Merge changes from topic "migrate-sc-bt" into sc-v2-dev-plus-aosp

* changes:
  Migrating BT files into packages/modules/Bluetooth
  Merge history of Bluetooth API from frameworks/base

1 files changed, 491 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothSap.java b/framework/java/android/bluetooth/BluetoothSap.java
new file mode 100644
index 0000000000..808fa39133
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothSap.java
@@ -0,0 +1,491 @@
+/*
+ * Copyright (C) 2008 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 android.bluetooth;
+
+import static android.bluetooth.BluetoothUtils.getSyncTimeout;
+
+import android.Manifest;
+import android.annotation.RequiresNoPermission;
+import android.annotation.RequiresPermission;
+import android.annotation.SdkConstant;
+import android.annotation.SdkConstant.SdkConstantType;
+import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
+import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
+import android.compat.annotation.UnsupportedAppUsage;
+import android.content.AttributionSource;
+import android.content.Context;
+import android.os.Build;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import com.android.modules.utils.SynchronousResultReceiver;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * This class provides the APIs to control the Bluetooth SIM
+ * Access Profile (SAP).
+ *
+ * <p>BluetoothSap is a proxy object for controlling the Bluetooth
+ * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
+ * the BluetoothSap proxy object.
+ *
+ * <p>Each method is protected with its appropriate permission.
+ *
+ * @hide
+ */
+public final class BluetoothSap implements BluetoothProfile {
+
+    private static final String TAG = "BluetoothSap";
+    private static final boolean DBG = true;
+    private static final boolean VDBG = false;
+
+    /**
+     * Intent used to broadcast the change in connection state of the profile.
+     *
+     * <p>This intent will have 4 extras:
+     * <ul>
+     * <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
+     * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
+     * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+     * </ul>
+     *
+     * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
+     * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},
+     * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.
+     *
+     * @hide
+     */
+    @RequiresLegacyBluetoothPermission
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_CONNECTION_STATE_CHANGED =
+            "android.bluetooth.sap.profile.action.CONNECTION_STATE_CHANGED";
+
+    /**
+     * There was an error trying to obtain the state.
+     *
+     * @hide
+     */
+    public static final int STATE_ERROR = -1;
+
+    /**
+     * Connection state change succceeded.
+     *
+     * @hide
+     */
+    public static final int RESULT_SUCCESS = 1;
+
+    /**
+     * Connection canceled before completion.
+     *
+     * @hide
+     */
+    public static final int RESULT_CANCELED = 2;
+
+    private final BluetoothAdapter mAdapter;
+    private final AttributionSource mAttributionSource;
+    private final BluetoothProfileConnector<IBluetoothSap> mProfileConnector =
+            new BluetoothProfileConnector(this, BluetoothProfile.SAP,
+                    "BluetoothSap", IBluetoothSap.class.getName()) {
+                @Override
+                public IBluetoothSap getServiceInterface(IBinder service) {
+                    return IBluetoothSap.Stub.asInterface(service);
+                }
+    };
+
+    /**
+     * Create a BluetoothSap proxy object.
+     */
+    /* package */ BluetoothSap(Context context, ServiceListener listener,
+            BluetoothAdapter adapter) {
+        if (DBG) Log.d(TAG, "Create BluetoothSap proxy object");
+        mAdapter = adapter;
+        mAttributionSource = adapter.getAttributionSource();
+        mProfileConnector.connect(context, listener);
+    }
+
+    protected void finalize() throws Throwable {
+        try {
+            close();
+        } finally {
+            super.finalize();
+        }
+    }
+
+    /**
+     * Close the connection to the backing service.
+     * Other public functions of BluetoothSap will return default error
+     * results once close() has been called. Multiple invocations of close()
+     * are ok.
+     *
+     * @hide
+     */
+    public synchronized void close() {
+        mProfileConnector.disconnect();
+    }
+
+    private IBluetoothSap getService() {
+        return mProfileConnector.getService();
+    }
+
+    /**
+     * Get the current state of the BluetoothSap service.
+     *
+     * @return One of the STATE_ return codes, or STATE_ERROR if this proxy object is currently not
+     * connected to the Sap service.
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+    public int getState() {
+        if (VDBG) log("getState()");
+        final IBluetoothSap service = getService();
+        final int defaultValue = BluetoothSap.STATE_ERROR;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled()) {
+            try {
+                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
+                service.getState(mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Get the currently connected remote Bluetooth device (PCE).
+     *
+     * @return The remote Bluetooth device, or null if not in connected or connecting state, or if
+     * this proxy object is not connected to the Sap service.
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+    public BluetoothDevice getClient() {
+        if (VDBG) log("getClient()");
+        final IBluetoothSap service = getService();
+        final BluetoothDevice defaultValue = null;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled()) {
+            try {
+                final SynchronousResultReceiver<BluetoothDevice> recv =
+                        new SynchronousResultReceiver();
+                service.getClient(mAttributionSource, recv);
+                return Attributable.setAttributionSource(
+                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
+                        mAttributionSource);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Returns true if the specified Bluetooth device is connected.
+     * Returns false if not connected, or if this proxy object is not
+     * currently connected to the Sap service.
+     *
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+    public boolean isConnected(BluetoothDevice device) {
+        if (VDBG) log("isConnected(" + device + ")");
+        final IBluetoothSap service = getService();
+        final boolean defaultValue = false;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled()) {
+            try {
+                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+                service.isConnected(device, mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Initiate connection. Initiation of outgoing connections is not
+     * supported for SAP server.
+     *
+     * @hide
+     */
+    @RequiresNoPermission
+    public boolean connect(BluetoothDevice device) {
+        if (DBG) log("connect(" + device + ")" + "not supported for SAPS");
+        return false;
+    }
+
+    /**
+     * Initiate disconnect.
+     *
+     * @param device Remote Bluetooth Device
+     * @return false on error, true otherwise
+     * @hide
+     */
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+    public boolean disconnect(BluetoothDevice device) {
+        if (DBG) log("disconnect(" + device + ")");
+        final IBluetoothSap service = getService();
+        final boolean defaultValue = false;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled() && isValidDevice(device)) {
+            try {
+                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+                service.disconnect(device, mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Get the list of connected devices. Currently at most one.
+     *
+     * @return list of connected devices
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
+    public List<BluetoothDevice> getConnectedDevices() {
+        if (DBG) log("getConnectedDevices()");
+        final IBluetoothSap service = getService();
+        final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled()) {
+            try {
+                final SynchronousResultReceiver<List<BluetoothDevice>> recv =
+                        new SynchronousResultReceiver();
+                service.getConnectedDevices(mAttributionSource, recv);
+                return Attributable.setAttributionSource(
+                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
+                        mAttributionSource);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Get the list of devices matching specified states. Currently at most one.
+     *
+     * @return list of matching devices
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
+    public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
+        if (DBG) log("getDevicesMatchingStates()");
+        final IBluetoothSap service = getService();
+        final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled()) {
+            try {
+                final SynchronousResultReceiver<List<BluetoothDevice>> recv =
+                        new SynchronousResultReceiver();
+                service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
+                return Attributable.setAttributionSource(
+                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
+                        mAttributionSource);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Get connection state of device
+     *
+     * @return device connection state
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
+    public int getConnectionState(BluetoothDevice device) {
+        if (DBG) log("getConnectionState(" + device + ")");
+        final IBluetoothSap service = getService();
+        final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled() && isValidDevice(device)) {
+            try {
+                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
+                service.getConnectionState(device, mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Set priority of the profile
+     *
+     * <p> The device should already be paired.
+     * Priority can be one of {@link #PRIORITY_ON} or {@link #PRIORITY_OFF},
+     *
+     * @param device Paired bluetooth device
+     * @param priority
+     * @return true if priority is set, false on error
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(allOf = {
+            android.Manifest.permission.BLUETOOTH_CONNECT,
+            android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+    })
+    public boolean setPriority(BluetoothDevice device, int priority) {
+        if (DBG) log("setPriority(" + device + ", " + priority + ")");
+        return setConnectionPolicy(device, BluetoothAdapter.priorityToConnectionPolicy(priority));
+    }
+
+    /**
+     * Set connection policy of the profile
+     *
+     * <p> The device should already be paired.
+     * Connection policy can be one of {@link #CONNECTION_POLICY_ALLOWED},
+     * {@link #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN}
+     *
+     * @param device Paired bluetooth device
+     * @param connectionPolicy is the connection policy to set to for this profile
+     * @return true if connectionPolicy is set, false on error
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(allOf = {
+            android.Manifest.permission.BLUETOOTH_CONNECT,
+            android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+    })
+    public boolean setConnectionPolicy(BluetoothDevice device,
+            @ConnectionPolicy int connectionPolicy) {
+        if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
+        final IBluetoothSap service = getService();
+        final boolean defaultValue = false;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled() && isValidDevice(device)
+                && (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
+                    || connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
+            try {
+                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+                service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    /**
+     * Get the priority of the profile.
+     *
+     * <p> The priority can be any of:
+     * {@link #PRIORITY_OFF}, {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED}
+     *
+     * @param device Bluetooth device
+     * @return priority of the device
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(allOf = {
+            android.Manifest.permission.BLUETOOTH_CONNECT,
+            android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+    })
+    public int getPriority(BluetoothDevice device) {
+        if (VDBG) log("getPriority(" + device + ")");
+        return BluetoothAdapter.connectionPolicyToPriority(getConnectionPolicy(device));
+    }
+
+    /**
+     * Get the connection policy of the profile.
+     *
+     * <p> The connection policy can be any of:
+     * {@link #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN},
+     * {@link #CONNECTION_POLICY_UNKNOWN}
+     *
+     * @param device Bluetooth device
+     * @return connection policy of the device
+     * @hide
+     */
+    @RequiresBluetoothConnectPermission
+    @RequiresPermission(allOf = {
+            android.Manifest.permission.BLUETOOTH_CONNECT,
+            android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+    })
+    public @ConnectionPolicy int getConnectionPolicy(BluetoothDevice device) {
+        if (VDBG) log("getConnectionPolicy(" + device + ")");
+        final IBluetoothSap service = getService();
+        final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
+        if (service == null) {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) log(Log.getStackTraceString(new Throwable()));
+        } else if (isEnabled() && isValidDevice(device)) {
+            try {
+                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
+                service.getConnectionPolicy(device, mAttributionSource, recv);
+                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+            } catch (RemoteException | TimeoutException e) {
+                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+            }
+        }
+        return defaultValue;
+    }
+
+    private static void log(String msg) {
+        Log.d(TAG, msg);
+    }
+
+    private boolean isEnabled() {
+        return mAdapter.isEnabled();
+    }
+
+    private static boolean isValidDevice(BluetoothDevice device) {
+        return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress());
+    }
+}