Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / MS / Internal / Controls / ActiveXContainer.cs / 2 / ActiveXContainer.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Implements ActiveXContainer interfaces to host
// ActiveX controls
//
// Source copied from AxContainer.cs
//
// History
// 04/17/05 KusumaV Created
//
//-----------------------------------------------------------------------------
using System;
using System.Collections;
using System.Diagnostics;
using Microsoft.Win32;
using System.Windows.Interop;
using MS.Win32;
using System.Security ;
using System.Windows.Controls;
namespace MS.Internal.Controls
{
#region class ActiveXContainer
//This implements the basic container interfaces. Other siting related interfaces are
//implemented on the ActiveXSite object e.g. IOleClientSite, IOleInPlaceSite, IOleControlSite etc.
internal class ActiveXContainer : UnsafeNativeMethods.IOleContainer, UnsafeNativeMethods.IOleInPlaceFrame
{
#region Constructor
///
/// Critical - accesses critical _host member.
///
[ SecurityCritical ]
internal ActiveXContainer(ActiveXHost host)
{
this._host = host;
Invariant.Assert(_host != null);
}
#endregion Constructor
//-----------------------------------------------------
//
// Internal Methods
//
//-----------------------------------------------------
#region Internal Methods
#region IOleContainer
//
// IOleContainer methods:
//
int UnsafeNativeMethods.IOleContainer.ParseDisplayName(Object pbc, string pszDisplayName, int[] pchEaten, Object[] ppmkOut)
{
if (ppmkOut != null)
ppmkOut[0] = null;
return NativeMethods.E_NOTIMPL;
}
///
/// Critical - calls _host.ActiveXInstance
///
[SecurityCritical]
int UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = null;
Debug.Assert(_host != null, "gotta have the avalon activex host");
object ax = _host.ActiveXInstance;
//We support only one control, return that here
//How does one add multiple controls to a container?
if (ax != null
&&
( ((grfFlags & NativeMethods.OLECONTF_EMBEDDINGS) != 0)
||
((grfFlags & NativeMethods.OLECONTF_ONLYIFRUNNING) != 0 &&
_host.ActiveXState == ActiveXHelper.ActiveXState.Running )) )
{
Object[] temp = new Object[1];
temp[0]= ax;
ppenum = new EnumUnknown(temp);
return NativeMethods.S_OK;
}
ppenum = new EnumUnknown(null);
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleContainer.LockContainer(bool fLock)
{
return NativeMethods.E_NOTIMPL;
}
#endregion IOleContainer
#region IOleInPlaceFrame
//
// IOleInPlaceFrame methods:
//
///
/// Critical - accesses critical _host member.
///
[SecurityCritical]
IntPtr UnsafeNativeMethods.IOleInPlaceFrame.GetWindow()
{
return _host.ParentHandle.Handle;
}
int UnsafeNativeMethods.IOleInPlaceFrame.ContextSensitiveHelp(int fEnterMode)
{
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.GetBorder(NativeMethods.COMRECT lprectBorder)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.RequestBorderSpace(NativeMethods.COMRECT pborderwidths)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetBorderSpace(NativeMethods.COMRECT pborderwidths)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetActiveObject(UnsafeNativeMethods.IOleInPlaceActiveObject pActiveObject, string pszObjName)
{
//Winforms has code to remove selection handler around the active object
//and add it around the new one
//
//Since we don't have anything like that in Avalon, we do nothing
//
//For future reference, added skeletal code on how to get to the internal hosting
//objects incase they are needed here.
/*
ActiveXHost host = null;
if (pActiveObject is UnsafeNativeMethods.IOleObject)
{
UnsafeNativeMethods.IOleObject oleObject = (UnsafeNativeMethods.IOleObject)pActiveObject;
UnsafeNativeMethods.IOleClientSite clientSite = null;
try
{
clientSite = oleObject.GetClientSite();
if ((clientSite as ActiveXSite) != null)
{
ctl = ((ActiveXSite)(clientSite)).GetActiveXHost();
}
}
catch (COMException t)
{
Debug.Fail(t.ToString());
}
}
*/
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.InsertMenus(IntPtr hmenuShared, NativeMethods.tagOleMenuGroupWidths lpMenuWidths)
{
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetMenu(IntPtr hmenuShared, IntPtr holemenu, IntPtr hwndActiveObject)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.RemoveMenus(IntPtr hmenuShared)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetStatusText(string pszStatusText)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.EnableModeless(bool fEnable)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.TranslateAccelerator(ref MSG lpmsg, short wID)
{
return NativeMethods.S_FALSE;
}
#endregion IOleInPlaceFrame
///
/// Critical - calls ActiveXHost.
/// TreatAsSafe - transitioning to UIActive is ok.
///
[ SecurityCritical, SecurityTreatAsSafe ]
internal void OnUIActivate(ActiveXHost site)
{
// The ShDocVw control repeatedly calls OnUIActivate() with the same
// site. This causes the assert below to fire.
//
if (_siteUIActive == site)
return;
if (_siteUIActive != null )
{
//Winforms WebOC also uses ActiveXHost instead of ActiveXSite.
//Ideally it should have been the site but since its a 1-1 relationship
//for hosting the webOC, it will work
ActiveXHost tempSite = _siteUIActive;
tempSite.ActiveXInPlaceObject.UIDeactivate();
}
Debug.Assert(_siteUIActive == null, "Object did not call OnUIDeactivate");
_siteUIActive = site;
//
}
///
/// Critical - calls ActiveXHost.
/// TreatAsSafe - transitioning away from UI-Active is ok.
///
[SecurityCritical, SecurityTreatAsSafe ]
internal void OnUIDeactivate(ActiveXHost site)
{
#if DEBUG
if (_siteUIActive != null) {
//
Debug.Assert(this.ActiveXHost == site, "deactivating when not active...");
}
#endif // DEBUG
//
_siteUIActive = null;
}
///
/// Critical - accesses critical data.
/// TreatAsSafe - Transitioning away from in-place is ok.
/// Clearing the active site is ok.
///
[ SecurityCritical, SecurityTreatAsSafe ]
internal void OnInPlaceDeactivate(ActiveXHost site)
{
//
if (this.ActiveXHost == site)
{
}
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Properties
//
//-----------------------------------------------------
#region Internal Properties
///
/// Critical - accesses critical _host member.
///
internal ActiveXHost ActiveXHost
{
[ SecurityCritical ]
get { return _host; }
}
#endregion Internal Properties
//------------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
///
/// Critical - data - ptr. to control.
///
[ SecurityCritical ]
private ActiveXHost _host;
///
/// Critical - data - ptr. to control.
///
[ SecurityCritical ]
private ActiveXHost _siteUIActive;
#endregion Private Fields
}
#endregion class ActiveXContainer
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Implements ActiveXContainer interfaces to host
// ActiveX controls
//
// Source copied from AxContainer.cs
//
// History
// 04/17/05 KusumaV Created
//
//-----------------------------------------------------------------------------
using System;
using System.Collections;
using System.Diagnostics;
using Microsoft.Win32;
using System.Windows.Interop;
using MS.Win32;
using System.Security ;
using System.Windows.Controls;
namespace MS.Internal.Controls
{
#region class ActiveXContainer
//This implements the basic container interfaces. Other siting related interfaces are
//implemented on the ActiveXSite object e.g. IOleClientSite, IOleInPlaceSite, IOleControlSite etc.
internal class ActiveXContainer : UnsafeNativeMethods.IOleContainer, UnsafeNativeMethods.IOleInPlaceFrame
{
#region Constructor
///
/// Critical - accesses critical _host member.
///
[ SecurityCritical ]
internal ActiveXContainer(ActiveXHost host)
{
this._host = host;
Invariant.Assert(_host != null);
}
#endregion Constructor
//-----------------------------------------------------
//
// Internal Methods
//
//-----------------------------------------------------
#region Internal Methods
#region IOleContainer
//
// IOleContainer methods:
//
int UnsafeNativeMethods.IOleContainer.ParseDisplayName(Object pbc, string pszDisplayName, int[] pchEaten, Object[] ppmkOut)
{
if (ppmkOut != null)
ppmkOut[0] = null;
return NativeMethods.E_NOTIMPL;
}
///
/// Critical - calls _host.ActiveXInstance
///
[SecurityCritical]
int UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = null;
Debug.Assert(_host != null, "gotta have the avalon activex host");
object ax = _host.ActiveXInstance;
//We support only one control, return that here
//How does one add multiple controls to a container?
if (ax != null
&&
( ((grfFlags & NativeMethods.OLECONTF_EMBEDDINGS) != 0)
||
((grfFlags & NativeMethods.OLECONTF_ONLYIFRUNNING) != 0 &&
_host.ActiveXState == ActiveXHelper.ActiveXState.Running )) )
{
Object[] temp = new Object[1];
temp[0]= ax;
ppenum = new EnumUnknown(temp);
return NativeMethods.S_OK;
}
ppenum = new EnumUnknown(null);
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleContainer.LockContainer(bool fLock)
{
return NativeMethods.E_NOTIMPL;
}
#endregion IOleContainer
#region IOleInPlaceFrame
//
// IOleInPlaceFrame methods:
//
///
/// Critical - accesses critical _host member.
///
[SecurityCritical]
IntPtr UnsafeNativeMethods.IOleInPlaceFrame.GetWindow()
{
return _host.ParentHandle.Handle;
}
int UnsafeNativeMethods.IOleInPlaceFrame.ContextSensitiveHelp(int fEnterMode)
{
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.GetBorder(NativeMethods.COMRECT lprectBorder)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.RequestBorderSpace(NativeMethods.COMRECT pborderwidths)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetBorderSpace(NativeMethods.COMRECT pborderwidths)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetActiveObject(UnsafeNativeMethods.IOleInPlaceActiveObject pActiveObject, string pszObjName)
{
//Winforms has code to remove selection handler around the active object
//and add it around the new one
//
//Since we don't have anything like that in Avalon, we do nothing
//
//For future reference, added skeletal code on how to get to the internal hosting
//objects incase they are needed here.
/*
ActiveXHost host = null;
if (pActiveObject is UnsafeNativeMethods.IOleObject)
{
UnsafeNativeMethods.IOleObject oleObject = (UnsafeNativeMethods.IOleObject)pActiveObject;
UnsafeNativeMethods.IOleClientSite clientSite = null;
try
{
clientSite = oleObject.GetClientSite();
if ((clientSite as ActiveXSite) != null)
{
ctl = ((ActiveXSite)(clientSite)).GetActiveXHost();
}
}
catch (COMException t)
{
Debug.Fail(t.ToString());
}
}
*/
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.InsertMenus(IntPtr hmenuShared, NativeMethods.tagOleMenuGroupWidths lpMenuWidths)
{
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetMenu(IntPtr hmenuShared, IntPtr holemenu, IntPtr hwndActiveObject)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.RemoveMenus(IntPtr hmenuShared)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetStatusText(string pszStatusText)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.EnableModeless(bool fEnable)
{
return NativeMethods.E_NOTIMPL;
}
int UnsafeNativeMethods.IOleInPlaceFrame.TranslateAccelerator(ref MSG lpmsg, short wID)
{
return NativeMethods.S_FALSE;
}
#endregion IOleInPlaceFrame
///
/// Critical - calls ActiveXHost.
/// TreatAsSafe - transitioning to UIActive is ok.
///
[ SecurityCritical, SecurityTreatAsSafe ]
internal void OnUIActivate(ActiveXHost site)
{
// The ShDocVw control repeatedly calls OnUIActivate() with the same
// site. This causes the assert below to fire.
//
if (_siteUIActive == site)
return;
if (_siteUIActive != null )
{
//Winforms WebOC also uses ActiveXHost instead of ActiveXSite.
//Ideally it should have been the site but since its a 1-1 relationship
//for hosting the webOC, it will work
ActiveXHost tempSite = _siteUIActive;
tempSite.ActiveXInPlaceObject.UIDeactivate();
}
Debug.Assert(_siteUIActive == null, "Object did not call OnUIDeactivate");
_siteUIActive = site;
//
}
///
/// Critical - calls ActiveXHost.
/// TreatAsSafe - transitioning away from UI-Active is ok.
///
[SecurityCritical, SecurityTreatAsSafe ]
internal void OnUIDeactivate(ActiveXHost site)
{
#if DEBUG
if (_siteUIActive != null) {
//
Debug.Assert(this.ActiveXHost == site, "deactivating when not active...");
}
#endif // DEBUG
//
_siteUIActive = null;
}
///
/// Critical - accesses critical data.
/// TreatAsSafe - Transitioning away from in-place is ok.
/// Clearing the active site is ok.
///
[ SecurityCritical, SecurityTreatAsSafe ]
internal void OnInPlaceDeactivate(ActiveXHost site)
{
//
if (this.ActiveXHost == site)
{
}
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Properties
//
//-----------------------------------------------------
#region Internal Properties
///
/// Critical - accesses critical _host member.
///
internal ActiveXHost ActiveXHost
{
[ SecurityCritical ]
get { return _host; }
}
#endregion Internal Properties
//------------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
///
/// Critical - data - ptr. to control.
///
[ SecurityCritical ]
private ActiveXHost _host;
///
/// Critical - data - ptr. to control.
///
[ SecurityCritical ]
private ActiveXHost _siteUIActive;
#endregion Private Fields
}
#endregion class ActiveXContainer
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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