/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Software or, alternatively, in accordance with the terms contained in
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**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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#ifndef DEBUGGERUISWITCHER_H
#define DEBUGGERUISWITCHER_H

#include "debugger_global.h"
#include "debuggerconstants.h"

#include <QtCore/QObject>

QT_BEGIN_NAMESPACE
class QDockWidget;
class QSettings;
QT_END_NAMESPACE

namespace Core {
class Command;
class Context;
class IMode;
class BaseMode;
}

namespace Utils {
class FancyMainWindow;
}

namespace ProjectExplorer {
class Project;
class Target;
class RunConfiguration;
}

namespace Debugger {
struct DebuggerUISwitcherPrivate;

namespace Internal {
class DebuggerMainWindow;
};

class DEBUGGER_EXPORT DebuggerUISwitcher : public QObject
{
    Q_OBJECT

public:
    explicit DebuggerUISwitcher(Core::BaseMode *mode, QObject *parent = 0);
    virtual ~DebuggerUISwitcher();

    // debuggable languages are registered with this function.
    void addLanguage(const DebuggerLanguage &language, const Core::Context &context);

    // debugger toolbars are registered  with this function
    void setToolbar(const DebuggerLanguage &language, QWidget *widget);

    // menu actions are registered with this function
    void addMenuAction(Core::Command *command, const DebuggerLanguage &language,
                       const QString &group = QString());

    // all supported languages
    DebuggerLanguages supportedLanguages() const;

    // active languages to be debugged.
    DebuggerLanguages activeDebugLanguages() const;

    // called when all dependent plugins have loaded
    void initialize(QSettings *settings);

    void onModeChanged(Core::IMode *mode);

    // most common debugger windows
    QDockWidget *breakWindow() const;
    QDockWidget *stackWindow() const;
    QDockWidget *watchWindow() const;
    QDockWidget *snapshotsWindow() const;
    QDockWidget *threadsWindow() const;
    QDockWidget *outputWindow() const;
    QDockWidget *qmlInspectorWindow() const;

    QDockWidget *dockWidget(const QString &objectName) const;

    // dockwidgets are registered to the main window
    QDockWidget *createDockWidget(const DebuggerLanguage &language, QWidget *widget,
                                  Qt::DockWidgetArea area = Qt::TopDockWidgetArea);

    Utils::FancyMainWindow *mainWindow() const;

signals:
    // emit when user changes active languages from the menu.
    // Both UI and debugger startup are affected.
    void activeLanguagesChanged(Debugger::DebuggerLanguages activeLanguages);
    void dockResetRequested(Debugger::DebuggerLanguages activeLanguages);
    void memoryEditorRequested();

private slots:
    void updateUi();
    void resetDebuggerLayout();

    void updateUiForProject(ProjectExplorer::Project *project);
    void updateUiForTarget(ProjectExplorer::Target *target);
    void updateUiForRunConfiguration(ProjectExplorer::RunConfiguration *rc);
    void updateUiForCurrentRunConfiguration();
    void updateUiOnFileListChange();

public slots:
    void updateActiveLanguages();
    void updateDockWidgetSettings();
    void readSettings(QSettings *settings);
    void writeSettings(QSettings *settings) const;

private:
    // Used by MainWindow
    friend class Internal::DebuggerMainWindow;
    QList<QDockWidget *> i_mw_dockWidgets() const;

    void activateQmlCppLayout();
    void activateCppLayout();

    void hideInactiveWidgets();
    void createViewsMenuItems();
    bool isQmlCppActive() const;
    bool isQmlActive() const;

    QWidget *createContents(Core::BaseMode *mode);
    QWidget *createMainWindow(Core::BaseMode *mode);

    DebuggerUISwitcherPrivate *d;
};

} // namespace Debugger

#endif // DEBUGGERUISWITCHER_H