From 4008102c04a8e4813f9f4af6905bfa66cf68c77a Mon Sep 17 00:00:00 2001
From: pixhawk <tv@.(none)>
Date: Sat, 19 Feb 2011 19:06:24 +0100
Subject: [PATCH] Improved windows google earth support. Very close to full
 closed loop.

---
 images/earth.html                  |  4 +-
 src/ui/map3D/QGCGoogleEarthView.cc | 76 ++++++++++++++++++++++++++++++--------
 2 files changed, 63 insertions(+), 17 deletions(-)

diff --git a/images/earth.html b/images/earth.html
index a5056ed..c5c675a 100644
--- a/images/earth.html
+++ b/images/earth.html
@@ -447,7 +447,7 @@ function initCallback(object)
     ge.getLayerRoot().enableLayerById(ge.LAYER_TREES, true);
     
     enableEventListener();
-
+	document.getElementById('JScript_initialized').setAttribute('value','true')
     initialized = true;
 }
 
@@ -602,5 +602,7 @@ function failureCallback(object)
     <center>
       <div id='map3d' style='margin: 0; spacing: 0; height: 100%; width: 100%'></div>
     </center>
+	<input type="hidden" id="JScript_initialized" value="false"/>
+    <input type="hidden" id="JScript_dragWaypointIndex" value="581" />
   </body>
 </html>
diff --git a/src/ui/map3D/QGCGoogleEarthView.cc b/src/ui/map3D/QGCGoogleEarthView.cc
index c481394..9e2af28 100644
--- a/src/ui/map3D/QGCGoogleEarthView.cc
+++ b/src/ui/map3D/QGCGoogleEarthView.cc
@@ -19,6 +19,8 @@
 #include <QAxObject>
 #include <QUuid>
 #include <mshtml.h>
+#include <comdef.h>
+#include <qaxtypes.h>
 #endif
 
 #include "QGC.h"
@@ -443,22 +445,64 @@ QVariant QGCGoogleEarthView::documentElement(QString name)
     }
     else
     {
-        QVariantList params;
-        QString javaScript("getGlobal(%1)");
-        params.append(javaScript.arg(name));
-        params.append("JScript");
-        QVariant result = jScriptWin->dynamicCall("execScript(QString, QString)", params);
-        qDebug() << "JScript result: " << result << result.toDouble();
-//		if (documentWin)
-//		{
-//			// Get HTMLElement object
-//			QVariantList params;
-//			params.append(name);
-//			//QAxObject* elementWin = documentWin->dynamicCall("getElementById(QString)", params);
-//			QVariant result =documentWin->dynamicCall("toString()");
-//			qDebug() << "GOT RESULT" << result;
-//			return QVariant(0);//QVariant(result);
-//		}
+//        QVariantList params;
+//        QString javaScript("getGlobal(%1)");
+//       params.append(javaScript.arg(name));
+//        params.append("JScript");
+//        QVariant result = jScriptWin->dynamicCall("execScript(QString, QString)", params);
+//        qDebug() << "JScript result: " << result << result.toDouble();
+		if (documentWin)
+		{
+			QString resultString;
+
+			// Get HTMLElement object
+			QVariantList params;
+			IHTMLDocument3* doc;
+			documentWin->queryInterface( IID_IHTMLDocument3, (void**)&doc);
+			params.append(name);
+			IHTMLElement* element = NULL;
+
+			HRESULT res = doc->getElementById(L"JScript_dragWaypointIndex", &element);
+			//BSTR elemString;
+			if (element)
+			{
+				//element->get_innerHTML(&elemString);
+				VARIANT value;
+				element->getAttribute(L"value", 0, &value);
+				QVariant qtValue;
+				bool success = QVariantToVARIANT(qtValue, value);
+				qDebug() << "Convert MS VARIANT to QVariant:" << success;
+				if (success)
+				{
+					qDebug() << "initialized is:"<< qtValue.toInt();
+					return qtValue;
+				}
+
+			//element->toString(&elemString);
+
+			//_bstr_t bstrHello(elemString, true); // passing true means
+                                    // you should not call
+                                    // SysFreeString
+
+			//qDebug() << "BSTR:" << LPCSTR(bstrHello);
+
+			//QAxObject* elementWin = new QAxObject(element, documentWin);
+			//if (elementWin)
+			//{
+			//	QVariant result = elementWin->dynamicCall("toString()");
+			//	qDebug() << "GOT RESULT" << result << result.toString();
+			//}
+			//else
+			//{
+			//	qDebug() << "CREATING HTML ELEMENT FAILED";
+			//}
+			}
+			else
+			{
+				qDebug() << "DID NOT GET HTML ELEMENT";
+			}
+			return QVariant(0);//QVariant(result);
+		}
     }
 #endif
 }