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/*
* Copyright (C) 2012 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.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothInputDevice;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.util.Log;
import com.android.settings.R;
import java.util.List;
/**
* HidProfile handles Bluetooth HID profile.
*/
final class HidProfile implements LocalBluetoothProfile {
private static final String TAG = "HidProfile";
private static boolean V = true;
private BluetoothInputDevice mService;
private boolean mIsProfileReady;
static final String NAME = "HID";
// Order of this profile in device profiles list
private static final int ORDINAL = 3;
// These callbacks run on the main thread.
private final class InputDeviceServiceListener
implements BluetoothProfile.ServiceListener {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
if (V) Log.d(TAG,"Bluetooth service connected");
mService = (BluetoothInputDevice) proxy;
mIsProfileReady=true;
}
public void onServiceDisconnected(int profile) {
if (V) Log.d(TAG,"Bluetooth service disconnected");
mIsProfileReady=false;
}
}
public boolean isProfileReady() {
return mIsProfileReady;
}
HidProfile(Context context, LocalBluetoothAdapter adapter) {
adapter.getProfileProxy(context, new InputDeviceServiceListener(),
BluetoothProfile.INPUT_DEVICE);
}
public boolean isConnectable() {
return true;
}
public boolean isAutoConnectable() {
return true;
}
public boolean connect(BluetoothDevice device) {
if (mService == null) return false;
return mService.connect(device);
}
public boolean disconnect(BluetoothDevice device) {
if (mService == null) return false;
return mService.disconnect(device);
}
public int getConnectionStatus(BluetoothDevice device) {
if (mService == null) {
return BluetoothProfile.STATE_DISCONNECTED;
}
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
return !deviceList.isEmpty() && deviceList.get(0).equals(device)
? mService.getConnectionState(device)
: BluetoothProfile.STATE_DISCONNECTED;
}
public boolean isPreferred(BluetoothDevice device) {
if (mService == null) return false;
return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF;
}
public int getPreferred(BluetoothDevice device) {
if (mService == null) return BluetoothProfile.PRIORITY_OFF;
return mService.getPriority(device);
}
public void setPreferred(BluetoothDevice device, boolean preferred) {
if (mService == null) return;
if (preferred) {
if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) {
mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
}
} else {
mService.setPriority(device, BluetoothProfile.PRIORITY_OFF);
}
}
public String toString() {
return NAME;
}
public int getOrdinal() {
return ORDINAL;
}
public int getNameResource(BluetoothDevice device) {
// TODO: distinguish between keyboard and mouse?
return R.string.bluetooth_profile_hid;
}
public int getSummaryResourceForDevice(BluetoothDevice device) {
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 Utils.getConnectionStateSummary(state);
}
}
public int getDrawableResource(BluetoothClass btClass) {
if (btClass == null) {
return R.drawable.ic_bt_keyboard_hid;
}
return getHidClassDrawable(btClass);
}
static int getHidClassDrawable(BluetoothClass btClass) {
switch (btClass.getDeviceClass()) {
case BluetoothClass.Device.PERIPHERAL_KEYBOARD:
case BluetoothClass.Device.PERIPHERAL_KEYBOARD_POINTING:
return R.drawable.ic_bt_keyboard_hid;
case BluetoothClass.Device.PERIPHERAL_POINTING:
return R.drawable.ic_bt_pointing_hid;
default:
return R.drawable.ic_bt_misc_hid;
}
}
protected void finalize() {
if (V) Log.d(TAG, "finalize()");
if (mService != null) {
try {
BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.INPUT_DEVICE,
mService);
mService = null;
}catch (Throwable t) {
Log.w(TAG, "Error cleaning up HID proxy", t);
}
}
}
}