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Handle events

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This commit is contained in:
Daniel Silverstone 2015-10-31 18:00:54 +01:00
parent b1d477219d
commit 4ca737408c
1 changed files with 77 additions and 8 deletions
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85
javascript/duktape/dukky.c
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@ -445,6 +445,47 @@ static void dukky_push_event(duk_context *ctx, dom_event *evt)
/* ... event */
}
static void dukky_push_handler_code(duk_context *ctx, dom_event *evt)
{
dom_string *name, *onname, *val;
dom_element *ele;
dom_exception exc;
exc = dom_event_get_type(evt, &name);
if (exc != DOM_NO_ERR) {
duk_push_lstring(ctx, "", 0);
return;
}
exc = dom_string_concat(corestring_dom_on, name, &onname);
if (exc != DOM_NO_ERR) {
dom_string_unref(name);
duk_push_lstring(ctx, "", 0);
return;
}
dom_string_unref(name);
exc = dom_event_get_target(evt, &ele);
if (exc != DOM_NO_ERR) {
dom_string_unref(onname);
duk_push_lstring(ctx, "", 0);
return;
}
exc = dom_element_get_attribute(ele, onname, &val);
if (exc != DOM_NO_ERR) {
dom_string_unref(onname);
dom_node_unref(ele);
duk_push_lstring(ctx, "", 0);
return;
}
dom_node_unref(ele);
dom_string_unref(onname);
duk_push_lstring(ctx, dom_string_data(val), dom_string_length(val));
dom_string_unref(val);
}
static void dukky_generic_event_handler(dom_event *evt, void *pw)
{
duk_context *ctx = (duk_context *)pw;
@ -475,6 +516,7 @@ static void dukky_generic_event_handler(dom_event *evt, void *pw)
LOG("Unable to push JS node representation?!");
return;
}
dom_node_unref(targ);
/* ... node */
duk_get_prop_string(ctx, -1, HANDLER_MAGIC);
/* ... node handlers */
@ -484,16 +526,40 @@ static void dukky_generic_event_handler(dom_event *evt, void *pw)
/* ... node handlers handler? */
if (duk_is_undefined(ctx, -1)) {
/* ... node handlers undefined */
duk_pop(ctx);
duk_pop_2(ctx);
/* ... node */
dukky_push_handler_code(ctx, evt);
/* ... node handlercode */
/** @todo This is entirely wrong, but it's hard to get right */
duk_push_string(ctx, "function (event) {");
/* ... node handlercode prefix */
duk_insert(ctx, -2);
/* ... node prefix handlercode */
duk_push_string(ctx, "}");
/* ... node prefix handlercode suffix */
duk_concat(ctx, 3);
/* ... node fullhandlersrc */
duk_push_string(ctx, "internal raw uncompiled handler");
/* ... node fullhandlersrc filename */
if (duk_pcompile(ctx, DUK_COMPILE_FUNCTION) != 0) {
/* ... node err */
LOG("Unable to proceed with handler, could not compile");
dom_string_unref(name);
duk_pop_2(ctx);
return ;
}
/* ... node handler */
/* @todo deal with uncompiled badgers */
duk_insert(ctx, -2);
/* ... handler node */
} else {
/* ... node handlers handler */
duk_insert(ctx, -2);
/* ... handler node handlers */
duk_pop(ctx);
/* ... handler node */
}
dom_string_unref(name);
/** @todo handle other kinds of event than the generic case */
/* ... node handlers handler */
duk_insert(ctx, -2);
/* ... handler node handlers */
duk_pop(ctx);
dom_string_unref(name);
/* ... handler node */
dukky_push_event(ctx, evt);
/* ... handler node event */
@ -555,6 +621,9 @@ void dukky_register_event_listener_for(duk_context *ctx,
if (exc != DOM_NO_ERR) {
LOG("Unable to register listener for %p.%*s",
ele, dom_string_length(name), dom_string_data(name));
} else {
LOG("have registered listener for %p.%*s",
ele, dom_string_length(name), dom_string_data(name));
}
dom_event_listener_unref(listen);
}
@ -589,7 +658,7 @@ void js_handle_new_element(jscontext *ctx, struct dom_element *node)
if (data[0] == 'o' && data[1] == 'n') {
dom_string *sub = NULL;
exc = dom_string_substr(
key, 2, dom_string_length(key) - 2,
key, 2, dom_string_length(key),
&sub);
if (exc == DOM_NO_ERR) {
dukky_register_event_listener_for(