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/*
* Copyright 2018 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.connecteddevice;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.bluetooth.BluetoothDevicePreference;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;
import com.android.settings.connecteddevice.dock.DockUpdater;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import java.util.ArrayList;
import java.util.List;
public class PreviouslyConnectedDevicePreferenceController extends BasePreferenceController
implements LifecycleObserver, OnStart, OnStop, DevicePreferenceCallback {
private static final String TAG = "PreviouslyDevicePreController";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private static final int MAX_DEVICE_NUM = 3;
private static final int DOCK_DEVICE_INDEX = 9;
private static final String KEY_SEE_ALL = "previously_connected_devices_see_all";
private final List<Preference> mDevicesList = new ArrayList<>();
private final List<Preference> mDockDevicesList = new ArrayList<>();
private PreferenceGroup mPreferenceGroup;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
private DockUpdater mSavedDockUpdater;
private BluetoothAdapter mBluetoothAdapter;
@VisibleForTesting
Preference mSeeAllPreference;
@VisibleForTesting
IntentFilter mIntentFilter;
@VisibleForTesting
BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updatePreferenceVisibility();
}
};
public PreviouslyConnectedDevicePreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mSavedDockUpdater = FeatureFactory.getFactory(
context).getDockUpdaterFeatureProvider().getSavedDockUpdater(context, this);
mIntentFilter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}
@Override
public int getAvailabilityStatus() {
return (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
|| mSavedDockUpdater != null)
? AVAILABLE
: CONDITIONALLY_UNAVAILABLE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreferenceGroup = screen.findPreference(getPreferenceKey());
mSeeAllPreference = mPreferenceGroup.findPreference(KEY_SEE_ALL);
updatePreferenceVisibility();
if (isAvailable()) {
final Context context = screen.getContext();
mBluetoothDeviceUpdater.setPrefContext(context);
mSavedDockUpdater.setPreferenceContext(context);
mBluetoothDeviceUpdater.forceUpdate();
}
}
@Override
public void onStart() {
mBluetoothDeviceUpdater.registerCallback();
mSavedDockUpdater.registerCallback();
mContext.registerReceiver(mReceiver, mIntentFilter);
mBluetoothDeviceUpdater.refreshPreference();
}
@Override
public void onStop() {
mBluetoothDeviceUpdater.unregisterCallback();
mSavedDockUpdater.unregisterCallback();
mContext.unregisterReceiver(mReceiver);
}
public void init(DashboardFragment fragment) {
mBluetoothDeviceUpdater = new SavedBluetoothDeviceUpdater(fragment.getContext(),
fragment, PreviouslyConnectedDevicePreferenceController.this);
}
@Override
public void onDeviceAdded(Preference preference) {
final List<BluetoothDevice> bluetoothDevices =
mBluetoothAdapter.getMostRecentlyConnectedDevices();
final int index = preference instanceof BluetoothDevicePreference
? bluetoothDevices.indexOf(((BluetoothDevicePreference) preference)
.getBluetoothDevice().getDevice()) : DOCK_DEVICE_INDEX;
if (DEBUG) {
Log.d(TAG, "onDeviceAdded() " + preference.getTitle() + ", index of : " + index);
for (BluetoothDevice device : bluetoothDevices) {
Log.d(TAG, "onDeviceAdded() most recently device : " + device.getName());
}
}
addPreference(index, preference);
updatePreferenceVisibility();
}
private void addPreference(int index, Preference preference) {
if (preference instanceof BluetoothDevicePreference) {
if (index >= 0 && mDevicesList.size() >= index) {
mDevicesList.add(index, preference);
} else {
mDevicesList.add(preference);
}
} else {
mDockDevicesList.add(preference);
}
addPreference();
}
private void addPreference() {
mPreferenceGroup.removeAll();
mPreferenceGroup.addPreference(mSeeAllPreference);
final int size = getDeviceListSize();
for (int i = 0; i < size; i++) {
if (DEBUG) {
Log.d(TAG, "addPreference() add device : " + mDevicesList.get(i).getTitle());
}
mDevicesList.get(i).setOrder(i);
mPreferenceGroup.addPreference(mDevicesList.get(i));
}
if (mDockDevicesList.size() > 0) {
for (int i = 0; i < getDockDeviceListSize(MAX_DEVICE_NUM - size); i++) {
if (DEBUG) {
Log.d(TAG, "addPreference() add dock device : "
+ mDockDevicesList.get(i).getTitle());
}
mDockDevicesList.get(i).setOrder(DOCK_DEVICE_INDEX);
mPreferenceGroup.addPreference(mDockDevicesList.get(i));
}
}
}
private int getDeviceListSize() {
return mDevicesList.size() >= MAX_DEVICE_NUM
? MAX_DEVICE_NUM : mDevicesList.size();
}
private int getDockDeviceListSize(int availableSize) {
return mDockDevicesList.size() >= availableSize
? availableSize : mDockDevicesList.size();
}
@Override
public void onDeviceRemoved(Preference preference) {
if (preference instanceof BluetoothDevicePreference) {
mDevicesList.remove(preference);
} else {
mDockDevicesList.remove(preference);
}
addPreference();
updatePreferenceVisibility();
}
@VisibleForTesting
void setBluetoothDeviceUpdater(BluetoothDeviceUpdater bluetoothDeviceUpdater) {
mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
}
@VisibleForTesting
void setSavedDockUpdater(DockUpdater savedDockUpdater) {
mSavedDockUpdater = savedDockUpdater;
}
@VisibleForTesting
void setPreferenceGroup(PreferenceGroup preferenceGroup) {
mPreferenceGroup = preferenceGroup;
}
@VisibleForTesting
void updatePreferenceVisibility() {
if (mBluetoothAdapter != null && mBluetoothAdapter.isEnabled()) {
mSeeAllPreference.setSummary("");
} else {
mSeeAllPreference.setSummary(
mContext.getString(R.string.connected_device_see_all_summary));
}
}
}
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