// Copyright 2026 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "chrome/browser/ui/android/lens/lens_overlay_untrusted_ui_android.h" #include "base/memory/ref_counted_memory.h" #include "chrome/common/webui_url_constants.h" #include "content/public/browser/web_contents.h" #include "content/public/browser/web_ui.h" #include "content/public/browser/web_ui_data_source.h" namespace lens { namespace { // TODO(crbug.com/526671849): These hardcoded strings are temporary placeholders // and MUST be removed when the real WebUI assets (HTML/JS files) are ported and // served via standard Chromium resource packing (.grd files). constexpr char kLensOverlayCss[] = R"CSS(html, body { align-items: center; display: flex; font-family: sans-serif; height: 100vh; justify-content: center; margin: 0; padding: 0; width: 100vw; })CSS"; constexpr char kLensOverlayJs[] = R"JS(document.body.addEventListener('click', () => { if (window.lensOverlay) { window.lensOverlay.close(); } });)JS"; constexpr char kLensOverlayHtml[] = R"HTML(

Lens Overlay Placeholder: Click to dismiss.

)HTML"; } // namespace /******** LensOverlayUntrustedUIAndroidConfig ********/ LensOverlayUntrustedUIAndroidConfig::LensOverlayUntrustedUIAndroidConfig() : content::WebUIConfig(content::kChromeUIUntrustedScheme, chrome::kChromeUILensOverlayHost) {} std::unique_ptr LensOverlayUntrustedUIAndroidConfig::CreateWebUIController( content::WebUI* web_ui, const GURL& url) { return std::make_unique(web_ui); } /******** LensOverlayUntrustedUIAndroid ********/ LensOverlayUntrustedUIAndroid::LensOverlayUntrustedUIAndroid( content::WebUI* web_ui) : content::WebUIController(web_ui) { content::WebUIDataSource* source = content::WebUIDataSource::CreateAndAdd( web_ui->GetWebContents()->GetBrowserContext(), chrome::kChromeUILensOverlayUntrustedURL); source->SetRequestFilter( base::BindRepeating([](const std::string& path) { return path.empty() || path == "lens_overlay.css" || path == "lens_overlay.js"; }), base::BindRepeating( [](const std::string& path, content::WebUIDataSource::GotDataCallback callback) { std::string content; if (path == "lens_overlay.css") { content = kLensOverlayCss; } else if (path == "lens_overlay.js") { content = kLensOverlayJs; } else { content = kLensOverlayHtml; } std::move(callback).Run( base::MakeRefCounted( std::move(content))); })); } } // namespace lens