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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/html/HTMLTextAreaElement.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/html/HTMLTextAreaElement.cpp')
-rw-r--r--dom/html/HTMLTextAreaElement.cpp1676
1 files changed, 1676 insertions, 0 deletions
diff --git a/dom/html/HTMLTextAreaElement.cpp b/dom/html/HTMLTextAreaElement.cpp
new file mode 100644
index 000000000..42bc02435
--- /dev/null
+++ b/dom/html/HTMLTextAreaElement.cpp
@@ -0,0 +1,1676 @@
+/* -*- 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/HTMLTextAreaElement.h"
+
+#include "mozAutoDocUpdate.h"
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/HTMLFormSubmission.h"
+#include "mozilla/dom/HTMLTextAreaElementBinding.h"
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/EventStates.h"
+#include "mozilla/MouseEvents.h"
+#include "nsAttrValueInlines.h"
+#include "nsContentCID.h"
+#include "nsContentCreatorFunctions.h"
+#include "nsError.h"
+#include "nsFocusManager.h"
+#include "nsIComponentManager.h"
+#include "nsIConstraintValidation.h"
+#include "nsIControllers.h"
+#include "nsIDocument.h"
+#include "nsIDOMHTMLFormElement.h"
+#include "nsIFormControlFrame.h"
+#include "nsIFormControl.h"
+#include "nsIForm.h"
+#include "nsIFrame.h"
+#include "nsISupportsPrimitives.h"
+#include "nsITextControlFrame.h"
+#include "nsLayoutUtils.h"
+#include "nsLinebreakConverter.h"
+#include "nsMappedAttributes.h"
+#include "nsPIDOMWindow.h"
+#include "nsPresContext.h"
+#include "nsPresState.h"
+#include "nsReadableUtils.h"
+#include "nsRuleData.h"
+#include "nsStyleConsts.h"
+#include "nsTextEditorState.h"
+#include "nsIController.h"
+
+static NS_DEFINE_CID(kXULControllersCID, NS_XULCONTROLLERS_CID);
+
+#define NS_NO_CONTENT_DISPATCH (1 << 0)
+
+NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(TextArea)
+
+namespace mozilla {
+namespace dom {
+
+HTMLTextAreaElement::HTMLTextAreaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
+ FromParser aFromParser)
+ : nsGenericHTMLFormElementWithState(aNodeInfo),
+ mValueChanged(false),
+ mLastValueChangeWasInteractive(false),
+ mHandlingSelect(false),
+ mDoneAddingChildren(!aFromParser),
+ mInhibitStateRestoration(!!(aFromParser & FROM_PARSER_FRAGMENT)),
+ mDisabledChanged(false),
+ mCanShowInvalidUI(true),
+ mCanShowValidUI(true),
+ mState(this)
+{
+ AddMutationObserver(this);
+
+ // Set up our default state. By default we're enabled (since we're
+ // a control type that can be disabled but not actually disabled
+ // right now), optional, and valid. We are NOT readwrite by default
+ // until someone calls UpdateEditableState on us, apparently! Also
+ // by default we don't have to show validity UI and so forth.
+ AddStatesSilently(NS_EVENT_STATE_ENABLED |
+ NS_EVENT_STATE_OPTIONAL |
+ NS_EVENT_STATE_VALID);
+}
+
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(HTMLTextAreaElement,
+ nsGenericHTMLFormElementWithState,
+ mValidity,
+ mControllers,
+ mState)
+
+NS_IMPL_ADDREF_INHERITED(HTMLTextAreaElement, Element)
+NS_IMPL_RELEASE_INHERITED(HTMLTextAreaElement, Element)
+
+
+// QueryInterface implementation for HTMLTextAreaElement
+NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLTextAreaElement)
+ NS_INTERFACE_TABLE_INHERITED(HTMLTextAreaElement,
+ nsIDOMHTMLTextAreaElement,
+ nsITextControlElement,
+ nsIDOMNSEditableElement,
+ nsIMutationObserver,
+ nsIConstraintValidation)
+NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLFormElementWithState)
+
+
+// nsIDOMHTMLTextAreaElement
+
+nsresult
+HTMLTextAreaElement::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const
+{
+ *aResult = nullptr;
+ already_AddRefed<mozilla::dom::NodeInfo> ni =
+ RefPtr<mozilla::dom::NodeInfo>(aNodeInfo).forget();
+ RefPtr<HTMLTextAreaElement> it = new HTMLTextAreaElement(ni);
+
+ nsresult rv = const_cast<HTMLTextAreaElement*>(this)->CopyInnerTo(it);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (mValueChanged) {
+ // Set our value on the clone.
+ nsAutoString value;
+ GetValueInternal(value, true);
+
+ // SetValueInternal handles setting mValueChanged for us
+ rv = it->SetValueInternal(value, nsTextEditorState::eSetValue_Notify);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ it->mLastValueChangeWasInteractive = mLastValueChangeWasInteractive;
+ it.forget(aResult);
+ return NS_OK;
+}
+
+// nsIConstraintValidation
+NS_IMPL_NSICONSTRAINTVALIDATION_EXCEPT_SETCUSTOMVALIDITY(HTMLTextAreaElement)
+
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetForm(nsIDOMHTMLFormElement** aForm)
+{
+ return nsGenericHTMLFormElementWithState::GetForm(aForm);
+}
+
+
+// nsIContent
+
+NS_IMETHODIMP
+HTMLTextAreaElement::Select()
+{
+ // XXX Bug? We have to give the input focus before contents can be
+ // selected
+
+ FocusTristate state = FocusState();
+ if (state == eUnfocusable) {
+ return NS_OK;
+ }
+
+ nsIFocusManager* fm = nsFocusManager::GetFocusManager();
+
+ RefPtr<nsPresContext> presContext = GetPresContext(eForComposedDoc);
+ if (state == eInactiveWindow) {
+ if (fm)
+ fm->SetFocus(this, nsIFocusManager::FLAG_NOSCROLL);
+ SelectAll(presContext);
+ return NS_OK;
+ }
+
+ nsEventStatus status = nsEventStatus_eIgnore;
+ WidgetGUIEvent event(true, eFormSelect, nullptr);
+ // XXXbz HTMLInputElement guards against this reentering; shouldn't we?
+ EventDispatcher::Dispatch(static_cast<nsIContent*>(this), presContext,
+ &event, nullptr, &status);
+
+ // If the DOM event was not canceled (e.g. by a JS event handler
+ // returning false)
+ if (status == nsEventStatus_eIgnore) {
+ if (fm) {
+ fm->SetFocus(this, nsIFocusManager::FLAG_NOSCROLL);
+
+ // ensure that the element is actually focused
+ nsCOMPtr<nsIDOMElement> focusedElement;
+ fm->GetFocusedElement(getter_AddRefs(focusedElement));
+ if (SameCOMIdentity(static_cast<nsIDOMNode*>(this), focusedElement)) {
+ // Now Select all the text!
+ SelectAll(presContext);
+ }
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SelectAll(nsPresContext* aPresContext)
+{
+ nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
+
+ if (formControlFrame) {
+ formControlFrame->SetFormProperty(nsGkAtoms::select, EmptyString());
+ }
+
+ return NS_OK;
+}
+
+bool
+HTMLTextAreaElement::IsHTMLFocusable(bool aWithMouse,
+ bool *aIsFocusable, int32_t *aTabIndex)
+{
+ if (nsGenericHTMLFormElementWithState::IsHTMLFocusable(aWithMouse, aIsFocusable,
+ aTabIndex))
+ {
+ return true;
+ }
+
+ // disabled textareas are not focusable
+ *aIsFocusable = !IsDisabled();
+ return false;
+}
+
+NS_IMPL_BOOL_ATTR(HTMLTextAreaElement, Autofocus, autofocus)
+NS_IMPL_UINT_ATTR_NON_ZERO_DEFAULT_VALUE(HTMLTextAreaElement, Cols, cols, DEFAULT_COLS)
+NS_IMPL_BOOL_ATTR(HTMLTextAreaElement, Disabled, disabled)
+NS_IMPL_NON_NEGATIVE_INT_ATTR(HTMLTextAreaElement, MaxLength, maxlength)
+NS_IMPL_NON_NEGATIVE_INT_ATTR(HTMLTextAreaElement, MinLength, minlength)
+NS_IMPL_STRING_ATTR(HTMLTextAreaElement, Name, name)
+NS_IMPL_BOOL_ATTR(HTMLTextAreaElement, ReadOnly, readonly)
+NS_IMPL_BOOL_ATTR(HTMLTextAreaElement, Required, required)
+NS_IMPL_UINT_ATTR_NON_ZERO_DEFAULT_VALUE(HTMLTextAreaElement, Rows, rows, DEFAULT_ROWS_TEXTAREA)
+NS_IMPL_STRING_ATTR(HTMLTextAreaElement, Wrap, wrap)
+NS_IMPL_STRING_ATTR(HTMLTextAreaElement, Placeholder, placeholder)
+
+int32_t
+HTMLTextAreaElement::TabIndexDefault()
+{
+ return 0;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetType(nsAString& aType)
+{
+ aType.AssignLiteral("textarea");
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetValue(nsAString& aValue)
+{
+ GetValueInternal(aValue, true);
+ return NS_OK;
+}
+
+void
+HTMLTextAreaElement::GetValueInternal(nsAString& aValue, bool aIgnoreWrap) const
+{
+ mState.GetValue(aValue, aIgnoreWrap);
+}
+
+NS_IMETHODIMP_(nsIEditor*)
+HTMLTextAreaElement::GetTextEditor()
+{
+ return GetEditor();
+}
+
+NS_IMETHODIMP_(nsISelectionController*)
+HTMLTextAreaElement::GetSelectionController()
+{
+ return mState.GetSelectionController();
+}
+
+NS_IMETHODIMP_(nsFrameSelection*)
+HTMLTextAreaElement::GetConstFrameSelection()
+{
+ return mState.GetConstFrameSelection();
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::BindToFrame(nsTextControlFrame* aFrame)
+{
+ return mState.BindToFrame(aFrame);
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::UnbindFromFrame(nsTextControlFrame* aFrame)
+{
+ if (aFrame) {
+ mState.UnbindFromFrame(aFrame);
+ }
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::CreateEditor()
+{
+ return mState.PrepareEditor();
+}
+
+NS_IMETHODIMP_(nsIContent*)
+HTMLTextAreaElement::GetRootEditorNode()
+{
+ return mState.GetRootNode();
+}
+
+NS_IMETHODIMP_(Element*)
+HTMLTextAreaElement::CreatePlaceholderNode()
+{
+ NS_ENSURE_SUCCESS(mState.CreatePlaceholderNode(), nullptr);
+ return mState.GetPlaceholderNode();
+}
+
+NS_IMETHODIMP_(Element*)
+HTMLTextAreaElement::GetPlaceholderNode()
+{
+ return mState.GetPlaceholderNode();
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::UpdatePlaceholderVisibility(bool aNotify)
+{
+ mState.UpdatePlaceholderVisibility(aNotify);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::GetPlaceholderVisibility()
+{
+ return mState.GetPlaceholderVisibility();
+}
+
+nsresult
+HTMLTextAreaElement::SetValueInternal(const nsAString& aValue,
+ uint32_t aFlags)
+{
+ // Need to set the value changed flag here, so that
+ // nsTextControlFrame::UpdateValueDisplay retrieves the correct value
+ // if needed.
+ SetValueChanged(true);
+ aFlags |= nsTextEditorState::eSetValue_Notify;
+ if (!mState.SetValue(aValue, aFlags)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetValue(const nsAString& aValue)
+{
+ // If the value has been set by a script, we basically want to keep the
+ // current change event state. If the element is ready to fire a change
+ // event, we should keep it that way. Otherwise, we should make sure the
+ // element will not fire any event because of the script interaction.
+ //
+ // NOTE: this is currently quite expensive work (too much string
+ // manipulation). We should probably optimize that.
+ nsAutoString currentValue;
+ GetValueInternal(currentValue, true);
+
+ nsresult rv =
+ SetValueInternal(aValue, nsTextEditorState::eSetValue_ByContent);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (mFocusedValue.Equals(currentValue)) {
+ GetValueInternal(mFocusedValue, true);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetUserInput(const nsAString& aValue)
+{
+ if (!nsContentUtils::IsCallerChrome()) {
+ return NS_ERROR_DOM_SECURITY_ERR;
+ }
+ return SetValueInternal(aValue, nsTextEditorState::eSetValue_BySetUserInput);
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetValueChanged(bool aValueChanged)
+{
+ bool previousValue = mValueChanged;
+
+ mValueChanged = aValueChanged;
+ if (!aValueChanged && !mState.IsEmpty()) {
+ mState.EmptyValue();
+ }
+
+ if (mValueChanged != previousValue) {
+ UpdateState(true);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetDefaultValue(nsAString& aDefaultValue)
+{
+ if (!nsContentUtils::GetNodeTextContent(this, false, aDefaultValue, fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetDefaultValue(const nsAString& aDefaultValue)
+{
+ ErrorResult error;
+ SetDefaultValue(aDefaultValue, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::SetDefaultValue(const nsAString& aDefaultValue, ErrorResult& aError)
+{
+ nsresult rv = nsContentUtils::SetNodeTextContent(this, aDefaultValue, true);
+ if (NS_SUCCEEDED(rv) && !mValueChanged) {
+ Reset();
+ }
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+}
+
+bool
+HTMLTextAreaElement::ParseAttribute(int32_t aNamespaceID,
+ nsIAtom* aAttribute,
+ const nsAString& aValue,
+ nsAttrValue& aResult)
+{
+ if (aNamespaceID == kNameSpaceID_None) {
+ if (aAttribute == nsGkAtoms::maxlength ||
+ aAttribute == nsGkAtoms::minlength) {
+ return aResult.ParseNonNegativeIntValue(aValue);
+ } else if (aAttribute == nsGkAtoms::cols) {
+ aResult.ParseIntWithFallback(aValue, DEFAULT_COLS);
+ return true;
+ } else if (aAttribute == nsGkAtoms::rows) {
+ aResult.ParseIntWithFallback(aValue, DEFAULT_ROWS_TEXTAREA);
+ return true;
+ }
+ }
+ return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+ aResult);
+}
+
+void
+HTMLTextAreaElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+ nsRuleData* aData)
+{
+ if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
+ // wrap=off
+ nsCSSValue* whiteSpace = aData->ValueForWhiteSpace();
+ if (whiteSpace->GetUnit() == eCSSUnit_Null) {
+ const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::wrap);
+ if (value && value->Type() == nsAttrValue::eString &&
+ value->Equals(nsGkAtoms::OFF, eIgnoreCase)) {
+ whiteSpace->SetIntValue(NS_STYLE_WHITESPACE_PRE, eCSSUnit_Enumerated);
+ }
+ }
+ }
+
+ nsGenericHTMLFormElementWithState::MapDivAlignAttributeInto(aAttributes, aData);
+ nsGenericHTMLFormElementWithState::MapCommonAttributesInto(aAttributes, aData);
+}
+
+nsChangeHint
+HTMLTextAreaElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
+ int32_t aModType) const
+{
+ nsChangeHint retval =
+ nsGenericHTMLFormElementWithState::GetAttributeChangeHint(aAttribute, aModType);
+ if (aAttribute == nsGkAtoms::rows ||
+ aAttribute == nsGkAtoms::cols) {
+ retval |= NS_STYLE_HINT_REFLOW;
+ } else if (aAttribute == nsGkAtoms::wrap) {
+ retval |= nsChangeHint_ReconstructFrame;
+ } else if (aAttribute == nsGkAtoms::placeholder) {
+ retval |= nsChangeHint_ReconstructFrame;
+ }
+ return retval;
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::IsAttributeMapped(const nsIAtom* aAttribute) const
+{
+ static const MappedAttributeEntry attributes[] = {
+ { &nsGkAtoms::wrap },
+ { nullptr }
+ };
+
+ static const MappedAttributeEntry* const map[] = {
+ attributes,
+ sDivAlignAttributeMap,
+ sCommonAttributeMap,
+ };
+
+ return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc
+HTMLTextAreaElement::GetAttributeMappingFunction() const
+{
+ return &MapAttributesIntoRule;
+}
+
+bool
+HTMLTextAreaElement::IsDisabledForEvents(EventMessage aMessage)
+{
+ nsIFormControlFrame* formControlFrame = GetFormControlFrame(false);
+ nsIFrame* formFrame = do_QueryFrame(formControlFrame);
+ return IsElementDisabledForEvents(aMessage, formFrame);
+}
+
+nsresult
+HTMLTextAreaElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
+{
+ aVisitor.mCanHandle = false;
+ if (IsDisabledForEvents(aVisitor.mEvent->mMessage)) {
+ return NS_OK;
+ }
+
+ // Don't dispatch a second select event if we are already handling
+ // one.
+ if (aVisitor.mEvent->mMessage == eFormSelect) {
+ if (mHandlingSelect) {
+ return NS_OK;
+ }
+ mHandlingSelect = true;
+ }
+
+ // If noContentDispatch is true we will not allow content to handle
+ // this event. But to allow middle mouse button paste to work we must allow
+ // middle clicks to go to text fields anyway.
+ if (aVisitor.mEvent->mFlags.mNoContentDispatch) {
+ aVisitor.mItemFlags |= NS_NO_CONTENT_DISPATCH;
+ }
+ if (aVisitor.mEvent->mMessage == eMouseClick &&
+ aVisitor.mEvent->AsMouseEvent()->button ==
+ WidgetMouseEvent::eMiddleButton) {
+ aVisitor.mEvent->mFlags.mNoContentDispatch = false;
+ }
+
+ // Fire onchange (if necessary), before we do the blur, bug 370521.
+ if (aVisitor.mEvent->mMessage == eBlur) {
+ FireChangeEventIfNeeded();
+ }
+
+ return nsGenericHTMLFormElementWithState::PreHandleEvent(aVisitor);
+}
+
+void
+HTMLTextAreaElement::FireChangeEventIfNeeded()
+{
+ nsString value;
+ GetValueInternal(value, true);
+
+ if (mFocusedValue.Equals(value)) {
+ return;
+ }
+
+ // Dispatch the change event.
+ mFocusedValue = value;
+ nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
+ static_cast<nsIContent*>(this),
+ NS_LITERAL_STRING("change"), true,
+ false);
+}
+
+nsresult
+HTMLTextAreaElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
+{
+ if (aVisitor.mEvent->mMessage == eFormSelect) {
+ mHandlingSelect = false;
+ }
+
+ if (aVisitor.mEvent->mMessage == eFocus ||
+ aVisitor.mEvent->mMessage == eBlur) {
+ 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);
+ }
+
+ // Reset the flag for other content besides this text field
+ aVisitor.mEvent->mFlags.mNoContentDispatch =
+ ((aVisitor.mItemFlags & NS_NO_CONTENT_DISPATCH) != 0);
+
+ 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) {
+ nsresult rv = GenerateStateKey();
+ if (NS_SUCCEEDED(rv)) {
+ RestoreFormControlState();
+ }
+ }
+ }
+
+ mDoneAddingChildren = true;
+}
+
+bool
+HTMLTextAreaElement::IsDoneAddingChildren()
+{
+ return mDoneAddingChildren;
+}
+
+// Controllers Methods
+
+nsIControllers*
+HTMLTextAreaElement::GetControllers(ErrorResult& aError)
+{
+ if (!mControllers)
+ {
+ nsresult rv;
+ mControllers = do_CreateInstance(kXULControllersCID, &rv);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return nullptr;
+ }
+
+ nsCOMPtr<nsIController> controller = do_CreateInstance("@mozilla.org/editor/editorcontroller;1", &rv);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return nullptr;
+ }
+
+ mControllers->AppendController(controller);
+
+ controller = do_CreateInstance("@mozilla.org/editor/editingcontroller;1", &rv);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return nullptr;
+ }
+
+ mControllers->AppendController(controller);
+ }
+
+ return mControllers;
+}
+
+NS_IMETHODIMP
+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();
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetTextLength(int32_t *aTextLength)
+{
+ NS_ENSURE_ARG_POINTER(aTextLength);
+ *aTextLength = GetTextLength();
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetSelectionStart(int32_t *aSelectionStart)
+{
+ NS_ENSURE_ARG_POINTER(aSelectionStart);
+
+ ErrorResult error;
+ Nullable<uint32_t> selStart(GetSelectionStart(error));
+ if (error.Failed()) {
+ return error.StealNSResult();
+ }
+
+ *aSelectionStart = int32_t(selStart.Value());
+ return error.StealNSResult();
+}
+
+Nullable<uint32_t>
+HTMLTextAreaElement::GetSelectionStart(ErrorResult& aError)
+{
+ int32_t selStart, selEnd;
+ nsresult rv = GetSelectionRange(&selStart, &selEnd);
+
+ if (NS_FAILED(rv) && mState.IsSelectionCached()) {
+ return Nullable<uint32_t>(mState.GetSelectionProperties().GetStart());
+ }
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+ return Nullable<uint32_t>(selStart);
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetSelectionStart(int32_t aSelectionStart)
+{
+ ErrorResult error;
+ Nullable<uint32_t> selStart(aSelectionStart);
+ SetSelectionStart(selStart, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::SetSelectionStart(const Nullable<uint32_t>& aSelectionStart,
+ ErrorResult& aError)
+{
+ int32_t selStart = 0;
+ if (!aSelectionStart.IsNull()) {
+ selStart = aSelectionStart.Value();
+ }
+
+ if (mState.IsSelectionCached()) {
+ mState.GetSelectionProperties().SetStart(selStart);
+ return;
+ }
+
+ nsAutoString direction;
+ nsresult rv = GetSelectionDirection(direction);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return;
+ }
+ int32_t start, end;
+ rv = GetSelectionRange(&start, &end);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return;
+ }
+ start = selStart;
+ if (end < start) {
+ end = start;
+ }
+ rv = SetSelectionRange(start, end, direction);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::GetSelectionEnd(int32_t *aSelectionEnd)
+{
+ NS_ENSURE_ARG_POINTER(aSelectionEnd);
+
+ ErrorResult error;
+ Nullable<uint32_t> selEnd(GetSelectionEnd(error));
+ if (error.Failed()) {
+ return error.StealNSResult();
+ }
+
+ *aSelectionEnd = int32_t(selEnd.Value());
+ return NS_OK;
+}
+
+Nullable<uint32_t>
+HTMLTextAreaElement::GetSelectionEnd(ErrorResult& aError)
+{
+ int32_t selStart, selEnd;
+ nsresult rv = GetSelectionRange(&selStart, &selEnd);
+
+ if (NS_FAILED(rv) && mState.IsSelectionCached()) {
+ return Nullable<uint32_t>(mState.GetSelectionProperties().GetEnd());
+ }
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+ return Nullable<uint32_t>(selEnd);
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetSelectionEnd(int32_t aSelectionEnd)
+{
+ ErrorResult error;
+ Nullable<uint32_t> selEnd(aSelectionEnd);
+ SetSelectionEnd(selEnd, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::SetSelectionEnd(const Nullable<uint32_t>& aSelectionEnd,
+ ErrorResult& aError)
+{
+ int32_t selEnd = 0;
+ if (!aSelectionEnd.IsNull()) {
+ selEnd = aSelectionEnd.Value();
+ }
+
+ if (mState.IsSelectionCached()) {
+ mState.GetSelectionProperties().SetEnd(selEnd);
+ return;
+ }
+
+ nsAutoString direction;
+ nsresult rv = GetSelectionDirection(direction);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return;
+ }
+ int32_t start, end;
+ rv = GetSelectionRange(&start, &end);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return;
+ }
+ end = selEnd;
+ if (start > end) {
+ start = end;
+ }
+ rv = SetSelectionRange(start, end, direction);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+}
+
+nsresult
+HTMLTextAreaElement::GetSelectionRange(int32_t* aSelectionStart,
+ int32_t* aSelectionEnd)
+{
+ nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
+ nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
+ if (textControlFrame) {
+ return textControlFrame->GetSelectionRange(aSelectionStart, aSelectionEnd);
+ }
+
+ return NS_ERROR_FAILURE;
+}
+
+static void
+DirectionToName(nsITextControlFrame::SelectionDirection dir, nsAString& aDirection)
+{
+ if (dir == nsITextControlFrame::eNone) {
+ aDirection.AssignLiteral("none");
+ } else if (dir == nsITextControlFrame::eForward) {
+ aDirection.AssignLiteral("forward");
+ } else if (dir == nsITextControlFrame::eBackward) {
+ aDirection.AssignLiteral("backward");
+ } else {
+ NS_NOTREACHED("Invalid SelectionDirection value");
+ }
+}
+
+nsresult
+HTMLTextAreaElement::GetSelectionDirection(nsAString& aDirection)
+{
+ ErrorResult error;
+ GetSelectionDirection(aDirection, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::GetSelectionDirection(nsAString& aDirection, ErrorResult& aError)
+{
+ nsresult rv = NS_ERROR_FAILURE;
+ nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
+ nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
+ if (textControlFrame) {
+ nsITextControlFrame::SelectionDirection dir;
+ rv = textControlFrame->GetSelectionRange(nullptr, nullptr, &dir);
+ if (NS_SUCCEEDED(rv)) {
+ DirectionToName(dir, aDirection);
+ }
+ }
+
+ if (NS_FAILED(rv)) {
+ if (mState.IsSelectionCached()) {
+ DirectionToName(mState.GetSelectionProperties().GetDirection(), aDirection);
+ return;
+ }
+ aError.Throw(rv);
+ }
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetSelectionDirection(const nsAString& aDirection)
+{
+ ErrorResult error;
+ SetSelectionDirection(aDirection, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::SetSelectionDirection(const nsAString& aDirection,
+ ErrorResult& aError)
+{
+ if (mState.IsSelectionCached()) {
+ nsITextControlFrame::SelectionDirection dir = nsITextControlFrame::eNone;
+ if (aDirection.EqualsLiteral("forward")) {
+ dir = nsITextControlFrame::eForward;
+ } else if (aDirection.EqualsLiteral("backward")) {
+ dir = nsITextControlFrame::eBackward;
+ }
+ mState.GetSelectionProperties().SetDirection(dir);
+ return;
+ }
+
+ int32_t start, end;
+ nsresult rv = GetSelectionRange(&start, &end);
+ if (NS_SUCCEEDED(rv)) {
+ rv = SetSelectionRange(start, end, aDirection);
+ }
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+}
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetSelectionRange(int32_t aSelectionStart,
+ int32_t aSelectionEnd,
+ const nsAString& aDirection)
+{
+ ErrorResult error;
+ Optional<nsAString> dir;
+ dir = &aDirection;
+ SetSelectionRange(aSelectionStart, aSelectionEnd, dir, error);
+ return error.StealNSResult();
+}
+
+void
+HTMLTextAreaElement::SetSelectionRange(uint32_t aSelectionStart,
+ uint32_t aSelectionEnd,
+ const Optional<nsAString>& aDirection,
+ ErrorResult& aError)
+{
+ nsresult rv = NS_ERROR_FAILURE;
+ nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
+ nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
+ if (textControlFrame) {
+ // Default to forward, even if not specified.
+ // Note that we don't currently support directionless selections, so
+ // "none" is treated like "forward".
+ nsITextControlFrame::SelectionDirection dir = nsITextControlFrame::eForward;
+ if (aDirection.WasPassed() && aDirection.Value().EqualsLiteral("backward")) {
+ dir = nsITextControlFrame::eBackward;
+ }
+
+ rv = textControlFrame->SetSelectionRange(aSelectionStart, aSelectionEnd, dir);
+ if (NS_SUCCEEDED(rv)) {
+ rv = textControlFrame->ScrollSelectionIntoView();
+ RefPtr<AsyncEventDispatcher> asyncDispatcher =
+ new AsyncEventDispatcher(this, NS_LITERAL_STRING("select"),
+ true, false);
+ asyncDispatcher->PostDOMEvent();
+ }
+ }
+
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ }
+}
+
+void
+HTMLTextAreaElement::SetRangeText(const nsAString& aReplacement,
+ ErrorResult& aRv)
+{
+ int32_t start, end;
+ aRv = GetSelectionRange(&start, &end);
+ if (aRv.Failed()) {
+ if (mState.IsSelectionCached()) {
+ start = mState.GetSelectionProperties().GetStart();
+ end = mState.GetSelectionProperties().GetEnd();
+ aRv = NS_OK;
+ }
+ }
+
+ SetRangeText(aReplacement, start, end, mozilla::dom::SelectionMode::Preserve,
+ aRv, start, end);
+}
+
+void
+HTMLTextAreaElement::SetRangeText(const nsAString& aReplacement,
+ uint32_t aStart, uint32_t aEnd,
+ const SelectionMode& aSelectMode,
+ ErrorResult& aRv, int32_t aSelectionStart,
+ int32_t aSelectionEnd)
+{
+ if (aStart > aEnd) {
+ aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
+ return;
+ }
+
+ nsAutoString value;
+ GetValueInternal(value, false);
+ uint32_t inputValueLength = value.Length();
+
+ if (aStart > inputValueLength) {
+ aStart = inputValueLength;
+ }
+
+ if (aEnd > inputValueLength) {
+ aEnd = inputValueLength;
+ }
+
+ if (aSelectionStart == -1 && aSelectionEnd == -1) {
+ aRv = GetSelectionRange(&aSelectionStart, &aSelectionEnd);
+ if (aRv.Failed()) {
+ if (mState.IsSelectionCached()) {
+ aSelectionStart = mState.GetSelectionProperties().GetStart();
+ aSelectionEnd = mState.GetSelectionProperties().GetEnd();
+ aRv = NS_OK;
+ }
+ }
+ }
+
+ if (aStart <= aEnd) {
+ value.Replace(aStart, aEnd - aStart, aReplacement);
+ nsresult rv =
+ SetValueInternal(value, nsTextEditorState::eSetValue_ByContent);
+ if (NS_FAILED(rv)) {
+ aRv.Throw(rv);
+ return;
+ }
+ }
+
+ uint32_t newEnd = aStart + aReplacement.Length();
+ int32_t delta = aReplacement.Length() - (aEnd - aStart);
+
+ switch (aSelectMode) {
+ case mozilla::dom::SelectionMode::Select:
+ {
+ aSelectionStart = aStart;
+ aSelectionEnd = newEnd;
+ }
+ break;
+ case mozilla::dom::SelectionMode::Start:
+ {
+ aSelectionStart = aSelectionEnd = aStart;
+ }
+ break;
+ case mozilla::dom::SelectionMode::End:
+ {
+ aSelectionStart = aSelectionEnd = newEnd;
+ }
+ break;
+ case mozilla::dom::SelectionMode::Preserve:
+ {
+ if ((uint32_t)aSelectionStart > aEnd) {
+ aSelectionStart += delta;
+ } else if ((uint32_t)aSelectionStart > aStart) {
+ aSelectionStart = aStart;
+ }
+
+ if ((uint32_t)aSelectionEnd > aEnd) {
+ aSelectionEnd += delta;
+ } else if ((uint32_t)aSelectionEnd > aStart) {
+ aSelectionEnd = newEnd;
+ }
+ }
+ break;
+ default:
+ MOZ_CRASH("Unknown mode!");
+ }
+
+ Optional<nsAString> direction;
+ SetSelectionRange(aSelectionStart, aSelectionEnd, direction, aRv);
+}
+
+nsresult
+HTMLTextAreaElement::Reset()
+{
+ nsresult rv;
+
+ // To get the initial spellchecking, reset value to
+ // empty string before setting the default value.
+ rv = SetValue(EmptyString());
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsAutoString resetVal;
+ GetDefaultValue(resetVal);
+ rv = SetValue(resetVal);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ SetValueChanged(false);
+ 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)
+ nsPresState *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;
+ }
+
+ nsCOMPtr<nsISupportsString> pState =
+ do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
+ if (!pState) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ pState->SetData(value);
+ state->SetStateProperty(pState);
+ }
+ }
+
+ 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->SetDisabled(HasAttr(kNameSpaceID_None, nsGkAtoms::disabled));
+ }
+ }
+ return rv;
+}
+
+bool
+HTMLTextAreaElement::RestoreState(nsPresState* aState)
+{
+ nsCOMPtr<nsISupportsString> state
+ (do_QueryInterface(aState->GetStateProperty()));
+
+ if (state) {
+ nsAutoString data;
+ state->GetData(data);
+ nsresult rv = SetValue(data);
+ NS_ENSURE_SUCCESS(rv, false);
+ }
+
+ if (aState->IsDisabledSet()) {
+ SetDisabled(aState->GetDisabled());
+ }
+
+ return false;
+}
+
+EventStates
+HTMLTextAreaElement::IntrinsicState() const
+{
+ EventStates state = nsGenericHTMLFormElementWithState::IntrinsicState();
+
+ if (HasAttr(kNameSpaceID_None, nsGkAtoms::required)) {
+ state |= NS_EVENT_STATE_REQUIRED;
+ } else {
+ state |= NS_EVENT_STATE_OPTIONAL;
+ }
+
+ 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 and never applies if novalidate is set on the form owner.
+ if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
+ (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 no form owner or its form owner doesn't have the
+ // novalidate attribute set ;
+ // 4. The element has already been modified or the user tried to submit the
+ // form owner while invalid.
+ if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
+ (mCanShowValidUI && ShouldShowValidityUI() &&
+ (IsValid() || (state.HasState(NS_EVENT_STATE_MOZ_UI_INVALID) &&
+ !mCanShowInvalidUI)))) {
+ state |= NS_EVENT_STATE_MOZ_UI_VALID;
+ }
+ }
+
+ if (HasAttr(kNameSpaceID_None, nsGkAtoms::placeholder) &&
+ IsValueEmpty()) {
+ state |= NS_EVENT_STATE_PLACEHOLDERSHOWN;
+ }
+
+ return state;
+}
+
+nsresult
+HTMLTextAreaElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+ nsIContent* aBindingParent,
+ bool aCompileEventHandlers)
+{
+ nsresult rv = nsGenericHTMLFormElementWithState::BindToTree(aDocument, aParent,
+ aBindingParent,
+ aCompileEventHandlers);
+ 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 aDeep, bool aNullParent)
+{
+ nsGenericHTMLFormElementWithState::UnbindFromTree(aDeep, 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, nsIAtom* aName,
+ nsAttrValueOrString* aValue,
+ bool aNotify)
+{
+ if (aNotify && aName == nsGkAtoms::disabled &&
+ aNameSpaceID == kNameSpaceID_None) {
+ mDisabledChanged = true;
+ }
+
+ return nsGenericHTMLFormElementWithState::BeforeSetAttr(aNameSpaceID, aName,
+ aValue, aNotify);
+}
+
+void
+HTMLTextAreaElement::CharacterDataChanged(nsIDocument* aDocument,
+ nsIContent* aContent,
+ CharacterDataChangeInfo* aInfo)
+{
+ ContentChanged(aContent);
+}
+
+void
+HTMLTextAreaElement::ContentAppended(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aFirstNewContent,
+ int32_t /* unused */)
+{
+ ContentChanged(aFirstNewContent);
+}
+
+void
+HTMLTextAreaElement::ContentInserted(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aChild,
+ int32_t /* unused */)
+{
+ ContentChanged(aChild);
+}
+
+void
+HTMLTextAreaElement::ContentRemoved(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aChild,
+ int32_t aIndexInContainer,
+ 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, nsIAtom* aName,
+ const nsAttrValue* aValue, bool aNotify)
+{
+ if (aNameSpaceID == kNameSpaceID_None) {
+ if (aName == nsGkAtoms::required || aName == nsGkAtoms::disabled ||
+ aName == nsGkAtoms::readonly) {
+ UpdateValueMissingValidityState();
+
+ // This *has* to be called *after* validity has changed.
+ if (aName == nsGkAtoms::readonly || aName == nsGkAtoms::disabled) {
+ UpdateBarredFromConstraintValidation();
+ }
+ } else if (aName == nsGkAtoms::maxlength) {
+ UpdateTooLongValidityState();
+ } else if (aName == nsGkAtoms::minlength) {
+ UpdateTooShortValidityState();
+ }
+
+ UpdateState(aNotify);
+ }
+
+ return nsGenericHTMLFormElementWithState::AfterSetAttr(aNameSpaceID, aName, aValue,
+ 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);
+ return static_cast<HTMLTextAreaElement*>(aDest)->SetValue(value);
+ }
+ 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();
+}
+
+// nsIConstraintValidation
+
+NS_IMETHODIMP
+HTMLTextAreaElement::SetCustomValidity(const nsAString& aError)
+{
+ nsIConstraintValidation::SetCustomValidity(aError);
+
+ UpdateState(true);
+
+ return NS_OK;
+}
+
+bool
+HTMLTextAreaElement::IsTooLong()
+{
+ if (!mValueChanged ||
+ !mLastValueChangeWasInteractive ||
+ !HasAttr(kNameSpaceID_None, nsGkAtoms::maxlength)) {
+ return false;
+ }
+
+ int32_t maxLength = -1;
+ GetMaxLength(&maxLength);
+
+ // Maxlength of -1 means parsing error.
+ if (maxLength == -1) {
+ return false;
+ }
+
+ int32_t textLength = -1;
+ GetTextLength(&textLength);
+
+ return textLength > maxLength;
+}
+
+bool
+HTMLTextAreaElement::IsTooShort()
+{
+ if (!mValueChanged ||
+ !mLastValueChangeWasInteractive ||
+ !HasAttr(kNameSpaceID_None, nsGkAtoms::minlength)) {
+ return false;
+ }
+
+ int32_t minLength = -1;
+ GetMinLength(&minLength);
+
+ // Minlength of -1 means parsing error.
+ if (minLength == -1) {
+ return false;
+ }
+
+ int32_t textLength = -1;
+ GetTextLength(&textLength);
+
+ return textLength && textLength < minLength;
+}
+
+bool
+HTMLTextAreaElement::IsValueMissing() const
+{
+ if (!HasAttr(kNameSpaceID_None, nsGkAtoms::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:
+ {
+ nsXPIDLString message;
+ int32_t maxLength = -1;
+ int32_t textLength = -1;
+ nsAutoString strMaxLength;
+ nsAutoString strTextLength;
+
+ GetMaxLength(&maxLength);
+ GetTextLength(&textLength);
+
+ strMaxLength.AppendInt(maxLength);
+ strTextLength.AppendInt(textLength);
+
+ const char16_t* params[] = { strMaxLength.get(), strTextLength.get() };
+ rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
+ "FormValidationTextTooLong",
+ params, message);
+ aValidationMessage = message;
+ }
+ break;
+ case VALIDITY_STATE_TOO_SHORT:
+ {
+ nsXPIDLString message;
+ int32_t minLength = -1;
+ int32_t textLength = -1;
+ nsAutoString strMinLength;
+ nsAutoString strTextLength;
+
+ GetMinLength(&minLength);
+ GetTextLength(&textLength);
+
+ strMinLength.AppendInt(minLength);
+ strTextLength.AppendInt(textLength);
+
+ const char16_t* params[] = { strMinLength.get(), strTextLength.get() };
+ rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
+ "FormValidationTextTooShort",
+ params, message);
+ aValidationMessage = message;
+ }
+ break;
+ case VALIDITY_STATE_VALUE_MISSING:
+ {
+ nsXPIDLString message;
+ rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
+ "FormValidationValueMissing",
+ message);
+ aValidationMessage = message;
+ }
+ break;
+ default:
+ rv = nsIConstraintValidation::GetValidationMessage(aValidationMessage, aType);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::IsSingleLineTextControl() const
+{
+ return false;
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::IsTextArea() const
+{
+ return true;
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::IsPlainTextControl() const
+{
+ // need to check our HTML attribute and/or CSS.
+ return true;
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::IsPasswordTextControl() const
+{
+ return false;
+}
+
+NS_IMETHODIMP_(int32_t)
+HTMLTextAreaElement::GetCols()
+{
+ return Cols();
+}
+
+NS_IMETHODIMP_(int32_t)
+HTMLTextAreaElement::GetWrapCols()
+{
+ // wrap=off means -1 for wrap width no matter what cols is
+ nsHTMLTextWrap wrapProp;
+ nsITextControlElement::GetWrapPropertyEnum(this, wrapProp);
+ if (wrapProp == nsITextControlElement::eHTMLTextWrap_Off) {
+ // do not wrap when wrap=off
+ return 0;
+ }
+
+ // Otherwise we just wrap at the given number of columns
+ return GetCols();
+}
+
+
+NS_IMETHODIMP_(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;
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::GetDefaultValueFromContent(nsAString& aValue)
+{
+ GetDefaultValue(aValue);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::ValueChanged() const
+{
+ return mValueChanged;
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::GetTextEditorValue(nsAString& aValue,
+ bool aIgnoreWrap) const
+{
+ mState.GetValue(aValue, aIgnoreWrap);
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::InitializeKeyboardEventListeners()
+{
+ mState.InitializeKeyboardEventListeners();
+}
+
+NS_IMETHODIMP_(void)
+HTMLTextAreaElement::OnValueChanged(bool aNotify, bool aWasInteractiveUserChange)
+{
+ mLastValueChangeWasInteractive = aWasInteractiveUserChange;
+
+ // Update the validity state
+ bool validBefore = IsValid();
+ UpdateTooLongValidityState();
+ UpdateTooShortValidityState();
+ UpdateValueMissingValidityState();
+
+ if (validBefore != IsValid() ||
+ HasAttr(kNameSpaceID_None, nsGkAtoms::placeholder)) {
+ UpdateState(aNotify);
+ }
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTextAreaElement::HasCachedSelection()
+{
+ return mState.IsSelectionCached();
+}
+
+void
+HTMLTextAreaElement::FieldSetDisabledChanged(bool aNotify)
+{
+ UpdateValueMissingValidityState();
+ UpdateBarredFromConstraintValidation();
+
+ nsGenericHTMLFormElementWithState::FieldSetDisabledChanged(aNotify);
+}
+
+JSObject*
+HTMLTextAreaElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return HTMLTextAreaElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace dom
+} // namespace mozilla