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**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
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** use the contact form at http://qt.digia.com/contact-us.
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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
** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef QMAKEPROJECT_H
#define QMAKEPROJECT_H

#include "qmakeprojectmanager_global.h"
#include "qmakenodes.h"

#include <projectexplorer/project.h>
#include <projectexplorer/projectnodes.h>

#include <QStringList>
#include <QFutureInterface>
#include <QTimer>
#include <QFuture>

QT_BEGIN_NAMESPACE
class ProFileGlobals;
class QMakeVfs;
QT_END_NAMESPACE

namespace ProjectExplorer { class DeploymentData; }
namespace QtSupport { class ProFileReader; }

namespace QmakeProjectManager {
class QmakeBuildConfiguration;
class QmakeManager;
class QmakePriFileNode;
class QmakeProFileNode;

namespace Internal {
class CentralizedFolderWatcher;
class QmakeProjectFiles;
class QmakeProjectConfigWidget;
class QmakeProjectFile;
class QmakeNodesWatcher;
}

class  QMAKEPROJECTMANAGER_EXPORT QmakeProject : public ProjectExplorer::Project
{
    Q_OBJECT

public:
    QmakeProject(QmakeManager *manager, const QString &proFile);
    virtual ~QmakeProject();

    QString displayName() const;
    Core::IDocument *document() const;
    ProjectExplorer::IProjectManager *projectManager() const;
    QmakeManager *qmakeProjectManager() const;

    bool supportsKit(ProjectExplorer::Kit *k, QString *errorMesage) const;

    ProjectExplorer::ProjectNode *rootProjectNode() const;
    QmakeProFileNode *rootQmakeProjectNode() const;
    bool validParse(const QString &proFilePath) const;
    bool parseInProgress(const QString &proFilePath) const;

    virtual QStringList files(FilesMode fileMode) const;
    virtual QString generatedUiHeader(const QString &formFile) const;

    enum Parsing {ExactParse, ExactAndCumulativeParse };
    QList<QmakeProFileNode *> allProFiles(const QList<QmakeProjectType> &projectTypes = QList<QmakeProjectType>(),
                                          Parsing parse = ExactParse) const;
    QList<QmakeProFileNode *> applicationProFiles(Parsing parse = ExactParse) const;
    bool hasApplicationProFile(const QString &path) const;

    static QList<QmakeProFileNode *> nodesWithQtcRunnable(QList<QmakeProFileNode *> nodes);
    static QList<Core::Id> idsForNodes(Core::Id base, const QList<QmakeProFileNode *> &nodes);

    void notifyChanged(const QString &name);

    /// \internal
    QtSupport::ProFileReader *createProFileReader(const QmakeProFileNode *qmakeProFileNode, QmakeBuildConfiguration *bc = 0);
    /// \internal
    ProFileGlobals *qmakeGlobals();
    /// \internal
    void destroyProFileReader(QtSupport::ProFileReader *reader);

    /// \internal
    void scheduleAsyncUpdate(QmakeProjectManager::QmakeProFileNode *node);
    /// \internal
    void incrementPendingEvaluateFutures();
    /// \internal
    void decrementPendingEvaluateFutures();
    /// \internal
    bool wasEvaluateCanceled();

    // For QmakeProFileNode after a on disk change
    void updateFileList();
    void updateCodeModels();

    void watchFolders(const QStringList &l, QmakePriFileNode *node);
    void unwatchFolders(const QStringList &l, QmakePriFileNode *node);

    bool needsConfiguration() const;

    void configureAsExampleProject(const QStringList &platforms);

    bool supportsNoTargetPanel() const;

    /// \internal
    QString disabledReasonForRunConfiguration(const QString &proFilePath);

    /// suffix should be unique
    static QString shadowBuildDirectory(const QString &profilePath, const ProjectExplorer::Kit *k,
                                 const QString &suffix);
    /// used by the default implementation of shadowBuildDirectory
    static QString buildNameFor(const ProjectExplorer::Kit *k);

    void emitBuildDirectoryInitialized();
    static void proFileParseError(const QString &errorMessage);

    ProjectExplorer::ProjectImporter *createProjectImporter() const;

    ProjectExplorer::KitMatcher *createRequiredKitMatcher() const;
signals:
    void proFileUpdated(QmakeProjectManager::QmakeProFileNode *node, bool, bool);
    void buildDirectoryInitialized();
    void proFilesEvaluated();

public slots:
    void scheduleAsyncUpdate();
    void update();

protected:
    bool fromMap(const QVariantMap &map);

private slots:
    void asyncUpdate();
    void buildFinished(bool success);

    void activeTargetWasChanged();

private:
    QString executableFor(const QmakeProFileNode *node);
    void updateRunConfigurations();

    void updateCppCodeModel();
    void updateQmlJSCodeModel();

    static void collectAllProFiles(QList<QmakeProFileNode *> &list, QmakeProFileNode *node, Parsing parse,
                                   const QList<QmakeProjectManager::QmakeProjectType> &projectTypes);
    static void findProFile(const QString& fileName, QmakeProFileNode *root, QList<QmakeProFileNode *> &list);
    static bool hasSubNode(QmakePriFileNode *root, const QString &path);

    static bool equalFileList(const QStringList &a, const QStringList &b);

    void updateBuildSystemData();
    void collectData(const QmakeProFileNode *node, ProjectExplorer::DeploymentData &deploymentData);
    void collectApplicationData(const QmakeProFileNode *node,
                                ProjectExplorer::DeploymentData &deploymentData);
    void collectLibraryData(const QmakeProFileNode *node,
            ProjectExplorer::DeploymentData &deploymentData);

    QmakeManager *m_manager;
    QmakeProFileNode *m_rootProjectNode;
    Internal::QmakeNodesWatcher *m_nodesWatcher;

    Internal::QmakeProjectFile *m_fileInfo;

    // Current configuration
    QString m_oldQtIncludePath;
    QString m_oldQtLibsPath;

    // cached lists of all of files
    Internal::QmakeProjectFiles *m_projectFiles;

    QMakeVfs *m_qmakeVfs;

    // cached data during project rescan
    ProFileGlobals *m_qmakeGlobals;
    int m_qmakeGlobalsRefCnt;

    QTimer m_asyncUpdateTimer;
    QFutureInterface<void> *m_asyncUpdateFutureInterface;
    int m_pendingEvaluateFuturesCount;
    enum AsyncUpdateState { NoState, Base, AsyncFullUpdatePending, AsyncPartialUpdatePending, AsyncUpdateInProgress, ShuttingDown };
    AsyncUpdateState m_asyncUpdateState;
    bool m_cancelEvaluate;
    QList<QmakeProFileNode *> m_partialEvaluate;

    QFuture<void> m_codeModelFuture;

    Internal::CentralizedFolderWatcher *m_centralizedFolderWatcher;

    ProjectExplorer::Target *m_activeTarget;

    friend class Internal::QmakeProjectFile;
    friend class Internal::QmakeProjectConfigWidget;
    friend class QmakeManager; // to schedule a async update if the unconfigured settings change
};

} // namespace QmakeProjectManager


#endif // QMAKEPROJECT_H