Gear Preference on VPN page includes subtitle if the vpn is an insecure

type

Test: atest SettingsUnitTests
Screenshot: https://screenshot.googleplex.com/BWfUf6hcHNnbLvH
Bug: 176821216
Change-Id: I2bee3ba100bfe636221264492a2ce98b6a664cd5
Merged-In: I2bee3ba100bfe636221264492a2ce98b6a664cd5
(cherry picked from commit 3922249709)

res/values/strings.xml

@@ -7054,6 +7054,8 @@
     <string name="vpn_always_on_summary_not_supported">Not supported by this app</string>
     <!-- Preference summary for a VPN app that is set to be always-on. [CHAR LIMIT=40]  -->
     <string name="vpn_always_on_summary_active">Always-on active</string>
+    <!-- Preference summary for a VPN app that has an insecure type. [CHAR LIMIT=40]  -->
+    <string name="vpn_insecure_summary">not secure VPN</string>
     <!-- Preference title for the toggle that controls whether to force all network connections to
         go through VPN. [CHAR LIMIT=40] -->
     <string name="vpn_require_connection">Block connections without VPN</string>

src/com/android/settings/vpn2/ManageablePreference.java

@@ -16,15 +16,20 @@
 
 package com.android.settings.vpn2;
 
+import static android.text.Spanned.SPAN_EXCLUSIVE_INCLUSIVE;
+
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.text.SpannableString;
 import android.text.TextUtils;
+import android.text.style.ForegroundColorSpan;
 import android.util.AttributeSet;
 
 import com.android.settings.R;
 import com.android.settings.widget.GearPreference;
+import com.android.settingslib.Utils;
 
 /**
  * This class sets appropriate enabled state and user admin message when userId is set
@@ -34,6 +39,7 @@ public abstract class ManageablePreference extends GearPreference {
     public static int STATE_NONE = -1;
 
     boolean mIsAlwaysOn = false;
+    boolean mIsInsecureVpn = false;
     int mState = STATE_NONE;
     int mUserId;
 
@@ -57,6 +63,10 @@ public abstract class ManageablePreference extends GearPreference {
         return mIsAlwaysOn;
     }
 
+    public boolean isInsecureVpn() {
+        return mIsInsecureVpn;
+    }
+
     public int getState() {
         return mState;
     }
@@ -76,9 +86,20 @@ public abstract class ManageablePreference extends GearPreference {
         }
     }
 
+    /**
+     * Set whether the VPN associated with this preference has an insecure type.
+     * By default the value will be False.
+     */
+    public void setInsecureVpn(boolean isInsecureVpn) {
+        if (mIsInsecureVpn != isInsecureVpn) {
+            mIsInsecureVpn = isInsecureVpn;
+            updateSummary();
+        }
+    }
+
     /**
      * Update the preference summary string (see {@see Preference#setSummary}) with a string
-     * reflecting connection status and always-on setting.
+     * reflecting connection status, always-on setting and whether the vpn is insecure.
      *
      * State is not shown for {@code STATE_NONE}.
      */
@@ -91,6 +112,18 @@ public abstract class ManageablePreference extends GearPreference {
             summary = TextUtils.isEmpty(summary) ? alwaysOnString : res.getString(
                     R.string.join_two_unrelated_items, summary, alwaysOnString);
         }
-        setSummary(summary);
+        if (mIsInsecureVpn) {
+            final String insecureString = res.getString(R.string.vpn_insecure_summary);
+            summary = TextUtils.isEmpty(summary) ? insecureString : res.getString(
+                    R.string.join_two_unrelated_items, summary, insecureString);
+
+            SpannableString summarySpan = new SpannableString(summary);
+            final int colorError = Utils.getColorErrorDefaultColor(getContext());
+            summarySpan.setSpan(new ForegroundColorSpan(colorError), 0, summary.length(),
+                    SPAN_EXCLUSIVE_INCLUSIVE);
+            setSummary(summarySpan);
+        } else {
+            setSummary(summary);
+        }
     }
 }

src/com/android/settings/vpn2/VpnSettings.java

@@ -294,6 +294,7 @@ public class VpnSettings extends RestrictedSettingsFragment implements
                     p.setState(LegacyVpnPreference.STATE_NONE);
                 }
                 p.setAlwaysOn(lockdownVpnKey != null && lockdownVpnKey.equals(profile.key));
+                p.setInsecureVpn(VpnProfile.isLegacyType(profile.type));
                 updates.add(p);
             }
 
@@ -303,6 +304,7 @@ public class VpnSettings extends RestrictedSettingsFragment implements
                 LegacyVpnPreference p = mSettings.findOrCreatePreference(stubProfile, false);
                 p.setState(vpn.state);
                 p.setAlwaysOn(lockdownVpnKey != null && lockdownVpnKey.equals(vpn.key));
+                p.setInsecureVpn(VpnProfile.isLegacyType(stubProfile.type));
                 updates.add(p);
             }