notify android when select spinner is opened/closed (fix for #255)

mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java

@@ -5,6 +5,7 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
+import android.util.Log;
 import android.webkit.JavascriptInterface;
 import android.widget.Toast;
 
@@ -28,6 +29,14 @@ public class IITC_JSInterface {
         context.startActivity(intent);
     }
 
+    // disable javascript injection while spinner is enabled
+    // prevent the spinner from closing automatically
+    @JavascriptInterface
+    public void spinnerEnabled(boolean en) {
+        Log.d("iitcm", "disableJS? " + en);
+        ((IITC_Mobile) context).getWebView().disableJS(en);
+    }
+
     // copy link to specific portal to android clipboard
     @JavascriptInterface
     public void copy(String s) {

mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java

@@ -356,4 +356,8 @@ public class IITC_Mobile extends Activity {
         attrs.flags ^= WindowManager.LayoutParams.FLAG_FULLSCREEN;
         this.getWindow().setAttributes(attrs);
     }
+
+    public IITC_WebView getWebView() {
+        return this.iitc_view;
+    }
 }

mobile/src/com/cradle/iitc_mobile/IITC_WebView.java

@@ -19,6 +19,7 @@ public class IITC_WebView extends WebView {
     private WebSettings settings;
     private IITC_WebViewClient webclient;
     private IITC_JSInterface js_interface;
+    private boolean disableJS = false;
 
     // init web view
     private void iitc_init(Context c) {
@@ -85,6 +86,11 @@ public class IITC_WebView extends WebView {
                 return;
             }
         }
+        // do nothing if script is enabled;
+        if (this.disableJS == true) {
+            Log.d("iitcm", "javascript injection disabled...return");
+            return;
+        }
         if (!url.startsWith("javascript:")) {
             // force https if enabled in settings
             SharedPreferences sharedPref = PreferenceManager
@@ -123,4 +129,8 @@ public class IITC_WebView extends WebView {
         return wifi.getState() == NetworkInfo.State.CONNECTED;
     }
 
+    public void disableJS(boolean val) {
+        this.disableJS = val;
+    }
+
 }