diff options
Diffstat (limited to 'libview/ev-page-cache.c')
| -rw-r--r-- | libview/ev-page-cache.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/libview/ev-page-cache.c b/libview/ev-page-cache.c deleted file mode 100644 index 8fba8c6..0000000 --- a/libview/ev-page-cache.c +++ /dev/null @@ -1,168 +0,0 @@ -#include <config.h> -#include "ev-page-cache.h" -#include "ev-document-thumbnails.h" -#include "ev-page.h" -#include <stdlib.h> -#include <string.h> - -struct _EvPageCache -{ - GObject parent; - - EvDocument *document; - - gint current_page; - - gboolean dual_even_left; - - int rotation; -}; - -struct _EvPageCacheClass -{ - GObjectClass parent_class; - - void (* page_changed) (EvPageCache *page_cache, gint page); - void (* history_changed) (EvPageCache *page_cache, gint page); -}; - -enum -{ - PAGE_CHANGED, - HISTORY_CHANGED, - N_SIGNALS, -}; - -static guint signals[N_SIGNALS] = {0, }; - -static void ev_page_cache_init (EvPageCache *page_cache); -static void ev_page_cache_class_init (EvPageCacheClass *page_cache); -static void ev_page_cache_finalize (GObject *object); - -G_DEFINE_TYPE (EvPageCache, ev_page_cache, G_TYPE_OBJECT) - -static void -ev_page_cache_init (EvPageCache *page_cache) -{ - page_cache->current_page = -1; -} - -static void -ev_page_cache_class_init (EvPageCacheClass *class) -{ - GObjectClass *object_class; - - object_class = G_OBJECT_CLASS (class); - - object_class->finalize = ev_page_cache_finalize; - - signals [PAGE_CHANGED] = - g_signal_new ("page-changed", - EV_TYPE_PAGE_CACHE, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvPageCacheClass, page_changed), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, 1, - G_TYPE_INT); - - signals [HISTORY_CHANGED] = - g_signal_new ("history-changed", - EV_TYPE_PAGE_CACHE, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvPageCacheClass, history_changed), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, 1, - G_TYPE_INT); - -} - -static void -ev_page_cache_finalize (GObject *object) -{ - EvPageCache *page_cache = EV_PAGE_CACHE (object); - - page_cache->document = NULL; - - G_OBJECT_CLASS (ev_page_cache_parent_class)->finalize (object); -} - -static EvPageCache * -ev_page_cache_new (EvDocument *document) -{ - EvPageCache *page_cache; - - page_cache = (EvPageCache *) g_object_new (EV_TYPE_PAGE_CACHE, NULL); - page_cache->document = document; - - if (ev_document_get_n_pages (page_cache->document) > 0) - ev_page_cache_set_current_page (page_cache, 0); - - return page_cache; -} - -gint -ev_page_cache_get_current_page (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0); - - return page_cache->current_page; -} - -void -ev_page_cache_set_current_page (EvPageCache *page_cache, - int page) -{ - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - - if (page == page_cache->current_page) - return; - - page_cache->current_page = page; - g_signal_emit (page_cache, signals[PAGE_CHANGED], 0, page); -} - -void -ev_page_cache_set_current_page_history (EvPageCache *page_cache, - int page) -{ - if (abs (page - page_cache->current_page) > 1) - g_signal_emit (page_cache, signals [HISTORY_CHANGED], 0, page); - - ev_page_cache_set_current_page (page_cache, page); -} - -gboolean -ev_page_cache_set_page_label (EvPageCache *page_cache, - const gchar *page_label) -{ - gint page; - - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE); - - if (ev_document_find_page_by_label (page_cache->document, page_label, &page)) { - ev_page_cache_set_current_page (page_cache, page); - return TRUE; - } - - return FALSE; -} - -#define PAGE_CACHE_STRING "ev-page-cache" - -EvPageCache * -ev_page_cache_get (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; -} |