J2EE
- if (getFacesContext () != null && _context.Handler != _context.CurrentHandler) {
- // check if it is PreviousPage
- string prevViewId = coll [PreviousPageID];
- if (!String.IsNullOrEmpty (prevViewId)) {
- string appPath = VirtualPathUtility.RemoveTrailingSlash (Request.ApplicationPath);
- prevViewId = prevViewId.Substring (appPath.Length);
- isCrossPagePostBack = String.Compare (prevViewId, getFacesContext ().getExternalContext ().getRequestPathInfo (), StringComparison.OrdinalIgnoreCase) == 0;
- }
- }
- #endif
- return coll;
- }
- public override Control FindControl (string id) {
- if (id == ID)
- return this;
- else
- return base.FindControl (id);
- }
- Control FindControl (string id, bool decode) {
- #if TARGET_J2EE
- if (decode)
- id = DecodeNamespace (id);
- #endif
- return FindControl (id);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackClientEvent (Control control, string argument)
- {
- return scriptManager.GetPostBackEventReference (control, argument);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackClientHyperlink. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackClientHyperlink (Control control, string argument)
- {
- return scriptManager.GetPostBackClientHyperlink (control, argument);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackEventReference (Control control)
- {
- return scriptManager.GetPostBackEventReference (control, String.Empty);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackEventReference (Control control, string argument)
- {
- return scriptManager.GetPostBackEventReference (control, argument);
- }
- internal void RequiresFormScriptDeclaration ()
- {
- requiresFormScriptDeclaration = true;
- }
-
- internal void RequiresPostBackScript ()
- {
- if (requiresPostBackScript)
- return;
- ClientScript.RegisterHiddenField (postEventSourceID, String.Empty);
- ClientScript.RegisterHiddenField (postEventArgumentID, String.Empty);
- requiresPostBackScript = true;
- RequiresFormScriptDeclaration ();
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public virtual int GetTypeHashCode ()
- {
- return 0;
- }
- [MonoTODO ("The following properties of OutputCacheParameters are silently ignored: CacheProfile, SqlDependency")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected internal virtual void InitOutputCache(OutputCacheParameters cacheSettings)
- {
- if (cacheSettings.Enabled) {
- InitOutputCache(cacheSettings.Duration,
- cacheSettings.VaryByContentEncoding,
- cacheSettings.VaryByHeader,
- cacheSettings.VaryByCustom,
- cacheSettings.Location,
- cacheSettings.VaryByParam);
- HttpResponse response = Response;
- HttpCachePolicy cache = response != null ? response.Cache : null;
- if (cache != null && cacheSettings.NoStore)
- cache.SetNoStore ();
- }
- }
-
- [MonoTODO ("varyByContentEncoding is not currently used")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected virtual void InitOutputCache(int duration,
- string varyByContentEncoding,
- string varyByHeader,
- string varyByCustom,
- OutputCacheLocation location,
- string varyByParam)
- {
- if (duration <= 0)
- // No need to do anything, cache will be ineffective anyway
- return;
-
- HttpResponse response = Response;
- HttpCachePolicy cache = response.Cache;
- bool set_vary = false;
- HttpContext ctx = Context;
- DateTime timestamp = ctx != null ? ctx.Timestamp : DateTime.Now;
-
- switch (location) {
- case OutputCacheLocation.Any:
- cache.SetCacheability (HttpCacheability.Public);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- set_vary = true;
- break;
- case OutputCacheLocation.Client:
- cache.SetCacheability (HttpCacheability.Private);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- break;
- case OutputCacheLocation.Downstream:
- cache.SetCacheability (HttpCacheability.Public);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- break;
- case OutputCacheLocation.Server:
- cache.SetCacheability (HttpCacheability.Server);
- set_vary = true;
- break;
- case OutputCacheLocation.None:
- break;
- }
- if (set_vary) {
- if (varyByCustom != null)
- cache.SetVaryByCustom (varyByCustom);
- if (varyByParam != null && varyByParam.Length > 0) {
- string[] prms = varyByParam.Split (';');
- foreach (string p in prms)
- cache.VaryByParams [p.Trim ()] = true;
- cache.VaryByParams.IgnoreParams = false;
- } else {
- cache.VaryByParams.IgnoreParams = true;
- }
-
- if (varyByHeader != null && varyByHeader.Length > 0) {
- string[] hdrs = varyByHeader.Split (';');
- foreach (string h in hdrs)
- cache.VaryByHeaders [h.Trim ()] = true;
- }
- if (PageAdapter != null) {
- if (PageAdapter.CacheVaryByParams != null) {
- foreach (string p in PageAdapter.CacheVaryByParams)
- cache.VaryByParams [p] = true;
- }
- if (PageAdapter.CacheVaryByHeaders != null) {
- foreach (string h in PageAdapter.CacheVaryByHeaders)
- cache.VaryByHeaders [h] = true;
- }
- }
- }
- response.IsCached = true;
- cache.Duration = duration;
- cache.SetExpires (timestamp.AddSeconds (duration));
- }
-
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected virtual void InitOutputCache (int duration,
- string varyByHeader,
- string varyByCustom,
- OutputCacheLocation location,
- string varyByParam)
- {
- InitOutputCache (duration, null, varyByHeader, varyByCustom, location, varyByParam);
- }
- [Obsolete ("The recommended alternative is ClientScript.IsClientScriptBlockRegistered(string key). http://go.microsoft.com/fwlink/?linkid=14202")]
- public bool IsClientScriptBlockRegistered (string key)
- {
- return scriptManager.IsClientScriptBlockRegistered (key);
- }
- [Obsolete ("The recommended alternative is ClientScript.IsStartupScriptRegistered(string key). http://go.microsoft.com/fwlink/?linkid=14202")]
- public bool IsStartupScriptRegistered (string key)
- {
- return scriptManager.IsStartupScriptRegistered (key);
- }
- public string MapPath (string virtualPath)
- {
- return Request.MapPath (virtualPath);
- }
-
- protected internal override void Render (HtmlTextWriter writer)
- {
- if (MaintainScrollPositionOnPostBack) {
- ClientScript.RegisterWebFormClientScript ();
- ClientScript.RegisterHiddenField (ScrollPositionXID, Request [ScrollPositionXID]);
- ClientScript.RegisterHiddenField (ScrollPositionYID, Request [ScrollPositionYID]);
- StringBuilder script = new StringBuilder ();
- script.AppendLine ("<script type=\"text/javascript\">");
- script.AppendLine (ClientScriptManager.SCRIPT_BLOCK_START);
- script.AppendLine (theForm + ".oldSubmit = " + theForm + ".submit;");
- script.AppendLine (theForm + ".submit = function () { " + WebFormScriptReference + ".WebForm_SaveScrollPositionSubmit(); }");
- script.AppendLine (theForm + ".oldOnSubmit = " + theForm + ".onsubmit;");
- script.AppendLine (theForm + ".onsubmit = function () { " + WebFormScriptReference + ".WebForm_SaveScrollPositionOnSubmit(); }");
- if (IsPostBack) {
- script.AppendLine (theForm + ".oldOnLoad = window.onload;");
- script.AppendLine ("window.onload = function () { " + WebFormScriptReference + ".WebForm_RestoreScrollPosition (); };");
- }
- script.AppendLine (ClientScriptManager.SCRIPT_BLOCK_END);
- script.AppendLine ("</script>");
-
- ClientScript.RegisterStartupScript (typeof (Page), "MaintainScrollPositionOnPostBackStartup", script.ToString());
- }
- #if TARGET_J2EE
- if (bool.Parse (WebConfigurationManager.AppSettings [RenderBodyContentOnlyKey] ?? "false")) {
- for (Control c = this.Form; c != null; c = c.Parent) {
- HtmlGenericControl ch = (c as HtmlGenericControl);
- if (ch != null && ch.TagName == "body") {
- ch.RenderChildren (writer);
- return;
- }
- }
- }
- #endif
- base.Render (writer);
- }
- void RenderPostBackScript (HtmlTextWriter writer, string formUniqueID)
- {
- writer.WriteLine ();
- ClientScriptManager.WriteBeginScriptBlock (writer);
- RenderClientScriptFormDeclaration (writer, formUniqueID);
- writer.WriteLine (WebFormScriptReference + "._form = " + theForm + ";");
- writer.WriteLine (WebFormScriptReference + ".__doPostBack = function (eventTarget, eventArgument) {");
- writer.WriteLine ("\tif(" + theForm + ".onsubmit && " + theForm + ".onsubmit() == false) return;");
- writer.WriteLine ("\t" + theForm + "." + postEventSourceID + ".value = eventTarget;");
- writer.WriteLine ("\t" + theForm + "." + postEventArgumentID + ".value = eventArgument;");
- writer.WriteLine ("\t" + theForm + ".submit();");
- writer.WriteLine ("}");
- ClientScriptManager.WriteEndScriptBlock (writer);
- }
- void RenderClientScriptFormDeclaration (HtmlTextWriter writer, string formUniqueID)
- {
- if (formScriptDeclarationRendered)
- return;
-
- if (PageAdapter != null) {
- writer.WriteLine ("\tvar {0} = {1};\n", theForm, PageAdapter.GetPostBackFormReference(formUniqueID));
- } else {
- writer.WriteLine ("\tvar {0};\n\tif (document.getElementById) {{ {0} = document.getElementById ('{1}'); }}", theForm, formUniqueID);
- writer.WriteLine ("\telse {{ {0} = document.{1}; }}", theForm, formUniqueID);
- }
- #if TARGET_J2EE
- // TODO implement callback on portlet
- string serverUrl = Request.RawUrl;
- writer.WriteLine ("\t{0}.serverURL = {1};", theForm, ClientScriptManager.GetScriptLiteral (serverUrl));
- writer.WriteLine ("\twindow.TARGET_J2EE = true;");
- writer.WriteLine ("\twindow.IsMultiForm = {0};", IsMultiForm ? "true" : "false");
- #endif
- formScriptDeclarationRendered = true;
- }
- internal void OnFormRender (HtmlTextWriter writer, string formUniqueID)
- {
- if (renderingForm)
- throw new HttpException ("Only 1 HtmlForm is allowed per page.");
- renderingForm = true;
- writer.WriteLine ();
- if (requiresFormScriptDeclaration || (scriptManager != null && scriptManager.ScriptsPresent) || PageAdapter != null) {
- ClientScriptManager.WriteBeginScriptBlock (writer);
- RenderClientScriptFormDeclaration (writer, formUniqueID);
- ClientScriptManager.WriteEndScriptBlock (writer);
- }
- if (handleViewState)
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- javax.faces.application.ViewHandler viewHandler = getFacesContext ().getApplication ().getViewHandler ();
- javax.faces.context.ResponseWriter oldFacesWriter = SetupResponseWriter (writer);
- try {
- viewHandler.writeState (getFacesContext ());
- }
- finally {
- getFacesContext ().setResponseWriter (oldFacesWriter);
- }
- } else
- #endif
- scriptManager.RegisterHiddenField ("__VIEWSTATE", _savedViewState);
- scriptManager.WriteHiddenFields (writer);
- if (requiresPostBackScript) {
- RenderPostBackScript (writer, formUniqueID);
- postBackScriptRendered = true;
- }
- scriptManager.WriteWebFormClientScript (writer);
- scriptManager.WriteClientScriptBlocks (writer);
- }
- internal IStateFormatter GetFormatter ()
- {
- return new ObjectStateFormatter (this);
- }
- internal string GetSavedViewState ()
- {
- return _savedViewState;
- }
- internal void OnFormPostRender (HtmlTextWriter writer, string formUniqueID)
- {
- scriptManager.SaveEventValidationState ();
- scriptManager.WriteExpandoAttributes (writer);
- scriptManager.WriteHiddenFields (writer);
- if (!postBackScriptRendered && requiresPostBackScript)
- RenderPostBackScript (writer, formUniqueID);
- scriptManager.WriteWebFormClientScript (writer);
- scriptManager.WriteArrayDeclares (writer);
- scriptManager.WriteStartupScriptBlocks (writer);
- renderingForm = false;
- postBackScriptRendered = false;
- }
- void ProcessPostData (NameValueCollection data, bool second)
- {
- NameValueCollection requestValues = _requestValueCollection == null ? new NameValueCollection (SecureHashCodeProvider.DefaultInvariant, CaseInsensitiveComparer.DefaultInvariant) : _requestValueCollection;
-
- if (data != null && data.Count > 0) {
- var used = new Dictionary <string, string> (StringComparer.Ordinal);
- foreach (string id in data.AllKeys) {
- if (id == "__VIEWSTATE" || id == postEventSourceID || id == postEventArgumentID || id == ClientScriptManager.EventStateFieldName)
- continue;
-
- if (used.ContainsKey (id))
- continue;
- used.Add (id, id);
- Control ctrl = FindControl (id, true);
- if (ctrl != null) {
- IPostBackDataHandler pbdh = ctrl as IPostBackDataHandler;
- IPostBackEventHandler pbeh = ctrl as IPostBackEventHandler;
- if (pbdh == null) {
- if (pbeh != null)
- formPostedRequiresRaiseEvent = pbeh;
- continue;
- }
-
- if (pbdh.LoadPostData (id, requestValues) == true) {
- if (requiresPostDataChanged == null)
- requiresPostDataChanged = new List <IPostBackDataHandler> ();
- requiresPostDataChanged.Add (pbdh);
- }
-
- if (_requiresPostBackCopy != null)
- _requiresPostBackCopy.Remove (id);
- } else if (!second) {
- if (secondPostData == null)
- secondPostData = new NameValueCollection (SecureHashCodeProvider.DefaultInvariant, CaseInsensitiveComparer.DefaultInvariant);
- secondPostData.Add (id, data [id]);
- }
- }
- }
- List <string> list1 = null;
- if (_requiresPostBackCopy != null && _requiresPostBackCopy.Count > 0) {
- string [] handlers = (string []) _requiresPostBackCopy.ToArray ();
- foreach (string id in handlers) {
- IPostBackDataHandler pbdh = FindControl (id, true) as IPostBackDataHandler;
- if (pbdh != null) {
- _requiresPostBackCopy.Remove (id);
- if (pbdh.LoadPostData (id, requestValues)) {
- if (requiresPostDataChanged == null)
- requiresPostDataChanged = new List <IPostBackDataHandler> ();
-
- requiresPostDataChanged.Add (pbdh);
- }
- } else if (!second) {
- if (list1 == null)
- list1 = new List <string> ();
- list1.Add (id);
- }
- }
- }
- _requiresPostBackCopy = second ? null : list1;
- if (second)
- secondPostData = null;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public virtual void ProcessRequest (HttpContext context)
- {
- SetContext (context);
- #if TARGET_J2EE
- bool wasException = false;
- IHttpHandler jsfHandler = getFacesContext () != null ? EnterThread () : null;
- #endif
-
- if (clientTarget != null)
- Request.ClientTarget = clientTarget;
- WireupAutomaticEvents ();
- //-- Control execution lifecycle in the docs
- // Save culture information because it can be modified in FrameworkInitialize()
- _appCulture = Thread.CurrentThread.CurrentCulture;
- _appUICulture = Thread.CurrentThread.CurrentUICulture;
- FrameworkInitialize ();
- #if NET_4_0
- frameworkInitialized = true;
- #endif
- context.ErrorPage = _errorPage;
- try {
- InternalProcessRequest ();
- #if TARGET_J2EE
- } catch (Exception ex) {
- wasException = true;
- HandleException (ex);
- #else
- } catch (ThreadAbortException taex) {
- if (FlagEnd.Value == taex.ExceptionState)
- Thread.ResetAbort ();
- else
- throw;
- } catch (Exception e) {
- ProcessException (e);
- #endif
- } finally {
- #if TARGET_J2EE
- if (getFacesContext () != null)
- ExitThread (jsfHandler);
- else if (!wasException)
- #endif
- ProcessUnload ();
- }
- }
- void ProcessException (Exception e) {
- // We want to remove that error, as we're rethrowing to stop
- // further processing.
- Trace.Warn ("Unhandled Exception", e.ToString (), e);
- _context.AddError (e); // OnError might access LastError
- OnError (EventArgs.Empty);
- if (_context.HasError (e)) {
- _context.ClearError (e);
- #if TARGET_JVM
- vmw.common.TypeUtils.Throw (e);
- #else
- throw new HttpUnhandledException (null, e);
- #endif
- }
- }
- void ProcessUnload () {
- try {
- RenderTrace ();
- UnloadRecursive (true);
- } catch {}
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- if(IsCrossPagePostBack)
- _context.Items [CrossPagePostBack] = this;
- }
- #endif
- if (Thread.CurrentThread.CurrentCulture.Equals (_appCulture) == false)
- Thread.CurrentThread.CurrentCulture = _appCulture;
- if (Thread.CurrentThread.CurrentUICulture.Equals (_appUICulture) == false)
- Thread.CurrentThread.CurrentUICulture = _appUICulture;
-
- _appCulture = null;
- _appUICulture = null;
- }
-
- delegate void ProcessRequestDelegate (HttpContext context);
- sealed class DummyAsyncResult : IAsyncResult
- {
- readonly object state;
- readonly WaitHandle asyncWaitHandle;
- readonly bool completedSynchronously;
- readonly bool isCompleted;
- public DummyAsyncResult (bool isCompleted, bool completedSynchronously, object state)
- {
- this.isCompleted = isCompleted;
- this.completedSynchronously = completedSynchronously;
- this.state = state;
- if (isCompleted) {
- asyncWaitHandle = new ManualResetEvent (true);
- }
- else {
- asyncWaitHandle = new ManualResetEvent (false);
- }
- }
- #region IAsyncResult Members
- public object AsyncState {
- get { return state; }
- }
- public WaitHandle AsyncWaitHandle {
- get { return asyncWaitHandle; }
- }
- public bool CompletedSynchronously {
- get { return completedSynchronously; }
- }
- public bool IsCompleted {
- get { return isCompleted; }
- }
- #endregion
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected IAsyncResult AsyncPageBeginProcessRequest (HttpContext context, AsyncCallback callback, object extraData)
- {
- ProcessRequest (context);
- DummyAsyncResult asyncResult = new DummyAsyncResult (true, true, extraData);
- if (callback != null) {
- callback (asyncResult);
- }
-
- return asyncResult;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected void AsyncPageEndProcessRequest (IAsyncResult result)
- {
- }
-
- void InternalProcessRequest ()
- {
- if (PageAdapter != null)
- _requestValueCollection = PageAdapter.DeterminePostBackMode();
- else
- _requestValueCollection = this.DeterminePostBackMode();
- // http://msdn2.microsoft.com/en-us/library/ms178141.aspx
- if (_requestValueCollection != null) {
- if (!isCrossPagePostBack && _requestValueCollection [PreviousPageID] != null && _requestValueCollection [PreviousPageID] != Request.FilePath) {
- _doLoadPreviousPage = true;
- } else {
- isCallback = _requestValueCollection [CallbackArgumentID] != null;
- // LAMESPEC: on Callback IsPostBack is set to false, but true.
- //isPostBack = !isCallback;
- isPostBack = true;
- }
-
- string lastFocus = _requestValueCollection [LastFocusID];
- if (!String.IsNullOrEmpty (lastFocus))
- _focusedControlID = UniqueID2ClientID (lastFocus);
- }
-
- if (!isCrossPagePostBack) {
- if (_context.PreviousHandler is Page)
- previousPage = (Page) _context.PreviousHandler;
- }
- Trace.Write ("aspx.page", "Begin PreInit");
- OnPreInit (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreInit");
- InitializeTheme ();
- ApplyMasterPage ();
- Trace.Write ("aspx.page", "Begin Init");
- InitRecursive (null);
- Trace.Write ("aspx.page", "End Init");
- Trace.Write ("aspx.page", "Begin InitComplete");
- OnInitComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End InitComplete");
-
- renderingForm = false;
- #if TARGET_J2EE
- if (getFacesContext () != null)
- if (IsPostBack || IsCallback)
- return;
- #endif
- RestorePageState ();
- ProcessPostData ();
- ProcessRaiseEvents ();
- if (ProcessLoadComplete ())
- return;
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- getFacesContext ().renderResponse ();
- return;
- }
- #endif
- RenderPage ();
- }
- void RestorePageState ()
- {
- if (IsPostBack || IsCallback) {
- if (_requestValueCollection != null)
- scriptManager.RestoreEventValidationState (
- _requestValueCollection [ClientScriptManager.EventStateFieldName]);
- Trace.Write ("aspx.page", "Begin LoadViewState");
- LoadPageViewState ();
- Trace.Write ("aspx.page", "End LoadViewState");
- }
- }
- void ProcessPostData ()
- {
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin ProcessPostData");
- ProcessPostData (_requestValueCollection, false);
- Trace.Write ("aspx.page", "End ProcessPostData");
- }
- ProcessLoad ();
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin ProcessPostData Second Try");
- ProcessPostData (secondPostData, true);
- Trace.Write ("aspx.page", "End ProcessPostData Second Try");
- }
- }
- void ProcessLoad ()
- {
- Trace.Write ("aspx.page", "Begin PreLoad");
- OnPreLoad (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreLoad");
- Trace.Write ("aspx.page", "Begin Load");
- LoadRecursive ();
- Trace.Write ("aspx.page", "End Load");
- }
- void ProcessRaiseEvents ()
- {
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin Raise ChangedEvents");
- RaiseChangedEvents ();
- Trace.Write ("aspx.page", "End Raise ChangedEvents");
- Trace.Write ("aspx.page", "Begin Raise PostBackEvent");
- RaisePostBackEvents ();
- Trace.Write ("aspx.page", "End Raise PostBackEvent");
- }
- }
- bool ProcessLoadComplete ()
- {
- Trace.Write ("aspx.page", "Begin LoadComplete");
- OnLoadComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End LoadComplete");
- if (IsCrossPagePostBack)
- return true;
- if (IsCallback) {
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- _callbackTarget = GetCallbackTarget ();
- ProcessRaiseCallbackEvent (_callbackTarget, ref _callbackEventError);
- return true;
- }
- #endif
- string result = ProcessCallbackData ();
- HtmlTextWriter callbackOutput = new HtmlTextWriter (Response.Output);
- callbackOutput.Write (result);
- callbackOutput.Flush ();
- return true;
- }
-
- Trace.Write ("aspx.page", "Begin PreRender");
- PreRenderRecursiveInternal ();
- Trace.Write ("aspx.page", "End PreRender");
-
- ExecuteRegisteredAsyncTasks ();
- Trace.Write ("aspx.page", "Begin PreRenderComplete");
- OnPreRenderComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreRenderComplete");
- Trace.Write ("aspx.page", "Begin SaveViewState");
- SavePageViewState ();
- Trace.Write ("aspx.page", "End SaveViewState");
-
- Trace.Write ("aspx.page", "Begin SaveStateComplete");
- OnSaveStateComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End SaveStateComplete");
- return false;
- }
- internal void RenderPage ()
- {
- scriptManager.ResetEventValidationState ();
-
- //--
- Trace.Write ("aspx.page", "Begin Render");
- HtmlTextWriter output = CreateHtmlTextWriter (Response.Output);
- RenderControl (output);
- Trace.Write ("aspx.page", "End Render");
- }
- internal void SetContext (HttpContext context)
- {
- _context = context;
- _application = context.Application;
- _response = context.Response;
- _request = context.Request;
- _cache = context.Cache;
- }
- void RenderTrace ()
- {
- TraceManager traceManager = HttpRuntime.TraceManager;
- if (Trace.HaveTrace && !Trace.IsEnabled || !Trace.HaveTrace && !traceManager.Enabled)
- return;
-
- Trace.SaveData ();
- if (!Trace.HaveTrace && traceManager.Enabled && !traceManager.PageOutput)
- return;
- if (!traceManager.LocalOnly || Context.Request.IsLocal) {
- HtmlTextWriter output = new HtmlTextWriter (Response.Output);
- Trace.Render (output);
- }
- }
-
- void RaisePostBackEvents ()
- {
- if (requiresRaiseEvent != null) {
- RaisePostBackEvent (requiresRaiseEvent, null);
- return;
- }
- if (formPostedRequiresRaiseEvent != null) {
- RaisePostBackEvent (formPostedRequiresRaiseEvent, null);
- return;
- }
-
- NameValueCollection postdata = _requestValueCollection;
- if (postdata == null)
- return;
- string eventTarget = postdata [postEventSourceID];
- IPostBackEventHandler target;
- if (String.IsNullOrEmpty (eventTarget)) {
- #if NET_4_0
- target = AutoPostBackControl as IPostBackEventHandler;
- if (target != null)
- RaisePostBackEvent (target, null);
- else
- #endif
- if (formPostedRequiresRaiseEvent != null)
- RaisePostBackEvent (formPostedRequiresRaiseEvent, null);
- else
- Validate ();
- return;
- }
- target = FindControl (eventTarget, true) as IPostBackEventHandler;
- #if NET_4_0
- if (target == null)
- target = AutoPostBackControl as IPostBackEventHandler;
- #endif
- if (target == null)
- return;
- string eventArgument = postdata [postEventArgumentID];
- RaisePostBackEvent (target, eventArgument);
- }
- internal void RaiseChangedEvents ()
- {
- if (requiresPostDataChanged == null)
- return;
- foreach (IPostBackDataHandler ipdh in requiresPostDataChanged)
- ipdh.RaisePostDataChangedEvent ();
- requiresPostDataChanged = null;
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual void RaisePostBackEvent (IPostBackEventHandler sourceControl, string eventArgument)
- {
- sourceControl.RaisePostBackEvent (eventArgument);
- }
-
- [Obsolete ("The recommended alternative is ClientScript.RegisterArrayDeclaration(string arrayName, string arrayValue). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterArrayDeclaration (string arrayName, string arrayValue)
- {
- scriptManager.RegisterArrayDeclaration (arrayName, arrayValue);
- }
- [Obsolete ("The recommended alternative is ClientScript.RegisterClientScriptBlock(Type type, string key, string script). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterClientScriptBlock (string key, string script)
- {
- scriptManager.RegisterClientScriptBlock (key, script);
- }
- [Obsolete]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterHiddenField (string hiddenFieldName, string hiddenFieldInitialValue)
- {
- scriptManager.RegisterHiddenField (hiddenFieldName, hiddenFieldInitialValue);
- }
- [MonoTODO("Not implemented, Used in HtmlForm")]
- internal void RegisterClientScriptFile (string a, string b, string c)
- {
- throw new NotImplementedException ();
- }
- [Obsolete ("The recommended alternative is ClientScript.RegisterOnSubmitStatement(Type type, string key, string script). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterOnSubmitStatement (string key, string script)
- {
- scriptManager.RegisterOnSubmitStatement (key, script);
- }
- internal string GetSubmitStatements ()
- {
- return scriptManager.WriteSubmitStatements ();
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterRequiresPostBack (Control control)
- {
- if (!(control is IPostBackDataHandler))
- throw new HttpException ("The control to register does not implement the IPostBackDataHandler interface.");
-
- if (_requiresPostBack == null)
- _requiresPostBack = new List <string> ();
- string uniqueID = control.UniqueID;
- if (_requiresPostBack.Contains (uniqueID))
- return;
- _requiresPostBack.Add (uniqueID);
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterRequiresRaiseEvent (IPostBackEventHandler control)
- {
- requiresRaiseEvent = control;
- }
- [Obsolete ("The recommended alternative is ClientScript.RegisterStartupScript(Type type, string key, string script). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterStartupScript (string key, string script)
- {
- scriptManager.RegisterStartupScript (key, script);
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterViewStateHandler ()
- {
- handleViewState = true;
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual void SavePageStateToPersistenceMedium (object viewState)
- {
- PageStatePersister persister = this.PageStatePersister;
- if (persister == null)
- return;
- Pair pair = viewState as Pair;
- if (pair != null) {
- persister.ViewState = pair.First;
- persister.ControlState = pair.Second;
- } else
- persister.ViewState = viewState;
- persister.Save ();
- }
- internal string RawViewState {
- get {
- NameValueCollection postdata = _requestValueCollection;
- string view_state;
- if (postdata == null || (view_state = postdata ["__VIEWSTATE"]) == null)
- return null;
- if (view_state == String.Empty)
- return null;
- return view_state;
- }
-
- set { _savedViewState = value; }
- }
- protected virtual PageStatePersister PageStatePersister {
- get {
- if (page_state_persister == null && PageAdapter != null)
- page_state_persister = PageAdapter.GetStatePersister();
- if (page_state_persister == null)
- page_state_persister = new HiddenFieldPageStatePersister (this);
- return page_state_persister;
- }
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual object LoadPageStateFromPersistenceMedium ()
- {
- PageStatePersister persister = this.PageStatePersister;
- if (persister == null)
- return null;
- persister.Load ();
- return new Pair (persister.ViewState, persister.ControlState);
- }
- internal void LoadPageViewState ()
- {
- Pair sState = LoadPageStateFromPersistenceMedium () as Pair;
- if (sState != null) {
- if (allow_load || isCrossPagePostBack) {
- LoadPageControlState (sState.Second);
- Pair vsr = sState.First as Pair;
- if (vsr != null) {
- LoadViewStateRecursive (vsr.First);
- _requiresPostBackCopy = vsr.Second as List <string>;
- }
- }
- }
- }
- internal void SavePageViewState ()
- {
- if (!handleViewState)
- return;
- object controlState = SavePageControlState ();
- Pair vsr = null;
- object viewState = null;
-
- if (EnableViewState
- #if NET_4_0
- && this.ViewStateMode == ViewStateMode.Enabled
- #endif
- )
- viewState = SaveViewStateRecursive ();
-
- object reqPostback = (_requiresPostBack != null && _requiresPostBack.Count > 0) ? _requiresPostBack : null;
- if (viewState != null || reqPostback != null)
- vsr = new Pair (viewState, reqPostback);
- Pair pair = new Pair ();
- pair.First = vsr;
- pair.Second = controlState;
- if (pair.First == null && pair.Second == null)
- SavePageStateToPersistenceMedium (null);
- else
- SavePageStateToPersistenceMedium (pair);
- }
- public virtual void Validate ()
- {
- is_validated = true;
- ValidateCollection (_validators);
- }
- internal bool AreValidatorsUplevel ()
- {
- return AreValidatorsUplevel (String.Empty);
- }
- internal bool AreValidatorsUplevel (string valGroup)
- {
- bool uplevel = false;
- foreach (IValidator v in Validators) {
- BaseValidator bv = v as BaseValidator;
- if (bv == null)
- continue;
- if (valGroup != bv.ValidationGroup)
- continue;
- if (bv.GetRenderUplevel()) {
- uplevel = true;
- break;
- }
- }
- return uplevel;
- }
- bool ValidateCollection (ValidatorCollection validators)
- {
- if (validators == null || validators.Count == 0)
- return true;
- bool all_valid = true;
- foreach (IValidator v in validators){
- v.Validate ();
- if (v.IsValid == false)
- all_valid = false;
- }
- return all_valid;
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void VerifyRenderingInServerForm (Control control)
- {
- if (Context == null)
- return;
- if (IsCallback)
- return;
- if (!renderingForm)
- throw new HttpException ("Control '" +
- control.ClientID +
- "' of type '" +
- control.GetType ().Name +
- "' must be placed inside a form tag with runat=server.");
- }
- protected override void FrameworkInitialize ()
- {
- base.FrameworkInitialize ();
- InitializeStyleSheet ();
- }
- #endregion
-
- public ClientScriptManager ClientScript {
- get { return scriptManager; }
- }
- internal static readonly object InitCompleteEvent = new object ();
- internal static readonly object LoadCompleteEvent = new object ();
- internal static readonly object PreInitEvent = new object ();
- internal static readonly object PreLoadEvent = new object ();
- internal static readonly object PreRenderCompleteEvent = new object ();
- internal static readonly object SaveStateCompleteEvent = new object ();
- int event_mask;
- const int initcomplete_mask = 1;
- const int loadcomplete_mask = 1 << 1;
- const int preinit_mask = 1 << 2;
- const int preload_mask = 1 << 3;
- const int prerendercomplete_mask = 1 << 4;
- const int savestatecomplete_mask = 1 << 5;
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public event EventHandler InitComplete {
- add {
- event_mask |= initcomplete_mask;
- Events.AddHandler (InitCompleteEvent, value);
- }
- remove { Events.RemoveHandler (InitCompleteEvent, value); }
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public event EventHandler LoadComplete {
- add {
- event_mask |= loadcomplete_mask;
- Events.AddHandler (LoadCompleteEvent, value);
- }
- remove { Events.RemoveHandler (LoadCompleteEvent, value); }
- }
-
- public event EventHandler PreInit {
- add {
- event_mask |= preinit_mask;
- Events.AddHandler (PreInitEvent, value);
- }
- remove { Events.RemoveHandler (PreInitEvent, value); }
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public event EventHandler PreLoad {
- add {
- event_mask |= preload_mask;
- Events.AddHandler (PreLoadEvent, value);
- }
- remove { Events.RemoveHandler (PreLoadEvent, value); }
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public event EventHandler PreRenderComplete {
- add {
- event_mask |= prerendercomplete_mask;
- Events.AddHandler (PreRenderCompleteEvent, value);
- }
- remove { Events.RemoveHandler (PreRenderCompleteEvent, value); }
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public event EventHandler SaveStateComplete {
- add {
- event_mask |= savestatecomplete_mask;
- Events.AddHandler (SaveStateCompleteEvent, value);
- }
- remove { Events.RemoveHandler (SaveStateCompleteEvent, value); }
- }
-
- protected virtual void OnInitComplete (EventArgs e)
- {
- if ((event_mask & initcomplete_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [InitCompleteEvent]);
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnLoadComplete (EventArgs e)
- {
- if ((event_mask & loadcomplete_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [LoadCompleteEvent]);
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnPreInit (EventArgs e)
- {
- if ((event_mask & preinit_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [PreInitEvent]);
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnPreLoad (EventArgs e)
- {
- if ((event_mask & preload_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [PreLoadEvent]);
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnPreRenderComplete (EventArgs e)
- {
- if ((event_mask & prerendercomplete_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [PreRenderCompleteEvent]);
- if (eh != null) eh (this, e);
- }
- if (Form == null)
- return;
- if (!Form.DetermineRenderUplevel ())
- return;
- string defaultButtonId = Form.DefaultButton;
- /* figure out if we have some control we're going to focus */
- if (String.IsNullOrEmpty (_focusedControlID)) {
- _focusedControlID = Form.DefaultFocus;
- if (String.IsNullOrEmpty (_focusedControlID))
- _focusedControlID = defaultButtonId;
- }
- if (!String.IsNullOrEmpty (_focusedControlID)) {
- ClientScript.RegisterWebFormClientScript ();
-
- ClientScript.RegisterStartupScript (
- typeof(Page),
- "HtmlForm-DefaultButton-StartupScript",
- "\n" + WebFormScriptReference + ".WebForm_AutoFocus('" + _focusedControlID + "');\n", true);
- }
-
- if (Form.SubmitDisabledControls && _hasEnabledControlArray) {
- ClientScript.RegisterWebFormClientScript ();
- ClientScript.RegisterOnSubmitStatement (
- typeof (Page),
- "HtmlForm-SubmitDisabledControls-SubmitStatement",
- WebFormScriptReference + ".WebForm_ReEnableControls();");
- }
- }
- internal void RegisterEnabledControl (Control control)
- {
- if (Form == null || !Page.Form.SubmitDisabledControls || !Page.Form.DetermineRenderUplevel ())
- return;
- _hasEnabledControlArray = true;
- Page.ClientScript.RegisterArrayDeclaration (EnabledControlArrayID, String.Concat ("'", control.ClientID, "'"));
- }
-
- protected virtual void OnSaveStateComplete (EventArgs e)
- {
- if ((event_mask & savestatecomplete_mask) != 0) {
- EventHandler eh = (EventHandler) (Events [SaveStateCompleteEvent]);
- if (eh != null) eh (this, e);
- }
- }
-
- public HtmlForm Form {
- get { return _form; }
- }
-
- internal void RegisterForm (HtmlForm form)
- {
- _form = form;
- }
- public string ClientQueryString {
- get { return Request.UrlComponents.Query; }
- }
- [BrowsableAttribute (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public Page PreviousPage {
- get {
- if (_doLoadPreviousPage) {
- _doLoadPreviousPage = false;
- LoadPreviousPageReference ();
- }
- return previousPage;
- }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public bool IsCallback {
- get { return isCallback; }
- }
-
- [BrowsableAttribute (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public bool IsCrossPagePostBack {
- get { return isCrossPagePostBack; }
- }
- [Browsable (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public new virtual char IdSeparator {
- get {
- //TODO: why override?
- return base.IdSeparator;
- }
- }
-
- string ProcessCallbackData ()
- {
- ICallbackEventHandler target = GetCallbackTarget ();
- string callbackEventError = String.Empty;
- ProcessRaiseCallbackEvent (target, ref callbackEventError);
- return ProcessGetCallbackResult (target, callbackEventError);
- }
- ICallbackEventHandler GetCallbackTarget ()
- {
- string callbackTarget = _requestValueCollection [CallbackSourceID];
- if (callbackTarget == null || callbackTarget.Length == 0)
- throw new HttpException ("Callback target not provided.");
- Control targetControl = FindControl (callbackTarget, true);
- ICallbackEventHandler target = targetControl as ICallbackEventHandler;
- if (target == null)
- throw new HttpException (string.Format ("Invalid callback target '{0}'.", callbackTarget));
- return target;
- }
- void ProcessRaiseCallbackEvent (ICallbackEventHandler target, ref string callbackEventError)
- {
- string callbackArgument = _requestValueCollection [CallbackArgumentID];
- try {
- target.RaiseCallbackEvent (callbackArgument);
- } catch (Exception ex) {
- callbackEventError = String.Concat ("e", RuntimeHelpers.DebuggingEnabled ? ex.ToString () : ex.Message);
- }
-
- }
- string ProcessGetCallbackResult (ICallbackEventHandler target, string callbackEventError)
- {
- string callBackResult;
- try {
- callBackResult = target.GetCallbackResult ();
- } catch (Exception ex) {
- return String.Concat ("e", RuntimeHelpers.DebuggingEnabled ? ex.ToString () : ex.Message);
- }
-
- string eventValidation = ClientScript.GetEventValidationStateFormatted ();
- return callbackEventError + (eventValidation == null ? "0" : eventValidation.Length.ToString ()) + "|" +
- eventValidation + callBackResult;
- }
- [BrowsableAttribute (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public HtmlHead Header {
- get { return htmlHeader; }
- }
-
- internal void SetHeader (HtmlHead header)
- {
- htmlHeader = header;
- if (header == null)
- return;
-
- if (_title != null) {
- htmlHeader.Title = _title;
- _title = null;
- }
- #if NET_4_0
- if (_metaDescription != null) {
- htmlHeader.Description = _metaDescription;
- _metaDescription = null;
- }
- if (_metaKeywords != null) {
- htmlHeader.Keywords = _metaKeywords;
- _metaKeywords = null;
- }
- #endif
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected bool AsyncMode {
- get { return asyncMode; }
- set { asyncMode = value; }
- }
- [Browsable (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public TimeSpan AsyncTimeout {
- get { return asyncTimeout; }
- set { asyncTimeout = value; }
- }
- public bool IsAsync {
- get { return AsyncMode; }
- }
- protected internal virtual string UniqueFilePathSuffix {
- get {
- if (String.IsNullOrEmpty (uniqueFilePathSuffix))
- uniqueFilePathSuffix = "__ufps=" + AppRelativeVirtualPath.GetHashCode ().ToString ("x");
- return uniqueFilePathSuffix;
- }
- }
- [MonoTODO ("Actually use the value in code.")]
- [Browsable (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public int MaxPageStateFieldLength {
- get { return maxPageStateFieldLength; }
- set { maxPageStateFieldLength = value; }
- }
- public void AddOnPreRenderCompleteAsync (BeginEventHandler beginHandler, EndEventHandler endHandler)
- {
- AddOnPreRenderCompleteAsync (beginHandler, endHandler, null);
- }
- public void AddOnPreRenderCompleteAsync (BeginEventHandler beginHandler, EndEventHandler endHandler, Object state)
- {
- if (!IsAsync) {
- throw new InvalidOperationException ("AddOnPreRenderCompleteAsync called and Page.IsAsync == false");
- }
- if (IsPrerendered) {
- throw new InvalidOperationException ("AddOnPreRenderCompleteAsync can only be called before and during PreRender.");
- }
- if (beginHandler == null) {
- throw new ArgumentNullException ("beginHandler");
- }
- if (endHandler == null) {
- throw new ArgumentNullException ("endHandler");
- }
- RegisterAsyncTask (new PageAsyncTask (beginHandler, endHandler, null, state, false));
- }
- List<PageAsyncTask> ParallelTasks {
- get {
- if (parallelTasks == null)
- parallelTasks = new List<PageAsyncTask>();
- return parallelTasks;
- }
- }
- List<PageAsyncTask> SerialTasks {
- get {
- if (serialTasks == null)
- serialTasks = new List<PageAsyncTask> ();
- return serialTasks;
- }
- }
- public void RegisterAsyncTask (PageAsyncTask task)
- {
- if (task == null)
- throw new ArgumentNullException ("task");
- if (task.ExecuteInParallel)
- ParallelTasks.Add (task);
- else
- SerialTasks.Add (task);
- }
- public void ExecuteRegisteredAsyncTasks ()
- {
- if ((parallelTasks == null || parallelTasks.Count == 0) &&
- (serialTasks == null || serialTasks.Count == 0)){
- return;
- }
- if (parallelTasks != null) {
- DateTime startExecution = DateTime.Now;
- List<PageAsyncTask> localParallelTasks = parallelTasks;
- parallelTasks = null; // Shouldn't execute tasks twice
- List<IAsyncResult> asyncResults = new List<IAsyncResult>();
- foreach (PageAsyncTask parallelTask in localParallelTasks) {
- IAsyncResult result = parallelTask.BeginHandler (this, EventArgs.Empty, new AsyncCallback (EndAsyncTaskCallback), parallelTask);
- if (result.CompletedSynchronously)
- parallelTask.EndHandler (result);
- else
- asyncResults.Add (result);
- }
- if (asyncResults.Count > 0) {
- #if TARGET_JVM
- TimeSpan timeout = AsyncTimeout;
- long t1 = DateTime.Now.Ticks;
- bool signalled = true;
- for (int i = 0; i < asyncResults.Count; i++) {
- if (asyncResults [i].IsCompleted)
- continue;
- if (signalled)
- signalled = asyncResults [i].AsyncWaitHandle.WaitOne (timeout, false);
- if (signalled) {
- long t2 = DateTime.Now.Ticks;
- timeout = AsyncTimeout - TimeSpan.FromTicks (t2 - t1);
- if (timeout.Ticks <= 0)
- signalled = false;
- } else
- localParallelTasks [i].TimeoutHandler (asyncResults [i]);
- }
- #else
- WaitHandle [] waitArray = new WaitHandle [asyncResults.Count];
- int i = 0;
- for (i = 0; i < asyncResults.Count; i++) {
- waitArray [i] = asyncResults [i].AsyncWaitHandle;
- }
-
- bool allSignalled = WaitHandle.WaitAll (waitArray, AsyncTimeout, false);
- if (!allSignalled) {
- for (i = 0; i < asyncResults.Count; i++) {
- if (!asyncResults [i].IsCompleted) {
- localParallelTasks [i].TimeoutHandler (asyncResults [i]);
- }
- }
- }
- #endif
- }
- DateTime endWait = DateTime.Now;
- TimeSpan elapsed = endWait - startExecution;
- if (elapsed <= AsyncTimeout)
- AsyncTimeout -= elapsed;
- else
- AsyncTimeout = TimeSpan.FromTicks(0);
- }
- if (serialTasks != null) {
- List<PageAsyncTask> localSerialTasks = serialTasks;
- serialTasks = null; // Shouldn't execute tasks twice
- foreach (PageAsyncTask serialTask in localSerialTasks) {
- DateTime startExecution = DateTime.Now;
- IAsyncResult result = serialTask.BeginHandler (this, EventArgs.Empty, new AsyncCallback (EndAsyncTaskCallback), serialTask);
- if (result.CompletedSynchronously)
- serialTask.EndHandler (result);
- else {
- bool done = result.AsyncWaitHandle.WaitOne (AsyncTimeout, false);
- if (!done && !result.IsCompleted) {
- serialTask.TimeoutHandler (result);
- }
- }
- DateTime endWait = DateTime.Now;
- TimeSpan elapsed = endWait - startExecution;
- if (elapsed <= AsyncTimeout)
- AsyncTimeout -= elapsed;
- else
- AsyncTimeout = TimeSpan.FromTicks (0);
- }
- }
- AsyncTimeout = TimeSpan.FromSeconds (DefaultAsyncTimeout);
- }
- void EndAsyncTaskCallback (IAsyncResult result)
- {
- PageAsyncTask task = (PageAsyncTask)result.AsyncState;
- task.EndHandler (result);
- }
- public static HtmlTextWriter CreateHtmlTextWriterFromType (TextWriter tw, Type writerType)
- {
- Type htmlTextWriterType = typeof (HtmlTextWriter);
-
- if (!htmlTextWriterType.IsAssignableFrom (writerType)) {
- throw new HttpException (String.Format ("Type '{0}' cannot be assigned to HtmlTextWriter", writerType.FullName));
- }
- ConstructorInfo constructor = writerType.GetConstructor (new Type [] { typeof (TextWriter) });
- if (constructor == null) {
- throw new HttpException (String.Format ("Type '{0}' does not have a consturctor that takes a TextWriter as parameter", writerType.FullName));
- }
- return (HtmlTextWriter) Activator.CreateInstance(writerType, tw);
- }
- [Browsable (false)]
- [DefaultValue ("0")]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- public ViewStateEncryptionMode ViewStateEncryptionMode {
- get { return viewStateEncryptionMode; }
- set { viewStateEncryptionMode = value; }
- }
- public void RegisterRequiresViewStateEncryption ()
- {
- controlRegisteredForViewStateEncryption = true;
- }
- internal bool NeedViewStateEncryption {
- get {
- return (ViewStateEncryptionMode == ViewStateEncryptionMode.Always ||
- (ViewStateEncryptionMode == ViewStateEncryptionMode.Auto &&
- controlRegisteredForViewStateEncryption));
- }
- }
- void ApplyMasterPage ()
- {
- if (masterPageFile != null && masterPageFile.Length > 0) {
- MasterPage master = Master;
-
- if (master != null) {
- var appliedMasterPageFiles = new Dictionary <string, bool> (StringComparer.Ordinal);
- MasterPage.ApplyMasterPageRecursive (Request.CurrentExecutionFilePath, HostingEnvironment.VirtualPathProvider, master, appliedMasterPageFiles);
- master.Page = this;
- Controls.Clear ();
- Controls.Add (master);
- }
- }
- }
- [DefaultValueAttribute ("")]
- public virtual string MasterPageFile {
- get { return masterPageFile; }
- set {
- masterPageFile = value;
- masterPage = null;
- }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public MasterPage Master {
- get {
- if (Context == null || String.IsNullOrEmpty (masterPageFile))
- return null;
- if (masterPage == null)
- masterPage = MasterPage.CreateMasterPage (this, Context, masterPageFile, contentTemplates);
- return masterPage;
- }
- }
-
- public void SetFocus (string clientID)
- {
- if (String.IsNullOrEmpty (clientID))
- throw new ArgumentNullException ("control");
- if (IsPrerendered)
- throw new InvalidOperationException ("SetFocus can only be called before and during PreRender.");
- if(Form==null)
- throw new InvalidOperationException ("A form tag with runat=server must exist on the Page to use SetFocus() or the Focus property.");
- _focusedControlID = clientID;
- }
- public void SetFocus (Control control)
- {
- if (control == null)
- throw new ArgumentNullException ("control");
- SetFocus (control.ClientID);
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterRequiresControlState (Control control)
- {
- if (control == null)
- throw new ArgumentNullException ("control");
- if (RequiresControlState (control))
- return;
- if (requireStateControls == null)
- requireStateControls = new List <Control> ();
- requireStateControls.Add (control);
- int n = requireStateControls.Count - 1;
-
- if (_savedControlState == null || n >= _savedControlState.Length)
- return;
- for (Control parent = control.Parent; parent != null; parent = parent.Parent)
- if (parent.IsChildControlStateCleared)
- return;
- object state = _savedControlState [n];
- if (state != null)
- control.LoadControlState (state);
- }
-
- public bool RequiresControlState (Control control)
- {
- if (requireStateControls == null)
- return false;
- return requireStateControls.Contains (control);
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void UnregisterRequiresControlState (Control control)
- {
- if (requireStateControls != null)
- requireStateControls.Remove (control);
- }
-
- public ValidatorCollection GetValidators (string validationGroup)
- {
- if (validationGroup == String.Empty)
- validationGroup = null;
- ValidatorCollection col = new ValidatorCollection ();
- if (_validators == null)
- return col;
-
- foreach (IValidator v in _validators)
- if (BelongsToGroup(v, validationGroup))
- col.Add(v);
- return col;
- }
-
- bool BelongsToGroup(IValidator v, string validationGroup)
- {
- BaseValidator validator = v as BaseValidator;
- if (validationGroup == null)
- return validator == null || String.IsNullOrEmpty (validator.ValidationGroup);
- else
- return validator != null && validator.ValidationGroup == validationGroup;
- }
-
- public virtual void Validate (string validationGroup)
- {
- is_validated = true;
- ValidateCollection (GetValidators (validationGroup));
- }
- object SavePageControlState ()
- {
- int count = requireStateControls == null ? 0 : requireStateControls.Count;
- if (count == 0)
- return null;
-
- object state;
- object[] controlStates = new object [count];
- object[] adapterState = new object [count];
- Control control;
- ControlAdapter adapter;
- bool allNull = true;
- TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
-
- for (int n = 0; n < count; n++) {
- control = requireStateControls [n];
- state = controlStates [n] = control.SaveControlState ();
- if (state != null)
- allNull = false;
-
- if (trace != null)
- trace.SaveControlState (control, state);
- adapter = control.Adapter;
- if (adapter != null) {
- adapterState [n] = adapter.SaveAdapterControlState ();
- if (adapterState [n] != null) allNull = false;
- }
- }
-
- if (allNull)
- return null;
- else
- return new Pair (controlStates, adapterState);
- }
-
- void LoadPageControlState (object data)
- {
- _savedControlState = null;
- if (data == null) return;
- Pair statePair = (Pair)data;
- _savedControlState = (object[]) statePair.First;
- object[] adapterState = (object[]) statePair.Second;
- if (requireStateControls == null) return;
- int min = Math.Min (requireStateControls.Count, _savedControlState != null ? _savedControlState.Length : requireStateControls.Count);
- for (int n=0; n < min; n++) {
- Control ctl = (Control) requireStateControls [n];
- ctl.LoadControlState (_savedControlState != null ? _savedControlState [n] : null);
- if (ctl.Adapter != null)
- ctl.Adapter.LoadAdapterControlState (adapterState != null ? adapterState [n] : null);
- }
- }
- void LoadPreviousPageReference ()
- {
- if (_requestValueCollection != null) {
- string prevPage = _requestValueCollection [PreviousPageID];
- if (prevPage != null) {
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- IHttpHandler handler = Context.ApplicationInstance.GetHandler (Context, prevPage);
- Server.Execute (handler, null, true, _context.Request.CurrentExecutionFilePath, null, false, false);
- if (_context.Items.Contains (CrossPagePostBack)) {
- previousPage = (Page) _context.Items [CrossPagePostBack];
- _context.Items.Remove (CrossPagePostBack);
- }
- return;
- }
- #else
- IHttpHandler handler;
- handler = BuildManager.CreateInstanceFromVirtualPath (prevPage, typeof (IHttpHandler)) as IHttpHandler;
- previousPage = (Page) handler;
- previousPage.isCrossPagePostBack = true;
- Server.Execute (handler, null, true, _context.Request.CurrentExecutionFilePath, null, false, false);
- #endif
- }
- }
- }
- Hashtable contentTemplates;
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected internal void AddContentTemplate (string templateName, ITemplate template)
- {
- if (contentTemplates == null)
- contentTemplates = new Hashtable ();
- contentTemplates [templateName] = template;
- }
- PageTheme _pageTheme;
- internal PageTheme PageTheme {
- get { return _pageTheme; }
- }
- PageTheme _styleSheetPageTheme;
- internal PageTheme StyleSheetPageTheme {
- get { return _styleSheetPageTheme; }
- }
- Stack dataItemCtx;
-
- internal void PushDataItemContext (object o) {
- if (dataItemCtx == null)
- dataItemCtx = new Stack ();
-
- dataItemCtx.Push (o);
- }
-
- internal void PopDataItemContext () {
- if (dataItemCtx == null)
- throw new InvalidOperationException ();
-
- dataItemCtx.Pop ();
- }
-
- public object GetDataItem() {
- if (dataItemCtx == null || dataItemCtx.Count == 0)
- throw new InvalidOperationException ("No data item");
-
- return dataItemCtx.Peek ();
- }
- void AddStyleSheets (PageTheme theme, ref List <string> links)
- {
- if (theme == null)
- return;
- string[] tmpThemes = theme != null ? theme.GetStyleSheets () : null;
- if (tmpThemes == null || tmpThemes.Length == 0)
- return;
- if (links == null)
- links = new List <string> ();
- links.AddRange (tmpThemes);
- }
-
- protected internal override void OnInit (EventArgs e)
- {
- base.OnInit (e);
- List <string> themes = null;
- AddStyleSheets (StyleSheetPageTheme, ref themes);
- AddStyleSheets (PageTheme, ref themes);
- if (themes == null)
- return;
-
- HtmlHead header = Header;
- if (themes != null && header == null)
- throw new InvalidOperationException ("Using themed css files requires a header control on the page.");
-
- ControlCollection headerControls = header.Controls;
- string lss;
- for (int i = themes.Count - 1; i >= 0; i--) {
- lss = themes [i];
- HtmlLink hl = new HtmlLink ();
- hl.Href = lss;
- hl.Attributes["type"] = "text/css";
- hl.Attributes["rel"] = "stylesheet";
- headerControls.AddAt (0, hl);
- }
- }
- [MonoDocumentationNote ("Not implemented. Only used by .net aspx parser")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected object GetWrappedFileDependencies (string [] list)
- {
- return list;
- }
- [MonoDocumentationNote ("Does nothing. Used by .net aspx parser")]
- protected virtual void InitializeCulture ()
- {
- }
- [MonoDocumentationNote ("Does nothing. Used by .net aspx parser")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected internal void AddWrappedFileDependencies (object virtualFileDependencies)
- {
- }
- }
- }