76 lines
3.0 KiB
C++
76 lines
3.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#if PLATFORM_ANDROID || PLATFORM_IOS || PLATFORM_MAC
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#include "WebJSFunction.h"
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#include "WebJSScripting.h"
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DECLARE_LOG_CATEGORY_EXTERN(LogMobileJSScripting, Log, All);
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typedef TSharedRef<class FMobileJSScripting> FMobileJSScriptingRef;
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typedef TSharedPtr<class FMobileJSScripting> FMobileJSScriptingPtr;
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/**
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* Implements handling of bridging UObjects client side with JavaScript renderer side.
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*/
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class FMobileJSScripting
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: public FWebJSScripting
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, public TSharedFromThis<FMobileJSScripting>
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{
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public:
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static const FString JSMessageTag;
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static const FString JSMessageHandler;
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FMobileJSScripting(bool bJSBindingToLoweringEnabled, bool bInjectJSOnPageStarted, bool bDefaultJSReturnInDict);
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virtual void BindUObject(const FString& Name, UObject* Object, bool bIsPermanent = true) override;
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virtual void UnbindUObject(const FString& Name, UObject* Object = nullptr, bool bIsPermanent = true) override;
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void BindUObject(const TSharedRef<class IWebBrowserWindow>& InWindow, const FString& Name, UObject* Object, bool bIsPermanent = true);
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void UnbindUObject(const TSharedRef<class IWebBrowserWindow>& InWindow, const FString& Name, UObject* Object = nullptr, bool bIsPermanent = true);
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/**
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* Called when a message was received from the browser process.
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*
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* @param Command The command sent from the browser.
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* @param Params Command-specific data.
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* @return true if the message was handled, else false.
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*/
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bool OnJsMessageReceived(const FString& Command, const TArray<FString>& Params, const FString& Origin);
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FString ConvertStruct(UStruct* TypeInfo, const void* StructPtr);
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FString ConvertObject(UObject* Object);
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virtual void InvokeJSFunction(FGuid FunctionId, int32 ArgCount, FWebJSParam Arguments[], bool bIsError=false) override;
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virtual void InvokeJSErrorResult(FGuid FunctionId, const FString& Error) override;
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void PageStarted(const TSharedRef<class IWebBrowserWindow>& InWindow); // Called when page load started
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void PageLoaded(const TSharedRef<class IWebBrowserWindow>& InWindow); // Called on page completely loaded
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void SetWindow(const TSharedRef<class IWebBrowserWindow>& InWindow);
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private:
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void InitializeScript(const TSharedRef<class IWebBrowserWindow>& InWindow);
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void InjectJavascript(const TSharedRef<class IWebBrowserWindow>& InWindow);
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void InvokeJSFunctionRaw(FGuid FunctionId, const FString& JSValue, bool bIsError=false);
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bool IsValid()
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{
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return WindowPtr.Pin().IsValid();
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}
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void AddPermanentBind(const FString& Name, UObject* Object);
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void RemovePermanentBind(const FString& Name, UObject* Object);
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/** Message handling helpers */
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bool HandleExecuteUObjectMethodMessage(const TArray<FString>& Params);
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/** Pointer to the Mobile Browser for this window. */
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TWeakPtr<class IWebBrowserWindow> WindowPtr;
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/** When to inject JS code */
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bool bInjectJSOnPageStarted;
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bool bDefaultJSReturnInDict;
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};
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#endif // PLATFORM_ANDROID || PLATFORM_IOS || PLATFORM_MAC
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