[common] Properly skip Custom Web Applet if YUZU_USE_QT_WEB_ENGINE is not defined (#2717)

This restores the Offline Web Applet LLE setting as default and properly skip Custom Web Applet if YUZU_USE_QT_WEB_ENGINE is not defined preventing crashes.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2717
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Co-authored-by: MaranBr <maranbr@outlook.com>
Co-committed-by: MaranBr <maranbr@outlook.com>

src/common/settings.h

@@ -161,7 +161,7 @@ struct Values {
                                          Category::LibraryApplet};
     Setting<AppletMode> photo_viewer_applet_mode{
                                                  linkage, AppletMode::LLE, "photo_viewer_applet_mode", Category::LibraryApplet};
-    Setting<AppletMode> offline_web_applet_mode{linkage, AppletMode::HLE, "offline_web_applet_mode",
+    Setting<AppletMode> offline_web_applet_mode{linkage, AppletMode::LLE, "offline_web_applet_mode",
                                                 Category::LibraryApplet};
     Setting<AppletMode> login_share_applet_mode{linkage, AppletMode::HLE, "login_share_applet_mode",
                                                 Category::LibraryApplet};

src/core/hle/service/am/frontend/applet_web_browser.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -68,42 +71,6 @@ std::string ResolveURL(const std::string& url) {
     return url.substr(0, index) + "lp1" + url.substr(index + 1);
 }
 
-WebArgInputTLVMap ReadWebArgs(const std::vector<u8>& web_arg, WebArgHeader& web_arg_header) {
-    std::memcpy(&web_arg_header, web_arg.data(), sizeof(WebArgHeader));
-
-    if (web_arg.size() == sizeof(WebArgHeader)) {
-        return {};
-    }
-
-    WebArgInputTLVMap input_tlv_map;
-
-    u64 current_offset = sizeof(WebArgHeader);
-
-    for (std::size_t i = 0; i < web_arg_header.total_tlv_entries; ++i) {
-        if (web_arg.size() < current_offset + sizeof(WebArgInputTLV)) {
-            return input_tlv_map;
-        }
-
-        WebArgInputTLV input_tlv;
-        std::memcpy(&input_tlv, web_arg.data() + current_offset, sizeof(WebArgInputTLV));
-
-        current_offset += sizeof(WebArgInputTLV);
-
-        if (web_arg.size() < current_offset + input_tlv.arg_data_size) {
-            return input_tlv_map;
-        }
-
-        std::vector<u8> data(input_tlv.arg_data_size);
-        std::memcpy(data.data(), web_arg.data() + current_offset, input_tlv.arg_data_size);
-
-        current_offset += input_tlv.arg_data_size;
-
-        input_tlv_map.insert_or_assign(input_tlv.input_tlv_type, std::move(data));
-    }
-
-    return input_tlv_map;
-}
-
 FileSys::VirtualFile GetOfflineRomFS(Core::System& system, u64 title_id,
                                      FileSys::ContentRecordType nca_type) {
     if (nca_type == FileSys::ContentRecordType::Data) {
@@ -144,6 +111,43 @@ FileSys::VirtualFile GetOfflineRomFS(Core::System& system, u64 title_id,
     }
 }
 
+#ifdef YUZU_USE_QT_WEB_ENGINE
+WebArgInputTLVMap ReadWebArgs(const std::vector<u8>& web_arg, WebArgHeader& web_arg_header) {
+    std::memcpy(&web_arg_header, web_arg.data(), sizeof(WebArgHeader));
+
+    if (web_arg.size() == sizeof(WebArgHeader)) {
+        return {};
+    }
+
+    WebArgInputTLVMap input_tlv_map;
+
+    u64 current_offset = sizeof(WebArgHeader);
+
+    for (std::size_t i = 0; i < web_arg_header.total_tlv_entries; ++i) {
+        if (web_arg.size() < current_offset + sizeof(WebArgInputTLV)) {
+            return input_tlv_map;
+        }
+
+        WebArgInputTLV input_tlv;
+        std::memcpy(&input_tlv, web_arg.data() + current_offset, sizeof(WebArgInputTLV));
+
+        current_offset += sizeof(WebArgInputTLV);
+
+        if (web_arg.size() < current_offset + input_tlv.arg_data_size) {
+            return input_tlv_map;
+        }
+
+        std::vector<u8> data(input_tlv.arg_data_size);
+        std::memcpy(data.data(), web_arg.data() + current_offset, input_tlv.arg_data_size);
+
+        current_offset += input_tlv.arg_data_size;
+
+        input_tlv_map.insert_or_assign(input_tlv.input_tlv_type, std::move(data));
+    }
+
+    return input_tlv_map;
+}
+
 void ExtractSharedFonts(Core::System& system) {
     static constexpr std::array<const char*, 7> DECRYPTED_SHARED_FONTS{
         "FontStandard.ttf",
@@ -221,6 +225,7 @@ void ExtractSharedFonts(Core::System& system) {
         FileSys::VfsRawCopy(decrypted_font, out_file);
     }
 }
+#endif
 
 } // namespace
 
@@ -232,6 +237,7 @@ WebBrowser::WebBrowser(Core::System& system_, std::shared_ptr<Applet> applet_,
 WebBrowser::~WebBrowser() = default;
 
 void WebBrowser::Initialize() {
+#ifdef YUZU_USE_QT_WEB_ENGINE
     FrontendApplet::Initialize();
 
     LOG_INFO(Service_AM, "Initializing Web Browser Applet.");
@@ -284,6 +290,7 @@ void WebBrowser::Initialize() {
         ASSERT_MSG(false, "Invalid ShimKind={}", web_arg_header.shim_kind);
         break;
     }
+#endif
 }
 
 Result WebBrowser::GetStatus() const {
@@ -295,6 +302,7 @@ void WebBrowser::ExecuteInteractive() {
 }
 
 void WebBrowser::Execute() {
+#ifdef YUZU_USE_QT_WEB_ENGINE
     switch (web_arg_header.shim_kind) {
     case ShimKind::Shop:
         ExecuteShop();
@@ -322,6 +330,10 @@ void WebBrowser::Execute() {
         WebBrowserExit(WebExitReason::EndButtonPressed);
         break;
     }
+#else
+    LOG_INFO(Service_AM, "Web Browser Applet disabled, skipping.");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+#endif
 }
 
 void WebBrowser::ExtractOfflineRomFS() {