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#ifndef FB2TEMP_H
#define FB2TEMP_H
#include <QByteArray>
#include <QLabel>
#include <QList>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QString>
#include <QTemporaryFile>
#include <QTreeView>
#include <QWebView>
class FbTextEdit;
class FbNetworkAccessManager;
class FbBinary : public QTemporaryFile
{
Q_OBJECT
public:
static QString md5(const QByteArray &data);
public:
explicit FbBinary(const QString &name);
inline qint64 write(QByteArray &data);
void setHash(const QString &hash) { m_hash = hash; }
const QString & hash() const { return m_hash; }
const QString & name() const { return m_name; }
const QString & type() const { return m_type; }
qint64 size() const { return m_size; }
QByteArray data();
private:
const QString m_name;
QString m_hash;
QString m_type;
qint64 m_size;
};
typedef QList<FbBinary*> FbBinatyList;
class FbStore : public QObject, private FbBinatyList
{
Q_OBJECT
public:
explicit FbStore(QObject *parent);
virtual ~FbStore();
QString add(const QString &path, QByteArray &data);
bool exists(const QString &name) const;
FbBinary * get(const QString &name) const;
const QString & set(const QString &name, QByteArray data, const QString &hash = QString());
QString name(const QString &hash) const;
QByteArray data(const QString &name) const;
public slots:
void binary(const QString &name, const QByteArray &data);
public:
inline FbBinary * at(int i) const { return FbBinatyList::at(i); }
inline int count() const { return FbBinatyList::count(); }
private:
QString newName(const QString &path);
};
typedef QListIterator<FbBinary*> FbTemporaryIterator;
#if 0
class FbNetworkDiskCache : public QNetworkDiskCache
{
public:
explicit FbNetworkDiskCache(QObject *parent = 0) : QNetworkDiskCache(parent) {}
QNetworkCacheMetaData metaData(const QUrl &url);
QIODevice *data(const QUrl &url);
};
#endif
class FbNetworkAccessManager : public QNetworkAccessManager
{
Q_OBJECT
public:
explicit FbNetworkAccessManager(QObject *parent = 0);
void setStore(const QUrl url, FbStore *store);
FbStore *store() const { return m_store; }
public:
QString add(const QString &path, QByteArray &data) { return m_store->add(path, data); }
bool exists(const QString &name) const { return m_store->exists(name); }
FbBinary * get(const QString &name) const { return m_store->get(name); }
int count() const { return m_store->count(); }
QByteArray data(int index) const;
QVariant info(int row, int col) const;
protected:
virtual QNetworkReply *createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData = 0);
private:
FbStore *m_store;
QString m_path;
};
class FbImageReply : public QNetworkReply
{
Q_OBJECT
public:
explicit FbImageReply(QNetworkAccessManager::Operation op, const QNetworkRequest &request, const QByteArray &data);
qint64 bytesAvailable() const { return content.size(); }
bool isSequential() const { return true; }
void abort() { close(); }
protected:
qint64 readData(char *data, qint64 maxSize);
private:
QByteArray content;
qint64 offset;
};
class FbListModel : public QAbstractListModel
{
Q_OBJECT
public:
explicit FbListModel(FbTextEdit *text, QObject *parent = 0);
public:
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
private:
FbNetworkAccessManager *files() const;
private:
FbTextEdit *m_text;
};
class FbListView : public QTreeView
{
Q_OBJECT
public:
explicit FbListView(QWidget *parent = 0);
FbListModel *model() const;
protected:
void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
signals:
void showImage(const QString &name);
};
class FbListWidget : public QWidget
{
Q_OBJECT
public:
explicit FbListWidget(FbTextEdit *text, QWidget* parent = 0);
QSize sizeHint() const { return QSize(200,200); }
public slots:
void showImage(const QString &name);
private slots:
void loadFinished();
private:
FbTextEdit *m_text;
FbListView *m_list;
QWebView *m_view;
};
#endif // FB2TEMP_H
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