Inverted colors(night) viewing mode for ePub

Added the capability to view and epub document with inverted colors, yet to test for documents where we write the stylesheet, although the code is there.

2 files changed, 24 insertions, 39 deletions

diff --git a/libview/ev-document-model.c b/libview/ev-document-model.c
index dbf0477f..403df466 100644
--- a/libview/ev-document-model.c
+++ b/libview/ev-document-model.c
@@ -109,12 +109,7 @@ ev_document_model_set_property (GObject      *object,
 		ev_document_model_set_rotation (model, g_value_get_int (value));
 		break;
 	case PROP_INVERTED_COLORS:
-		if ( model->document->iswebdocument == TRUE ) {
-			atril_web_document_set_inverted_colors(model,g_value_get_boolean(value));
-		} 
-		else {
-			ev_document_model_set_inverted_colors (model, g_value_get_boolean (value));
-		}		
+		ev_document_model_set_inverted_colors (model, g_value_get_boolean (value));
 		break;
 	case PROP_SCALE:
 		ev_document_model_set_scale (model, g_value_get_double (value));
@@ -495,15 +490,6 @@ ev_document_model_set_inverted_colors (EvDocumentModel *model,
 	g_object_notify (G_OBJECT (model), "inverted-colors");
 }
 
-void 
-atril_web_document_set_inverted_colors (EvDocumentModel *model,
-                                     gboolean inverted_colors)
-{
-	//TODO
-	model->inverted_colors = FALSE;
-	g_object_notify (G_OBJECT (model), "inverted-colors");
-}
-
 gboolean
 ev_document_model_get_inverted_colors (EvDocumentModel *model)
 {
diff --git a/libview/ev-web-view.c b/libview/ev-web-view.c
index b1fe3b08..5d1f5034 100644
--- a/libview/ev-web-view.c
+++ b/libview/ev-web-view.c
@@ -58,7 +58,7 @@ struct _EvWebView
 	EvDocument *document;
 	EvDocumentModel *model;
 	gint current_page;
-	gboolean inverted_colors ;
+	gboolean inverted_stylesheet ;
 	gboolean fullscreen;
 	SearchParams *search;
 #if GTK_CHECK_VERSION (3, 0, 0)
@@ -157,7 +157,7 @@ ev_web_view_init (EvWebView *webview)
 	webview->search->search_jump = TRUE ;
 	
 	webview->fullscreen = FALSE;
-
+	webview->inverted_stylesheet = FALSE;
 	webview->hlink = NULL;
 }
 
@@ -262,29 +262,28 @@ ev_web_view_inverted_colors_changed_cb (EvDocumentModel *model,
 				        GParamSpec      *pspec,
 				        EvWebView       *webview)
 {
-	guint inverted_colors = ev_document_model_get_inverted_colors (model);
-	inverted_colors = !inverted_colors;
-	/*TODO*/
+	EvDocument *document = ev_document_model_get_document(model);
+	
+	if (ev_document_model_get_inverted_colors(model) == TRUE) {
+		if (document == NULL) {
+			ev_document_model_set_inverted_colors(model,FALSE);
+			return;
+		}		
+		if (webview->inverted_stylesheet == FALSE) {
+			ev_document_check_add_night_sheet(document);
+			webview->inverted_stylesheet = TRUE;
+		}
+		ev_document_toggle_night_mode(document,TRUE);
+		webkit_web_view_reload(WEBKIT_WEB_VIEW(webview));
+	}
+	else {
+		if (document != NULL) {
+			ev_document_toggle_night_mode(document,FALSE);
+			webkit_web_view_reload(WEBKIT_WEB_VIEW(webview));
+		}
+	}
 }
 
-static void
-ev_web_view_fullscreen_changed_cb (EvDocumentModel *model,
-			           GParamSpec      *pspec,
-			           EvWebView       *webview)
-{
-	gboolean fullscreen = ev_document_model_get_fullscreen (model);
-
-	webview->fullscreen = fullscreen;
-#if GTK_CHECK_VERSION (3, 0, 0)
-	WebKitWindowProperties *window_properties = 
-		webkit_web_view_get_window_properties (WEBKIT_WEB_VIEW(webview));
-
-	webkit_window_properties_get_fullscreen(window_properties);
-	/*TODO*/
-#else
-	webkit_web_view_set_view_mode(WEBKIT_WEB_VIEW(webview), WEBKIT_WEB_VIEW_VIEW_MODE_FULLSCREEN);
-#endif
-}
 void
 ev_web_view_set_model (EvWebView          *webview,
 		       EvDocumentModel    *model)
@@ -309,7 +308,7 @@ ev_web_view_set_model (EvWebView          *webview,
 	/* Initialize webview from model */
 	webview->fullscreen = ev_document_model_get_fullscreen (webview->model);
 	webview->document = ev_document_model_get_document(webview->model);
-	webview->inverted_colors = ev_document_model_get_inverted_colors(webview->model);
+
 	ev_web_view_document_changed_cb (webview->model, NULL, webview);
 
 	g_signal_connect (webview->model, "notify::document",