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=424778e5fc594ec7c6c8ce445bd7bf03c2a49baf;hp=f0075466bbfd84c783bbeb2d8b8db042cc4ea246;hpb=9c1e6ba4d99cb7f937b2b3998814a7486b88c4ce;p=evince.git diff --git a/backend/ev-document.c b/backend/ev-document.c index f0075466..1b2f7781 100644 --- a/backend/ev-document.c +++ b/backend/ev-document.c @@ -21,18 +21,16 @@ #include "config.h" #include "ev-document.h" + #include "ev-backend-marshalers.h" +#include "ev-job-queue.h" static void ev_document_class_init (gpointer g_class); -enum -{ - CHANGED, - LAST_SIGNAL -}; -static guint signals[LAST_SIGNAL] = { 0 }; +GMutex *ev_doc_mutex = NULL; +#define LOG(x) GType ev_document_get_type (void) { @@ -56,34 +54,77 @@ 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_class_init (gpointer g_class) { - signals[CHANGED] = - g_signal_new ("changed", - EV_TYPE_DOCUMENT, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvDocumentIface, changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, - 0); +} - g_object_interface_install_property (g_class, - g_param_spec_string ("title", - "Document Title", - "The title of the document", - NULL, - G_PARAM_READABLE)); +#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) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - return iface->load (document, uri, error); + 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 @@ -92,96 +133,110 @@ ev_document_save (EvDocument *document, GError **error) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - return iface->save (document, uri, error); -} - -char * -ev_document_get_title (EvDocument *document) -{ - char *title; + gboolean retval; - g_object_get (document, "title", &title, NULL); + LOG ("ev_document_save"); + retval = iface->save (document, uri, error); - return title; + 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; -void -ev_document_set_page (EvDocument *document, - int page) -{ - EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->set_page (document, page); -} + LOG ("ev_document_get_n_pages"); + retval = iface->get_n_pages (document); -int -ev_document_get_page (EvDocument *document) -{ - EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - return iface->get_page (document); + return retval; } void -ev_document_set_target (EvDocument *document, - GdkDrawable *target) +ev_document_get_page_size (EvDocument *document, + int page, + double *width, + double *height) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->set_target (document, target); + + LOG ("ev_document_get_page_size"); + iface->get_page_size (document, page, width, height); } -void -ev_document_set_scale (EvDocument *document, - double scale) +char * +ev_document_get_page_label(EvDocument *document, + int page) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->set_scale (document, scale); + + 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_offset (EvDocument *document, - int x, - int y) +gboolean +ev_document_can_get_text (EvDocument *document) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->set_page_offset (document, x, y); + + return iface->can_get_text (document); } -void -ev_document_get_page_size (EvDocument *document, - int *width, - int *height) +EvDocumentInfo * +ev_document_get_info (EvDocument *document) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->get_page_size (document, width, height); + + return iface->get_info (document); } char * -ev_document_get_text (EvDocument *document, - GdkRectangle *rect) +ev_document_get_text (EvDocument *document, + int page, + EvRectangle *rect) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - return iface->get_text (document, rect); + char *retval; + + LOG ("ev_document_get_text"); + retval = iface->get_text (document, page, rect); + + return retval; } -void -ev_document_render (EvDocument *document, - int clip_x, - int clip_y, - int clip_width, - int clip_height) +GList * +ev_document_get_links (EvDocument *document, + int page) { EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); - iface->render (document, clip_x, clip_y, clip_width, clip_height); + GList *retval; + + LOG ("ev_document_get_link"); + if (iface->get_links == NULL) + return NULL; + retval = iface->get_links (document, page); + + return retval; } -void -ev_document_changed (EvDocument *document) + + +GdkPixbuf * +ev_document_render_pixbuf (EvDocument *document, + int page, + double scale) { - g_signal_emit (G_OBJECT (document), signals[CHANGED], 0); -} + 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; +}