| /* |
| * 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.settings.bluetooth; |
| |
| import android.app.AlertDialog; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.res.Resources; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.DrawableRes; |
| import android.support.annotation.IdRes; |
| import android.support.annotation.VisibleForTesting; |
| import android.util.Pair; |
| import android.widget.Toast; |
| |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.settings.R; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.bluetooth.HidProfile; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager.BluetoothManagerCallback; |
| import com.android.settingslib.bluetooth.LocalBluetoothProfile; |
| import com.android.settingslib.bluetooth.Utils.ErrorListener; |
| import com.android.settingslib.graph.BluetoothDeviceLayerDrawable; |
| |
| import java.util.List; |
| |
| /** |
| * Utils is a helper class that contains constants for various |
| * Android resource IDs, debug logging flags, and static methods |
| * for creating dialogs. |
| */ |
| public final class Utils { |
| static final boolean V = com.android.settingslib.bluetooth.Utils.V; // verbose logging |
| static final boolean D = com.android.settingslib.bluetooth.Utils.D; // regular logging |
| |
| private Utils() { |
| } |
| |
| public static int getConnectionStateSummary(int connectionState) { |
| switch (connectionState) { |
| case BluetoothProfile.STATE_CONNECTED: |
| return R.string.bluetooth_connected; |
| case BluetoothProfile.STATE_CONNECTING: |
| return R.string.bluetooth_connecting; |
| case BluetoothProfile.STATE_DISCONNECTED: |
| return R.string.bluetooth_disconnected; |
| case BluetoothProfile.STATE_DISCONNECTING: |
| return R.string.bluetooth_disconnecting; |
| default: |
| return 0; |
| } |
| } |
| |
| // Create (or recycle existing) and show disconnect dialog. |
| static AlertDialog showDisconnectDialog(Context context, |
| AlertDialog dialog, |
| DialogInterface.OnClickListener disconnectListener, |
| CharSequence title, CharSequence message) { |
| if (dialog == null) { |
| dialog = new AlertDialog.Builder(context) |
| .setPositiveButton(android.R.string.ok, disconnectListener) |
| .setNegativeButton(android.R.string.cancel, null) |
| .create(); |
| } else { |
| if (dialog.isShowing()) { |
| dialog.dismiss(); |
| } |
| // use disconnectListener for the correct profile(s) |
| CharSequence okText = context.getText(android.R.string.ok); |
| dialog.setButton(DialogInterface.BUTTON_POSITIVE, |
| okText, disconnectListener); |
| } |
| dialog.setTitle(title); |
| dialog.setMessage(message); |
| dialog.show(); |
| return dialog; |
| } |
| |
| // TODO: wire this up to show connection errors... |
| static void showConnectingError(Context context, String name) { |
| showConnectingError(context, name, getLocalBtManager(context)); |
| } |
| |
| @VisibleForTesting |
| static void showConnectingError(Context context, String name, LocalBluetoothManager manager) { |
| FeatureFactory.getFactory(context).getMetricsFeatureProvider().visible(context, |
| MetricsEvent.VIEW_UNKNOWN, MetricsEvent.ACTION_SETTINGS_BLUETOOTH_CONNECT_ERROR); |
| showError(context, name, R.string.bluetooth_connecting_error_message, manager); |
| } |
| |
| static void showError(Context context, String name, int messageResId) { |
| showError(context, name, messageResId, getLocalBtManager(context)); |
| } |
| |
| private static void showError(Context context, String name, int messageResId, |
| LocalBluetoothManager manager) { |
| String message = context.getString(messageResId, name); |
| Context activity = manager.getForegroundActivity(); |
| if (manager.isForegroundActivity()) { |
| new AlertDialog.Builder(activity) |
| .setTitle(R.string.bluetooth_error_title) |
| .setMessage(message) |
| .setPositiveButton(android.R.string.ok, null) |
| .show(); |
| } else { |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| } |
| } |
| |
| public static LocalBluetoothManager getLocalBtManager(Context context) { |
| return LocalBluetoothManager.getInstance(context, mOnInitCallback); |
| } |
| |
| public static String createRemoteName(Context context, BluetoothDevice device) { |
| String mRemoteName = device != null ? device.getAliasName() : null; |
| |
| if (mRemoteName == null) { |
| mRemoteName = context.getString(R.string.unknown); |
| } |
| return mRemoteName; |
| } |
| |
| private static final ErrorListener mErrorListener = new ErrorListener() { |
| @Override |
| public void onShowError(Context context, String name, int messageResId) { |
| showError(context, name, messageResId); |
| } |
| }; |
| |
| private static final BluetoothManagerCallback mOnInitCallback = new BluetoothManagerCallback() { |
| @Override |
| public void onBluetoothManagerInitialized(Context appContext, |
| LocalBluetoothManager bluetoothManager) { |
| com.android.settingslib.bluetooth.Utils.setErrorListener(mErrorListener); |
| } |
| }; |
| |
| static Pair<Drawable, String> getBtClassDrawableWithDescription(Context context, |
| CachedBluetoothDevice cachedDevice) { |
| return getBtClassDrawableWithDescription(context, cachedDevice, 1 /* iconScale */); |
| } |
| |
| static Pair<Drawable, String> getBtClassDrawableWithDescription(Context context, |
| CachedBluetoothDevice cachedDevice, float iconScale) { |
| BluetoothClass btClass = cachedDevice.getBtClass(); |
| final int level = cachedDevice.getBatteryLevel(); |
| if (btClass != null) { |
| switch (btClass.getMajorDeviceClass()) { |
| case BluetoothClass.Device.Major.COMPUTER: |
| return new Pair<>(getBluetoothDrawable(context, R.drawable.ic_bt_laptop, level, |
| iconScale), |
| context.getString(R.string.bluetooth_talkback_computer)); |
| |
| case BluetoothClass.Device.Major.PHONE: |
| return new Pair<>( |
| getBluetoothDrawable(context, R.drawable.ic_bt_cellphone, level, |
| iconScale), |
| context.getString(R.string.bluetooth_talkback_phone)); |
| |
| case BluetoothClass.Device.Major.PERIPHERAL: |
| return new Pair<>( |
| getBluetoothDrawable(context, HidProfile.getHidClassDrawable(btClass), |
| level, iconScale), |
| context.getString(R.string.bluetooth_talkback_input_peripheral)); |
| |
| case BluetoothClass.Device.Major.IMAGING: |
| return new Pair<>( |
| getBluetoothDrawable(context, R.drawable.ic_settings_print, level, |
| iconScale), |
| context.getString(R.string.bluetooth_talkback_imaging)); |
| |
| default: |
| // unrecognized device class; continue |
| } |
| } |
| |
| List<LocalBluetoothProfile> profiles = cachedDevice.getProfiles(); |
| for (LocalBluetoothProfile profile : profiles) { |
| int resId = profile.getDrawableResource(btClass); |
| if (resId != 0) { |
| return new Pair<>(getBluetoothDrawable(context, resId, level, iconScale), null); |
| } |
| } |
| if (btClass != null) { |
| if (btClass.doesClassMatch(BluetoothClass.PROFILE_HEADSET)) { |
| return new Pair<>( |
| getBluetoothDrawable(context, R.drawable.ic_bt_headset_hfp, level, |
| iconScale), |
| context.getString(R.string.bluetooth_talkback_headset)); |
| } |
| if (btClass.doesClassMatch(BluetoothClass.PROFILE_A2DP)) { |
| return new Pair<>( |
| getBluetoothDrawable(context, R.drawable.ic_bt_headphones_a2dp, level, |
| iconScale), |
| context.getString(R.string.bluetooth_talkback_headphone)); |
| } |
| } |
| return new Pair<>( |
| getBluetoothDrawable(context, R.drawable.ic_settings_bluetooth, level, iconScale), |
| context.getString(R.string.bluetooth_talkback_bluetooth)); |
| } |
| |
| @VisibleForTesting |
| static Drawable getBluetoothDrawable(Context context, @DrawableRes int resId, |
| int batteryLevel, float iconScale) { |
| if (batteryLevel != BluetoothDevice.BATTERY_LEVEL_UNKNOWN) { |
| return BluetoothDeviceLayerDrawable.createLayerDrawable(context, resId, batteryLevel, |
| iconScale); |
| } else if (resId != 0) { |
| return context.getDrawable(resId); |
| } else { |
| return null; |
| } |
| } |
| } |
