Update Wi-Fi Wakeup setting to check whether the feature is available.

Bug: 38037361
Test: make ROBOTEST_FILTER=WifiWakeupPreferenceControllerTest
RunSettingsRoboTests -j40

Change-Id: I1c1b930546cc090d72f3047058a428acd1b2883a

src/com/android/settings/wifi/WifiSettings.java

@@ -853,11 +853,18 @@ public class WifiSettings extends RestrictedSettingsFragment
 
     private void setAdditionalSettingsSummaries() {
         mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference);
+        final int defaultWakeupAvailable = getResources().getInteger(
+                com.android.internal.R.integer.config_wifi_wakeup_available);
+        boolean wifiWakeupAvailable = Settings.Global.getInt(
+                getContentResolver(), Settings.Global.WIFI_WAKEUP_AVAILABLE, defaultWakeupAvailable)
+                == 1;
+        if (wifiWakeupAvailable) {
             boolean wifiWakeupEnabled = Settings.Global.getInt(
                     getContentResolver(), Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1;
             mConfigureWifiSettingsPreference.setSummary(getString(wifiWakeupEnabled
                     ? R.string.wifi_configure_settings_preference_summary_wakeup_on
                     : R.string.wifi_configure_settings_preference_summary_wakeup_off));
+        }
         int numSavedNetworks = mWifiTracker.getNumSavedNetworks();
         if (numSavedNetworks > 0) {
             mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference);

src/com/android/settings/wifi/WifiWakeupPreferenceController.java

@@ -70,7 +70,10 @@ public class WifiWakeupPreferenceController extends PreferenceController impleme
 
     @Override
     public boolean isAvailable() {
-        return true;
+        final int defaultValue = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_wifi_wakeup_available);
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.WIFI_WAKEUP_AVAILABLE, defaultValue) == 1;
     }
 
     @Override

tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java

@@ -127,6 +127,16 @@ public class SettingsShadowResources extends ShadowResources {
                 realResources, Resources.class, "getString", ClassParameter.from(int.class, id));
     }
 
+    @Implementation
+    public int getInteger(int id) {
+        final Object override = sResourceOverrides.get(id);
+        if (override instanceof Integer) {
+            return (Integer) override;
+        }
+        return Shadow.directlyOn(
+                realResources, Resources.class, "getInteger", ClassParameter.from(int.class, id));
+    }
+
     @Implements(Theme.class)
     public static class SettingsShadowTheme extends ShadowTheme {
 

tests/robotests/src/com/android/settings/wifi/WifiWakeupPreferenceControllerTest.java

@@ -18,10 +18,9 @@ package com.android.settings.wifi;
 
 import static android.provider.Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED;
 import static android.provider.Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE;
+import static android.provider.Settings.Global.WIFI_WAKEUP_AVAILABLE;
 import static android.provider.Settings.Global.WIFI_WAKEUP_ENABLED;
-
 import static com.google.common.truth.Truth.assertThat;
-
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
@@ -34,7 +33,9 @@ import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.testutils.shadow.SettingsShadowResources;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -43,7 +44,10 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+@Config(
+        manifest = TestConfig.MANIFEST_PATH,
+        sdk = TestConfig.SDK_VERSION,
+        shadows = { SettingsShadowResources.class })
 public class WifiWakeupPreferenceControllerTest {
 
     private Context mContext;
@@ -55,10 +59,24 @@ public class WifiWakeupPreferenceControllerTest {
         mContext = RuntimeEnvironment.application;
         mController = new WifiWakeupPreferenceController(mContext, mock(Lifecycle.class));
         Settings.System.putInt(mContext.getContentResolver(), WIFI_SCAN_ALWAYS_AVAILABLE, 1);
+        SettingsShadowResources.overrideResource(
+                com.android.internal.R.integer.config_wifi_wakeup_available, 0);
+    }
+
+    @After
+    public void tearDown() {
+        SettingsShadowResources.reset();
     }
 
     @Test
-    public void testIsAvailable_shouldAlwaysReturnTrue() {
+    public void testIsAvailable_returnsFalseWhenSettingIsNotAvailable() {
+        Settings.System.putInt(mContext.getContentResolver(), WIFI_WAKEUP_AVAILABLE, 0);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void testIsAvailable_returnsTrueWhenSettingIsAvailable() {
+        Settings.System.putInt(mContext.getContentResolver(), WIFI_WAKEUP_AVAILABLE, 1);
         assertThat(mController.isAvailable()).isTrue();
     }