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Diffstat (limited to 'examples/webenginewidgets/webui/webuihandler.cpp')
-rw-r--r-- | examples/webenginewidgets/webui/webuihandler.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/examples/webenginewidgets/webui/webuihandler.cpp b/examples/webenginewidgets/webui/webuihandler.cpp new file mode 100644 index 000000000..63c249368 --- /dev/null +++ b/examples/webenginewidgets/webui/webuihandler.cpp @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** Copyright (C) 2018 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "webuihandler.h" + +#include <QApplication> +#include <QFile> +#include <QWebEngineUrlRequestJob> +#include <QWebEngineUrlScheme> + +#define SCHEMENAME "webui" + +const QByteArray WebUiHandler::schemeName = QByteArrayLiteral(SCHEMENAME); +const QUrl WebUiHandler::aboutUrl = QUrl(QStringLiteral(SCHEMENAME ":about")); + +WebUiHandler::WebUiHandler(QObject *parent) + : QWebEngineUrlSchemeHandler(parent) +{ +} + +void WebUiHandler::requestStarted(QWebEngineUrlRequestJob *job) +{ + static const QUrl webUiOrigin(QStringLiteral(SCHEMENAME ":")); + static const QByteArray GET(QByteArrayLiteral("GET")); + static const QByteArray POST(QByteArrayLiteral("POST")); + + QByteArray method = job->requestMethod(); + QUrl url = job->requestUrl(); + QUrl initiator = job->initiator(); + + if (method == GET && url == aboutUrl) { + QFile *file = new QFile(QStringLiteral(":/about.html"), job); + file->open(QIODevice::ReadOnly); + job->reply(QByteArrayLiteral("text/html"), file); + } else if (method == POST && url == aboutUrl && initiator == webUiOrigin) { + job->fail(QWebEngineUrlRequestJob::RequestAborted); + QApplication::exit(); + } else { + job->fail(QWebEngineUrlRequestJob::UrlNotFound); + } +} + +// static +void WebUiHandler::registerUrlScheme() +{ + QWebEngineUrlScheme webUiScheme(schemeName); + webUiScheme.setFlags(QWebEngineUrlScheme::SecureScheme | + QWebEngineUrlScheme::LocalScheme | + QWebEngineUrlScheme::LocalAccessAllowed); + QWebEngineUrlScheme::registerScheme(webUiScheme); +} |