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/****************************************************************************
**
** Copyright (C) 2018 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WEB_CHANNEL_IPC_TRANSPORT_H
#define WEB_CHANNEL_IPC_TRANSPORT_H
#include "qtwebenginecoreglobal.h"
#include "content/public/browser/web_contents_observer.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "content/public/browser/web_contents_binding_set.h"
#include "qtwebengine/browser/qtwebchannel.mojom.h"
#include <QWebChannelAbstractTransport>
QT_FORWARD_DECLARE_CLASS(QString)
namespace QtWebEngineCore {
class WebChannelIPCTransportHost
: public QWebChannelAbstractTransport
, private content::WebContentsObserver
, qtwebchannel::mojom::WebChannelTransportHost
{
public:
WebChannelIPCTransportHost(content::WebContents *webContents, uint32_t worldId = 0, QObject *parent = nullptr);
~WebChannelIPCTransportHost() override;
void setWorldId(uint32_t worldId);
uint32_t worldId() const;
// QWebChannelAbstractTransport
void sendMessage(const QJsonObject &message) override;
private:
void setWorldId(content::RenderFrameHost *frame, uint32_t worldId);
void resetWorldId();
void onWebChannelMessage(const std::vector<char> &message);
// WebContentsObserver
void RenderFrameCreated(content::RenderFrameHost *frame) override;
// qtwebchannel::mojom::WebChannelTransportHost
void DispatchWebChannelMessage(const std::vector<uint8_t> &binaryJson) override;
// Empty only during construction/destruction. Synchronized to all the
// WebChannelIPCTransports/RenderFrames in the observed WebContents.
uint32_t m_worldId;
content::WebContentsFrameBindingSet<qtwebchannel::mojom::WebChannelTransportHost> m_binding;
};
} // namespace
#endif // WEB_CHANNEL_IPC_TRANSPORT_H
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