Headers for the disk device manager. Very early state.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3454 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-06-09 23:04:54 +00:00
parent bef8916ea6
commit 4c212afefb
12 changed files with 1047 additions and 0 deletions
@@ -0,0 +1,57 @@
+// KDiskDeviceJob.h
+
+#ifndef _K_DISK_DEVICE_JOB_H
+#define _K_DISK_DEVICE_JOB_H
+
+#include "disk_device_manager.h"
+
+struct user_disk_device_job_info;
+
+namespace BPrivate {
+namespace DiskDevice {
+
+class KDiskDeviceJob {
+public:
+	KDiskDeviceJob(partition_id partition, partition_id scope = -1);
+	virtual ~KDiskDeviceJob();
+
+	disk_job_id ID() const;
+
+	void SetStatus(uint32 status);
+	uint32 Status() const;
+
+	void SetDescription(const char *description);
+	const char *Description() const;
+		// Maybe better just a virtual void GetDescription(char*)?
+
+	void SetPartitionID(partition_id partitionID);
+		// Probably not needed, since passed to the constructor.
+	partition_id PartitionID() const;
+	partition_id ScopeID() const;
+
+	virtual void UpdateProgress(float progress);
+		// may trigger a notification
+		// virtual, since some jobs are composed of several tasks (e.g. Move).
+		// We might want to explicitly support subtasks in the base class, or
+		// even in the userland API.
+	void UpdateExtraProgress(const char *info);
+		// triggers a notification
+	float Progress() const;
+
+	status_t GetInfo(user_disk_device_job_info *info);
+
+	virtual status_t Do();
+
+	// TODO: Do we want to add a Cancel() here? We probably can't tell the
+	// disk system directly anyway. That is, if the job is in progress,
+	// the disk system would have to check the job status periodically
+	// to find out, if the job had been canceled. But then a
+	// SetStatus(B_DISK_DEVICE_JOB_CANCELED) would be sufficient.
+};
+
+} // namespace DiskDevice
+} // namespace BPrivate
+
+using BPrivate::DiskDevice::KDiskDeviceJob;
+
+#endif	// _DISK_DEVICE_JOB_H