web_browser: Make OpenPage const

src/core/frontend/applets/web_browser.cpp

@@ -13,7 +13,7 @@ DefaultWebBrowserApplet::~DefaultWebBrowserApplet() = default;
 
 void DefaultWebBrowserApplet::OpenPage(std::string_view filename,
                                        std::function<void()> unpack_romfs_callback,
-                                       std::function<void()> finished_callback) {
+                                       std::function<void()> finished_callback) const {
     LOG_INFO(Service_AM,
              "(STUBBED) called - No suitable web browser implementation found to open website page "
              "at '{}'!",

src/core/frontend/applets/web_browser.h

@@ -14,7 +14,7 @@ public:
     virtual ~WebBrowserApplet();
 
     virtual void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                          std::function<void()> finished_callback) = 0;
+                          std::function<void()> finished_callback) const = 0;
 };
 
 class DefaultWebBrowserApplet final : public WebBrowserApplet {
@@ -22,7 +22,7 @@ public:
     ~DefaultWebBrowserApplet() override;
 
     void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                  std::function<void()> finished_callback) override;
+                  std::function<void()> finished_callback) const override;
 };
 
 } // namespace Core::Frontend

src/yuzu/applets/web_browser.cpp

@@ -88,7 +88,7 @@ QtWebBrowser::QtWebBrowser(GMainWindow& main_window) {
 QtWebBrowser::~QtWebBrowser() = default;
 
 void QtWebBrowser::OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                            std::function<void()> finished_callback) {
+                            std::function<void()> finished_callback) const {
     this->unpack_romfs_callback = std::move(unpack_romfs_callback);
     this->finished_callback = std::move(finished_callback);
 

src/yuzu/applets/web_browser.h

@@ -38,7 +38,7 @@ public:
     ~QtWebBrowser() override;
 
     void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                  std::function<void()> finished_callback) override;
+                  std::function<void()> finished_callback) const override;
 
 signals:
     void MainWindowOpenPage(std::string_view filename, std::string_view additional_args) const;
@@ -47,6 +47,6 @@ private:
     void MainWindowUnpackRomFS();
     void MainWindowFinishedBrowsing();
 
-    std::function<void()> unpack_romfs_callback;
-    std::function<void()> finished_callback;
+    mutable std::function<void()> unpack_romfs_callback;
+    mutable std::function<void()> finished_callback;
 };