65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
/*
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* Copyright (C) 2018 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.connecteddevice.usb;
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import android.content.Context;
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import android.os.Handler;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settingslib.core.AbstractPreferenceController;
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import androidx.annotation.UiThread;
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/**
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* This class provides common members and refresh functionality for usb controllers.
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*/
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public abstract class UsbDetailsController extends AbstractPreferenceController
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implements PreferenceControllerMixin {
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protected final Context mContext;
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protected final UsbDetailsFragment mFragment;
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protected final UsbBackend mUsbBackend;
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@VisibleForTesting
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Handler mHandler;
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public UsbDetailsController(Context context, UsbDetailsFragment fragment, UsbBackend backend) {
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super(context);
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mContext = context;
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mFragment = fragment;
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mUsbBackend = backend;
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mHandler = new Handler(context.getMainLooper());
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}
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@Override
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public boolean isAvailable() {
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return true;
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}
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/**
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* Called when the USB state has changed, so that this component can be refreshed.
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*
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* @param connected Whether USB is connected
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* @param functions A mask of the currently enabled functions
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* @param powerRole The current power role
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* @param dataRole The current data role
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*/
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@UiThread
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protected abstract void refresh(boolean connected, long functions, int powerRole, int dataRole);
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}
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