diff options
Diffstat (limited to 'packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothManager.java')
-rw-r--r-- | packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothManager.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothManager.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothManager.java new file mode 100644 index 0000000..4adc62e --- /dev/null +++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothManager.java @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2011 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.content.Context; +import android.util.Log; + +/** + * LocalBluetoothManager provides a simplified interface on top of a subset of + * the Bluetooth API. Note that {@link #getInstance} will return null + * if there is no Bluetooth adapter on this device, and callers must be + * prepared to handle this case. + */ +public final class LocalBluetoothManager { + private static final String TAG = "LocalBluetoothManager"; + + /** Singleton instance. */ + private static LocalBluetoothManager sInstance; + + private final Context mContext; + + /** If a BT-related activity is in the foreground, this will be it. */ + private Context mForegroundActivity; + + private final LocalBluetoothAdapter mLocalAdapter; + + private final CachedBluetoothDeviceManager mCachedDeviceManager; + + /** The Bluetooth profile manager. */ + private final LocalBluetoothProfileManager mProfileManager; + + /** The broadcast receiver event manager. */ + private final BluetoothEventManager mEventManager; + + public static synchronized LocalBluetoothManager getInstance(Context context, + BluetoothManagerCallback onInitCallback) { + if (sInstance == null) { + LocalBluetoothAdapter adapter = LocalBluetoothAdapter.getInstance(); + if (adapter == null) { + return null; + } + // This will be around as long as this process is + Context appContext = context.getApplicationContext(); + sInstance = new LocalBluetoothManager(adapter, appContext); + if (onInitCallback != null) { + onInitCallback.onBluetoothManagerInitialized(appContext, sInstance); + } + } + + return sInstance; + } + + private LocalBluetoothManager(LocalBluetoothAdapter adapter, Context context) { + mContext = context; + mLocalAdapter = adapter; + + mCachedDeviceManager = new CachedBluetoothDeviceManager(context); + mEventManager = new BluetoothEventManager(mLocalAdapter, + mCachedDeviceManager, context); + mProfileManager = new LocalBluetoothProfileManager(context, + mLocalAdapter, mCachedDeviceManager, mEventManager); + } + + public LocalBluetoothAdapter getBluetoothAdapter() { + return mLocalAdapter; + } + + public Context getContext() { + return mContext; + } + + public Context getForegroundActivity() { + return mForegroundActivity; + } + + public boolean isForegroundActivity() { + return mForegroundActivity != null; + } + + public synchronized void setForegroundActivity(Context context) { + if (context != null) { + Log.d(TAG, "setting foreground activity to non-null context"); + mForegroundActivity = context; + } else { + if (mForegroundActivity != null) { + Log.d(TAG, "setting foreground activity to null"); + mForegroundActivity = null; + } + } + } + + public CachedBluetoothDeviceManager getCachedDeviceManager() { + return mCachedDeviceManager; + } + + public BluetoothEventManager getEventManager() { + return mEventManager; + } + + public LocalBluetoothProfileManager getProfileManager() { + return mProfileManager; + } + + public interface BluetoothManagerCallback { + void onBluetoothManagerInitialized(Context appContext, + LocalBluetoothManager bluetoothManager); + } +} |