ONA: Track screen state in WifiNotificationController.

The Open Networks Available notification should not be shown when the
screen is off.

Bug: 38460614
Bug: 37357441
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: I445f95a624009f492c3abd8a9f815706e221ea44

2 files changed, 42 insertions, 0 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
index 11e220e7f..bdb6b14ed 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
@@ -679,6 +679,20 @@ public class WifiConnectivityManagerTest {
     }
 
     /**
+     * Verify that the ONA controller tracks screen state changes.
+     */
+    @Test
+    public void openNetworkNotificationControllerTracksScreenStateChanges() {
+        mWifiConnectivityManager.handleScreenStateChanged(false);
+
+        verify(mWifiNotificationController).handleScreenStateChanged(false);
+
+        mWifiConnectivityManager.handleScreenStateChanged(true);
+
+        verify(mWifiNotificationController).handleScreenStateChanged(true);
+    }
+
+    /**
      *  Verify that scan interval for screen on and wifi disconnected scenario
      *  is in the exponential backoff fashion.
      *
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiNotificationControllerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiNotificationControllerTest.java
index 9aa5ee938..27055a885 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiNotificationControllerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiNotificationControllerTest.java
@@ -70,6 +70,7 @@ public class WifiNotificationControllerTest {
         mNotificationController = new WifiNotificationController(
                 mContext, mock_looper.getLooper(), mFrameworkFacade,
                 mock(Notification.Builder.class));
+        mNotificationController.handleScreenStateChanged(true);
     }
 
     private List<ScanDetail> createOpenScanResults() {
@@ -114,6 +115,21 @@ public class WifiNotificationControllerTest {
 
         verify(mNotificationManager).cancelAsUser(any(), anyInt(), any());
     }
+    /**
+     * When a notification is showing, screen is off, and scan results with no open networks are
+     * handled, the notification is cleared.
+     */
+    @Test
+    public void handleScanResults_notificationShown_screenOff_emptyList_notificationCleared() {
+        mNotificationController.handleScanResults(createOpenScanResults());
+
+        verify(mNotificationManager).notifyAsUser(any(), anyInt(), any(), any());
+
+        mNotificationController.handleScreenStateChanged(false);
+        mNotificationController.handleScanResults(new ArrayList<>());
+
+        verify(mNotificationManager).cancelAsUser(any(), anyInt(), any());
+    }
 
     /**
      * If notification is showing, do not post another notification.
@@ -152,6 +168,18 @@ public class WifiNotificationControllerTest {
         verify(mNotificationManager, never()).cancelAsUser(any(), anyInt(), any());
     }
 
+    /**
+     * When screen is off and notification is not displayed, notification is not posted on handling
+     * new scan results with open networks.
+     */
+    @Test
+    public void screenOff_handleScanResults_notificationNotDisplayed() {
+        mNotificationController.handleScreenStateChanged(false);
+        mNotificationController.handleScanResults(createOpenScanResults());
+
+        verify(mNotificationManager, never()).notifyAsUser(any(), anyInt(), any(), any());
+    }
+
     /** Verifies that {@link UserManager#DISALLOW_CONFIG_WIFI} disables the feature. */
     @Test
     public void userHasDisallowConfigWifiRestriction_notificationNotDisplayed() {