Reuse the d-pointer of the base class Device for the child class DiskDevice.

src/core/device.cpp

@@ -48,6 +48,30 @@ Device::Device(const QString& name,
     d->m_Type = type;
 }
 
+/** Constructs a Device with an empty PartitionTable.
+    @param name the Device's name, usually some string defined by the manufacturer
+    @param deviceNode the Device's node, for example "/dev/sda"
+*/
+Device::Device(std::shared_ptr<DevicePrivate> d_ptr,
+               const QString& name,
+               const QString& deviceNode,
+               const qint64 logicalSectorSize,
+               const qint64 totalLogicalSectors,
+               const QString& iconName,
+               Device::Type type)
+    : QObject()
+    , d(d_ptr)
+{
+    d->m_Name = name.length() > 0 ? name : i18n("Unknown Device");
+    d->m_DeviceNode = deviceNode;
+    d->m_LogicalSectorSize = logicalSectorSize;
+    d->m_TotalLogical = totalLogicalSectors;
+    d->m_PartitionTable = nullptr;
+    d->m_IconName = iconName.isEmpty() ? QStringLiteral("drive-harddisk") : iconName;
+    d->m_SmartStatus = type == Device::Disk_Device ? std::make_shared<SmartStatus>(deviceNode) : nullptr;
+    d->m_Type = type;
+}
+
 /** Copy constructor for Device.
  * @param other the other Device.
  */

src/core/device.h

@@ -29,7 +29,7 @@ class PartitionTable;
 class CreatePartitionTableOperation;
 class CoreBackend;
 class SmartStatus;
-struct DevicePrivate;
+class DevicePrivate;
 
 /** A device description.
 
@@ -60,11 +60,12 @@ public:
 protected:
     explicit Device(const QString& name, const QString& deviceNode, const qint64 logicalSectorSize, const qint64 totalLogicalSectors, const QString& iconName = QString(), Device::Type type = Device::Disk_Device);
 
+    explicit Device(std::shared_ptr<DevicePrivate> d_ptr, const QString& name, const QString& deviceNode, const qint64 logicalSectorSize, const qint64 totalLogicalSectors, const QString& iconName = QString(), Device::Type type = Device::Disk_Device);
+
 public:
     explicit Device(const Device& other);
     virtual ~Device();
 
-public:
     virtual bool operator==(const Device& other) const;
     virtual bool operator!=(const Device& other) const;
 

src/core/device_p.h

@@ -24,8 +24,9 @@
 class PartitionTable;
 class SmartStatus;
 
-struct DevicePrivate
+class DevicePrivate
 {
+public:
     QString m_Name;
     QString m_DeviceNode;
     qint64  m_LogicalSectorSize;

src/core/diskdevice.cpp

@@ -17,6 +17,7 @@
  *************************************************************************/
 
 #include "core/diskdevice.h"
+#include "core/device_p.h"
 
 #include "core/partitiontable.h"
 #include "core/smartstatus.h"
@@ -39,7 +40,11 @@
 #define BLKPBSZGET _IO(0x12,123)/* get block physical sector size */
 #endif
 
-struct DiskDevicePrivate {
+#define d_ptr std::static_pointer_cast<DiskDevicePrivate>(d)
+
+class DiskDevicePrivate : public DevicePrivate
+{
+public:
     qint32 m_Heads;
     qint32 m_SectorsPerTrack;
     qint32 m_Cylinders;
@@ -94,47 +99,46 @@ DiskDevice::DiskDevice(const QString& name,
                        qint32 cylinders,
                        qint64 sectorSize,
                        const QString& iconName)
-    : Device(name, deviceNode, sectorSize, (static_cast<qint64>(heads) * cylinders * numSectors), iconName, Device::Disk_Device)
-    , d(std::make_unique<DiskDevicePrivate>())
+    : Device(std::make_shared<DiskDevicePrivate>(), name, deviceNode, sectorSize, (static_cast<qint64>(heads) * cylinders * numSectors), iconName, Device::Disk_Device)
 {
-    d->m_Heads = heads;
-    d->m_SectorsPerTrack = numSectors;
-    d->m_Cylinders = cylinders;
-    d->m_LogicalSectorSize = sectorSize;
-    d->m_PhysicalSectorSize = getPhysicalSectorSize(deviceNode);
+    d_ptr->m_Heads = heads;
+    d_ptr->m_SectorsPerTrack = numSectors;
+    d_ptr->m_Cylinders = cylinders;
+    d_ptr->m_LogicalSectorSize = sectorSize;
+    d_ptr->m_PhysicalSectorSize = getPhysicalSectorSize(deviceNode);
 }
 
 qint32 DiskDevice::heads() const
 {
-    return d->m_Heads;
+    return d_ptr->m_Heads;
 }
 
 qint32 DiskDevice::cylinders() const
 {
-    return d->m_Cylinders;
+    return d_ptr->m_Cylinders;
 }
 
 qint32 DiskDevice::sectorsPerTrack() const
 {
-    return d->m_SectorsPerTrack;
+    return d_ptr->m_SectorsPerTrack;
 }
 
 qint64 DiskDevice::physicalSectorSize() const
 {
-    return d->m_PhysicalSectorSize;
+    return d_ptr->m_PhysicalSectorSize;
 }
 
 qint64 DiskDevice::logicalSectorSize() const
 {
-    return d->m_LogicalSectorSize;
+    return d_ptr->m_LogicalSectorSize;
 }
 
 qint64 DiskDevice::totalSectors() const
 {
-    return static_cast<qint64>(d->m_Heads) * d->m_Cylinders * d->m_SectorsPerTrack;
+    return static_cast<qint64>(d_ptr->m_Heads) * d_ptr->m_Cylinders * d_ptr->m_SectorsPerTrack;
 }
 
 qint64 DiskDevice::cylinderSize() const
 {
-    return static_cast<qint64>(d->m_Heads) * d->m_SectorsPerTrack;
+    return static_cast<qint64>(d_ptr->m_Heads) * d_ptr->m_SectorsPerTrack;
 }

src/core/diskdevice.h

@@ -32,7 +32,7 @@ class PartitionTable;
 class CreatePartitionTableOperation;
 class CoreBackend;
 class SmartStatus;
-struct DiskDevicePrivate;
+class DiskDevicePrivate;
 
 /** A disk device.
 
@@ -91,9 +91,6 @@ public:
      * @return the size of a cylinder on this Device in sectors
      */
     qint64 cylinderSize() const;
-
-private:
-    std::unique_ptr<DiskDevicePrivate> d;
 };
 
 #endif