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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
// This file was generated, please do not edit it directly.
//
// Please see MilCodeGen.html for more information.
//
using MS.Internal;
using MS.Internal.KnownBoxes;
using MS.Internal.Collections;
using MS.Internal.PresentationCore;
using MS.Utility;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.ComponentModel.Design.Serialization;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging;
using System.Windows.Markup;
using System.Windows.Media.Converters;
using System.Security;
using SR=MS.Internal.PresentationCore.SR;
// These types are aliased to match the unamanaged names used in interop
using BOOL = System.UInt32;
using WORD = System.UInt16;
using Float = System.Single;
namespace System.Windows.Media
{
/// <summary>
/// A collection of GradientStop objects.
/// </summary>
public sealed partial class GradientStopCollection : Animatable, IFormattable, IList, IList<GradientStop>
{
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// Shadows inherited Clone() with a strongly typed
/// version for convenience.
/// </summary>
public new GradientStopCollection Clone()
{
return (GradientStopCollection)base.Clone();
}
/// <summary>
/// Shadows inherited CloneCurrentValue() with a strongly typed
/// version for convenience.
/// </summary>
public new GradientStopCollection CloneCurrentValue()
{
return (GradientStopCollection)base.CloneCurrentValue();
}
#endregion Public Methods
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
#region IList<T>
/// <summary>
/// Adds "value" to the list
/// </summary>
public void Add(GradientStop value)
{
AddHelper(value);
}
/// <summary>
/// Removes all elements from the list
/// </summary>
public void Clear()
{
WritePreamble();
for (int i = _collection.Count - 1; i >= 0; i--)
{
OnFreezablePropertyChanged(/* oldValue = */ _collection[i], /* newValue = */ null);
}
_collection.Clear();
Debug.Assert(_collection.Count == 0);
++_version;
WritePostscript();
}
/// <summary>
/// Determines if the list contains "value"
/// </summary>
public bool Contains(GradientStop value)
{
ReadPreamble();
return _collection.Contains(value);
}
/// <summary>
/// Returns the index of "value" in the list
/// </summary>
public int IndexOf(GradientStop value)
{
ReadPreamble();
return _collection.IndexOf(value);
}
/// <summary>
/// Inserts "value" into the list at the specified position
/// </summary>
public void Insert(int index, GradientStop value)
{
if (value == null)
{
throw new System.ArgumentException(SR.Collection_NoNull);
}
WritePreamble();
OnFreezablePropertyChanged(/* oldValue = */ null, /* newValue = */ value);
_collection.Insert(index, value);
++_version;
WritePostscript();
}
/// <summary>
/// Removes "value" from the list
/// </summary>
public bool Remove(GradientStop value)
{
WritePreamble();
// By design collections "succeed silently" if you attempt to remove an item
// not in the collection. Therefore we need to first verify the old value exists
// before calling OnFreezablePropertyChanged. Since we already need to locate
// the item in the collection we keep the index and use RemoveAt(...) to do
// the work. (Windows OS #1016178)
// We use the public IndexOf to guard our UIContext since OnFreezablePropertyChanged
// is only called conditionally. IList.IndexOf returns -1 if the value is not found.
int index = IndexOf(value);
if (index >= 0)
{
GradientStop oldValue = _collection[index];
OnFreezablePropertyChanged(oldValue, null);
_collection.RemoveAt(index);
++_version;
WritePostscript();
return true;
}
// Collection_Remove returns true, calls WritePostscript,
// increments version, and does UpdateResource if it succeeds
return false;
}
/// <summary>
/// Removes the element at the specified index
/// </summary>
public void RemoveAt(int index)
{
RemoveAtWithoutFiringPublicEvents(index);
// RemoveAtWithoutFiringPublicEvents incremented the version
WritePostscript();
}
/// <summary>
/// Removes the element at the specified index without firing
/// the public Changed event.
/// The caller - typically a public method - is responsible for calling
/// WritePostscript if appropriate.
/// </summary>
internal void RemoveAtWithoutFiringPublicEvents(int index)
{
WritePreamble();
GradientStop oldValue = _collection[ index ];
OnFreezablePropertyChanged(oldValue, null);
_collection.RemoveAt(index);
++_version;
// No WritePostScript to avoid firing the Changed event.
}
/// <summary>
/// Indexer for the collection
/// </summary>
public GradientStop this[int index]
{
get
{
ReadPreamble();
return _collection[index];
}
set
{
if (value == null)
{
throw new System.ArgumentException(SR.Collection_NoNull);
}
WritePreamble();
if (!Object.ReferenceEquals(_collection[ index ], value))
{
GradientStop oldValue = _collection[ index ];
OnFreezablePropertyChanged(oldValue, value);
_collection[ index ] = value;
}
++_version;
WritePostscript();
}
}
#endregion
#region ICollection<T>
/// <summary>
/// The number of elements contained in the collection.
/// </summary>
public int Count
{
get
{
ReadPreamble();
return _collection.Count;
}
}
/// <summary>
/// Copies the elements of the collection into "array" starting at "index"
/// </summary>
public void CopyTo(GradientStop[] array, int index)
{
ReadPreamble();
ArgumentNullException.ThrowIfNull(array);
// This will not throw in the case that we are copying
// from an empty collection. This is consistent with the
// BCL Collection implementations. (Windows 1587365)
ArgumentOutOfRangeException.ThrowIfNegative(index);
ArgumentOutOfRangeException.ThrowIfGreaterThan(index, array.Length - _collection.Count);
_collection.CopyTo(array, index);
}
bool ICollection<GradientStop>.IsReadOnly
{
get
{
ReadPreamble();
return IsFrozen;
}
}
#endregion
#region IEnumerable<T>
/// <summary>
/// Returns an enumerator for the collection
/// </summary>
public Enumerator GetEnumerator()
{
ReadPreamble();
return new Enumerator(this);
}
IEnumerator<GradientStop> IEnumerable<GradientStop>.GetEnumerator()
{
return this.GetEnumerator();
}
#endregion
#region IList
bool IList.IsReadOnly
{
get
{
return ((ICollection<GradientStop>)this).IsReadOnly;
}
}
bool IList.IsFixedSize
{
get
{
ReadPreamble();
return IsFrozen;
}
}
object IList.this[int index]
{
get
{
return this[index];
}
set
{
// Forwards to typed implementation
this[index] = Cast(value);
}
}
int IList.Add(object value)
{
// Forward to typed helper
return AddHelper(Cast(value));
}
bool IList.Contains(object value)
{
return Contains(value as GradientStop);
}
int IList.IndexOf(object value)
{
return IndexOf(value as GradientStop);
}
void IList.Insert(int index, object value)
{
// Forward to IList<T> Insert
Insert(index, Cast(value));
}
void IList.Remove(object value)
{
Remove(value as GradientStop);
}
#endregion
#region ICollection
void ICollection.CopyTo(Array array, int index)
{
ReadPreamble();
ArgumentNullException.ThrowIfNull(array);
// This will not throw in the case that we are copying
// from an empty collection. This is consistent with the
// BCL Collection implementations. (Windows 1587365)
ArgumentOutOfRangeException.ThrowIfNegative(index);
ArgumentOutOfRangeException.ThrowIfGreaterThan(index, array.Length - _collection.Count);
if (array.Rank != 1)
{
throw new ArgumentException(SR.Collection_BadRank);
}
// Elsewhere in the collection we throw an AE when the type is
// bad so we do it here as well to be consistent
try
{
int count = _collection.Count;
for (int i = 0; i < count; i++)
{
array.SetValue(_collection[i], index + i);
}
}
catch (InvalidCastException e)
{
throw new ArgumentException(SR.Format(SR.Collection_BadDestArray, this.GetType().Name), e);
}
}
bool ICollection.IsSynchronized
{
get
{
ReadPreamble();
return IsFrozen || Dispatcher != null;
}
}
object ICollection.SyncRoot
{
get
{
ReadPreamble();
return this;
}
}
#endregion
#region IEnumerable
IEnumerator IEnumerable.GetEnumerator()
{
return this.GetEnumerator();
}
#endregion
#region Internal Helpers
/// <summary>
/// A frozen empty GradientStopCollection.
/// </summary>
internal static GradientStopCollection Empty
{
get
{
if (s_empty == null)
{
GradientStopCollection collection = new GradientStopCollection();
collection.Freeze();
s_empty = collection;
}
return s_empty;
}
}
/// <summary>
/// Helper to return read only access.
/// </summary>
internal GradientStop Internal_GetItem(int i)
{
return _collection[i];
}
/// <summary>
/// Freezable collections need to notify their contained Freezables
/// about the change in the InheritanceContext
/// </summary>
internal override void OnInheritanceContextChangedCore(EventArgs args)
{
base.OnInheritanceContextChangedCore(args);
for (int i=0; i<this.Count; i++)
{
DependencyObject inheritanceChild = _collection[i];
if (inheritanceChild!= null && inheritanceChild.InheritanceContext == this)
{
inheritanceChild.OnInheritanceContextChanged(args);
}
}
}
#endregion
#region Private Helpers
private GradientStop Cast(object value)
{
ArgumentNullException.ThrowIfNull(value);
if (!(value is GradientStop))
{
throw new System.ArgumentException(SR.Format(SR.Collection_BadType, this.GetType().Name, value.GetType().Name, "GradientStop"));
}
return (GradientStop) value;
}
// IList.Add returns int and IList<T>.Add does not. This
// is called by both Adds and IList<T>'s just ignores the
// integer
private int AddHelper(GradientStop value)
{
int index = AddWithoutFiringPublicEvents(value);
// AddAtWithoutFiringPublicEvents incremented the version
WritePostscript();
return index;
}
internal int AddWithoutFiringPublicEvents(GradientStop value)
{
int index = -1;
if (value == null)
{
throw new System.ArgumentException(SR.Collection_NoNull);
}
WritePreamble();
GradientStop newValue = value;
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
index = _collection.Add(newValue);
++_version;
// No WritePostScript to avoid firing the Changed event.
return index;
}
#endregion Private Helpers
private static GradientStopCollection s_empty;
#region Public Properties
#endregion Public Properties
//------------------------------------------------------
//
// Protected Methods
//
//------------------------------------------------------
#region Protected Methods
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CreateInstanceCore">Freezable.CreateInstanceCore</see>.
/// </summary>
/// <returns>The new Freezable.</returns>
protected override Freezable CreateInstanceCore()
{
return new GradientStopCollection();
}
/// <summary>
/// Implementation of Freezable.CloneCore()
/// </summary>
protected override void CloneCore(Freezable source)
{
GradientStopCollection sourceGradientStopCollection = (GradientStopCollection) source;
base.CloneCore(source);
int count = sourceGradientStopCollection._collection.Count;
_collection = new FrugalStructList<GradientStop>(count);
for (int i = 0; i < count; i++)
{
GradientStop newValue = (GradientStop) sourceGradientStopCollection._collection[i].Clone();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
/// <summary>
/// Implementation of Freezable.CloneCurrentValueCore()
/// </summary>
protected override void CloneCurrentValueCore(Freezable source)
{
GradientStopCollection sourceGradientStopCollection = (GradientStopCollection) source;
base.CloneCurrentValueCore(source);
int count = sourceGradientStopCollection._collection.Count;
_collection = new FrugalStructList<GradientStop>(count);
for (int i = 0; i < count; i++)
{
GradientStop newValue = (GradientStop) sourceGradientStopCollection._collection[i].CloneCurrentValue();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
/// <summary>
/// Implementation of Freezable.GetAsFrozenCore()
/// </summary>
protected override void GetAsFrozenCore(Freezable source)
{
GradientStopCollection sourceGradientStopCollection = (GradientStopCollection) source;
base.GetAsFrozenCore(source);
int count = sourceGradientStopCollection._collection.Count;
_collection = new FrugalStructList<GradientStop>(count);
for (int i = 0; i < count; i++)
{
GradientStop newValue = (GradientStop) sourceGradientStopCollection._collection[i].GetAsFrozen();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
/// <summary>
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
GradientStopCollection sourceGradientStopCollection = (GradientStopCollection) source;
base.GetCurrentValueAsFrozenCore(source);
int count = sourceGradientStopCollection._collection.Count;
_collection = new FrugalStructList<GradientStop>(count);
for (int i = 0; i < count; i++)
{
GradientStop newValue = (GradientStop) sourceGradientStopCollection._collection[i].GetCurrentValueAsFrozen();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.FreezeCore">Freezable.FreezeCore</see>.
/// </summary>
protected override bool FreezeCore(bool isChecking)
{
bool canFreeze = base.FreezeCore(isChecking);
int count = _collection.Count;
for (int i = 0; i < count && canFreeze; i++)
{
canFreeze &= Freezable.Freeze(_collection[i], isChecking);
}
return canFreeze;
}
#endregion ProtectedMethods
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
#region Internal Properties
/// <summary>
/// Creates a string representation of this object based on the current culture.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
public override string ToString()
{
ReadPreamble();
// Delegate to the internal method which implements all ToString calls.
return ConvertToString(null /* format string */, null /* format provider */);
}
/// <summary>
/// Creates a string representation of this object based on the IFormatProvider
/// passed in. If the provider is null, the CurrentCulture is used.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
public string ToString(IFormatProvider provider)
{
ReadPreamble();
// Delegate to the internal method which implements all ToString calls.
return ConvertToString(null /* format string */, provider);
}
/// <summary>
/// Creates a string representation of this object based on the format string
/// and IFormatProvider passed in.
/// If the provider is null, the CurrentCulture is used.
/// See the documentation for IFormattable for more information.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
string IFormattable.ToString(string format, IFormatProvider provider)
{
ReadPreamble();
// Delegate to the internal method which implements all ToString calls.
return ConvertToString(format, provider);
}
/// <summary>
/// Creates a string representation of this object based on the format string
/// and IFormatProvider passed in.
/// If the provider is null, the CurrentCulture is used.
/// See the documentation for IFormattable for more information.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
internal string ConvertToString(string format, IFormatProvider provider)
{
if (_collection.Count == 0)
{
return String.Empty;
}
StringBuilder str = new StringBuilder();
// Consider using this separator
// Helper to get the numeric list separator for a given culture.
// char separator = MS.Internal.TokenizerHelper.GetNumericListSeparator(provider);
for (int i=0; i<_collection.Count; i++)
{
str.AppendFormat(
provider,
"{0:" + format + "}",
_collection[i]);
if (i != _collection.Count-1)
{
str.Append(' ');
}
}
return str.ToString();
}
/// <summary>
/// Parse - returns an instance converted from the provided string
/// using the current culture
/// <param name="source"> string with GradientStopCollection data </param>
/// </summary>
public static GradientStopCollection Parse(string source)
{
IFormatProvider formatProvider = System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS;
TokenizerHelper th = new TokenizerHelper(source, formatProvider);
GradientStopCollection resource = new GradientStopCollection();
GradientStop value;
while (th.NextToken())
{
value = new GradientStop(
Parsers.ParseColor(th.GetCurrentToken(), formatProvider),
Convert.ToDouble(th.NextTokenRequired(), formatProvider));
resource.Add(value);
}
return resource;
}
#endregion Internal Properties
//------------------------------------------------------
//
// Dependency Properties
//
//------------------------------------------------------
#region Dependency Properties
#endregion Dependency Properties
//------------------------------------------------------
//
// Internal Fields
//
//------------------------------------------------------
#region Internal Fields
internal FrugalStructList<GradientStop> _collection;
internal uint _version = 0;
#endregion Internal Fields
#region Enumerator
/// <summary>
/// Enumerates the items in a GradientStopCollection
/// </summary>
public struct Enumerator : IEnumerator, IEnumerator<GradientStop>
{
#region Constructor
internal Enumerator(GradientStopCollection list)
{
Debug.Assert(list != null, "list may not be null.");
_list = list;
_version = list._version;
_index = -1;
_current = default(GradientStop);
}
#endregion
#region Methods
void IDisposable.Dispose()
{
}
/// <summary>
/// Advances the enumerator to the next element of the collection.
/// </summary>
/// <returns>
/// true if the enumerator was successfully advanced to the next element,
/// false if the enumerator has passed the end of the collection.
/// </returns>
public bool MoveNext()
{
_list.ReadPreamble();
if (_version == _list._version)
{
if (_index > -2 && _index < _list._collection.Count - 1)
{
_current = _list._collection[++_index];
return true;
}
else
{
_index = -2; // -2 indicates "past the end"
return false;
}
}
else
{
throw new InvalidOperationException(SR.Enumerator_CollectionChanged);
}
}
/// <summary>
/// Sets the enumerator to its initial position, which is before the
/// first element in the collection.
/// </summary>
public void Reset()
{
_list.ReadPreamble();
if (_version == _list._version)
{
_index = -1;
}
else
{
throw new InvalidOperationException(SR.Enumerator_CollectionChanged);
}
}
#endregion
#region Properties
object IEnumerator.Current
{
get
{
return this.Current;
}
}
/// <summary>
/// Current element
///
/// The behavior of IEnumerable<T>.Current is undefined
/// before the first MoveNext and after we have walked
/// off the end of the list. However, the IEnumerable.Current
/// contract requires that we throw exceptions
/// </summary>
public GradientStop Current
{
get
{
if (_index > -1)
{
return _current;
}
else if (_index == -1)
{
throw new InvalidOperationException(SR.Enumerator_NotStarted);
}
else
{
Debug.Assert(_index == -2, "expected -2, got " + _index + "\n");
throw new InvalidOperationException(SR.Enumerator_ReachedEnd);
}
}
}
#endregion
#region Data
private GradientStop _current;
private GradientStopCollection _list;
private uint _version;
private int _index;
#endregion
}
#endregion
#region Constructors
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
/// <summary>
/// Initializes a new instance that is empty.
/// </summary>
public GradientStopCollection()
{
_collection = new FrugalStructList<GradientStop>();
}
/// <summary>
/// Initializes a new instance that is empty and has the specified initial capacity.
/// </summary>
/// <param name="capacity"> int - The number of elements that the new list is initially capable of storing. </param>
public GradientStopCollection(int capacity)
{
_collection = new FrugalStructList<GradientStop>(capacity);
}
/// <summary>
/// Creates a GradientStopCollection with all of the same elements as collection
/// </summary>
public GradientStopCollection(IEnumerable<GradientStop> collection)
{
// The WritePreamble and WritePostscript aren't technically necessary
// in the constructor as of 1/20/05 but they are put here in case
// their behavior changes at a later date
WritePreamble();
ArgumentNullException.ThrowIfNull(collection);
bool needsItemValidation = true;
ICollection<GradientStop> icollectionOfT = collection as ICollection<GradientStop>;
if (icollectionOfT != null)
{
_collection = new FrugalStructList<GradientStop>(icollectionOfT);
}
else
{
ICollection icollection = collection as ICollection;
if (icollection != null) // an IC but not and IC<T>
{
_collection = new FrugalStructList<GradientStop>(icollection);
}
else // not a IC or IC<T> so fall back to the slower Add
{
_collection = new FrugalStructList<GradientStop>();
foreach (GradientStop item in collection)
{
if (item == null)
{
throw new System.ArgumentException(SR.Collection_NoNull);
}
GradientStop newValue = item;
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
needsItemValidation = false;
}
}
if (needsItemValidation)
{
foreach (GradientStop item in collection)
{
if (item == null)
{
throw new System.ArgumentException(SR.Collection_NoNull);
}
OnFreezablePropertyChanged(/* oldValue = */ null, item);
}
}
WritePostscript();
}
#endregion Constructors
}
}
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