PageCache and EvJobs are moved from backend to shell. Two new jobs to

load document in background and a statusbar to display this process.
FileChooser now can select multiple uris.

1 files changed, 0 insertions, 466 deletions

diff --git a/backend/ev-page-cache.c b/backend/ev-page-cache.c
deleted file mode 100644
index 573e57e..0000000
--- a/backend/ev-page-cache.c
+++ /dev/null
@@ -1,466 +0,0 @@
-#include "ev-page-cache.h"
-#include "ev-job-queue.h"
-#include <stdlib.h>
-#include <string.h>
-
-typedef struct _EvPageCacheInfo
-{
-	double width;
-	double height;
-}
-EvPageCacheInfo;
-
-
-struct _EvPageCache
-{
-	GObject parent;
-
-	gint current_page;
-	int n_pages;
-	char *title;
-	char **page_labels;
-	
-	gint max_label_chars;
-	gboolean has_labels;
-	gboolean uniform;
-	
-	double uniform_width;
-	double uniform_height;
-
-	double  max_width;
-	double  max_height;
-	double* height_to_page;
-	double* dual_height_to_page;
-
-	EvPageCacheInfo *size_cache;
-	EvDocumentInfo *page_info;
-};
-
-struct _EvPageCacheClass
-{
-	GObjectClass parent_class;
-
-	void (* page_changed) (EvPageCache *page_cache, gint page);
-};
-
-enum
-{
-	PAGE_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;
-	page_cache->max_label_chars = 0;
-}
-
-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);
-
-}
-
-static void
-ev_page_cache_finalize (GObject *object)
-{
-	EvPageCache *page_cache;
-
-	page_cache = EV_PAGE_CACHE (object);
-
-	g_free (page_cache->title);
-	g_free (page_cache->size_cache);
-	g_free (page_cache->height_to_page);
-	g_free (page_cache->dual_height_to_page);
-
-	ev_document_info_free (page_cache->page_info);
-}
-
-EvPageCache *
-_ev_page_cache_new (EvDocument *document)
-{
-	EvPageCache *page_cache;
-	EvPageCacheInfo *info;
-	gint i;
-	double saved_height;
-
-	page_cache = (EvPageCache *) g_object_new (EV_TYPE_PAGE_CACHE, NULL);
-
-	ev_document_doc_mutex_lock ();
-
-	/* We read page information out of the document */
-
-	/* Assume all pages are the same size until proven otherwise */
-	page_cache->uniform = TRUE;
-	page_cache->has_labels = FALSE;
-	page_cache->n_pages = ev_document_get_n_pages (document);
-	page_cache->page_labels = g_new0 (char *, page_cache->n_pages);
-	page_cache->max_width = 0;
-	page_cache->max_height = 0;
-	page_cache->page_info = ev_document_get_info (document);
-
-	if (page_cache->page_info->fields_mask & EV_DOCUMENT_INFO_TITLE) {
-		page_cache->title = g_strdup (page_cache->page_info->title);
-	} else {
-		page_cache->title = NULL;
-	}
-
-	for (i = 0; i < page_cache->n_pages; i++) {
-		double page_width = 0;
-		double page_height = 0;
-		
-		ev_document_get_page_size (document, i, &page_width, &page_height);
-
-	    	page_cache->page_labels[i] = ev_document_get_page_label (document, i);
-		
-		if (page_cache->page_labels[i] != NULL) {
-		
-			page_cache->max_label_chars = MAX(page_cache->max_label_chars, 
-							    g_utf8_strlen (page_cache->page_labels[i], 256));
-			if (!page_cache->has_labels) {
-				gchar *expected_label;
-			
-				expected_label = g_strdup_printf ("%d", i + 1);
-				if (strcmp (expected_label, page_cache->page_labels[i]))  
-					page_cache->has_labels = TRUE;
-				g_free (expected_label);
-			}
-		}
-
-		if (page_width > page_cache->max_width) {
-			page_cache->max_width = page_width;
-		}
-
-		if (page_height > page_cache->max_height) {
-			page_cache->max_height = page_height;
-		}
-			
-		if (i == 0) {
-			page_cache->uniform_width = page_width;
-			page_cache->uniform_height = page_height;
-		} else if (page_cache->uniform &&
-			   (page_cache->uniform_width != page_width ||
-			    page_cache->uniform_height != page_height)) {
-			/* It's a different page size.  Backfill the array. */
-			int j;
-
-			page_cache->size_cache = g_new0 (EvPageCacheInfo, page_cache->n_pages);
-
-			for (j = 0; j < i; j++) {
-				info = &(page_cache->size_cache [j]);
-				info->width = page_cache->uniform_width;
-				info->height = page_cache->uniform_height;
-			}
-			page_cache->uniform = FALSE;
-
-		}
-
-		if (! page_cache->uniform) {
-			info = &(page_cache->size_cache [i]);
-
-			info->width = page_width;
-			info->height = page_height;
-		}
-	}
-
-	page_cache->height_to_page = g_new0(double, page_cache->n_pages);
-	page_cache->dual_height_to_page = g_new0(double, page_cache->n_pages / 2 + 1);
-	
-	saved_height = 0;
-	for (i = 0; i < page_cache->n_pages; i++) {
-
-		if (page_cache->uniform) {
-			page_cache->height_to_page [i] = (i + 1) * page_cache->uniform_height;
-		} else {
-			page_cache->height_to_page [i] = saved_height + page_cache->size_cache [i].height;
-			saved_height = page_cache->height_to_page [i];
-		}
-	}
-	
-	saved_height = 0;
-	for (i = 0; i < page_cache->n_pages; i += 2) {
-
-    		if (page_cache->uniform) {
-			page_cache->dual_height_to_page [i / 2] = (i / 2 + 1) * page_cache->uniform_height;
-		} else {
-			if (i == page_cache->n_pages - 1) {
-				page_cache->dual_height_to_page [i / 2] =
-					saved_height + page_cache->size_cache [i].height;
-			}
-			else {
-				page_cache->dual_height_to_page [i / 2] = saved_height +
-				       MAX(page_cache->size_cache [i].height,			    	    
-				    	   page_cache->size_cache [i + 1].height);
-				saved_height = page_cache->dual_height_to_page [i / 2];
-			}
-		}
-	}
-
-	/* make some sanity check assertions */
-	if (! page_cache->uniform)
-		g_assert (page_cache->size_cache != NULL);
-	if (page_cache->uniform)
-		g_assert (page_cache->uniform_width > 0 && page_cache->uniform_height > 0);
-
-	ev_document_doc_mutex_unlock ();
-
-	if (page_cache->n_pages > 0)
-		ev_page_cache_set_current_page (page_cache, 0);
-
-	return page_cache;
-}
-
-gint
-ev_page_cache_get_n_pages (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0);
-
-	return page_cache->n_pages;
-}
-
-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));
-	g_return_if_fail (page >= 0 || page < page_cache->n_pages);
-
-	if (page == page_cache->current_page)
-		return;
-
-	page_cache->current_page = page;
-	g_signal_emit (page_cache, signals[PAGE_CHANGED], 0, page);
-}
-
-gboolean
-ev_page_cache_set_page_label (EvPageCache *page_cache,
-			      const char  *page_label)
-{
-	gint i, page;
-	long value;
-	char *endptr = NULL;
-	
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE);
-	g_return_val_if_fail (page_label != NULL, FALSE);
-
-	/* First, look for a literal label match */
-	for (i = 0; i < page_cache->n_pages; i ++) {
-		if (page_cache->page_labels[i] != NULL &&
-		    ! strcmp (page_label, page_cache->page_labels[i])) {
-			ev_page_cache_set_current_page (page_cache, i);
-			return TRUE;
-		}
-	}
-
-	/* Next, parse the label, and see if the number fits */
-	value = strtol (page_label, &endptr, 10);
-	if (endptr[0] == '\0') {
-		/* Page number is an integer */
-		page = MIN (G_MAXINT, value);
-
-		/* convert from a page label to a page offset */
-		page --;
-		if (page >= 0 &&
-		    page < page_cache->n_pages &&
-		    page_cache->page_labels[page] == NULL) {
-			ev_page_cache_set_current_page (page_cache, page);
-			return TRUE;
-		}
-	}
-
-	return FALSE;
-}
-
-void
-ev_page_cache_set_link (EvPageCache *page_cache,
-			EvLink      *link)
-{
-	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-	g_return_if_fail (EV_IS_LINK (link));
-
-	ev_page_cache_set_current_page (page_cache, ev_link_get_page (link));
-}
-
-const char *
-ev_page_cache_get_title (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL);
-
-	return page_cache->title;
-}
-
-void
-ev_page_cache_get_size (EvPageCache *page_cache,
-			gint         page,
-			gfloat       scale,
-			gint        *width,
-			gint        *height)
-{
-	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-	g_return_if_fail (page >= 0 && page < page_cache->n_pages);
-
-	if (page_cache->uniform) {
-		if (width)
-			*width = page_cache->uniform_width;
-		if (height)
-			*height = page_cache->uniform_height;
-	} else {
-		EvPageCacheInfo *info;
-
-		info = &(page_cache->size_cache [page]);
-		
-		if (width)
-			*width = info->width;
-		if (height)
-			*height = info->height;
-	}
-
-	if (width)
-		*width = (int) ((*width) * scale + 0.5);
-	if (width)
-		*height = (int) ((*height) * scale + 0.5);
-
-}
-
-
-void
-ev_page_cache_get_max_width      (EvPageCache *page_cache,
-				  gfloat       scale,
-				  gint        *width)
-{
-	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-
-	if (width)
-		*width = page_cache->max_width * scale;
-}
-
-void
-ev_page_cache_get_max_height      (EvPageCache *page_cache,
-				   gfloat       scale,
-				   gint        *height)
-{
-	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-
-	if (height)
-		*height = page_cache->max_height * scale;
-}
-
-void    
-ev_page_cache_get_height_to_page (EvPageCache *page_cache,
-				  gint page,
-				  gfloat       scale,
-				  gint        *height,
-				  gint 	      *dual_height)
-{
-	double result = 0.0;
-	double dual_result = 0.0;
-	
-	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-
-	if (page > 0)
-		result = page_cache->height_to_page [page - 1];	
-	
-	if (height)
-		*height = result * scale;
-
-	if (page > 1)
-		dual_result = page_cache->dual_height_to_page [page / 2 - 1];	
-	
-	if (dual_height)
-		*dual_height = dual_result * scale;
-}
-
-gint
-ev_page_cache_get_max_label_chars (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0);
-	
-	return page_cache->max_label_chars;
-}
-
-gchar *
-ev_page_cache_get_page_label (EvPageCache *page_cache,
-			      gint         page)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL);
-	g_return_val_if_fail (page >= 0 && page < page_cache->n_pages, NULL);
-
-	if (page_cache->page_labels[page] == NULL)
-		return g_strdup_printf ("%d", page + 1);
-
-	return g_strdup (page_cache->page_labels[page]);
-}
-
-gboolean
-ev_page_cache_has_nonnumeric_page_labels (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE);
-	return page_cache->has_labels;
-}
-
-const EvDocumentInfo *
-ev_page_cache_get_info (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL);
-
-	return page_cache->page_info;
-}
-
-
-gboolean
-ev_page_cache_next_page (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE);
-
-	if (page_cache->current_page >= page_cache->n_pages - 1)
-		return FALSE;
-
-	ev_page_cache_set_current_page (page_cache, page_cache->current_page + 1);
-	return TRUE;
-
-}
-
-gboolean
-ev_page_cache_prev_page (EvPageCache *page_cache)
-{
-	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE);
-
-	if (page_cache->current_page <= 0)
-		return FALSE;
-
-	ev_page_cache_set_current_page (page_cache, page_cache->current_page - 1);
-	return TRUE;
-}
-