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/*
* 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.settingslib.bluetooth;
import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHidDevice;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.util.Log;
import com.android.settingslib.R;
import java.util.List;
/**
* HidDeviceProfile handles Bluetooth HID Device role
*/
public class HidDeviceProfile implements LocalBluetoothProfile {
private static final String TAG = "HidDeviceProfile";
// Order of this profile in device profiles list
private static final int ORDINAL = 18;
// HID Device Profile is always preferred.
private static final int PREFERRED_VALUE = -1;
private final CachedBluetoothDeviceManager mDeviceManager;
private final LocalBluetoothProfileManager mProfileManager;
static final String NAME = "HID DEVICE";
private BluetoothHidDevice mService;
private boolean mIsProfileReady;
HidDeviceProfile(Context context,CachedBluetoothDeviceManager deviceManager,
LocalBluetoothProfileManager profileManager) {
mDeviceManager = deviceManager;
mProfileManager = profileManager;
BluetoothAdapter.getDefaultAdapter().getProfileProxy(context,
new HidDeviceServiceListener(), BluetoothProfile.HID_DEVICE);
}
// These callbacks run on the main thread.
private final class HidDeviceServiceListener
implements BluetoothProfile.ServiceListener {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
mService = (BluetoothHidDevice) proxy;
// We just bound to the service, so refresh the UI for any connected HID devices.
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
for (BluetoothDevice nextDevice : deviceList) {
CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice);
// we may add a new device here, but generally this should not happen
if (device == null) {
Log.w(TAG, "HidProfile found new device: " + nextDevice);
device = mDeviceManager.addDevice(nextDevice);
}
Log.d(TAG, "Connection status changed: " + device);
device.onProfileStateChanged(HidDeviceProfile.this,
BluetoothProfile.STATE_CONNECTED);
device.refresh();
}
mIsProfileReady = true;
}
public void onServiceDisconnected(int profile) {
mIsProfileReady = false;
}
}
@Override
public boolean isProfileReady() {
return mIsProfileReady;
}
@Override
public int getProfileId() {
return BluetoothProfile.HID_DEVICE;
}
@Override
public boolean accessProfileEnabled() {
return true;
}
@Override
public boolean isAutoConnectable() {
return false;
}
@Override
public int getConnectionStatus(BluetoothDevice device) {
if (mService == null) {
return BluetoothProfile.STATE_DISCONNECTED;
}
return mService.getConnectionState(device);
}
@Override
public boolean isEnabled(BluetoothDevice device) {
return getConnectionStatus(device) != BluetoothProfile.STATE_DISCONNECTED;
}
@Override
public int getConnectionPolicy(BluetoothDevice device) {
return PREFERRED_VALUE;
}
@Override
public boolean setEnabled(BluetoothDevice device, boolean enabled) {
boolean isEnabled = false;
// if set preferred to false, then disconnect to the current device
if (!enabled) {
isEnabled = mService.setConnectionPolicy(device, CONNECTION_POLICY_FORBIDDEN);
}
return isEnabled;
}
@Override
public String toString() {
return NAME;
}
@Override
public int getOrdinal() {
return ORDINAL;
}
@Override
public int getNameResource(BluetoothDevice device) {
return R.string.bluetooth_profile_hid;
}
@Override
public int getSummaryResourceForDevice(BluetoothDevice device) {
final int state = getConnectionStatus(device);
switch (state) {
case BluetoothProfile.STATE_DISCONNECTED:
return R.string.bluetooth_hid_profile_summary_use_for;
case BluetoothProfile.STATE_CONNECTED:
return R.string.bluetooth_hid_profile_summary_connected;
default:
return BluetoothUtils.getConnectionStateSummary(state);
}
}
@Override
public int getDrawableResource(BluetoothClass btClass) {
return com.android.internal.R.drawable.ic_bt_misc_hid;
}
protected void finalize() {
Log.d(TAG, "finalize()");
if (mService != null) {
try {
BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.HID_DEVICE,
mService);
mService = null;
} catch (Throwable t) {
Log.w(TAG, "Error cleaning up HID proxy", t);
}
}
}
}
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