using System;

using OpenNETCF.Web.UI;

using OpenNETCF.Web.Html;

using OpenNETCF.Web.Html.Meta;

using OpenNETCF.Peripherals;

using System.Drawing;

using System.IO;

using System.Net;

using System.Xml;

using System.Reflection;

namespace SampleSite

{

public class CameraDemo : Page

{

private const string TEMP_STORAGE_FOLDER = "temp";

private const string TEMP_FILE_NAME = "camera.png";

private const string CONFIG_FILE_NAME = "CameraConfig.xml";

private const string CLASS_NAME = "CAMERA_DEMO";

private static string m_cameraType;

private static string m_cameraIP;

private static string m_cameraUID;

private static string m_cameraPWD;

private static bool m_cameraExists = false;

internal static ICamera Camera;

private static string m_cameraError = "No camera has been cofigured for this server";

static CameraDemo()

{

// we'll assume that if a camera config file exists, then the camera exists

string folder = Path.Combine(OpenNETCF.Web.Server.WebServer.PhysicalPath, "bin");

string filename = Path.Combine(folder, CONFIG_FILE_NAME);

if (File.Exists(filename))

{

try

{

XmlDocument doc = new XmlDocument();

doc.Load(filename);

XmlNode node = doc.FirstChild.NextSibling;

if (string.Compare(node.Name, "camera") == 0)

{

XmlAttribute attrib = node.Attributes["ip"];

if (attrib == null) return;

m_cameraIP = attrib.Value;

attrib = node.Attributes["uid"];

m_cameraUID = (attrib == null) ? null : attrib.Value;

attrib = node.Attributes["pwd"];

m_cameraPWD = (attrib == null) ? null : attrib.Value;

attrib = node.Attributes["type"];

if (attrib == null) return;

m_cameraType = attrib.Value;

m_cameraExists = true;

}

catch

{

// if we have a failure, we simply don't config the camera

}

protected override void Page_Load(object sender, EventArgs e)

{

int et = Environment.TickCount;

// create a document

Document doc = new Document();

// add a doc header

DocumentHead head = new DocumentHead("Padarn Camera Demo", new StyleInfo("css/SampleSite.css"));

doc.Head = head;

// tell the client browser not to cache

Response.Cache.SetNoStore();

Utility.AddPadarnHeaderToDocument(doc, true, "CameraDemo");

Div cameraIP = new Div();

cameraIP.Add(new RawText(string.Format("Camera is at address: {0}", m_cameraIP)));

doc.Body.Add(cameraIP);

// create the camera control

Assembly asm = Assembly.Load("OpenNETCF.Peripherals.Camera");

Camera = (ICamera)asm.CreateInstance("OpenNETCF.Peripherals.Camera.DCS900");

Camera.Initialize(IPAddress.Parse(m_cameraIP), m_cameraUID, m_cameraPWD);

if (Camera.SupportsPanTilt)

{

ShowPanAndTiltPage(doc);

}

else

{

ShowStationaryPage(doc);

}

#region --- load time ---

et = Environment.TickCount - et;

Paragraph loadTimeParagraph = new Paragraph(string.Format("Page loaded in {0:0.000} sec", (float)((float)et / 1000f)));

// some elements allow setting element-specific styles

loadTimeParagraph.Styles.Add(new ElementStyle("font-size", "10px"));

loadTimeParagraph.Styles.Add(new ElementStyle("text-align", "left"));

doc.Body.Elements.Add(loadTimeParagraph);

#endregion

Response.Write(doc.OuterHtml);

Response.Flush();

}

private void ShowPanAndTiltPage(Document doc)

{

string folder = Path.Combine(OpenNETCF.Web.Server.WebServer.PhysicalPath, TEMP_STORAGE_FOLDER);

string filename = Path.Combine(TEMP_STORAGE_FOLDER, TEMP_FILE_NAME);

#region --- camera control box ---

// create the camera control buttons

Div controlDiv = new Div("controls", CLASS_NAME);

Table controlTable = new Table(CLASS_NAME, null, Align.Center);

// note that all of the FORMs are necessary for IE (tested on IE7).

// Firefox correctly handles multiple submits with the same name, but IE doesn't

Row row = new Row();

row.Cells.Add(new Cell(SpecialCharacters.Space));

Form form = new Form("CameraDemo.aspx", FormMethod.Get);

form.Elements.Add(new Button(new ButtonInfo(ButtonType.Submit, "UP", "CONTROL", "UP", null)));