Introduce BluetoothAudioQualityPreferenceCtrl

- Create new BluetoothAudioQualityPreferenceController
 - Create controller inside the DashboardFragment
 - Port logic from DevelopmentSettings into the controller

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: I145c2e2554f5e9f5e7cfa79b3f6198a8b81105ec

src/com/android/settings/development/BluetoothAudioQualityPreferenceController.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2017 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;
+
+import android.bluetooth.BluetoothCodecConfig;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+public class BluetoothAudioQualityPreferenceController extends
+        AbstractBluetoothA2dpPreferenceController {
+
+    private static final int DEFAULT_INDEX = 3;
+    private static final String BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY =
+            "bluetooth_select_a2dp_ldac_playback_quality";
+
+    public BluetoothAudioQualityPreferenceController(Context context, Lifecycle lifecycle,
+            BluetoothA2dpConfigStore store) {
+        super(context, lifecycle, store);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY;
+    }
+
+    @Override
+    protected String[] getListValues() {
+        return mContext.getResources().getStringArray(
+                R.array.bluetooth_a2dp_codec_ldac_playback_quality_values);
+    }
+
+    @Override
+    protected String[] getListSummaries() {
+        return mContext.getResources().getStringArray(
+                R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
+    }
+
+    @Override
+    protected int getDefaultIndex() {
+        return DEFAULT_INDEX;
+    }
+
+    @Override
+    protected void writeConfigurationValues(Object newValue) {
+        final int index = mPreference.findIndexOfValue(newValue.toString());
+        int codecSpecific1Value = 0; // default
+        switch (index) {
+            case 0:
+            case 1:
+            case 2:
+            case 3:
+                codecSpecific1Value = 1000 + index;
+                break;
+            default:
+                break;
+        }
+        mBluetoothA2dpConfigStore.setCodecSpecific1Value(codecSpecific1Value);
+    }
+
+    @Override
+    protected int getCurrentA2dpSettingIndex(BluetoothCodecConfig config) {
+        // The actual values are 0, 1, 2 - those are extracted
+        // as mod-10 remainders of a larger value.
+        // The reason is because within BluetoothCodecConfig we cannot use
+        // a codec-specific value of zero.
+        int index = (int) config.getCodecSpecific1();
+        if (index > 0) {
+            index %= 10;
+        } else {
+            index = DEFAULT_INDEX;
+        }
+        switch (index) {
+            case 0:
+            case 1:
+            case 2:
+            case 3:
+                break;
+            default:
+                index = DEFAULT_INDEX;
+                break;
+        }
+        return index;
+    }
+}

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -385,7 +385,8 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
                 bluetoothA2dpConfigStore));
         controllers.add(new BluetoothAudioChannelModePreferenceController(context, lifecycle,
                 bluetoothA2dpConfigStore));
-        // bluetooth audio ldac codec: playback quality
+        controllers.add(new BluetoothAudioQualityPreferenceController(context, lifecycle,
+                bluetoothA2dpConfigStore));
         controllers.add(new ShowTapsPreferenceController(context));
         controllers.add(new PointerLocationPreferenceController(context));
         controllers.add(new ShowSurfaceUpdatesPreferenceController(context));

tests/robotests/src/android/bluetooth/BluetoothCodecConfig.java

@@ -47,4 +47,8 @@ public class BluetoothCodecConfig {
     public int getChannelMode() {
         return 0;
     }
+
+    public long getCodecSpecific1() {
+        return 0;
+    }
 }

tests/robotests/src/com/android/settings/development/BluetoothAudioQualityPreferenceControllerTest.java

@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2017 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;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.bluetooth.BluetoothCodecConfig;
+import android.content.Context;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+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.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BluetoothAudioQualityPreferenceControllerTest {
+
+    @Mock
+    private BluetoothCodecConfig mBluetoothCodecConfig;
+    @Mock
+    private ListPreference mPreference;
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private BluetoothA2dpConfigStore mBluetoothA2dpConfigStore;
+
+    /**
+     * 0: Optimized for Audio Quality (990kbps/909kbps)
+     * 1: Balanced Audio And Connection Quality (660kbps/606kbps)
+     * 2: Stereo
+     */
+    private String[] mListValues;
+    private Context mContext;
+    private BluetoothAudioQualityPreferenceController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = spy(new BluetoothAudioQualityPreferenceController(mContext,
+                new Lifecycle(), mBluetoothA2dpConfigStore));
+        mListValues = mController.getListValues();
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+        mController.displayPreference(mScreen);
+    }
+
+    @Test
+    public void writeConfigurationValues_option3_shouldWrite1003ToSharedStore() {
+        when(mPreference.findIndexOfValue(mListValues[3])).thenReturn(3);
+        mController.writeConfigurationValues(mListValues[3]);
+
+        verify(mBluetoothA2dpConfigStore).setCodecSpecific1Value(1003);
+    }
+
+    @Test
+    public void writeConfigurationValues_default_shouldSetDefault() {
+        when(mPreference.findIndexOfValue(mListValues[0])).thenReturn(0);
+        mController.writeConfigurationValues(mListValues[0]);
+
+        verify(mBluetoothA2dpConfigStore).setCodecSpecific1Value(1000);
+    }
+
+    @Test
+    public void getCurrentA2dpSettingIndex_option2_shouldReturnSecondIndex() {
+        when(mBluetoothCodecConfig.getCodecSpecific1()).thenReturn(Long.valueOf(2));
+
+        final int index = mController.getCurrentA2dpSettingIndex(mBluetoothCodecConfig);
+
+        assertThat(index).isEqualTo(2);
+    }
+
+    @Test
+    public void getCurrentA2dpSettingIndex_unknownOption_shouldReturnDefault() {
+        when(mBluetoothCodecConfig.getCodecType()).thenReturn(1381391835);
+
+        final int index = mController.getCurrentA2dpSettingIndex(mBluetoothCodecConfig);
+
+        assertThat(index).isEqualTo(3);
+    }
+}