| package com.android.settingslib.bluetooth; |
| |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.DrawableRes; |
| import android.util.Pair; |
| |
| import com.android.settingslib.R; |
| import com.android.settingslib.graph.BluetoothDeviceLayerDrawable; |
| |
| import java.util.List; |
| |
| public class Utils { |
| public static final boolean V = false; // verbose logging |
| public static final boolean D = true; // regular logging |
| |
| private static ErrorListener sErrorListener; |
| |
| 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; |
| } |
| } |
| |
| static void showError(Context context, String name, int messageResId) { |
| if (sErrorListener != null) { |
| sErrorListener.onShowError(context, name, messageResId); |
| } |
| } |
| |
| public static void setErrorListener(ErrorListener listener) { |
| sErrorListener = listener; |
| } |
| |
| public interface ErrorListener { |
| void onShowError(Context context, String name, int messageResId); |
| } |
| |
| public static Pair<Drawable, String> getBtClassDrawableWithDescription(Context context, |
| CachedBluetoothDevice cachedDevice) { |
| return getBtClassDrawableWithDescription(context, cachedDevice, 1 /* iconScale */); |
| } |
| |
| public 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)); |
| } |
| |
| public 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 { |
| return context.getDrawable(resId); |
| } |
| } |
| } |