## EImportHook

EImportHook

## Functions

void | (*EImportCompleteFunc) ()
void | (*EImportStatusFunc) ()
void | (*EImportFactoryFunc) ()
void | (*EImportImporterFunc) ()
gboolean | (*EImportSupportedFunc) ()
GtkWidget * | (*EImportWidgetFunc) ()
void | (*EImportImportFunc) ()
EImport * | e_import_new ()
void | e_import_class_add_importer ()
GSList * | e_import_get_importers ()
EImport * | e_import_construct ()
void | e_import_import ()
void | e_import_cancel ()
GtkWidget * | e_import_get_widget ()
GtkWidget * | e_import_get_preview_widget ()
gboolean | e_import_get_widget_complete ()
void | e_import_set_widget_complete ()
void | e_import_status ()
void | e_import_complete ()
gpointer | e_import_target_new ()
void | e_import_target_free ()
EImportTargetURI * | e_import_target_new_uri ()
EImportTargetHome * | e_import_target_new_home ()
gchar * | e_import_util_get_file_contents ()
void | e_import_hook_class_add_target_map ()

## Properties

gboolean | widget-complete | Read / Write

## Types and Values

enum | e_import_target_t
struct | EImportImporter
struct | EImportTarget
struct | EImportTargetURI
struct | EImportTargetHome
typedef | EImportHookTargetMap
typedef | EImportHookTargetMask
struct | EImportHookImporter
struct | EImportHookClass
| EImportFactory

## Object Hierarchy

        GObject
        ├── EPluginHook
        │   ╰── EImportHook
        ╰── EImport

## Description

## Functions

### EImportCompleteFunc ()

    void
    (*EImportCompleteFunc) (EImport *ei,
                            const GError *error,
                            gpointer user_data);

### EImportStatusFunc ()

    void
    (*EImportStatusFunc) (EImport *ei,
                          const gchar *what,
                          gint pc,
                          gpointer data);

### EImportFactoryFunc ()

    void
    (*EImportFactoryFunc) (EImport *ei,
                           gpointer data);

### EImportImporterFunc ()

    void
    (*EImportImporterFunc) (EImportImporter *importer,
                            gpointer data);

### EImportSupportedFunc ()

    gboolean
    (*EImportSupportedFunc) (EImport *ei,
                             EImportTarget *Param2,
                             EImportImporter *im);

### EImportWidgetFunc ()

    GtkWidget *
    (*EImportWidgetFunc) (EImport *ei,
                          EImportTarget *Param2,
                          EImportImporter *im);

### EImportImportFunc ()

    void
    (*EImportImportFunc) (EImport *ei,
                          EImportTarget *Param2,
                          EImportImporter *im);

### e_import_new ()

    EImport *
    e_import_new (const gchar *id);

### e_import_class_add_importer ()

    void
    e_import_class_add_importer (EImportClass *klass,
                                 EImportImporter *importer,
                                 EImportImporterFunc freefunc,
                                 gpointer data);

#### Parameters

klass | An initialised implementing instance of EImport. |
importer | Importer to add. |
freefunc | If supplied, called to free the importer node when it is no longer needed. |
data | Data for the callback. |

### e_import_get_importers ()

    GSList *
    e_import_get_importers (EImport *import,
                            EImportTarget *target);

Get a list of importers. If `target` is supplied, then only importers which support the type and location specified by the target are listed. If `target` is NULL, then all importers are listed.

#### Parameters

import | an EImport |
target | an EImportTarget |

#### Returns

A list of importers. The list should be freed when no longer needed.

### e_import_construct ()

    EImport *
    e_import_construct (EImport *import,
                        const gchar *id);

Used by implementing classes to initialise base parameters.

#### Parameters

import | The instance to initialise. |
id | The name of the instance. |

#### Returns

`ep` is returned.

### e_import_import ()

    void
    e_import_import (EImport *import,
                     EImportTarget *target,
                     EImportImporter *importer,
                     EImportStatusFunc status,
                     EImportCompleteFunc done,
                     gpointer data);

Run the import function of the selected importer. Once the importer has finished, it MUST call the `e_import_complete()` function. This allows importers to run in synchronous or asynchronous mode.

When complete, the `done` callback will be called.

#### Parameters

import | an EImport |
target | Target to import. |
importer | Importer to use. |
status | Status callback, called with progress information. |
done | Complete callback, will always be called once complete. |
data | user data for callback functions |

### e_import_cancel ()

    void
    e_import_cancel (EImport *import,
                     EImportTarget *target,
                     EImportImporter *importer);

### e_import_get_widget ()

    GtkWidget *
    e_import_get_widget (EImport *import,
                         EImportTarget *target,
                         EImportImporter *importer);

Gets a widget that the importer uses to configure its destination. This widget should be packed into a container widget. It should not be shown_all.

#### Parameters

import | an EImport |
target | Target of interest |
importer | Importer to get widget of |

#### Returns

NULL if the importer doesn't support/require a destination.

### e_import_get_preview_widget ()

    GtkWidget *
    e_import_get_preview_widget (EImport *import,
                                 EImportTarget *target,
                                 EImportImporter *im);

Gets a widget that the importer uses to preview data to be imported. This widget should be packed into a container widget. It should not be shown_all.

#### Parameters

import | an EImport |
target | Target of interest |
im | Importer to get a preview widget of |

#### Returns

NULL if the importer doesn't support preview.

### e_import_get_widget_complete ()

    gboolean
    e_import_get_widget_complete (EImport *import);

### e_import_set_widget_complete ()

    void
    e_import_set_widget_complete (EImport *import,
                                  gboolean value);

### e_import_status ()

    void
    e_import_status (EImport *import,
                     EImportTarget *target,
                     const gchar *what,
                     gint pc);

### e_import_complete ()

    void
    e_import_complete (EImport *import,
                       EImportTarget *target,
                       const GError *error);

Signify that an import is complete. This must be called by importer implementations when they are done.

#### Parameters

import | an EImport |
target | Target just completed (unused currently) |
error | a GError for the operation, `NULL` when succeeded |

### e_import_target_new ()

    gpointer
    e_import_target_new (EImport *import,
                         gint type,
                         gsize size);

Allocate a new import target suitable for this class. Implementing classes will define the actual content of the target.

#### Parameters

import | an EImport |
type | type, up to implementor |
size | Size of object to allocate. |

### e_import_target_free ()

    void
    e_import_target_free (EImport *import,
                          gpointer target);

Free a target. The implementing class can override this method to free custom targets.

#### Parameters

import | an EImport |
target | the target to free |

### e_import_target_new_uri ()

    EImportTargetURI *
    e_import_target_new_uri (EImport *import,
                             const gchar *uri_src,
                             const gchar *uri_dst);

### e_import_target_new_home ()

    EImportTargetHome *
    e_import_target_new_home (EImport *import);

### e_import_util_get_file_contents ()

    gchar *
    e_import_util_get_file_contents (const gchar *filename,
                                     gsize size_limit,
                                     GError **error);

Reads the `filename` content and returns it in a single-byte encoding. The content can be cut around `size_limit` bytes.

#### Parameters

filename | a local file name to read the contents from |
size_limit | up to how many bytes to read, 0 for the whole file |
error | a return location for a GError, or `NULL`. | [nullable]

#### Returns

the file content, or `NULL` on error, in which case the `error` is set.

[transfer full][nullable]

Since: 3.42

### e_import_hook_class_add_target_map ()

    void
    e_import_hook_class_add_target_map (EImportHookClass *klass,
                                        const EImportHookTargetMap *map);

`class` : The dervied EimportHook class. `map` : A map used to describe a single EImportTarget type for this class.

Add a targe tmap to a concrete derived class of EImport. The target map enumates the target types available for the implenting class.

## Types and Values

### enum e_import_target_t

#### Members

E_IMPORT_TARGET_URI |  |
E_IMPORT_TARGET_HOME |  |
E_IMPORT_TARGET_LAST |  |

### struct EImportImporter

    struct EImportImporter {
    	enum _e_import_target_t type;

    	gint pri;

    	EImportSupportedFunc supported;
    	EImportWidgetFunc get_widget;
    	EImportImportFunc import;
    	EImportImportFunc cancel;
    	EImportWidgetFunc get_preview;

    	gpointer user_data;

    	/* ?? */
    	gchar *name;
    	gchar *description;
    };

### struct EImportTarget

    struct EImportTarget {
    	EImport *import;

    	guint32 type;

    	GData *data;

    	/* implementation fields follow, depends on target type */
    };

### struct EImportTargetURI

    struct EImportTargetURI {
    	EImportTarget target;

    	gchar *uri_src;
    	gchar *uri_dest;
    };

### struct EImportTargetHome

    struct EImportTargetHome {
    	EImportTarget target;
    };

### EImportHookTargetMap

    typedef struct _EPluginHookTargetMap EImportHookTargetMap;

### EImportHookTargetMask

    typedef struct _EPluginHookTargetKey EImportHookTargetMask;

### struct EImportHookImporter

    struct EImportHookImporter {
    	EImportImporter importer;

    	/* user_data == EImportHook */

    	gchar *supported;
    	gchar *get_widget;
    	gchar *import;
    	gchar *cancel;
    };

### struct EImportHookClass

    struct EImportHookClass {
    	EPluginHookClass hook_class;

    	/* EImportHookTargetMap by .type */
    	GHashTable *target_map;
    	/* the import class these imports's belong to */
    	EImportClass *import_class;
    };

This is an abstract class defining the plugin hook point for import windows.

#### Members

EPluginHookClass `hook_class`; | Superclass. |
GHashTable *`target_map`; | A table of EImportHookTargetMap structures describing the possible target types supported by this class. |
EImportClass *`import_class`; | The EImport derived class that this hook implementation drives. |

### EImportFactory

    typedef struct _EImportFactory EImportFactory;

## Property Details

### The `“widget-complete”` property

      “widget-complete”          gboolean

Owner: EImport

Flags: Read / Write

Default value: FALSE