C++ BPartition::ContentName方法代码示例

void
AutoMounter::_UnmountAndEjectVolume(BMessage* message)
{
	int32 id;
	if (message->FindInt32("id", &id) == B_OK) {
		BDiskDeviceRoster roster;
		BPartition *partition;
		BDiskDevice device;
		if (roster.GetPartitionWithID(id, &device, &partition) != B_OK)
			return;

		BPath path;
		if (partition->GetMountPoint(&path) == B_OK)
			_UnmountAndEjectVolume(partition, path, partition->ContentName());
	} else {
		// see if we got a dev_t

		dev_t device;
		if (message->FindInt32("device_id", &device) != B_OK)
			return;

		BVolume volume(device);
		status_t status = volume.InitCheck();

		char name[B_FILE_NAME_LENGTH];
		if (status == B_OK)
			status = volume.GetName(name);
		if (status < B_OK)
			snprintf(name, sizeof(name), "device:%" B_PRIdDEV, device);

		BPath path;
		if (status == B_OK) {
			BDirectory mountPoint;
			status = volume.GetRootDirectory(&mountPoint);
			if (status == B_OK)
				status = path.SetTo(&mountPoint, ".");
		}

		if (status == B_OK)
			_UnmountAndEjectVolume(NULL, path, name);
	}
}

void
MainWindow::_Initialize(BDiskDevice* disk, partition_id selectedPartition,
	const BString& diskSystemName)
{
	if (!disk || selectedPartition < 0) {
		_DisplayPartitionError(B_TRANSLATE("You need to select a partition "
			"entry from the list."));
		return;
	}

	if (disk->IsReadOnly()) {
		_DisplayPartitionError(B_TRANSLATE("The selected disk is read-only."));
		return;
	}

	BPartition* partition = disk->FindDescendant(selectedPartition);
	if (!partition) {
		_DisplayPartitionError(B_TRANSLATE("Unable to find the selected "
			"partition by ID."));
		return;
	}

	if (partition->IsMounted()) {
		_DisplayPartitionError(
			B_TRANSLATE("The partition %s is currently mounted."));
		// TODO: option to unmount and continue on success to unmount
		return;
	}

	BDiskSystem diskSystem;
	fDDRoster.RewindDiskSystems();
	bool found = false;
	while (fDDRoster.GetNextDiskSystem(&diskSystem) == B_OK) {
		if (diskSystem.SupportsInitializing()) {
			if (diskSystemName == diskSystem.PrettyName()) {
				found = true;
				break;
			}
		}
	}

	char message[512];

	if (!found) {
		snprintf(message, sizeof(message), B_TRANSLATE("Disk system \"%s\"\" "
			"not found!"));
		_DisplayPartitionError(message);
		return;
	}

	if (diskSystem.IsFileSystem()) {
		if (disk->ID() == selectedPartition) {
			snprintf(message, sizeof(message), B_TRANSLATE("Are you sure you "
				"want to format a raw disk? (most people initialize the disk "
				"with a partitioning system first) You will be asked "
				"again before changes are written to the disk."));
		} else if (partition->ContentName()
			&& strlen(partition->ContentName()) > 0) {
			snprintf(message, sizeof(message), B_TRANSLATE("Are you sure you "
				"want to format the partition \"%s\"? You will be asked "
				"again before changes are written to the disk."),
				partition->ContentName());
		} else {
			snprintf(message, sizeof(message), B_TRANSLATE("Are you sure you "
				"want to format the partition? You will be asked again "
				"before changes are written to the disk."));
		}
	} else {
		snprintf(message, sizeof(message), B_TRANSLATE("Are you sure you "
			"want to initialize the selected disk? All data will be lost. "
			"You will be asked again before changes are written to the "
			"disk.\n"));
	}
	BAlert* alert = new BAlert("first notice", message,
		B_TRANSLATE("Continue"), B_TRANSLATE("Cancel"), NULL,
		B_WIDTH_FROM_WIDEST, B_WARNING_ALERT);
	int32 choice = alert->Go();

	if (choice == 1)
		return;

	ModificationPreparer modificationPreparer(disk);
	status_t ret = modificationPreparer.ModificationStatus();
	if (ret != B_OK) {
		_DisplayPartitionError(B_TRANSLATE("There was an error preparing the "
			"disk for modifications."), NULL, ret);
		return;
	}

	BString name;
	BString parameters;

	// TODO: diskSystem.IsFileSystem() seems like a better fit here?
	if (diskSystemName == "Be File System") {
		InitParamsPanel* panel = new InitParamsPanel(this, diskSystemName,
			partition);
		if (panel->Go(name, parameters) == GO_CANCELED)
			return;
	} else if (diskSystemName == "Intel Partition Map") {
		// TODO: parameters?
//.........这里部分代码省略.........