diff --git a/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceController.java b/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceController.java new file mode 100644 index 00000000000..c018bf7cf1f --- /dev/null +++ b/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceController.java @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2019 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.development.bluetooth; + +import android.bluetooth.BluetoothA2dp; +import android.content.Context; + +import com.android.settings.development.BluetoothA2dpConfigStore; +import com.android.settings.development.BluetoothServiceConnectionListener; +import com.android.settingslib.core.lifecycle.Lifecycle; +import com.android.settingslib.core.lifecycle.LifecycleObserver; +import com.android.settingslib.core.lifecycle.events.OnDestroy; +import com.android.settingslib.development.DeveloperOptionsPreferenceController; + +/** + * Abstract class for Bluetooth A2DP config controller in developer option. + */ +public abstract class AbstractBluetoothPreferenceController extends + DeveloperOptionsPreferenceController implements BluetoothServiceConnectionListener, + LifecycleObserver, OnDestroy { + + protected final BluetoothA2dpConfigStore mBluetoothA2dpConfigStore; + protected volatile BluetoothA2dp mBluetoothA2dp; + + public AbstractBluetoothPreferenceController(Context context, Lifecycle lifecycle, + BluetoothA2dpConfigStore store) { + super(context); + mBluetoothA2dpConfigStore = store; + if (lifecycle != null) { + lifecycle.addObserver(this); + } + } + + @Override + public void onBluetoothServiceConnected(BluetoothA2dp bluetoothA2dp) { + mBluetoothA2dp = bluetoothA2dp; + updateState(mPreference); + } + + @Override + public void onBluetoothCodecUpdated() { + updateState(mPreference); + } + + @Override + public void onBluetoothServiceDisconnected() { + mBluetoothA2dp = null; + updateState(mPreference); + } + + @Override + public void onDestroy() { + mBluetoothA2dp = null; + } + + /** + * Callback interface for this class to manipulate data from controller. + */ + public interface Callback { + /** + * Callback method to notify preferences when the Bluetooth A2DP config is changed. + */ + void onBluetoothCodecChanged(); + + /** + * Callback method to notify preferences when the HD audio(optional codec) state is changed. + * + * @param enabled Is {@code true} when the setting is enabled. + */ + void onBluetoothHDAudioEnabled(boolean enabled); + } +} diff --git a/tests/robotests/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceControllerTest.java new file mode 100644 index 00000000000..6e231c71f1e --- /dev/null +++ b/tests/robotests/src/com/android/settings/development/bluetooth/AbstractBluetoothPreferenceControllerTest.java @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2019 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.development.bluetooth; + +import static com.google.common.truth.Truth.assertThat; + +import static org.mockito.Mockito.any; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.verify; + +import android.bluetooth.BluetoothA2dp; +import android.content.Context; + +import androidx.lifecycle.LifecycleOwner; + +import com.android.settings.development.BluetoothA2dpConfigStore; +import com.android.settingslib.core.lifecycle.Lifecycle; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; +import org.robolectric.RobolectricTestRunner; +import org.robolectric.RuntimeEnvironment; + +@RunWith(RobolectricTestRunner.class) +public class AbstractBluetoothPreferenceControllerTest { + + @Mock + private BluetoothA2dpConfigStore mBluetoothA2dpConfigStore; + @Mock + private BluetoothA2dp mBluetoothA2dp; + + private LifecycleOwner mLifecycleOwner; + private Lifecycle mLifecycle; + private Context mContext; + private AbstractBluetoothPreferenceController mController; + + @Before + public void setup() { + MockitoAnnotations.initMocks(this); + mContext = RuntimeEnvironment.application; + mLifecycleOwner = () -> mLifecycle; + mLifecycle = new Lifecycle(mLifecycleOwner); + mController = spy(new AbstractBluetoothPreferenceControllerImpl(mContext, mLifecycle, + mBluetoothA2dpConfigStore)); + } + + @Test + public void onBluetoothServiceConnected_checkProfile() { + assertThat(mController.mBluetoothA2dp).isNull(); + mController.onBluetoothServiceConnected(mBluetoothA2dp); + assertThat(mController.mBluetoothA2dp).isEqualTo(mBluetoothA2dp); + } + + @Test + public void onBluetoothServiceConnected_updateState() { + mController.onBluetoothServiceConnected(mBluetoothA2dp); + verify(mController).updateState(any()); + } + + @Test + public void onBluetoothCodecUpdated_updateState() { + mController.onBluetoothCodecUpdated(); + verify(mController).updateState(any()); + } + + @Test + public void onBluetoothServiceDisconnected_clearA2dpProfile() { + mController.onBluetoothServiceConnected(mBluetoothA2dp); + assertThat(mController.mBluetoothA2dp).isEqualTo(mBluetoothA2dp); + mController.onBluetoothServiceDisconnected(); + assertThat(mController.mBluetoothA2dp).isNull(); + } + + @Test + public void onDestroy_clearA2dpProfile() { + mController.onBluetoothServiceConnected(mBluetoothA2dp); + assertThat(mController.mBluetoothA2dp).isEqualTo(mBluetoothA2dp); + mController.onDestroy(); + assertThat(mController.mBluetoothA2dp).isNull(); + } + + private static class AbstractBluetoothPreferenceControllerImpl extends + AbstractBluetoothPreferenceController { + + private AbstractBluetoothPreferenceControllerImpl(Context context, Lifecycle lifecycle, + BluetoothA2dpConfigStore store) { + super(context, lifecycle, store); + } + + @Override + public String getPreferenceKey() { + return null; + } + } +}