Integrate with WebChannel

Provide a transport mechanism for WebChannel over chromium IPC and
expose WebChannel in our experimental QML API.

Co-authored by Milian Wolff.

Change-Id: Ia24b1d4ebc8515de677d4849ec33cb55c963918e
Reviewed-by: Andras Becsi <andras.becsi@theqtcompany.com>

2 files changed, 135 insertions, 0 deletions

diff --git a/tests/auto/quick/qmltests/data/tst_webchannel.qml b/tests/auto/quick/qmltests/data/tst_webchannel.qml
new file mode 100644
index 000000000..1abb191e1
--- /dev/null
+++ b/tests/auto/quick/qmltests/data/tst_webchannel.qml
@@ -0,0 +1,114 @@
+/*********************************************************************
+** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebChannel module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtTest 1.0
+import QtWebEngine 1.0
+import QtWebEngine.experimental 1.0
+
+import QtWebChannel 1.0
+
+Item {
+    id: test
+    signal barCalled(var arg)
+    signal clientInitializedCalled(var arg)
+
+    QtObject {
+        id: testObject
+        WebChannel.id: "testObject"
+
+        property var foo: 42
+
+        function clientInitialized(arg)
+        {
+            clientInitializedCalled(arg);
+        }
+
+        function bar(arg) {
+            barCalled(arg);
+        }
+
+        signal runTest(var foo)
+    }
+
+    TestWebEngineView {
+        id: webView
+        experimental.webChannel.registeredObjects: [testObject]
+    }
+
+    SignalSpy {
+        id: initializedSpy
+        target: test
+        signalName: "clientInitializedCalled"
+    }
+
+    SignalSpy {
+        id: barSpy
+        target: test
+        signalName: "barCalled"
+    }
+
+    TestCase {
+        name: "WebViewWebChannel"
+        property url testUrl: Qt.resolvedUrl("./webchannel-test.html")
+
+        function init() {
+            initializedSpy.clear();
+            barSpy.clear();
+        }
+
+        function test_basic() {
+            webView.url = testUrl;
+            verify(webView.waitForLoadSucceeded());
+
+            initializedSpy.wait();
+            compare(initializedSpy.signalArguments.length, 1);
+            compare(initializedSpy.signalArguments[0][0], 42);
+
+            var newValue = "roundtrip";
+            testObject.runTest(newValue);
+            barSpy.wait();
+            compare(barSpy.signalArguments.length, 1);
+            compare(barSpy.signalArguments[0][0], newValue);
+
+            compare(testObject.foo, newValue);
+        }
+    }
+}
diff --git a/tests/auto/quick/qmltests/data/webchannel-test.html b/tests/auto/quick/qmltests/data/webchannel-test.html
new file mode 100644
index 000000000..940821209
--- /dev/null
+++ b/tests/auto/quick/qmltests/data/webchannel-test.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <script type="text/javascript" src="qrc:///qtwebchannel/qwebchannel.js"></script>
+        <script type="text/javascript">
+            //BEGIN SETUP
+            var channel = new QWebChannel(navigator.qtWebChannelTransport, function(channel) {
+                window.testObject = channel.objects.testObject;
+                testObject.runTest.connect(function(foo) {
+                    testObject.foo = foo;
+                    testObject.bar(foo);
+                });
+                testObject.clientInitialized(testObject.foo);
+            });
+            //END SETUP
+        </script>
+    </head>
+    <body>
+    </body>
+</html>