Allow plugins to capture shouldInterceptRequest()

framework/src/org/apache/cordova/CordovaWebViewClient.java

@@ -38,6 +38,7 @@ import android.util.Log;
 import android.view.View;
 import android.webkit.HttpAuthHandler;
 import android.webkit.SslErrorHandler;
+import android.webkit.WebResourceResponse;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
@@ -210,6 +211,21 @@ public class CordovaWebViewClient extends WebViewClient {
         return true;
     }
 
+    /**
+     * Check for intercepting any requests for resources.
+     * This includes images and scripts and so on, not just top-level pages.
+     * @param view          The WebView.
+     * @param url           The URL to be loaded.
+     * @return              Either null to proceed as normal, or a WebResourceResponse.
+     */
+    @Override
+    public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
+    	if (this.appView.pluginManager != null) {
+            return this.appView.pluginManager.shouldInterceptRequest(url);
+        }
+        return null;
+    }
+
     /**
      * On received http auth request.
      * The method reacts on all registered authentication tokens. There is one and only one authentication token for any host + realm combination

framework/src/org/apache/cordova/api/CordovaPlugin.java

@@ -22,7 +22,12 @@ import org.apache.cordova.CordovaArgs;
 import org.apache.cordova.CordovaWebView;
 import org.json.JSONArray;
 import org.json.JSONException;
+
+import android.annotation.TargetApi;
 import android.content.Intent;
+import android.os.Build;
+import android.util.Log;
+import android.webkit.WebResourceResponse;
 
 /**
  * Plugins must extend this class and override one of the execute methods.
@@ -150,7 +155,7 @@ public class CordovaPlugin {
     }
 
     /**
-     * By specifying a <url-filter> in plugins.xml you can map a URL (using startsWith atm) to this method.
+     * By specifying a <url-filter> in config.xml you can map a URL (using startsWith atm) to this method.
      *
      * @param url				The URL that is trying to be loaded in the Cordova webview.
      * @return					Return true to prevent the URL from loading. Default is false.
@@ -159,6 +164,17 @@ public class CordovaPlugin {
         return false;
     }
 
+    /**
+     * By specifying a <url-filter> in config.xml you can map a URL prefix to this method. It applies to all resources loaded in the WebView, not just top-level navigation.
+     *
+     * @param url               The URL of the resource to be loaded.
+     * @return                  Return a WebResourceResponse for the resource, or null to let the WebView handle it normally.
+     */
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+	public WebResourceResponse shouldInterceptRequest(String url) {
+        return null;
+    }
+
     /**
      * Called when the WebView does a top-level navigation or refreshes.
      *

framework/src/org/apache/cordova/api/PluginManager.java

@@ -30,6 +30,8 @@ import org.xmlpull.v1.XmlPullParserException;
 import android.content.Intent;
 import android.content.res.XmlResourceParser;
 
+import android.webkit.WebResourceResponse;
+
 /**
  * PluginManager is exposed to JavaScript in the Cordova WebView.
  *
@@ -366,6 +368,25 @@ public class PluginManager {
         return false;
     }
 
+    /**
+     * Called when the WebView is loading any resource, top-level or not.
+     *
+     * Uses the same url-filter tag as onOverrideUrlLoading.
+     *
+     * @param url               The URL of the resource to be loaded.
+     * @return                  Return a WebResourceResponse with the resource, or null if the WebView should handle it.
+     */
+    public WebResourceResponse shouldInterceptRequest(String url) {
+        Iterator<Entry<String, String>> it = this.urlMap.entrySet().iterator();
+        while (it.hasNext()) {
+            HashMap.Entry<String, String> pairs = it.next();
+            if (url.startsWith(pairs.getKey())) {
+                return this.getPlugin(pairs.getValue()).shouldInterceptRequest(url);
+            }
+        }
+        return null;
+    }
+
     /**
      * Called when the app navigates or refreshes.
      */