1 files changed, 162 insertions, 0 deletions
diff --git a/service/java/com/android/server/bluetooth/BluetoothModeChangeHelper.java b/service/java/com/android/server/bluetooth/BluetoothModeChangeHelper.java
new file mode 100644
index 0000000000..e5854c9682
--- /dev/null
+++ b/service/java/com/android/server/bluetooth/BluetoothModeChangeHelper.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright 2020 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.server;
+
+import android.annotation.RequiresPermission;
+import android.bluetooth.BluetoothA2dp;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothHearingAid;
+import android.bluetooth.BluetoothLeAudio;
+import android.bluetooth.BluetoothProfile;
+import android.bluetooth.BluetoothProfile.ServiceListener;
+import android.content.Context;
+import android.content.res.Resources;
+import android.provider.Settings;
+import android.widget.Toast;
+
+import com.android.internal.R;
+import com.android.internal.annotations.VisibleForTesting;
+
+/**
+ * Helper class that handles callout and callback methods without
+ * complex logic.
+ */
+public class BluetoothModeChangeHelper {
+    private volatile BluetoothA2dp mA2dp;
+    private volatile BluetoothHearingAid mHearingAid;
+    private volatile BluetoothLeAudio mLeAudio;
+    private final BluetoothAdapter mAdapter;
+    private final Context mContext;
+
+    BluetoothModeChangeHelper(Context context) {
+        mAdapter = BluetoothAdapter.getDefaultAdapter();
+        mContext = context;
+
+        mAdapter.getProfileProxy(mContext, mProfileServiceListener, BluetoothProfile.A2DP);
+        mAdapter.getProfileProxy(mContext, mProfileServiceListener,
+                BluetoothProfile.HEARING_AID);
+        mAdapter.getProfileProxy(mContext, mProfileServiceListener, BluetoothProfile.LE_AUDIO);
+    }
+
+    private final ServiceListener mProfileServiceListener = new ServiceListener() {
+        @Override
+        public void onServiceConnected(int profile, BluetoothProfile proxy) {
+            // Setup Bluetooth profile proxies
+            switch (profile) {
+                case BluetoothProfile.A2DP:
+                    mA2dp = (BluetoothA2dp) proxy;
+                    break;
+                case BluetoothProfile.HEARING_AID:
+                    mHearingAid = (BluetoothHearingAid) proxy;
+                    break;
+                case BluetoothProfile.LE_AUDIO:
+                    mLeAudio = (BluetoothLeAudio) proxy;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(int profile) {
+            // Clear Bluetooth profile proxies
+            switch (profile) {
+                case BluetoothProfile.A2DP:
+                    mA2dp = null;
+                    break;
+                case BluetoothProfile.HEARING_AID:
+                    mHearingAid = null;
+                    break;
+                case BluetoothProfile.LE_AUDIO:
+                    mLeAudio = null;
+                    break;
+                default:
+                    break;
+            }
+        }
+    };
+
+    @VisibleForTesting
+    public boolean isMediaProfileConnected() {
+        return isA2dpConnected() || isHearingAidConnected() || isLeAudioConnected();
+    }
+
+    @VisibleForTesting
+    public boolean isBluetoothOn() {
+        final BluetoothAdapter adapter = mAdapter;
+        if (adapter == null) {
+            return false;
+        }
+        return adapter.getLeState() == BluetoothAdapter.STATE_ON;
+    }
+
+    @VisibleForTesting
+    public boolean isAirplaneModeOn() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.AIRPLANE_MODE_ON, 0) == 1;
+    }
+
+    @VisibleForTesting
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED)
+    public void onAirplaneModeChanged(BluetoothManagerService managerService) {
+        managerService.onAirplaneModeChanged();
+    }
+
+    @VisibleForTesting
+    public int getSettingsInt(String name) {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                name, 0);
+    }
+
+    @VisibleForTesting
+    public void setSettingsInt(String name, int value) {
+        Settings.Global.putInt(mContext.getContentResolver(),
+                name, value);
+    }
+
+    @VisibleForTesting
+    public void showToastMessage() {
+        Resources r = mContext.getResources();
+        final CharSequence text = r.getString(
+                R.string.bluetooth_airplane_mode_toast, 0);
+        Toast.makeText(mContext, text, Toast.LENGTH_LONG).show();
+    }
+
+    private boolean isA2dpConnected() {
+        final BluetoothA2dp a2dp = mA2dp;
+        if (a2dp == null) {
+            return false;
+        }
+        return a2dp.getConnectedDevices().size() > 0;
+    }
+
+    private boolean isHearingAidConnected() {
+        final BluetoothHearingAid hearingAid = mHearingAid;
+        if (hearingAid == null) {
+            return false;
+        }
+        return hearingAid.getConnectedDevices().size() > 0;
+    }
+
+    private boolean isLeAudioConnected() {
+        final BluetoothLeAudio leAudio = mLeAudio;
+        if (leAudio == null) {
+            return false;
+        }
+        return leAudio.getConnectedDevices().size() > 0;
+    }
+}