Add View Source API and make the feature available from context menu

[ChangeLog][QtWebEngineQML][QQuickWebEngineView] View Source feature is
now supported
[ChangeLog][QtWebEngineWidgets][QWebEnginePage] View Source feature is
now supported

Change-Id: Icc16da71fc6ec95880897fc9744dd8be8c004e00
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

2 files changed, 94 insertions, 0 deletions

diff --git a/tests/auto/quick/qmltests/data/tst_viewSource.qml b/tests/auto/quick/qmltests/data/tst_viewSource.qml
new file mode 100644
index 000000000..7c7dd34e0
--- /dev/null
+++ b/tests/auto/quick/qmltests/data/tst_viewSource.qml
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtTest 1.0
+import QtWebEngine 1.4
+
+TestWebEngineView {
+    id: webEngineView
+    width: 200
+    height: 400
+
+    property var viewRequest: null
+
+    SignalSpy {
+        id: newViewRequestedSpy
+        target: webEngineView
+        signalName: "newViewRequested"
+    }
+
+    SignalSpy {
+        id: titleChangedSpy
+        target: webEngineView
+        signalName: "titleChanged"
+    }
+
+    onNewViewRequested: {
+        viewRequest = {
+            "destination": request.destination,
+            "userInitiated": request.userInitiated
+        };
+
+        request.openIn(webEngineView);
+    }
+
+    TestCase {
+        id: test
+        name: "WebEngineViewSource"
+
+        function init() {
+            newViewRequestedSpy.clear();
+            titleChangedSpy.clear();
+            viewRequest = null;
+        }
+
+        function test_viewSource() {
+            webEngineView.url = Qt.resolvedUrl("test1.html");
+            verify(webEngineView.waitForLoadSucceeded());
+            compare(webEngineView.title, "Test page 1");
+            verify(webEngineView.canViewSource, true);
+
+            titleChangedSpy.clear();
+            webEngineView.viewSource();
+            tryCompare(newViewRequestedSpy, "count", 1);
+            verify(webEngineView.waitForLoadSucceeded());
+            // The first titleChanged signal is emitted by adoptWebContents()
+            tryCompare(titleChangedSpy, "count", 2);
+
+            compare(viewRequest.destination, WebEngineView.NewViewInTab);
+            verify(viewRequest.userInitiated);
+            verify(!webEngineView.canViewSource);
+
+            compare(webEngineView.title, "test1.html");
+            compare(webEngineView.url, "view-source:" + Qt.resolvedUrl("test1.html"));
+        }
+    }
+}
+
diff --git a/tests/auto/quick/qmltests/qmltests.pro b/tests/auto/quick/qmltests/qmltests.pro
index 0158a7268..abb0a86fb 100644
--- a/tests/auto/quick/qmltests/qmltests.pro
+++ b/tests/auto/quick/qmltests/qmltests.pro
@@ -63,6 +63,7 @@ OTHER_FILES += \
     $$PWD/data/tst_titleChanged.qml \
     $$PWD/data/tst_unhandledKeyEventPropagation.qml \
     $$PWD/data/tst_userScripts.qml \
+    $$PWD/data/tst_viewSource.qml \
     $$PWD/data/tst_webchannel.qml \
     $$PWD/data/tst_settings.qml \
     $$PWD/data/tst_keyboardModifierMapping.qml \