136 lines
5.1 KiB
Java
136 lines
5.1 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 static android.hardware.usb.UsbPortStatus.POWER_ROLE_NONE;
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import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SINK;
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import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SOURCE;
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import android.content.Context;
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import androidx.preference.Preference;
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import androidx.preference.Preference.OnPreferenceClickListener;
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import androidx.preference.PreferenceCategory;
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import androidx.preference.PreferenceScreen;
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import androidx.preference.SwitchPreference;
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import com.android.settings.R;
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import com.android.settings.Utils;
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/**
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* This class controls the switch for changing USB power direction.
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*/
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public class UsbDetailsPowerRoleController extends UsbDetailsController
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implements OnPreferenceClickListener {
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private static final String KEY_USB_USE_POWER_ONLY = "usb_use_power_only";
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private PreferenceCategory mPreferenceCategory;
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private SwitchPreference mSwitchPreference;
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private int mNextPowerRole;
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private final Runnable mFailureCallback = () -> {
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if (mNextPowerRole != POWER_ROLE_NONE) {
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mSwitchPreference.setSummary(R.string.usb_switching_failed);
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mNextPowerRole = POWER_ROLE_NONE;
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}
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};
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public UsbDetailsPowerRoleController(Context context, UsbDetailsFragment fragment,
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UsbBackend backend) {
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super(context, fragment, backend);
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mNextPowerRole = POWER_ROLE_NONE;
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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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mPreferenceCategory = screen.findPreference(getPreferenceKey());
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mSwitchPreference = new SwitchPreference(mPreferenceCategory.getContext());
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mSwitchPreference.setTitle(R.string.usb_use_power_only);
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mSwitchPreference.setKey(KEY_USB_USE_POWER_ONLY);
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mSwitchPreference.setOnPreferenceClickListener(this);
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mPreferenceCategory.addPreference(mSwitchPreference);
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}
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@Override
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protected void refresh(boolean connected, long functions, int powerRole, int dataRole) {
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// Hide this option if this is not a PD compatible connection
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if (connected && !mUsbBackend.areAllRolesSupported()) {
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mFragment.getPreferenceScreen().removePreference(mPreferenceCategory);
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} else if (connected && mUsbBackend.areAllRolesSupported()) {
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mFragment.getPreferenceScreen().addPreference(mPreferenceCategory);
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}
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if (powerRole == POWER_ROLE_SOURCE) {
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mSwitchPreference.setChecked(true);
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mPreferenceCategory.setEnabled(true);
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} else if (powerRole == POWER_ROLE_SINK) {
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mSwitchPreference.setChecked(false);
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mPreferenceCategory.setEnabled(true);
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} else if (!connected || powerRole == POWER_ROLE_NONE) {
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mPreferenceCategory.setEnabled(false);
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if (mNextPowerRole == POWER_ROLE_NONE) {
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mSwitchPreference.setSummary("");
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}
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}
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if (mNextPowerRole != POWER_ROLE_NONE
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&& powerRole != POWER_ROLE_NONE) {
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if (mNextPowerRole == powerRole) {
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// Clear switching text if switch succeeded
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mSwitchPreference.setSummary("");
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} else {
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// Set failure text if switch failed
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mSwitchPreference.setSummary(R.string.usb_switching_failed);
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}
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mNextPowerRole = POWER_ROLE_NONE;
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mHandler.removeCallbacks(mFailureCallback);
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}
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}
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@Override
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public boolean onPreferenceClick(Preference preference) {
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int newRole = mSwitchPreference.isChecked() ? POWER_ROLE_SOURCE
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: POWER_ROLE_SINK;
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if (mUsbBackend.getPowerRole() != newRole && mNextPowerRole == POWER_ROLE_NONE
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&& !Utils.isMonkeyRunning()) {
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mUsbBackend.setPowerRole(newRole);
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mNextPowerRole = newRole;
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mSwitchPreference.setSummary(R.string.usb_switching);
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mHandler.postDelayed(mFailureCallback,
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mUsbBackend.areAllRolesSupported() ? UsbBackend.PD_ROLE_SWAP_TIMEOUT_MS
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: UsbBackend.NONPD_ROLE_SWAP_TIMEOUT_MS);
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}
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// We don't know that the action succeeded until called back in refresh()
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mSwitchPreference.setChecked(!mSwitchPreference.isChecked());
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return true;
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}
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@Override
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public boolean isAvailable() {
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return !Utils.isMonkeyRunning();
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}
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@Override
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public String getPreferenceKey() {
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return "usb_details_power_role";
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}
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}
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