enabled command line plugins support

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@401 90c681e8-e032-0410-971d-27865f9a5e38

7 files changed, 315 insertions, 3 deletions

diff --git a/src/qmmpui/CMakeLists.txt b/src/qmmpui/CMakeLists.txt
index b9cc441a6..6d98e5e56 100644
--- a/src/qmmpui/CMakeLists.txt
+++ b/src/qmmpui/CMakeLists.txt
@@ -28,6 +28,7 @@ SET(libqmmpui_SRCS
     songinfo.cpp
     control.cpp
     playlistparser.cpp
+    commandlinemanager.cpp
 )
 
 SET(libqmmpui_MOC_HDRS
@@ -38,6 +39,8 @@ SET(libqmmpui_MOC_HDRS
     control.h
     playlistparser.h
     playlistformat.h
+    commandlinemanager.h
+    commandlineoption.h
 )
 
 QT4_WRAP_CPP(libqmmpui_MOC_SRCS ${libqmmpui_MOC_HDRS})
diff --git a/src/qmmpui/commandlinemanager.cpp b/src/qmmpui/commandlinemanager.cpp
new file mode 100644
index 000000000..5bc7b6d90
--- /dev/null
+++ b/src/qmmpui/commandlinemanager.cpp
@@ -0,0 +1,162 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QtGui>
+#include <QObject>
+#include <QList>
+#include <QApplication>
+
+#include <cstdlib>
+#include <iostream>
+
+#include "control.h"
+
+#include "commandlinemanager.h"
+
+using namespace std;
+
+static QList<CommandLineOption *> *options = 0;
+static QStringList files;
+
+static void checkOptions()
+{
+    if (! options)
+    {
+        files.clear();
+        options = new QList<CommandLineOption *>;
+
+        QDir pluginsDir (qApp->applicationDirPath());
+        pluginsDir.cdUp();
+        pluginsDir.cd("./"LIB_DIR"/qmmp/CommandLineOptions");
+        foreach (QString fileName, pluginsDir.entryList(QDir::Files))
+        {
+            QPluginLoader loader(pluginsDir.absoluteFilePath(fileName));
+            QObject *plugin = loader.instance();
+            if (loader.isLoaded())
+                ;//qDebug("CommandLineManager: plugin loaded - %s", qPrintable(fileName));
+            else
+                qWarning("CommandLineManager: %s", qPrintable(loader.errorString ()));
+
+            CommandLineOption *option = 0;
+            if (plugin)
+                option = qobject_cast<CommandLineOption *>(plugin);
+
+            if (option)
+            {
+                options->append(option);
+                files << pluginsDir.absoluteFilePath(fileName);
+                qApp->installTranslator(option->createTranslator(qApp));
+            }
+        }
+    }
+}
+
+CommandLineManager::CommandLineManager(QObject *parent)
+        : General(parent)
+{
+    m_state = General::Stopped;
+    m_left = 0;
+    m_right = 0;
+    m_time = 0;
+}
+
+
+CommandLineManager::~CommandLineManager()
+{
+}
+
+void CommandLineManager::setState(const uint& state)
+{
+    if (state == General::Stopped)
+        m_time = 0;
+    m_state = state;
+}
+
+void CommandLineManager::setSongInfo(const SongInfo &song)
+{
+    m_song = song;
+}
+
+void CommandLineManager::setTime(int time)
+{
+    m_time = time;
+}
+
+void CommandLineManager::setVolume(int left, int right)
+{
+    m_left = left;
+    m_right = right;
+}
+
+uint CommandLineManager::state()
+{
+    return m_state;
+}
+
+SongInfo *CommandLineManager::info()
+{
+    return &m_song;
+}
+
+int CommandLineManager::elapsed()
+{
+    return m_time;
+}
+
+int CommandLineManager::leftVolume()
+{
+    return m_left;
+}
+
+int CommandLineManager::rightVolume()
+{
+    return m_right;
+}
+
+void CommandLineManager::executeCommand(const QString& opt_str, Control* ctrl)
+{
+    checkOptions();
+    foreach(CommandLineOption *opt, *options)
+    {
+        if (opt->identify(opt_str))
+        {
+            opt->executeCommand(opt_str, this, ctrl);
+            return;
+        }
+    }
+}
+
+bool CommandLineManager::hasOption(const QString &opt_str)
+{
+    checkOptions();
+    foreach(CommandLineOption *opt, *options)
+    {
+        if (opt->identify(opt_str))
+            return TRUE;
+    }
+    return FALSE;
+}
+
+void CommandLineManager::printUsage()
+{
+    checkOptions();
+    foreach(CommandLineOption *opt, *options)
+    cout << qPrintable(opt->helpString());
+}
diff --git a/src/qmmpui/commandlinemanager.h b/src/qmmpui/commandlinemanager.h
new file mode 100644
index 000000000..4e99ba35d
--- /dev/null
+++ b/src/qmmpui/commandlinemanager.h
@@ -0,0 +1,65 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef COMMANDLINEMANAGER_H
+#define COMMANDLINEMANAGER_H
+
+#include "general.h"
+#include "commandlineoption.h"
+
+
+/**
+	@author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+class CommandLineManager : public General
+{
+Q_OBJECT
+public:
+    CommandLineManager(QObject *parent = 0);
+
+    ~CommandLineManager();
+
+    //general
+    void setState(const uint &state);
+    void setSongInfo(const SongInfo &song);
+    void setVolume(int left, int right);
+    void setTime(int time);
+
+    //properties
+    uint state();
+    SongInfo *info();
+    int elapsed();
+    int leftVolume();
+    int rightVolume();
+
+    //command line
+    void executeCommand(const QString& opt_str, Control* ctrl);
+
+    //static methods
+    static bool hasOption(const QString &opt_str);
+    static void printUsage();
+
+private:
+    uint m_state;
+    SongInfo m_song;
+    int m_left, m_right;
+    int m_time;
+};
+
+#endif
diff --git a/src/qmmpui/commandlineoption.h b/src/qmmpui/commandlineoption.h
new file mode 100644
index 000000000..bea806bb6
--- /dev/null
+++ b/src/qmmpui/commandlineoption.h
@@ -0,0 +1,66 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef COMMANDLINEOPTION_H
+#define COMMANDLINEOPTION_H
+
+
+class CommandLineManager;
+class Control;
+class QTranslator;
+class QString;
+class QObject;
+
+/**
+    @author Vladimir Kuznetsov <vovanec@gmail.ru>
+ */
+class CommandLineOption
+{
+public:
+    /*!
+     * Returns \b true if \b opt_str string can be processed,
+     * otherise \b false
+     */
+    virtual bool identify(const QString& opt_str)const = 0;
+
+    /*!
+     * Command line option name
+     */
+    virtual const QString name()const = 0;
+
+    /*!
+     * Help string.
+     */
+    virtual const QString helpString()const = 0;
+
+    /*!
+     * Parses \b opt_str args(if needed), executes command.
+     */
+    virtual void executeCommand(const QString& opt_str, CommandLineManager* clm, Control* ctrl) = 0;
+    /*!
+     * Creates translator with parent object \b parent
+     */
+    virtual QTranslator *createTranslator(QObject *parent) = 0;
+
+    virtual ~CommandLineOption() {}
+};
+
+Q_DECLARE_INTERFACE(CommandLineOption,"CommandLineOptionInterface/1.0");
+
+#endif
diff --git a/src/qmmpui/generalhandler.cpp b/src/qmmpui/generalhandler.cpp
index 54e5a8652..02ca51e15 100644
--- a/src/qmmpui/generalhandler.cpp
+++ b/src/qmmpui/generalhandler.cpp
@@ -22,6 +22,7 @@
 #include "general.h"
 #include "generalfactory.h"
 #include "control.h"
+#include "commandlinemanager.h"
 
 #include "generalhandler.h"
 
@@ -48,6 +49,8 @@ GeneralHandler::GeneralHandler(QObject *parent)
             m_generals.insert(factory, general);
         }
     }
+    m_commandLineManager = new CommandLineManager(this);
+    m_generals.insert(0, m_commandLineManager);
 }
 
 GeneralHandler::~GeneralHandler()
@@ -165,6 +168,12 @@ bool GeneralHandler::visibilityControl()
     return FALSE;
 }
 
+void GeneralHandler::executeCommand(const QString &opt_str)
+{
+    if(CommandLineManager::hasOption(opt_str))
+        m_commandLineManager->executeCommand(opt_str, m_control);
+}
+
 GeneralHandler* GeneralHandler::instance()
 {
     return m_instance;
diff --git a/src/qmmpui/generalhandler.h b/src/qmmpui/generalhandler.h
index 0fb57c0de..a238e639c 100644
--- a/src/qmmpui/generalhandler.h
+++ b/src/qmmpui/generalhandler.h
@@ -27,6 +27,7 @@
 class General;
 class Control;
 class GeneralFactory;
+class CommandLineManager;
 
 /**
     @author Ilya Kotov <forkotov02@hotmail.ru>
@@ -46,6 +47,7 @@ public:
     void setEnabled(GeneralFactory* factory, bool enable);
     void showSettings(GeneralFactory* factory, QWidget* parentWidget);
     bool visibilityControl();
+    void executeCommand(const QString &opt_str);
     static GeneralHandler* instance();
 
 signals:
@@ -73,8 +75,8 @@ private:
     int m_time;
     uint m_state;
     int m_left, m_right;
+    CommandLineManager *m_commandLineManager;
     static GeneralHandler* m_instance;
-
 };
 
 #endif
diff --git a/src/qmmpui/qmmpui.pro b/src/qmmpui/qmmpui.pro
index 2d09e43ae..5e6bbde87 100644
--- a/src/qmmpui/qmmpui.pro
+++ b/src/qmmpui/qmmpui.pro
@@ -21,6 +21,8 @@ contains(CONFIG, SVN_VERSION){
     DEFINES += QMMP_STR_VERSION=\\\"$$QMMP_VERSION\\\"
 }
 
+VERSION = $$QMMP_VERSION
+
 target.path = $$LIB_DIR
 INSTALLS += target
 HEADERS += general.h \
@@ -29,12 +31,15 @@ HEADERS += general.h \
            songinfo.h \
            control.h \
            playlistformat.h \
- playlistparser.h
+           playlistparser.h \
+           commandlinemanager.h \
+           commandlineoption.h
 SOURCES += general.cpp \
            generalhandler.cpp \
            songinfo.cpp \
            control.cpp \
- playlistparser.cpp
+           playlistparser.cpp \
+           commandlinemanager.cpp
 
 DESTDIR = .