filecontent.h

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/*
        Author: Marco Costalba (C) 2005-2006

        Copyright: See COPYING file that comes with this distribution

*/
#ifndef FILECONTENT_H
#define FILECONTENT_H

#include <qobject.h>
#include <qguardedptr.h>
#include "common.h"

class QTextEdit;
class QListView;
class FileHighlighter;
class Domain;
class StateInfo;
class Annotate;
class Git;
class MyProcess;
class RangeInfo;
class FileHistory;

class FileContent: public QObject {
Q_OBJECT
public:
        FileContent(Domain* parent, Git* git, QTextEdit* f);
        ~FileContent();
        void update(bool force = false);
        bool annotateAvailable() { return curAnn != NULL; }
        void clear();
        void copySelection();
        void goToAnnotation(int id);
        bool goToRangeStart();
        bool rangeFilter(bool b);
        bool getRange(SCRef sha, RangeInfo* r);
        void startAnnotate(FileHistory* fh);
        void setShowAnnotate(bool b);
        void setHighlightSource(bool b);

signals:
        void annotationAvailable(bool);
        void fileAvailable(bool);
        void revIdSelected(int);

public slots:
        void on_doubleClicked(int, int);
        void on_annotateReady(Annotate*, const QString&, bool, const QString&);
        void on_procDataReady(const QByteArray&);
        void on_eof(bool emitSignal = true);

private:
        friend class FileHighlighter;

        void clearAnnotate();
        void clearText(bool emitSignal = true);
        void findInFile(SCRef str);
        bool lookupAnnotation();
        uint annotateLength(const FileAnnotation* curAnn);
        void saveScreenState();
        void restoreScreenState();
        uint processData(const QByteArray& fileChunk);

        Domain* d;
        Git* git;
        QTextEdit* ft;
        StateInfo* st;
        RangeInfo* rangeInfo;
        FileHighlighter* fileHighlighter;
        QGuardedPtr<Annotate> annotateObj;
        QGuardedPtr<MyProcess> proc;
        const FileAnnotation* curAnn;
        QByteArray fileRowData;
        QString fileProcessedData;
        QString halfLine;
        uint curLine;
        QStringList::const_iterator curAnnIt;
        uint annoLen;
        bool isFileAvailable;
        bool isAnnotationAvailable;
        bool isAnnotationAppended;
        bool isRangeFilterActive;
        bool isShowAnnotate;
        bool isHtmlSource;

        struct ScreenState {
                bool isValid, hasSelectedText, isAnnotationAppended;
                int topPara, paraFrom, indexFrom, paraTo, indexTo, annoLen;
        };
        ScreenState ss;

        static const QString HTML_HEAD;
        static const QString HTML_TAIL;
        static const QString HTML_FILE_START;
        static const QString HTML_FILE_END;
};

#endif

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