Allow advanced VPN to manage connection status via its UI

Bug: 238641532
Test: atest -c VpnSettingsTest
Change-Id: Ia6f1d84bba38bab7f13f46dc8a4fdb4eb0505f8f
Merged-In: Ia6f1d84bba38bab7f13f46dc8a4fdb4eb0505f8f
diff --git a/src/com/android/settings/vpn2/AdvancedVpnFeatureProvider.java b/src/com/android/settings/vpn2/AdvancedVpnFeatureProvider.java
index cb56c35..962b6c2 100644
--- a/src/com/android/settings/vpn2/AdvancedVpnFeatureProvider.java
+++ b/src/com/android/settings/vpn2/AdvancedVpnFeatureProvider.java
@@ -47,4 +47,9 @@
      * Returns {@code true} advanced vpn is removable.
      */
     boolean isAdvancedVpnRemovable();
+
+    /**
+     * Returns {@code true} if the disconnect dialog is enabled when advanced vpn is connected.
+     */
+    boolean isDisconnectDialogEnabled();
 }
diff --git a/src/com/android/settings/vpn2/AdvancedVpnFeatureProviderImpl.java b/src/com/android/settings/vpn2/AdvancedVpnFeatureProviderImpl.java
index c5bc69c..b8f58a9 100644
--- a/src/com/android/settings/vpn2/AdvancedVpnFeatureProviderImpl.java
+++ b/src/com/android/settings/vpn2/AdvancedVpnFeatureProviderImpl.java
@@ -46,4 +46,9 @@
     public boolean isAdvancedVpnRemovable() {
         return true;
     }
+
+    @Override
+    public boolean isDisconnectDialogEnabled() {
+        return true;
+    }
 }
diff --git a/src/com/android/settings/vpn2/VpnSettings.java b/src/com/android/settings/vpn2/VpnSettings.java
index 3b875eb..a91bb6c 100644
--- a/src/com/android/settings/vpn2/VpnSettings.java
+++ b/src/com/android/settings/vpn2/VpnSettings.java
@@ -366,7 +366,7 @@
     public void setShownPreferences(final Collection<Preference> updates) {
         retainAllPreference(updates);
 
-        final PreferenceGroup vpnGroup = getPreferenceScreen();
+        final PreferenceGroup vpnGroup = mPreferenceScreen;
         updatePreferenceGroup(vpnGroup, updates);
 
         // Show all new preferences on the screen
@@ -448,14 +448,16 @@
         } else if (preference instanceof AppPreference) {
             AppPreference pref = (AppPreference) preference;
             boolean connected = (pref.getState() == AppPreference.STATE_CONNECTED);
+            String vpnPackageName = pref.getPackageName();
 
-            if (!connected) {
+            if ((!connected) || (isAdvancedVpn(mFeatureProvider, vpnPackageName, getContext())
+                    && !mFeatureProvider.isDisconnectDialogEnabled())) {
                 try {
                     UserHandle user = UserHandle.of(pref.getUserId());
-                    Context userContext = getActivity().createPackageContextAsUser(
-                            getActivity().getPackageName(), 0 /* flags */, user);
+                    Context userContext = getContext().createPackageContextAsUser(
+                            getContext().getPackageName(), 0 /* flags */, user);
                     PackageManager pm = userContext.getPackageManager();
-                    Intent appIntent = pm.getLaunchIntentForPackage(pref.getPackageName());
+                    Intent appIntent = pm.getLaunchIntentForPackage(vpnPackageName);
                     if (appIntent != null) {
                         userContext.startActivityAsUser(appIntent, user);
                         return true;
diff --git a/tests/unit/src/com/android/settings/vpn2/VpnSettingsTest.java b/tests/unit/src/com/android/settings/vpn2/VpnSettingsTest.java
index d6ba33a..953a524 100644
--- a/tests/unit/src/com/android/settings/vpn2/VpnSettingsTest.java
+++ b/tests/unit/src/com/android/settings/vpn2/VpnSettingsTest.java
@@ -21,16 +21,21 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.AppOpsManager;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.os.Looper;
 import android.os.UserHandle;
+import android.text.TextUtils;
 import android.util.ArraySet;
 
 import androidx.preference.Preference;
@@ -48,6 +53,7 @@
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
@@ -58,13 +64,18 @@
 
 @RunWith(AndroidJUnit4.class)
 public class VpnSettingsTest {
-    private static final String ADVANCED_VPN_GROUP_KEY = "advanced_vpn_group";
-    private static final String VPN_GROUP_KEY = "vpn_group";
-    private static final String ADVANCED_VPN_GROUP_TITLE = "advanced_vpn_group_title";
-    private static final String VPN_GROUP_TITLE = "vpn_group_title";
-    private static final String FAKE_PACKAGE_NAME = "com.fake.package.name";
-    private static final String ADVANCED_VPN_GROUP_PACKAGE_NAME = "com.advanced.package.name";
     private static final int USER_ID_1 = UserHandle.USER_NULL;
+    private static final String VPN_GROUP_KEY = "vpn_group";
+    private static final String VPN_GROUP_TITLE = "vpn_group_title";
+    private static final String VPN_PACKAGE_NAME = "vpn.package.name";
+    private static final String VPN_LAUNCH_INTENT = "vpn.action";
+    private static final String ADVANCED_VPN_GROUP_KEY = "advanced_vpn_group";
+    private static final String ADVANCED_VPN_GROUP_TITLE = "advanced_vpn_group_title";
+    private static final String ADVANCED_VPN_PACKAGE_NAME = "advanced.vpn.package.name";
+    private static final String ADVANCED_VPN_LAUNCH_INTENT = "advanced.vpn.action";
+
+    private final Intent mVpnIntent = new Intent().setAction(VPN_LAUNCH_INTENT);
+    private final Intent mAdvancedVpnIntent = new Intent().setAction(ADVANCED_VPN_LAUNCH_INTENT);
 
     @Rule
     public final MockitoRule mMockitoRule = MockitoJUnit.rule();
@@ -108,7 +119,7 @@
         when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.getVpnPreferenceGroupTitle(mContext))
                 .thenReturn(VPN_GROUP_TITLE);
         when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.getAdvancedVpnPackageName())
-                .thenReturn(ADVANCED_VPN_GROUP_PACKAGE_NAME);
+                .thenReturn(ADVANCED_VPN_PACKAGE_NAME);
         when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.isAdvancedVpnSupported(any()))
                 .thenReturn(true);
         when(mContext.getPackageManager()).thenReturn(mPackageManager);
@@ -122,7 +133,7 @@
     public void setShownAdvancedPreferences_hasGeneralVpn_returnsVpnCountAs1() {
         Set<Preference> updates = new ArraySet<>();
         AppPreference pref =
-                spy(new AppPreference(mContext, USER_ID_1, FAKE_PACKAGE_NAME));
+                spy(new AppPreference(mContext, USER_ID_1, VPN_PACKAGE_NAME));
         updates.add(pref);
 
         mVpnSettings.setShownAdvancedPreferences(updates);
@@ -136,7 +147,7 @@
     public void setShownAdvancedPreferences_hasAdvancedVpn_returnsAdvancedVpnCountAs1() {
         Set<Preference> updates = new ArraySet<>();
         AppPreference pref =
-                spy(new AppPreference(mContext, USER_ID_1, ADVANCED_VPN_GROUP_PACKAGE_NAME));
+                spy(new AppPreference(mContext, USER_ID_1, ADVANCED_VPN_PACKAGE_NAME));
         updates.add(pref);
 
         mVpnSettings.setShownAdvancedPreferences(updates);
@@ -175,7 +186,7 @@
         List<AppOpsManager.OpEntry> opEntries = new ArrayList<>();
         List<AppOpsManager.PackageOps> apps = new ArrayList<>();
         AppOpsManager.PackageOps packageOps =
-                new AppOpsManager.PackageOps(FAKE_PACKAGE_NAME, uid, opEntries);
+                new AppOpsManager.PackageOps(VPN_PACKAGE_NAME, uid, opEntries);
         apps.add(packageOps);
         when(mAppOpsManager.getPackagesForOps((int[]) any())).thenReturn(apps);
         when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.isAdvancedVpnSupported(any()))
@@ -185,4 +196,90 @@
                 mFakeFeatureFactory.getAdvancedVpnFeatureProvider(),
                 mAppOpsManager)).isEmpty();
     }
+
+    @Test
+    public void clickVpn_VpnConnected_doesNotStartVpnLaunchIntent()
+            throws PackageManager.NameNotFoundException {
+        Set<Preference> updates = new ArraySet<>();
+        AppPreference pref = spy(new AppPreference(mContext, USER_ID_1, VPN_PACKAGE_NAME));
+        pref.setState(AppPreference.STATE_CONNECTED);
+        updates.add(pref);
+        when(mContext.createPackageContextAsUser(any(), anyInt(), any())).thenReturn(mContext);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getLaunchIntentForPackage(any())).thenReturn(mVpnIntent);
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        doNothing().when(mContext).startActivityAsUser(captor.capture(), any());
+        mVpnSettings.setShownPreferences(updates);
+
+        mVpnSettings.onPreferenceClick(pref);
+
+        verify(mContext, never()).startActivityAsUser(any(), any());
+    }
+
+    @Test
+    public void clickVpn_VpnDisconnected_startsVpnLaunchIntent()
+            throws PackageManager.NameNotFoundException {
+        Set<Preference> updates = new ArraySet<>();
+        AppPreference pref = spy(new AppPreference(mContext, USER_ID_1, VPN_PACKAGE_NAME));
+        pref.setState(AppPreference.STATE_DISCONNECTED);
+        updates.add(pref);
+        when(mContext.createPackageContextAsUser(any(), anyInt(), any())).thenReturn(mContext);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getLaunchIntentForPackage(any())).thenReturn(mVpnIntent);
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        doNothing().when(mContext).startActivityAsUser(captor.capture(), any());
+        mVpnSettings.setShownPreferences(updates);
+
+        mVpnSettings.onPreferenceClick(pref);
+
+        verify(mContext).startActivityAsUser(captor.capture(), any());
+        assertThat(TextUtils.equals(captor.getValue().getAction(),
+                VPN_LAUNCH_INTENT)).isTrue();
+    }
+
+    @Test
+    public void clickAdvancedVpn_VpnConnectedDisconnectDialogDisabled_startsAppLaunchIntent()
+            throws PackageManager.NameNotFoundException {
+        Set<Preference> updates = new ArraySet<>();
+        AppPreference pref =
+                spy(new AppPreference(mContext, USER_ID_1, ADVANCED_VPN_PACKAGE_NAME));
+        pref.setState(AppPreference.STATE_CONNECTED);
+        updates.add(pref);
+        when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.isDisconnectDialogEnabled())
+                .thenReturn(false);
+        when(mContext.createPackageContextAsUser(any(), anyInt(), any())).thenReturn(mContext);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getLaunchIntentForPackage(any())).thenReturn(mAdvancedVpnIntent);
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        doNothing().when(mContext).startActivityAsUser(captor.capture(), any());
+        mVpnSettings.setShownAdvancedPreferences(updates);
+
+        mVpnSettings.onPreferenceClick(pref);
+
+        verify(mContext).startActivityAsUser(captor.capture(), any());
+        assertThat(TextUtils.equals(captor.getValue().getAction(),
+                ADVANCED_VPN_LAUNCH_INTENT)).isTrue();
+    }
+
+    @Test
+    public void clickAdvancedVpn_VpnConnectedDisconnectDialogEnabled_doesNotStartAppLaunchIntent()
+            throws PackageManager.NameNotFoundException {
+        Set<Preference> updates = new ArraySet<>();
+        AppPreference pref =
+                spy(new AppPreference(mContext, USER_ID_1, ADVANCED_VPN_PACKAGE_NAME));
+        pref.setState(AppPreference.STATE_CONNECTED);
+        updates.add(pref);
+        when(mFakeFeatureFactory.mAdvancedVpnFeatureProvider.isDisconnectDialogEnabled())
+                .thenReturn(true);
+        when(mContext.createPackageContextAsUser(any(), anyInt(), any())).thenReturn(mContext);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getLaunchIntentForPackage(any())).thenReturn(mAdvancedVpnIntent);
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        doNothing().when(mContext).startActivityAsUser(captor.capture(), any());
+        mVpnSettings.setShownAdvancedPreferences(updates);
+
+        mVpnSettings.onPreferenceClick(pref);
+
+        verify(mContext, never()).startActivityAsUser(any(), any());
+    }
 }