presentations mobile: context menu bugs

slide/Drawing/DrawingDocument.js

@@ -815,6 +815,9 @@ function CDrawingDocument()
 
 	this.OnRecalculatePage = function(index, pageObject)
 	{
+		if (this.m_oWordControl && this.m_oWordControl.MobileTouchManager)
+			this.m_oWordControl.MobileTouchManager.ClearContextMenu();
+
 		editor.sendEvent("asc_onDocumentChanged");
 
 		if (true === this.m_bIsSearching)
@@ -3884,6 +3887,9 @@ function CThumbnailsManager()
 
 		var word_control = this.m_oWordControl;
 
+		if (word_control && word_control.MobileTouchManagerThumbnails)
+			word_control.MobileTouchManagerThumbnails.ClearContextMenu();
+
 		var canvas = word_control.m_oThumbnails.HtmlElement;
 		if (null == canvas)
 			return;

slide/Drawing/mobileTouchManager.js

@@ -940,7 +940,18 @@
 	};
 	CMobileDelegateThumbnails.prototype.GetContextMenuPosition = function()
 	{
-		return { X : 0, Y : 0 };
+		var aSelected    = this.Thumbnails.GetSelectedArray();
+		var nSlideIndex  = Math.min.apply(Math, aSelected);
+		var ConvertedPos = this.Thumbnails.GetThumbnailPagePosition(nSlideIndex);
+
+		var _ret = { X : 0, Y : 0, Mode : AscCommon.MobileTouchContextMenuType.Slide };
+		if (ConvertedPos)
+		{
+			_ret.X = ConvertedPos.X;
+			_ret.Y = ConvertedPos.Y;
+		}
+
+		return _ret;
 	};
 
 	/**