diff options
Diffstat (limited to 'SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java')
| -rw-r--r-- | SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java b/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java deleted file mode 100644 index 02f76bf..0000000 --- a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java +++ /dev/null @@ -1,277 +0,0 @@ -/* - * Copyright (C) 2017 Google Inc. - * - * 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.car.setupwizard.bluetooth; - -import android.bluetooth.BluetoothClass.Device; -import android.bluetooth.BluetoothDevice; -import android.content.Context; -import android.content.res.ColorStateList; -import android.content.res.TypedArray; -import android.graphics.drawable.Drawable; -import android.support.annotation.DrawableRes; -import android.support.annotation.IntDef; -import android.support.annotation.Nullable; -import android.support.annotation.VisibleForTesting; -import android.text.TextUtils; -import android.util.AttributeSet; -import android.util.Log; -import android.view.View; - -import com.android.car.setupwizard.R; - -import com.android.setupwizardlib.items.AbstractItemHierarchy; -import com.android.setupwizardlib.items.IItem; -import com.android.setupwizardlib.items.Item; -import com.android.setupwizardlib.items.ItemHierarchy; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; - -/** - * An item hierarchy that represents a list of Bluetooth devices. - */ -public class BluetoothDeviceHierarchy extends AbstractItemHierarchy { - private static final String TAG = "BtDeviceHierarchy"; - - /** - * A set of all discovered bluetooth devices. The key of this map is the device's MAC address. - */ - private final HashMap<String, BluetoothItem> mItems = new HashMap<>(); - - /** - * A list of all discovered bluetooth devices' MAC addresses. This list is sorted in the order - * that the devices were discovered in. - */ - private final List<String> mAddresses = new ArrayList<>(); - - public BluetoothDeviceHierarchy(Context context, AttributeSet attrs) { - super(context, attrs); - } - - /** - * Clears the current list of all bluetooth devices. - */ - public void clearAllDevices() { - mItems.clear(); - mAddresses.clear(); - notifyChanged(); - } - - /** - * Adds the given {@link BluetoothDevice} to be displayed. If the device has already been - * added before, its information is updated based on the given {@code BluetoothDevice}. - */ - public void addOrUpdateDevice(Context context, @Nullable BluetoothDevice device) { - if (device == null) { - return; - } - - String address = device.getAddress(); - BluetoothItem item; - - if (mItems.containsKey(address)) { - item = mItems.get(address); - } else { - // First time encountering this address, so keep track of it. - mAddresses.add(address); - - int id = View.generateViewId(); - if (id >= 0x00ffffff) { - // View.generateViewId returns an incrementing number from 1 to 0x00ffffff. - // Since we are generating view IDs without recycling, it is theoretically possible - // for the ID space to run out if the user encounters enough bluetooth devices. - // Just log if this happens. - Log.e(TAG, "Ran out of IDs to use for bluetooth item IDs"); - } - item = new BluetoothItem(id); - } - - item.update(context, device); - mItems.put(address, item); - - notifyChanged(); - } - - @Override - public ItemHierarchy findItemById(int id) { - if (id == getId()) { - return this; - } - - // Child items have generated hash code IDs. Don't try to find those. - return null; - } - - @Override - public int getCount() { - return mItems.size(); - } - - @Override - public IItem getItemAt(int position) { - return mItems.get(mAddresses.get(position)); - } - - /** - * A {@link Item} that is linked to a particular {@link BluetoothDevice} and is responsible - * for binding this information to a View to be displayed. - */ - public static class BluetoothItem extends Item { - private BluetoothDevice mDevice; - - /** - * Whether or not the icon for this particular BluetoothDevice has been updated to reflect - * the type of Bluetooth device this is. - */ - private boolean mIconUpdated; - - public static final int CONNECTION_STATE_DISCONNECTING = 0; - public static final int CONNECTION_STATE_CONNECTING = 1; - public static final int CONNECTION_STATE_CANCELLING = 2; - - @IntDef({ - CONNECTION_STATE_DISCONNECTING, - CONNECTION_STATE_CONNECTING, - CONNECTION_STATE_CANCELLING }) - public @interface ConnectionState {} - - public BluetoothItem(int id) { - setId(id); - } - - /** - * Immediately updates the connection state of the device that is represented by this - * {@link BluetoothItem}. This state is not necessarily tied to the bonded state that - * will be returned by the {@link BluetoothDevice} associated with this item. - */ - public void updateConnectionState(Context context, @ConnectionState int state) { - if (mDevice == null) { - return; - } - - switch (state) { - case CONNECTION_STATE_DISCONNECTING: - setSummary(context.getString(R.string.bluetooth_device_disconnecting)); - break; - - case CONNECTION_STATE_CONNECTING: - setSummary(context.getString(R.string.bluetooth_device_connecting)); - break; - - case CONNECTION_STATE_CANCELLING: - setSummary(context.getString(R.string.bluetooth_device_cancelling)); - break; - - default: - // Do nothing. - } - } - - /** - * Associate a {@link BluetoothDevice} with this {@link BluetoothItem}. - */ - public void update(Context context, BluetoothDevice device) { - mIconUpdated = false; - mDevice = device; - - String name = mDevice.getName(); - setTitle(TextUtils.isEmpty(name) ? mDevice.getAddress() : name); - - switch (mDevice.getBondState()) { - case BluetoothDevice.BOND_BONDED: - setSummary(context.getString(R.string.bluetooth_device_connected)); - break; - - case BluetoothDevice.BOND_BONDING: - setSummary(context.getString(R.string.bluetooth_device_connecting)); - break; - - default: - setSummary(null); - } - } - - /** - * Returns the {@link BluetoothDevice} set via {@link #update(Context, BluetoothDevice)}. - */ - public BluetoothDevice getBluetoothDevice() { - return mDevice; - } - - @Override - public void onBindView(View view) { - if (mIconUpdated && getIcon() != null) { - super.onBindView(view); - return; - } - - Context context = view.getContext(); - TypedArray a = context.obtainStyledAttributes( - new int[] { R.attr.suwListItemIconColor }); - - try { - ColorStateList bluetoothIconColor = a.getColorStateList(0); - Drawable bluetoothIcon = getDeviceIcon(context).mutate(); - bluetoothIcon.setTintList(bluetoothIconColor); - setIcon(bluetoothIcon); - } finally { - a.recycle(); - } - - mIconUpdated = true; - - super.onBindView(view); - } - - /** - * Returns an appropriate {@link Drawable} to use as the icon for the bluetooth device - * associated with this {@link BluetoothItem}. - */ - private Drawable getDeviceIcon(Context context) { - if (mDevice == null) { - return context.getDrawable(R.drawable.ic_bluetooth_item); - } - - @DrawableRes int deviceIcon; - switch (mDevice.getBluetoothClass().getDeviceClass()) { - case Device.AUDIO_VIDEO_HEADPHONES: - case Device.AUDIO_VIDEO_WEARABLE_HEADSET: - deviceIcon = R.drawable.ic_headset; - break; - - case Device.COMPUTER_DESKTOP: - case Device.COMPUTER_LAPTOP: - deviceIcon = R.drawable.ic_computer; - break; - - case Device.PHONE_SMART: - deviceIcon = R.drawable.ic_smartphone; - break; - - case Device.WEARABLE_WRIST_WATCH: - deviceIcon = R.drawable.ic_watch; - break; - - default: - deviceIcon = R.drawable.ic_bluetooth_item; - } - - return context.getDrawable(deviceIcon); - } - } -} |