diff options
Diffstat (limited to 'src/com/android/settings/bluetooth/LocalBluetoothManager.java')
| -rw-r--r-- | src/com/android/settings/bluetooth/LocalBluetoothManager.java | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/src/com/android/settings/bluetooth/LocalBluetoothManager.java b/src/com/android/settings/bluetooth/LocalBluetoothManager.java deleted file mode 100644 index 4fd708e..0000000 --- a/src/com/android/settings/bluetooth/LocalBluetoothManager.java +++ /dev/null @@ -1,256 +0,0 @@ -/* - * 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 com.android.settings.bluetooth; - -import com.android.settings.R; - -import java.util.ArrayList; -import java.util.List; - -import android.app.Activity; -import android.app.AlertDialog; -import android.bluetooth.BluetoothDevice; -import android.content.Context; -import android.content.Intent; -import android.content.SharedPreferences; -import android.util.Log; -import android.widget.Toast; - -// TODO: have some notion of shutting down. Maybe a minute after they leave BT settings? -/** - * LocalBluetoothManager provides a simplified interface on top of a subset of - * the Bluetooth API. - */ -public class LocalBluetoothManager { - private static final String TAG = "LocalBluetoothManager"; - static final boolean V = true; - - public static final String EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION = - "com.android.settings.bluetooth.intent.action.EXTENDED_BLUETOOTH_STATE_CHANGED"; - private static final String SHARED_PREFERENCES_NAME = "bluetooth_settings"; - - private static LocalBluetoothManager INSTANCE; - /** Used when obtaining a reference to the singleton instance. */ - private static Object INSTANCE_LOCK = new Object(); - private boolean mInitialized; - - private Context mContext; - /** If a BT-related activity is in the foreground, this will be it. */ - private Activity mForegroundActivity; - - private BluetoothDevice mManager; - - private LocalBluetoothDeviceManager mLocalDeviceManager; - private BluetoothEventRedirector mEventRedirector; - - public static enum ExtendedBluetoothState { ENABLED, ENABLING, DISABLED, DISABLING, UNKNOWN } - private ExtendedBluetoothState mState = ExtendedBluetoothState.UNKNOWN; - - private List<Callback> mCallbacks = new ArrayList<Callback>(); - - private static final int SCAN_EXPIRATION_MS = 5 * 60 * 1000; // 5 mins - private long mLastScan; - - public static LocalBluetoothManager getInstance(Context context) { - synchronized (INSTANCE_LOCK) { - if (INSTANCE == null) { - INSTANCE = new LocalBluetoothManager(); - } - - if (!INSTANCE.init(context)) { - return null; - } - - return INSTANCE; - } - } - - private boolean init(Context context) { - if (mInitialized) return true; - mInitialized = true; - - // This will be around as long as this process is - mContext = context.getApplicationContext(); - - mManager = (BluetoothDevice) context.getSystemService(Context.BLUETOOTH_SERVICE); - if (mManager == null) { - return false; - } - - mLocalDeviceManager = new LocalBluetoothDeviceManager(this); - - mEventRedirector = new BluetoothEventRedirector(this); - mEventRedirector.start(); - - return true; - } - - public BluetoothDevice getBluetoothManager() { - return mManager; - } - - public Context getContext() { - return mContext; - } - - public Activity getForegroundActivity() { - return mForegroundActivity; - } - - public void setForegroundActivity(Activity activity) { - mForegroundActivity = activity; - } - - public SharedPreferences getSharedPreferences() { - return mContext.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE); - } - - public LocalBluetoothDeviceManager getLocalDeviceManager() { - return mLocalDeviceManager; - } - - List<Callback> getCallbacks() { - return mCallbacks; - } - - public void registerCallback(Callback callback) { - synchronized (mCallbacks) { - mCallbacks.add(callback); - } - } - - public void unregisterCallback(Callback callback) { - synchronized (mCallbacks) { - mCallbacks.remove(callback); - } - } - - public void startScanning(boolean force) { - if (mManager.isDiscovering()) { - /* - * Already discovering, but give the callback that information. - * Note: we only call the callbacks, not the same path as if the - * scanning state had really changed (in that case the device - * manager would clear its list of unpaired scanned devices). - */ - dispatchScanningStateChanged(true); - } else { - - // Don't scan more than frequently than SCAN_EXPIRATION_MS, unless forced - if (!force && mLastScan + SCAN_EXPIRATION_MS > System.currentTimeMillis()) return; - - if (mManager.startDiscovery(true)) { - mLastScan = System.currentTimeMillis(); - } - } - } - - public ExtendedBluetoothState getBluetoothState() { - - if (mState == ExtendedBluetoothState.UNKNOWN) { - syncBluetoothState(); - } - - return mState; - } - - void setBluetoothStateInt(ExtendedBluetoothState state) { - mState = state; - - /* - * TODO: change to callback method. originally it was broadcast to - * parallel the framework's method, but it just complicates things here. - */ - // If this were a real API, I'd add as an extra - mContext.sendBroadcast(new Intent(EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION)); - - if (state == ExtendedBluetoothState.ENABLED || state == ExtendedBluetoothState.DISABLED) { - mLocalDeviceManager.onBluetoothStateChanged(state == ExtendedBluetoothState.ENABLED); - } - } - - private void syncBluetoothState() { - setBluetoothStateInt(mManager.isEnabled() - ? ExtendedBluetoothState.ENABLED - : ExtendedBluetoothState.DISABLED); - } - - public void setBluetoothEnabled(boolean enabled) { - boolean wasSetStateSuccessful = enabled - ? mManager.enable() - : mManager.disable(); - - if (wasSetStateSuccessful) { - setBluetoothStateInt(enabled - ? ExtendedBluetoothState.ENABLING - : ExtendedBluetoothState.DISABLING); - } else { - if (V) { - Log.v(TAG, - "setBluetoothEnabled call, manager didn't return success for enabled: " - + enabled); - } - - syncBluetoothState(); - } - } - - /** - * @param started True if scanning started, false if scanning finished. - */ - void onScanningStateChanged(boolean started) { - // TODO: have it be a callback (once we switch bluetooth state changed to callback) - mLocalDeviceManager.onScanningStateChanged(started); - dispatchScanningStateChanged(started); - } - - private void dispatchScanningStateChanged(boolean started) { - synchronized (mCallbacks) { - for (Callback callback : mCallbacks) { - callback.onScanningStateChanged(started); - } - } - } - - public void showError(String address, int titleResId, int messageResId) { - LocalBluetoothDevice device = mLocalDeviceManager.findDevice(address); - if (device == null) return; - - String name = device.getName(); - String message = mContext.getString(messageResId, name); - - if (mForegroundActivity != null) { - // Need an activity context to show a dialog - AlertDialog ad = new AlertDialog.Builder(mForegroundActivity) - .setIcon(android.R.drawable.ic_dialog_alert) - .setTitle(titleResId) - .setMessage(message) - .setPositiveButton(android.R.string.ok, null) - .show(); - } else { - // Fallback on a toast - Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show(); - } - } - - public interface Callback { - void onScanningStateChanged(boolean started); - void onDeviceAdded(LocalBluetoothDevice device); - void onDeviceDeleted(LocalBluetoothDevice device); - } - -} |