Citra-qt: Add multiplayer ui

src/citra_qt/multiplayer/lobby.h

@@ -0,0 +1,125 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <future>
+#include <memory>
+#include <QDialog>
+#include <QFutureWatcher>
+#include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+#include "common/announce_multiplayer_room.h"
+#include "core/announce_multiplayer_session.h"
+#include "network/network.h"
+
+namespace Ui {
+class Lobby;
+}
+
+class LobbyModel;
+class LobbyFilterProxyModel;
+
+/**
+ * Listing of all public games pulled from services. The lobby should be simple enough for users to
+ * find the game they want to play, and join it.
+ */
+class Lobby : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit Lobby(QWidget* parent, QStandardItemModel* list,
+                   std::shared_ptr<Core::AnnounceMultiplayerSession> session);
+    ~Lobby();
+
+public slots:
+    /**
+     * Begin the process to pull the latest room list from web services. After the listing is
+     * returned from web services, `LobbyRefreshed` will be signalled
+     */
+    void RefreshLobby();
+
+private slots:
+    /**
+     * Pulls the list of rooms from network and fills out the lobby model with the results
+     */
+    void OnRefreshLobby();
+
+    /**
+     * Handler for double clicking on a room in the list. Gathers the host ip and port and attempts
+     * to connect. Will also prompt for a password in case one is required.
+     *
+     * index - The row of the proxy model that the user wants to join.
+     */
+    void OnJoinRoom(const QModelIndex&);
+
+    /**
+     * Handler for connection status changes. Launches the client room window if successful or
+     * displays an error
+     */
+    void OnConnection();
+
+    void OnStateChanged(const Network::RoomMember::State&);
+
+signals:
+    /**
+     * Signalled when the latest lobby data is retrieved.
+     */
+    void LobbyRefreshed();
+
+    /**
+     * Signalled when the status for room connection changes.
+     */
+    void Connected();
+
+    /**
+     * Signalled by this widget when it is closing itself and destroying any state such as
+     * connections that it might have.
+     */
+    void Closed();
+
+    void StateChanged(const Network::RoomMember::State&);
+
+private:
+    /**
+     * Removes all entries in the Lobby before refreshing.
+     */
+    void ResetModel();
+
+    /**
+     * Prompts for a password. Returns an empty QString if the user either did not provide a
+     * password or if the user closed the window.
+     */
+    const QString PasswordPrompt();
+
+    QStandardItemModel* model;
+    QStandardItemModel* game_list;
+    LobbyFilterProxyModel* proxy;
+
+    std::future<AnnounceMultiplayerRoom::RoomList> room_list_future;
+    std::weak_ptr<Core::AnnounceMultiplayerSession> announce_multiplayer_session;
+    std::unique_ptr<Ui::Lobby> ui;
+    QFutureWatcher<void>* watcher;
+};
+
+/**
+ * Proxy Model for filtering the lobby
+ */
+class LobbyFilterProxyModel : public QSortFilterProxyModel {
+    Q_OBJECT;
+
+public:
+    explicit LobbyFilterProxyModel(QWidget* parent, QStandardItemModel* list);
+    bool filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const override;
+    void sort(int column, Qt::SortOrder order) override;
+
+public slots:
+    void SetFilterOwned(bool);
+    void SetFilterFull(bool);
+
+private:
+    QStandardItemModel* game_list;
+    bool filter_owned = false;
+    bool filter_full = false;
+};