Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / xsp / System / Web / Extensions / ui / ScriptControlManager.cs / 1 / ScriptControlManager.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Web.UI;
using System.Web.Resources;
using System.Web.Util;
using Debug = System.Diagnostics.Debug;
internal class ScriptControlManager {
private OrderedDictionary> _extenderControls;
private bool _pagePreRenderRaised;
private OrderedDictionary _scriptControls;
private ScriptManager _scriptManager;
private bool _scriptReferencesRegistered;
public ScriptControlManager(ScriptManager scriptManager) {
_scriptManager = scriptManager;
}
private OrderedDictionary> ExtenderControls {
get {
if (_extenderControls == null) {
_extenderControls = new OrderedDictionary>();
}
return _extenderControls;
}
}
private OrderedDictionary ScriptControls {
get {
if (_scriptControls == null) {
_scriptControls = new OrderedDictionary();
}
return _scriptControls;
}
}
public void AddScriptReferences(List scriptReferences) {
#if DEBUG
if (_scriptReferencesRegistered) {
Debug.Fail("AddScriptReferences should only be called once per request but it was already called during this request.");
}
#endif
AddScriptReferencesForScriptControls(scriptReferences);
AddScriptReferencesForExtenderControls(scriptReferences);
_scriptReferencesRegistered = true;
}
private void AddScriptReferencesForScriptControls(List scriptReferences) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_scriptControls != null) {
foreach (IScriptControl scriptControl in _scriptControls.Keys) {
AddScriptReferenceForScriptControl(scriptReferences, scriptControl);
}
}
}
private static void AddScriptReferenceForScriptControl(List scriptReferences,
IScriptControl scriptControl) {
IEnumerable scriptControlReferences = scriptControl.GetScriptReferences();
if (scriptControlReferences != null) {
Control scriptControlAsControl = (Control)scriptControl;
ClientUrlResolverWrapper urlResolverWrapper = null;
foreach (ScriptReference scriptControlReference in scriptControlReferences) {
if (scriptControlReference != null) {
if (urlResolverWrapper == null) {
urlResolverWrapper = new ClientUrlResolverWrapper(scriptControlAsControl);
}
// set containing control on each script reference for client url resolution
scriptControlReference.ClientUrlResolver = urlResolverWrapper;
scriptControlReference.IsStaticReference = false;
scriptControlReference.ContainingControl = scriptControlAsControl;
// add to collection of all references
scriptReferences.Add(scriptControlReference);
}
}
}
}
private void AddScriptReferencesForExtenderControls(List scriptReferences) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_extenderControls != null) {
foreach (IExtenderControl extenderControl in _extenderControls.Keys) {
AddScriptReferenceForExtenderControl(scriptReferences, extenderControl);
}
}
}
private static void AddScriptReferenceForExtenderControl(List scriptReferences, IExtenderControl extenderControl) {
IEnumerable extenderControlReferences = extenderControl.GetScriptReferences();
if (extenderControlReferences != null) {
Control extenderControlAsControl = (Control)extenderControl;
ClientUrlResolverWrapper urlResolverWrapper = null;
foreach (ScriptReference extenderControlReference in extenderControlReferences) {
if (extenderControlReference != null) {
if (urlResolverWrapper == null) {
urlResolverWrapper = new ClientUrlResolverWrapper(extenderControlAsControl);
}
// set containing control on each script reference for client url resolution
extenderControlReference.ClientUrlResolver = urlResolverWrapper;
extenderControlReference.IsStaticReference = false;
extenderControlReference.ContainingControl = extenderControlAsControl;
// add to collection of all references
scriptReferences.Add(extenderControlReference);
}
}
}
}
private bool InControlTree(Control targetControl) {
for (Control parent = targetControl.Parent; parent != null; parent = parent.Parent) {
if (parent == _scriptManager.Page) {
return true;
}
}
return false;
}
public void OnPagePreRender(object sender, EventArgs e) {
_pagePreRenderRaised = true;
}
public void RegisterExtenderControl(TExtenderControl extenderControl, Control targetControl)
where TExtenderControl : Control, IExtenderControl {
if (extenderControl == null) {
throw new ArgumentNullException("extenderControl");
}
if (targetControl == null) {
throw new ArgumentNullException("targetControl");
}
VerifyTargetControlType(extenderControl, targetControl);
if (!_pagePreRenderRaised) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterExtenderControlTooEarly);
}
if (_scriptReferencesRegistered) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterExtenderControlTooLate);
}
// A single ExtenderControl may theoretically be registered multiple times
List targetControls;
if (!ExtenderControls.TryGetValue(extenderControl, out targetControls)) {
targetControls = new List();
ExtenderControls[extenderControl] = targetControls;
}
targetControls.Add(targetControl);
}
public void RegisterScriptControl(TScriptControl scriptControl)
where TScriptControl : Control, IScriptControl {
if (scriptControl == null) {
throw new ArgumentNullException("scriptControl");
}
if (!_pagePreRenderRaised) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterScriptControlTooEarly);
}
if (_scriptReferencesRegistered) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterScriptControlTooLate);
}
// A single ScriptControl may theoretically be registered multiple times
int timesRegistered;
ScriptControls.TryGetValue(scriptControl, out timesRegistered);
timesRegistered++;
ScriptControls[scriptControl] = timesRegistered;
}
public void RegisterScriptDescriptors(IExtenderControl extenderControl) {
if (extenderControl == null) {
throw new ArgumentNullException("extenderControl");
}
Control extenderControlAsControl = extenderControl as Control;
if (extenderControlAsControl == null) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.Common_ArgumentInvalidType,
typeof(Control).FullName),
"extenderControl");
}
List targetControls;
if (!ExtenderControls.TryGetValue(extenderControl, out targetControls)) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_ExtenderControlNotRegistered,
extenderControlAsControl.ID),
"extenderControl");
}
Debug.Assert(targetControls != null && targetControls.Count > 0);
// A single ExtenderControl may theoretically be registered multiple times
foreach (Control targetControl in targetControls) {
// Only register ExtenderControl scripts if the target control is visible and in the control tree.
// Else, we assume the target was not rendered.
if (targetControl.Visible && InControlTree(targetControl)) {
IEnumerable scriptDescriptors = extenderControl.GetScriptDescriptors(targetControl);
RegisterScriptsForScriptDescriptors(scriptDescriptors, extenderControlAsControl);
}
}
}
public void RegisterScriptDescriptors(IScriptControl scriptControl) {
if (scriptControl == null) {
throw new ArgumentNullException("scriptControl");
}
Control scriptControlAsControl = scriptControl as Control;
if (scriptControlAsControl == null) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.Common_ArgumentInvalidType,
typeof(Control).FullName),
"scriptControl");
}
// Verify that ScriptControl was previously registered
int timesRegistered;
if (!ScriptControls.TryGetValue(scriptControl, out timesRegistered)) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_ScriptControlNotRegistered,
scriptControlAsControl.ID),
"scriptControl");
}
// A single ScriptControl may theoretically be registered multiple times
for (int i = 0; i < timesRegistered; i++) {
IEnumerable scriptDescriptors = scriptControl.GetScriptDescriptors();
RegisterScriptsForScriptDescriptors(scriptDescriptors, scriptControlAsControl);
}
}
private void RegisterScriptsForScriptDescriptors(IEnumerable scriptDescriptors,
Control control) {
if (scriptDescriptors != null) {
StringBuilder initBuilder = null;
foreach (ScriptDescriptor scriptDescriptor in scriptDescriptors) {
if (scriptDescriptor != null) {
if (initBuilder == null) {
initBuilder = new StringBuilder();
initBuilder.AppendLine("Sys.Application.add_init(function() {");
}
initBuilder.Append(" ");
initBuilder.AppendLine(scriptDescriptor.GetScript());
// Call into the descriptor to possibly register dispose functionality for async posts
scriptDescriptor.RegisterDisposeForDescriptor(_scriptManager, control);
}
}
// If scriptDescriptors enumeration is empty, we don't want to register any script.
if (initBuilder != null) {
initBuilder.AppendLine("});");
string initScript = initBuilder.ToString();
// DevDiv 35243: Do not use the script itself as the key, since different controls could
// possibly register the exact same script, or the same control may want to register the
// same script more than once.
// Generate a unique script key for every registration.
string initScriptKey = _scriptManager.CreateUniqueScriptKey();
_scriptManager.RegisterStartupScriptInternal(
control, typeof(ScriptManager), initScriptKey, initScript, true);
}
}
}
private static void VerifyTargetControlType(
TExtenderControl extenderControl, Control targetControl)
where TExtenderControl : Control, IExtenderControl {
Type extenderControlType = extenderControl.GetType();
// Use TargetControlTypeCache instead of directly calling Type.GetCustomAttributes().
// Increases requests/second by nearly 100% in ScriptControlScenario.aspx test.
Type[] types = TargetControlTypeCache.GetTargetControlTypes(extenderControlType);
if (types.Length == 0) {
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_NoTargetControlTypes,
extenderControlType, typeof(TargetControlTypeAttribute)));
}
Type targetControlType = targetControl.GetType();
foreach (Type type in types) {
if (type.IsAssignableFrom(targetControlType)) {
return;
}
}
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_TargetControlTypeInvalid,
extenderControl.ID, targetControl.ID, extenderControlType, targetControlType));
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Web.UI;
using System.Web.Resources;
using System.Web.Util;
using Debug = System.Diagnostics.Debug;
internal class ScriptControlManager {
private OrderedDictionary> _extenderControls;
private bool _pagePreRenderRaised;
private OrderedDictionary _scriptControls;
private ScriptManager _scriptManager;
private bool _scriptReferencesRegistered;
public ScriptControlManager(ScriptManager scriptManager) {
_scriptManager = scriptManager;
}
private OrderedDictionary> ExtenderControls {
get {
if (_extenderControls == null) {
_extenderControls = new OrderedDictionary>();
}
return _extenderControls;
}
}
private OrderedDictionary ScriptControls {
get {
if (_scriptControls == null) {
_scriptControls = new OrderedDictionary();
}
return _scriptControls;
}
}
public void AddScriptReferences(List scriptReferences) {
#if DEBUG
if (_scriptReferencesRegistered) {
Debug.Fail("AddScriptReferences should only be called once per request but it was already called during this request.");
}
#endif
AddScriptReferencesForScriptControls(scriptReferences);
AddScriptReferencesForExtenderControls(scriptReferences);
_scriptReferencesRegistered = true;
}
private void AddScriptReferencesForScriptControls(List scriptReferences) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_scriptControls != null) {
foreach (IScriptControl scriptControl in _scriptControls.Keys) {
AddScriptReferenceForScriptControl(scriptReferences, scriptControl);
}
}
}
private static void AddScriptReferenceForScriptControl(List scriptReferences,
IScriptControl scriptControl) {
IEnumerable scriptControlReferences = scriptControl.GetScriptReferences();
if (scriptControlReferences != null) {
Control scriptControlAsControl = (Control)scriptControl;
ClientUrlResolverWrapper urlResolverWrapper = null;
foreach (ScriptReference scriptControlReference in scriptControlReferences) {
if (scriptControlReference != null) {
if (urlResolverWrapper == null) {
urlResolverWrapper = new ClientUrlResolverWrapper(scriptControlAsControl);
}
// set containing control on each script reference for client url resolution
scriptControlReference.ClientUrlResolver = urlResolverWrapper;
scriptControlReference.IsStaticReference = false;
scriptControlReference.ContainingControl = scriptControlAsControl;
// add to collection of all references
scriptReferences.Add(scriptControlReference);
}
}
}
}
private void AddScriptReferencesForExtenderControls(List scriptReferences) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_extenderControls != null) {
foreach (IExtenderControl extenderControl in _extenderControls.Keys) {
AddScriptReferenceForExtenderControl(scriptReferences, extenderControl);
}
}
}
private static void AddScriptReferenceForExtenderControl(List scriptReferences, IExtenderControl extenderControl) {
IEnumerable extenderControlReferences = extenderControl.GetScriptReferences();
if (extenderControlReferences != null) {
Control extenderControlAsControl = (Control)extenderControl;
ClientUrlResolverWrapper urlResolverWrapper = null;
foreach (ScriptReference extenderControlReference in extenderControlReferences) {
if (extenderControlReference != null) {
if (urlResolverWrapper == null) {
urlResolverWrapper = new ClientUrlResolverWrapper(extenderControlAsControl);
}
// set containing control on each script reference for client url resolution
extenderControlReference.ClientUrlResolver = urlResolverWrapper;
extenderControlReference.IsStaticReference = false;
extenderControlReference.ContainingControl = extenderControlAsControl;
// add to collection of all references
scriptReferences.Add(extenderControlReference);
}
}
}
}
private bool InControlTree(Control targetControl) {
for (Control parent = targetControl.Parent; parent != null; parent = parent.Parent) {
if (parent == _scriptManager.Page) {
return true;
}
}
return false;
}
public void OnPagePreRender(object sender, EventArgs e) {
_pagePreRenderRaised = true;
}
public void RegisterExtenderControl(TExtenderControl extenderControl, Control targetControl)
where TExtenderControl : Control, IExtenderControl {
if (extenderControl == null) {
throw new ArgumentNullException("extenderControl");
}
if (targetControl == null) {
throw new ArgumentNullException("targetControl");
}
VerifyTargetControlType(extenderControl, targetControl);
if (!_pagePreRenderRaised) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterExtenderControlTooEarly);
}
if (_scriptReferencesRegistered) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterExtenderControlTooLate);
}
// A single ExtenderControl may theoretically be registered multiple times
List targetControls;
if (!ExtenderControls.TryGetValue(extenderControl, out targetControls)) {
targetControls = new List();
ExtenderControls[extenderControl] = targetControls;
}
targetControls.Add(targetControl);
}
public void RegisterScriptControl(TScriptControl scriptControl)
where TScriptControl : Control, IScriptControl {
if (scriptControl == null) {
throw new ArgumentNullException("scriptControl");
}
if (!_pagePreRenderRaised) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterScriptControlTooEarly);
}
if (_scriptReferencesRegistered) {
throw new InvalidOperationException(AtlasWeb.ScriptControlManager_RegisterScriptControlTooLate);
}
// A single ScriptControl may theoretically be registered multiple times
int timesRegistered;
ScriptControls.TryGetValue(scriptControl, out timesRegistered);
timesRegistered++;
ScriptControls[scriptControl] = timesRegistered;
}
public void RegisterScriptDescriptors(IExtenderControl extenderControl) {
if (extenderControl == null) {
throw new ArgumentNullException("extenderControl");
}
Control extenderControlAsControl = extenderControl as Control;
if (extenderControlAsControl == null) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.Common_ArgumentInvalidType,
typeof(Control).FullName),
"extenderControl");
}
List targetControls;
if (!ExtenderControls.TryGetValue(extenderControl, out targetControls)) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_ExtenderControlNotRegistered,
extenderControlAsControl.ID),
"extenderControl");
}
Debug.Assert(targetControls != null && targetControls.Count > 0);
// A single ExtenderControl may theoretically be registered multiple times
foreach (Control targetControl in targetControls) {
// Only register ExtenderControl scripts if the target control is visible and in the control tree.
// Else, we assume the target was not rendered.
if (targetControl.Visible && InControlTree(targetControl)) {
IEnumerable scriptDescriptors = extenderControl.GetScriptDescriptors(targetControl);
RegisterScriptsForScriptDescriptors(scriptDescriptors, extenderControlAsControl);
}
}
}
public void RegisterScriptDescriptors(IScriptControl scriptControl) {
if (scriptControl == null) {
throw new ArgumentNullException("scriptControl");
}
Control scriptControlAsControl = scriptControl as Control;
if (scriptControlAsControl == null) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.Common_ArgumentInvalidType,
typeof(Control).FullName),
"scriptControl");
}
// Verify that ScriptControl was previously registered
int timesRegistered;
if (!ScriptControls.TryGetValue(scriptControl, out timesRegistered)) {
throw new ArgumentException(
String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_ScriptControlNotRegistered,
scriptControlAsControl.ID),
"scriptControl");
}
// A single ScriptControl may theoretically be registered multiple times
for (int i = 0; i < timesRegistered; i++) {
IEnumerable scriptDescriptors = scriptControl.GetScriptDescriptors();
RegisterScriptsForScriptDescriptors(scriptDescriptors, scriptControlAsControl);
}
}
private void RegisterScriptsForScriptDescriptors(IEnumerable scriptDescriptors,
Control control) {
if (scriptDescriptors != null) {
StringBuilder initBuilder = null;
foreach (ScriptDescriptor scriptDescriptor in scriptDescriptors) {
if (scriptDescriptor != null) {
if (initBuilder == null) {
initBuilder = new StringBuilder();
initBuilder.AppendLine("Sys.Application.add_init(function() {");
}
initBuilder.Append(" ");
initBuilder.AppendLine(scriptDescriptor.GetScript());
// Call into the descriptor to possibly register dispose functionality for async posts
scriptDescriptor.RegisterDisposeForDescriptor(_scriptManager, control);
}
}
// If scriptDescriptors enumeration is empty, we don't want to register any script.
if (initBuilder != null) {
initBuilder.AppendLine("});");
string initScript = initBuilder.ToString();
// DevDiv 35243: Do not use the script itself as the key, since different controls could
// possibly register the exact same script, or the same control may want to register the
// same script more than once.
// Generate a unique script key for every registration.
string initScriptKey = _scriptManager.CreateUniqueScriptKey();
_scriptManager.RegisterStartupScriptInternal(
control, typeof(ScriptManager), initScriptKey, initScript, true);
}
}
}
private static void VerifyTargetControlType(
TExtenderControl extenderControl, Control targetControl)
where TExtenderControl : Control, IExtenderControl {
Type extenderControlType = extenderControl.GetType();
// Use TargetControlTypeCache instead of directly calling Type.GetCustomAttributes().
// Increases requests/second by nearly 100% in ScriptControlScenario.aspx test.
Type[] types = TargetControlTypeCache.GetTargetControlTypes(extenderControlType);
if (types.Length == 0) {
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_NoTargetControlTypes,
extenderControlType, typeof(TargetControlTypeAttribute)));
}
Type targetControlType = targetControl.GetType();
foreach (Type type in types) {
if (type.IsAssignableFrom(targetControlType)) {
return;
}
}
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.ScriptControlManager_TargetControlTypeInvalid,
extenderControl.ID, targetControl.ID, extenderControlType, targetControlType));
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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