X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fev-document-factory.c;h=f8a3a4b8f7584496e144f464fa228c8c90d72d6e;hb=bcae23ea9af280bf62c7005b22487b132a8fe4ab;hp=7fed2b9a6b2ca5b88cbc95807c1757da7d331541;hpb=30582eef6d8c325d026e7db0301921ddba21dfec;p=evince.git diff --git a/backend/ev-document-factory.c b/backend/ev-document-factory.c index 7fed2b9a..f8a3a4b8 100644 --- a/backend/ev-document-factory.c +++ b/backend/ev-document-factory.c @@ -28,7 +28,9 @@ #include "ev-poppler.h" #include "pixbuf-document.h" #include "tiff-document.h" +#ifdef ENABLE_PS #include "ps-document.h" +#endif #ifdef ENABLE_DVI #include "dvi-document.h" #endif @@ -40,6 +42,11 @@ #endif #include +#include +#include +#include +#include +#include typedef struct _EvDocumentType EvDocumentType; struct _EvDocumentType @@ -53,10 +60,12 @@ const EvDocumentType document_types[] = { /* PDF: */ {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type}, +#ifdef ENABLE_PS /* Postscript: */ {"application/postscript", EV_BACKEND_PS, ps_document_get_type}, {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type}, {"image/x-eps", EV_BACKEND_PS, ps_document_get_type}, +#endif #ifdef ENABLE_TIFF /* Tiff: */ @@ -73,25 +82,25 @@ const EvDocumentType document_types[] = { {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type}, #endif -#ifdef ENABLE_DVI +#ifdef ENABLE_COMICS /* cbr/cbz: */ - {"application/cbr", EV_BACKEND_COMICS, comics_document_get_type}, - {"application/cbz", EV_BACKEND_COMICS, comics_document_get_type}, + {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type}, + {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type}, #endif }; #ifdef ENABLE_PIXBUF -/* Would be nice to have this in gdk-pixbuf */ -static gboolean -mime_type_supported_by_gdk_pixbuf (const gchar *mime_type) + +static GList* +gdk_pixbuf_mime_type_list () { GSList *formats, *list; - gboolean retval = FALSE; + GList *result; formats = gdk_pixbuf_get_formats (); + result = NULL; - list = formats; - while (list) { + for (list = formats; list != NULL; list = list->next) { GdkPixbufFormat *format = list->data; int i; gchar **mime_types; @@ -102,58 +111,63 @@ mime_type_supported_by_gdk_pixbuf (const gchar *mime_type) mime_types = gdk_pixbuf_format_get_mime_types (format); for (i = 0; mime_types[i] != NULL; i++) { - if (strcmp (mime_types[i], mime_type) == 0) { - retval = TRUE; - break; - } + result = g_list_append (result, mime_types[i]); } + } + g_slist_free (formats); - if (retval) - break; + return result; +} - list = list->next; +/* Would be nice to have this in gdk-pixbuf */ +static gboolean +mime_type_supported_by_gdk_pixbuf (const gchar *mime_type) +{ + GList *mime_types; + GList *list; + gboolean retval = FALSE; + + mime_types = gdk_pixbuf_mime_type_list (); + for (list = mime_types; list; list = list->next) { + if (strcmp ((char *)list->data, mime_type) == 0) { + retval = TRUE; + break; + } } - - g_slist_free (formats); + + g_list_foreach (mime_types, (GFunc)g_free, NULL); + g_list_free (mime_types); return retval; } #endif -static GType -ev_document_type_get_from_mime (const char *mime_type) +static EvDocument* +ev_document_factory_get_from_mime (const char *mime_type) { int i; + GType type = G_TYPE_INVALID; + EvDocument *document = NULL; g_return_val_if_fail (mime_type, G_TYPE_INVALID); for (i = 0; i < G_N_ELEMENTS (document_types); i++) { if (strcmp (mime_type, document_types[i].mime_type) == 0) { g_assert (document_types[i].document_type_factory_callback != NULL); - return document_types[i].document_type_factory_callback(); + type = document_types[i].document_type_factory_callback(); + break; } } #ifdef ENABLE_PIXBUF - if (mime_type_supported_by_gdk_pixbuf (mime_type)) { - return pixbuf_document_get_type (); + if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) { + type = pixbuf_document_get_type (); } #endif - - return G_TYPE_INVALID; -} - -EvDocument * -ev_document_factory_get_document (const char *mime_type) -{ - GType type = G_TYPE_INVALID; - - type = ev_document_type_get_from_mime (mime_type); - if (type != G_TYPE_INVALID) { - return g_object_new (type, NULL); - } - - return NULL; + document = g_object_new (type, NULL); + } + + return document; } EvBackend @@ -168,17 +182,27 @@ ev_document_factory_get_backend (EvDocument *document) } } +#ifdef ENABLE_PIXBUF + if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ()) + return EV_BACKEND_PIXBUF; +#endif g_assert_not_reached (); return 0; } -GList * +static GList * ev_document_factory_get_mime_types (EvBackend backend) { GList *types = NULL; int i; +#ifdef ENABLE_PIXBUF + if (backend == EV_BACKEND_PIXBUF) { + return gdk_pixbuf_mime_type_list (); + } +#endif + for (i = 0; i < G_N_ELEMENTS (document_types); i++) { if (document_types[i].backend == backend) { types = g_list_append (types, g_strdup (document_types[i].mime_type)); @@ -188,7 +212,7 @@ ev_document_factory_get_mime_types (EvBackend backend) return types; } -GList * +static GList * ev_document_factory_get_all_mime_types (void) { GList *types = NULL; @@ -197,6 +221,185 @@ ev_document_factory_get_all_mime_types (void) for (i = 0; i < G_N_ELEMENTS (document_types); i++) { types = g_list_append (types, g_strdup (document_types[i].mime_type)); } + +#ifdef ENABLE_PIXBUF + types = g_list_concat (types, gdk_pixbuf_mime_type_list ()); +#endif return types; } + +static EvDocument * +get_document_from_uri (const char *uri, gboolean slow, GError **error) +{ + EvDocument *document = NULL; + + GnomeVFSFileInfo *info; + GnomeVFSResult result; + + info = gnome_vfs_file_info_new (); + result = gnome_vfs_get_file_info (uri, info, + GNOME_VFS_FILE_INFO_GET_MIME_TYPE | + GNOME_VFS_FILE_INFO_FOLLOW_LINKS | + (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0)); + if (result != GNOME_VFS_OK) { + g_set_error (error, + EV_DOCUMENT_ERROR, + 0, + gnome_vfs_result_to_string (result)); + gnome_vfs_file_info_unref (info); + return NULL; + } + + if (info->mime_type == NULL) { + g_set_error (error, + EV_DOCUMENT_ERROR, + 0, + _("Unknown MIME Type")); + gnome_vfs_file_info_unref (info); + return NULL; + } + + document = ev_document_factory_get_from_mime (info->mime_type); + + if (document == NULL) { + g_set_error (error, + EV_DOCUMENT_ERROR, + 0, + _("Unhandled MIME type: '%s'"), info->mime_type); + gnome_vfs_file_info_unref (info); + return NULL; + } + + gnome_vfs_file_info_unref (info); + + return document; +} + +EvDocument * +ev_document_factory_get_document (const char *uri, GError **error) +{ + EvDocument *document; + + document = get_document_from_uri (uri, FALSE, error); + + if (*error == NULL) { + ev_document_load (document, uri, error); + } + + if (*error) { + g_error_free (*error); + *error = NULL; + } else { + return document; + } + + document = get_document_from_uri (uri, TRUE, error); + + if (*error != NULL) { + return NULL; + } + + ev_document_load (document, uri, error); + + return document; +} + +static void +file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types) +{ + GList *l; + + for (l = mime_types; l != NULL; l = l->next) { + gtk_file_filter_add_mime_type (filter, l->data); + } + + g_list_foreach (mime_types, (GFunc)g_free, NULL); + g_list_free (mime_types); +} + +void +ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document) +{ + EvBackend backend = 0; + GList *mime_types; + GtkFileFilter *filter; + GtkFileFilter *default_filter; + GtkFileFilter *document_filter; + + if (document != NULL) { + backend = ev_document_factory_get_backend (document); + } + + default_filter = document_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("All Documents")); + mime_types = ev_document_factory_get_all_mime_types (); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + +#ifdef ENABLE_PS + if (document == NULL || backend == EV_BACKEND_PS) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("PostScript Documents")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } +#endif + + if (document == NULL || backend == EV_BACKEND_PDF) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("PDF Documents")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } + +#ifdef ENABLE_PIXBUF + if (document == NULL || backend == EV_BACKEND_PIXBUF) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("Images")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } +#endif + +#ifdef ENABLE_DVI + if (document == NULL || backend == EV_BACKEND_DVI) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("DVI Documents")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } +#endif + +#ifdef ENABLE_DJVU + if (document == NULL || backend == EV_BACKEND_DJVU) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("Djvu Documents")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } +#endif + +#ifdef ENABLE_COMICS + if (document == NULL || backend == EV_BACKEND_COMICS) { + default_filter = filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("Comic Books")); + mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS); + file_filter_add_mime_list_and_free (filter, mime_types); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + } +#endif + + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("All Files")); + gtk_file_filter_add_pattern (filter, "*"); + gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); + + gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), + document == NULL ? document_filter : default_filter); +}