6:56 p.m.
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http://git.netsurf-browser.org/libdom.git/tree/2e707ef487896b68494ecb07f0...
The branch, tlsa/faster-strings has been updated
via 2e707ef487896b68494ecb07f0047be164e4ae8e (commit)
via 4ef9aeab25b67fa27e951473c78f33a600503ee4 (commit)
via 737cb995c1b2bf144ee5087a011418b1f9b8aa69 (commit)
via 2196dd1c1d5a78e82e8b57d77008a0486011bec9 (commit)
via 7e9681b5e1829e533d9cce3b28ee94ecf2daff24 (commit)
via b4a245f67fe6c40f3aa8ddfe627d28e3513a9463 (commit)
from a37713d9b0d49e9996b6eba9789e6f4ace88cb85 (commit)
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- Log -----------------------------------------------------------------
-----------------------------------------------------------------------
Summary of changes:
include/dom/html/html_elements.h | 3 +-
src/core/node.c | 99 ++++++++++++++++++++++++++++----------
2 files changed, 76 insertions(+), 26 deletions(-)
diff --git a/include/dom/html/html_elements.h b/include/dom/html/html_elements.h
index 5774657..1e6b3fc 100644
--- a/include/dom/html/html_elements.h
+++ b/include/dom/html/html_elements.h
@@ -91,4 +91,5 @@ DOM_HTML_ELEMENT_LIST
#endif
#undef DOM_HTML_ELEMENT_LIST
-#endif
\ No newline at end of file
+#endif
+
diff --git a/src/core/node.c b/src/core/node.c
index 45db915..8800a4b 100644
--- a/src/core/node.c
+++ b/src/core/node.c
@@ -2316,11 +2316,43 @@ dom_exception _dom_node_remove_event_listener_ns(dom_event_target
*et,
namespace, type, listener, capture);
}
+
+/** Helper for allocating/expanding array of event targets */
+static inline dom_exception _dom_event_targets_expand(
+ uint32_t *ntargets_allocated,
+ dom_event_target ***targets)
+{
+ dom_event_target **t = *targets;
+ uint32_t size = *ntargets_allocated;
+
+ if (t == NULL) {
+ /* Create the event target list */
+ size = 64;
+ t = calloc(sizeof(*t), size);
+ if (targets == NULL) {
+ return DOM_NO_MEM_ERR;
+ }
+ } else {
+ /* Extend events target list */
+ dom_event_target **tmp = realloc(t, size * 2 * sizeof(*t));
+ if (tmp == NULL) {
+ return DOM_NO_MEM_ERR;
+ }
+ memset(tmp + size, 0, size * sizeof(*tmp));
+ t = tmp;
+ size *= 2;
+ }
+
+ *ntargets_allocated = size;
+ *targets = t;
+
+ return DOM_NO_ERR;
+}
+
/**
* Dispatch an event into the implementation's event model
*
* \param et The EventTarget object
- * \param eti Internal EventTarget
* \param evt The event object
* \param success Indicates whether any of the listeners which handled the
* event called Event.preventDefault(). If
@@ -2369,31 +2401,46 @@ dom_exception _dom_node_dispatch_event(dom_event_target *et,
*success = true;
- /* Compose the event target list */
+ /* Initialise array of targets for capture/bubbling phases */
+ targets = NULL;
+ ntargets_allocated = 0;
ntargets = 0;
- ntargets_allocated = 64;
- targets = calloc(sizeof(*targets), ntargets_allocated);
- if (targets == NULL) {
- /** \todo Report memory exhaustion? */
- return DOM_NO_ERR;
- }
- targets[ntargets++] = (dom_event_target *)dom_node_ref(et);
- target = target->parent;
- while (target != NULL) {
+ /* Add interested event listeners to array */
+ for (; target != NULL; target = target->parent) {
+ struct listener_entry *le = target->eti.listeners;
+ bool target_has_listener = false;
+
+ if (le == NULL) {
+ /* This event target isn't listening to anything */
+ continue;
+ }
+
+ /* Check whether the event target is listening for this
+ * event type */
+ do {
+ if (dom_string_isequal(le->type, evt->type)) {
+ target_has_listener = true;
+ break;
+ }
+ le = (struct listener_entry *) le->list.next;
+ } while (le != target->eti.listeners);
+
+ if (target_has_listener == false) {
+ continue;
+ }
+
+ /* The event target is listening for this event type,
+ * so add it to the array. */
if (ntargets == ntargets_allocated) {
- dom_event_target **newtargets = realloc(
- targets,
- ntargets_allocated * 2 * sizeof(*targets));
- if (newtargets == NULL)
+ err = _dom_event_targets_expand(&ntargets_allocated,
+ &targets);
+ if (err != DOM_NO_ERR) {
+ ret = err;
goto cleanup;
- memset(newtargets + ntargets_allocated,
- 0, ntargets_allocated * sizeof(*newtargets));
- targets = newtargets;
- ntargets_allocated *= 2;
+ }
}
targets[ntargets++] = (dom_event_target *)dom_node_ref(target);
- target = target->parent;
}
/* Fill the target of the event */
@@ -2412,7 +2459,7 @@ dom_exception _dom_node_dispatch_event(dom_event_target *et,
}
/* The capture phase */
- for (targetnr = ntargets; targetnr > 1; --targetnr) {
+ for (targetnr = ntargets; targetnr > 0; --targetnr) {
dom_node_internal *node =
(dom_node_internal *) targets[targetnr - 1];
@@ -2443,7 +2490,7 @@ dom_exception _dom_node_dispatch_event(dom_event_target *et,
/* Bubbling phase */
evt->phase = DOM_BUBBLING_PHASE;
- for (targetnr = 1; targetnr < ntargets; ++targetnr) {
+ for (targetnr = 0; targetnr < ntargets; ++targetnr) {
dom_node_internal *node =
(dom_node_internal *) targets[targetnr];
err = _dom_event_target_dispatch(targets[targetnr],
@@ -2465,8 +2512,8 @@ dom_exception _dom_node_dispatch_event(dom_event_target *et,
dom_default_action_phase phase = DOM_DEFAULT_ACTION_END;
if (evt->prevent_default == true)
phase = DOM_DEFAULT_ACTION_PREVENTED;
- dom_default_action_callback cb = dei->actions(evt->type, phase,
- &pw);
+ dom_default_action_callback cb = dei->actions(
+ evt->type, phase, &pw);
if (cb != NULL) {
cb(evt, pw);
}
@@ -2480,7 +2527,9 @@ cleanup:
while (ntargets--) {
dom_node_unref(targets[ntargets]);
}
- free(targets);
+ if (targets != NULL) {
+ free(targets);
+ }
if (dei != NULL && dei->actions != NULL) {
dom_default_action_callback cb = dei->actions(evt->type,
--
Document Object Model library