Files
app_Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
Fan Zhang de117046ad DO NOT MERGE Import clean up.
Reordered all imports according to Android codestyle.

Test: rebuild
Change-Id: I750f01f70f2114d51838bf652833aebdc4065c98
2018-09-04 13:54:46 -07:00

65 lines
2.1 KiB
Java

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