internal WebBrowserSiteBase(WebBrowserBase h)
{
if (h == null)
{
throw new ArgumentNullException("h");
}
this.host = h;
}
internal static WebBrowserContainer FindContainerForControl(WebBrowserBase ctl)
{
if (ctl != null)
{
if (ctl.container != null)
{
return ctl.container;
}
if (ctl.ContainingControl != null)
{
WebBrowserContainer container = ctl.CreateWebBrowserContainer();
if (container.RegisterControl(ctl))
{
container.AddControl(ctl);
return container;
}
}
}
return null;
}
internal static WebBrowserContainer FindContainerForControl(WebBrowserBase ctl)
{
if (ctl != null)
{
if (ctl.container != null)
{
return(ctl.container);
}
ScrollableControl f = ctl.ContainingControl;
if (f != null)
{
WebBrowserContainer container = ctl.CreateWebBrowserContainer();
if (container.RegisterControl(ctl))
{
container.AddControl(ctl);
return(container);
}
}
}
return(null);
}
void UnsafeNativeMethods.IPropertyNotifySink.OnChanged(int dispid)
{
if (this.Host.NoComponentChangeEvents == 0)
{
WebBrowserBase host = this.Host;
host.NoComponentChangeEvents++;
try
{
this.OnPropertyChanged(dispid);
}
catch (Exception)
{
throw;
}
finally
{
WebBrowserBase base2 = this.Host;
base2.NoComponentChangeEvents--;
}
}
}
private bool RegisterControl(WebBrowserBase ctl)
{
ISite site = ctl.Site;
if (site != null)
{
IContainer container = site.Container;
if (container != null)
{
if (this.assocContainer != null)
{
return(container == this.assocContainer);
}
this.assocContainer = container;
IComponentChangeService service = (IComponentChangeService)site.GetService(typeof(IComponentChangeService));
if (service != null)
{
service.ComponentRemoved += new ComponentEventHandler(this.OnComponentRemoved);
}
return(true);
}
}
return(false);
}
/// <summary>
/// Returns an observable sequence wrapping the DragEnter event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the DragEnter event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <DragEventArgs> > DragEnterObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <DragEventHandler, DragEventArgs>(
handler => instance.DragEnter += handler,
handler => instance.DragEnter -= handler));
}
public void HookUp( WebBrowserBase webBrowser )
{
if ( webBrowser == null )
{
throw new ArgumentNullException( "webBrowser" );
}
IOleObject oleObject = (IOleObject)webBrowser.ActiveXInstance;
int rc = oleObject.SetClientSite( this );
if ( rc != 0 )
{
throw new COMException( ErrorMessages.UnknownComError, rc );
}
}
private bool RegisterControl(WebBrowserBase ctl) {
ISite site = ctl.Site;
if (site != null) {
IContainer cont = site.Container;
if (cont != null) {
if (assocContainer != null) {
return cont == assocContainer;
}
else {
assocContainer = cont;
IComponentChangeService ccs = (IComponentChangeService)site.GetService(typeof(IComponentChangeService));
if (ccs != null) {
ccs.ComponentRemoved += new ComponentEventHandler(this.OnComponentRemoved);
}
return true;
}
}
}
return false;
}
private bool RegisterControl(WebBrowserBase ctl)
{
ISite site = ctl.Site;
if (site != null)
{
IContainer container = site.Container;
if (container != null)
{
if (this.assocContainer != null)
{
return (container == this.assocContainer);
}
this.assocContainer = container;
IComponentChangeService service = (IComponentChangeService) site.GetService(typeof(IComponentChangeService));
if (service != null)
{
service.ComponentRemoved += new ComponentEventHandler(this.OnComponentRemoved);
}
return true;
}
}
return false;
}
internal void OnUIActivate(WebBrowserBase site)
{
if (this.siteUIActive != site)
{
if ((this.siteUIActive != null) && (this.siteUIActive != site))
{
this.siteUIActive.AXInPlaceObject.UIDeactivate();
}
site.AddSelectionHandler();
this.siteUIActive = site;
ContainerControl containingControl = site.ContainingControl;
if ((containingControl != null) && containingControl.Contains(site))
{
containingControl.SetActiveControlInternal(site);
}
}
}
internal void OnExitEditMode(WebBrowserBase ctl)
{
if (this.ctlInEditMode == ctl)
{
this.ctlInEditMode = null;
}
}
//
// The constructor takes an WebBrowserBase as a parameter, so unfortunately,
// this cannot be used as a standalone site. It has to be used in conjunction
// with WebBrowserBase. Perhaps we can change it in future.
//
internal WebBrowserSiteBase(WebBrowserBase h)
{
host = h ?? throw new ArgumentNullException(nameof(h));
}
/// <summary>
/// Returns an observable sequence wrapping the MouseDoubleClick event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the MouseDoubleClick event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <MouseEventArgs> > MouseDoubleClickObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <MouseEventHandler, MouseEventArgs>(
handler => instance.MouseDoubleClick += handler,
handler => instance.MouseDoubleClick -= handler));
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetActiveObject(UnsafeNativeMethods.IOleInPlaceActiveObject pActiveObject, string pszObjName) {
if (pActiveObject == null) {
if (ctlInEditMode != null) {
ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
ctlInEditMode = null;
}
return NativeMethods.S_OK;
}
WebBrowserBase ctl = null;
UnsafeNativeMethods.IOleObject oleObject = pActiveObject as UnsafeNativeMethods.IOleObject;
if (oleObject != null) {
UnsafeNativeMethods.IOleClientSite clientSite = null;
try {
clientSite = oleObject.GetClientSite();
WebBrowserSiteBase webBrowserSiteBase = clientSite as WebBrowserSiteBase;
if (webBrowserSiteBase != null)
{
ctl = webBrowserSiteBase.GetAXHost();
}
}
catch (COMException t) {
Debug.Fail(t.ToString());
}
if (ctlInEditMode != null) {
Debug.Fail("control " + ctlInEditMode.ToString() + " did not reset its edit mode to null");
ctlInEditMode.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Selected);
ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
}
if (ctl == null) {
ctlInEditMode = null;
}
else {
if (!ctl.IsUserMode) {
ctlInEditMode = ctl;
ctl.SetEditMode(WebBrowserHelper.AXEditMode.Object);
ctl.AddSelectionHandler();
ctl.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Active);
}
}
}
return NativeMethods.S_OK;
}
internal void OnExitEditMode(WebBrowserBase ctl) {
Debug.Assert(ctlInEditMode == null || ctlInEditMode == ctl, "who is exiting edit mode?");
if (ctlInEditMode == ctl) {
ctlInEditMode = null;
}
}
internal void OnInPlaceDeactivate(WebBrowserBase site) {
if (siteActive == site) {
siteActive = null;
ContainerControl parentContainer = parent.FindContainerControlInternal();
if (parentContainer != null) {
parentContainer.SetActiveControlInternal(null);
}
}
}
internal void OnUIDeactivate(WebBrowserBase site) {
#if DEBUG
if (siteUIActive != null) {
Debug.Assert(siteUIActive == site, "deactivating when not active...");
}
#endif // DEBUG
siteUIActive = null;
site.RemoveSelectionHandler();
site.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Selected);
site.SetEditMode(WebBrowserHelper.AXEditMode.None);
}
internal void OnUIActivate(WebBrowserBase 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 && siteUIActive != site) {
WebBrowserBase tempSite = siteUIActive;
tempSite.AXInPlaceObject.UIDeactivate();
}
site.AddSelectionHandler();
Debug.Assert(siteUIActive == null, "Object did not call OnUIDeactivate");
siteUIActive = site;
ContainerControl f = site.ContainingControl;
if (f != null && f.Contains(site)) {
f.SetActiveControlInternal(site);
}
}
public WebBrowserBaseNativeWindow(WebBrowserBase ax)
{
WebBrowserBase = ax;
}
/// <summary>
/// Returns an observable sequence wrapping the GiveFeedback event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the GiveFeedback event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <GiveFeedbackEventArgs> > GiveFeedbackObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <GiveFeedbackEventHandler, GiveFeedbackEventArgs>(
handler => instance.GiveFeedback += handler,
handler => instance.GiveFeedback -= handler));
}
/// <summary>
/// Returns an observable sequence wrapping the BackColorChanged event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the BackColorChanged event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <EventArgs> > BackColorChangedObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <EventHandler, EventArgs>(
handler => instance.BackColorChanged += handler,
handler => instance.BackColorChanged -= handler));
}
/// <summary>
/// Returns an observable sequence wrapping the HelpRequested event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the HelpRequested event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <HelpEventArgs> > HelpRequestedObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <HelpEventHandler, HelpEventArgs>(
handler => instance.HelpRequested += handler,
handler => instance.HelpRequested -= handler));
}
internal WebBrowserContainer(WebBrowserBase parent)
{
this.parent = parent;
}
/// <summary>
/// Returns an observable sequence wrapping the Paint event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the Paint event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <PaintEventArgs> > PaintObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <PaintEventHandler, PaintEventArgs>(
handler => instance.Paint += handler,
handler => instance.Paint -= handler));
}
internal void OnInPlaceDeactivate(WebBrowserBase site)
{
if (this.siteActive == site)
{
this.siteActive = null;
ContainerControl control = this.parent.FindContainerControlInternal();
if (control != null)
{
control.SetActiveControlInternal(null);
}
}
}
/// <summary>
/// Returns an observable sequence wrapping the QueryContinueDrag event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the QueryContinueDrag event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <QueryContinueDragEventArgs> > QueryContinueDragObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <QueryContinueDragEventHandler, QueryContinueDragEventArgs>(
handler => instance.QueryContinueDrag += handler,
handler => instance.QueryContinueDrag -= handler));
}
internal void OnUIDeactivate(WebBrowserBase site)
{
this.siteUIActive = null;
site.RemoveSelectionHandler();
site.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Selected);
site.SetEditMode(WebBrowserHelper.AXEditMode.None);
}
/// <summary>
/// Returns an observable sequence wrapping the QueryAccessibilityHelp event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the QueryAccessibilityHelp event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <QueryAccessibilityHelpEventArgs> > QueryAccessibilityHelpObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <QueryAccessibilityHelpEventHandler, QueryAccessibilityHelpEventArgs>(
handler => instance.QueryAccessibilityHelp += handler,
handler => instance.QueryAccessibilityHelp -= handler));
}
int UnsafeNativeMethods.IOleInPlaceFrame.SetActiveObject(UnsafeNativeMethods.IOleInPlaceActiveObject pActiveObject, string pszObjName)
{
if (pActiveObject == null)
{
if (this.ctlInEditMode != null)
{
this.ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
this.ctlInEditMode = null;
}
return 0;
}
WebBrowserBase aXHost = null;
UnsafeNativeMethods.IOleObject obj2 = pActiveObject as UnsafeNativeMethods.IOleObject;
if (obj2 != null)
{
try
{
WebBrowserSiteBase clientSite = obj2.GetClientSite() as WebBrowserSiteBase;
if (clientSite != null)
{
aXHost = clientSite.GetAXHost();
}
}
catch (COMException)
{
}
if (this.ctlInEditMode != null)
{
this.ctlInEditMode.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Selected);
this.ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
}
if (aXHost == null)
{
this.ctlInEditMode = null;
}
else if (!aXHost.IsUserMode)
{
this.ctlInEditMode = aXHost;
aXHost.SetEditMode(WebBrowserHelper.AXEditMode.Object);
aXHost.AddSelectionHandler();
aXHost.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Active);
}
}
return 0;
}
/// <summary>
/// Returns an observable sequence wrapping the KeyUp event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the KeyUp event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <KeyEventArgs> > KeyUpObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <KeyEventHandler, KeyEventArgs>(
handler => instance.KeyUp += handler,
handler => instance.KeyUp -= handler));
}
internal WebBrowserSiteBase(WebBrowserBase h)
{
host = h.OrThrowIfNull();
}
/// <summary>
/// Returns an observable sequence wrapping the Layout event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the Layout event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <LayoutEventArgs> > LayoutObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <LayoutEventHandler, LayoutEventArgs>(
handler => instance.Layout += handler,
handler => instance.Layout -= handler));
}
public WebBrowserBaseNativeWindow(WebBrowserBase ax) {
this.WebBrowserBase = ax;
}
/// <summary>
/// Returns an observable sequence wrapping the Leave event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the Leave event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <EventArgs> > LeaveObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <EventHandler, EventArgs>(
handler => instance.Leave += handler,
handler => instance.Leave -= handler));
}
/// <summary>
/// Returns an observable sequence wrapping the MouseHover event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the MouseHover event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <EventArgs> > MouseHoverObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <EventHandler, EventArgs>(
handler => instance.MouseHover += handler,
handler => instance.MouseHover -= handler));
}
/// <summary>
/// Returns an observable sequence wrapping the ChangeUICues event on the WebBrowserBase instance.
/// </summary>
/// <param name="instance">The WebBrowserBase instance to observe.</param>
/// <returns>An observable sequence wrapping the ChangeUICues event on the WebBrowserBase instance.</returns>
public static IObservable <EventPattern <UICuesEventArgs> > ChangeUICuesObservable(this WebBrowserBase instance)
{
return(Observable.FromEventPattern <UICuesEventHandler, UICuesEventArgs>(
handler => instance.ChangeUICues += handler,
handler => instance.ChangeUICues -= handler));
}
internal WebBrowserContainer(WebBrowserBase parent)
{
this.parent = parent;
}
public override void Initialize(IComponent component)
{
base.Initialize(component);
base.AutoResizeHandles = true;
this.webBrowserBase = (WebBrowserBase) component;
}
