Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / MS / Internal / Automation / TextRangeProviderWrapper.cs / 1305600 / TextRangeProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: TextRange provider wrapper for WCP // // History: // 03/09/2004 : a-davidj created. // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Windows.Threading; using System.Windows; using System.Windows.Media; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Text; using System.Windows.Automation.Peers; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace MS.Internal.Automation { // see comment on InvokeProviderWrapper class for explanation of purpose and organization of these wrapper classes. internal class TextRangeProviderWrapper: MarshalByRefObject, ITextRangeProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors internal TextRangeProviderWrapper( AutomationPeer peer, ITextRangeProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface ITextRangeProvider // //----------------------------------------------------- #region Interface ITextRangeProvider public ITextRangeProvider Clone() { return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Clone), null); } public bool Compare(ITextRangeProvider range) { if (!(range is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "range")); } return (bool)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Compare), range); } public int CompareEndpoints(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint) { if (!(targetRange is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "targetRange")); } object[] args = new object[] { endpoint, targetRange, targetEndpoint }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(CompareEndpoints), args); } public void ExpandToEnclosingUnit(TextUnit unit) { object[] args = new object[] { unit }; ElementUtil.Invoke(_peer, new DispatcherOperationCallback(ExpandToEnclosingUnit), args); } public ITextRangeProvider FindAttribute(int attribute, object val, bool backward) { object[] args = new object[] { attribute, val, backward }; return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(FindAttribute), args); } public ITextRangeProvider FindText(string text, bool backward, bool ignoreCase) { object[] args = new object[] { text, backward, ignoreCase }; return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(FindText), args); } public object GetAttributeValue(int attribute) { object[] args = new object[] { attribute }; return ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetAttributeValue), args); } public double [] GetBoundingRectangles() { return (double [])ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetBoundingRectangles), null); } public IRawElementProviderSimple GetEnclosingElement() { return (IRawElementProviderSimple)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetEnclosingElement), null); } public string GetText(int maxLength) { object[] args = new object[] {maxLength}; return (string)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetText), args); } public int Move(TextUnit unit, int count) { object[] args = new object[] { unit, count }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Move), args); } public int MoveEndpointByUnit(TextPatternRangeEndpoint endpoint, TextUnit unit, int count) { object[] args = new object[] { endpoint, unit, count }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(MoveEndpointByUnit), args); } public void MoveEndpointByRange(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint) { if (!(targetRange is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "targetRange")); } object[] args = new object[] { endpoint, targetRange, targetEndpoint }; ElementUtil.Invoke(_peer, new DispatcherOperationCallback(MoveEndpointByRange), args); } public void Select() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Select), null); } public void AddToSelection() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(AddToSelection), null); } public void RemoveFromSelection() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(RemoveFromSelection), null); } public void ScrollIntoView(bool alignToTop) { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(ScrollIntoView), alignToTop); } public IRawElementProviderSimple[] GetChildren() { return (IRawElementProviderSimple[])ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetChildren), null); } #endregion Interface ITextRangeProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods // Wrap arguments that are being returned, assuming they're not null or already wrapped. static internal ITextRangeProvider WrapArgument(ITextRangeProvider argument, AutomationPeer peer) { if (argument == null) return null; if (argument is TextRangeProviderWrapper) return argument; return new TextRangeProviderWrapper(peer, argument); } static internal ITextRangeProvider [] WrapArgument(ITextRangeProvider [] argument, AutomationPeer peer) { if (argument == null) return null; if (argument is TextRangeProviderWrapper []) return argument; ITextRangeProvider[] outArray = new ITextRangeProvider[argument.Length]; for (int i = 0; i < argument.Length; i++) { outArray[i] = WrapArgument(argument[i], peer); } return outArray; } // Remove the wrapper from the argument if a wrapper exists static internal ITextRangeProvider UnwrapArgument(ITextRangeProvider argument) { if (argument is TextRangeProviderWrapper) { return ((TextRangeProviderWrapper)argument)._iface; } return argument; } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object Clone(object unused) { return TextRangeProviderWrapper.WrapArgument( _iface.Clone(), _peer ); } private object Compare(object arg) { ITextRangeProvider range = (ITextRangeProvider)arg; return _iface.Compare( TextRangeProviderWrapper.UnwrapArgument( range ) ); } private object CompareEndpoints(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; ITextRangeProvider targetRange = (ITextRangeProvider)args[1]; TextPatternRangeEndpoint targetEndpoint = (TextPatternRangeEndpoint)args[2]; return _iface.CompareEndpoints(endpoint, TextRangeProviderWrapper.UnwrapArgument( targetRange ), targetEndpoint); } private object ExpandToEnclosingUnit(object arg) { object[] args = (object[])arg; TextUnit unit = (TextUnit)args[0]; _iface.ExpandToEnclosingUnit(unit); return null; } private object FindAttribute(object arg) { object[] args = (object[])arg; int attribute = (int)args[0]; object val = args[1]; bool backward = (bool)args[2]; return TextRangeProviderWrapper.WrapArgument( _iface.FindAttribute(attribute, val, backward), _peer ); } private object FindText(object arg) { object[] args = (object[])arg; string text = (string)args[0]; bool backward = (bool)args[1]; bool ignoreCase = (bool)args[2]; return TextRangeProviderWrapper.WrapArgument( _iface.FindText(text, backward, ignoreCase), _peer ); } private object GetAttributeValue(object arg) { object[] args = (object[])arg; int attribute = (int)args[0]; return _iface.GetAttributeValue(attribute); // note: if an attribute value is ever a range then we'll need to wrap/unwrap it appropriately here. } private object GetBoundingRectangles(object unused) { return _iface.GetBoundingRectangles(); } private object GetEnclosingElement(object unused) { return _iface.GetEnclosingElement(); } private object GetText(object arg) { object[] args = (object[])arg; int maxLength = (int)args[0]; return _iface.GetText(maxLength); } private object Move(object arg) { object[] args = (object[])arg; TextUnit unit = (TextUnit)args[0]; int count = (int)args[1]; return _iface.Move(unit, count); } private object MoveEndpointByUnit(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; TextUnit unit = (TextUnit)args[1]; int count = (int)args[2]; return _iface.MoveEndpointByUnit(endpoint, unit, count); } private object MoveEndpointByRange(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; ITextRangeProvider targetRange = (ITextRangeProvider)args[1]; TextPatternRangeEndpoint targetEndpoint = (TextPatternRangeEndpoint)args[2]; _iface.MoveEndpointByRange(endpoint, TextRangeProviderWrapper.UnwrapArgument( targetRange ), targetEndpoint); return null; } private object Select(object unused) { _iface.Select(); return null; } private object AddToSelection(object unused) { _iface.AddToSelection(); return null; } private object RemoveFromSelection(object unused) { _iface.RemoveFromSelection(); return null; } private object ScrollIntoView(object arg) { bool alignTop = (bool)arg; _iface.ScrollIntoView(alignTop); return null; } private object GetChildren(object unused) { return _iface.GetChildren(); } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private ITextRangeProvider _iface; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: TextRange provider wrapper for WCP // // History: // 03/09/2004 : a-davidj created. // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Windows.Threading; using System.Windows; using System.Windows.Media; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Text; using System.Windows.Automation.Peers; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace MS.Internal.Automation { // see comment on InvokeProviderWrapper class for explanation of purpose and organization of these wrapper classes. internal class TextRangeProviderWrapper: MarshalByRefObject, ITextRangeProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors internal TextRangeProviderWrapper( AutomationPeer peer, ITextRangeProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface ITextRangeProvider // //----------------------------------------------------- #region Interface ITextRangeProvider public ITextRangeProvider Clone() { return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Clone), null); } public bool Compare(ITextRangeProvider range) { if (!(range is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "range")); } return (bool)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Compare), range); } public int CompareEndpoints(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint) { if (!(targetRange is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "targetRange")); } object[] args = new object[] { endpoint, targetRange, targetEndpoint }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(CompareEndpoints), args); } public void ExpandToEnclosingUnit(TextUnit unit) { object[] args = new object[] { unit }; ElementUtil.Invoke(_peer, new DispatcherOperationCallback(ExpandToEnclosingUnit), args); } public ITextRangeProvider FindAttribute(int attribute, object val, bool backward) { object[] args = new object[] { attribute, val, backward }; return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(FindAttribute), args); } public ITextRangeProvider FindText(string text, bool backward, bool ignoreCase) { object[] args = new object[] { text, backward, ignoreCase }; return (ITextRangeProvider)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(FindText), args); } public object GetAttributeValue(int attribute) { object[] args = new object[] { attribute }; return ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetAttributeValue), args); } public double [] GetBoundingRectangles() { return (double [])ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetBoundingRectangles), null); } public IRawElementProviderSimple GetEnclosingElement() { return (IRawElementProviderSimple)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetEnclosingElement), null); } public string GetText(int maxLength) { object[] args = new object[] {maxLength}; return (string)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetText), args); } public int Move(TextUnit unit, int count) { object[] args = new object[] { unit, count }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Move), args); } public int MoveEndpointByUnit(TextPatternRangeEndpoint endpoint, TextUnit unit, int count) { object[] args = new object[] { endpoint, unit, count }; return (int)ElementUtil.Invoke(_peer, new DispatcherOperationCallback(MoveEndpointByUnit), args); } public void MoveEndpointByRange(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint) { if (!(targetRange is TextRangeProviderWrapper)) { throw new ArgumentException(SR.Get(SRID.TextRangeProvider_InvalidRangeProvider, "targetRange")); } object[] args = new object[] { endpoint, targetRange, targetEndpoint }; ElementUtil.Invoke(_peer, new DispatcherOperationCallback(MoveEndpointByRange), args); } public void Select() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(Select), null); } public void AddToSelection() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(AddToSelection), null); } public void RemoveFromSelection() { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(RemoveFromSelection), null); } public void ScrollIntoView(bool alignToTop) { ElementUtil.Invoke(_peer, new DispatcherOperationCallback(ScrollIntoView), alignToTop); } public IRawElementProviderSimple[] GetChildren() { return (IRawElementProviderSimple[])ElementUtil.Invoke(_peer, new DispatcherOperationCallback(GetChildren), null); } #endregion Interface ITextRangeProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods // Wrap arguments that are being returned, assuming they're not null or already wrapped. static internal ITextRangeProvider WrapArgument(ITextRangeProvider argument, AutomationPeer peer) { if (argument == null) return null; if (argument is TextRangeProviderWrapper) return argument; return new TextRangeProviderWrapper(peer, argument); } static internal ITextRangeProvider [] WrapArgument(ITextRangeProvider [] argument, AutomationPeer peer) { if (argument == null) return null; if (argument is TextRangeProviderWrapper []) return argument; ITextRangeProvider[] outArray = new ITextRangeProvider[argument.Length]; for (int i = 0; i < argument.Length; i++) { outArray[i] = WrapArgument(argument[i], peer); } return outArray; } // Remove the wrapper from the argument if a wrapper exists static internal ITextRangeProvider UnwrapArgument(ITextRangeProvider argument) { if (argument is TextRangeProviderWrapper) { return ((TextRangeProviderWrapper)argument)._iface; } return argument; } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object Clone(object unused) { return TextRangeProviderWrapper.WrapArgument( _iface.Clone(), _peer ); } private object Compare(object arg) { ITextRangeProvider range = (ITextRangeProvider)arg; return _iface.Compare( TextRangeProviderWrapper.UnwrapArgument( range ) ); } private object CompareEndpoints(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; ITextRangeProvider targetRange = (ITextRangeProvider)args[1]; TextPatternRangeEndpoint targetEndpoint = (TextPatternRangeEndpoint)args[2]; return _iface.CompareEndpoints(endpoint, TextRangeProviderWrapper.UnwrapArgument( targetRange ), targetEndpoint); } private object ExpandToEnclosingUnit(object arg) { object[] args = (object[])arg; TextUnit unit = (TextUnit)args[0]; _iface.ExpandToEnclosingUnit(unit); return null; } private object FindAttribute(object arg) { object[] args = (object[])arg; int attribute = (int)args[0]; object val = args[1]; bool backward = (bool)args[2]; return TextRangeProviderWrapper.WrapArgument( _iface.FindAttribute(attribute, val, backward), _peer ); } private object FindText(object arg) { object[] args = (object[])arg; string text = (string)args[0]; bool backward = (bool)args[1]; bool ignoreCase = (bool)args[2]; return TextRangeProviderWrapper.WrapArgument( _iface.FindText(text, backward, ignoreCase), _peer ); } private object GetAttributeValue(object arg) { object[] args = (object[])arg; int attribute = (int)args[0]; return _iface.GetAttributeValue(attribute); // note: if an attribute value is ever a range then we'll need to wrap/unwrap it appropriately here. } private object GetBoundingRectangles(object unused) { return _iface.GetBoundingRectangles(); } private object GetEnclosingElement(object unused) { return _iface.GetEnclosingElement(); } private object GetText(object arg) { object[] args = (object[])arg; int maxLength = (int)args[0]; return _iface.GetText(maxLength); } private object Move(object arg) { object[] args = (object[])arg; TextUnit unit = (TextUnit)args[0]; int count = (int)args[1]; return _iface.Move(unit, count); } private object MoveEndpointByUnit(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; TextUnit unit = (TextUnit)args[1]; int count = (int)args[2]; return _iface.MoveEndpointByUnit(endpoint, unit, count); } private object MoveEndpointByRange(object arg) { object[] args = (object[])arg; TextPatternRangeEndpoint endpoint = (TextPatternRangeEndpoint)args[0]; ITextRangeProvider targetRange = (ITextRangeProvider)args[1]; TextPatternRangeEndpoint targetEndpoint = (TextPatternRangeEndpoint)args[2]; _iface.MoveEndpointByRange(endpoint, TextRangeProviderWrapper.UnwrapArgument( targetRange ), targetEndpoint); return null; } private object Select(object unused) { _iface.Select(); return null; } private object AddToSelection(object unused) { _iface.AddToSelection(); return null; } private object RemoveFromSelection(object unused) { _iface.RemoveFromSelection(); return null; } private object ScrollIntoView(object arg) { bool alignTop = (bool)arg; _iface.ScrollIntoView(alignTop); return null; } private object GetChildren(object unused) { return _iface.GetChildren(); } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private ITextRangeProvider _iface; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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