X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fev-document.c;h=1b2f778181a070bc4d346b7dfde4fd0165fa05ac;hb=2de7c9f04ca0fb4e471c7e0be6a9b332d7df2cd1;hp=b2a5c8d94bca9cbc69f8160db7241bccdf7782ba;hpb=6b84b9665845a99b0c144ad209421a940b79fe7c;p=evince.git

diff --git a/backend/ev-document.c b/backend/ev-document.c
index b2a5c8d9..1b2f7781 100644
--- a/backend/ev-document.c
+++ b/backend/ev-document.c
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
 /*
  *  Copyright (C) 2004 Marco Pesenti Gritti
  *
@@ -21,8 +22,15 @@
 
 #include "ev-document.h"
 
-static void ev_document_base_init (gpointer g_class);
+#include "ev-backend-marshalers.h"
+#include "ev-job-queue.h"
 
+static void ev_document_class_init (gpointer g_class);
+
+
+GMutex *ev_doc_mutex = NULL;
+
+#define LOG(x) 
 GType
 ev_document_get_type (void)
 {
@@ -33,8 +41,9 @@ ev_document_get_type (void)
 		static const GTypeInfo our_info =
 		{
 			sizeof (EvDocumentIface),
-			ev_document_base_init,
 			NULL,
+			NULL,
+			(GClassInitFunc)ev_document_class_init
 		};
 
 		type = g_type_register_static (G_TYPE_INTERFACE,
@@ -45,61 +54,189 @@ ev_document_get_type (void)
 	return type;
 }
 
+GQuark
+ev_document_error_quark (void)
+{
+  static GQuark q = 0;
+  if (q == 0)
+    q = g_quark_from_static_string ("ev-document-error-quark");
+
+  return q;
+}
+
 static void
-ev_document_base_init (gpointer g_class)
+ev_document_class_init (gpointer g_class)
+{
+}
+
+#define PAGE_CACHE_STRING "ev-page-cache"
+
+EvPageCache *
+ev_document_get_page_cache (EvDocument *document)
 {
+	EvPageCache *page_cache;
+
+	g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL);
+
+	page_cache = g_object_get_data (G_OBJECT (document), PAGE_CACHE_STRING);
+	if (page_cache == NULL) {
+		page_cache = _ev_page_cache_new (document);
+		g_object_set_data_full (G_OBJECT (document), PAGE_CACHE_STRING, page_cache, g_object_unref);
+	}
+
+	return page_cache;
+}
+
+GMutex *
+ev_document_get_doc_mutex (void)
+{
+	if (ev_doc_mutex == NULL) {
+		ev_doc_mutex = g_mutex_new ();
+	}
+	return ev_doc_mutex;
 }
 
 void
+ev_document_doc_mutex_lock (void)
+{
+	g_mutex_lock (ev_document_get_doc_mutex ());
+}
+
+void
+ev_document_doc_mutex_unlock (void)
+{
+	g_mutex_unlock (ev_document_get_doc_mutex ());
+}
+
+
+
+gboolean
 ev_document_load (EvDocument  *document,
 		  const char  *uri,
-		  GError      *error)
+		  GError     **error)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	iface->load (document, uri);
+	gboolean retval;
+	LOG ("ev_document_load");
+	retval = iface->load (document, uri, error);
+
+	/* Call this to make the initial cached copy */
+	if (retval)
+		ev_document_get_page_cache (document);
+
+	return retval;
+}
+
+gboolean
+ev_document_save (EvDocument  *document,
+		  const char  *uri,
+		  GError     **error)
+{
+	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
+	gboolean retval;
+
+	LOG ("ev_document_save");
+	retval = iface->save (document, uri, error);
+
+	return retval;
 }
 
 int
 ev_document_get_n_pages (EvDocument  *document)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	return iface->get_n_pages (document);
+	gint retval;
+
+	LOG ("ev_document_get_n_pages");
+	retval = iface->get_n_pages (document);
+
+	return retval;
 }
 
 void
-ev_document_set_page (EvDocument  *document,
-		      int          page)
+ev_document_get_page_size   (EvDocument   *document,
+			     int           page,
+			     double       *width,
+			     double       *height)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	iface->set_page (document, page);
+
+	LOG ("ev_document_get_page_size");
+	iface->get_page_size (document, page, width, height);
 }
 
-void
-ev_document_set_target (EvDocument  *document,
-			GdkDrawable *target)
+char *
+ev_document_get_page_label(EvDocument    *document,
+			   int             page)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	iface->set_target (document, target);
+
+	LOG ("ev_document_get_page_label");
+	if (iface->get_page_label == NULL)
+		return NULL;
+
+	return iface->get_page_label (document, page);
 }
 
-void
-ev_document_set_page_rect (EvDocument  *document,
-			   int          x,
-			   int          y,
-			   int          width,
-			   int          height)
+gboolean
+ev_document_can_get_text (EvDocument  *document)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	iface->set_page_rect (document, x, y, width, height);
+
+	return iface->can_get_text (document);
 }
 
-void
-ev_document_render (EvDocument  *document,
-		    int          clip_x,
-		    int          clip_y,
-		    int          clip_width,
-		    int          clip_height)
+EvDocumentInfo *
+ev_document_get_info (EvDocument *document)
+{
+	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
+
+	return iface->get_info (document);
+}
+
+char *
+ev_document_get_text (EvDocument  *document,
+		      int          page,
+		      EvRectangle *rect)
 {
 	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
-	iface->render (document, clip_x, clip_y, clip_width, clip_height);
+	char *retval;
+
+	LOG ("ev_document_get_text");
+	retval = iface->get_text (document, page, rect);
+
+	return retval;
+}
+
+GList *
+ev_document_get_links (EvDocument *document,
+		       int         page)
+{
+	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
+	GList *retval;
+
+	LOG ("ev_document_get_link");
+	if (iface->get_links == NULL)
+		return NULL;
+	retval = iface->get_links (document, page);
+
+	return retval;
+}
+
+
+
+GdkPixbuf *
+ev_document_render_pixbuf (EvDocument *document,
+			   int         page,
+			   double      scale)
+{
+	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
+	GdkPixbuf *retval;
+
+	LOG ("ev_document_render_pixbuf");
+	g_assert (iface->render_pixbuf);
+
+	retval = iface->render_pixbuf (document, page, scale);
+
+	return retval;
 }