Support remote execution and access from web browser

build.gradle.kts

@@ -9,6 +9,7 @@ plugins {
     jacoco
     application
     distribution
+    kotlin("jvm") version "1.5.20"
     id("com.github.spotbugs") version "4.7.9"
     id("com.diffplug.spotless") version "5.17.1"
     id("com.github.kt3k.coveralls") version "2.12.0"
@@ -18,7 +19,11 @@ plugins {
 
 fun getProps(f: File): Properties {
     val props = Properties()
-    props.load(FileInputStream(f))
+    try {
+        props.load(FileInputStream(f))
+    } catch (t: Throwable) {
+        println("Can't read $f: $t, assuming empty")
+    }
     return props
 }
 
@@ -58,6 +63,15 @@ application {
     mainClass.set("io.github.eb4j.ebview.EBViewer")
 }
 
+val home = System.getProperty("user.home")
+tasks.register<JavaExec>("projectorRun") {
+    classpath = sourceSets["main"].runtimeClasspath
+    mainClass.set("io.github.eb4j.ebview.EBViewer")
+    systemProperty("org.jetbrains.projector.server.enable", "true")
+    args = listOf("$home/Dicts")
+    group = "application"
+}
+
 application.applicationDistribution.into("") {
     from("README.md", "COPYING")
 }
@@ -69,19 +83,32 @@ repositories {
 
 dependencies {
     implementation("io.github.eb4j:eb4j:2.3.0")
-    implementation("org.slf4j:slf4j-simple:1.7.32")
-
-    implementation("commons-io:commons-io:2.11.0")
     implementation("org.apache.commons:commons-lang3:3.12.0")
     implementation("tokyo.northside:url-protocol-handler:0.1.4")
+
+    // for pdic
     implementation("com.ibm.icu:icu4j-charset:70.1")
 
+    // for stardict
     implementation("io.github.dictzip:dictzip:0.9.5")
     implementation("com.github.takawitter:trie4j:0.9.8")
 
+    // for video replay
     implementation("uk.co.caprica:vlcj:4.7.1")
 
     implementation("com.formdev:flatlaf:1.6.1")
+
+    // for projector support
+    implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
+    implementation("org.slf4j:slf4j-simple:1.7.30")
+    implementation("commons-io:commons-io:2.11.0")
+    implementation("org.jsoup:jsoup:1.13.1")
+    implementation("org.java-websocket:Java-WebSocket:1.5.1")
+    implementation("dnsjava:dnsjava:2.1.9")
+    implementation("org.javassist:javassist:3.27.0-GA")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-protobuf:1.2.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.1")
+
     testImplementation("org.codehaus.groovy:groovy-all:3.0.9")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.1")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")

src/main/java/io/github/eb4j/ebview/EBViewer.java

@@ -4,6 +4,8 @@
 import io.github.eb4j.ebview.dictionary.DictionariesManager;
 import io.github.eb4j.ebview.gui.MainWindow;
 import io.github.eb4j.ebview.gui.MainWindowMenu;
+import org.jetbrains.projector.server.ProjectorLauncher;
+import org.jetbrains.projector.server.ProjectorServer;
 import tokyo.northside.protocol.URLProtocolHandler;
 
 import javax.swing.JFrame;
@@ -14,13 +16,18 @@ public class EBViewer implements Runnable {
     private final DictionariesManager dictionariesManager;
     private final MainWindow mw;
 
-    public EBViewer(final File dictionaryDirectory) {
+    public EBViewer(final File dictionaryDirectory, final boolean remote) {
         dictionariesManager = new DictionariesManager();
         if (dictionaryDirectory != null) {
             dictionariesManager.loadDictionaries(dictionaryDirectory);
         }
         mw = new MainWindow(dictionariesManager);
-        new MainWindowMenu(this);
+        if (!remote) {
+            new MainWindowMenu(this);
+            mw.showMessage("Please add dictionaries from Dictionary menu at first.");
+        } else {
+            mw.showMessage("Please enter search word above input box.");
+        }
     }
 
     public DictionariesManager getDictionariesManager() {
@@ -36,14 +43,20 @@ public JFrame getApplicationFrame() {
      * @param args command line arguments.
      */
     public static void main(final String... args) {
+        boolean remote = ProjectorServer.isEnabled();
+        if (remote) {
+            if (!ProjectorLauncher.runProjectorServer()) {
+                throw new RuntimeException("Fail to start projector server");
+            }
+        }
         URLProtocolHandler.install();
         FlatLightLaf.setup();
         File dictionaryDirectory = null;
         if (args.length == 1) {
             dictionaryDirectory = new File(args[0]);
         }
         try {
-            EBViewer viewer = new EBViewer(dictionaryDirectory);
+            EBViewer viewer = new EBViewer(dictionaryDirectory, remote);
             Thread t = new Thread(viewer);
             t.start();
         } catch (Exception e) {

src/main/java/io/github/eb4j/ebview/gui/MainWindow.java

@@ -147,14 +147,17 @@ private void initializeGUI() {
         getContentPane().add(headingsPane, BorderLayout.WEST);
         getContentPane().add(articlePane, BorderLayout.CENTER);
         getContentPane().add(infoPanel, BorderLayout.EAST);
-        DICTIONARY_PANE.setText("Please add dictionaries from Dictionary menu at first.");
         if (SystemTray.isSupported()) {
             setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE);
         } else {
             setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         }
     }
 
+    public void showMessage(final String msg) {
+        DICTIONARY_PANE.setText(msg);
+    }
+
     private void startSearch() {
         Searcher searchSwingWorker = new Searcher(ebViewerModel, dictionariesManager);
         searchSwingWorker.execute();

src/main/java/io/github/eb4j/ebview/utils/ResourceUtil.java

@@ -1,7 +1,8 @@
 package io.github.eb4j.ebview.utils;
 
+import javax.imageio.ImageIO;
 import java.awt.Image;
-import java.awt.Toolkit;
+import java.io.IOException;
 import java.net.URL;
 
 public final class ResourceUtil {
@@ -33,7 +34,13 @@ private ResourceUtil() {
      */
     public static Image getImage(final String resourceName) {
         URL resourceURL = ResourceUtil.class.getResource(resourceName);
-        return Toolkit.getDefaultToolkit().getImage(resourceURL);
+        if (resourceURL != null) {
+            try {
+                return ImageIO.read(resourceURL);
+            } catch (IOException ignored) {
+            }
+        }
+        return null;
     }
 
     /**