Add types to handle signatures

zathura/page-widget.c

@@ -528,18 +528,18 @@ zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
 {
   ZathuraPage*        page    = ZATHURA_PAGE(widget);
   ZathuraPagePrivate* priv    = zathura_page_widget_get_instance_private(page);
+  zathura_t*          zathura = priv->zathura;
 
   zathura_document_t* document   = zathura_page_get_document(priv->page);
   const unsigned int page_height = gtk_widget_get_allocated_height(widget);
   const unsigned int page_width  = gtk_widget_get_allocated_width(widget);
 
   bool smooth_reload = true;
-  girara_setting_get(priv->zathura->ui.session, "smooth-reload", &smooth_reload);
+  girara_setting_get(zathura->ui.session, "smooth-reload", &smooth_reload);
 
   bool surface_exists = priv->surface != NULL || priv->thumbnail != NULL;
 
-  if (priv->zathura->predecessor_document != NULL && priv->zathura->predecessor_pages != NULL
-		  && smooth_reload && !surface_exists) {
+  if (zathura->predecessor_document != NULL && zathura->predecessor_pages != NULL && smooth_reload && !surface_exists) {
     unsigned int page_index = zathura_page_get_index(priv->page);
 
     if (page_index < zathura_document_get_number_of_pages(priv->zathura->predecessor_document)) {
@@ -607,10 +607,10 @@ zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
     }
 
     /* draw links */
-    set_font_from_property(cairo, priv->zathura, CAIRO_FONT_WEIGHT_BOLD);
+    set_font_from_property(cairo, zathura, CAIRO_FONT_WEIGHT_BOLD);
 
     float transparency = 0.5;
-    girara_setting_get(priv->zathura->ui.session, "highlight-transparency", &transparency);
+    girara_setting_get(zathura->ui.session, "highlight-transparency", &transparency);
 
     if (priv->links.draw == true && priv->links.n != 0) {
       unsigned int link_counter = 0;
@@ -620,14 +620,14 @@ zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
           zathura_rectangle_t rectangle = recalc_rectangle(priv->page, zathura_link_get_position(link));
 
           /* draw position */
-          const GdkRGBA color = priv->zathura->ui.colors.highlight_color;
+          const GdkRGBA color = zathura->ui.colors.highlight_color;
           cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
-          cairo_rectangle(cairo, rectangle.x1, rectangle.y1,
-                          (rectangle.x2 - rectangle.x1), (rectangle.y2 - rectangle.y1));
+          cairo_rectangle(cairo, rectangle.x1, rectangle.y1, (rectangle.x2 - rectangle.x1),
+                          (rectangle.y2 - rectangle.y1));
           cairo_fill(cairo);
 
           /* draw text */
-          const GdkRGBA color_fg = priv->zathura->ui.colors.highlight_color_fg;
+          const GdkRGBA color_fg = zathura->ui.colors.highlight_color_fg;
           cairo_set_source_rgba(cairo, color_fg.red, color_fg.green, color_fg.blue, transparency);
           cairo_move_to(cairo, rectangle.x1 + 1, rectangle.y2 - 1);
           char* link_number = g_strdup_printf("%i", priv->links.offset + ++link_counter);
@@ -646,10 +646,10 @@ zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
 
         /* draw position */
         if (idx == priv->search.current) {
-          const GdkRGBA color = priv->zathura->ui.colors.highlight_color_active;
+          const GdkRGBA color = zathura->ui.colors.highlight_color_active;
           cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
         } else {
-          const GdkRGBA color = priv->zathura->ui.colors.highlight_color;
+          const GdkRGBA color = zathura->ui.colors.highlight_color;
           cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
         }
         cairo_rectangle(cairo, rectangle.x1, rectangle.y1, (rectangle.x2 - rectangle.x1),

zathura/types.c

@@ -120,3 +120,21 @@ zathura_document_information_entry_free(zathura_document_information_entry_t* en
   g_free(entry->value);
   g_free(entry);
 }
+
+zathura_signature_info_t*
+zathura_signature_info_new(void)
+{
+  return g_try_malloc0(sizeof(zathura_signature_info_t));
+}
+
+void
+zathura_signature_info_free(zathura_signature_info_t* signature)
+{
+  if (signature == NULL) {
+    return;
+  }
+
+  g_free(signature->signer);
+  g_date_time_unref(signature->time);
+  g_free(signature);
+}

zathura/types.h

@@ -4,6 +4,7 @@
 #define TYPES_H
 
 #include <girara/datastructures.h>
+#include <glib.h>
 
 #include "macros.h"
 
@@ -286,4 +287,41 @@ typedef struct zathura_device_factors_s
   double y;
 } zathura_device_factors_t;
 
+/**
+ * Signature state
+ */
+typedef enum zathura_signature_state_e {
+  ZATHURA_SIGNATURE_INVALID,
+  ZATHURA_SIGNATURE_VALID,
+  ZATHURA_SIGNATURE_CERTIFICATE_UNTRUSTED,
+  ZATHURA_SIGNATURE_CERTIFICATE_EXPIRED,
+  ZATHURA_SIGNATURE_CERTIFICATE_REVOKED,
+  ZATHURA_SIGNATURE_CERTIFICATE_INVALID,
+  ZATHURA_SIGNATURE_ERROR,
+} zathura_signature_state_t;
+
+/**
+ * Signature information
+ */
+typedef struct zathura_signature_info_s {
+  char*                     signer;
+  GDateTime*                time;
+  zathura_rectangle_t       position;
+  zathura_signature_state_t state;
+} zathura_signature_info_t;
+
+/**
+ *  Creates a new siganture info.
+ *
+ * @return A new signature info or NULL if an error occurred
+ */
+ZATHURA_PLUGIN_API zathura_signature_info_t* zathura_signature_info_new(void);
+
+/**
+ * Frees a signature info
+ *
+ * @param signature The signature info to be freed
+ */
+ZATHURA_PLUGIN_API void zathura_signature_info_free(zathura_signature_info_t* signature);
+
 #endif // TYPES_H