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LibWeb: Fix various spec comment inconsistencies
- Don't add multiple numbers to nested steps, just the innermost one (as rendered in the HTML document) - "Otherwise" comments go before the else, not after it - "FIXME:" goes before step number, not between it and the comment text - Always add a period between number and comment text The majority of these were introduced in #13756, but some unrelated ones have been updated as well.
This commit is contained in:
Linus Groh
parent
bf16061142
commit
95541d7064
7 changed files with 133 additions and 131 deletions
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@ -36,17 +36,17 @@ static EventTarget* retarget(EventTarget* left, EventTarget* right)
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// To retarget an object A against an object B, repeat these steps until they return an object:
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for (;;) {
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// 1. If one of the following is true then return A.
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// 1.1 A is not a node
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// - A is not a node
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if (!is<Node>(left))
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return left;
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// 1.2 A’s root is not a shadow root
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// - A’s root is not a shadow root
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auto* left_node = verify_cast<Node>(left);
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auto& left_root = left_node->root();
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if (!is<ShadowRoot>(left_root))
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return left;
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// B is a node and A’s root is a shadow-including inclusive ancestor of B
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// - B is a node and A’s root is a shadow-including inclusive ancestor of B
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if (is<Node>(right) && left_root.is_shadow_including_inclusive_ancestor_of(verify_cast<Node>(*right)))
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return left;
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@ -181,11 +181,11 @@ void EventDispatcher::invoke(Event::PathEntry& struct_, Event& event, Event::Pha
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// 9. If found is false and event’s isTrusted attribute is true, then:
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if (!found && event.is_trusted()) {
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// 9.1 Let originalEventType be event’s type attribute value.
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// 1. Let originalEventType be event’s type attribute value.
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auto original_event_type = event.type();
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// 9.2 If event’s type attribute value is a match for any of the strings in the first column in the following table,
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// set event’s type attribute value to the string in the second column on the same row as the matching string, and return otherwise.
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// 2. If event’s type attribute value is a match for any of the strings in the first column in the following table,
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// set event’s type attribute value to the string in the second column on the same row as the matching string, and return otherwise.
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if (event.type() == "animationend")
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event.set_type("webkitAnimationEnd");
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else if (event.type() == "animationiteration")
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@ -197,10 +197,10 @@ void EventDispatcher::invoke(Event::PathEntry& struct_, Event& event, Event::Pha
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else
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return;
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// 9.3 Inner invoke with event, listeners, phase, invocationTargetInShadowTree, and legacyOutputDidListenersThrowFlag if given.
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// 3. Inner invoke with event, listeners, phase, invocationTargetInShadowTree, and legacyOutputDidListenersThrowFlag if given.
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inner_invoke(event, listeners, phase, invocation_target_in_shadow_tree);
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// 9.4 Set event’s type attribute value to originalEventType.
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// 4. Set event’s type attribute value to originalEventType.
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event.set_type(original_event_type);
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}
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}
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@ -229,95 +229,96 @@ bool EventDispatcher::dispatch(NonnullRefPtr<EventTarget> target, NonnullRefPtr<
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bool clear_targets = false;
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// 5. If target is not relatedTarget or target is event’s relatedTarget, then:
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if (related_target != target || event->related_target() == target) {
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// 5.1 Let touchTargets be a new list.
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// 1. Let touchTargets be a new list.
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Event::TouchTargetList touch_targets;
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// 5.2 For each touchTarget of event’s touch target list, append the result of retargeting touchTarget against target to touchTargets.
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// 2. For each touchTarget of event’s touch target list, append the result of retargeting touchTarget against target to touchTargets.
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for (auto& touch_target : event->touch_target_list()) {
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touch_targets.append(retarget(touch_target, target));
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}
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// 5.3 Append to an event path with event, target, targetOverride, relatedTarget, touchTargets, and false.
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// 3. Append to an event path with event, target, targetOverride, relatedTarget, touchTargets, and false.
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event->append_to_path(*target, target_override, related_target, touch_targets, false);
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// 5.4 Let isActivationEvent be true, if event is a MouseEvent object and event’s type attribute is "click"; otherwise false.
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// 4. Let isActivationEvent be true, if event is a MouseEvent object and event’s type attribute is "click"; otherwise false.
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bool is_activation_event = is<UIEvents::MouseEvent>(*event) && event->type() == HTML::EventNames::click;
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// 5.5 If isActivationEvent is true and target has activation behavior, then set activationTarget to target.
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// 5. If isActivationEvent is true and target has activation behavior, then set activationTarget to target.
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if (is_activation_event && target->activation_behavior)
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activation_target = target;
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// 5.6 FIXME: Let slottable be target, if target is a slottable and is assigned, and null otherwise.
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// FIXME: 6. Let slottable be target, if target is a slottable and is assigned, and null otherwise.
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// 5.7 Let slot-in-closed-tree be false
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// 7. Let slot-in-closed-tree be false
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bool slot_in_closed_tree = false;
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// 5.8 Let parent be the result of invoking target’s get the parent with event.
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// 8. Let parent be the result of invoking target’s get the parent with event.
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auto* parent = target->get_parent(event);
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// 5.9 While parent is non-null:
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// 9. While parent is non-null:
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while (parent) {
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// FIXME:
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// 5.9.1 If slottable is non-null:
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// 5.9.1.1 Assert: parent is a slot.
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// 5.9.1.2 Set slottable to null.
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// 5.9.1.3 If parent’s root is a shadow root whose mode is "closed", then set slot-in-closed-tree to true.
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// 5.9.2 If parent is a slottable and is assigned, then set slottable to parent.
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// FIXME: 1. If slottable is non-null:
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// 1. Assert: parent is a slot.
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// 2. Set slottable to null.
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// 3. If parent’s root is a shadow root whose mode is "closed", then set slot-in-closed-tree to true.
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// FIXME: 2. If parent is a slottable and is assigned, then set slottable to parent.
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// 5.9.3 Let relatedTarget be the result of retargeting event’s relatedTarget against parent.
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// 3. Let relatedTarget be the result of retargeting event’s relatedTarget against parent.
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related_target = retarget(event->related_target(), parent);
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// 5.9.4 Let touchTargets be a new list.
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// 4. Let touchTargets be a new list.
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touch_targets.clear();
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// 5.9.5 For each touchTarget of event’s touch target list, append the result of retargeting touchTarget against parent to touchTargets.
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// 5. For each touchTarget of event’s touch target list, append the result of retargeting touchTarget against parent to touchTargets.
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for (auto& touch_target : event->touch_target_list()) {
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touch_targets.append(retarget(touch_target, parent));
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}
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// 5.9.6 If parent is a Window object, or parent is a node and target’s root is a shadow-including inclusive ancestor of parent, then:
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// 6. If parent is a Window object, or parent is a node and target’s root is a shadow-including inclusive ancestor of parent, then:
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if (is<HTML::Window>(parent)
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|| (is<Node>(parent) && verify_cast<Node>(*target).root().is_shadow_including_inclusive_ancestor_of(verify_cast<Node>(*parent)))) {
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// 5.9.6.1 If isActivationEvent is true, event’s bubbles attribute is true, activationTarget is null, and parent has activation behavior, then set activationTarget to parent.
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// 1. If isActivationEvent is true, event’s bubbles attribute is true, activationTarget is null, and parent has activation behavior, then set activationTarget to parent.
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if (is_activation_event && event->bubbles() && !activation_target && parent->activation_behavior)
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activation_target = parent;
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// 5.9.6.2 Append to an event path with event, parent, null, relatedTarget, touchTargets, and slot-in-closed-tree.
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// 2. Append to an event path with event, parent, null, relatedTarget, touchTargets, and slot-in-closed-tree.
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event->append_to_path(*parent, nullptr, related_target, touch_targets, slot_in_closed_tree);
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} else if (related_target == parent) {
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// 5.9.7 Otherwise, if parent is relatedTarget, then set parent to null.
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}
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// 7. Otherwise, if parent is relatedTarget, then set parent to null.
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else if (related_target == parent) {
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parent = nullptr;
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} else {
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// 5.9.8 Otherwise, set target to parent and then:
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}
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// 8. Otherwise, set target to parent and then:
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else {
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target = *parent;
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// 5.9.8.1 If isActivationEvent is true, activationTarget is null, and target has activation behavior, then set activationTarget to target.
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// 1. If isActivationEvent is true, activationTarget is null, and target has activation behavior, then set activationTarget to target.
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if (is_activation_event && !activation_target && target->activation_behavior)
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activation_target = target;
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// 5.9.8.2 Append to an event path with event, parent, target, relatedTarget, touchTargets, and slot-in-closed-tree.
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// 2. Append to an event path with event, parent, target, relatedTarget, touchTargets, and slot-in-closed-tree.
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event->append_to_path(*parent, target, related_target, touch_targets, slot_in_closed_tree);
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}
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// 5.9.9 If parent is non-null, then set parent to the result of invoking parent’s get the parent with event.
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// 9. If parent is non-null, then set parent to the result of invoking parent’s get the parent with event.
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if (parent) {
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parent = parent->get_parent(event);
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}
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// 5.9.10 Set slot-in-closed-tree to false.
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// 10. Set slot-in-closed-tree to false.
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slot_in_closed_tree = false;
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}
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// 5.10 Let clearTargetsStruct be the last struct in event’s path whose shadow-adjusted target is non-null.
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// 10. Let clearTargetsStruct be the last struct in event’s path whose shadow-adjusted target is non-null.
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auto clear_targets_struct = event->path().last_matching([](auto& entry) {
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return !entry.shadow_adjusted_target.is_null();
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});
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VERIFY(clear_targets_struct.has_value());
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// 5.11 Let clearTargets be true if clearTargetsStruct’s shadow-adjusted target, clearTargetsStruct’s relatedTarget,
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// or an EventTarget object in clearTargetsStruct’s touch target list is a node and its root is a shadow root; otherwise false.
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// 11. Let clearTargets be true if clearTargetsStruct’s shadow-adjusted target, clearTargetsStruct’s relatedTarget,
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// or an EventTarget object in clearTargetsStruct’s touch target list is a node and its root is a shadow root; otherwise false.
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if (is<Node>(clear_targets_struct.value().shadow_adjusted_target.ptr())) {
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auto& shadow_adjusted_target_node = verify_cast<Node>(*clear_targets_struct.value().shadow_adjusted_target);
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if (is<ShadowRoot>(shadow_adjusted_target_node.root()))
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@ -342,39 +343,40 @@ bool EventDispatcher::dispatch(NonnullRefPtr<EventTarget> target, NonnullRefPtr<
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}
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}
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// 5.12 If activationTarget is non-null and activationTarget has legacy-pre-activation behavior, then run activationTarget’s legacy-pre-activation behavior.
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// 12. If activationTarget is non-null and activationTarget has legacy-pre-activation behavior, then run activationTarget’s legacy-pre-activation behavior.
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if (activation_target)
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activation_target->legacy_pre_activation_behavior();
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// 5.13 For each struct in event’s path, in reverse order:
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// 13. For each struct in event’s path, in reverse order:
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for (auto& entry : event->path().in_reverse()) {
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// 5.13.1 If struct’s shadow-adjusted target is non-null, then set event’s eventPhase attribute to AT_TARGET.
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// 1. If struct’s shadow-adjusted target is non-null, then set event’s eventPhase attribute to AT_TARGET.
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if (entry.shadow_adjusted_target)
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event->set_phase(Event::Phase::AtTarget);
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// 2. Otherwise, set event’s eventPhase attribute to CAPTURING_PHASE.
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else
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// 5.13.2 Otherwise, set event’s eventPhase attribute to CAPTURING_PHASE.
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event->set_phase(Event::Phase::CapturingPhase);
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// 5.13.3 Invoke with struct, event, "capturing", and legacyOutputDidListenersThrowFlag if given.
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// 3. Invoke with struct, event, "capturing", and legacyOutputDidListenersThrowFlag if given.
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invoke(entry, event, Event::Phase::CapturingPhase);
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}
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// 5.14 For each struct in event’s path:
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// 14. For each struct in event’s path:
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for (auto& entry : event->path()) {
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// 5.14.1 If struct’s shadow-adjusted target is non-null, then set event’s eventPhase attribute to AT_TARGET.
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// 1. If struct’s shadow-adjusted target is non-null, then set event’s eventPhase attribute to AT_TARGET.
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if (entry.shadow_adjusted_target) {
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event->set_phase(Event::Phase::AtTarget);
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} else {
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// 5.14.2 Otherwise:
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// 5.14.2.1 If event’s bubbles attribute is false, then continue.
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}
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// 2. Otherwise:
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else {
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// 1. If event’s bubbles attribute is false, then continue.
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if (!event->bubbles())
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continue;
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// 5.14.2.2 Set event’s eventPhase attribute to BUBBLING_PHASE.
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// 2. Set event’s eventPhase attribute to BUBBLING_PHASE.
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event->set_phase(Event::Phase::BubblingPhase);
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}
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// 5.14.3 Invoke with struct, event, "bubbling", and legacyOutputDidListenersThrowFlag if given.
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// 3. Invoke with struct, event, "bubbling", and legacyOutputDidListenersThrowFlag if given.
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invoke(entry, event, Event::Phase::BubblingPhase);
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}
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}
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@ -395,24 +397,25 @@ bool EventDispatcher::dispatch(NonnullRefPtr<EventTarget> target, NonnullRefPtr<
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// 10. If clearTargets, then:
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if (clear_targets) {
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// 10.1 Set event’s target to null.
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// 1. Set event’s target to null.
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event->set_target(nullptr);
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// 10.2 Set event’s relatedTarget to null.
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// 2. Set event’s relatedTarget to null.
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event->set_related_target(nullptr);
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// 10.3 Set event’s touch target list to the empty list.
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// 3. Set event’s touch target list to the empty list.
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event->clear_touch_target_list();
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}
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// 11. If activationTarget is non-null, then:
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if (activation_target) {
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// 11.1 If event’s canceled flag is unset, then run activationTarget’s activation behavior with event.
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// 1. If event’s canceled flag is unset, then run activationTarget’s activation behavior with event.
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if (!event->cancelled()) {
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activation_target->activation_behavior(event);
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activation_target->legacy_cancelled_activation_behavior_was_not_called();
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} else {
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// 11.2 Otherwise, if activationTarget has legacy-canceled-activation behavior, then run activationTarget’s legacy-canceled-activation behavior.
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}
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// 2. Otherwise, if activationTarget has legacy-canceled-activation behavior, then run activationTarget’s legacy-canceled-activation behavior.
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else {
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activation_target->legacy_cancelled_activation_behavior();
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}
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}
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