Java tutorial
/* * Copyright (c) 2015 OpenSilk Productions LLC * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package syncthing.android.ui.session; import android.databinding.Bindable; import android.databinding.BindingAdapter; import android.support.v4.content.ContextCompat; import android.widget.TextView; import org.apache.commons.lang3.StringUtils; import org.joda.time.Duration; import org.joda.time.format.PeriodFormatter; import org.joda.time.format.PeriodFormatterBuilder; import java.text.DecimalFormat; import syncthing.android.R; import syncthing.android.service.SyncthingUtils; import syncthing.android.ui.common.ExpandableCard; import syncthing.api.model.ConnectionInfo; import syncthing.api.model.DeviceConfig; import syncthing.api.model.SystemInfo; import syncthing.api.model.Version; /** * Created by drew on 3/10/15. */ public class MyDeviceCard extends ExpandableCard { static final DecimalFormat cpuFormat = new DecimalFormat("0.00"); static final PeriodFormatter uptimeFormatter; static { uptimeFormatter = new PeriodFormatterBuilder().appendDays().appendSuffix("d ").appendHours() .appendSuffix("h ").appendMinutes().appendSuffix("m ").appendSeconds().appendSuffix("s") .toFormatter(); } protected DeviceConfig device; protected Version version; //connection info; private long inbps = -1; private long inBytesTotal = -1; private long outbps = -1; private long outBytesTotal = -1; //system info private boolean hasSystemInfo; private long sys; private double cpuPercent; private long uptime; private boolean discoveryEnabled; private int discoveryFailures; private int discoveryMethods; private int listenersFailures; private int listenersTotal; public MyDeviceCard(DeviceConfig device, ConnectionInfo connection, SystemInfo system, Version version) { this.device = device; this.version = version; setConnectionInfo(connection); setSystemInfo(system); setExpanded(true); } public void setDevice(DeviceConfig device) { if (!StringUtils.equals(this.device.deviceID, device.deviceID)) { throw new IllegalArgumentException("Tried binding a different device to this card " + device.deviceID + " != " + this.device.deviceID); } this.device = device; notifyChange(syncthing.android.BR._all);//TODO only notify changed fields } public void setConnectionInfo(ConnectionInfo connection) { if (connection == null) { inbps = inBytesTotal = outbps = outBytesTotal = -1; notifyChange(syncthing.android.BR.inbps); notifyChange(syncthing.android.BR.inBytesTotal); notifyChange(syncthing.android.BR.outbps); notifyChange(syncthing.android.BR.outBytesTotal); } else { if (inbps != connection.inbps || inBytesTotal != connection.inBytesTotal) { inbps = connection.inbps; inBytesTotal = connection.inBytesTotal; notifyChange(syncthing.android.BR.inbps); notifyChange(syncthing.android.BR.inBytesTotal); } if (outbps != connection.outbps || outBytesTotal != connection.outBytesTotal) { outbps = connection.outbps; outBytesTotal = connection.outBytesTotal; notifyChange(syncthing.android.BR.outbps); notifyChange(syncthing.android.BR.outBytesTotal); } } } public void setSystemInfo(SystemInfo system) { if (system == null) { hasSystemInfo = false; discoveryEnabled = false; notifyChange(syncthing.android.BR.hasSystemInfo); notifyChange(syncthing.android.BR.mem); notifyChange(syncthing.android.BR.cpuPercent); notifyChange(syncthing.android.BR.cpuPercentText); notifyChange(syncthing.android.BR.uptime); notifyChange(syncthing.android.BR.uptimeText); notifyChange(syncthing.android.BR.discoveryEnabled); notifyChange(syncthing.android.BR.discoveryFailures); notifyChange(syncthing.android.BR.discoveryMethods); notifyChange(syncthing.android.BR.listenersFailures); notifyChange(syncthing.android.BR.listenersTotal); } else { if (!hasSystemInfo) { hasSystemInfo = true; notifyChange(syncthing.android.BR.hasSystemInfo); } if (sys != system.sys) { sys = system.sys; notifyChange(syncthing.android.BR.mem); } if (cpuPercent != system.cpuPercent) { cpuPercent = system.cpuPercent; notifyChange(syncthing.android.BR.cpuPercent); notifyChange(syncthing.android.BR.cpuPercentText); } if (uptime != system.uptime) { uptime = system.uptime; notifyChange(syncthing.android.BR.uptime); notifyChange(syncthing.android.BR.uptimeText); } if (discoveryEnabled != system.discoveryEnabled) { discoveryEnabled = system.discoveryEnabled; notifyChange(syncthing.android.BR.discoveryEnabled); } int failures = 0; if (system.discoveryErrors != null && !system.discoveryErrors.isEmpty()) { failures = system.discoveryErrors.size(); } if (discoveryFailures != failures || discoveryMethods != system.discoveryMethods) { discoveryFailures = failures; discoveryMethods = system.discoveryMethods; notifyChange(syncthing.android.BR.discoveryFailures); notifyChange(syncthing.android.BR.discoveryMethods); } int failed = 0, total = 0; if (system.connectionServiceStatus != null) { for (String r : system.connectionServiceStatus.keySet()) { if (!system.connectionServiceStatus.get(r).error.isEmpty()) { failed++; } total++; } } if (listenersFailures != failed || listenersTotal != total) { listenersFailures = failed; listenersTotal = total; notifyChange(syncthing.android.BR.listenersFailures); notifyChange(syncthing.android.BR.listenersTotal); } } } public void setVersion(Version version) { this.version = version; notifyChange(syncthing.android.BR.versionText); } @Override public int getLayout() { return R.layout.session_mydevice; } @Bindable public String getDeviceID() { return device.deviceID; } @Bindable public String getName() { return SyncthingUtils.getDisplayName(device); } @Bindable public long getInbps() { return inbps; } @Bindable public long getInBytesTotal() { return inBytesTotal; } @Bindable public long getOutbps() { return outbps; } @Bindable public long getOutBytesTotal() { return outBytesTotal; } @Bindable public long getMem() { return sys; } @Bindable public double getCpuPercent() { return cpuPercent; } @Bindable public String getCpuPercentText() { return cpuFormat.format(getCpuPercent()); } @Bindable public boolean getHasSystemInfo() { return hasSystemInfo; } @Bindable public long getUptime() { return uptime; } @Bindable public String getUptimeText() { return uptimeFormatter.print(Duration.standardSeconds(getUptime()).toPeriod()); } @Bindable public String getVersionText() { return version != null ? version.toString() : "?"; } @Bindable public boolean isDiscoveryEnabled() { return discoveryEnabled; } @Bindable public int getDiscoveryFailures() { return discoveryFailures; } @Bindable public int getDiscoveryMethods() { return discoveryMethods; } @Bindable public int getListenersFailures() { return listenersFailures; } @Bindable public int getListenersTotal() { return listenersTotal; } }