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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef WEB_CHANNEL_IPC_TRANSPORT_H
#define WEB_CHANNEL_IPC_TRANSPORT_H
#include "content/public/renderer/render_frame_observer.h"
#include "mojo/public/cpp/bindings/associated_receiver.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "qtwebengine/browser/qtwebchannel.mojom.h"
#include <QtCore/qglobal.h>
namespace QtWebEngineCore {
class WebChannelIPCTransport
: private content::RenderFrameObserver
, public qtwebchannel::mojom::WebChannelTransportRender
{
public:
WebChannelIPCTransport(content::RenderFrame *);
private:
// qtwebchannel::mojom::WebChannelTransportRender
void SetWorldId(uint32_t worldId) override;
void ResetWorldId() override;
void DispatchWebChannelMessage(const std::vector<uint8_t> &json, uint32_t worldId) override;
// RenderFrameObserver
void DidCreateScriptContext(v8::Local<v8::Context> context, int32_t worldId) override;
void WillReleaseScriptContext(v8::Local<v8::Context> context, int worldId) override;
void OnDestruct() override;
void BindReceiver(mojo::PendingAssociatedReceiver<qtwebchannel::mojom::WebChannelTransportRender> receiver);
private:
// The worldId from our WebChannelIPCTransportHost or empty when there is no
// WebChannelIPCTransportHost.
uint32_t m_worldId;
bool m_worldInitialized;
// True means it's currently OK to manipulate the frame's script context.
bool m_canUseContext = false;
mojo::AssociatedReceiver<qtwebchannel::mojom::WebChannelTransportRender> m_binding;
};
} // namespace
#endif // WEB_CHANNEL_IPC_TRANSPORT
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