From 207b6cff269dde0c52e42caf5602a33d5c4e2bb5 Mon Sep 17 00:00:00 2001
From: Chiachang Wang <chiachangwang@google.com>
Date: Thu, 9 Jan 2020 13:50:55 +0800
Subject: Support reevaluation request from captive portal app

CaptivePortalLogin use similar way to validate the network as
NetworkMonitor. Provide API to reuse NetworkMonitor facilities
for consistent captive portal detection.

Bug: 134892996
Test: atest FrameworksNetTests NetworkStackTests NetworkStackNextTests
Test: manually test with captive portal Wi-Fi
Test: make system-api-stubs-docs-update-current-api \
      test-api-stubs-docs-update-current-api
Change-Id: I6f039eae7ceb18eb6c3cf15587cdc27a7fe35b00
---
 core/java/android/net/CaptivePortal.java  | 25 +++++++++++++++++++++++++
 core/java/android/net/ICaptivePortal.aidl |  1 +
 2 files changed, 26 insertions(+)

(limited to 'core/java/android')

diff --git a/core/java/android/net/CaptivePortal.java b/core/java/android/net/CaptivePortal.java
index a66fcae7d4a2..fb35b4bde303 100644
--- a/core/java/android/net/CaptivePortal.java
+++ b/core/java/android/net/CaptivePortal.java
@@ -60,6 +60,18 @@ public class CaptivePortal implements Parcelable {
     @SystemApi
     @TestApi
     public static final int APP_RETURN_WANTED_AS_IS = 2;
+    /** Event offset of request codes from captive portal application. */
+    private static final int APP_REQUEST_BASE = 100;
+    /**
+     * Request code from the captive portal application, indicating that the network condition may
+     * have changed and the network should be re-validated.
+     * @see ICaptivePortal#appRequest(int)
+     * @see android.net.INetworkMonitor#forceReevaluation(int)
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    public static final int APP_REQUEST_REEVALUATION_REQUIRED = APP_REQUEST_BASE + 0;
 
     private final IBinder mBinder;
 
@@ -135,6 +147,19 @@ public class CaptivePortal implements Parcelable {
         }
     }
 
+    /**
+     * Request that the system reevaluates the captive portal status.
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    public void reevaluateNetwork() {
+        try {
+            ICaptivePortal.Stub.asInterface(mBinder).appRequest(APP_REQUEST_REEVALUATION_REQUIRED);
+        } catch (RemoteException e) {
+        }
+    }
+
     /**
      * Log a captive portal login event.
      * @param eventId one of the CAPTIVE_PORTAL_LOGIN_* constants in metrics_constants.proto.
diff --git a/core/java/android/net/ICaptivePortal.aidl b/core/java/android/net/ICaptivePortal.aidl
index 707b4f699873..fe21905c7002 100644
--- a/core/java/android/net/ICaptivePortal.aidl
+++ b/core/java/android/net/ICaptivePortal.aidl
@@ -21,6 +21,7 @@ package android.net;
  * @hide
  */
 oneway interface ICaptivePortal {
+    void appRequest(int request);
     void appResponse(int response);
     void logEvent(int eventId, String packageName);
 }
-- 
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