Rudimentary Event object binding

javascript/duktape/Event.bnd

@@ -0,0 +1,145 @@
+/* Event binding for browser using duktape and libdom
+ *
+ * Copyright 2015 Vincent Sanders <vince@netsurf-browser.org>
+ * Copyright 2015 Daniel Silverstone <dsilvers@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * Released under the terms of the MIT License,
+ *         http://www.opensource.org/licenses/mit-license
+ */
+
+class Event {
+      private dom_event *evt;
+};
+
+init Event (struct dom_event *evt)
+%{
+	priv->evt = evt;
+	dom_event_ref(evt);
+%}
+
+/* Note: many of these could be automatics once nsgenbind gets there. */
+
+getter Event::type ()
+%{
+	dom_string *ret;
+	dom_exception exc;
+
+	exc = dom_event_get_type(priv->evt, &ret);
+	if (exc != DOM_NO_ERR) return 0;
+	if (ret == NULL) {
+		duk_push_lstring(ctx, "", 0);
+	} else {
+		duk_push_lstring(ctx, dom_string_data(ret),
+				dom_string_length(ret));
+		dom_string_unref(ret);
+	}
+
+	return 1;
+%}
+
+getter Event::target ()
+%{
+	/** @todo Decide HTF this works wrt. Window as an event target */
+	dom_node *et;
+	dom_exception exc;
+
+	exc = dom_event_get_target(priv->evt, &et);
+	if (exc != DOM_NO_ERR) return 0;
+
+	dukky_push_node(ctx, et);
+	return 1;
+%}
+
+getter Event::currentTarget ()
+%{
+	/** @todo Decide HTF this works wrt. Window as an event target */
+	dom_node *et;
+	dom_exception exc;
+
+	exc = dom_event_get_current_target(priv->evt, &et);
+	if (exc != DOM_NO_ERR) return 0;
+
+	dukky_push_node(ctx, et);
+	return 1;
+%}
+
+getter Event::eventPhase ()
+%{
+	dom_exception exc;
+	dom_event_flow_phase phase;
+
+	exc = dom_event_get_event_phase(priv->evt, &phase);
+	if (exc != DOM_NO_ERR) return 0;
+
+	duk_push_uint(ctx, phase);
+	return 1;
+%}
+
+method Event::stopPropagation ()
+%{
+	dom_exception exc;
+
+	exc = dom_event_stop_propagation(priv->evt);
+	if (exc != DOM_NO_ERR) return 0;
+
+	return 0;
+%}
+
+method Event::stopImmediatePropagation ()
+%{
+	dom_exception exc;
+
+	exc = dom_event_stop_immediate_propagation(priv->evt);
+	if (exc != DOM_NO_ERR) return 0;
+
+	return 0;
+%}
+
+getter Event::bubbles ()
+%{
+	dom_exception exc;
+	bool ret;
+
+	exc = dom_event_get_bubbles(priv->evt, &ret);
+	if (exc != DOM_NO_ERR) return 0;
+
+	duk_push_boolean(ctx, ret);
+	return 1;
+%}
+
+getter Event::cancelable ()
+%{
+	dom_exception exc;
+	bool ret;
+
+	exc = dom_event_get_cancelable(priv->evt, &ret);
+	if (exc != DOM_NO_ERR) return 0;
+
+	duk_push_boolean(ctx, ret);
+	return 1;
+%}
+
+method Event::preventDefault ()
+%{
+	dom_exception exc;
+
+	exc = dom_event_prevent_default(priv->evt);
+	if (exc != DOM_NO_ERR) return 0;
+
+	return 0;
+%}
+
+getter Event::defaultPrevented ()
+%{
+	dom_exception exc;
+	bool ret;
+
+	exc = dom_event_is_default_prevented(priv->evt, &ret);
+	if (exc != DOM_NO_ERR) return 0;
+
+	duk_push_boolean(ctx, ret);
+	return 1;
+%}
+

javascript/duktape/netsurf.bnd

@@ -62,6 +62,38 @@ struct dom_html_br_element;
 #include "Location.bnd"
 #include "Navigator.bnd"
 
+/* events */
+
+#include "Event.bnd"
+
+init MutationEvent(struct dom_mutation_event *evt::evt);
+init UIEvent(struct dom_ui_event *evt::evt);
+init TextEvent(struct dom_text_event *evt::evt);
+init MutationNameEvent(struct dom_mutation_name_event *evt::evt);
+init MouseWheelEvent(struct dom_mouse_wheel_event *evt::evt);
+init MouseMultiWheelEvent(struct dom_mouse_multi_wheel_event *evt::evt);
+init MouseEvent(struct dom_mouse_event *evt::evt);
+init KeyboardEvent(struct dom_keyboard_event *evt::evt);
+init DocumentEvent(struct dom_document_event *evt::evt);
+init CustomEvent(struct dom_custom_event *evt::evt);
+init CompositionEvent(struct dom_ui_event *evt::evt);
+init WheelEvent(struct dom_mouse_event *evt::evt);
+init FocusEvent(struct dom_ui_event *evt::evt);
+init StorageEvent(struct dom_event *evt::evt);
+init CloseEvent(struct dom_event *evt::evt);
+init MessageEvent(struct dom_event *evt::evt);
+init ErrorEvent(struct dom_event *evt::evt);
+init BeforeUnloadEvent(struct dom_event *evt::evt);
+init PageTransitionEvent(struct dom_event *evt::evt);
+init HashChangeEvent(struct dom_event *evt::evt);
+init PopStateEvent(struct dom_event *evt::evt);
+init DragEvent(struct dom_mouse_event *evt::evt);
+init RelatedEvent(struct dom_event *evt::evt);
+init AutocompleteErrorEvent(struct dom_event *evt::evt);
+init TrackEvent(struct dom_event *evt::evt);
+
+
+/* html elements */
 #include "HTMLElement.bnd"
 
 /* specialisations of html_element */