Change barcode scanner to work similar to the iOS and Android version…

…s. In plugin.xml added reference to ZXing.Net so it is refered as plugin is installed. Similar to other platforms' versions, there is a focus area - only this area is scanned for barcodes.

Signed-off-by: Nadya Atanasova <nadya.it@gmail.com>

plugin.xml

@@ -38,31 +38,24 @@
         <framework src="QuartzCore.framework" />
     </platform>
 
-	<platform name="wp7">
-		<config-file target="config.xml" parent="/*">
+	<!-- wp8 -->
+    <platform name="wp8">
+        <config-file target="config.xml" parent="/*">
             <feature name="BarcodeScanner">
                 <param name="wp-package" value="BarcodeScanner"/>
             </feature>
         </config-file>
-
-		<source-file src="src/wp/BarcodeScanner.cs" />	
-		<source-file src="src/wp/BarcodeScannerResult.cs" />	
-		<source-file src="src/wp/Scan.xaml.cs" />	
-		<source-file src="src/wp/Scan.xaml" />	
-	</platform>
-
-	<platform name="wp8">
-		<config-file target="config.xml" parent="/*">
-            <feature name="BarcodeScanner">
-                <param name="wp-package" value="BarcodeScanner"/>
-            </feature>
+
+        <config-file target="Properties/WMAppManifest.xml" parent="/Deployment/App/Capabilities">
+            <Capability Name="ID_CAP_ISV_CAMERA" />
         </config-file>
-
-		<source-file src="src/wp/BarcodeScanner.cs" />	
-		<source-file src="src/wp/BarcodeScannerResult.cs" />	
-		<source-file src="src/wp/Scan.xaml.cs" />	
-		<source-file src="src/wp/Scan.xaml" />	
-	</platform>
+
+        <source-file src="src/wp8/BarcodeScanner.cs" />
+		<source-file src="src/wp8/BarcodeScannerResult.cs" />
+		<source-file src="src/wp8/Scan.xaml" />
+		<source-file src="src/wp8/Scan.xaml.cs" />
+		<source-file src="src/wp8/zxing.wp8.0.dll" />
+    </platform>
 
     <!-- android -->
     <platform name="android">

src/wp8/BarcodeScanner.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Windows;
+using System.Windows.Navigation;
+using BarcodeScanner;
+using Microsoft.Phone.Controls;
+using WPCordovaClassLib.Cordova;
+using WPCordovaClassLib.Cordova.Commands;
+using WPCordovaClassLib.Cordova.JSON;
+
+namespace Cordova.Extension.Commands
+{
+	public class BarcodeScanner : BaseCommand
+	{
+		private PhoneApplicationFrame currentRootVisual;
+		private PhoneApplicationFrame CurrentRootVisual
+		{
+			get
+			{
+				if (this.currentRootVisual == null)
+				{
+					this.currentRootVisual = (PhoneApplicationFrame)Application.Current.RootVisual;
+					this.currentRootVisual.Navigated += this.OnFrameNavigated;
+				}
+				return this.currentRootVisual;
+			}
+		}
+
+		public void scan(string options)
+		{
+			Deployment.Current.Dispatcher.BeginInvoke(() =>
+			{
+				this.CurrentRootVisual.Navigate(new Uri("/Plugins/com.phonegap.plugins.barcodescanner/Scan.xaml", UriKind.Relative));
+			});
+		}
+
+		public void OnScanFailed(string error)
+		{
+			this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, error));
+		}
+
+		public void OnScanSucceeded(BarcodeScannerResult scanResult)
+		{
+			var resultString = JsonHelper.Serialize(scanResult);
+			this.DispatchCommandResult(new PluginResult(PluginResult.Status.OK, resultString));
+		}
+
+		private void OnFrameNavigated(object sender, NavigationEventArgs e)
+		{
+			var scanPage = e.Content as Scan;
+			if (scanPage != null)
+			{
+				scanPage.BarcodeScannerPlugin = this;
+			}
+		}
+	}
+}

src/wp8/BarcodeScannerResult.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Linq;
+using System.Runtime.Serialization;
+
+namespace BarcodeScanner
+{
+	[DataContract]
+	public class BarcodeScannerResult
+	{
+		[DataMember(Name = "format")]
+		public string Format { get; set; }
+
+		[DataMember(Name = "text")]
+		public string Text { get; set; }
+	}
+}