Return null when setting can't be changed.

If a Slice cannot be changed, return null instead of
an error slice.

Bug: 80155832
Test: robotestst
Change-Id: Ib94136c449c6d9c1911f89833bba62fd2263daa4

src/com/android/settings/slices/SliceBuilderUtils.java

@@ -86,8 +86,13 @@ public class SliceBuilderUtils {
         FeatureFactory.getFactory(context).getMetricsFeatureProvider()
                 .action(context, MetricsEvent.ACTION_SETTINGS_SLICE_REQUESTED, sliceNamePair);
 
-        if (controller.getAvailabilityStatus() != AVAILABLE) {
+        if (!controller.isAvailable()) {
-            return buildUnavailableSlice(context, sliceData, controller);
+            // Cannot guarantee setting page is accessible, let the presenter handle error case.
+            return null;
+        }
+
+        if (controller.getAvailabilityStatus() == DISABLED_DEPENDENT_SETTING) {
+            return buildUnavailableSlice(context, sliceData);
         }
 
         switch (sliceData.getSliceType()) {
@@ -176,14 +181,6 @@ public class SliceBuilderUtils {
         return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
     }
 
-    /**
-     * @return {@link PendingIntent} to the Settings home page.
-     */
-    public static PendingIntent getSettingsIntent(Context context) {
-        final Intent intent = new Intent(Settings.ACTION_SETTINGS);
-        return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
-    }
-
     /**
      * @return the summary text for a {@link Slice} built for {@param sliceData}.
      */
@@ -355,40 +352,20 @@ public class SliceBuilderUtils {
         return keywords;
     }
 
-    private static Slice buildUnavailableSlice(Context context, SliceData data,
+    private static Slice buildUnavailableSlice(Context context, SliceData data) {
-            BasePreferenceController controller) {
         final String title = data.getTitle();
         final List<String> keywords = buildSliceKeywords(data);
         @ColorInt final int color = Utils.getColorAccentDefaultColor(context);
-        final String summary;
+        final CharSequence summary = context.getText(R.string.disabled_dependent_setting_summary);
-        final SliceAction primaryAction;
         final IconCompat icon = IconCompat.createWithResource(context, data.getIconResource());
-
+        final SliceAction primaryAction = new SliceAction(getContentPendingIntent(context, data),
-        switch (controller.getAvailabilityStatus()) {
+                icon, title);
-            case UNSUPPORTED_ON_DEVICE:
-                summary = context.getString(R.string.unsupported_setting_summary);
-                primaryAction = new SliceAction(getSettingsIntent(context), icon, title);
-                break;
-            case DISABLED_FOR_USER:
-                summary = context.getString(R.string.disabled_for_user_setting_summary);
-                primaryAction = new SliceAction(getContentPendingIntent(context, data), icon,
-                        title);
-                break;
-            case DISABLED_DEPENDENT_SETTING:
-                summary = context.getString(R.string.disabled_dependent_setting_summary);
-                primaryAction = new SliceAction(getContentPendingIntent(context, data), icon,
-                        title);
-                break;
-            case CONDITIONALLY_UNAVAILABLE:
-            default:
-                summary = context.getString(R.string.unknown_unavailability_setting_summary);
-                primaryAction = new SliceAction(getSettingsIntent(context), icon, title);
-        }
 
         return new ListBuilder(context, data.getUri(), ListBuilder.INFINITY)
                 .setAccentColor(color)
                 .addRow(builder -> builder
                         .setTitle(title)
+                        .setTitleItem(icon)
                         .setSubtitle(summary)
                         .setPrimaryAction(primaryAction))
                 .setKeywords(keywords)

src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java

@@ -25,13 +25,14 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.PersistableBundle;
-import androidx.core.graphics.drawable.IconCompat;
+import android.provider.Settings;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.core.graphics.drawable.IconCompat;
 import androidx.slice.Slice;
 import androidx.slice.builders.ListBuilder;
 import androidx.slice.builders.SliceAction;
@@ -121,7 +122,7 @@ public class WifiCallingSliceHelper {
             return getNonActionableWifiCallingSlice(
                     mContext.getString(R.string.wifi_calling_settings_title),
                     mContext.getString(R.string.wifi_calling_not_supported, carrierName),
-                    sliceUri, SliceBuilderUtils.getSettingsIntent(mContext));
+                    sliceUri, getSettingsIntent(mContext));
         }
 
         final ImsManager imsManager = getImsManager(subId);
@@ -132,7 +133,7 @@ public class WifiCallingSliceHelper {
             return getNonActionableWifiCallingSlice(
                     mContext.getString(R.string.wifi_calling_settings_title),
                     mContext.getString(R.string.wifi_calling_not_supported, carrierName),
-                    sliceUri, SliceBuilderUtils.getSettingsIntent(mContext));
+                    sliceUri, getSettingsIntent(mContext));
         }
 
         try {
@@ -338,6 +339,14 @@ public class WifiCallingSliceHelper {
         return intent;
     }
 
+    /**
+     * @return {@link PendingIntent} to the Settings home page.
+     */
+    public static PendingIntent getSettingsIntent(Context context) {
+        final Intent intent = new Intent(Settings.ACTION_SETTINGS);
+        return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
+    }
+
     private PendingIntent getBroadcastIntent(String action) {
         final Intent intent = new Intent(action);
         intent.setClass(mContext, SliceBroadcastReceiver.class);

tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java

@@ -336,7 +336,7 @@ public class SliceBuilderUtilsTest {
 
         final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
-        SliceTester.testSettingsUnavailableSlice(mContext, slice, data);
+        assertThat(slice).isNull();
     }
 
     @Test
@@ -349,7 +349,7 @@ public class SliceBuilderUtilsTest {
 
         final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
-        SliceTester.testSettingsUnavailableSlice(mContext, slice, data);
+        assertThat(slice).isNull();
     }
 
     @Test
@@ -394,7 +394,7 @@ public class SliceBuilderUtilsTest {
                 .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
         assertThat(capturedLoggingPair.second)
                 .isEqualTo(data.getKey());
-        SliceTester.testSettingsUnavailableSlice(mContext, slice, data);
+        assertThat(slice).isNull();
     }
 
     @Test
@@ -408,16 +408,6 @@ public class SliceBuilderUtilsTest {
         assertThat(intentData).isEqualTo(expectedUri);
     }
 
-    @Test
-    public void getSettingsIntent_createsIntentToSettings() {
-        final Intent intent = new Intent(Settings.ACTION_SETTINGS);
-        final PendingIntent expectedIntent = PendingIntent.getActivity(mContext, 0, intent, 0);
-
-        final PendingIntent settingsIntent = SliceBuilderUtils.getSettingsIntent(mContext);
-
-        assertThat(expectedIntent).isEqualTo(settingsIntent);
-    }
-
     private SliceData getDummyData() {
         return getDummyData(TOGGLE_CONTROLLER, SUMMARY, SliceData.SliceType.SWITCH, SCREEN_TITLE);
     }

tests/robotests/src/com/android/settings/testutils/SliceTester.java

@@ -191,20 +191,8 @@ public class SliceTester {
         assertThat(toggles).isEmpty();
 
         final PendingIntent primaryPendingIntent = metadata.getPrimaryAction().getAction();
-        final int availabilityStatus = SliceBuilderUtils.getPreferenceController(context,
+        assertThat(primaryPendingIntent).isEqualTo(SliceBuilderUtils.getContentPendingIntent(
-                sliceData).getAvailabilityStatus();
+                context, sliceData));
-        switch (availabilityStatus) {
-            case UNSUPPORTED_ON_DEVICE:
-            case CONDITIONALLY_UNAVAILABLE:
-                assertThat(primaryPendingIntent).isEqualTo(
-                        SliceBuilderUtils.getSettingsIntent(context));
-                break;
-            case DISABLED_FOR_USER:
-            case DISABLED_DEPENDENT_SETTING:
-                assertThat(primaryPendingIntent).isEqualTo(
-                        SliceBuilderUtils.getContentPendingIntent(context, sliceData));
-                break;
-        }
 
         final List<SliceItem> sliceItems = slice.getItems();
         assertTitle(sliceItems, sliceData.getTitle());

tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSliceHelperTest.java

@@ -114,7 +114,7 @@ public class WifiCallingSliceHelperTest {
         final Slice slice = mWfcSliceHelper.createWifiCallingSlice(mWfcURI);
 
         testWifiCallingSettingsUnavailableSlice(slice, null,
-                SliceBuilderUtils.getSettingsIntent(mContext));
+                WifiCallingSliceHelper.getSettingsIntent(mContext));
     }
 
     @Test
@@ -125,7 +125,7 @@ public class WifiCallingSliceHelperTest {
 
         assertThat(mWfcSliceHelper.getDefaultVoiceSubId()).isEqualTo(1);
         testWifiCallingSettingsUnavailableSlice(slice, null,
-                SliceBuilderUtils.getSettingsIntent(mContext));
+                WifiCallingSliceHelper.getSettingsIntent(mContext));
     }
 
     @Test