| <!DOCTYPE html> |
| |
| <meta charset="utf-8"> |
| <title>Sending a message through PresentationConnection</title> |
| <link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs/"> |
| <link rel="help" href="http://w3c.github.io/presentation-api/#sending-a-message-through-presentationconnection"> |
| <script src="../common.js"></script> |
| <script src="stash.js"></script> |
| |
| <script> |
| const stash = new Stash(stashIds.toReceiver, stashIds.toController); |
| |
| navigator.presentation.receiver.connectionList.then(list => { |
| const connection = list.connections[0]; |
| |
| const message1 = '1st'; |
| const message2 = '2nd'; |
| const message3 = new Uint8Array([51, 114, 100]); // "3rd" |
| const message4 = new Uint8Array([52, 116, 104]); // "4th" |
| const message5 = new Uint8Array([108, 97, 115, 116]); // "last" |
| |
| // send messages |
| return stash.receive().then(() => { |
| connection.send(message1); // string |
| connection.send(message2); // string |
| connection.send(new Blob([message3])); // Blob |
| connection.send(message4.buffer); // ArrayBuffer |
| connection.send(message5); // ArrayBufferView |
| |
| return stash.receive(); |
| }).then(() => { |
| // try to send a message in the "closed" state |
| // Note: a receiving user agent does not fire a "terminate" event |
| connection.close(); |
| connection.onclose = () => { |
| try { |
| connection.send(message1); |
| stash.send(JSON.stringify({ type: 'ok' })); |
| } catch (e) { |
| stash.send(JSON.stringify({ type: 'error', name: e.name, message: e.message })); |
| } |
| }; |
| }); |
| }); |
| </script> |
