PowerSupplyKit.java

/*
 * Copyright 2000-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.io;

import com.intellij.ide.PowerSaveMode;
import com.intellij.notification.*;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.util.lang.UrlClassLoader;
import org.jetbrains.annotations.NotNull;

import javax.swing.event.HyperlinkEvent;


public class PowerSupplyKit {


    private static final String POWER_SUPPLY_GROUP_ID = "Power Supply Integration";
    private static boolean shouldCheckCordUnplug = Registry.is("check.power.supply.for.mbp") && SystemInfo.isMacIntel64;
    //private static boolean shouldCheckDiscreteCard =
    // Registry.is("check.power.supply.for.mbp") && SystemInfo.isMacIntel64 && hasDiscreteCard();

    static {
        if (shouldCheckCordUnplug) {
            UrlClassLoader.loadPlatformLibrary("MacNativeKit");
        }
    }

    private static native void startListenPowerSupply (PowerSupplyKitCallback callback);
    private static native boolean isPlugged();
    private static native String[] getInfo ();
    private static boolean automaticallySwitchInPowerSaveModeOnUnpluggedCordEvent;

    // The first notification has been shown and
    // power callback has been configurated
    private static boolean powerSupplyKitHasBeenInitialized;

    private static boolean hasDiscreteCard() {
        String [] models =  getInfo();

        if (models.length > 1) {
            return true;
            //for (String model : models) {
            //    if (model.contains("NVIDIA")) return true;
            //}
        }

        return false;
    }

    public static void checkPowerSupply() {

        if (!shouldCheckCordUnplug) return;

        new Thread("check power") {
            @Override
            public void run() {
                startListenPowerSupply(new PowerSupplyKitCallback() {
                    @Override
                    public void call() {
                        initializeIfNeeded();
                        PowerSaveMode.setEnabled(automaticallySwitchInPowerSaveModeOnUnpluggedCordEvent && isPlugged());
                    }
                });
            }
        }.start();
        shouldCheckCordUnplug = false;
    }

    private static void initializeIfNeeded() {

        if (powerSupplyKitHasBeenInitialized)  return;

        NotificationsConfiguration.getNotificationsConfiguration().register(
          POWER_SUPPLY_GROUP_ID,
          NotificationDisplayType.STICKY_BALLOON,
          false);

        final NotificationType type = NotificationType.INFORMATION;

        final NotificationListener listener = new NotificationListener() {
            @Override
            public void hyperlinkUpdate(@NotNull Notification notification, @NotNull HyperlinkEvent event) {
                if (event.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                    final String description = event.getDescription();
                    if ("doNotShow".equals(description)) {
                        NotificationsConfiguration.getNotificationsConfiguration().changeSettings(POWER_SUPPLY_GROUP_ID, NotificationDisplayType.NONE, false, false);
                        notification.expire();
                    }
                    if ("automatically".equals(description)) {
                        automaticallySwitchInPowerSaveModeOnUnpluggedCordEvent = true;
                    }
                }

            }
        };

        //final String message =  "We have noticed that your computer power cord is disconnected and you are using" +
        //                        " a discrete video card on you MacBook Pro. You can switch " +
        //                        " to the integrated video card. This significantly extend your battery life." +
        //                        " <a href=\"doNotShow\">Do no show</a> this message anymore";

        final String automaticPowerSafeModeSwitchMessage =  "We have noticed that your computer power cord is disconnected. " +
                                                            "On unplugging your power cord we can <a href=\"automatically\">automatically</a> switch " +
                                                            "your Mac Book in a <b>Power Save</b> mode . This can extend your battery life." +
                                                            " <a href=\"doNotShow\">Do no show</a> this message anymore";

        //final String powerSafeModeTurnedOnMesssage =  "Power Save mode is turned on. <a href=\"doNotShow\">Do no show</a> this message anymore";

        //final Notification notification = new Notification(POWER_SUPPLY_GROUP_ID, "Discrete video card warning", message, type, listener);
        final Notification automaticPowerSafeModeSwitchNotification =
          new Notification(POWER_SUPPLY_GROUP_ID, "Automatically enable <b>Power Save</b> mode",
                           automaticPowerSafeModeSwitchMessage, type, listener);


        //final Notification powerSafeModeSwitchedNotification =
        //  new Notification(POWER_SUPPLY_GROUP_ID, "\"Power Save\" mode ", message, type, listener);

        ApplicationManager.getApplication().executeOnPooledThread(() -> ApplicationManager.getApplication().getMessageBus().
          syncPublisher(Notifications.TOPIC).notify(automaticPowerSafeModeSwitchNotification));

        powerSupplyKitHasBeenInitialized = true;
    }
}