b735393c9e
To workaround some issues with transcoded file sizes transferred via MTP on Windows machines, we restart the MTP connection after changing the transcode flag. Test: Manual Bug: 184117074 Bug: 190422448 Change-Id: I8d151117e1f5d23c3ec20e8c7a4b4546c96f2c84
104 lines
3.9 KiB
Java
104 lines
3.9 KiB
Java
/*
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* Copyright (C) 2021 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.DATA_ROLE_DEVICE;
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import android.content.Context;
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import android.hardware.usb.UsbManager;
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import android.os.SystemProperties;
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import androidx.preference.Preference;
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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 setting if we should transcode files transferred via MTP over
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* USB.
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*/
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public class UsbDetailsTranscodeMtpController extends UsbDetailsController
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implements Preference.OnPreferenceClickListener {
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private static final String TRANSCODE_MTP_SYS_PROP_KEY = "sys.fuse.transcode_mtp";
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private static final String PREFERENCE_KEY = "usb_transcode_mtp";
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private PreferenceCategory mPreferenceCategory;
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private SwitchPreference mSwitchPreference;
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public UsbDetailsTranscodeMtpController(Context context, UsbDetailsFragment fragment,
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UsbBackend backend) {
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super(context, fragment, backend);
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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_transcode_files);
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mSwitchPreference.setOnPreferenceClickListener(this);
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mSwitchPreference.setSummaryOn(R.string.usb_transcode_files_summary);
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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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if (mUsbBackend.areFunctionsSupported(UsbManager.FUNCTION_MTP | UsbManager.FUNCTION_PTP)) {
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mFragment.getPreferenceScreen().addPreference(mPreferenceCategory);
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} else {
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mFragment.getPreferenceScreen().removePreference(mPreferenceCategory);
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}
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mSwitchPreference.setChecked(
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SystemProperties.getBoolean(TRANSCODE_MTP_SYS_PROP_KEY, false));
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mPreferenceCategory.setEnabled(
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connected && isDeviceInFileTransferMode(functions, dataRole));
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}
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@Override
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public boolean onPreferenceClick(Preference preference) {
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SystemProperties.set(TRANSCODE_MTP_SYS_PROP_KEY,
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Boolean.toString(mSwitchPreference.isChecked()));
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final long previousFunctions = mUsbBackend.getCurrentFunctions();
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// Toggle the MTP connection to reload file sizes for files shared via MTP clients
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mUsbBackend.setCurrentFunctions(previousFunctions & ~UsbManager.FUNCTION_MTP);
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mUsbBackend.setCurrentFunctions(previousFunctions);
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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 PREFERENCE_KEY;
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}
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private static boolean isDeviceInFileTransferMode(long functions, int dataRole) {
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return dataRole == DATA_ROLE_DEVICE && ((functions & UsbManager.FUNCTION_MTP) != 0
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|| (functions & UsbManager.FUNCTION_PTP) != 0);
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}
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}
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