Extensions/Qt: dialogs

These are the main UI files for extensions' dialogs.

modules/gui/qt4/dialogs/extensions.hpp

+/*****************************************************************************
+ * extensions.hpp: Extensions manager for Qt: dialogs manager
+ ****************************************************************************
+ * Copyright (C) 2009-2010 VideoLAN and authors
+ * $Id$
+ *
+ * Authors: Jean-Philippe André < jpeg # videolan.org >
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef EXTENSIONS_HPP
+#define EXTENSIONS_HPP
+
+#include "qt4.hpp"
+#include <vlc_extensions.h>
+
+#include "assert.h"
+
+#include <QDialog>
+class QObject;
+class QGridLayout;
+class QSignalMapper;
+class QCloseEvent;
+
+class ExtensionsDialogProvider;
+class ExtensionDialog;
+class WidgetMapper;
+
+class ExtensionsDialogProvider : public QObject
+{
+    /** This is the dialog provider for Extensions dialogs
+     * @todo Make this class be a public Singleton<EDP>
+     * @todo Add a setExtManager() function (with vlc_object_hold)
+     **/
+
+    Q_OBJECT
+
+private:
+    static ExtensionsDialogProvider *instance;
+    intf_thread_t *p_intf;
+    extensions_manager_t *p_extensions_manager;
+
+private slots:
+    ExtensionDialog* CreateDialog( extension_dialog_t *p_dialog );
+    int DestroyDialog( extension_dialog_t *p_dialog );
+    ExtensionDialog* UpdateDialog( extension_dialog_t *p_dialog );
+
+public:
+    ExtensionsDialogProvider( intf_thread_t *p_intf,
+                              extensions_manager_t *p_mgr );
+    virtual ~ExtensionsDialogProvider();
+
+    static ExtensionsDialogProvider* getInstance( intf_thread_t *p_intf = NULL,
+                                                  extensions_manager_t *p_mgr = NULL )
+    {
+        if( !instance )
+        {
+            assert( p_intf != NULL && p_mgr != NULL );
+            instance = new ExtensionsDialogProvider( p_intf, p_mgr );
+        }
+        return instance;
+    }
+    static void killInstance()
+    {
+        assert( instance != NULL );
+        delete instance;
+        instance = NULL;
+    }
+
+    void ManageDialog( extension_dialog_t *p_dialog );
+
+signals:
+    void SignalDialog( extension_dialog_t *p_dialog );
+};
+
+
+class ExtensionDialog : public QDialog
+{
+    Q_OBJECT
+private:
+    intf_thread_t *p_intf;
+    extensions_manager_t *p_extensions_manager;
+    extension_t *p_extension;
+    extension_dialog_t *p_dialog;
+    bool has_lock; ///< Indicates whether Qt thread owns the lock
+    QGridLayout *layout;
+    QSignalMapper *clickMapper;
+    QSignalMapper *inputMapper;
+    QSignalMapper *selectMapper;
+
+    QWidget *CreateWidget( extension_widget_t *p_widget );
+    QWidget *UpdateWidget( extension_widget_t *p_widget );
+    void DestroyWidget( extension_widget_t *p_widget );
+
+protected:
+    virtual void closeEvent( QCloseEvent* );
+
+private slots:
+    int TriggerClick( QObject *object );
+    void SyncInput( QObject *object );
+    void SyncSelection( QObject *object );
+
+signals:
+    void destroyDialog( extension_dialog_t *p_dialog );
+
+public:
+    ExtensionDialog( intf_thread_t *p_intf,
+                     extensions_manager_t *p_mgr,
+                     extension_dialog_t *p_dialog );
+    virtual ~ExtensionDialog();
+
+    void UpdateWidgets();
+
+    // FIXME: This totally sucks (access to has_lock)
+    friend class ExtensionsDialogProvider;
+};
+
+class WidgetMapper : public QObject
+{
+    Q_OBJECT
+private:
+    extension_widget_t *p_widget;
+public:
+    WidgetMapper( extension_widget_t *_p_widget ) :
+            QObject(NULL), p_widget(_p_widget) {}
+    ~WidgetMapper() {}
+    extension_widget_t* getWidget() { return p_widget; }
+};
+
+#endif // EXTENSIONS_HPP