private void CorrectFrameLocations(IHTMLElement frameElement)
{
long x = 0;
long y = 0;
IHTMLElement element = frameElement;
do
{
x += element.offsetLeft;
y += element.offsetTop;
element = element.offsetParent;
} while (element != null);
Point elementLocation = new Point((int)x, (int)y);
IHTMLElement2 element2 = (IHTMLElement2)frameElement;
IHTMLRect rec = element2.getBoundingClientRect();
Point elementBoundingLocation = new Point(rec.left, rec.top);
LOG.DebugFormat("Looking for iframe to correct at {0}", elementBoundingLocation);
foreach (DocumentContainer foundFrame in frames)
{
Point frameLocation = foundFrame.SourceLocation;
if (frameLocation.Equals(elementBoundingLocation))
{
// Match found, correcting location
LOG.DebugFormat("Correcting frame from {0} to {1}", frameLocation, elementLocation);
foundFrame.SourceLocation = elementLocation;
foundFrame.DestinationLocation = elementLocation;
}
else
{
LOG.DebugFormat("{0} != {1}", frameLocation, elementBoundingLocation);
}
}
}
/// <summary>
/// Create a CaptureElement for every element on the page, which can be used by the editor.
/// </summary>
/// <returns></returns>
public CaptureElement CreateCaptureElements(Size documentSize)
{
LOG.DebugFormat("CreateCaptureElements for {0}", Name);
IHTMLElement baseElement = document3.documentElement as IHTMLElement;
IHTMLElement2 baseElement2 = baseElement as IHTMLElement2;
IHTMLRect htmlRect = baseElement2.getBoundingClientRect();
if (Size.Empty.Equals(documentSize))
{
documentSize = new Size(ScrollWidth, ScrollHeight);
}
Rectangle baseElementBounds = new Rectangle(DestinationLocation.X + htmlRect.left, DestinationLocation.Y + htmlRect.top, documentSize.Width, documentSize.Height);
if (baseElementBounds.Width <= 0 || baseElementBounds.Height <= 0)
{
// not visisble
return(null);
}
CaptureElement captureBaseElement = new CaptureElement(name, baseElementBounds);
foreach (IHTMLElement bodyElement in baseElement.children)
{
if ("BODY".Equals(bodyElement.tagName))
{
captureBaseElement.Children.AddRange(RecurseElements(bodyElement));
}
}
return(captureBaseElement);
}
/// <summary>
/// Recurse into the document tree
/// </summary>
/// <param name="parentElement">IHTMLElement we want to recurse into</param>
/// <returns>List of ICaptureElements with child elements</returns>
private List <ICaptureElement> RecurseElements(IHTMLElement parentElement)
{
List <ICaptureElement> childElements = new List <ICaptureElement>();
foreach (IHTMLElement element in parentElement.children)
{
string tagName = element.tagName;
// Skip elements we aren't interested in
if (!CAPTURE_TAGS.Contains(tagName))
{
continue;
}
ICaptureElement captureElement = new CaptureElement(tagName);
captureElement.Children.AddRange(RecurseElements(element));
// Get Bounds
IHTMLElement2 element2 = element as IHTMLElement2;
IHTMLRect htmlRect = element2.getBoundingClientRect();
int left = htmlRect.left;
int top = htmlRect.top;
int right = htmlRect.right;
int bottom = htmlRect.bottom;
// Offset
left += DestinationLocation.X;
top += DestinationLocation.Y;
right += DestinationLocation.X;
bottom += DestinationLocation.Y;
// Fit to floating children
foreach (ICaptureElement childElement in captureElement.Children)
{
//left = Math.Min(left, childElement.Bounds.Left);
//top = Math.Min(top, childElement.Bounds.Top);
right = Math.Max(right, childElement.Bounds.Right);
bottom = Math.Max(bottom, childElement.Bounds.Bottom);
}
Rectangle bounds = new Rectangle(left, top, right - left, bottom - top);
if (bounds.Width > 0 && bounds.Height > 0)
{
captureElement.Bounds = bounds;
childElements.Add(captureElement);
}
}
return(childElements);
}
public void OverNew(HtmlElement h)
{
IHTMLRect location = HtmlHelp.GetLocation(h);
Random random = new Random();
int num = random.Next(location.left, location.right);
int num2 = random.Next(location.top, location.bottom);
IntPtr handle = this.webBrowser.Handle;
StringBuilder lpClassName = new StringBuilder(100);
while (lpClassName.ToString() != "Internet Explorer_Server")
{
handle = Win32API.GetWindow(handle, 5);
Win32API.GetClassName(handle, lpClassName, lpClassName.Capacity);
}
IntPtr lParam = (IntPtr)((num2 << 0x10) | num);
IntPtr zero = IntPtr.Zero;
Win32API.SendMessage(handle, 0x2a1, zero, lParam);
}
// System drawing point leveraged to get coordinates
// using System.Drawing and mshtml
/// <summary>
/// Method to get Grid Coordinates of an element
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public System.Drawing.Point GetScreenPoint(IEElement element)
{
IHTMLElement nativeElement = element.AsHtmlElement;
IHTMLElement2 offsetElement = (IHTMLElement2)nativeElement;
IHTMLRect clientRect = offsetElement.getBoundingClientRect();
IHTMLDocument2 doc = (IHTMLDocument2)nativeElement.document;
IHTMLWindow3 window = (IHTMLWindow3)doc.parentWindow;
int windowLeft = window.screenLeft;
int windowTop = window.screenTop;
int elementLeft = clientRect.left;
int elementTop = clientRect.top;
int width = nativeElement.offsetWidth;
int height = nativeElement.offsetHeight;
int clickX = windowLeft + elementLeft + (width / 2);
int clickY = windowTop + elementTop + (height / 2);
return(new System.Drawing.Point(clickX, clickY));
}
/// <summary>
/// 得到元素的位置
/// </summary>
/// <param name="elem">元素</param>
/// <returns></returns>
public static Rectangle GetElementRect(IHTMLElement body, IHTMLElement elem)
{
int x, y, w, h;
x = y = w = h = 0;
// 计算元素本身的位置
IHTMLElement2 elem2 = elem as IHTMLElement2;
IHTMLRect elemRect = elem2.getBoundingClientRect();
x = elemRect.left;
y = elemRect.top;
w = elemRect.right - elemRect.left;
h = elemRect.bottom - elemRect.top;
// TODO: 计算顶端htmlElem(docElem)的位置，一般不用计算，其位置应该为（0,0，xx，xx）
// 计算父亲iframes
if (body.document != elem.document)
{
List <IHTMLDOMNode> frames = new List <IHTMLDOMNode>();
_getEleParentFrames(body as IHTMLDOMNode, elem as IHTMLDOMNode, frames);
foreach (IHTMLDOMNode f in frames)
{
IHTMLElement2 frame2 = f as IHTMLElement2;
IHTMLRect frameRect = frame2.getBoundingClientRect();
x += frameRect.left;
y += frameRect.top;
}
}
Rectangle ret = new Rectangle();
ret.X = x;
ret.Y = y;
ret.Width = w;
ret.Height = h;
return(ret);
}
public static Rectangle GetElementRect(mshtml.IHTMLElement body, mshtml.IHTMLElement elem)
{
int top;
int num3;
int num4;
int left = top = num3 = num4 = 0;
mshtml.IHTMLElement2 element = elem as mshtml.IHTMLElement2;
IHTMLRect o = element.getBoundingClientRect();
elem = element as mshtml.IHTMLElement;
left = o.left;
top = o.top;
num3 = o.right - o.left;
num4 = o.bottom - o.top;
if (body.document != elem.document)
{
List <mshtml.IHTMLDOMNode> frames = new List <mshtml.IHTMLDOMNode>();
GetEleParentFrames(body as mshtml.IHTMLDOMNode, elem as mshtml.IHTMLDOMNode, frames);
foreach (mshtml.IHTMLDOMNode node in frames)
{
IHTMLRect rect2 = (node as mshtml.IHTMLElement2).getBoundingClientRect();
left += rect2.left;
top += rect2.top;
}
}
Rectangle rectangle = new Rectangle {
X = left,
Y = top,
Width = num3,
Height = num4
};
if (o != null)
{
Marshal.ReleaseComObject(o);
}
return(rectangle);
}
internal ClientRect(ScriptContext context, IHTMLRect comObject) : base(context, (Object)comObject)
{
}
public ElementProperty(FramedElement fe) {
bboxRect = (fe.e as IHTMLElement2).getBoundingClientRect();
this.fe = fe;
}
