Add quality preference controller for Bluetooth developer option

Bug: 142227996 Test: make -j50 RunSettingsRoboTests Change-Id: I42b6ecdc0b661f9057db23405785351980f04056
2019-12-09 15:27:10 +08:00
parent 810f7861f0
commit 6a1b765d74
2 changed files with 249 additions and 0 deletions
--- a/src/com/android/settings/development/bluetooth/BluetoothQualityDialogPreferenceController.java
+++ b/src/com/android/settings/development/bluetooth/BluetoothQualityDialogPreferenceController.java
@@ -0,0 +1,119 @@
+/*
+ * 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.BluetoothCodecConfig;
+import android.content.Context;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.development.BluetoothA2dpConfigStore;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Dialog preference controller to set the Bluetooth A2DP config of LDAC quality
+ */
+public class BluetoothQualityDialogPreferenceController extends
+        AbstractBluetoothDialogPreferenceController {
+
+    private static final String KEY = "bluetooth_a2dp_ldac_playback_quality";
+    private static final String TAG = "BtQualityCtr";
+
+    public BluetoothQualityDialogPreferenceController(Context context, Lifecycle lifecycle,
+                                                      BluetoothA2dpConfigStore store) {
+        super(context, lifecycle, store);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        ((BaseBluetoothDialogPreference) mPreference).setCallback(this);
+    }
+
+    @Override
+    protected void writeConfigurationValues(final int index) {
+        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 getCurrentIndexByConfig(BluetoothCodecConfig config) {
+        if (config == null) {
+            Log.e(TAG, "Unable to get current config index. Config is null.");
+        }
+        return convertCfgToBtnIndex((int) config.getCodecSpecific1());
+    }
+
+    @Override
+    public List<Integer> getSelectableIndex() {
+        List<Integer> selectableIndex = new ArrayList<>();
+        // All four items of LDAC are available.
+        for (int i = 0; i < 4; i++) {
+            selectableIndex.add(i);
+        }
+        return selectableIndex;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        // Enable preference when current codec type is LDAC. For other cases, disable it.
+        final BluetoothCodecConfig currentConfig = getCurrentCodecConfig();
+        if (currentConfig != null
+                && currentConfig.getCodecType() == BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC) {
+            preference.setEnabled(true);
+        } else {
+            preference.setEnabled(false);
+            preference.setSummary("");
+        }
+    }
+
+    @Override
+    public void onHDAudioEnabled(boolean enabled) {
+        mPreference.setEnabled(false);
+    };
+
+    @VisibleForTesting
+    int convertCfgToBtnIndex(int config) {
+        int index = config - 1000;
+        if (index < 0) {
+            index = getDefaultIndex();
+        }
+        return index;
+    }
+}