Add ToolTip support for Qt WebEngine (QML)

[ChangeLog][QtWebEngineQML][QQuickWebEngineView] ToolTip
(HTML global title attribute) are now handled.

Task-numner: QTBUG-54108
Change-Id: I78cc3c1e934a822d6399ebd35c8c7895fbdf5749
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

2 files changed, 93 insertions, 1 deletions

diff --git a/src/webengine/ui/ToolTip.qml b/src/webengine/ui/ToolTip.qml
new file mode 100644
index 000000000..96033e8f1
--- /dev/null
+++ b/src/webengine/ui/ToolTip.qml
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.5
+
+Item {
+    id: toolTipContainer
+    z: 9999
+    width: content.width
+    height: content.height
+    visible: false
+
+    property alias text: toolTip.text
+    property int delayTimerInterval: 1000
+    property int hideTimerInterval: 1500
+
+    Timer {
+        id: delayTimer
+        interval: delayTimerInterval
+        onTriggered: {
+            toolTipContainer.visible = true
+            hideTimer.start()
+        }
+    }
+
+    Timer {
+        id: hideTimer
+        interval: hideTimerInterval
+        onTriggered: toolTipContainer.visible = false
+    }
+
+    Rectangle {
+        id: content
+        color: "#f8eabf"
+        border.color: "black"
+        anchors.centerIn: parent
+        width: toolTip.contentWidth + 10
+        height: toolTip.contentHeight + 10
+        radius: 3
+
+       Text {
+            id: toolTip
+            anchors {fill: parent; margins: 5}
+            wrapMode: Text.WrapAnywhere
+        }
+    }
+
+    function open() {
+        delayTimer.start();
+    }
+
+    function hide() {
+        hideTimer.start();
+    }
+}
diff --git a/src/webengine/ui/ui.pro b/src/webengine/ui/ui.pro
index 249d7dcfd..60dab61d6 100644
--- a/src/webengine/ui/ui.pro
+++ b/src/webengine/ui/ui.pro
@@ -14,6 +14,7 @@ QML_FILES += \
     MenuItem.qml \
     MenuSeparator.qml \
     # Message Bubble
-    MessageBubble.qml
+    MessageBubble.qml \
+    ToolTip.qml
 
 load(qml_module)