Merge "Add controller to show the summary" into pi-dev

res/xml/connected_devices.xml

@@ -52,6 +52,7 @@
     <Preference
         android:key="connection_preferences"
         android:title="@string/connected_device_connections_title"
-        android:fragment="com.android.settings.connecteddevice.AdvancedConnectedDeviceDashboardFragment"/>
+        android:fragment="com.android.settings.connecteddevice.AdvancedConnectedDeviceDashboardFragment"
+        settings:controller="com.android.settings.connecteddevice.AdvancedConnectedDeviceController"/>
 
 </PreferenceScreen>

src/com/android/settings/connecteddevice/AdvancedConnectedDeviceController.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.settings.connecteddevice;
+
+import android.content.Context;
+import android.support.annotation.VisibleForTesting;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.nfc.NfcPreferenceController;
+
+/**
+ * Controller that used to show which component is available
+ */
+public class AdvancedConnectedDeviceController extends BasePreferenceController {
+
+    public AdvancedConnectedDeviceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mContext.getText(getConnectedDevicesSummaryResourceId(mContext));
+    }
+
+    /**
+     * Get Connected Devices summary that depend on {@link NfcPreferenceController} or
+     * diving mode are available
+     */
+    public static int getConnectedDevicesSummaryResourceId(Context context) {
+        final NfcPreferenceController nfcPreferenceController =
+                new NfcPreferenceController(context);
+        final boolean isDrivingModeAvailable = false;
+
+        return getConnectedDevicesSummaryResourceId(nfcPreferenceController,
+                isDrivingModeAvailable);
+    }
+
+    @VisibleForTesting
+    static int getConnectedDevicesSummaryResourceId(NfcPreferenceController
+            nfcPreferenceController, boolean isDrivingModeAvailable) {
+        final int resId;
+
+        if (nfcPreferenceController.isAvailable()) {
+            if (isDrivingModeAvailable) {
+                // NFC available, driving mode available
+                resId = R.string.connected_devices_dashboard_summary;
+            } else {
+                // NFC available, driving mode not available
+                resId = R.string.connected_devices_dashboard_no_driving_mode_summary;
+            }
+        } else {
+            if (isDrivingModeAvailable) {
+                // NFC not available, driving mode available
+                resId = R.string.connected_devices_dashboard_no_nfc_summary;
+            } else {
+                // NFC not available, driving mode not available
+                resId = R.string.connected_devices_dashboard_no_driving_mode_no_nfc_summary;
+            }
+        }
+
+        return resId;
+    }
+}

tests/robotests/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceControllerTest.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.settings.connecteddevice;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+
+import android.content.Context;
+import com.android.settings.R;
+import com.android.settings.nfc.NfcPreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowNfcAdapter;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.spy;
+import static org.robolectric.Shadows.shadowOf;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = ShadowNfcAdapter.class)
+public class AdvancedConnectedDeviceControllerTest {
+
+    private static final String KEY = "test_key";
+
+    private Context mContext;
+    private NfcPreferenceController mNfcController;
+    private ShadowNfcAdapter mShadowNfcAdapter;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(RuntimeEnvironment.application);
+        mNfcController = new NfcPreferenceController(mContext);
+        mShadowNfcAdapter = shadowOf(ShadowNfcAdapter.getNfcAdapter(mContext));
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnStatusIsAvailable() {
+        AdvancedConnectedDeviceController controller =
+                new AdvancedConnectedDeviceController(mContext, KEY);
+
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(
+                AVAILABLE);
+    }
+
+    @Test
+    public void getConnectedDevicesSummaryResourceId_NFCAndDrivingModeAvailable() {
+        // NFC available, driving mode available
+        final boolean isDrivingModeAvailable = true;
+        mShadowNfcAdapter.setEnabled(true);
+        assertThat(AdvancedConnectedDeviceController
+                .getConnectedDevicesSummaryResourceId(mNfcController, isDrivingModeAvailable))
+                .isEqualTo(R.string.connected_devices_dashboard_summary);
+    }
+
+    @Test
+    public void getConnectedDevicesSummaryResourceId_NFCAvailableAndDrivingModeNotAvailable() {
+        // NFC is available, driving mode not available
+        final boolean isDrivingModeAvailable = false;
+        mShadowNfcAdapter.setEnabled(true);
+        assertThat(AdvancedConnectedDeviceController
+                .getConnectedDevicesSummaryResourceId(mNfcController, isDrivingModeAvailable))
+                .isEqualTo(R.string.connected_devices_dashboard_no_driving_mode_summary);
+    }
+
+    @Test
+    public void getConnectedDevicesSummaryResourceId_NFCNotAvailableDrivingModeAvailable() {
+        // NFC not available, driving mode available
+        final boolean isDrivingModeAvailable = true;
+        ReflectionHelpers.setField(mNfcController, "mNfcAdapter", null);
+        assertThat(AdvancedConnectedDeviceController
+                .getConnectedDevicesSummaryResourceId(mNfcController, isDrivingModeAvailable))
+                .isEqualTo(R.string.connected_devices_dashboard_no_nfc_summary);
+    }
+
+    @Test
+    public void getConnectedDevicesSummaryResourceId_NFCAndDrivingModeNotAvailable() {
+        // NFC not available, driving mode not available
+        final boolean isDrivingModeAvailable = false;
+        ReflectionHelpers.setField(mNfcController, "mNfcAdapter", null);
+        assertThat(AdvancedConnectedDeviceController
+                .getConnectedDevicesSummaryResourceId(mNfcController, isDrivingModeAvailable))
+                .isEqualTo(R.string.connected_devices_dashboard_no_driving_mode_no_nfc_summary);
+    }
+}