From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

---
 files/ja/web/api/windowclient/focused/index.html | 73 ++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 files/ja/web/api/windowclient/focused/index.html

(limited to 'files/ja/web/api/windowclient/focused')

diff --git a/files/ja/web/api/windowclient/focused/index.html b/files/ja/web/api/windowclient/focused/index.html
new file mode 100644
index 0000000000..31eefaf0dd
--- /dev/null
+++ b/files/ja/web/api/windowclient/focused/index.html
@@ -0,0 +1,73 @@
+---
+title: WindowClient.focused
+slug: Web/API/WindowClient/focused
+tags:
+  - API
+  - Property
+  - Reference
+  - Service Workers
+  - ServiceWorker
+  - WindowClient
+  - focused
+translation_of: Web/API/WindowClient/focused
+---
+<div>{{APIRef("Service Workers API")}}</div>
+
+<p><span class="seoSummary">{{domxref("WindowClient")}} インターフェイスの <strong><code>focused</code></strong> 読み取り専用プロパティは、現在のクライアントにフォーカスがあるかどうかを示す {{jsxref("Boolean")}} です。</span></p>
+
+<h2 id="Syntax" name="Syntax">構文</h2>
+
+<pre class="syntaxbox">var <em>myFocused</em> = <em>windowClient</em>.focused;</pre>
+
+<h3 id="Value" name="Value">値</h3>
+
+<p>{{jsxref("Boolean")}}。</p>
+
+<h2 id="Example" name="Example">例</h2>
+
+<pre class="brush: js">self.addEventListener('notificationclick', function(event) {
+  console.log('On notification click: ', event.notification.tag);
+  event.notification.close();
+
+  // これは、クライアントが既に開いているかどうかを確認し、
+  // 開いている場合にフォーカスを合わせます
+  event.waitUntil(clients.matchAll({
+    type: "window"
+  }).then(function(clientList) {
+    for (var i = 0; i &lt; clientList.length; i++) {
+      var client = clientList[i];
+      if (client.url == '/' &amp;&amp; 'focus' in client) {
+        if(!client.focused)
+          return client.focus();
+        }
+      }
+    }
+    if (clients.openWindow)
+      return clients.openWindow('/');
+  }));
+});</pre>
+
+<h2 id="Specifications" name="Specifications">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">仕様</th>
+   <th scope="col">状態</th>
+   <th scope="col">コメント</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Service Workers', '#dom-windowclient-focused', 'WindowClient: focused')}}</td>
+   <td>{{Spec2('Service Workers')}}</td>
+   <td>初期定義</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+<div>
+
+
+<p>{{Compat("api.WindowClient.focused")}}</p>
+</div>
-- 
cgit v1.2.3-54-g00ecf