Add a adapter class for handling Epub files

The adapter extends EpubView, Epub and JobFind to make them compatible with the Evince API as much as possible

1 files changed, 66 insertions, 0 deletions

diff --git a/epubadapter.py b/epubadapter.py
new file mode 100644
index 0000000..1366ebf
--- /dev/null
+++ b/epubadapter.py
@@ -0,0 +1,66 @@
+import gobject
+import logging
+
+from epubview import EpubView, Epub, JobFind
+
+_logger = logging.getLogger('read-activity')
+
+class View(EpubView):
+    def __init__(self):
+        EpubView.__init__(self)
+
+    def _try_load_page(self, n):
+        if self._ready:
+            self._load_page(n)
+            return False
+        else:
+            return True
+
+    def set_screen_dpi(self, dpi):
+        return
+
+    def find_set_highlight_search(self, set_highlight_search):
+        return
+
+    def set_current_page(self, n):
+        # When the book is being loaded, calling this does not help
+        # In such a situation, we go into a loop and try to load the 
+        # supplied page when the book has loaded completely
+        if self._ready:
+            self._load_page(n + 1)
+        else:
+            gobject.timeout_add(200, self._try_load_page, n + 1)
+
+    def get_current_page(self):
+        return self._loaded_page - 1 
+
+    def find_changed(self, job, page = None):
+        self._find_changed(job)
+
+    def update_view_size(self, widget):
+        return
+
+    def handle_link(self, link):
+        self._load_file(link)
+
+
+class EpubDocument(Epub):
+    def __init__(self, view, docpath):
+        Epub.__init__(self, docpath)
+        self._page_cache = view
+
+    def get_page_cache(self):
+        return self._page_cache
+
+    def get_n_pages(self):
+        return self._page_cache.get_pagecount()
+
+    def has_document_links(self):
+        return True
+
+    def get_links_model(self):
+        return self.get_toc_model()
+
+class JobFind(JobFind):
+    def __init__(self, document, start_page, n_pages, text, case_sensitive=False):
+        JobFind.__init__(self, document, start_page, n_pages, text, case_sensitive=False)