Files
UnrealEngine/Engine/Source/Runtime/WebBrowser/Private/WebBrowserModule.cpp
2025-05-18 13:04:45 +08:00

130 lines
3.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "WebBrowserModule.h"
#include "WebBrowserLog.h"
#include "WebBrowserSingleton.h"
#include "Misc/App.h"
#include "Misc/EngineVersion.h"
#include "Misc/Paths.h"
#if WITH_CEF3
# include "CEF3Utils.h"
# include "include/cef_version.h"
# if PLATFORM_MAC
# include "include/wrapper/cef_library_loader.h"
# endif
#endif
DEFINE_LOG_CATEGORY(LogWebBrowser);
static FWebBrowserSingleton* WebBrowserSingleton = nullptr;
FWebBrowserInitSettings::FWebBrowserInitSettings()
: ProductVersion(FString::Printf(TEXT("%s/%s UnrealEngine/%s"), FApp::GetProjectName(), FApp::GetBuildVersion(), *FEngineVersion::Current().ToString()))
{
}
class FWebBrowserModule : public IWebBrowserModule
{
private:
// IModuleInterface Interface
virtual void StartupModule() override;
virtual void ShutdownModule() override;
public:
virtual bool IsWebModuleAvailable() const override;
virtual IWebBrowserSingleton* GetSingleton() override;
virtual bool CustomInitialize(const FWebBrowserInitSettings& WebBrowserInitSettings) override;
private:
#if WITH_CEF3
bool bLoadedCEFModule = false;
#if PLATFORM_MAC
// Dynamically load the CEF framework library.
CefScopedLibraryLoader *CEFLibraryLoader = nullptr;
#endif
#endif
};
IMPLEMENT_MODULE( FWebBrowserModule, WebBrowser );
void FWebBrowserModule::StartupModule()
{
#if WITH_CEF3
if (!IsRunningCommandlet())
{
CEF3Utils::BackupCEF3Logfile(FPaths::ProjectLogDir());
}
bLoadedCEFModule = CEF3Utils::LoadCEF3Modules(true);
if (!bLoadedCEFModule)
{
return;
}
#if PLATFORM_MAC
// Dynamically load the CEF framework library into this dylibs memory space.
// CEF now loads function pointers at runtime so we need this to be dylib specific.
CEFLibraryLoader = new CefScopedLibraryLoader();
if (!CEFLibraryLoader->LoadInMain(TCHAR_TO_ANSI(*CEF3Utils::GetCEF3ModulePath())))
{
UE_LOG(LogWebBrowser, Error, TEXT("Chromium loader initialization failed"));
return;
}
#endif // PLATFORM_MAC
const int CefVersionMajor = cef_version_info(0);
const int CefVersionMinor = cef_version_info(1);
const int CefVersionPatch = cef_version_info(2);
const int CefCommitNumber = cef_version_info(3);
UE_LOG(LogWebBrowser, Log, TEXT("Loaded CEF3 version %i.%i.%i.%i from %s"), CefVersionMajor, CefVersionMinor, CefVersionPatch, CefCommitNumber, *CEF3Utils::GetCEF3ModulePath());
if (CefVersionMajor != CEF_VERSION_MAJOR || CefVersionMinor != CEF_VERSION_MINOR || CefVersionPatch != CEF_VERSION_PATCH || CefCommitNumber != CEF_COMMIT_NUMBER)
{
UE_LOG(LogWebBrowser, Warning, TEXT("CEF3 loaded version mismatch! Module was built against %i.%i.%i.%i, check if library loading path is correct"), CEF_VERSION_MAJOR, CEF_VERSION_MINOR, CEF_VERSION_PATCH, CEF_COMMIT_NUMBER);
}
#endif
}
void FWebBrowserModule::ShutdownModule()
{
if (WebBrowserSingleton != nullptr)
{
delete WebBrowserSingleton;
WebBrowserSingleton = nullptr;
}
#if WITH_CEF3
CEF3Utils::UnloadCEF3Modules();
#if PLATFORM_MAC
delete CEFLibraryLoader;
CEFLibraryLoader = nullptr;
#endif // PLATFORM_MAC
#endif
}
bool FWebBrowserModule::CustomInitialize(const FWebBrowserInitSettings& WebBrowserInitSettings)
{
if (WebBrowserSingleton == nullptr)
{
WebBrowserSingleton = new FWebBrowserSingleton(WebBrowserInitSettings);
return true;
}
return false;
}
IWebBrowserSingleton* FWebBrowserModule::GetSingleton()
{
if (WebBrowserSingleton == nullptr)
{
WebBrowserSingleton = new FWebBrowserSingleton(FWebBrowserInitSettings());
}
return WebBrowserSingleton;
}
bool FWebBrowserModule::IsWebModuleAvailable() const
{
#if WITH_CEF3
return bLoadedCEFModule;
#else
return true;
#endif
}