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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.settingslib.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHidHost;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.util.Log;
import com.android.settingslib.R;
import java.util.List;
/**
* HidProfile handles Bluetooth HID Host role.
*/
public class HidProfile implements LocalBluetoothProfile {
private static final String TAG = "HidProfile";
private BluetoothHidHost mService;
private boolean mIsProfileReady;
private final CachedBluetoothDeviceManager mDeviceManager;
private final LocalBluetoothProfileManager mProfileManager;
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 HidHostServiceListener
implements BluetoothProfile.ServiceListener {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
mService = (BluetoothHidHost) proxy;
// We just bound to the service, so refresh the UI for any connected HID devices.
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
while (!deviceList.isEmpty()) {
BluetoothDevice nextDevice = deviceList.remove(0);
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);
}
device.onProfileStateChanged(HidProfile.this, BluetoothProfile.STATE_CONNECTED);
device.refresh();
}
mIsProfileReady=true;
}
public void onServiceDisconnected(int profile) {
mIsProfileReady=false;
}
}
public boolean isProfileReady() {
return mIsProfileReady;
}
@Override
public int getProfileId() {
return BluetoothProfile.HID_HOST;
}
HidProfile(Context context,
CachedBluetoothDeviceManager deviceManager,
LocalBluetoothProfileManager profileManager) {
mDeviceManager = deviceManager;
mProfileManager = profileManager;
BluetoothAdapter.getDefaultAdapter().getProfileProxy(context, new HidHostServiceListener(),
BluetoothProfile.HID_HOST);
}
public boolean accessProfileEnabled() {
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;
}
return mService.getConnectionState(device);
}
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 BluetoothUtils.getConnectionStateSummary(state);
}
}
public int getDrawableResource(BluetoothClass btClass) {
if (btClass == null) {
return com.android.internal.R.drawable.ic_lockscreen_ime;
}
return getHidClassDrawable(btClass);
}
public static int getHidClassDrawable(BluetoothClass btClass) {
switch (btClass.getDeviceClass()) {
case BluetoothClass.Device.PERIPHERAL_KEYBOARD:
case BluetoothClass.Device.PERIPHERAL_KEYBOARD_POINTING:
return com.android.internal.R.drawable.ic_lockscreen_ime;
case BluetoothClass.Device.PERIPHERAL_POINTING:
return com.android.internal.R.drawable.ic_bt_pointing_hid;
default:
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_HOST,
mService);
mService = null;
}catch (Throwable t) {
Log.w(TAG, "Error cleaning up HID proxy", t);
}
}
}
}
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