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authorMatthew Barnes <mbarnes@redhat.com>2009-09-26 23:26:17 +0800
committerMatthew Barnes <mbarnes@redhat.com>2009-09-26 23:26:17 +0800
commit5507f4dbbd489c5f2bf841207a27efca53d5233b (patch)
treeee3abcb5a51baf1f6b088b203dd4fd3035494b37 /e-util
parentbab29564a3067a8eefbe4c92a7117d54fb031b49 (diff)
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Whoops, too soon to kill EImportHook just yet.
Diffstat (limited to 'e-util')
-rw-r--r--e-util/e-import.c239
-rw-r--r--e-util/e-import.h70
2 files changed, 309 insertions, 0 deletions
diff --git a/e-util/e-import.c b/e-util/e-import.c
index 08747cd551..fbc21b2c87 100644
--- a/e-util/e-import.c
+++ b/e-util/e-import.c
@@ -363,3 +363,242 @@ e_import_target_new_home (EImport *ei)
return e_import_target_new (
ei, E_IMPORT_TARGET_HOME, sizeof (EImportTargetHome));
}
+
+/* ********************************************************************** */
+
+/* Import menu plugin handler */
+
+/*
+<e-plugin
+ class="org.gnome.mail.plugin.import:1.0"
+ id="org.gnome.mail.plugin.import.item:1.0"
+ type="shlib"
+ location="/opt/gnome2/lib/camel/1.0/libcamelimap.so"
+ name="imap"
+ description="IMAP4 and IMAP4v1 mail store">
+ <hook class="org.gnome.mail.importMenu:1.0"
+ handler="HandleImport">
+ <menu id="any" target="select">
+ <item
+ type="item|toggle|radio|image|submenu|bar"
+ active
+ path="foo/bar"
+ label="label"
+ icon="foo"
+ activate="ep_view_emacs"/>
+ </menu>
+ </extension>
+
+*/
+
+static gpointer emph_parent_class;
+#define emph ((EImportHook *)eph)
+
+static const EImportHookTargetMask eih_no_masks[] = {
+ { NULL }
+};
+
+static const EImportHookTargetMap eih_targets[] = {
+ { "uri", E_IMPORT_TARGET_URI, eih_no_masks },
+ { "home", E_IMPORT_TARGET_HOME, eih_no_masks },
+ { NULL }
+};
+
+static gboolean eih_supported(EImport *ei, EImportTarget *target, EImportImporter *im)
+{
+ struct _EImportHookImporter *ihook = (EImportHookImporter *)im;
+ EImportHook *hook = im->user_data;
+
+ return e_plugin_invoke(hook->hook.plugin, ihook->supported, target) != NULL;
+}
+
+static GtkWidget *eih_get_widget(EImport *ei, EImportTarget *target, EImportImporter *im)
+{
+ struct _EImportHookImporter *ihook = (EImportHookImporter *)im;
+ EImportHook *hook = im->user_data;
+
+ return e_plugin_invoke(hook->hook.plugin, ihook->get_widget, target);
+}
+
+static void eih_import(EImport *ei, EImportTarget *target, EImportImporter *im)
+{
+ struct _EImportHookImporter *ihook = (EImportHookImporter *)im;
+ EImportHook *hook = im->user_data;
+
+ e_plugin_invoke(hook->hook.plugin, ihook->import, target);
+}
+
+static void eih_cancel(EImport *ei, EImportTarget *target, EImportImporter *im)
+{
+ struct _EImportHookImporter *ihook = (EImportHookImporter *)im;
+ EImportHook *hook = im->user_data;
+
+ e_plugin_invoke(hook->hook.plugin, ihook->cancel, target);
+}
+
+static void
+eih_free_importer(EImportImporter *im, gpointer data)
+{
+ EImportHookImporter *ihook = (EImportHookImporter *)im;
+
+ g_free(ihook->supported);
+ g_free(ihook->get_widget);
+ g_free(ihook->import);
+ g_free(ihook);
+}
+
+static struct _EImportHookImporter *
+emph_construct_importer(EPluginHook *eph, xmlNodePtr root)
+{
+ struct _EImportHookImporter *item;
+ EImportHookTargetMap *map;
+ EImportHookClass *klass = (EImportHookClass *)G_OBJECT_GET_CLASS(eph);
+ gchar *tmp;
+
+ d(printf(" loading import item\n"));
+ item = g_malloc0(sizeof(*item));
+
+ tmp = (gchar *)xmlGetProp(root, (const guchar *)"target");
+ if (tmp == NULL)
+ goto error;
+ map = g_hash_table_lookup(klass->target_map, tmp);
+ xmlFree(tmp);
+ if (map == NULL)
+ goto error;
+
+ item->importer.type = map->id;
+ item->supported = e_plugin_xml_prop(root, "supported");
+ item->get_widget = e_plugin_xml_prop(root, "get-widget");
+ item->import = e_plugin_xml_prop(root, "import");
+ item->cancel = e_plugin_xml_prop(root, "cancel");
+
+ item->importer.name = e_plugin_xml_prop(root, "name");
+ item->importer.description = e_plugin_xml_prop(root, "description");
+
+ item->importer.user_data = eph;
+
+ if (item->import == NULL || item->supported == NULL)
+ goto error;
+
+ item->importer.supported = eih_supported;
+ item->importer.import = eih_import;
+ if (item->get_widget)
+ item->importer.get_widget = eih_get_widget;
+ if (item->cancel)
+ item->importer.cancel = eih_cancel;
+
+ return item;
+error:
+ d(printf("error!\n"));
+ eih_free_importer((EImportImporter *)item, NULL);
+ return NULL;
+}
+
+static gint
+emph_construct(EPluginHook *eph, EPlugin *ep, xmlNodePtr root)
+{
+ xmlNodePtr node;
+ EImportClass *klass;
+
+ d(printf("loading import hook\n"));
+
+ if (((EPluginHookClass *)emph_parent_class)->construct(eph, ep, root) == -1)
+ return -1;
+
+ klass = ((EImportHookClass *)G_OBJECT_GET_CLASS(eph))->import_class;
+
+ node = root->children;
+ while (node) {
+ if (strcmp((gchar *)node->name, "importer") == 0) {
+ struct _EImportHookImporter *ihook;
+
+ ihook = emph_construct_importer(eph, node);
+ if (ihook) {
+ e_import_class_add_importer(klass, &ihook->importer, eih_free_importer, eph);
+ emph->importers = g_slist_append(emph->importers, ihook);
+ }
+ }
+ node = node->next;
+ }
+
+ eph->plugin = ep;
+
+ return 0;
+}
+
+static void
+emph_finalise(GObject *o)
+{
+ /*EPluginHook *eph = (EPluginHook *)o;*/
+
+ /* free importers? */
+
+ ((GObjectClass *)emph_parent_class)->finalize(o);
+}
+
+static void
+emph_class_init(EPluginHookClass *klass)
+{
+ gint i;
+
+ ((GObjectClass *)klass)->finalize = emph_finalise;
+ klass->construct = emph_construct;
+
+ /** @HookClass: Evolution Importers
+ * @Id: org.gnome.evolution.import:1.0
+ * @Target: EImportTarget
+ *
+ * A hook for data importers.
+ **/
+
+ klass->id = "org.gnome.evolution.import:1.0";
+
+ d(printf("EImportHook: init class %p '%s'\n", klass, g_type_name(((GObjectClass *)klass)->g_type_class.g_type)));
+
+ ((EImportHookClass *)klass)->target_map = g_hash_table_new(g_str_hash, g_str_equal);
+ ((EImportHookClass *)klass)->import_class = g_type_class_ref(e_import_get_type());
+
+ for (i=0;eih_targets[i].type;i++)
+ e_import_hook_class_add_target_map((EImportHookClass *)klass, &eih_targets[i]);
+}
+
+/**
+ * e_import_hook_get_type:
+ *
+ * Standard GObject function to get the object type.
+ *
+ * Return value: The EImportHook class type.
+ **/
+GType
+e_import_hook_get_type(void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo info = {
+ sizeof(EImportHookClass), NULL, NULL, (GClassInitFunc) emph_class_init, NULL, NULL,
+ sizeof(EImportHook), 0, (GInstanceInitFunc) NULL,
+ };
+
+ emph_parent_class = g_type_class_ref(e_plugin_hook_get_type());
+ type = g_type_register_static(e_plugin_hook_get_type(), "EImportHook", &info, 0);
+ }
+
+ return type;
+}
+
+/**
+ * e_import_hook_class_add_target_map:
+ *
+ * @klass: 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.
+ **/
+void e_import_hook_class_add_target_map(EImportHookClass *klass, const EImportHookTargetMap *map)
+{
+ g_hash_table_insert(klass->target_map, (gpointer)map->type, (gpointer)map);
+}
diff --git a/e-util/e-import.h b/e-util/e-import.h
index 8215604c69..b0ffe3b3d5 100644
--- a/e-util/e-import.h
+++ b/e-util/e-import.h
@@ -185,6 +185,76 @@ void e_import_target_free(EImport *ep, gpointer o);
EImportTargetURI *e_import_target_new_uri(EImport *ei, const gchar *suri, const gchar *duri);
EImportTargetHome *e_import_target_new_home(EImport *ei);
+/* ********************************************************************** */
+
+/* import plugin target, they are closely integrated */
+
+/* To implement a basic import plugin, you just need to subclass
+ this and initialise the class target type tables */
+
+#include "e-util/e-plugin.h"
+
+typedef struct _EPluginHookTargetMap EImportHookTargetMap;
+typedef struct _EPluginHookTargetKey EImportHookTargetMask;
+
+typedef struct _EImportHook EImportHook;
+typedef struct _EImportHookClass EImportHookClass;
+
+typedef struct _EImportHookImporter EImportHookImporter;
+
+struct _EImportHookImporter {
+ EImportImporter importer;
+
+ /* user_data == EImportHook */
+
+ gchar *supported;
+ gchar *get_widget;
+ gchar *import;
+ gchar *cancel;
+};
+
+/**
+ * struct _EImportHook - Plugin hook for importuration windows.
+ *
+ * @hook: Superclass.
+ * @groups: A list of EImportHookGroup's of all importuration windows
+ * this plugin hooks into.
+ *
+ **/
+struct _EImportHook {
+ EPluginHook hook;
+
+ GSList *importers;
+};
+
+/**
+ * struct _EImportHookClass - Abstract class for importuration window
+ * plugin hooks.
+ *
+ * @hook_class: Superclass.
+ * @target_map: A table of EImportHookTargetMap structures describing
+ * the possible target types supported by this class.
+ * @import_class: The EImport derived class that this hook
+ * implementation drives.
+ *
+ * This is an abstract class defining the plugin hook point for
+ * importuration windows.
+ *
+ **/
+struct _EImportHookClass {
+ EPluginHookClass hook_class;
+
+ /* EImportHookTargetMap by .type */
+ GHashTable *target_map;
+ /* the import class these imports's belong to */
+ EImportClass *import_class;
+};
+
+GType e_import_hook_get_type(void);
+
+/* for implementors */
+void e_import_hook_class_add_target_map(EImportHookClass *klass, const EImportHookTargetMap *);
+
G_END_DECLS
#endif /* __E_IMPORT_H__ */