TSharedPtr<IWebBrowserWindow> FWebBrowserSingleton::CreateBrowserWindow(
void* OSWindowHandle,
FString InitialURL,
uint32 Width,
uint32 Height,
bool bUseTransparency,
bool bThumbMouseButtonNavigation,
TOptional<FString> ContentsToLoad,
bool ShowErrorMessage,
FColor BackgroundColor)
{
#if WITH_CEF3
// Create new window
TSharedPtr<FWebBrowserWindow> NewWindow(new FWebBrowserWindow(FIntPoint(Width, Height), InitialURL, ContentsToLoad, ShowErrorMessage, bThumbMouseButtonNavigation, bUseTransparency));
// WebBrowserHandler implements browser-level callbacks.
CefRefPtr<FWebBrowserHandler> NewHandler(new FWebBrowserHandler);
NewWindow->SetHandler(NewHandler);
// Information used when creating the native window.
CefWindowHandle WindowHandle = (CefWindowHandle)OSWindowHandle; // TODO: check this is correct for all platforms
CefWindowInfo WindowInfo;
// Always use off screen rendering so we can integrate with our windows
WindowInfo.SetAsWindowless(WindowHandle, bUseTransparency);
// Specify CEF browser settings here.
CefBrowserSettings BrowserSettings;
// Set max framerate to maximum supported.
BrowserSettings.windowless_frame_rate = 60;
BrowserSettings.background_color = CefColorSetARGB(BackgroundColor.A, BackgroundColor.R, BackgroundColor.G, BackgroundColor.B);
// Disable plugins
BrowserSettings.plugins = STATE_DISABLED;
CefString URL = *InitialURL;
// Create the CEF browser window.
if (CefBrowserHost::CreateBrowser(WindowInfo, NewHandler.get(), URL, BrowserSettings, NULL))
{
WindowInterfaces.Add(NewWindow);
return NewWindow;
}
#endif
return NULL;
}
bool FWebBrowserHandler::ShowDevTools(const CefRefPtr<CefBrowser>& Browser)
{
CefPoint Point;
CefString TargetUrl = "chrome-devtools://devtools/devtools.html";
CefString TargetFrameName = "devtools";
CefPopupFeatures PopupFeatures;
CefWindowInfo WindowInfo;
CefRefPtr<CefClient> NewClient;
CefBrowserSettings BrowserSettings;
bool NoJavascriptAccess = false;
PopupFeatures.xSet = false;
PopupFeatures.ySet = false;
PopupFeatures.heightSet = false;
PopupFeatures.widthSet = false;
PopupFeatures.locationBarVisible = false;
PopupFeatures.menuBarVisible = false;
PopupFeatures.toolBarVisible = false;
PopupFeatures.statusBarVisible = false;
PopupFeatures.resizable = true;
PopupFeatures.additionalFeatures = cef_string_list_alloc();
// Override the parent window setting for transparency, as the Dev Tools require a solid background
CefString OverrideTransparencyFeature = "Epic_NoTransparency";
cef_string_list_append(PopupFeatures.additionalFeatures, OverrideTransparencyFeature.GetStruct());
// Set max framerate to maximum supported.
BrowserSettings.windowless_frame_rate = 60;
// Disable plugins
BrowserSettings.plugins = STATE_DISABLED;
// Dev Tools look best with a white background color
BrowserSettings.background_color = CefColorSetARGB(255, 255, 255, 255);
// OnBeforePopup already takes care of all the details required to ask the host application to create a new browser window.
bool bSuppressWindowCreation = OnBeforePopup(Browser, Browser->GetFocusedFrame(), TargetUrl, TargetFrameName, PopupFeatures, WindowInfo, NewClient, BrowserSettings, &NoJavascriptAccess);
if(! bSuppressWindowCreation)
{
Browser->GetHost()->ShowDevTools(WindowInfo, NewClient, BrowserSettings, Point);
}
return !bSuppressWindowCreation;
}
