Merge pull request #84 from rootAvish/epub

Epub support in Atril

1 files changed, 69 insertions, 15 deletions

diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c
index 19d51d9b..667f89f1 100644
--- a/libdocument/ev-document.c
+++ b/libdocument/ev-document.c
@@ -26,6 +26,7 @@
 
 #include "ev-document.h"
 #include "synctex_parser.h"
+#include "ev-file-helpers.h"
 
 #define EV_DOCUMENT_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_DOCUMENT, EvDocumentPrivate))
 
@@ -141,6 +142,8 @@ ev_document_init (EvDocument *document)
 
 	/* Assume all pages are the same size until proven otherwise */
 	document->priv->uniform = TRUE;
+	/* Assume that the document is not a web document*/
+	document->iswebdocument = FALSE ;
 }
 
 static void
@@ -237,6 +240,14 @@ ev_document_load (EvDocument  *document,
 	gboolean retval;
 	GError *err = NULL;
 
+	/*
+	 * Hardcoding a check for ePub documents, cause it needs a web document DOM
+	 * and webkit, support for any other web document types can be added similarly.
+	 */
+
+	if ( !g_strcmp0 (ev_file_get_mime_type(uri,TRUE,&err),"application/epub+zip") )
+		document->iswebdocument=TRUE ;
+		
 	retval = klass->load (document, uri, &err);
 	if (!retval) {
 		if (err) {
@@ -258,18 +269,34 @@ ev_document_load (EvDocument  *document,
 		/* Cache some info about the document to avoid
 		 * going to the backends since it requires locks
 		 */
+
 		priv->uri = g_strdup (uri);
-		priv->n_pages = _ev_document_get_n_pages (document);
 
+		priv->n_pages = _ev_document_get_n_pages (document);
+		
 		for (i = 0; i < priv->n_pages; i++) {
+
+			/*
+			 * Since there is no sense of paging in an ePub,it makes no sense to have pages sizes.
+			 * We are however geeneralising the scenario by considering epub as a type of web document.
+			 * FIXME: Labels, or bookmarks though, can be done.
+			 */
+			
 			EvPage     *page = ev_document_get_page (document, i);
 			gdouble     page_width = 0;
 			gdouble     page_height = 0;
 			EvPageSize *page_size;
 			gchar      *page_label;
-
-			_ev_document_get_page_size (document, page, &page_width, &page_height);
-
+			
+			if ( document->iswebdocument == FALSE ) {
+				_ev_document_get_page_size (document, page, &page_width, &page_height);
+			}
+			else {
+				//Fixed page sized to resolve the X-windowing system error.
+				page_width = 800;
+				page_height= 600;
+			}
+			
 			if (i == 0) {
 				priv->uniform_width = page_width;
 				priv->uniform_height = page_height;
@@ -277,14 +304,21 @@ ev_document_load (EvDocument  *document,
 				priv->max_height = priv->uniform_height;
 				priv->min_width = priv->uniform_width;
 				priv->min_height = priv->uniform_height;
+				if (document->iswebdocument == TRUE ) {
+					priv->page_sizes = g_new0 (EvPageSize, 1);
+					priv->page_sizes->width = priv->uniform_width;
+					priv->page_sizes->height = priv->uniform_height;
+					priv->uniform = TRUE ;
+					break;
+				}
 			} else if (priv->uniform &&
 				   (priv->uniform_width != page_width ||
 				    priv->uniform_height != page_height)) {
 				/* It's a different page size.  Backfill the array. */
 				int j;
-
+				
 				priv->page_sizes = g_new0 (EvPageSize, priv->n_pages);
-
+				
 				for (j = 0; j < i; j++) {
 					page_size = &(priv->page_sizes[j]);
 					page_size->width = priv->uniform_width;
@@ -511,15 +545,21 @@ ev_document_get_page_size (EvDocument *document,
 {
 	g_return_if_fail (EV_IS_DOCUMENT (document));
 	g_return_if_fail (page_index >= 0 || page_index < document->priv->n_pages);
-
-	if (width)
-		*width = document->priv->uniform ?
-			document->priv->uniform_width :
-			document->priv->page_sizes[page_index].width;
-	if (height)
-		*height = document->priv->uniform ?
-			document->priv->uniform_height :
-			document->priv->page_sizes[page_index].height;
+	if (document->iswebdocument == TRUE ) {
+		if (width)
+			*width = document->priv->uniform_width;
+		if (height)
+			*height = document->priv->uniform_height;
+	} else {
+		if (width)
+			*width = document->priv->uniform ?
+				document->priv->uniform_width :
+				document->priv->page_sizes[page_index].width;
+		if (height)
+			*height = document->priv->uniform ?
+				document->priv->uniform_height :
+				document->priv->page_sizes[page_index].height;
+	}
 }
 
 static gchar *
@@ -870,3 +910,17 @@ ev_rect_cmp (EvRectangle *a,
 		  (ABS (a->x2 - b->x2) < EPSILON) &&
 		  (ABS (a->y2 - b->y2) < EPSILON));
 }
+
+void
+ev_document_toggle_night_mode(EvDocument *document,gboolean night)
+{
+	EvDocumentClass *klass = EV_DOCUMENT_GET_CLASS(document);
+	return klass->toggle_night_mode(document,night) ;
+}
+
+void
+ev_document_check_add_night_sheet(EvDocument *document)
+{
+	EvDocumentClass *klass = EV_DOCUMENT_GET_CLASS(document);
+	return klass->check_add_night_sheet(document) ;
+}
\ No newline at end of file