Add the loading error page

to make it clearer when the connectivity is a problem.

Change-Id: I828d75baf31d5333a3cb727a0baa8447e56f30d4
Reviewed-by: Andras Becsi <andras.becsi@digia.com>

2 files changed, 94 insertions, 0 deletions

diff --git a/basicsuite/webengine/ErrorPage.qml b/basicsuite/webengine/ErrorPage.qml
new file mode 100644
index 0000000..daa25d0
--- /dev/null
+++ b/basicsuite/webengine/ErrorPage.qml
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc and its Subsidiary(-ies) 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.1
+
+Rectangle {
+    id: errorPage
+    property alias mainMessage: errorMessage.text;
+    property bool displayingError: false;
+    anchors.fill: parent
+    color: "lightgray"
+    visible: displayingError
+
+    Rectangle {
+        color: "white"
+        anchors.centerIn: parent
+        height: parent.height / 3
+        width: Math.max(parent.width / 2, errorMessage.width + 20)
+
+        border {
+            color: "dimgray"
+            width: 0.5
+        }
+
+        radius: 20
+        Text {
+            id: errorMessage
+            color: "dimgray"
+            font.pixelSize: 20
+            anchors.centerIn: parent
+        }
+    }
+
+}
diff --git a/basicsuite/webengine/main.qml b/basicsuite/webengine/main.qml
index dcf40d7..30365ce 100644
--- a/basicsuite/webengine/main.qml
+++ b/basicsuite/webengine/main.qml
@@ -58,15 +58,38 @@ Rectangle {
     property url defaultUrl: Qt.resolvedUrl("content/index.html")
     function load(url) { mainWebView.url = url }
 
+    ErrorPage {
+        id: errorPage
+        anchors.fill: parent
+        displayingError: false
+    }
+
     WebEngineView {
         id: mainWebView
         anchors.fill: parent
         url: defaultUrl
+        visible: !errorPage.displayingError
         onLoadingChanged: {
             if (!loading) {
                 addressBar.cursorPosition = 0
                 toolBar.state = "address"
             }
+            var loadError = loadRequest.errorDomain
+            if (loadError == WebEngineView.NoErrorDomain) {
+                errorPage.displayingError = false
+                return;
+            }
+            errorPage.displayingError = true
+            if (loadError == WebEngineView.InternalErrorDomain)
+                errorPage.mainMessage = "Internal error"
+            else if (loadError == WebEngineView.ConnectionErrorDomain)
+                errorPage.mainMessage = "Unable to connect to the Internet"
+            else if (loadError == WebEngineView.CertificateErrorDomain)
+                errorPage.mainMessage = "Certificate error"
+            else if (loadError == WebEngineView.DnsErrorDomain)
+                errorPage.mainMessage = "Unable to resolve the server's DNS address"
+            else // HTTP and FTP
+                errorPage.mainMessage = "Protocol error"
         }
     }