1 files changed, 258 insertions, 0 deletions
diff --git a/src/com/android/settings/bluetooth/BluetoothSettings.java b/src/com/android/settings/bluetooth/BluetoothSettings.java
new file mode 100644
index 0000000..316e831
--- /dev/null
+++ b/src/com/android/settings/bluetooth/BluetoothSettings.java
@@ -0,0 +1,258 @@
+/*
+ * 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.ProgressCategory;
+import com.android.settings.R;
+import com.android.settings.bluetooth.LocalBluetoothManager.ExtendedBluetoothState;
+
+import java.util.List;
+import java.util.WeakHashMap;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceScreen;
+import android.view.ContextMenu;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.widget.AdapterView.AdapterContextMenuInfo;
+
+/**
+ * BluetoothSettings is the Settings screen for Bluetooth configuration and
+ * connection management.
+ */
+public class BluetoothSettings extends PreferenceActivity
+        implements LocalBluetoothManager.Callback {
+
+    private static final String TAG = "BluetoothSettings";
+
+    private static final int MENU_SCAN = Menu.FIRST;
+    
+    private static final String KEY_BT_CHECKBOX = "bt_checkbox";
+    private static final String KEY_BT_DISCOVERABLE = "bt_discoverable";
+    private static final String KEY_BT_DEVICE_LIST = "bt_device_list";
+    private static final String KEY_BT_NAME = "bt_name";
+    private static final String KEY_BT_SCAN = "bt_scan";
+    
+    private LocalBluetoothManager mLocalManager;
+    
+    private BluetoothEnabler mEnabler;
+    private BluetoothDiscoverableEnabler mDiscoverableEnabler;
+    
+    private BluetoothNamePreference mNamePreference;
+    
+    private ProgressCategory mDeviceList;
+    
+    private WeakHashMap<LocalBluetoothDevice, BluetoothDevicePreference> mDevicePreferenceMap =
+            new WeakHashMap<LocalBluetoothDevice, BluetoothDevicePreference>();
+    
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            // TODO: put this in callback instead of receiving
+            onBluetoothStateChanged(mLocalManager.getBluetoothState());
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mLocalManager = LocalBluetoothManager.getInstance(this);
+        if (mLocalManager == null) finish();        
+        
+        addPreferencesFromResource(R.xml.bluetooth_settings);
+        
+        mEnabler = new BluetoothEnabler(
+                this,
+                (CheckBoxPreference) findPreference(KEY_BT_CHECKBOX));
+        
+        mDiscoverableEnabler = new BluetoothDiscoverableEnabler(
+                this,
+                (CheckBoxPreference) findPreference(KEY_BT_DISCOVERABLE));
+    
+        mNamePreference = (BluetoothNamePreference) findPreference(KEY_BT_NAME);
+        
+        mDeviceList = (ProgressCategory) findPreference(KEY_BT_DEVICE_LIST);
+        
+        registerForContextMenu(getListView());
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        
+        // Repopulate (which isn't too bad since it's cached in the settings
+        // bluetooth manager
+        mDevicePreferenceMap.clear();
+        mDeviceList.removeAll();
+        addDevices();
+
+        mEnabler.resume();
+        mDiscoverableEnabler.resume();
+        mNamePreference.resume();
+        mLocalManager.registerCallback(this);
+        
+        mLocalManager.startScanning(false);
+
+        registerReceiver(mReceiver, 
+                new IntentFilter(LocalBluetoothManager.EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION));
+        
+        mLocalManager.setForegroundActivity(this);
+    }
+    
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        mLocalManager.setForegroundActivity(null);
+        
+        unregisterReceiver(mReceiver);
+        
+        mLocalManager.unregisterCallback(this);
+        mNamePreference.pause();
+        mDiscoverableEnabler.pause();
+        mEnabler.pause();
+    }
+
+    private void addDevices() {
+        List<LocalBluetoothDevice> devices = mLocalManager.getLocalDeviceManager().getDevicesCopy();
+        for (LocalBluetoothDevice device : devices) {
+            onDeviceAdded(device);
+        }
+    }
+    
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        menu.add(0, MENU_SCAN, 0, R.string.bluetooth_scan_for_devices)
+                .setIcon(R.drawable.ic_menu_refresh)
+                .setAlphabeticShortcut('r');
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        menu.findItem(MENU_SCAN).setEnabled(mLocalManager.getBluetoothManager().isEnabled());
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+        
+            case MENU_SCAN:
+                mLocalManager.startScanning(true);
+                return true;
+                
+            default:
+                return false;
+        }
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
+            Preference preference) {
+
+        if (KEY_BT_SCAN.equals(preference.getKey())) {
+            mLocalManager.startScanning(true);
+            return true;
+        }
+        
+        if (preference instanceof BluetoothDevicePreference) {
+            BluetoothDevicePreference btPreference = (BluetoothDevicePreference) preference;
+            btPreference.getDevice().onClicked();
+            return true;
+        }
+        
+        return super.onPreferenceTreeClick(preferenceScreen, preference);
+    }
+    
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v,
+            ContextMenuInfo menuInfo) {
+        LocalBluetoothDevice device = getDeviceFromMenuInfo(menuInfo);
+        if (device == null) return;
+        
+        device.onCreateContextMenu(menu);
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        LocalBluetoothDevice device = getDeviceFromMenuInfo(item.getMenuInfo());
+        if (device == null) return false;
+        
+        device.onContextItemSelected(item);
+        return true;
+    }
+
+    private LocalBluetoothDevice getDeviceFromMenuInfo(ContextMenuInfo menuInfo) {
+        if ((menuInfo == null) || !(menuInfo instanceof AdapterContextMenuInfo)) {
+            return null;
+        }
+        
+        AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
+        Preference pref = (Preference) getPreferenceScreen().getRootAdapter().getItem(
+                adapterMenuInfo.position);
+        if (pref == null || !(pref instanceof BluetoothDevicePreference)) {
+            return null;
+        }
+
+        return ((BluetoothDevicePreference) pref).getDevice();
+    }
+    
+    public void onDeviceAdded(LocalBluetoothDevice device) {
+
+        if (mDevicePreferenceMap.get(device) != null) {
+            throw new IllegalStateException("Got onDeviceAdded, but device already exists");
+        }
+        
+        createDevicePreference(device);            
+    }
+
+    private void createDevicePreference(LocalBluetoothDevice device) {
+        BluetoothDevicePreference preference = new BluetoothDevicePreference(this, device);
+        mDeviceList.addPreference(preference);
+        mDevicePreferenceMap.put(device, preference);
+    }
+    
+    public void onDeviceDeleted(LocalBluetoothDevice device) {
+        BluetoothDevicePreference preference = mDevicePreferenceMap.remove(device);
+        if (preference != null) {
+            mDeviceList.removePreference(preference);
+        }
+    }
+
+    public void onScanningStateChanged(boolean started) {
+        mDeviceList.setProgress(started);
+    }
+    
+    private void onBluetoothStateChanged(ExtendedBluetoothState bluetoothState) {
+        // When bluetooth is enabled (and we are in the activity, which we are),
+        // we should start a scan
+        if (bluetoothState == ExtendedBluetoothState.ENABLED) {
+            mLocalManager.startScanning(false);
+        }
+    }
+}