290 lines
9.9 KiB
Java
290 lines
9.9 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.bluetooth;
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import android.app.AlertDialog;
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import android.bluetooth.BluetoothClass;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothProfile;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.graphics.drawable.Drawable;
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import android.preference.Preference;
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import android.text.TextUtils;
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import android.util.Log;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.ImageView;
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import com.android.settings.R;
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import java.util.List;
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/**
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* BluetoothDevicePreference is the preference type used to display each remote
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* Bluetooth device in the Bluetooth Settings screen.
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*/
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public final class BluetoothDevicePreference extends Preference implements
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CachedBluetoothDevice.Callback, OnClickListener {
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private static final String TAG = "BluetoothDevicePreference";
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private static int sDimAlpha = Integer.MIN_VALUE;
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private final CachedBluetoothDevice mCachedDevice;
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private ImageView mDeviceSettings;
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private OnClickListener mOnSettingsClickListener;
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private AlertDialog mDisconnectDialog;
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public BluetoothDevicePreference(Context context, CachedBluetoothDevice cachedDevice) {
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super(context);
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if (sDimAlpha == Integer.MIN_VALUE) {
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TypedValue outValue = new TypedValue();
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context.getTheme().resolveAttribute(android.R.attr.disabledAlpha, outValue, true);
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sDimAlpha = (int) (outValue.getFloat() * 255);
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}
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mCachedDevice = cachedDevice;
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setWidgetLayoutResource(R.layout.preference_bluetooth);
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mCachedDevice.registerCallback(this);
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onDeviceAttributesChanged();
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}
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CachedBluetoothDevice getCachedDevice() {
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return mCachedDevice;
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}
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public void setOnSettingsClickListener(OnClickListener listener) {
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mOnSettingsClickListener = listener;
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}
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@Override
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protected void onPrepareForRemoval() {
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super.onPrepareForRemoval();
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mCachedDevice.unregisterCallback(this);
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if (mDisconnectDialog != null) {
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mDisconnectDialog.dismiss();
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mDisconnectDialog = null;
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}
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}
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public void onDeviceAttributesChanged() {
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/*
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* The preference framework takes care of making sure the value has
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* changed before proceeding. It will also call notifyChanged() if
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* any preference info has changed from the previous value.
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*/
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setTitle(mCachedDevice.getName());
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setSummary(getConnectionSummary());
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// Used to gray out the item
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setEnabled(!mCachedDevice.isBusy());
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// This could affect ordering, so notify that
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notifyHierarchyChanged();
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}
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@Override
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protected void onBindView(View view) {
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// Disable this view if the bluetooth enable/disable preference view is off
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if (null != findPreferenceInHierarchy("bt_checkbox")) {
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setDependency("bt_checkbox");
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}
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super.onBindView(view);
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ImageView btClass = (ImageView) view.findViewById(android.R.id.icon);
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btClass.setImageResource(getBtClassDrawable());
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btClass.setAlpha(isEnabled() ? 255 : sDimAlpha);
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mDeviceSettings = (ImageView) view.findViewById(R.id.deviceDetails);
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if (mOnSettingsClickListener != null) {
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mDeviceSettings.setOnClickListener(this);
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mDeviceSettings.setTag(mCachedDevice);
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mDeviceSettings.setAlpha(isEnabled() ? 255 : sDimAlpha);
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} else { // Hide the settings icon and divider
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mDeviceSettings.setVisibility(View.GONE);
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View divider = view.findViewById(R.id.divider);
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if (divider != null) {
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divider.setVisibility(View.GONE);
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}
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}
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LayoutInflater inflater = (LayoutInflater)
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getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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ViewGroup profilesGroup = (ViewGroup) view.findViewById(R.id.profileIcons);
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for (LocalBluetoothProfile profile : mCachedDevice.getProfiles()) {
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int iconResource = profile.getDrawableResource(mCachedDevice.getBtClass());
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if (iconResource != 0) {
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Drawable icon = getContext().getResources().getDrawable(iconResource);
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inflater.inflate(R.layout.profile_icon_small, profilesGroup, true);
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ImageView imageView =
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(ImageView) profilesGroup.getChildAt(profilesGroup.getChildCount() - 1);
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imageView.setImageDrawable(icon);
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boolean profileEnabled = mCachedDevice.isConnectedProfile(profile);
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imageView.setAlpha(profileEnabled ? 255 : sDimAlpha);
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}
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}
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}
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public void onClick(View v) {
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if (v == mDeviceSettings) {
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if (mOnSettingsClickListener != null) {
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mOnSettingsClickListener.onClick(v);
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}
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}
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}
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public boolean equals(Object o) {
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if ((o == null) || !(o instanceof BluetoothDevicePreference)) {
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return false;
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}
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return mCachedDevice.equals(
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((BluetoothDevicePreference) o).mCachedDevice);
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}
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public int hashCode() {
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return mCachedDevice.hashCode();
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}
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@Override
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public int compareTo(Preference another) {
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if (!(another instanceof BluetoothDevicePreference)) {
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// Put other preference types above us
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return 1;
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}
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return mCachedDevice
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.compareTo(((BluetoothDevicePreference) another).mCachedDevice);
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}
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void onClicked() {
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int bondState = mCachedDevice.getBondState();
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if (mCachedDevice.isConnected()) {
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askDisconnect();
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} else if (bondState == BluetoothDevice.BOND_BONDED) {
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mCachedDevice.connect(true);
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} else if (bondState == BluetoothDevice.BOND_NONE) {
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pair();
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}
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}
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// Show disconnect confirmation dialog for a device.
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private void askDisconnect() {
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Context context = getContext();
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String name = mCachedDevice.getName();
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if (TextUtils.isEmpty(name)) {
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name = context.getString(R.string.bluetooth_device);
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}
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String message = context.getString(R.string.bluetooth_disconnect_blank, name);
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DialogInterface.OnClickListener disconnectListener = new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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mCachedDevice.disconnect();
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}
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};
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mDisconnectDialog = Utils.showDisconnectDialog(context,
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mDisconnectDialog, disconnectListener, name, message);
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}
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private void pair() {
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if (!mCachedDevice.startPairing()) {
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Utils.showError(getContext(), mCachedDevice.getName(),
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R.string.bluetooth_pairing_error_message);
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}
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}
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private int getConnectionSummary() {
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final CachedBluetoothDevice cachedDevice = mCachedDevice;
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final BluetoothDevice device = cachedDevice.getDevice();
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// if any profiles are connected or busy, return that status
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for (LocalBluetoothProfile profile : cachedDevice.getProfiles()) {
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int connectionStatus = cachedDevice.getProfileConnectionState(profile);
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if (connectionStatus != BluetoothProfile.STATE_DISCONNECTED) {
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return Utils.getConnectionStateSummary(connectionStatus);
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}
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}
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switch (cachedDevice.getBondState()) {
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case BluetoothDevice.BOND_BONDED:
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return R.string.bluetooth_paired;
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case BluetoothDevice.BOND_BONDING:
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return R.string.bluetooth_pairing;
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case BluetoothDevice.BOND_NONE:
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return R.string.bluetooth_not_connected;
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default:
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return 0;
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}
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}
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private int getBtClassDrawable() {
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BluetoothClass btClass = mCachedDevice.getBtClass();
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if (btClass != null) {
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switch (btClass.getMajorDeviceClass()) {
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case BluetoothClass.Device.Major.COMPUTER:
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return R.drawable.ic_bt_laptop;
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case BluetoothClass.Device.Major.PHONE:
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return R.drawable.ic_bt_cellphone;
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case BluetoothClass.Device.Major.PERIPHERAL:
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return HidProfile.getHidClassDrawable(btClass);
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case BluetoothClass.Device.Major.IMAGING:
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return R.drawable.ic_bt_imaging;
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default:
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// unrecognized device class; continue
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}
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} else {
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Log.w(TAG, "mBtClass is null");
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}
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List<LocalBluetoothProfile> profiles = mCachedDevice.getProfiles();
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for (LocalBluetoothProfile profile : profiles) {
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int resId = profile.getDrawableResource(btClass);
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if (resId != 0) {
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return resId;
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}
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}
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if (btClass != null) {
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if (btClass.doesClassMatch(BluetoothClass.PROFILE_A2DP)) {
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return R.drawable.ic_bt_headphones_a2dp;
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}
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if (btClass.doesClassMatch(BluetoothClass.PROFILE_HEADSET)) {
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return R.drawable.ic_bt_headset_hfp;
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}
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}
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return 0;
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}
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}
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