public static void DisposeCachedEditor()
{
if (_editorCache != null)
{
MshtmlEditor tempEditor = _editorCache.Editor;
InternetSecurityManagerShim tempSecMan = _editorCache.SecurityManager;
_editorCache = null;
tempEditor.Dispose();
tempSecMan.ReleaseInnerSecurityManager();
}
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
public virtual void Dispose()
{
_internetSecurityManager.ReleaseInnerSecurityManager();
PostEditorEvent -= new MshtmlEditor.EditDesignerEventHandler(HtmlEditorControl_PostEditorEvent);
HandleClear -= new HtmlEditorSelectionOperationEventHandler(TryMoveIntoNextTable);
if (components != null)
{
components.Dispose();
}
// detach behaviors
DetachBehaviors();
// dispose drag and drop manager
if (mshtmlEditorDragAndDropTarget != null)
{
mshtmlEditorDragAndDropTarget.Dispose();
mshtmlEditorDragAndDropTarget = null;
}
if (_dataFormatHandlerFactory != null)
{
_dataFormatHandlerFactory.Dispose();
_dataFormatHandlerFactory = null;
}
if (_damageServices != null)
_damageServices.Dispose();
// dispose link navigator
if (linkNavigator != null)
linkNavigator.Dispose();
if (_mshtmlEditor != null)
{
_mshtmlEditor.DocumentComplete -= new EventHandler(_mshtmlEditor_DocumentComplete);
_mshtmlEditor.DocumentEvents.GotFocus -= htmlEditor_GotFocus;
_mshtmlEditor.DocumentEvents.LostFocus -= htmlEditor_LostFocus;
_mshtmlEditor.DocumentEvents.KeyDown -= new HtmlEventHandler(DocumentEvents_KeyDown);
_mshtmlEditor.DocumentEvents.KeyUp -= new HtmlEventHandler(DocumentEvents_KeyUp);
_mshtmlEditor.DocumentEvents.KeyPress -= new HtmlEventHandler(DocumentEvents_KeyPress);
_mshtmlEditor.DocumentEvents.MouseDown -= new HtmlEventHandler(DocumentEvents_MouseDown);
_mshtmlEditor.DocumentEvents.MouseUp -= new HtmlEventHandler(DocumentEvents_MouseUp);
_mshtmlEditor.DocumentEvents.SelectionChanged -= new EventHandler(DocumentEvents_SelectionChanged);
_mshtmlEditor.DisplayChanged -= new EventHandler(_mshtmlEditor_DisplayChanged);
_mshtmlEditor.DocumentEvents.Click -= new HtmlEventHandler(DocumentEvents_Click);
_mshtmlEditor.CommandKey -= new KeyEventHandler(_mshtmlEditor_CommandKey);
_mshtmlEditor.BeforeShowContextMenu -= new EventHandler(_mshtmlEditor_BeforeShowContextMenu);
_mshtmlEditor.DropTargetHandler = null;
_mshtmlEditor.PreHandleEvent -= new HtmlEditDesignerEventHandler(OnPreHandleEvent);
_mshtmlEditor.MshtmlControl.DLControlFlagsChanged -= new EventHandler(_mshtmlControl_DLControlFlagsChanged);
_mshtmlEditor.TranslateAccelerator -= new HtmlEditDesignerEventHandler(_mshtmlEditor_TranslateAccelerator);
if (ShouldCacheEditor())
{
_mshtmlEditor.Active = false;
_editorCache = new CachedEditorAndSecurityManager { Editor = _mshtmlEditor, SecurityManager = _internetSecurityManager };
}
else
{
_mshtmlEditor.Dispose();
_mshtmlEditor = null;
}
}
}
public HtmlEditorControl(IMainFrameWindow mainFrameWindow, IStatusBar statusBar, MshtmlOptions options, IInternetSecurityManager internetSecurityManager, CommandManager commandManager)
{
_commandManager = commandManager;
// save reference to main frame window
_mainFrameWindow = mainFrameWindow;
_statusBar = statusBar;
//ToDo: OLW Spell Checker
//_spellingChecker = spellingChecker;
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
//initialize the data format handlers for this control
DataFormatHandlerFactory = new HtmlEditorMarshallingHandler(this);
MarshalImagesSupported = true;
MarshalFilesSupported = true;
MarshalUrlSupported = true;
MarshalHtmlSupported = true;
MarshalTextSupported = true;
// The version host service provider tells MSHTML what feature versions are available (e.g. VML 1.0).
VersionHostServiceProvider = new VersionHostServiceProvider(new DisableVmlVersionHost());
// initialize the html editor
if (_editorCache == null)
{
_internetSecurityManager = new InternetSecurityManagerShim(internetSecurityManager);
// If mainFrameWindow == null, then we are pre-caching mshtml and don't want it to steal focus
_mshtmlEditor = new MshtmlEditor(this, options, (mainFrameWindow == null));
}
else
{
_mshtmlEditor = _editorCache.Editor;
_internetSecurityManager = _editorCache.SecurityManager;
_internetSecurityManager.SecurityManager = internetSecurityManager;
_editorCache = null;
_mshtmlEditor.Active = true;
_mshtmlEditor.MshtmlControl.ProtectFocus = false;
_mshtmlEditor.ClearContextMenuHandlers();
_mshtmlEditor.SetServiceProvider(this);
_mshtmlEditor.UpdateOptions(options, true);
}
_mshtmlOptions = options;
this.DefaultBlockElement = _mshtmlOptions.UseDivForCarriageReturn
? (DefaultBlockElement)new DivDefaultBlockElement()
: new ParagraphDefaultBlockElement();
PostEditorEvent += new MshtmlEditor.EditDesignerEventHandler(HtmlEditorControl_PostEditorEvent);
HandleClear += new HtmlEditorSelectionOperationEventHandler(TryMoveIntoNextTable);
// Hook the editor into the stream of the security manager so we
// can allow our own objects (smart content, image resizing) to load in the editor
_internetSecurityManager.HandleProcessUrlAction = HandleProcessUrlAction;
// Automation uses this to find the editor to automate it
_mshtmlEditor.Name = "BorderControl";
// subscribe to key events
_mshtmlEditor.DocumentComplete += new EventHandler(_mshtmlEditor_DocumentComplete);
_mshtmlEditor.DocumentEvents.GotFocus += htmlEditor_GotFocus;
_mshtmlEditor.DocumentEvents.LostFocus += htmlEditor_LostFocus;
_mshtmlEditor.DocumentEvents.KeyDown += new HtmlEventHandler(DocumentEvents_KeyDown);
_mshtmlEditor.DocumentEvents.KeyUp += new HtmlEventHandler(DocumentEvents_KeyUp);
_mshtmlEditor.DocumentEvents.KeyPress += new HtmlEventHandler(DocumentEvents_KeyPress);
_mshtmlEditor.DocumentEvents.MouseDown += new HtmlEventHandler(DocumentEvents_MouseDown);
_mshtmlEditor.DocumentEvents.MouseUp += new HtmlEventHandler(DocumentEvents_MouseUp);
_mshtmlEditor.DocumentEvents.SelectionChanged += new EventHandler(DocumentEvents_SelectionChanged);
_mshtmlEditor.DisplayChanged += new EventHandler(_mshtmlEditor_DisplayChanged);
_mshtmlEditor.DocumentEvents.Click += new HtmlEventHandler(DocumentEvents_Click);
_mshtmlEditor.CommandKey += new KeyEventHandler(_mshtmlEditor_CommandKey);
_mshtmlEditor.DropTargetHandler = new MshtmlEditor.DropTargetUIHandler(_mshtmlEditor_GetDropTarget);
_mshtmlEditor.BeforeShowContextMenu += new EventHandler(_mshtmlEditor_BeforeShowContextMenu);
_mshtmlEditor.MshtmlControl.DLControlFlagsChanged += new EventHandler(_mshtmlControl_DLControlFlagsChanged);
_mshtmlEditor.TranslateAccelerator += new HtmlEditDesignerEventHandler(_mshtmlEditor_TranslateAccelerator);
InitDamageServices();
// notify subclasses that the editor has been created
OnEditorCreated();
}