90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
/*
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* Copyright (C) 2023 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.accessibility;
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import android.content.Context;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.bluetooth.BluetoothDeviceUpdater;
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import com.android.settings.connecteddevice.DevicePreferenceCallback;
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import com.android.settings.dashboard.DashboardFragment;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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import com.android.settingslib.core.lifecycle.events.OnStart;
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import com.android.settingslib.core.lifecycle.events.OnStop;
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/**
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* Controller to update the {@link androidx.preference.PreferenceCategory} for all
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* saved ((bonded but not connected)) hearing devices, including ASHA and HAP profile.
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* Parent class {@link BaseBluetoothDevicePreferenceController} will use
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* {@link DevicePreferenceCallback} to add/remove {@link Preference}.
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*/
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public class SavedHearingDevicePreferenceController extends
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BaseBluetoothDevicePreferenceController implements LifecycleObserver, OnStart, OnResume,
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OnStop {
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private BluetoothDeviceUpdater mSavedHearingDeviceUpdater;
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public SavedHearingDevicePreferenceController(Context context,
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String preferenceKey) {
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super(context, preferenceKey);
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}
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/**
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* Initializes objects in this controller. Need to call this before onStart().
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*
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* <p>Should not call this more than 1 time.
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*
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* @param fragment The {@link DashboardFragment} uses the controller.
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*/
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public void init(DashboardFragment fragment) {
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if (mSavedHearingDeviceUpdater != null) {
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throw new IllegalStateException("Should not call init() more than 1 time.");
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}
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mSavedHearingDeviceUpdater = new SavedHearingDeviceUpdater(fragment.getContext(), this,
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fragment.getMetricsCategory());
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}
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@Override
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public void onStart() {
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mSavedHearingDeviceUpdater.registerCallback();
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}
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@Override
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public void onResume() {
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mSavedHearingDeviceUpdater.refreshPreference();
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}
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@Override
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public void onStop() {
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mSavedHearingDeviceUpdater.unregisterCallback();
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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if (isAvailable()) {
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final Context context = screen.getContext();
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mSavedHearingDeviceUpdater.setPrefContext(context);
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mSavedHearingDeviceUpdater.forceUpdate();
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}
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}
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}
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