Integrate SliceBackgroundWorker to ConnectedDeviceSlice

Bug: 114807655
Test: visual, robotest
Change-Id: I11a8f6b3d1464ec1e932e03668c462a72346565b

src/com/android/settings/homepage/contextualcards/slices/BluetoothUpdateWorker.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 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.homepage.contextualcards.slices;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+
+import com.android.settings.bluetooth.Utils;
+import com.android.settings.slices.SliceBackgroundWorker;
+import com.android.settingslib.bluetooth.BluetoothCallback;
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.LocalBluetoothManager;
+
+public class BluetoothUpdateWorker extends SliceBackgroundWorker implements BluetoothCallback {
+
+    private static final String TAG = "BluetoothUpdateWorker";
+
+    private final Context mContext;
+    private final Uri mUri;
+    private final LocalBluetoothManager mLocalBluetoothManager;
+
+    public BluetoothUpdateWorker(Context context, Uri uri) {
+        super(context, uri);
+
+        mContext = context;
+        mUri = uri;
+        mLocalBluetoothManager = Utils.getLocalBtManager(mContext);
+    }
+
+    @Override
+    protected void onSlicePinned() {
+        if (mLocalBluetoothManager == null) {
+            Log.i(TAG, "onSlicePinned() Bluetooth is unsupported.");
+            return;
+        }
+        mLocalBluetoothManager.getEventManager().registerCallback(this);
+    }
+
+    @Override
+    protected void onSliceUnpinned() {
+        if (mLocalBluetoothManager == null) {
+            Log.i(TAG, "onSliceUnpinned() Bluetooth is unsupported.");
+            return;
+        }
+        mLocalBluetoothManager.getEventManager().unregisterCallback(this);
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public void onAclConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) {
+        notifySliceChange();
+    }
+
+    @Override
+    public void onActiveDeviceChanged(CachedBluetoothDevice activeDevice, int bluetoothProfile) {
+        notifySliceChange();
+    }
+
+    @Override
+    public void onBluetoothStateChanged(int bluetoothState) {
+        notifySliceChange();
+    }
+
+    @Override
+    public void onConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) {
+        notifySliceChange();
+    }
+
+    @Override
+    public void onProfileConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state,
+            int bluetoothProfile) {
+        notifySliceChange();
+    }
+
+    private void notifySliceChange() {
+        mContext.getContentResolver().notifyChange(mUri, null);
+    }
+}

src/com/android/settings/homepage/contextualcards/slices/ConnectedDeviceSlice.java

@@ -18,7 +18,6 @@ package com.android.settings.homepage.contextualcards.slices;
 
 import android.app.PendingIntent;
 import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothDevice;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
@@ -28,7 +27,6 @@ import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Pair;
 
@@ -55,10 +53,9 @@ import com.android.settingslib.core.instrumentation.Instrumentable;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
-import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * TODO(b/114807655): Contextual Home Page - Connected Device
@@ -66,11 +63,7 @@ import java.util.Map;
  * Show connected device info if one is currently connected. UI for connected device should
  * match Connected Devices > Currently Connected Devices
  *
- * This Slice will show multiple currently connected devices, which includes:
+ * TODO This class will be refactor for Bluetooth connected devices only.
- * 1) Bluetooth.
- * 2) Docks.
- * ...
- * TODO Other device types are under checking to support, will update later.
  */
 public class ConnectedDeviceSlice implements CustomSliceable {
 
@@ -138,7 +131,6 @@ public class ConnectedDeviceSlice implements CustomSliceable {
                         .setAccentColor(Utils.getColorAccentDefaultColor(mContext));
 
         // Get row builders by connected devices, e.g. Bluetooth.
-        // TODO Add other type connected devices, e.g. Docks.
         final List<ListBuilder.RowBuilder> rows = getBluetoothRowBuilder(primarySliceAction);
 
         // Return a header with IsError flag, if no connected devices.
@@ -181,13 +173,18 @@ public class ConnectedDeviceSlice implements CustomSliceable {
     public void onNotifyChange(Intent intent) {
     }
 
+    @Override
+    public Class getBackgroundWorkerClass() {
+        return BluetoothUpdateWorker.class;
+    }
+
     @VisibleForTesting
     List<CachedBluetoothDevice> getBluetoothConnectedDevices() {
         final List<CachedBluetoothDevice> connectedBluetoothList = new ArrayList<>();
 
         // If Bluetooth is disable, skip to get the bluetooth devices.
         if (!BluetoothAdapter.getDefaultAdapter().isEnabled()) {
-            Log.d(TAG, "Cannot get Bluetooth connected devices, Bluetooth is disabled.");
+            Log.i(TAG, "Cannot get Bluetooth connected devices, Bluetooth is disabled.");
             return connectedBluetoothList;
         }
 
@@ -195,25 +192,15 @@ public class ConnectedDeviceSlice implements CustomSliceable {
         final LocalBluetoothManager bluetoothManager =
                 com.android.settings.bluetooth.Utils.getLocalBtManager(mContext);
         if (bluetoothManager == null) {
-            Log.d(TAG, "Cannot get Bluetooth connected devices, Bluetooth is not supported.");
+            Log.i(TAG, "Cannot get Bluetooth connected devices, Bluetooth is unsupported.");
             return connectedBluetoothList;
         }
         final Collection<CachedBluetoothDevice> cachedDevices =
                 bluetoothManager.getCachedDeviceManager().getCachedDevicesCopy();
 
-        // Get all connected Bluetooth devices and use Map to filter duplicated Bluetooth.
+        // Get connected Bluetooth devices and sort them.
-        final Map<BluetoothDevice, CachedBluetoothDevice> connectedBluetoothMap = new ArrayMap<>();
+        return cachedDevices.stream().filter(device -> device.isConnected()).sorted(
-        for (CachedBluetoothDevice device : cachedDevices) {
+                COMPARATOR).collect(Collectors.toList());
-            if (device.isConnected() && !connectedBluetoothMap.containsKey(device.getDevice())) {
-                connectedBluetoothMap.put(device.getDevice(), device);
-            }
-        }
-
-        // Sort connected Bluetooth devices.
-        connectedBluetoothList.addAll(connectedBluetoothMap.values());
-        Collections.sort(connectedBluetoothList, COMPARATOR);
-
-        return connectedBluetoothList;
     }
 
     @VisibleForTesting

tests/robotests/src/com/android/settings/homepage/contextualcards/slices/BluetoothUpdateWorkerTest.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 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.homepage.contextualcards.slices;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = {ShadowBluetoothAdapter.class})
+public class BluetoothUpdateWorkerTest {
+
+    private static final Uri URI = Uri.parse("content://com.android.settings.slices/test");
+
+    private BluetoothUpdateWorker mBluetoothUpdateWorker;
+    private ContentResolver mResolver;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+        mBluetoothUpdateWorker = new BluetoothUpdateWorker(mContext, URI);
+        mResolver = mock(ContentResolver.class);
+        doReturn(mResolver).when(mContext).getContentResolver();
+    }
+
+    @Test
+    public void onAclConnectionStateChanged_shouldNotifyChange() {
+        mBluetoothUpdateWorker.onAclConnectionStateChanged(null, 0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onActiveDeviceChanged_shouldNotifyChange() {
+        mBluetoothUpdateWorker.onActiveDeviceChanged(null, 0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onBluetoothStateChanged_shouldNotifyChange() {
+        mBluetoothUpdateWorker.onBluetoothStateChanged(0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onConnectionStateChanged_shouldNotifyChange() {
+        mBluetoothUpdateWorker.onConnectionStateChanged(null, 0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onProfileConnectionStateChanged_shouldNotifyChange() {
+        mBluetoothUpdateWorker.onProfileConnectionStateChanged(null, 0, 0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+}