ev-module.c File Reference

#include "config.h"
#include "ev-module.h"
#include <gmodule.h>

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Data Structures
struct	_EvModuleClass
struct	_EvModule

Macros
#define	ev_module_get_type   _ev_module_get_type

Typedefs
typedef struct _EvModuleClass	EvModuleClass
typedef GType(*	EvModuleRegisterFunc )(GTypeModule *)

Functions
static void	ev_module_init (EvModule *action)
static void	ev_module_class_init (EvModuleClass *class)
static gboolean	ev_module_load (GTypeModule *gmodule)
static void	ev_module_unload (GTypeModule *gmodule)
const gchar *	_ev_module_get_path (EvModule *module)
GObject *	_ev_module_new_object (EvModule *module)
GType	_ev_module_get_object_type (EvModule *module)
static void	ev_module_finalize (GObject *object)
EvModule *	_ev_module_new (const gchar *path, gboolean resident)

Macro Definition Documentation

#define ev_module_get_type   _ev_module_get_type

Definition at line 68 of file ev-module.c.

Typedef Documentation

typedef struct _EvModuleClass EvModuleClass

Definition at line 47 of file ev-module.c.

typedef GType(* EvModuleRegisterFunc)(GTypeModule *)

Definition at line 63 of file ev-module.c.

Function Documentation

GType _ev_module_get_object_type

(

EvModule *

module)

Definition at line 146 of file ev-module.c.

{
    g_return_val_if_fail (EV_IS_MODULE (module), 0);

    return module->type;
}

const gchar* _ev_module_get_path

(

EvModule *

module)

Definition at line 127 of file ev-module.c.

{
        g_return_val_if_fail (EV_IS_MODULE (module), NULL);

        return module->path;
}

EvModule* _ev_module_new	(	const gchar *	path,
		gboolean	resident
	)

Definition at line 181 of file ev-module.c.

{
        EvModule *result;

    g_return_val_if_fail (path != NULL && path[0] != '\0', NULL);

        result = g_object_new (EV_TYPE_MODULE, NULL);

        g_type_module_set_name (G_TYPE_MODULE (result), path);
        result->path = g_strdup (path);
    result->resident = resident;

        return result;
}

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GObject* _ev_module_new_object

(

EvModule *

module)

Definition at line 135 of file ev-module.c.

{
    g_return_val_if_fail (EV_IS_MODULE (module), NULL);
    
        if (module->type == 0)
                return NULL;

        return g_object_new (module->type, NULL);
}

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static void ev_module_class_init ( EvModuleClass *  class)

static

Definition at line 169 of file ev-module.c.

{
        GObjectClass *object_class = G_OBJECT_CLASS (class);
        GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);

        object_class->finalize = ev_module_finalize;

        module_class->load = ev_module_load;
        module_class->unload = ev_module_unload;
}

static void ev_module_finalize ( GObject *  object)

static

Definition at line 159 of file ev-module.c.

{
        EvModule *module = EV_MODULE (object);

        g_free (module->path);

        G_OBJECT_CLASS (ev_module_parent_class)->finalize (object);
}

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static void ev_module_init ( EvModule *  action)

static

Definition at line 154 of file ev-module.c.

{
}

static gboolean ev_module_load ( GTypeModule *  gmodule)

static

Definition at line 72 of file ev-module.c.

{
        EvModule *module = EV_MODULE (gmodule);
        EvModuleRegisterFunc register_func;

        module->library = g_module_open (module->path, 0);

        if (!module->library) {
                g_warning ("%s", g_module_error ());

                return FALSE;
        }

        /* extract symbols from the lib */
        if (!g_module_symbol (module->library, "register_evince_backend",
                              (void *) &register_func)) {
                g_warning ("%s", g_module_error ());
                g_module_close (module->library);

                return FALSE;
        }

        /* symbol can still be NULL even though g_module_symbol
         * returned TRUE */
        if (!register_func) {
                g_warning ("Symbol 'register_evince_backend' should not be NULL");
                g_module_close (module->library);

                return FALSE;
        }

        module->type = register_func (gmodule);

        if (module->type == 0) {
                g_warning ("Invalid evince backend contained by module %s", module->path);
        
                return FALSE;
        }

    if (module->resident)
        g_module_make_resident (module->library);

        return TRUE;
}

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static void ev_module_unload ( GTypeModule *  gmodule)

static

Definition at line 118 of file ev-module.c.

{
        EvModule *module = EV_MODULE (gmodule);

        g_module_close (module->library);
        module->library = NULL;
}

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