WebBrowserViewport.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Input/CursorReply.h"
#include "Input/Reply.h"
#include "Rendering/RenderingCommon.h"
 
class FSlateShaderResource;
class IWebBrowserWindow;
 
class FWebBrowserViewport : public ISlateViewport
{
public:
    FWebBrowserViewport(TSharedPtr<IWebBrowserWindow> InWebBrowserWindow, bool InIsPopup = false)
        : WebBrowserWindow(InWebBrowserWindow)
        , bIsPopup(InIsPopup)
    { }
 
    ~FWebBrowserViewport( )
    {
    }
 
    // ISlateViewport interface
    WEBBROWSER_API virtual FIntPoint GetSize() const override;
    WEBBROWSER_API virtual FSlateShaderResource* GetViewportRenderTargetTexture() const override;
    WEBBROWSER_API virtual void Tick( const FGeometry& AllottedGeometry, double InCurrentTime, float DeltaTime ) override;
    WEBBROWSER_API virtual bool RequiresVsync() const override;
    WEBBROWSER_API virtual FCursorReply OnCursorQuery( const FGeometry& MyGeometry, const FPointerEvent& CursorEvent ) override;
    WEBBROWSER_API virtual FReply OnMouseButtonDown( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual FReply OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual void OnMouseEnter( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual void OnMouseLeave( const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual FReply OnMouseMove( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual FReply OnMouseWheel( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override;
    WEBBROWSER_API virtual FReply OnTouchGesture( const FGeometry& MyGeometry, const FPointerEvent& GestureEvent ) override;
    WEBBROWSER_API virtual FReply OnMouseButtonDoubleClick( const FGeometry& InMyGeometry, const FPointerEvent& InMouseEvent ) override;
    WEBBROWSER_API virtual FReply OnKeyDown( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) override;
    WEBBROWSER_API virtual FReply OnKeyUp( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) override;
    WEBBROWSER_API virtual FReply OnKeyChar( const FGeometry& MyGeometry, const FCharacterEvent& InCharacterEvent ) override;
    WEBBROWSER_API virtual FReply OnFocusReceived( const FFocusEvent& InFocusEvent ) override;
    WEBBROWSER_API virtual void OnFocusLost( const FFocusEvent& InFocusEvent ) override;
 
private:
    TSharedPtr<IWebBrowserWindow>   WebBrowserWindow;
    bool const                      bIsPopup;
};