Add context processor to expose matrix_chat_available to templates

matrix_iframe/__init__.py

@@ -27,6 +27,12 @@ def init_app(app, server_url='', room_alias='', base_template='layout.html', log
     app.register_blueprint(blueprint)
 
 
+@blueprint.app_context_processor
+def _inject_matrix_chat():
+    """Makes matrix_chat_available=True visible to all templates when the blueprint is registered."""
+    return {'matrix_chat_available': True}
+
+
 @blueprint.before_request
 def _auth_guard():
     login_endpoint = current_app.config.get('MATRIX_CHAT_LOGIN_ENDPOINT')
@@ -47,4 +53,5 @@ def chat():
         matrix_server=current_app.config.get('MATRIX_SERVER_URL', ''),
         matrix_room_alias=current_app.config.get('MATRIX_ROOM_ALIAS', ''),
         base_template=current_app.config.get('MATRIX_CHAT_BASE', 'layout.html'),
+        page='chat',
     )