From e2c32a07fd02f62f705574923e59c4f5ac2fbbd4 Mon Sep 17 00:00:00 2001
From: Moritz Lipp <mlq@pwmt.org>
Date: Wed, 2 May 2012 01:20:48 +0200
Subject: [PATCH] Implement zathura_page_get_annotations

---
 page.c       | 29 ++++++++++++++++++++++++++++-
 page.h       | 10 ++++++++++
 plugin-api.h | 10 ++++++++++
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/page.c b/page.c
index ff70a10..855e470 100644
--- a/page.c
+++ b/page.c
@@ -308,7 +308,8 @@ zathura_page_image_get_cairo(zathura_page_t* page, zathura_image_t* image, zathu
   return plugin->functions.page_image_get_cairo(page, page->data, image, error);
 }
 
-char* zathura_page_get_text(zathura_page_t* page, zathura_rectangle_t rectangle, zathura_error_t* error)
+char*
+zathura_page_get_text(zathura_page_t* page, zathura_rectangle_t rectangle, zathura_error_t* error)
 {
   if (page == NULL || page->document == NULL ) {
     if (error) {
@@ -328,6 +329,32 @@ char* zathura_page_get_text(zathura_page_t* page, zathura_rectangle_t rectangle,
   return plugin->functions.page_get_text(page, page->data, rectangle, error);
 }
 
+girara_list_t*
+zathura_page_get_annotations(zathura_page_t* page, zathura_error_t* error)
+{
+  if (page == NULL || page->document == NULL ) {
+    if (error) {
+      *error = ZATHURA_ERROR_INVALID_ARGUMENTS;
+    }
+    return NULL;
+  }
+
+  zathura_plugin_t* plugin = zathura_document_get_plugin(page->document);
+  if (plugin->functions.page_get_annotations == NULL) {
+    if (error) {
+      *error = ZATHURA_ERROR_NOT_IMPLEMENTED;
+    }
+    return NULL;
+  }
+
+  girara_list_t* result = plugin->functions.page_get_annotations(page, page->data, error);
+  if (result != NULL) {
+    girara_list_set_free_function(result, (girara_free_function_t) zathura_annotation_free);
+  }
+
+  return result;
+}
+
 zathura_error_t
 zathura_page_render(zathura_page_t* page, cairo_t* cairo, bool printing)
 {
diff --git a/page.h b/page.h
index dbac902..b0b015f 100644
--- a/page.h
+++ b/page.h
@@ -192,6 +192,16 @@ cairo_surface_t* zathura_page_image_get_cairo(zathura_page_t* page, zathura_imag
  */
 char* zathura_page_get_text(zathura_page_t* page, zathura_rectangle_t rectangle, zathura_error_t* error);
 
+/**
+ * Returns a list of annotations (see \ref zathura_annotation_t)
+ *
+ * @param page Page
+ * @param error Set to an error value (see \ref zathura_error_t) if an
+ *   error occured
+ * @return List of annotations or NULL if an error occured
+ */
+girara_list_t* zathura_page_get_annotations(zathura_page_t* page, zathura_error_t* error);
+
 /**
  * Render page
  *
diff --git a/plugin-api.h b/plugin-api.h
index a5ba8c6..2a18829 100644
--- a/plugin-api.h
+++ b/plugin-api.h
@@ -141,6 +141,11 @@ typedef cairo_surface_t* (*zathura_plugin_page_image_get_cairo_t)(zathura_page_t
  */
 typedef char* (*zathura_plugin_page_get_text_t)(zathura_page_t* page, void* data, zathura_rectangle_t rectangle, zathura_error_t* error);
 
+/**
+ * Get list of annotations
+ */
+typedef girara_list_t* (*zathura_plugin_page_get_annotations_t)(zathura_page_t* page, void* data, zathura_error_t* error);
+
 /**
  * Renders the page
  */
@@ -229,6 +234,11 @@ struct zathura_plugin_functions_s
    */
   zathura_plugin_page_get_text_t page_get_text;
 
+  /**
+   * Get list of annotations
+   */
+  zathura_plugin_page_get_annotations_t page_get_annotations;
+
   /**
    * Renders the page
    */