Add 'show' command to build-in server. This command brings IDE to front.

platform/built-in-server/src/org/jetbrains/ide/ActivateApplicationHttpService.java

@@ -0,0 +1,57 @@
+package org.jetbrains.ide;
+
+import com.intellij.openapi.wm.IdeFocusManager;
+import com.intellij.openapi.wm.IdeFrame;
+import com.intellij.ui.AppIcon;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpMethod;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.QueryStringDecoder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+import java.awt.*;
+import java.io.IOException;
+
+/**
+ * @author Konstantin Bulenkov
+ */
+public class ActivateApplicationHttpService extends RestService {
+  @NotNull
+  @Override
+  protected String getServiceName() {
+    return "show";
+  }
+
+  @Override
+  protected boolean isMethodSupported(@NotNull HttpMethod method) {
+    return method == HttpMethod.GET;
+  }
+
+  @Nullable
+  @Override
+  public String execute(@NotNull QueryStringDecoder urlDecoder, @NotNull FullHttpRequest request, @NotNull ChannelHandlerContext context)
+    throws IOException {
+    final IdeFrame frame = IdeFocusManager.findInstance().getLastFocusedFrame();
+    if (frame instanceof Window) {
+      sendOk(request, context);
+      Runnable runnable = new Runnable() {
+        public void run() {
+          Window window = (Window)frame;
+          window.toFront();
+          window.requestFocusInWindow();
+
+          AppIcon.getInstance().requestFocus(frame);
+
+        }
+      };
+      //noinspection SSBasedInspection
+      SwingUtilities.invokeLater(runnable);
+      return "Success";
+    }
+    sendStatus(HttpResponseStatus.NOT_FOUND, false, context.channel());
+    return "Can't find IDE Frame";
+  }
+}

platform/platform-resources/src/META-INF/built-in-server.xml

@@ -27,6 +27,7 @@
     <httpRequestHandler implementation="org.jetbrains.ide.XmlRpcServerImpl$XmlRpcRequestHandler"/>
     <httpRequestHandler implementation="org.jetbrains.ide.ProjectSetRequestHandler"/>
     <httpRequestHandler implementation="org.jetbrains.ide.DiffHttpService"/>
+    <httpRequestHandler implementation="org.jetbrains.ide.ActivateApplicationHttpService"/>
     <httpRequestHandler implementation="org.jetbrains.ide.OpenFileHttpService"/>
     <httpRequestHandler implementation="org.jetbrains.ide.AboutHttpService"/>
     <httpRequestHandler implementation="org.jetbrains.ide.JetBrainsProtocolHandlerHttpService"/>