From ec022d0efec47e0e68cdec1c2e018ce864cc015c Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@qt.io>
Date: Mon, 20 Aug 2018 14:35:40 +0200
Subject: Port WorkerScript threading examples to use ES modules

This is the more modern way of doing things, so demonstrate that in our
examples and documentation.

Change-Id: Icd5316fbeeb00c34d470c8d871851945dc831244
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 .../quick/threading/workerscript/workerscript.mjs  | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 examples/quick/threading/workerscript/workerscript.mjs

(limited to 'examples/quick/threading/workerscript/workerscript.mjs')

diff --git a/examples/quick/threading/workerscript/workerscript.mjs b/examples/quick/threading/workerscript/workerscript.mjs
new file mode 100644
index 0000000000..9953958086
--- /dev/null
+++ b/examples/quick/threading/workerscript/workerscript.mjs
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Will be initialized when WorkerScript{} is instantiated
+var cache = new Array(64);
+for (var i = 0; i < 64; i++)
+    cache[i] = new Array(64);
+
+function triangle(row, column) {
+    if (cache[row][column])
+        return cache[row][column]
+    if (column < 0 || column > row)
+        return -1;
+    if (column == 0 || column == row)
+        return 1;
+    return triangle(row-1, column-1) + triangle(row-1, column);
+}
+//! [0]
+WorkerScript.onMessage = function(message) {
+    //Calculate result (may take a while, using a naive algorithm)
+    var calculatedResult = triangle(message.row, message.column);
+    //Send result back to main thread
+    WorkerScript.sendMessage( { row: message.row,
+                                column: message.column,
+                                result: calculatedResult} );
+}
+//! [0]
-- 
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