X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=libdocument%2Fev-document.c;h=e1521b7b5596982c3e10c5d089f29f9b968390e8;hb=cc3f21efc8104182171c9300facc16d9a79177ef;hp=e23d55eb88e99ac020a33c5a30d2bd14582a9acf;hpb=39ee0da7cde59019340f5be8fdb85425248c4547;p=evince.git

diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c
index e23d55eb..e1521b7b 100644
--- a/libdocument/ev-document.c
+++ b/libdocument/ev-document.c
@@ -22,38 +22,10 @@
 
 #include "ev-document.h"
 
-#include "ev-backend-marshalers.h"
-
-static void ev_document_class_init (gpointer g_class);
-
-
 GMutex *ev_doc_mutex = NULL;
 GMutex *ev_fc_mutex = NULL;
 
-GType
-ev_document_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0))
-	{
-		const GTypeInfo our_info =
-		{
-			sizeof (EvDocumentIface),
-			NULL,
-			NULL,
-			(GClassInitFunc)ev_document_class_init
-		};
-
-		type = g_type_register_static (G_TYPE_INTERFACE,
-					       "EvDocument",
-					       &our_info, (GTypeFlags)0);
-		
-		g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
-	}
-
-	return type;
-}
+EV_DEFINE_INTERFACE (EvDocument, ev_document, G_TYPE_OBJECT)
 
 GQuark
 ev_document_error_quark (void)
@@ -66,7 +38,7 @@ ev_document_error_quark (void)
 }
 
 static void
-ev_document_class_init (gpointer g_class)
+ev_document_class_init (EvDocumentIface *klass)
 {
 }
 
@@ -124,6 +96,23 @@ ev_document_fc_mutex_trylock (void)
 	return g_mutex_trylock (ev_document_get_fc_mutex ());
 }
 
+/**
+ * ev_document_load:
+ * @document: a #EvDocument
+ * @uri: the document's URI
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Loads @document from @uri.
+ * 
+ * On failure, %FALSE is returned and @error is filled in.
+ * If the document is encrypted, EV_DEFINE_ERROR_ENCRYPTED is returned.
+ * If the backend cannot load the specific document, EV_DOCUMENT_ERROR_INVALID
+ * is returned. Other errors are possible too, depending on the backend
+ * used to load the document and the URI, e.g. #GIOError, #GFileError, and
+ * #GConvertError.
+ *
+ * Returns: %TRUE on success, or %FALSE on failure.
+ */
 gboolean
 ev_document_load (EvDocument  *document,
 		  const char  *uri,
@@ -131,12 +120,37 @@ ev_document_load (EvDocument  *document,
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
 	gboolean retval;
-
-	retval = iface->load (document, uri, error);
+	GError *err = NULL;
+
+	retval = iface->load (document, uri, &err);
+	if (!retval) {
+		if (err) {
+			g_propagate_error (error, err);
+		} else {
+			g_warning ("%s::EvDocumentIface::load returned FALSE but did not fill in @error; fix the backend!\n",
+				   G_OBJECT_TYPE_NAME (document));
+
+			/* So upper layers don't crash */
+			g_set_error_literal (error,
+					     EV_DOCUMENT_ERROR,
+					     EV_DOCUMENT_ERROR_INVALID,
+					     "Internal error in backend");
+		}
+	}
 
 	return retval;
 }
 
+/**
+ * ev_document_save:
+ * @document:
+ * @uri: the target URI
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Saves @document to @uri.
+ * 
+ * Returns: %TRUE on success, or %FALSE on error with @error filled in
+ */
 gboolean
 ev_document_save (EvDocument  *document,
 		  const char  *uri,
@@ -245,6 +259,39 @@ ev_document_render (EvDocument      *document,
 	return retval;
 }
 
+/* EvDocumentInfo */
+EV_DEFINE_BOXED_TYPE (EvDocumentInfo, ev_document_info, ev_document_info_copy, ev_document_info_free)
+
+EvDocumentInfo *
+ev_document_info_copy (EvDocumentInfo *info)
+{
+	EvDocumentInfo *copy;
+	
+	g_return_val_if_fail (info != NULL, NULL);
+
+	copy = g_new0 (EvDocumentInfo, 1);
+	copy->title = g_strdup (info->title);
+	copy->format = g_strdup (info->format);
+	copy->author = g_strdup (info->author);
+	copy->subject = g_strdup (info->subject);
+	copy->keywords = g_strdup (info->keywords);
+	copy->security = g_strdup (info->security);
+	copy->creator = g_strdup (info->creator);
+	copy->producer = g_strdup (info->producer);
+	copy->linearized = g_strdup (info->linearized);
+	
+	copy->creation_date = info->creation_date;
+	copy->modified_date = info->modified_date;
+	copy->layout = info->layout;
+	copy->mode = info->mode;
+	copy->ui_hints = info->ui_hints;
+	copy->permissions = info->permissions;
+	copy->n_pages = info->n_pages;
+	copy->fields_mask = info->fields_mask;
+
+	return copy;
+}
+
 void
 ev_document_info_free (EvDocumentInfo *info)
 {
@@ -264,6 +311,33 @@ ev_document_info_free (EvDocumentInfo *info)
 	g_free (info);
 }
 
+/* EvRectangle */
+EV_DEFINE_BOXED_TYPE (EvRectangle, ev_rectangle, ev_rectangle_copy, ev_rectangle_free)
+
+EvRectangle *
+ev_rectangle_new (void)
+{
+	return g_new0 (EvRectangle, 1);
+}
+
+EvRectangle *
+ev_rectangle_copy (EvRectangle *rectangle)
+{
+	EvRectangle *new_rectangle;
+
+	g_return_val_if_fail (rectangle != NULL, NULL);
+
+	new_rectangle = g_new (EvRectangle, 1);
+	*new_rectangle = *rectangle;
+
+	return new_rectangle;
+}
+
+void
+ev_rectangle_free (EvRectangle *rectangle)
+{
+	g_free (rectangle);
+}
 
 /* Compares two rects.  returns 0 if they're equal */
 #define EPSILON 0.0000001
@@ -282,6 +356,3 @@ ev_rect_cmp (EvRectangle *a,
 		  (ABS (a->x2 - b->x2) < EPSILON) &&
 		  (ABS (a->y2 - b->y2) < EPSILON));
 }
-
-
-