Merge pull request #817 from scala-js/feature/broadcast-channel

Add `BroadcastChannel`

Author: armanbilge

api-reports/2_12.txt

@@ -612,6 +612,16 @@ Body[JT] def bodyUsed: Boolean
 Body[JT] def formData(): js.Promise[FormData]
 Body[JT] def json(): js.Promise[js.Any]
 Body[JT] def text(): js.Promise[String]
+BroadcastChannel[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
+BroadcastChannel[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
+BroadcastChannel[JC] def close(): Unit
+BroadcastChannel[JC] def dispatchEvent(evt: Event): Boolean
+BroadcastChannel[JC] def name: String
+BroadcastChannel[JC] var onmessage: js.Function1[MessageEvent, _]
+BroadcastChannel[JC] var onmessageerror: js.Function1[MessageEvent, _]
+BroadcastChannel[JC] def postMessage(message: Any): Unit
+BroadcastChannel[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
+BroadcastChannel[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
 CDATASection[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 CDATASection[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
 CDATASection[JC] def appendChild(newChild: Node): Node

api-reports/2_13.txt

@@ -612,6 +612,16 @@ Body[JT] def bodyUsed: Boolean
 Body[JT] def formData(): js.Promise[FormData]
 Body[JT] def json(): js.Promise[js.Any]
 Body[JT] def text(): js.Promise[String]
+BroadcastChannel[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
+BroadcastChannel[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
+BroadcastChannel[JC] def close(): Unit
+BroadcastChannel[JC] def dispatchEvent(evt: Event): Boolean
+BroadcastChannel[JC] def name: String
+BroadcastChannel[JC] var onmessage: js.Function1[MessageEvent, _]
+BroadcastChannel[JC] var onmessageerror: js.Function1[MessageEvent, _]
+BroadcastChannel[JC] def postMessage(message: Any): Unit
+BroadcastChannel[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
+BroadcastChannel[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
 CDATASection[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 CDATASection[JC] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
 CDATASection[JC] def appendChild(newChild: Node): Node

dom/src/main/scala/org/scalajs/dom/BroadcastChannel.scala

@@ -0,0 +1,33 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.JSGlobal
+
+/** A named channel that any browsing context of a given origin can subscribe to. It allows communication between
+  * different documents (in different windows, tabs, frames or iframes) of the same origin. Messages are broadcasted via
+  * a message event fired at all BroadcastChannel objects listening to the channel, except the object that sent the
+  * message.
+  */
+@js.native
+@JSGlobal
+class BroadcastChannel(channelName: String) extends EventTarget {
+
+  /** Uniquely identifies the given channel with its name */
+  def name: String = js.native
+
+  /** terminates the connection to the underlying channel, allowing the object to be garbage collected */
+  def close(): Unit = js.native
+
+  /** Sends a message, which can be of any kind of Object, to each listener in any browsing context with the same origin
+    */
+  def postMessage(message: Any): Unit = js.native
+
+  /** The message event is fired on a BroadcastChannel object when a message arrives on that channel */
+  var onmessage: js.Function1[MessageEvent, _] = js.native
+
+  /** The messageerror event is fired on a BroadcastChannel object when a message that can't be deserialized arrives on
+    * the channel
+    */
+  var onmessageerror: js.Function1[MessageEvent, _] = js.native
+
+}