feat: viewport size

lib/src/main/java/com/microsoft/playwright/impl/PageImpl.java

@@ -348,7 +348,9 @@ public class PageImpl extends ChannelOwner implements Page {
 
   @Override
   public void setViewportSize(ViewportSize viewportSize) {
-
+    JsonObject params = new JsonObject();
+    params.add("viewportSize", new Gson().toJsonTree(viewportSize).getAsJsonObject());
+    sendMessage("setViewportSize", params);
   }
 
   @Override

lib/src/test/java/com/microsoft/playwright/TestPopup.java

@@ -19,14 +19,12 @@ package com.microsoft.playwright;
 import org.junit.jupiter.api.*;
 
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
 import static com.microsoft.playwright.Page.LoadState.DOMCONTENTLOADED;
+import static com.microsoft.playwright.Utils.mapOf;
 import static org.junit.jupiter.api.Assertions.*;
 
 public class TestPopup {
@@ -111,9 +109,8 @@ public class TestPopup {
 
   @Test
   void should_inherit_extra_headers_from_browser_context() throws ExecutionException, InterruptedException {
-    Map<String, String> headers = new HashMap<>();
-    headers.put("foo", "bar");
-    BrowserContext context = browser.newContext(new Browser.NewContextOptions().withExtraHTTPHeaders(headers));
+    BrowserContext context = browser.newContext(new Browser.NewContextOptions()
+      .withExtraHTTPHeaders(mapOf("foo", "bar")));
     Page page = context.newPage();
     page.navigate(server.EMPTY_PAGE);
     Future<Server.Request> requestPromise = server.waitForRequest("/dummy.html");
@@ -150,4 +147,53 @@ public class TestPopup {
     assertEquals("Woof-Woof", popup.get().title());
     context.close();
   }
+
+  @Test
+  void should_inherit_touch_support_from_browser_context() {
+    BrowserContext context = browser.newContext(new Browser.NewContextOptions()
+      .setViewport().withWidth(400).withHeight(500).done()
+      .withHasTouch(true));
+    Page page = context.newPage();
+    page.navigate(server.EMPTY_PAGE);
+    Object hasTouch = page.evaluate("() => {\n" +
+      "  const win = window.open('');\n" +
+      "  return 'ontouchstart' in win;\n" +
+      "}");
+    context.close();
+    assertEquals(true, hasTouch);
+  }
+
+  @Test
+  void should_inherit_viewport_size_from_browser_context() {
+    BrowserContext context = browser.newContext(new Browser.NewContextOptions()
+      .setViewport().withWidth(400).withHeight(500).done());
+    Page page = context.newPage();
+    page.navigate(server.EMPTY_PAGE);
+    Object size = page.evaluate("() => {\n" +
+      "  const win = window.open('about:blank');\n" +
+      "  return { width: win.innerWidth, height: win.innerHeight };\n" +
+      "}");
+    context.close();
+    assertEquals(mapOf("width", 400, "height", 500), size);
+  }
+
+  @Test
+  void should_use_viewport_size_from_window_features() {
+    BrowserContext context = browser.newContext(new Browser.NewContextOptions()
+      .setViewport().withWidth(700).withHeight(700).done());
+    Page page = context.newPage();
+    page.navigate(server.EMPTY_PAGE);
+    Deferred<Page> popupEvent = page.waitForPopup();
+    Object size = page.evaluate("() => {\n" +
+      "  const win = window.open(window.location.href, 'Title', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=300,top=0,left=0');\n" +
+      "  return { width: win.innerWidth, height: win.innerHeight };\n" +
+      "}");
+    Page popup = popupEvent.get();
+    popup.setViewportSize(new Page.ViewportSize().withWidth(500).withHeight(400));
+    popup.waitForLoadState();
+    Object resized = popup.evaluate("() => ({ width: window.innerWidth, height: window.innerHeight })");
+    context.close();
+    assertEquals(mapOf("width", 600, "height", 300), size);
+    assertEquals(mapOf("width", 500, "height", 400), resized);
+  }
 }

lib/src/test/java/com/microsoft/playwright/Utils.java

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * 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 com.microsoft.playwright;
+
+import java.util.HashMap;
+import java.util.Map;
+
+class Utils {
+  static Map mapOf(Object... entries) {
+    Map result = new HashMap();
+    for (int i = 0; i + 1 < entries.length; i += 2) {
+      result.put(entries[i], entries[i + 1]);
+    }
+    return result;
+  }
+}