Persist zoom level of tabs between sessions - SL #4368

- Read the zoom level using Dictionary.get() to make it backwards
  compatible.

- Add getter and setter to DummyBrowser for the duck typing.

Initial patch from Ariel Calzada <ariel@acivitycentral.com>

Signed-off-by: Ariel Calzada <ariel@acivitycentral.com>
Signed-off-by: Manuel Quiñones <manuq@laptop.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/pdfviewer.py b/pdfviewer.py
index e539a32..e0030ef 100644
--- a/pdfviewer.py
+++ b/pdfviewer.py
@@ -282,6 +282,12 @@ class DummyBrowser(GObject.GObject):
     def get_history_index(self):
         return 0
 
+    def set_zoom_level(self, zoom_level):
+        pass
+
+    def get_zoom_level(self):
+        return 0
+
     def stop_loading(self):
         self._tab.cancel_download()