mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-04 02:09:05 +02:00
a4d842c063
Make TreeOrderedArray support what the form controls stuff needs, and use it instead of custom nsContentUtils stuff. Differential Revision: https://phabricator.services.mozilla.com/D201261
305 lines
11 KiB
C++
305 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/dom/HTMLFormControlsCollection.h"
|
|
|
|
#include "mozilla/FlushType.h"
|
|
#include "mozilla/dom/BindingUtils.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/HTMLFormControlsCollectionBinding.h"
|
|
#include "mozilla/dom/HTMLFormElement.h"
|
|
#include "nsGenericHTMLElement.h" // nsGenericHTMLFormElement
|
|
#include "nsQueryObject.h"
|
|
#include "nsIFormControl.h"
|
|
#include "RadioNodeList.h"
|
|
#include "jsfriendapi.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
/* static */
|
|
bool HTMLFormControlsCollection::ShouldBeInElements(
|
|
nsIFormControl* aFormControl) {
|
|
// For backwards compatibility (with 4.x and IE) we must not add
|
|
// <input type=image> elements to the list of form controls in a
|
|
// form.
|
|
|
|
switch (aFormControl->ControlType()) {
|
|
case FormControlType::ButtonButton:
|
|
case FormControlType::ButtonReset:
|
|
case FormControlType::ButtonSubmit:
|
|
case FormControlType::InputButton:
|
|
case FormControlType::InputCheckbox:
|
|
case FormControlType::InputColor:
|
|
case FormControlType::InputEmail:
|
|
case FormControlType::InputFile:
|
|
case FormControlType::InputHidden:
|
|
case FormControlType::InputReset:
|
|
case FormControlType::InputPassword:
|
|
case FormControlType::InputRadio:
|
|
case FormControlType::InputSearch:
|
|
case FormControlType::InputSubmit:
|
|
case FormControlType::InputText:
|
|
case FormControlType::InputTel:
|
|
case FormControlType::InputUrl:
|
|
case FormControlType::InputNumber:
|
|
case FormControlType::InputRange:
|
|
case FormControlType::InputDate:
|
|
case FormControlType::InputTime:
|
|
case FormControlType::InputMonth:
|
|
case FormControlType::InputWeek:
|
|
case FormControlType::InputDatetimeLocal:
|
|
case FormControlType::Select:
|
|
case FormControlType::Textarea:
|
|
case FormControlType::Fieldset:
|
|
case FormControlType::Object:
|
|
case FormControlType::Output:
|
|
case FormControlType::FormAssociatedCustomElement:
|
|
return true;
|
|
|
|
// These form control types are not supposed to end up in the
|
|
// form.elements array
|
|
// XXXbz maybe we should just return aType != InputImage or something
|
|
// instead of the big switch?
|
|
case FormControlType::InputImage:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
HTMLFormControlsCollection::HTMLFormControlsCollection(HTMLFormElement* aForm)
|
|
: mForm(aForm),
|
|
mNameLookupTable(HTMLFormElement::FORM_CONTROL_LIST_HASHTABLE_LENGTH) {}
|
|
|
|
HTMLFormControlsCollection::~HTMLFormControlsCollection() {
|
|
mForm = nullptr;
|
|
Clear();
|
|
}
|
|
|
|
void HTMLFormControlsCollection::DropFormReference() {
|
|
mForm = nullptr;
|
|
Clear();
|
|
}
|
|
|
|
void HTMLFormControlsCollection::Clear() {
|
|
// Null out childrens' pointer to me. No refcounting here
|
|
for (nsGenericHTMLFormElement* element : Reversed(mElements.AsList())) {
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryObject(element);
|
|
MOZ_ASSERT(formControl);
|
|
formControl->ClearForm(false, false);
|
|
}
|
|
mElements.Clear();
|
|
|
|
for (nsGenericHTMLFormElement* element : Reversed(mNotInElements.AsList())) {
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryObject(element);
|
|
MOZ_ASSERT(formControl);
|
|
formControl->ClearForm(false, false);
|
|
}
|
|
mNotInElements.Clear();
|
|
|
|
mNameLookupTable.Clear();
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLFormControlsCollection)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(HTMLFormControlsCollection)
|
|
// Note: We intentionally don't set tmp->mForm to nullptr here, since doing
|
|
// so may result in crashes because of inconsistent null-checking after the
|
|
// object gets unlinked.
|
|
tmp->Clear();
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(HTMLFormControlsCollection)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mNameLookupTable)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(HTMLFormControlsCollection)
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_END
|
|
|
|
// XPConnect interface list for HTMLFormControlsCollection
|
|
NS_INTERFACE_TABLE_HEAD(HTMLFormControlsCollection)
|
|
NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
|
|
NS_INTERFACE_TABLE(HTMLFormControlsCollection, nsIHTMLCollection)
|
|
NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(HTMLFormControlsCollection)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(HTMLFormControlsCollection)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(HTMLFormControlsCollection)
|
|
|
|
// nsIHTMLCollection interfac
|
|
|
|
uint32_t HTMLFormControlsCollection::Length() { return mElements->Length(); }
|
|
|
|
nsISupports* HTMLFormControlsCollection::NamedItemInternal(
|
|
const nsAString& aName) {
|
|
return mNameLookupTable.GetWeak(aName);
|
|
}
|
|
|
|
nsresult HTMLFormControlsCollection::AddElementToTable(
|
|
nsGenericHTMLFormElement* aChild, const nsAString& aName) {
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryObject(aChild);
|
|
MOZ_ASSERT(formControl);
|
|
if (!ShouldBeInElements(formControl)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return mForm->AddElementToTableInternal(mNameLookupTable, aChild, aName);
|
|
}
|
|
|
|
nsresult HTMLFormControlsCollection::IndexOfContent(nsIContent* aContent,
|
|
int32_t* aIndex) {
|
|
// Note -- not a DOM method; callers should handle flushing themselves
|
|
|
|
NS_ENSURE_ARG_POINTER(aIndex);
|
|
*aIndex = mElements->IndexOf(aContent);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLFormControlsCollection::RemoveElementFromTable(
|
|
nsGenericHTMLFormElement* aChild, const nsAString& aName) {
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryObject(aChild);
|
|
MOZ_ASSERT(formControl);
|
|
if (!ShouldBeInElements(formControl)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return mForm->RemoveElementFromTableInternal(mNameLookupTable, aChild, aName);
|
|
}
|
|
|
|
nsresult HTMLFormControlsCollection::GetSortedControls(
|
|
nsTArray<RefPtr<nsGenericHTMLFormElement>>& aControls) const {
|
|
#ifdef DEBUG
|
|
HTMLFormElement::AssertDocumentOrder(mElements, mForm);
|
|
HTMLFormElement::AssertDocumentOrder(mNotInElements, mForm);
|
|
#endif
|
|
|
|
aControls.Clear();
|
|
|
|
// Merge the elements list and the not in elements list. Both lists are
|
|
// already sorted.
|
|
uint32_t elementsLen = mElements->Length();
|
|
uint32_t notInElementsLen = mNotInElements->Length();
|
|
aControls.SetCapacity(elementsLen + notInElementsLen);
|
|
|
|
uint32_t elementsIdx = 0;
|
|
uint32_t notInElementsIdx = 0;
|
|
|
|
while (elementsIdx < elementsLen || notInElementsIdx < notInElementsLen) {
|
|
// Check whether we're done with mElements
|
|
if (elementsIdx == elementsLen) {
|
|
NS_ASSERTION(notInElementsIdx < notInElementsLen,
|
|
"Should have remaining not-in-elements");
|
|
// Append the remaining mNotInElements elements
|
|
// XXX(Bug 1631371) Check if this should use a fallible operation as it
|
|
// pretended earlier.
|
|
aControls.AppendElements(mNotInElements->Elements() + notInElementsIdx,
|
|
notInElementsLen - notInElementsIdx);
|
|
break;
|
|
}
|
|
// Check whether we're done with mNotInElements
|
|
if (notInElementsIdx == notInElementsLen) {
|
|
NS_ASSERTION(elementsIdx < elementsLen,
|
|
"Should have remaining in-elements");
|
|
// Append the remaining mElements elements
|
|
// XXX(Bug 1631371) Check if this should use a fallible operation as it
|
|
// pretended earlier.
|
|
aControls.AppendElements(mElements->Elements() + elementsIdx,
|
|
elementsLen - elementsIdx);
|
|
break;
|
|
}
|
|
// Both lists have elements left.
|
|
NS_ASSERTION(mElements->ElementAt(elementsIdx) &&
|
|
mNotInElements->ElementAt(notInElementsIdx),
|
|
"Should have remaining elements");
|
|
// Determine which of the two elements should be ordered
|
|
// first and add it to the end of the list.
|
|
nsGenericHTMLFormElement* elementToAdd;
|
|
if (nsContentUtils::CompareTreePosition<TreeKind::DOM>(
|
|
mElements->ElementAt(elementsIdx),
|
|
mNotInElements->ElementAt(notInElementsIdx), mForm) < 0) {
|
|
elementToAdd = mElements->ElementAt(elementsIdx);
|
|
++elementsIdx;
|
|
} else {
|
|
elementToAdd = mNotInElements->ElementAt(notInElementsIdx);
|
|
++notInElementsIdx;
|
|
}
|
|
// Add the first element to the list.
|
|
// XXX(Bug 1631371) Check if this should use a fallible operation as it
|
|
// pretended earlier.
|
|
aControls.AppendElement(elementToAdd);
|
|
}
|
|
|
|
NS_ASSERTION(aControls.Length() == elementsLen + notInElementsLen,
|
|
"Not all form controls were added to the sorted list");
|
|
#ifdef DEBUG
|
|
HTMLFormElement::AssertDocumentOrder(aControls, mForm);
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
Element* HTMLFormControlsCollection::GetElementAt(uint32_t aIndex) {
|
|
return mElements->SafeElementAt(aIndex, nullptr);
|
|
}
|
|
|
|
/* virtual */
|
|
nsINode* HTMLFormControlsCollection::GetParentObject() { return mForm; }
|
|
|
|
/* virtual */
|
|
Element* HTMLFormControlsCollection::GetFirstNamedElement(
|
|
const nsAString& aName, bool& aFound) {
|
|
Nullable<OwningRadioNodeListOrElement> maybeResult;
|
|
NamedGetter(aName, aFound, maybeResult);
|
|
if (!aFound) {
|
|
return nullptr;
|
|
}
|
|
MOZ_ASSERT(!maybeResult.IsNull());
|
|
const OwningRadioNodeListOrElement& result = maybeResult.Value();
|
|
if (result.IsElement()) {
|
|
return result.GetAsElement().get();
|
|
}
|
|
if (result.IsRadioNodeList()) {
|
|
RadioNodeList& nodelist = result.GetAsRadioNodeList();
|
|
return nodelist.Item(0)->AsElement();
|
|
}
|
|
MOZ_ASSERT_UNREACHABLE("Should only have Elements and NodeLists here.");
|
|
return nullptr;
|
|
}
|
|
|
|
void HTMLFormControlsCollection::NamedGetter(
|
|
const nsAString& aName, bool& aFound,
|
|
Nullable<OwningRadioNodeListOrElement>& aResult) {
|
|
nsISupports* item = NamedItemInternal(aName);
|
|
if (!item) {
|
|
aFound = false;
|
|
return;
|
|
}
|
|
aFound = true;
|
|
if (nsCOMPtr<Element> element = do_QueryInterface(item)) {
|
|
aResult.SetValue().SetAsElement() = element;
|
|
return;
|
|
}
|
|
if (nsCOMPtr<RadioNodeList> nodelist = do_QueryInterface(item)) {
|
|
aResult.SetValue().SetAsRadioNodeList() = nodelist;
|
|
return;
|
|
}
|
|
MOZ_ASSERT_UNREACHABLE("Should only have Elements and NodeLists here.");
|
|
}
|
|
|
|
void HTMLFormControlsCollection::GetSupportedNames(nsTArray<nsString>& aNames) {
|
|
// Just enumerate mNameLookupTable. This won't guarantee order, but
|
|
// that's OK, because the HTML5 spec doesn't define an order for
|
|
// this enumeration.
|
|
AppendToArray(aNames, mNameLookupTable.Keys());
|
|
}
|
|
|
|
/* virtual */
|
|
JSObject* HTMLFormControlsCollection::WrapObject(
|
|
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
|
|
return HTMLFormControlsCollection_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
} // namespace mozilla::dom
|