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ssm: Make possible to set data via function

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Use the same approach of GTask, making possible to set the data from a
function. Givent the fact that a SSM has now a device parameter, it's
generally not needed to pass an extra data value.

In such case make it possible to set it and to define a destroy-notify
function to handle its destruction when freeing the SSM.
This commit is contained in:
Marco Trevisan (Treviño)
2019-11-20 18:05:46 +01:00
committed by Benjamin Berg
parent 1319daba54
commit 7bc62821ee
20 changed files with 277 additions and 330 deletions
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16
libfprint/fpi-ssm.h
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@@ -38,7 +38,6 @@ typedef struct _FpiSsm FpiSsm;
* FpiSsmCompletedCallback:
* @ssm: a #FpiSsm state machine
* @dev: the #fp_dev fingerprint device
* @user_data: the user data passed to fpi_ssm_new()
* @error: The #GError or %NULL on successful completion
*
* The callback called when a state machine completes successfully,
@@ -46,27 +45,23 @@ typedef struct _FpiSsm FpiSsm;
*/
typedef void (*FpiSsmCompletedCallback)(FpiSsm *ssm,
FpDevice *dev,
void *user_data,
GError *error);
/**
* FpiSsmHandlerCallback:
* @ssm: a #FpiSsm state machine
* @dev: the #fp_dev fingerprint device
* @user_data: the user data passed to fpi_ssm_new()
*
* The callback called when a state machine transitions from one
* state to the next, as set when calling fpi_ssm_new().
* state to the next, as set when calling fpi_ssm_new ().
*/
typedef void (*FpiSsmHandlerCallback)(FpiSsm *ssm,
FpDevice *dev,
void *user_data);
FpDevice *dev);
/* for library and drivers */
FpiSsm *fpi_ssm_new (FpDevice *dev,
FpiSsmHandlerCallback handler,
int nr_states,
void *user_data);
int nr_states);
void fpi_ssm_free (FpiSsm *machine);
void fpi_ssm_start (FpiSsm *ssm,
FpiSsmCompletedCallback callback);
@@ -80,7 +75,10 @@ void fpi_ssm_jump_to_state (FpiSsm *machine,
void fpi_ssm_mark_completed (FpiSsm *machine);
void fpi_ssm_mark_failed (FpiSsm *machine,
GError *error);
void *fpi_ssm_get_user_data (FpiSsm *machine);
void fpi_ssm_set_data (FpiSsm *machine,
gpointer ssm_data,
GDestroyNotify ssm_data_destroy);
gpointer fpi_ssm_get_data (FpiSsm *machine);
GError * fpi_ssm_get_error (FpiSsm *machine);
GError * fpi_ssm_dup_error (FpiSsm *machine);
int fpi_ssm_get_cur_state (FpiSsm *machine);