зеркало из https://github.com/mozilla/gecko-dev.git
1152 строки
35 KiB
C++
1152 строки
35 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLTextAreaElement.h"
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#include "mozAutoDocUpdate.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/HTMLFormSubmission.h"
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#include "mozilla/dom/HTMLTextAreaElementBinding.h"
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#include "mozilla/dom/MutationEventBinding.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/EventStates.h"
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#include "mozilla/MappedDeclarations.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/PresState.h"
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#include "mozilla/TextControlState.h"
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#include "nsAttrValueInlines.h"
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#include "nsBaseCommandController.h"
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#include "nsContentCID.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsError.h"
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#include "nsFocusManager.h"
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#include "nsIConstraintValidation.h"
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#include "nsIControllers.h"
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#include "mozilla/dom/Document.h"
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#include "nsIFormControlFrame.h"
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#include "nsIFormControl.h"
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#include "nsIForm.h"
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#include "nsIFrame.h"
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#include "nsITextControlFrame.h"
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#include "nsLayoutUtils.h"
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#include "nsLinebreakConverter.h"
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#include "nsMappedAttributes.h"
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#include "nsPIDOMWindow.h"
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#include "nsPresContext.h"
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#include "nsReadableUtils.h"
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#include "nsStyleConsts.h"
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#include "nsBaseCommandController.h"
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#include "nsTextControlFrame.h"
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#include "nsXULControllers.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(TextArea)
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namespace mozilla::dom {
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HTMLTextAreaElement::HTMLTextAreaElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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FromParser aFromParser)
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: TextControlElement(std::move(aNodeInfo), aFromParser,
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FormControlType::Textarea),
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mValueChanged(false),
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mLastValueChangeWasInteractive(false),
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mHandlingSelect(false),
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mDoneAddingChildren(!aFromParser),
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mInhibitStateRestoration(!!(aFromParser & FROM_PARSER_FRAGMENT)),
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mDisabledChanged(false),
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mCanShowInvalidUI(true),
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mCanShowValidUI(true),
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mIsPreviewEnabled(false),
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mAutocompleteAttrState(nsContentUtils::eAutocompleteAttrState_Unknown),
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mState(TextControlState::Construct(this)) {
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AddMutationObserver(this);
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// Set up our default state. By default we're enabled (since we're
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// a control type that can be disabled but not actually disabled
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// right now), optional, and valid. We are NOT readwrite by default
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// until someone calls UpdateEditableState on us, apparently! Also
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// by default we don't have to show validity UI and so forth.
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AddStatesSilently(NS_EVENT_STATE_ENABLED | NS_EVENT_STATE_OPTIONAL |
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NS_EVENT_STATE_VALID);
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}
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HTMLTextAreaElement::~HTMLTextAreaElement() {
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mState->Destroy();
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mState = nullptr;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLTextAreaElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLTextAreaElement,
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TextControlElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mControllers)
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if (tmp->mState) {
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tmp->mState->Traverse(cb);
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}
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLTextAreaElement,
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TextControlElement)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mControllers)
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if (tmp->mState) {
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tmp->mState->Unlink();
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(HTMLTextAreaElement,
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TextControlElement,
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nsIMutationObserver,
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nsIConstraintValidation)
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// nsIDOMHTMLTextAreaElement
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nsresult HTMLTextAreaElement::Clone(dom::NodeInfo* aNodeInfo,
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nsINode** aResult) const {
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*aResult = nullptr;
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RefPtr<HTMLTextAreaElement> it = new (aNodeInfo->NodeInfoManager())
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HTMLTextAreaElement(do_AddRef(aNodeInfo));
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nsresult rv = const_cast<HTMLTextAreaElement*>(this)->CopyInnerTo(it);
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NS_ENSURE_SUCCESS(rv, rv);
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if (mValueChanged) {
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// Set our value on the clone.
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nsAutoString value;
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GetValueInternal(value, true);
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// SetValueInternal handles setting mValueChanged for us
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if (NS_WARN_IF(
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NS_FAILED(rv = it->SetValueInternal(
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value, {ValueSetterOption::SetValueChanged})))) {
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return rv;
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}
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}
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it->SetLastValueChangeWasInteractive(mLastValueChangeWasInteractive);
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it.forget(aResult);
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return NS_OK;
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}
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// nsIContent
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void HTMLTextAreaElement::Select() {
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if (FocusState() != eUnfocusable) {
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if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
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fm->SetFocus(this, nsIFocusManager::FLAG_NOSCROLL);
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}
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}
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SetSelectionRange(0, UINT32_MAX, mozilla::dom::Optional<nsAString>(),
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IgnoreErrors());
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}
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NS_IMETHODIMP
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HTMLTextAreaElement::SelectAll(nsPresContext* aPresContext) {
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nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
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if (formControlFrame) {
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formControlFrame->SetFormProperty(nsGkAtoms::select, u""_ns);
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}
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return NS_OK;
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}
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bool HTMLTextAreaElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
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int32_t* aTabIndex) {
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if (nsGenericHTMLFormElementWithState::IsHTMLFocusable(
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aWithMouse, aIsFocusable, aTabIndex)) {
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return true;
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}
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// disabled textareas are not focusable
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*aIsFocusable = !IsDisabled();
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return false;
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}
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int32_t HTMLTextAreaElement::TabIndexDefault() { return 0; }
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void HTMLTextAreaElement::GetType(nsAString& aType) {
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aType.AssignLiteral("textarea");
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}
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void HTMLTextAreaElement::GetValue(nsAString& aValue) {
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GetValueInternal(aValue, true);
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MOZ_ASSERT(aValue.FindChar(static_cast<char16_t>('\r')) == -1);
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}
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void HTMLTextAreaElement::GetValueInternal(nsAString& aValue,
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bool aIgnoreWrap) const {
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MOZ_ASSERT(mState);
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mState->GetValue(aValue, aIgnoreWrap);
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}
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bool HTMLTextAreaElement::ValueEquals(const nsAString& aValue) const {
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MOZ_ASSERT(mState);
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return mState->ValueEquals(aValue);
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}
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nsIEditor* HTMLTextAreaElement::GetEditorForBindings() {
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if (!GetPrimaryFrame()) {
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GetPrimaryFrame(FlushType::Frames);
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}
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return GetTextEditor();
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}
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TextEditor* HTMLTextAreaElement::GetTextEditor() {
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MOZ_ASSERT(mState);
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return mState->GetTextEditor();
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}
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TextEditor* HTMLTextAreaElement::GetTextEditorWithoutCreation() {
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MOZ_ASSERT(mState);
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return mState->GetTextEditorWithoutCreation();
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}
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nsISelectionController* HTMLTextAreaElement::GetSelectionController() {
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MOZ_ASSERT(mState);
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return mState->GetSelectionController();
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}
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nsFrameSelection* HTMLTextAreaElement::GetConstFrameSelection() {
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MOZ_ASSERT(mState);
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return mState->GetConstFrameSelection();
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}
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nsresult HTMLTextAreaElement::BindToFrame(nsTextControlFrame* aFrame) {
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MOZ_ASSERT(!nsContentUtils::IsSafeToRunScript());
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MOZ_ASSERT(mState);
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return mState->BindToFrame(aFrame);
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}
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void HTMLTextAreaElement::UnbindFromFrame(nsTextControlFrame* aFrame) {
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MOZ_ASSERT(mState);
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if (aFrame) {
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mState->UnbindFromFrame(aFrame);
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}
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}
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nsresult HTMLTextAreaElement::CreateEditor() {
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MOZ_ASSERT(mState);
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return mState->PrepareEditor();
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}
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void HTMLTextAreaElement::SetPreviewValue(const nsAString& aValue) {
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MOZ_ASSERT(mState);
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mState->SetPreviewText(aValue, true);
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}
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void HTMLTextAreaElement::GetPreviewValue(nsAString& aValue) {
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MOZ_ASSERT(mState);
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mState->GetPreviewText(aValue);
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}
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void HTMLTextAreaElement::EnablePreview() {
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if (mIsPreviewEnabled) {
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return;
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}
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mIsPreviewEnabled = true;
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// Reconstruct the frame to append an anonymous preview node
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nsLayoutUtils::PostRestyleEvent(this, RestyleHint{0},
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nsChangeHint_ReconstructFrame);
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}
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bool HTMLTextAreaElement::IsPreviewEnabled() { return mIsPreviewEnabled; }
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nsresult HTMLTextAreaElement::SetValueInternal(
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const nsAString& aValue, const ValueSetterOptions& aOptions) {
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MOZ_ASSERT(mState);
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// Need to set the value changed flag here if our value has in fact changed
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// (i.e. if ValueSetterOption::SetValueChanged is in aOptions), so that
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// retrieves the correct value if needed.
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if (aOptions.contains(ValueSetterOption::SetValueChanged)) {
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SetValueChanged(true);
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}
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if (!mState->SetValue(aValue, aOptions)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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void HTMLTextAreaElement::SetValue(const nsAString& aValue,
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ErrorResult& aError) {
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// If the value has been set by a script, we basically want to keep the
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// current change event state. If the element is ready to fire a change
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// event, we should keep it that way. Otherwise, we should make sure the
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// element will not fire any event because of the script interaction.
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//
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// NOTE: this is currently quite expensive work (too much string
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// manipulation). We should probably optimize that.
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nsAutoString currentValue;
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GetValueInternal(currentValue, true);
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nsresult rv = SetValueInternal(
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aValue,
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{ValueSetterOption::ByContentAPI, ValueSetterOption::SetValueChanged,
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ValueSetterOption::MoveCursorToEndIfValueChanged});
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aError.Throw(rv);
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return;
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}
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if (mFocusedValue.Equals(currentValue)) {
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GetValueInternal(mFocusedValue, true);
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}
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}
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void HTMLTextAreaElement::SetUserInput(const nsAString& aValue,
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nsIPrincipal& aSubjectPrincipal) {
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SetValueInternal(aValue, {ValueSetterOption::BySetUserInputAPI,
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ValueSetterOption::SetValueChanged,
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ValueSetterOption::MoveCursorToEndIfValueChanged});
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}
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nsresult HTMLTextAreaElement::SetValueChanged(bool aValueChanged) {
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MOZ_ASSERT(mState);
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bool previousValue = mValueChanged;
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mValueChanged = aValueChanged;
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if (!aValueChanged && !mState->IsEmpty()) {
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mState->EmptyValue();
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}
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if (mValueChanged != previousValue) {
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UpdateTooLongValidityState();
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UpdateTooShortValidityState();
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// We need to do this unconditionally because the validity ui bits depend on
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// this.
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UpdateState(true);
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}
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return NS_OK;
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}
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void HTMLTextAreaElement::SetLastValueChangeWasInteractive(
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bool aWasInteractive) {
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if (aWasInteractive == mLastValueChangeWasInteractive) {
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return;
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}
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mLastValueChangeWasInteractive = aWasInteractive;
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const bool wasValid = IsValid();
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UpdateTooLongValidityState();
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UpdateTooShortValidityState();
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if (wasValid != IsValid()) {
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UpdateState(true);
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}
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}
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void HTMLTextAreaElement::GetDefaultValue(nsAString& aDefaultValue,
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ErrorResult& aError) {
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if (!nsContentUtils::GetNodeTextContent(this, false, aDefaultValue,
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fallible)) {
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aError.Throw(NS_ERROR_OUT_OF_MEMORY);
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}
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}
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void HTMLTextAreaElement::SetDefaultValue(const nsAString& aDefaultValue,
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ErrorResult& aError) {
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nsresult rv = nsContentUtils::SetNodeTextContent(this, aDefaultValue, true);
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if (NS_SUCCEEDED(rv) && !mValueChanged) {
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Reset();
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}
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if (NS_FAILED(rv)) {
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aError.Throw(rv);
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}
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}
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bool HTMLTextAreaElement::ParseAttribute(int32_t aNamespaceID,
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nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) {
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::maxlength ||
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aAttribute == nsGkAtoms::minlength) {
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return aResult.ParseNonNegativeIntValue(aValue);
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} else if (aAttribute == nsGkAtoms::cols) {
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aResult.ParseIntWithFallback(aValue, DEFAULT_COLS);
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return true;
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} else if (aAttribute == nsGkAtoms::rows) {
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aResult.ParseIntWithFallback(aValue, DEFAULT_ROWS_TEXTAREA);
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return true;
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} else if (aAttribute == nsGkAtoms::autocomplete) {
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aResult.ParseAtomArray(aValue);
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return true;
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aMaybeScriptedPrincipal, aResult);
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}
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void HTMLTextAreaElement::MapAttributesIntoRule(
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const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
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// wrap=off
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if (!aDecls.PropertyIsSet(eCSSProperty_white_space)) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::wrap);
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if (value && value->Type() == nsAttrValue::eString &&
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value->Equals(nsGkAtoms::OFF, eIgnoreCase)) {
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aDecls.SetKeywordValue(eCSSProperty_white_space, StyleWhiteSpace::Pre);
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}
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}
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nsGenericHTMLFormElementWithState::MapDivAlignAttributeInto(aAttributes,
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aDecls);
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nsGenericHTMLFormElementWithState::MapCommonAttributesInto(aAttributes,
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aDecls);
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}
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nsChangeHint HTMLTextAreaElement::GetAttributeChangeHint(
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const nsAtom* aAttribute, int32_t aModType) const {
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nsChangeHint retval =
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nsGenericHTMLFormElementWithState::GetAttributeChangeHint(aAttribute,
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aModType);
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const bool isAdditionOrRemoval =
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aModType == MutationEvent_Binding::ADDITION ||
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aModType == MutationEvent_Binding::REMOVAL;
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if (aAttribute == nsGkAtoms::rows || aAttribute == nsGkAtoms::cols) {
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retval |= NS_STYLE_HINT_REFLOW;
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} else if (aAttribute == nsGkAtoms::wrap) {
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retval |= nsChangeHint_ReconstructFrame;
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} else if (aAttribute == nsGkAtoms::placeholder && isAdditionOrRemoval) {
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retval |= nsChangeHint_ReconstructFrame;
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}
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return retval;
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}
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NS_IMETHODIMP_(bool)
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HTMLTextAreaElement::IsAttributeMapped(const nsAtom* aAttribute) const {
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static const MappedAttributeEntry attributes[] = {{nsGkAtoms::wrap},
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{nullptr}};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sDivAlignAttributeMap,
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sCommonAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc HTMLTextAreaElement::GetAttributeMappingFunction()
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const {
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return &MapAttributesIntoRule;
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}
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bool HTMLTextAreaElement::IsDisabledForEvents(WidgetEvent* aEvent) {
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nsIFormControlFrame* formControlFrame = GetFormControlFrame(false);
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nsIFrame* formFrame = do_QueryFrame(formControlFrame);
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return IsElementDisabledForEvents(aEvent, formFrame);
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}
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void HTMLTextAreaElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
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aVisitor.mCanHandle = false;
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if (IsDisabledForEvents(aVisitor.mEvent)) {
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return;
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}
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// Don't dispatch a second select event if we are already handling
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// one.
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if (aVisitor.mEvent->mMessage == eFormSelect) {
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if (mHandlingSelect) {
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return;
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}
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mHandlingSelect = true;
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}
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if (aVisitor.mEvent->mMessage == eBlur) {
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// Set mWantsPreHandleEvent and fire change event in PreHandleEvent to
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// prevent it breaks event target chain creation.
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aVisitor.mWantsPreHandleEvent = true;
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}
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nsGenericHTMLFormElementWithState::GetEventTargetParent(aVisitor);
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}
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nsresult HTMLTextAreaElement::PreHandleEvent(EventChainVisitor& aVisitor) {
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if (aVisitor.mEvent->mMessage == eBlur) {
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// Fire onchange (if necessary), before we do the blur, bug 370521.
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FireChangeEventIfNeeded();
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}
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return nsGenericHTMLFormElementWithState::PreHandleEvent(aVisitor);
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}
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void HTMLTextAreaElement::FireChangeEventIfNeeded() {
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nsString value;
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GetValueInternal(value, true);
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if (mFocusedValue.Equals(value)) {
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return;
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}
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// Dispatch the change event.
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mFocusedValue = value;
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nsContentUtils::DispatchTrustedEvent(
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OwnerDoc(), static_cast<nsIContent*>(this), u"change"_ns, CanBubble::eYes,
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Cancelable::eNo);
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}
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nsresult HTMLTextAreaElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
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if (aVisitor.mEvent->mMessage == eFormSelect) {
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mHandlingSelect = false;
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}
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if (aVisitor.mEvent->mMessage == eFocus ||
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aVisitor.mEvent->mMessage == eBlur) {
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if (aVisitor.mEvent->mMessage == eFocus) {
|
|
// If the invalid UI is shown, we should show it while focusing (and
|
|
// update). Otherwise, we should not.
|
|
GetValueInternal(mFocusedValue, true);
|
|
mCanShowInvalidUI = !IsValid() && ShouldShowValidityUI();
|
|
|
|
// If neither invalid UI nor valid UI is shown, we shouldn't show the
|
|
// valid UI while typing.
|
|
mCanShowValidUI = ShouldShowValidityUI();
|
|
} else { // eBlur
|
|
mCanShowInvalidUI = true;
|
|
mCanShowValidUI = true;
|
|
}
|
|
|
|
UpdateState(true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void HTMLTextAreaElement::DoneAddingChildren(bool aHaveNotified) {
|
|
if (!mValueChanged) {
|
|
if (!mDoneAddingChildren) {
|
|
// Reset now that we're done adding children if the content sink tried to
|
|
// sneak some text in without calling AppendChildTo.
|
|
Reset();
|
|
}
|
|
|
|
if (!mInhibitStateRestoration) {
|
|
GenerateStateKey();
|
|
RestoreFormControlState();
|
|
}
|
|
}
|
|
|
|
mDoneAddingChildren = true;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsDoneAddingChildren() { return mDoneAddingChildren; }
|
|
|
|
// Controllers Methods
|
|
|
|
nsIControllers* HTMLTextAreaElement::GetControllers(ErrorResult& aError) {
|
|
if (!mControllers) {
|
|
mControllers = new nsXULControllers();
|
|
if (!mControllers) {
|
|
aError.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<nsBaseCommandController> commandController =
|
|
nsBaseCommandController::CreateEditorController();
|
|
if (!commandController) {
|
|
aError.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
|
|
mControllers->AppendController(commandController);
|
|
|
|
commandController = nsBaseCommandController::CreateEditingController();
|
|
if (!commandController) {
|
|
aError.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
|
|
mControllers->AppendController(commandController);
|
|
}
|
|
|
|
return mControllers;
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::GetControllers(nsIControllers** aResult) {
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
ErrorResult error;
|
|
*aResult = GetControllers(error);
|
|
NS_IF_ADDREF(*aResult);
|
|
|
|
return error.StealNSResult();
|
|
}
|
|
|
|
uint32_t HTMLTextAreaElement::GetTextLength() {
|
|
nsAutoString val;
|
|
GetValue(val);
|
|
return val.Length();
|
|
}
|
|
|
|
Nullable<uint32_t> HTMLTextAreaElement::GetSelectionStart(ErrorResult& aError) {
|
|
uint32_t selStart, selEnd;
|
|
GetSelectionRange(&selStart, &selEnd, aError);
|
|
return Nullable<uint32_t>(selStart);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetSelectionStart(
|
|
const Nullable<uint32_t>& aSelectionStart, ErrorResult& aError) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetSelectionStart(aSelectionStart, aError);
|
|
}
|
|
|
|
Nullable<uint32_t> HTMLTextAreaElement::GetSelectionEnd(ErrorResult& aError) {
|
|
uint32_t selStart, selEnd;
|
|
GetSelectionRange(&selStart, &selEnd, aError);
|
|
return Nullable<uint32_t>(selEnd);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetSelectionEnd(
|
|
const Nullable<uint32_t>& aSelectionEnd, ErrorResult& aError) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetSelectionEnd(aSelectionEnd, aError);
|
|
}
|
|
|
|
void HTMLTextAreaElement::GetSelectionRange(uint32_t* aSelectionStart,
|
|
uint32_t* aSelectionEnd,
|
|
ErrorResult& aRv) {
|
|
MOZ_ASSERT(mState);
|
|
return mState->GetSelectionRange(aSelectionStart, aSelectionEnd, aRv);
|
|
}
|
|
|
|
void HTMLTextAreaElement::GetSelectionDirection(nsAString& aDirection,
|
|
ErrorResult& aError) {
|
|
MOZ_ASSERT(mState);
|
|
mState->GetSelectionDirectionString(aDirection, aError);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetSelectionDirection(const nsAString& aDirection,
|
|
ErrorResult& aError) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetSelectionDirection(aDirection, aError);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetSelectionRange(
|
|
uint32_t aSelectionStart, uint32_t aSelectionEnd,
|
|
const Optional<nsAString>& aDirection, ErrorResult& aError) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetSelectionRange(aSelectionStart, aSelectionEnd, aDirection, aError);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetRangeText(const nsAString& aReplacement,
|
|
ErrorResult& aRv) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetRangeText(aReplacement, aRv);
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetRangeText(const nsAString& aReplacement,
|
|
uint32_t aStart, uint32_t aEnd,
|
|
SelectionMode aSelectMode,
|
|
ErrorResult& aRv) {
|
|
MOZ_ASSERT(mState);
|
|
mState->SetRangeText(aReplacement, aStart, aEnd, aSelectMode, aRv);
|
|
}
|
|
|
|
void HTMLTextAreaElement::GetValueFromSetRangeText(nsAString& aValue) {
|
|
GetValueInternal(aValue, false);
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::SetValueFromSetRangeText(
|
|
const nsAString& aValue) {
|
|
return SetValueInternal(aValue, {ValueSetterOption::ByContentAPI,
|
|
ValueSetterOption::BySetRangeTextAPI,
|
|
ValueSetterOption::SetValueChanged});
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::Reset() {
|
|
nsAutoString resetVal;
|
|
GetDefaultValue(resetVal, IgnoreErrors());
|
|
SetValueChanged(false);
|
|
|
|
nsresult rv = SetValueInternal(resetVal, ValueSetterOption::ByInternalAPI);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLTextAreaElement::SubmitNamesValues(HTMLFormSubmission* aFormSubmission) {
|
|
// Disabled elements don't submit
|
|
if (IsDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Get the name (if no name, no submit)
|
|
//
|
|
nsAutoString name;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
|
|
if (name.IsEmpty()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Get the value
|
|
//
|
|
nsAutoString value;
|
|
GetValueInternal(value, false);
|
|
|
|
//
|
|
// Submit
|
|
//
|
|
return aFormSubmission->AddNameValuePair(name, value);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLTextAreaElement::SaveState() {
|
|
nsresult rv = NS_OK;
|
|
|
|
// Only save if value != defaultValue (bug 62713)
|
|
PresState* state = nullptr;
|
|
if (mValueChanged) {
|
|
state = GetPrimaryPresState();
|
|
if (state) {
|
|
nsAutoString value;
|
|
GetValueInternal(value, true);
|
|
|
|
rv = nsLinebreakConverter::ConvertStringLineBreaks(
|
|
value, nsLinebreakConverter::eLinebreakPlatform,
|
|
nsLinebreakConverter::eLinebreakContent);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
NS_ERROR("Converting linebreaks failed!");
|
|
return rv;
|
|
}
|
|
|
|
state->contentData() =
|
|
TextContentData(value, mLastValueChangeWasInteractive);
|
|
}
|
|
}
|
|
|
|
if (mDisabledChanged) {
|
|
if (!state) {
|
|
state = GetPrimaryPresState();
|
|
rv = NS_OK;
|
|
}
|
|
if (state) {
|
|
// We do not want to save the real disabled state but the disabled
|
|
// attribute.
|
|
state->disabled() = HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
|
|
state->disabledSet() = true;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::RestoreState(PresState* aState) {
|
|
const PresContentData& state = aState->contentData();
|
|
|
|
if (state.type() == PresContentData::TTextContentData) {
|
|
ErrorResult rv;
|
|
SetValue(state.get_TextContentData().value(), rv);
|
|
ENSURE_SUCCESS(rv, false);
|
|
if (state.get_TextContentData().lastValueChangeWasInteractive()) {
|
|
SetLastValueChangeWasInteractive(true);
|
|
}
|
|
}
|
|
if (aState->disabledSet() && !aState->disabled()) {
|
|
SetDisabled(false, IgnoreErrors());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
EventStates HTMLTextAreaElement::IntrinsicState() const {
|
|
EventStates state = nsGenericHTMLFormElementWithState::IntrinsicState();
|
|
|
|
if (IsCandidateForConstraintValidation()) {
|
|
if (IsValid()) {
|
|
state |= NS_EVENT_STATE_VALID;
|
|
} else {
|
|
state |= NS_EVENT_STATE_INVALID;
|
|
// :-moz-ui-invalid always apply if the element suffers from a custom
|
|
// error.
|
|
if (GetValidityState(VALIDITY_STATE_CUSTOM_ERROR) ||
|
|
(mCanShowInvalidUI && ShouldShowValidityUI())) {
|
|
state |= NS_EVENT_STATE_MOZ_UI_INVALID;
|
|
}
|
|
}
|
|
|
|
// :-moz-ui-valid applies if all the following are true:
|
|
// 1. The element is not focused, or had either :-moz-ui-valid or
|
|
// :-moz-ui-invalid applying before it was focused ;
|
|
// 2. The element is either valid or isn't allowed to have
|
|
// :-moz-ui-invalid applying ;
|
|
// 3. The element has already been modified or the user tried to submit the
|
|
// form owner while invalid.
|
|
if (mCanShowValidUI && ShouldShowValidityUI() &&
|
|
(IsValid() || (state.HasState(NS_EVENT_STATE_MOZ_UI_INVALID) &&
|
|
!mCanShowInvalidUI))) {
|
|
state |= NS_EVENT_STATE_MOZ_UI_VALID;
|
|
}
|
|
}
|
|
|
|
if (HasAttr(nsGkAtoms::placeholder) && IsValueEmpty()) {
|
|
state |= NS_EVENT_STATE_PLACEHOLDERSHOWN;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::BindToTree(BindContext& aContext,
|
|
nsINode& aParent) {
|
|
nsresult rv =
|
|
nsGenericHTMLFormElementWithState::BindToTree(aContext, aParent);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// If there is a disabled fieldset in the parent chain, the element is now
|
|
// barred from constraint validation and can't suffer from value missing.
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateState(false);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void HTMLTextAreaElement::UnbindFromTree(bool aNullParent) {
|
|
nsGenericHTMLFormElementWithState::UnbindFromTree(aNullParent);
|
|
|
|
// We might be no longer disabled because of parent chain changed.
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateState(false);
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValueOrString* aValue,
|
|
bool aNotify) {
|
|
if (aNotify && aName == nsGkAtoms::disabled &&
|
|
aNameSpaceID == kNameSpaceID_None) {
|
|
mDisabledChanged = true;
|
|
}
|
|
|
|
return nsGenericHTMLFormElementWithState::BeforeSetAttr(aNameSpaceID, aName,
|
|
aValue, aNotify);
|
|
}
|
|
|
|
void HTMLTextAreaElement::CharacterDataChanged(nsIContent* aContent,
|
|
const CharacterDataChangeInfo&) {
|
|
ContentChanged(aContent);
|
|
}
|
|
|
|
void HTMLTextAreaElement::ContentAppended(nsIContent* aFirstNewContent) {
|
|
ContentChanged(aFirstNewContent);
|
|
}
|
|
|
|
void HTMLTextAreaElement::ContentInserted(nsIContent* aChild) {
|
|
ContentChanged(aChild);
|
|
}
|
|
|
|
void HTMLTextAreaElement::ContentRemoved(nsIContent* aChild,
|
|
nsIContent* aPreviousSibling) {
|
|
ContentChanged(aChild);
|
|
}
|
|
|
|
void HTMLTextAreaElement::ContentChanged(nsIContent* aContent) {
|
|
if (!mValueChanged && mDoneAddingChildren &&
|
|
nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
|
|
// Hard to say what the reset can trigger, so be safe pending
|
|
// further auditing.
|
|
nsCOMPtr<nsIMutationObserver> kungFuDeathGrip(this);
|
|
Reset();
|
|
}
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue,
|
|
nsIPrincipal* aSubjectPrincipal,
|
|
bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::required || aName == nsGkAtoms::disabled ||
|
|
aName == nsGkAtoms::readonly) {
|
|
if (aName == nsGkAtoms::disabled) {
|
|
// This *has* to be called *before* validity state check because
|
|
// UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState depend on our disabled state.
|
|
UpdateDisabledState(aNotify);
|
|
}
|
|
|
|
if (aName == nsGkAtoms::required) {
|
|
// This *has* to be called *before* UpdateValueMissingValidityState
|
|
// because UpdateValueMissingValidityState depends on our required
|
|
// state.
|
|
UpdateRequiredState(!!aValue, aNotify);
|
|
}
|
|
|
|
UpdateValueMissingValidityState();
|
|
|
|
// This *has* to be called *after* validity has changed.
|
|
if (aName == nsGkAtoms::readonly || aName == nsGkAtoms::disabled) {
|
|
UpdateBarredFromConstraintValidation();
|
|
}
|
|
} else if (aName == nsGkAtoms::autocomplete) {
|
|
// Clear the cached @autocomplete attribute state.
|
|
mAutocompleteAttrState = nsContentUtils::eAutocompleteAttrState_Unknown;
|
|
} else if (aName == nsGkAtoms::maxlength) {
|
|
UpdateTooLongValidityState();
|
|
} else if (aName == nsGkAtoms::minlength) {
|
|
UpdateTooShortValidityState();
|
|
} else if (aName == nsGkAtoms::placeholder) {
|
|
if (nsTextControlFrame* f = do_QueryFrame(GetPrimaryFrame())) {
|
|
f->PlaceholderChanged(aOldValue, aValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormElementWithState::AfterSetAttr(
|
|
aNameSpaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::CopyInnerTo(Element* aDest) {
|
|
nsresult rv = nsGenericHTMLFormElementWithState::CopyInnerTo(aDest);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aDest->OwnerDoc()->IsStaticDocument()) {
|
|
nsAutoString value;
|
|
GetValueInternal(value, true);
|
|
ErrorResult ret;
|
|
static_cast<HTMLTextAreaElement*>(aDest)->SetValue(value, ret);
|
|
return ret.StealNSResult();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsMutable() const {
|
|
return (!HasAttr(kNameSpaceID_None, nsGkAtoms::readonly) && !IsDisabled());
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsValueEmpty() const {
|
|
nsAutoString value;
|
|
GetValueInternal(value, true);
|
|
|
|
return value.IsEmpty();
|
|
}
|
|
|
|
void HTMLTextAreaElement::SetCustomValidity(const nsAString& aError) {
|
|
nsIConstraintValidation::SetCustomValidity(aError);
|
|
|
|
UpdateState(true);
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsTooLong() {
|
|
if (!mValueChanged || !mLastValueChangeWasInteractive ||
|
|
!HasAttr(nsGkAtoms::maxlength)) {
|
|
return false;
|
|
}
|
|
|
|
int32_t maxLength = MaxLength();
|
|
|
|
// Maxlength of -1 means parsing error.
|
|
if (maxLength == -1) {
|
|
return false;
|
|
}
|
|
|
|
int32_t textLength = GetTextLength();
|
|
|
|
return textLength > maxLength;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsTooShort() {
|
|
if (!mValueChanged || !mLastValueChangeWasInteractive ||
|
|
!HasAttr(nsGkAtoms::minlength)) {
|
|
return false;
|
|
}
|
|
|
|
int32_t minLength = MinLength();
|
|
|
|
// Minlength of -1 means parsing error.
|
|
if (minLength == -1) {
|
|
return false;
|
|
}
|
|
|
|
int32_t textLength = GetTextLength();
|
|
|
|
return textLength && textLength < minLength;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsValueMissing() const {
|
|
if (!Required() || !IsMutable()) {
|
|
return false;
|
|
}
|
|
|
|
return IsValueEmpty();
|
|
}
|
|
|
|
void HTMLTextAreaElement::UpdateTooLongValidityState() {
|
|
SetValidityState(VALIDITY_STATE_TOO_LONG, IsTooLong());
|
|
}
|
|
|
|
void HTMLTextAreaElement::UpdateTooShortValidityState() {
|
|
SetValidityState(VALIDITY_STATE_TOO_SHORT, IsTooShort());
|
|
}
|
|
|
|
void HTMLTextAreaElement::UpdateValueMissingValidityState() {
|
|
SetValidityState(VALIDITY_STATE_VALUE_MISSING, IsValueMissing());
|
|
}
|
|
|
|
void HTMLTextAreaElement::UpdateBarredFromConstraintValidation() {
|
|
SetBarredFromConstraintValidation(
|
|
HasAttr(kNameSpaceID_None, nsGkAtoms::readonly) || IsDisabled());
|
|
}
|
|
|
|
nsresult HTMLTextAreaElement::GetValidationMessage(
|
|
nsAString& aValidationMessage, ValidityStateType aType) {
|
|
nsresult rv = NS_OK;
|
|
|
|
switch (aType) {
|
|
case VALIDITY_STATE_TOO_LONG: {
|
|
nsAutoString message;
|
|
int32_t maxLength = MaxLength();
|
|
int32_t textLength = GetTextLength();
|
|
nsAutoString strMaxLength;
|
|
nsAutoString strTextLength;
|
|
|
|
strMaxLength.AppendInt(maxLength);
|
|
strTextLength.AppendInt(textLength);
|
|
|
|
rv = nsContentUtils::FormatMaybeLocalizedString(
|
|
message, nsContentUtils::eDOM_PROPERTIES, "FormValidationTextTooLong",
|
|
OwnerDoc(), strMaxLength, strTextLength);
|
|
aValidationMessage = message;
|
|
} break;
|
|
case VALIDITY_STATE_TOO_SHORT: {
|
|
nsAutoString message;
|
|
int32_t minLength = MinLength();
|
|
int32_t textLength = GetTextLength();
|
|
nsAutoString strMinLength;
|
|
nsAutoString strTextLength;
|
|
|
|
strMinLength.AppendInt(minLength);
|
|
strTextLength.AppendInt(textLength);
|
|
|
|
rv = nsContentUtils::FormatMaybeLocalizedString(
|
|
message, nsContentUtils::eDOM_PROPERTIES,
|
|
"FormValidationTextTooShort", OwnerDoc(), strMinLength,
|
|
strTextLength);
|
|
aValidationMessage = message;
|
|
} break;
|
|
case VALIDITY_STATE_VALUE_MISSING: {
|
|
nsAutoString message;
|
|
rv = nsContentUtils::GetMaybeLocalizedString(
|
|
nsContentUtils::eDOM_PROPERTIES, "FormValidationValueMissing",
|
|
OwnerDoc(), message);
|
|
aValidationMessage = message;
|
|
} break;
|
|
default:
|
|
rv = nsIConstraintValidation::GetValidationMessage(aValidationMessage,
|
|
aType);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
bool HTMLTextAreaElement::IsSingleLineTextControl() const { return false; }
|
|
|
|
bool HTMLTextAreaElement::IsTextArea() const { return true; }
|
|
|
|
bool HTMLTextAreaElement::IsPasswordTextControl() const { return false; }
|
|
|
|
int32_t HTMLTextAreaElement::GetCols() { return Cols(); }
|
|
|
|
int32_t HTMLTextAreaElement::GetWrapCols() {
|
|
nsHTMLTextWrap wrapProp;
|
|
TextControlElement::GetWrapPropertyEnum(this, wrapProp);
|
|
if (wrapProp == TextControlElement::eHTMLTextWrap_Off) {
|
|
// do not wrap when wrap=off
|
|
return 0;
|
|
}
|
|
|
|
// Otherwise we just wrap at the given number of columns
|
|
return GetCols();
|
|
}
|
|
|
|
int32_t HTMLTextAreaElement::GetRows() {
|
|
const nsAttrValue* attr = GetParsedAttr(nsGkAtoms::rows);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
int32_t rows = attr->GetIntegerValue();
|
|
return (rows <= 0) ? DEFAULT_ROWS_TEXTAREA : rows;
|
|
}
|
|
|
|
return DEFAULT_ROWS_TEXTAREA;
|
|
}
|
|
|
|
void HTMLTextAreaElement::GetDefaultValueFromContent(nsAString& aValue) {
|
|
GetDefaultValue(aValue, IgnoreErrors());
|
|
}
|
|
|
|
bool HTMLTextAreaElement::ValueChanged() const { return mValueChanged; }
|
|
|
|
void HTMLTextAreaElement::GetTextEditorValue(nsAString& aValue,
|
|
bool aIgnoreWrap) const {
|
|
MOZ_ASSERT(mState);
|
|
mState->GetValue(aValue, aIgnoreWrap);
|
|
}
|
|
|
|
void HTMLTextAreaElement::InitializeKeyboardEventListeners() {
|
|
MOZ_ASSERT(mState);
|
|
mState->InitializeKeyboardEventListeners();
|
|
}
|
|
|
|
void HTMLTextAreaElement::OnValueChanged(ValueChangeKind aKind) {
|
|
if (aKind != ValueChangeKind::Internal) {
|
|
mLastValueChangeWasInteractive = aKind == ValueChangeKind::UserInteraction;
|
|
}
|
|
|
|
// Update the validity state
|
|
bool validBefore = IsValid();
|
|
UpdateTooLongValidityState();
|
|
UpdateTooShortValidityState();
|
|
UpdateValueMissingValidityState();
|
|
|
|
if (validBefore != IsValid() || HasAttr(nsGkAtoms::placeholder)) {
|
|
UpdateState(true);
|
|
}
|
|
}
|
|
|
|
bool HTMLTextAreaElement::HasCachedSelection() {
|
|
MOZ_ASSERT(mState);
|
|
return mState->IsSelectionCached();
|
|
}
|
|
|
|
void HTMLTextAreaElement::FieldSetDisabledChanged(bool aNotify) {
|
|
// This *has* to be called before UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState because these two functions depend on our
|
|
// disabled state.
|
|
nsGenericHTMLFormElementWithState::FieldSetDisabledChanged(aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
UpdateState(aNotify);
|
|
}
|
|
|
|
JSObject* HTMLTextAreaElement::WrapNode(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) {
|
|
return HTMLTextAreaElement_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
void HTMLTextAreaElement::GetAutocomplete(DOMString& aValue) {
|
|
const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
|
|
|
|
mAutocompleteAttrState = nsContentUtils::SerializeAutocompleteAttribute(
|
|
attributeVal, aValue, mAutocompleteAttrState);
|
|
}
|
|
|
|
} // namespace mozilla::dom
|