partitionmodel.h 6.68 KB
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/*
 * Copyright (C) 2016 Jolla Ltd. <andrew.den.exter@jolla.com>
 *
 * You may use this file under the terms of the BSD license as follows:
 *
 * "Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Nemo Mobile nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 */

#ifndef PARTITIONMODEL_H
#define PARTITIONMODEL_H

#include <QAbstractListModel>

#include <partitionmanager.h>

class SYSTEMSETTINGS_EXPORT PartitionModel : public QAbstractListModel
{
    Q_OBJECT
    Q_ENUMS(Status)
    Q_ENUMS(StorageType)
    Q_FLAGS(StorageTypes)
    Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
    Q_PROPERTY(StorageTypes storageTypes READ storageTypes WRITE setStorageTypes NOTIFY storageTypesChanged)
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    Q_PROPERTY(QStringList supportedFormatTypes READ supportedFormatTypes CONSTANT)
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    Q_PROPERTY(bool externalStoragesPopulated READ externalStoragesPopulated NOTIFY externalStoragesPopulatedChanged)
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public:
    enum {
        ReadOnlyRole,
        StatusRole,
        CanMountRole,
        MountFailedRole,
        StorageTypeRole,
        FilesystemTypeRole,
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        DeviceLabelRole,
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        DevicePathRole,
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        DeviceNameRole,
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        MountPathRole,
        BytesAvailableRole,
        BytesTotalRole,
        BytesFreeRole,
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        PartitionModelRole,
        IsCryptoDeviceRoles,
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        IsSupportedFileSystemType,
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        IsEncryptedRoles,
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        CryptoBackingDevicePath,
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        DriveRole,
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    };

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    // For Status role
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    enum Status {
        Unmounted       = Partition::Unmounted,
        Mounting        = Partition::Mounting,
        Mounted         = Partition::Mounted,
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        Unmounting      = Partition::Unmounting,
        Formatting      = Partition::Formatting,
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        Formatted       = Partition::Formatted,
        Unlocking       = Partition::Unlocking,
        Unlocked        = Partition::Unlocked,
        Locking         = Partition::Locking,
        Locked          = Partition::Locked,
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    };

    enum StorageType {
        Invalid         = Partition::Invalid,
        System          = Partition::System,
        User            = Partition::User,
        Mass            = Partition::Mass,
        External        = Partition::External,

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        ExcludeParents  = Partition::ExcludeParents,
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        Internal        = Partition::Internal,
        Any             = Partition::Any
    };

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    enum ConnectionBus {
        SDIO = Partition::SDIO,
        USB = Partition::USB,
        IEEE1394 = Partition::IEEE1394,
        UnknownBus = Partition::UnknownBus
    };
    Q_ENUM(ConnectionBus)

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    enum Error {
        ErrorFailed                  = Partition::ErrorFailed,
        ErrorCancelled               = Partition::ErrorCancelled,
        ErrorAlreadyCancelled        = Partition::ErrorAlreadyCancelled,
        ErrorNotAuthorized           = Partition::ErrorNotAuthorized,
        ErrorNotAuthorizedCanObtain  = Partition::ErrorNotAuthorizedCanObtain,
        ErrorNotAuthorizedDismissed  = Partition::ErrorNotAuthorizedDismissed,
        ErrorAlreadyMounted          = Partition::ErrorAlreadyMounted,
        ErrorNotMounted              = Partition::ErrorNotMounted,
        ErrorOptionNotPermitted      = Partition::ErrorOptionNotPermitted,
        ErrorMountedByOtherUser      = Partition::ErrorMountedByOtherUser,
        ErrorAlreadyUnmounting       = Partition::ErrorAlreadyUnmounting,
        ErrorNotSupported            = Partition::ErrorNotSupported,
        ErrorTimedout                = Partition::ErrorTimedout,
        ErrorWouldWakeup             = Partition::ErrorWouldWakeup,
        ErrorDeviceBusy              = Partition::ErrorDeviceBusy
    };
    Q_ENUM(Error)

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    Q_DECLARE_FLAGS(StorageTypes, StorageType)

    explicit PartitionModel(QObject *parent = 0);
    ~PartitionModel();

    StorageTypes storageTypes() const;
    void setStorageTypes(StorageTypes storageTypes);

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    QStringList supportedFormatTypes() const;
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    bool externalStoragesPopulated() const;
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    Q_INVOKABLE void refresh();
    Q_INVOKABLE void refresh(int index);

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    Q_INVOKABLE void lock(const QString &devicePath);
    Q_INVOKABLE void unlock(const QString &devicePath, const QString &passphrase);
    Q_INVOKABLE void mount(const QString &devicePath);
    Q_INVOKABLE void unmount(const QString &devicePath);
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    Q_INVOKABLE void format(const QString &devicePath, const QVariantMap &arguments);
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    Q_INVOKABLE QString objectPath(const QString &devicePath) const;
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    QHash<int, QByteArray> roleNames() const;

    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role) const;

signals:
    void countChanged();
    void storageTypesChanged();
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    void externalStoragesPopulatedChanged();
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    void errorMessage(const QString &objectPath, const QString &errorName);
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    void lockError(Error error);
    void unlockError(Error error);
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    void mountError(Error error);
    void unmountError(Error error);
    void formatError(Error error);

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private:
    void update();

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    const Partition *getPartition(const QString &devicePath) const;
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    void partitionChanged(const Partition &partition);
    void partitionAdded(const Partition &partition);
    void partitionRemoved(const Partition &partition);

    QExplicitlySharedDataPointer<PartitionManagerPrivate> m_manager;
    QVector<Partition> m_partitions;
    StorageTypes m_storageTypes;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(PartitionModel::StorageTypes)

#endif