1 files changed, 218 insertions, 0 deletions
diff --git a/src/yuzu/applets/qt_web_browser.h b/src/yuzu/applets/qt_web_browser.h
new file mode 100644
index 0000000000..7ad07409f4
--- /dev/null
+++ b/src/yuzu/applets/qt_web_browser.h
@@ -0,0 +1,218 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <memory>
+#include <thread>
+
+#include <QObject>
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
+#include <QWebEngineView>
+#endif
+
+#include "core/frontend/applets/web_browser.h"
+
+enum class HIDButton : u8;
+
+class GMainWindow;
+class InputInterpreter;
+class UrlRequestInterceptor;
+
+namespace Core {
+class System;
+}
+
+namespace InputCommon {
+class InputSubsystem;
+}
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
+
+enum class UserAgent {
+    WebApplet,
+    ShopN,
+    LoginApplet,
+    ShareApplet,
+    LobbyApplet,
+    WifiWebAuthApplet,
+};
+
+class QWebEngineProfile;
+class QWebEngineSettings;
+
+class QtNXWebEngineView : public QWebEngineView {
+    Q_OBJECT
+
+public:
+    explicit QtNXWebEngineView(QWidget* parent, Core::System& system,
+                               InputCommon::InputSubsystem* input_subsystem_);
+    ~QtNXWebEngineView() override;
+
+    /**
+     * Loads a HTML document that exists locally. Cannot be used to load external websites.
+     *
+     * @param main_url The url to the file.
+     * @param additional_args Additional arguments appended to the main url.
+     */
+    void LoadLocalWebPage(const std::string& main_url, const std::string& additional_args);
+
+    /**
+     * Loads an external website. Cannot be used to load local urls.
+     *
+     * @param main_url The url to the website.
+     * @param additional_args Additional arguments appended to the main url.
+     */
+    void LoadExternalWebPage(const std::string& main_url, const std::string& additional_args);
+
+    /**
+     * Sets the background color of the web page.
+     *
+     * @param color The color to set.
+     */
+    void SetBackgroundColor(QColor color);
+
+    /**
+     * Sets the user agent of the web browser.
+     *
+     * @param user_agent The user agent enum.
+     */
+    void SetUserAgent(UserAgent user_agent);
+
+    [[nodiscard]] bool IsFinished() const;
+    void SetFinished(bool finished_);
+
+    [[nodiscard]] Service::AM::Applets::WebExitReason GetExitReason() const;
+    void SetExitReason(Service::AM::Applets::WebExitReason exit_reason_);
+
+    [[nodiscard]] const std::string& GetLastURL() const;
+    void SetLastURL(std::string last_url_);
+
+    /**
+     * This gets the current URL that has been requested by the webpage.
+     * This only applies to the main frame. Sub frames and other resources are ignored.
+     *
+     * @return Currently requested URL
+     */
+    [[nodiscard]] QString GetCurrentURL() const;
+
+public slots:
+    void hide();
+
+protected:
+    void keyPressEvent(QKeyEvent* event) override;
+    void keyReleaseEvent(QKeyEvent* event) override;
+
+private:
+    /**
+     * Handles button presses to execute functions assigned in yuzu_key_callbacks.
+     * yuzu_key_callbacks contains specialized functions for the buttons in the window footer
+     * that can be overriden by games to achieve desired functionality.
+     *
+     * @tparam HIDButton The list of buttons contained in yuzu_key_callbacks
+     */
+    template <HIDButton... T>
+    void HandleWindowFooterButtonPressedOnce();
+
+    /**
+     * Handles button presses and converts them into keyboard input.
+     * This should only be used to convert D-Pad or Analog Stick input into arrow keys.
+     *
+     * @tparam HIDButton The list of buttons that can be converted into keyboard input.
+     */
+    template <HIDButton... T>
+    void HandleWindowKeyButtonPressedOnce();
+
+    /**
+     * Handles button holds and converts them into keyboard input.
+     * This should only be used to convert D-Pad or Analog Stick input into arrow keys.
+     *
+     * @tparam HIDButton The list of buttons that can be converted into keyboard input.
+     */
+    template <HIDButton... T>
+    void HandleWindowKeyButtonHold();
+
+    /**
+     * Sends a key press event to QWebEngineView.
+     *
+     * @param key Qt key code.
+     */
+    void SendKeyPressEvent(int key);
+
+    /**
+     * Sends multiple key press events to QWebEngineView.
+     *
+     * @tparam int Qt key code.
+     */
+    template <int... T>
+    void SendMultipleKeyPressEvents() {
+        (SendKeyPressEvent(T), ...);
+    }
+
+    void StartInputThread();
+    void StopInputThread();
+
+    /// The thread where input is being polled and processed.
+    void InputThread();
+
+    /// Loads the extracted fonts using JavaScript.
+    void LoadExtractedFonts();
+
+    InputCommon::InputSubsystem* input_subsystem;
+
+    std::unique_ptr<UrlRequestInterceptor> url_interceptor;
+
+    std::unique_ptr<InputInterpreter> input_interpreter;
+
+    std::thread input_thread;
+
+    std::atomic<bool> input_thread_running{};
+
+    std::atomic<bool> finished{};
+
+    Service::AM::Applets::WebExitReason exit_reason{
+        Service::AM::Applets::WebExitReason::EndButtonPressed};
+
+    std::string last_url{"http://localhost/"};
+
+    bool is_local{};
+
+    QWebEngineProfile* default_profile;
+    QWebEngineSettings* global_settings;
+};
+
+#endif
+
+class QtWebBrowser final : public QObject, public Core::Frontend::WebBrowserApplet {
+    Q_OBJECT
+
+public:
+    explicit QtWebBrowser(GMainWindow& parent);
+    ~QtWebBrowser() override;
+
+    void OpenLocalWebPage(const std::string& local_url,
+                          std::function<void()> extract_romfs_callback_,
+                          std::function<void(Service::AM::Applets::WebExitReason, std::string)>
+                              callback_) const override;
+
+    void OpenExternalWebPage(const std::string& external_url,
+                             std::function<void(Service::AM::Applets::WebExitReason, std::string)>
+                                 callback_) const override;
+
+signals:
+    void MainWindowOpenWebPage(const std::string& main_url, const std::string& additional_args,
+                               bool is_local) const;
+
+private:
+    void MainWindowExtractOfflineRomFS();
+
+    void MainWindowWebBrowserClosed(Service::AM::Applets::WebExitReason exit_reason,
+                                    std::string last_url);
+
+    mutable std::function<void()> extract_romfs_callback;
+
+    mutable std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback;
+};