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device: Expose supported features publicly as FpDeviceFeature

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It can be convenient for device users to check what it supports, without
having multiple functions to check each single feature.

So expose this and add tests.
This commit is contained in:
Marco Trevisan (Treviño)
2021-04-09 21:31:43 +02:00
parent bd99f865d8
commit ef805f2341
14 changed files with 330 additions and 129 deletions
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52
libfprint/fp-device.c
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@@ -140,7 +140,7 @@ fp_device_constructed (GObject *object)
FpDeviceClass *cls = FP_DEVICE_GET_CLASS (self);
FpDevicePrivate *priv = fp_device_get_instance_private (self);
g_assert (cls->features != FPI_DEVICE_FEATURE_NONE);
g_assert (cls->features != FP_DEVICE_FEATURE_NONE);
priv->type = cls->type;
if (cls->nr_enroll_stages)
@@ -629,7 +629,7 @@ fp_device_supports_identify (FpDevice *device)
g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
return cls->identify && !!(cls->features & FPI_DEVICE_FEATURE_IDENTIFY);
return cls->identify && !!(cls->features & FP_DEVICE_FEATURE_IDENTIFY);
}
/**
@@ -647,7 +647,7 @@ fp_device_supports_capture (FpDevice *device)
g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
return cls->capture && !!(cls->features & FPI_DEVICE_FEATURE_CAPTURE);
return cls->capture && !!(cls->features & FP_DEVICE_FEATURE_CAPTURE);
}
/**
@@ -666,7 +666,7 @@ fp_device_has_storage (FpDevice *device)
g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
return !!(cls->features & FPI_DEVICE_FEATURE_STORAGE);
return !!(cls->features & FP_DEVICE_FEATURE_STORAGE);
}
/**
@@ -976,7 +976,7 @@ fp_device_verify (FpDevice *device,
return;
}
if (!cls->verify || !(cls->features & FPI_DEVICE_FEATURE_VERIFY))
if (!cls->verify || !(cls->features & FP_DEVICE_FEATURE_VERIFY))
{
g_task_return_error (task,
fpi_device_error_new_msg (FP_DEVICE_ERROR_NOT_SUPPORTED,
@@ -1211,7 +1211,7 @@ fp_device_capture (FpDevice *device,
return;
}
if (!cls->capture || !(cls->features & FPI_DEVICE_FEATURE_CAPTURE))
if (!cls->capture || !(cls->features & FP_DEVICE_FEATURE_CAPTURE))
{
g_task_return_error (task,
fpi_device_error_new_msg (FP_DEVICE_ERROR_NOT_SUPPORTED,
@@ -1295,7 +1295,7 @@ fp_device_delete_print (FpDevice *device,
}
/* Succeed immediately if delete is not implemented. */
if (!cls->delete || !(cls->features & FPI_DEVICE_FEATURE_STORAGE_DELETE))
if (!cls->delete || !(cls->features & FP_DEVICE_FEATURE_STORAGE_DELETE))
{
g_task_return_boolean (task, TRUE);
return;
@@ -1672,3 +1672,41 @@ fp_device_list_prints_sync (FpDevice *device,
return fp_device_list_prints_finish (device, task, error);
}
/**
* fp_device_get_features:
* @device: a #FpDevice
*
* Gets the #FpDeviceFeature's supported by the @device.
*
* Returns: #FpDeviceFeature flags of supported features
*/
FpDeviceFeature
fp_device_get_features (FpDevice *device)
{
g_return_val_if_fail (FP_IS_DEVICE (device), FP_DEVICE_FEATURE_NONE);
return FP_DEVICE_GET_CLASS (device)->features;
}
/**
* fp_device_has_feature:
* @device: a #FpDevice
* @feature: #FpDeviceFeature flags to check against device supported features
*
* Checks if @device supports the requested #FpDeviceFeature's.
* See fp_device_get_features()
*
* Returns: %TRUE if supported, %FALSE otherwise
*/
gboolean
fp_device_has_feature (FpDevice *device,
FpDeviceFeature feature)
{
g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
if (feature == FP_DEVICE_FEATURE_NONE)
return fp_device_get_features (device) == feature;
return (fp_device_get_features (device) & feature) == feature;
}