integration of zathura with pdf sessions

1 files changed, 7 insertions, 4 deletions

diff --git a/lib/doc/jao-doc-view.el b/lib/doc/jao-doc-view.el
index f917b96..f7984f0 100644
--- a/lib/doc/jao-doc-view.el
+++ b/lib/doc/jao-doc-view.el
@@ -30,6 +30,11 @@
 (require 'doc-view)
 
 (defvar jao-doc-view-session-file "~/.emacs.d/cache/doc-view-session.eld")
+(defvar-local jao-doc-view--is-pdf nil)
+
+(defun jao-doc-view-session-mark () (setq-local jao-doc-view--is-pdf t))
+(defun jao-doc-view--is-pdf ()
+  (or jao-doc-view--is-pdf (derived-mode-p 'doc-view-mode 'pdf-view-mode)))
 
 (defun jao-doc-view--read-file (file)
   (let ((buff (find-file-noselect file)))
@@ -54,16 +59,14 @@
         (cb (when skip-current (current-buffer))))
     (dolist (b (buffer-list))
       (with-current-buffer b
-        (when (and (derived-mode-p 'doc-view-mode 'pdf-view-mode)
-                   (not (equalp cb b)))
+        (when (and (jao-doc-view--is-pdf) (not (equalp cb b)))
           (add-to-list 'docs (buffer-file-name)))))
     (when (> (length docs) 0)
       (jao-doc-view--save-to-file jao-doc-view-session-file docs))
     (message "%s docs saved" (length docs))))
 
 (defun jao-doc-view--save-session-1 ()
-  (when (derived-mode-p 'pdf-view-mode 'doc-view-mode)
-    (jao-doc-view-save-session t)))
+  (when (jao-doc-view--is-pdf) (jao-doc-view-save-session t)))
 
 (defun jao-doc-view--save-session ()
   (let ((inhibit-message t)