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author | Moonchild <moonchild@palemoon.org> | 2020-04-17 16:02:56 +0200 |
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committer | GitHub <noreply@github.com> | 2020-04-17 16:02:56 +0200 |
commit | d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf (patch) | |
tree | 2bfef192cbb748b675ce8308c242a376798e265d /dom/xul/nsXULElement.cpp | |
parent | 5caf99795aa81e1fc145b8e937b1ee8197ed2486 (diff) | |
parent | f35aa3e15fedf3cd4ad163d60ab74a9537ca5c82 (diff) | |
download | UXP-d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf.tar UXP-d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf.tar.gz UXP-d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf.tar.lz UXP-d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf.tar.xz UXP-d5102d6beafc2a2a0cec3cc3ee5f7ebde31ae7bf.zip |
Merge pull request #1518 from MoonchildProductions/shadowdom-merge
Incremental shadowdom-merge
Diffstat (limited to 'dom/xul/nsXULElement.cpp')
-rw-r--r-- | dom/xul/nsXULElement.cpp | 150 |
1 files changed, 92 insertions, 58 deletions
diff --git a/dom/xul/nsXULElement.cpp b/dom/xul/nsXULElement.cpp index a854f53ec..2ae03e0b1 100644 --- a/dom/xul/nsXULElement.cpp +++ b/dom/xul/nsXULElement.cpp @@ -126,6 +126,8 @@ uint32_t nsXULPrototypeAttribute::gNumCacheSets; uint32_t nsXULPrototypeAttribute::gNumCacheFills; #endif +#define NS_DISPATCH_XUL_COMMAND (1 << 0) + class nsXULElementTearoff final : public nsIFrameLoaderOwner { ~nsXULElementTearoff() {} @@ -202,7 +204,7 @@ nsXULElement::Create(nsXULPrototypeElement* aPrototype, mozilla::dom::NodeInfo * element->SetHasID(); } if (aPrototype->mHasClassAttribute) { - element->SetFlags(NODE_MAY_HAVE_CLASS); + element->SetMayHaveClass(); } if (aPrototype->mHasStyleAttribute) { element->SetMayHaveStyle(); @@ -358,12 +360,15 @@ nsXULElement::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const attrValue.SetTo(*originalValue); } + bool oldValueSet; if (originalName->IsAtom()) { rv = element->mAttrsAndChildren.SetAndSwapAttr(originalName->Atom(), - attrValue); + attrValue, + &oldValueSet); } else { rv = element->mAttrsAndChildren.SetAndSwapAttr(originalName->NodeInfo(), - attrValue); + attrValue, + &oldValueSet); } NS_ENSURE_SUCCESS(rv, rv); element->AddListenerFor(*originalName, true); @@ -372,7 +377,7 @@ nsXULElement::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const element->SetHasID(); } if (originalName->Equals(nsGkAtoms::_class)) { - element->SetFlags(NODE_MAY_HAVE_CLASS); + element->SetMayHaveClass(); } if (originalName->Equals(nsGkAtoms::style)) { element->SetMayHaveStyle(); @@ -1005,7 +1010,7 @@ nsXULElement::UnregisterAccessKey(const nsAString& aOldValue) nsresult nsXULElement::BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName, - nsAttrValueOrString* aValue, bool aNotify) + const nsAttrValueOrString* aValue, bool aNotify) { if (aNamespaceID == kNameSpaceID_None && aName == nsGkAtoms::accesskey && IsInUncomposedDoc()) { @@ -1051,7 +1056,8 @@ nsXULElement::BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName, nsresult nsXULElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName, - const nsAttrValue* aValue, bool aNotify) + const nsAttrValue* aValue, + const nsAttrValue* aOldValue, bool aNotify) { if (aNamespaceID == kNameSpaceID_None) { if (aValue) { @@ -1172,7 +1178,7 @@ nsXULElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName, } return nsStyledElement::AfterSetAttr(aNamespaceID, aName, - aValue, aNotify); + aValue, aOldValue, aNotify); } bool @@ -1236,20 +1242,68 @@ nsXULElement::List(FILE* out, int32_t aIndent) const } #endif +bool +nsXULElement::IsEventStoppedFromAnonymousScrollbar(EventMessage aMessage) +{ + return (IsRootOfNativeAnonymousSubtree() && + IsAnyOfXULElements(nsGkAtoms::scrollbar, nsGkAtoms::scrollcorner) && + (aMessage == eMouseClick || aMessage == eMouseDoubleClick || + aMessage == eXULCommand || aMessage == eContextMenu || + aMessage == eDragStart)); +} + nsresult -nsXULElement::PreHandleEvent(EventChainPreVisitor& aVisitor) +nsXULElement::DispatchXULCommand(const EventChainVisitor& aVisitor, + nsAutoString& aCommand) +{ + // XXX sXBL/XBL2 issue! Owner or current document? + nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(GetUncomposedDoc())); + NS_ENSURE_STATE(domDoc); + nsCOMPtr<nsIDOMElement> commandElt; + domDoc->GetElementById(aCommand, getter_AddRefs(commandElt)); + nsCOMPtr<nsIContent> commandContent(do_QueryInterface(commandElt)); + if (commandContent) { + // Create a new command event to dispatch to the element + // pointed to by the command attribute. The new event's + // sourceEvent will be the original command event that we're + // handling. + nsCOMPtr<nsIDOMEvent> domEvent = aVisitor.mDOMEvent; + while (domEvent) { + Event* event = domEvent->InternalDOMEvent(); + NS_ENSURE_STATE(!SameCOMIdentity(event->GetOriginalTarget(), + commandContent)); + nsCOMPtr<nsIDOMXULCommandEvent> commandEvent = + do_QueryInterface(domEvent); + if (commandEvent) { + commandEvent->GetSourceEvent(getter_AddRefs(domEvent)); + } else { + domEvent = nullptr; + } + } + WidgetInputEvent* orig = aVisitor.mEvent->AsInputEvent(); + nsContentUtils::DispatchXULCommand( + commandContent, + orig->IsTrusted(), + aVisitor.mDOMEvent, + nullptr, + orig->IsControl(), + orig->IsAlt(), + orig->IsShift(), + orig->IsMeta()); + } else { + NS_WARNING("A XUL element is attached to a command that doesn't exist!\n"); + } + return NS_OK; +} + +nsresult +nsXULElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) { aVisitor.mForceContentDispatch = true; //FIXME! Bug 329119 - if (IsRootOfNativeAnonymousSubtree() && - (IsAnyOfXULElements(nsGkAtoms::scrollbar, nsGkAtoms::scrollcorner)) && - (aVisitor.mEvent->mMessage == eMouseClick || - aVisitor.mEvent->mMessage == eMouseDoubleClick || - aVisitor.mEvent->mMessage == eXULCommand || - aVisitor.mEvent->mMessage == eContextMenu || - aVisitor.mEvent->mMessage == eDragStart)) { + if (IsEventStoppedFromAnonymousScrollbar(aVisitor.mEvent->mMessage)) { // Don't propagate these events from native anonymous scrollbar. aVisitor.mCanHandle = true; - aVisitor.mParentTarget = nullptr; + aVisitor.SetParentTarget(nullptr, false); return NS_OK; } if (aVisitor.mEvent->mMessage == eXULCommand && @@ -1263,55 +1317,33 @@ nsXULElement::PreHandleEvent(EventChainPreVisitor& aVisitor) // See if we have a command elt. If so, we execute on the command // instead of on our content element. nsAutoString command; - if (xulEvent && GetAttr(kNameSpaceID_None, nsGkAtoms::command, command) && + if (xulEvent && + GetAttr(kNameSpaceID_None, nsGkAtoms::command, command) && !command.IsEmpty()) { // Stop building the event target chain for the original event. // We don't want it to propagate to any DOM nodes. aVisitor.mCanHandle = false; aVisitor.mAutomaticChromeDispatch = false; - - // XXX sXBL/XBL2 issue! Owner or current document? - nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(GetUncomposedDoc())); - NS_ENSURE_STATE(domDoc); - nsCOMPtr<nsIDOMElement> commandElt; - domDoc->GetElementById(command, getter_AddRefs(commandElt)); - nsCOMPtr<nsIContent> commandContent(do_QueryInterface(commandElt)); - if (commandContent) { - // Create a new command event to dispatch to the element - // pointed to by the command attribute. The new event's - // sourceEvent will be the original command event that we're - // handling. - nsCOMPtr<nsIDOMEvent> domEvent = aVisitor.mDOMEvent; - while (domEvent) { - Event* event = domEvent->InternalDOMEvent(); - NS_ENSURE_STATE(!SameCOMIdentity(event->GetOriginalTarget(), - commandContent)); - nsCOMPtr<nsIDOMXULCommandEvent> commandEvent = - do_QueryInterface(domEvent); - if (commandEvent) { - commandEvent->GetSourceEvent(getter_AddRefs(domEvent)); - } else { - domEvent = nullptr; - } - } - - WidgetInputEvent* orig = aVisitor.mEvent->AsInputEvent(); - nsContentUtils::DispatchXULCommand( - commandContent, - aVisitor.mEvent->IsTrusted(), - aVisitor.mDOMEvent, - nullptr, - orig->IsControl(), - orig->IsAlt(), - orig->IsShift(), - orig->IsMeta()); - } else { - NS_WARNING("A XUL element is attached to a command that doesn't exist!\n"); - } + // Dispatch XUL command in PreHandleEvent to prevent it breaks event + // target chain creation + aVisitor.mWantsPreHandleEvent = true; + aVisitor.mItemFlags |= NS_DISPATCH_XUL_COMMAND; return NS_OK; } } + return nsStyledElement::GetEventTargetParent(aVisitor); +} + +nsresult +nsXULElement::PreHandleEvent(EventChainVisitor& aVisitor) +{ + if (aVisitor.mItemFlags & NS_DISPATCH_XUL_COMMAND) { + nsAutoString command; + GetAttr(kNameSpaceID_None, nsGkAtoms::command, command); + MOZ_ASSERT(!command.IsEmpty()); + return DispatchXULCommand(aVisitor, command); + } return nsStyledElement::PreHandleEvent(aVisitor); } @@ -1880,12 +1912,14 @@ nsXULElement::MakeHeavyweight(nsXULPrototypeElement* aPrototype) attrValue.SetTo(protoattr->mValue); } + bool oldValueSet; // XXX we might wanna have a SetAndTakeAttr that takes an nsAttrName if (protoattr->mName.IsAtom()) { - rv = mAttrsAndChildren.SetAndSwapAttr(protoattr->mName.Atom(), attrValue); + rv = mAttrsAndChildren.SetAndSwapAttr(protoattr->mName.Atom(), + attrValue, &oldValueSet); } else { rv = mAttrsAndChildren.SetAndSwapAttr(protoattr->mName.NodeInfo(), - attrValue); + attrValue, &oldValueSet); } NS_ENSURE_SUCCESS(rv, rv); } |