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/* -*- 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 */
#ifndef mozilla_dom_HTMLInputElement_h
#define mozilla_dom_HTMLInputElement_h
#include "mozilla/Attributes.h"
#include "mozilla/Decimal.h"
#include "mozilla/TextControlElement.h"
#include "mozilla/TextControlState.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/Variant.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/HTMLFormElement.h" // for HasEverTriedInvalidSubmit()
#include "mozilla/dom/HTMLInputElementBinding.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/UnionTypes.h"
#include "mozilla/dom/SingleLineTextInputTypes.h"
#include "mozilla/dom/NumericInputTypes.h"
#include "mozilla/dom/CheckableInputTypes.h"
#include "mozilla/dom/ButtonInputTypes.h"
#include "mozilla/dom/DateTimeInputTypes.h"
#include "mozilla/dom/ColorInputType.h"
#include "mozilla/dom/FileInputType.h"
#include "mozilla/dom/HiddenInputType.h"
#include "nsGenericHTMLElement.h"
#include "nsImageLoadingContent.h"
#include "nsCOMPtr.h"
#include "nsIConstraintValidation.h"
#include "nsIFilePicker.h"
#include "nsIContentPrefService2.h"
#include "nsContentUtils.h"
class nsIRadioGroupContainer;
class nsIRadioVisitor;
namespace mozilla {
class EventChainPostVisitor;
class EventChainPreVisitor;
namespace dom {
class AfterSetFilesOrDirectoriesRunnable;
class Date;
class DispatchChangeEventCallback;
class File;
class FileList;
class FileSystemEntry;
class GetFilesHelper;
class InputType;
* A class we use to create a singleton object that is used to keep track of
* the last directory from which the user has picked files (via
* <input type=file>) on a per-domain basis. The implementation uses
* nsIContentPrefService2/NS_CONTENT_PREF_SERVICE_CONTRACTID to store the last
* directory per-domain, and to ensure that whether the directories are
* persistently saved (saved across sessions) or not honors whether or not the
* page is being viewed in private browsing.
class UploadLastDir final : public nsIObserver, public nsSupportsWeakReference {
~UploadLastDir() = default;
* Fetch the last used directory for this location from the content
* pref service, and display the file picker opened in that directory.
* @param aDoc current document
* @param aFilePicker the file picker to open
* @param aFpCallback the callback object to be run when the file is shown.
nsresult FetchDirectoryAndDisplayPicker(
Document* aDoc, nsIFilePicker* aFilePicker,
nsIFilePickerShownCallback* aFpCallback);
* Store the last used directory for this location using the
* content pref service, if it is available
* @param aURI URI of the current page
* @param aDir Parent directory of the file(s)/directory chosen by the user
nsresult StoreLastUsedDirectory(Document* aDoc, nsIFile* aDir);
class ContentPrefCallback final : public nsIContentPrefCallback2 {
virtual ~ContentPrefCallback() = default;
ContentPrefCallback(nsIFilePicker* aFilePicker,
nsIFilePickerShownCallback* aFpCallback)
: mFilePicker(aFilePicker), mFpCallback(aFpCallback) {}
nsCOMPtr<nsIFilePicker> mFilePicker;
nsCOMPtr<nsIFilePickerShownCallback> mFpCallback;
nsCOMPtr<nsIContentPref> mResult;
class HTMLInputElement final : public TextControlElement,
public nsImageLoadingContent,
public nsIConstraintValidation {
friend class AfterSetFilesOrDirectoriesCallback;
friend class DispatchChangeEventCallback;
friend class InputType;
using nsGenericHTMLFormElementWithState::GetForm;
using nsGenericHTMLFormElementWithState::GetFormAction;
using nsIConstraintValidation::GetValidationMessage;
enum class FromClone { no, yes };
HTMLInputElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser,
FromClone aFromClone = FromClone::no);
// nsISupports
virtual int32_t TabIndexDefault() override;
using nsGenericHTMLElement::Focus;
virtual void Blur(ErrorResult& aError) override;
virtual void Focus(const FocusOptions& aOptions, const CallerType aCallerType,
ErrorResult& aError) override;
// nsINode
#if !defined(ANDROID) && !defined(XP_MACOSX)
virtual bool IsNodeApzAwareInternal() const override;
// Element
virtual bool IsInteractiveHTMLContent() const override;
// EventTarget
virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
// Overriden nsIFormControl methods
NS_IMETHOD Reset() override;
NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;
NS_IMETHOD SaveState() override;
virtual bool RestoreState(PresState* aState) override;
virtual bool AllowDrop() override;
virtual bool IsDisabledForEvents(WidgetEvent* aEvent) override;
virtual void FieldSetDisabledChanged(bool aNotify) override;
// nsIContent
virtual bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
int32_t* aTabIndex) override;
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
virtual nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
int32_t aModType) const override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction()
const override;
void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
virtual nsresult PreHandleEvent(EventChainVisitor& aVisitor) override;
virtual nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
void PostHandleEventForRangeThumb(EventChainPostVisitor& aVisitor);
void StartRangeThumbDrag(WidgetGUIEvent* aEvent);
void FinishRangeThumbDrag(WidgetGUIEvent* aEvent = nullptr);
void CancelRangeThumbDrag(bool aIsForUserEvent = true);
void SetValueOfRangeForUserEvent(Decimal aValue);
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent = true) override;
virtual void DoneCreatingElement() override;
virtual void DestroyContent() override;
virtual EventStates IntrinsicState() const override;
// TextControlElement
virtual nsresult SetValueChanged(bool aValueChanged) override;
virtual bool IsSingleLineTextControl() const override;
virtual bool IsTextArea() const override;
virtual bool IsPasswordTextControl() const override;
virtual int32_t GetCols() override;
virtual int32_t GetWrapCols() override;
virtual int32_t GetRows() override;
virtual void GetDefaultValueFromContent(nsAString& aValue) override;
virtual bool ValueChanged() const override;
virtual void GetTextEditorValue(nsAString& aValue,
bool aIgnoreWrap) const override;
MOZ_CAN_RUN_SCRIPT TextEditor* GetTextEditor() override;
virtual TextEditor* GetTextEditorWithoutCreation() override;
virtual nsISelectionController* GetSelectionController() override;
virtual nsFrameSelection* GetConstFrameSelection() override;
virtual TextControlState* GetTextControlState() const override {
return GetEditorState();
virtual nsresult BindToFrame(nsTextControlFrame* aFrame) override;
MOZ_CAN_RUN_SCRIPT virtual void UnbindFromFrame(
nsTextControlFrame* aFrame) override;
MOZ_CAN_RUN_SCRIPT virtual nsresult CreateEditor() override;
virtual void UpdateOverlayTextVisibility(bool aNotify) override;
virtual void SetPreviewValue(const nsAString& aValue) override;
virtual void GetPreviewValue(nsAString& aValue) override;
virtual void EnablePreview() override;
virtual bool IsPreviewEnabled() override;
virtual bool GetPlaceholderVisibility() override;
virtual bool GetPreviewVisibility() override;
virtual void InitializeKeyboardEventListeners() override;
virtual void OnValueChanged(ValueChangeKind) override;
virtual void GetValueFromSetRangeText(nsAString& aValue) override;
MOZ_CAN_RUN_SCRIPT virtual nsresult SetValueFromSetRangeText(
const nsAString& aValue) override;
virtual bool HasCachedSelection() override;
* TextEditorValueEquals() is designed for internal use so that aValue
* shouldn't include \r character. It should be handled before calling this
* with nsContentUtils::PlatformToDOMLineBreaks().
bool TextEditorValueEquals(const nsAString& aValue) const;
// Methods for nsFormFillController so it can do selection operations on input
// types the HTML spec doesn't support them on, like "email".
uint32_t GetSelectionStartIgnoringType(ErrorResult& aRv);
uint32_t GetSelectionEndIgnoringType(ErrorResult& aRv);
void GetDisplayFileName(nsAString& aFileName) const;
const nsTArray<OwningFileOrDirectory>& GetFilesOrDirectoriesInternal() const;
void SetFilesOrDirectories(
const nsTArray<OwningFileOrDirectory>& aFilesOrDirectories,
bool aSetValueChanged);
void SetFiles(FileList* aFiles, bool aSetValueChanged);
// This method is used for test only. Onces the data is set, a 'change' event
// is dispatched.
void MozSetDndFilesAndDirectories(
const nsTArray<OwningFileOrDirectory>& aSequence);
// Called when a nsIFilePicker or a nsIColorPicker terminate.
void PickerClosed();
void SetCheckedChangedInternal(bool aCheckedChanged);
bool GetCheckedChanged() const { return mCheckedChanged; }
void AddedToRadioGroup();
void WillRemoveFromRadioGroup();
* Helper function returning the currently selected button in the radio group.
* Returning null if the element is not a button or if there is no selectied
* button in the group.
* @return the selected button (or null).
HTMLInputElement* GetSelectedRadioButton() const;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
static UploadLastDir* gUploadLastDir;
// create and destroy the static UploadLastDir object for remembering
// which directory was last used on a site-by-site basis
static void InitUploadLastDir();
static void DestroyUploadLastDir();
// If the valueAsDate attribute should be enabled in webIDL
static bool ValueAsDateEnabled(JSContext* cx, JSObject* obj);
void MaybeLoadImage();
bool HasPatternAttribute() const { return mHasPatternAttribute; }
// nsIConstraintValidation
bool IsTooLong();
bool IsTooShort();
bool IsValueMissing() const;
bool HasTypeMismatch() const;
mozilla::Maybe<bool> HasPatternMismatch() const;
bool IsRangeOverflow() const;
bool IsRangeUnderflow() const;
bool HasStepMismatch(bool aUseZeroIfValueNaN = false) const;
bool HasBadInput() const;
void UpdateTooLongValidityState();
void UpdateTooShortValidityState();
void UpdateValueMissingValidityState();
void UpdateTypeMismatchValidityState();
void UpdatePatternMismatchValidityState();
void UpdateRangeOverflowValidityState();
void UpdateRangeUnderflowValidityState();
void UpdateStepMismatchValidityState();
void UpdateBadInputValidityState();
// Update all our validity states and then update our element state
// as needed. aNotify controls whether the element state update
// needs to notify.
void UpdateAllValidityStates(bool aNotify);
void MaybeUpdateAllValidityStates(bool aNotify) {
// If you need to add new type which supports validationMessage, you should
// add test cases into test_MozEditableElement_setUserInput.html.
if (mType == NS_FORM_INPUT_EMAIL) {
// Update all our validity states without updating element state.
// This should be called instead of UpdateAllValidityStates any time
// we're guaranteed that element state will be updated anyway.
void UpdateAllValidityStatesButNotElementState();
void UpdateBarredFromConstraintValidation();
nsresult GetValidationMessage(nsAString& aValidationMessage,
ValidityStateType aType) override;
// Override SetCustomValidity so we update our state properly when it's called
// via bindings.
void SetCustomValidity(const nsAString& aError);
* Update the value missing validity state for radio elements when they have
* a group.
* @param aIgnoreSelf Whether the required attribute and the checked state
* of the current radio should be ignored.
* @note This method shouldn't be called if the radio element hasn't a group.
void UpdateValueMissingValidityStateForRadio(bool aIgnoreSelf);
* Set filters to the filePicker according to the accept attribute value.
* See:
* @note You should not call this function if the element has no @accept.
* @note "All Files" filter is always set, no matter if there is a valid
* filter specified or not.
* @note If more than one valid filter is found, the "All Supported Types"
* filter is added, which is the concatenation of all valid filters.
* @note Duplicate filters and similar filters (i.e. filters whose file
* extensions already exist in another filter) are ignored.
* @note "All Files" filter will be selected by default if unknown mime types
* have been specified and no file extension filter has been specified.
* Otherwise, specified filter or "All Supported Types" filter will be
* selected by default.
* The logic behind is that having unknown mime type means we might restrict
* user's input too much, as some filters will be missing.
* However, if author has also specified some file extension filters, it's
* likely those are fallback for the unusual mime type we haven't been able
* to resolve; so it's better to select author specified filters in that case.
void SetFilePickerFiltersFromAccept(nsIFilePicker* filePicker);
* The form might need to request an update of the UI bits
* (BF_CAN_SHOW_INVALID_UI and BF_CAN_SHOW_VALID_UI) when an invalid form
* submission is tried.
* @param aIsFocused Whether the element is currently focused.
* @note The caller is responsible to call ContentStatesChanged.
void UpdateValidityUIBits(bool aIsFocused);
* Fires change event if mFocusedValue and current value held are unequal and
* if a change event may be fired on bluring.
* Sets mFocusedValue to value, if a change event is fired.
void FireChangeEventIfNeeded();
* Returns the input element's value as a Decimal.
* Returns NaN if the current element's value is not a floating point number.
* @return the input element's value as a Decimal.
Decimal GetValueAsDecimal() const;
* Returns the input's "minimum" (as defined by the HTML5 spec) as a double.
* Note this takes account of any default minimum that the type may have.
* Returns NaN if the min attribute isn't a valid floating point number and
* the input's type does not have a default minimum.
* NOTE: Only call this if you know DoesMinMaxApply() returns true.
Decimal GetMinimum() const;
* Returns the input's "maximum" (as defined by the HTML5 spec) as a double.
* Note this takes account of any default maximum that the type may have.
* Returns NaN if the max attribute isn't a valid floating point number and
* the input's type does not have a default maximum.
* NOTE:Only call this if you know DoesMinMaxApply() returns true.
Decimal GetMaximum() const;
// WebIDL
void GetAccept(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::accept, aValue); }
void SetAccept(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::accept, aValue, aRv);
void GetAlt(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::alt, aValue); }
void SetAlt(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::alt, aValue, aRv);
void GetAutocomplete(nsAString& aValue);
void SetAutocomplete(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::autocomplete, aValue, aRv);
void GetAutocompleteInfo(Nullable<AutocompleteInfo>& aInfo);
bool Autofocus() const { return GetBoolAttr(nsGkAtoms::autofocus); }
void SetAutofocus(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::autofocus, aValue, aRv);
void GetCapture(nsAString& aValue);
void SetCapture(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::capture, aValue, aRv);
bool DefaultChecked() const {
return HasAttr(kNameSpaceID_None, nsGkAtoms::checked);
void SetDefaultChecked(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::checked, aValue, aRv);
bool Checked() const { return mChecked; }
void SetChecked(bool aChecked);
bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
void SetDisabled(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
FileList* GetFiles();
void SetFiles(FileList* aFiles);
void SetFormAction(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::formaction, aValue, aRv);
void GetFormEnctype(nsAString& aValue);
void SetFormEnctype(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::formenctype, aValue, aRv);
void GetFormMethod(nsAString& aValue);
void SetFormMethod(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::formmethod, aValue, aRv);
bool FormNoValidate() const { return GetBoolAttr(nsGkAtoms::formnovalidate); }
void SetFormNoValidate(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::formnovalidate, aValue, aRv);
void GetFormTarget(nsAString& aValue) {
GetHTMLAttr(nsGkAtoms::formtarget, aValue);
void SetFormTarget(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::formtarget, aValue, aRv);
MOZ_CAN_RUN_SCRIPT uint32_t Height();
void SetHeight(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::height, aValue, 0, aRv);
bool Indeterminate() const { return mIndeterminate; }
bool IsDraggingRange() const { return mIsDraggingRange; }
void SetIndeterminate(bool aValue);
nsGenericHTMLElement* GetList() const;
void GetMax(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::max, aValue); }
void SetMax(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::max, aValue, aRv);
int32_t MaxLength() const { return GetIntAttr(nsGkAtoms::maxlength, -1); }
int32_t UsedMaxLength() const final {
if (!mInputType->MinAndMaxLengthApply()) {
return -1;
return MaxLength();
void SetMaxLength(int32_t aValue, ErrorResult& aRv) {
int32_t minLength = MinLength();
if (aValue < 0 || (minLength >= 0 && aValue < minLength)) {
SetHTMLIntAttr(nsGkAtoms::maxlength, aValue, aRv);
int32_t MinLength() const { return GetIntAttr(nsGkAtoms::minlength, -1); }
void SetMinLength(int32_t aValue, ErrorResult& aRv) {
int32_t maxLength = MaxLength();
if (aValue < 0 || (maxLength >= 0 && aValue > maxLength)) {
SetHTMLIntAttr(nsGkAtoms::minlength, aValue, aRv);
void GetMin(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::min, aValue); }
void SetMin(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::min, aValue, aRv);
bool Multiple() const { return GetBoolAttr(nsGkAtoms::multiple); }
void SetMultiple(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::multiple, aValue, aRv);
void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
void SetName(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
void GetPattern(nsAString& aValue) {
GetHTMLAttr(nsGkAtoms::pattern, aValue);
void SetPattern(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::pattern, aValue, aRv);
void GetPlaceholder(nsAString& aValue) {
GetHTMLAttr(nsGkAtoms::placeholder, aValue);
void SetPlaceholder(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::placeholder, aValue, aRv);
bool ReadOnly() const { return GetBoolAttr(nsGkAtoms::readonly); }
void SetReadOnly(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::readonly, aValue, aRv);
bool Required() const { return GetBoolAttr(nsGkAtoms::required); }
void SetRequired(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::required, aValue, aRv);
uint32_t Size() const {
return GetUnsignedIntAttr(nsGkAtoms::size, DEFAULT_COLS);
void SetSize(uint32_t aValue, ErrorResult& aRv) {
if (aValue == 0) {
SetUnsignedIntAttr(nsGkAtoms::size, aValue, DEFAULT_COLS, aRv);
void GetSrc(nsAString& aValue) {
GetURIAttr(nsGkAtoms::src, nullptr, aValue);
void SetSrc(const nsAString& aValue, nsIPrincipal* aTriggeringPrincipal,
ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::src, aValue, aTriggeringPrincipal, aRv);
void GetStep(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::step, aValue); }
void SetStep(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::step, aValue, aRv);
void GetType(nsAString& aValue);
void SetType(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
void GetDefaultValue(nsAString& aValue) {
GetHTMLAttr(nsGkAtoms::value, aValue);
void SetDefaultValue(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
void SetValue(const nsAString& aValue, CallerType aCallerType,
ErrorResult& aRv);
void GetValue(nsAString& aValue, CallerType aCallerType);
void GetValueAsDate(JSContext* aCx, JS::MutableHandle<JSObject*> aObj,
ErrorResult& aRv);
void SetValueAsDate(JSContext* aCx, JS::Handle<JSObject*> aObj,
ErrorResult& aRv);
double ValueAsNumber() const {
return DoesValueAsNumberApply() ? GetValueAsDecimal().toDouble()
: UnspecifiedNaN<double>();
void SetValueAsNumber(double aValue, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT uint32_t Width();
void SetWidth(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::width, aValue, 0, aRv);
void StepUp(int32_t aN, ErrorResult& aRv) { aRv = ApplyStep(aN); }
void StepDown(int32_t aN, ErrorResult& aRv) { aRv = ApplyStep(-aN); }
* Returns the current step value.
* Returns kStepAny if the current step is "any" string.
* @return the current step value.
Decimal GetStep() const;
// Returns whether the given keyboard event steps up or down the value of an
// <input> element.
bool StepsInputValue(const WidgetKeyboardEvent&) const;
already_AddRefed<nsINodeList> GetLabels();
void Select();
Nullable<uint32_t> GetSelectionStart(ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetSelectionStart(const Nullable<uint32_t>& aValue,
ErrorResult& aRv);
Nullable<uint32_t> GetSelectionEnd(ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetSelectionEnd(const Nullable<uint32_t>& aValue,
ErrorResult& aRv);
void GetSelectionDirection(nsAString& aValue, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetSelectionDirection(const nsAString& aValue,
ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetSelectionRange(
uint32_t aStart, uint32_t aEnd, const Optional<nsAString>& direction,
ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetRangeText(const nsAString& aReplacement,
ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT void SetRangeText(const nsAString& aReplacement,
uint32_t aStart, uint32_t aEnd,
SelectionMode aSelectMode,
ErrorResult& aRv);
bool Allowdirs() const {
return HasAttr(kNameSpaceID_None, nsGkAtoms::allowdirs);
void SetAllowdirs(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::allowdirs, aValue, aRv);
bool WebkitDirectoryAttr() const {
return HasAttr(kNameSpaceID_None, nsGkAtoms::webkitdirectory);
void SetWebkitDirectoryAttr(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::webkitdirectory, aValue, aRv);
void GetWebkitEntries(nsTArray<RefPtr<FileSystemEntry>>& aSequence);
bool IsFilesAndDirectoriesSupported() const;
already_AddRefed<Promise> GetFilesAndDirectories(ErrorResult& aRv);
already_AddRefed<Promise> GetFiles(bool aRecursiveFlag, ErrorResult& aRv);
void ChooseDirectory(ErrorResult& aRv);
void GetAlign(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
void GetUseMap(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::usemap, aValue); }
void SetUseMap(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::usemap, aValue, aRv);
nsIControllers* GetControllers(ErrorResult& aRv);
// XPCOM adapter function widely used throughout code, leaving it as is.
nsresult GetControllers(nsIControllers** aResult);
int32_t InputTextLength(CallerType aCallerType);
void MozGetFileNameArray(nsTArray<nsString>& aFileNames, ErrorResult& aRv);
void MozSetFileNameArray(const Sequence<nsString>& aFileNames,
ErrorResult& aRv);
void MozSetFileArray(const Sequence<OwningNonNull<File>>& aFiles);
void MozSetDirectory(const nsAString& aDirectoryPath, ErrorResult& aRv);
* The following functions are called from datetime picker to let input box
* know the current state of the picker or to update the input box on changes.
void GetDateTimeInputBoxValue(DateTimeValue& aValue);
* This allows chrome JavaScript to dispatch event to the inner datetimebox
* anonymous or UA Widget element.
Element* GetDateTimeBoxElement();
* The following functions are called from datetime input box XBL to control
* and update the picker.
void OpenDateTimePicker(const DateTimeValue& aInitialValue);
void UpdateDateTimePicker(const DateTimeValue& aValue);
void CloseDateTimePicker();
* Called from datetime input box binding when inner text fields are focused
* or blurred.
void SetFocusState(bool aIsFocused);
* Called from datetime input box binding when the the user entered value
* becomes valid/invalid.
void UpdateValidityState();
* The following are called from datetime input box binding to get the
* corresponding computed values.
double GetStepAsDouble() { return GetStep().toDouble(); }
double GetStepBaseAsDouble() { return GetStepBase().toDouble(); }
double GetMinimumAsDouble() { return GetMinimum().toDouble(); }
double GetMaximumAsDouble() { return GetMaximum().toDouble(); }
void StartNumberControlSpinnerSpin();
enum SpinnerStopState { eAllowDispatchingEvents, eDisallowDispatchingEvents };
void StopNumberControlSpinnerSpin(
SpinnerStopState aState = eAllowDispatchingEvents);
void StepNumberControlForUserEvent(int32_t aDirection);
* The callback function used by the nsRepeatService that we use to spin the
* spinner for <input type=number>.
static void HandleNumberControlSpin(void* aData);
bool NumberSpinnerUpButtonIsDepressed() const {
return mNumberControlSpinnerIsSpinning && mNumberControlSpinnerSpinsUp;
bool NumberSpinnerDownButtonIsDepressed() const {
return mNumberControlSpinnerIsSpinning && !mNumberControlSpinnerSpinsUp;
bool MozIsTextField(bool aExcludePassword);
MOZ_CAN_RUN_SCRIPT nsIEditor* GetEditorForBindings();
// For WebIDL bindings.
bool HasEditor();
bool IsInputEventTarget() const { return IsSingleLineTextControl(false); }
void SetUserInput(const nsAString& aInput, nsIPrincipal& aSubjectPrincipal);
* If aValue contains a valid floating-point number in the format specified
* by the HTML 5 spec:
* then this function will return the number parsed as a Decimal, otherwise
* it will return a Decimal for which Decimal::isFinite() will return false.
static Decimal StringToDecimal(const nsAString& aValue);
void UpdateEntries(
const nsTArray<OwningFileOrDirectory>& aFilesOrDirectories);
* Returns if the required attribute applies for the current type.
bool DoesRequiredApply() const;
* Returns the current required state of the element. This function differs
* from Required() in that this function only returns true for input types
* that @required attribute applies and the attribute is set; in contrast,
* Required() returns true whenever @required attribute is set.
bool IsRequired() const { return State().HasState(NS_EVENT_STATE_REQUIRED); }
bool HasBeenTypePassword() { return mHasBeenTypePassword; }
* Returns whether the current value is the empty string. This only makes
* sense for some input types; does NOT make sense for file inputs.
* @return whether the current value is the empty string.
bool IsValueEmpty() const;
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// Pull IsSingleLineTextControl into our scope, otherwise it'd be hidden
// by the TextControlElement version.
using nsGenericHTMLFormElementWithState::IsSingleLineTextControl;
* The ValueModeType specifies how the value IDL attribute should behave.
enum ValueModeType {
// On getting, returns the value.
// On setting, sets value.
// On getting, returns the value if present or the empty string.
// On setting, sets the value.
// On getting, returns the value if present or "on".
// On setting, sets the value.
// On getting, returns "C:\fakepath\" followed by the file name of the
// first file of the selected files if any.
// On setting the empty string, empties the selected files list, otherwise
// throw the INVALID_STATE_ERR exception.
* This helper method convert a sub-string that contains only digits to a
* number (unsigned int given that it can't contain a minus sign).
* This method will return whether the sub-string is correctly formatted
* (ie. contains only digit) and it can be successfuly parsed to generate a
* number).
* If the method returns true, |aResult| will contained the parsed number.
* @param aValue the string on which the sub-string will be extracted and
* parsed.
* @param aStart the beginning of the sub-string in aValue.
* @param aLen the length of the sub-string.
* @param aResult the parsed number.
* @return whether the sub-string has been parsed successfully.
static bool DigitSubStringToNumber(const nsAString& aValue, uint32_t aStart,
uint32_t aLen, uint32_t* aResult);
// Helper method
* Setting the value.
* @param aValue String to set.
* @param aOldValue Previous value before setting aValue.
If previous value is unknown, aOldValue can be nullptr.
* @param aFlags See TextControlState::SetValueFlags.
nsresult SetValueInternal(const nsAString& aValue, const nsAString* aOldValue,
uint32_t aFlags);
nsresult SetValueInternal(const nsAString& aValue, uint32_t aFlags) {
return SetValueInternal(aValue, nullptr, aFlags);
// Generic getter for the value that doesn't do experimental control type
// sanitization.
void GetValueInternal(nsAString& aValue, CallerType aCallerType) const;
// A getter for callers that know we're not dealing with a file input, so they
// don't have to think about the caller type.
void GetNonFileValueInternal(nsAString& aValue) const;
* Returns whether the current placeholder value should be shown.
bool ShouldShowPlaceholder() const;
void ClearFiles(bool aSetValueChanged);
void SetIndeterminateInternal(bool aValue, bool aShouldInvalidate);
* Called when an attribute is about to be changed
virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
* Called when an attribute has just been changed
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
virtual void BeforeSetForm(bool aBindToTree) override;
virtual void AfterClearForm(bool aUnbindOrDelete) override;
virtual void ResultForDialogSubmit(nsAString& aResult) override;
* Dispatch a select event. Returns true if the event was not cancelled.
bool DispatchSelectEvent(nsPresContext* aPresContext);
void SelectAll(nsPresContext* aPresContext);
bool IsImage() const {
return AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, nsGkAtoms::image,
* Visit the group of radio buttons this radio belongs to
* @param aVisitor the visitor to visit with
nsresult VisitGroup(nsIRadioVisitor* aVisitor, bool aFlushContent);
* Do all the work that |SetChecked| does (radio button handling, etc.), but
* take an |aNotify| parameter.
void DoSetChecked(bool aValue, bool aNotify, bool aSetValueChanged);
* Do all the work that |SetCheckedChanged| does (radio button handling,
* etc.), but take an |aNotify| parameter that lets it avoid flushing content
* when it can.
void DoSetCheckedChanged(bool aCheckedChanged, bool aNotify);
* Actually set checked and notify the frame of the change.
* @param aValue the value of checked to set
void SetCheckedInternal(bool aValue, bool aNotify);
void RadioSetChecked(bool aNotify);
void SetCheckedChanged(bool aCheckedChanged);
* MaybeSubmitForm looks for a submit input or a single text control
* and submits the form if either is present.
MOZ_CAN_RUN_SCRIPT nsresult MaybeSubmitForm(nsPresContext* aPresContext);
* Update mFileList with the currently selected file.
void UpdateFileList();
* Called after calling one of the SetFilesOrDirectories() functions.
* This method can explore the directory recursively if needed.
void AfterSetFilesOrDirectories(bool aSetValueChanged);
* Recursively explore the directory and populate mFileOrDirectories correctly
* for webkitdirectory.
void ExploreDirectoryRecursively(bool aSetValuechanged);
* Determine whether the editor needs to be initialized explicitly for
* a particular event.
bool NeedToInitializeEditorForEvent(EventChainPreVisitor& aVisitor) const;
* Get the value mode of the element, depending of the type.
ValueModeType GetValueMode() const;
* Get the mutable state of the element.
* When the element isn't mutable (immutable), the value or checkedness
* should not be changed by the user.
bool IsMutable() const;
* Returns if the min and max attributes apply for the current type.
bool DoesMinMaxApply() const;
* Returns if the step attribute apply for the current type.
bool DoesStepApply() const { return DoesMinMaxApply(); }
* Returns if stepDown and stepUp methods apply for the current type.
bool DoStepDownStepUpApply() const { return DoesStepApply(); }
* Returns if valueAsNumber attribute applies for the current type.
bool DoesValueAsNumberApply() const { return DoesMinMaxApply(); }
* Returns if autocomplete attribute applies for the current type.
bool DoesAutocompleteApply() const;
MOZ_CAN_RUN_SCRIPT void FreeData();
TextControlState* GetEditorState() const;
MOZ_CAN_RUN_SCRIPT mozilla::TextEditor* GetTextEditorFromState();
* Manages the internal data storage across type changes.
void HandleTypeChange(uint8_t aNewType, bool aNotify);
enum class ForValueGetter { No, Yes };
* Sanitize the value of the element depending of its current type.
* See:
void SanitizeValue(nsAString& aValue, ForValueGetter = ForValueGetter::No);
* Returns whether the placeholder attribute applies for the current type.
bool PlaceholderApplies() const;
* Set the current default value to the value of the input element.
* @note You should not call this method if GetValueMode() doesn't return
nsresult SetDefaultValueAsValue();
void SetDirectionFromValue(bool aNotify);
* Return if an element should have a specific validity UI
* (with :-moz-ui-invalid and :-moz-ui-valid pseudo-classes).
* @return Whether the element should have a validity UI.
bool ShouldShowValidityUI() const {
* Always show the validity UI if the form has already tried to be submitted
* but was invalid.
* Otherwise, show the validity UI if the element's value has been changed.
if (mForm && mForm->HasEverTriedInvalidSubmit()) {
return true;
switch (GetValueMode()) {
return true;
return GetCheckedChanged();
return mValueChanged;
MOZ_ASSERT_UNREACHABLE("We should not be there: there are no other modes.");
return false;
* Returns the radio group container if the element has one, null otherwise.
* The radio group container will be the form owner if there is one.
* The current document otherwise.
* @return the radio group container if the element has one, null otherwise.
nsIRadioGroupContainer* GetRadioGroupContainer() const;
* Parse a color string of the form #XXXXXX where X should be hexa characters
* @param the string to be parsed.
* @return whether the string is a valid simple color.
* Note : this function does not consider the empty string as valid.
bool IsValidSimpleColor(const nsAString& aValue) const;
* Parse a week string of the form yyyy-Www
* @param the string to be parsed.
* @return whether the string is a valid week.
* Note : this function does not consider the empty string as valid.
bool IsValidWeek(const nsAString& aValue) const;
* Parse a month string of the form yyyy-mm
* @param the string to be parsed.
* @return whether the string is a valid month.
* Note : this function does not consider the empty string as valid.
bool IsValidMonth(const nsAString& aValue) const;
* Parse a date string of the form yyyy-mm-dd
* @param the string to be parsed.
* @return whether the string is a valid date.
* Note : this function does not consider the empty string as valid.
bool IsValidDate(const nsAString& aValue) const;
* Parse a datetime-local string of the form yyyy-mm-ddThh:mm[:ss.s] or
* yyyy-mm-dd hh:mm[:ss.s], where fractions of seconds can be 1 to 3 digits.
* @param the string to be parsed.
* @return whether the string is a valid datetime-local string.
* Note : this function does not consider the empty string as valid.
bool IsValidDateTimeLocal(const nsAString& aValue) const;
* Parse a year string of the form yyyy
* @param the string to be parsed.
* @return the year in aYear.
* @return whether the parsing was successful.
bool ParseYear(const nsAString& aValue, uint32_t* aYear) const;
* Parse a month string of the form yyyy-mm
* @param the string to be parsed.
* @return the year and month in aYear and aMonth.
* @return whether the parsing was successful.
bool ParseMonth(const nsAString& aValue, uint32_t* aYear,
uint32_t* aMonth) const;
* Parse a week string of the form yyyy-Www
* @param the string to be parsed.
* @return the year and week in aYear and aWeek.
* @return whether the parsing was successful.
bool ParseWeek(const nsAString& aValue, uint32_t* aYear,
uint32_t* aWeek) const;
* Parse a date string of the form yyyy-mm-dd
* @param the string to be parsed.
* @return the date in aYear, aMonth, aDay.
* @return whether the parsing was successful.
bool ParseDate(const nsAString& aValue, uint32_t* aYear, uint32_t* aMonth,
uint32_t* aDay) const;
* Parse a datetime-local string of the form yyyy-mm-ddThh:mm[:ss.s] or
* yyyy-mm-dd hh:mm[:ss.s], where fractions of seconds can be 1 to 3 digits.
* @param the string to be parsed.
* @return the date in aYear, aMonth, aDay and time expressed in milliseconds
* in aTime.
* @return whether the parsing was successful.
bool ParseDateTimeLocal(const nsAString& aValue, uint32_t* aYear,
uint32_t* aMonth, uint32_t* aDay,
uint32_t* aTime) const;
* Normalize the datetime-local string following the HTML specifications:
void NormalizeDateTimeLocal(nsAString& aValue) const;
* This methods returns the number of days since epoch for a given year and
* week.
double DaysSinceEpochFromWeek(uint32_t aYear, uint32_t aWeek) const;
* This methods returns the number of days in a given month, for a given year.
uint32_t NumberOfDaysInMonth(uint32_t aMonth, uint32_t aYear) const;
* This methods returns the number of months between January 1970 and the
* given year and month.
int32_t MonthsSinceJan1970(uint32_t aYear, uint32_t aMonth) const;
* This methods returns the day of the week given a date. If @isoWeek is true,
* 7=Sunday, otherwise, 0=Sunday.
uint32_t DayOfWeek(uint32_t aYear, uint32_t aMonth, uint32_t aDay,
bool isoWeek) const;
* This methods returns the maximum number of week in a given year, the
* result is either 52 or 53.
uint32_t MaximumWeekInYear(uint32_t aYear) const;
* This methods returns true if it's a leap year.
bool IsLeapYear(uint32_t aYear) const;
* Returns whether aValue is a valid time as described by HTML specifications:
* @param aValue the string to be tested.
* @return Whether the string is a valid time per HTML specifications.
bool IsValidTime(const nsAString& aValue) const;
* Returns the time expressed in milliseconds of |aValue| being parsed as a
* time following the HTML specifications:
* Note: |aResult| can be null.
* @param aValue the string to be parsed.
* @param aResult the time expressed in milliseconds representing the time
* [out]
* @return Whether the parsing was successful.
static bool ParseTime(const nsAString& aValue, uint32_t* aResult);
* Sets the value of the element to the string representation of the Decimal.
* @param aValue The Decimal that will be used to set the value.
void SetValue(Decimal aValue, CallerType aCallerType);
* Update the HAS_RANGE bit field value.
void UpdateHasRange();
* Get the step scale value for the current type.
* See:
Decimal GetStepScaleFactor() const;
* Return the base used to compute if a value matches step.
* Basically, it's the min attribute if present and a default value otherwise.
* @return The step base.
Decimal GetStepBase() const;
* Returns the default step for the current type.
* @return the default step for the current type.
Decimal GetDefaultStep() const;
* Sets the aValue outparam to the value that this input would take if
* someone tries to step aStep steps and this input's value would change as
* a result. Leaves aValue untouched if this inputs value would not change
* (e.g. already at max, and asking for the next step up).
* Negative aStep means step down, positive means step up.
* Returns NS_OK or else the error values that should be thrown if this call
* was initiated by a stepUp()/stepDown() call from script under conditions
* that such a call should throw.
nsresult GetValueIfStepped(int32_t aStepCount, StepCallerType aCallerType,
Decimal* aNextStep);
* Apply a step change from stepUp or stepDown by multiplying aStep by the
* current step value.
* @param aStep The value used to be multiplied against the step value.
nsresult ApplyStep(int32_t aStep);
* Returns if the current type is an experimental mobile type.
static bool IsExperimentalMobileType(uint8_t aType);
* Returns if the current type is one of the date/time input types: date,
* time, month, week and datetime-local.
static bool IsDateTimeInputType(uint8_t aType);
* Returns whether getting `.value` as a string should sanitize the value.
* See SanitizeValue.
bool SanitizesOnValueGetter() const;
* Returns true if the element should prevent dispatching another DOMActivate.
* This is used in situations where the anonymous subtree should already have
* sent a DOMActivate and prevents firing more than once.
bool ShouldPreventDOMActivateDispatch(EventTarget* aOriginalTarget);
* Some input type (color and file) let user choose a value using a picker:
* this function checks if it is needed, and if so, open the corresponding
* picker (color picker or file picker).
nsresult MaybeInitPickers(EventChainPostVisitor& aVisitor);
nsresult InitFilePicker(FilePickerType aType);
nsresult InitColorPicker();
* Use this function before trying to open a picker.
* It checks if the page is allowed to open a new pop-up.
* If it returns true, you should not create the picker.
* @return true if popup should be blocked, false otherwise
bool IsPopupBlocked() const;
GetFilesHelper* GetOrCreateGetFilesHelper(bool aRecursiveFlag,
ErrorResult& aRv);
void ClearGetFilesHelpers();
* nsINode::SetMayBeApzAware() will be invoked in this function if necessary
* to prevent default action of APZC so that we can increase/decrease the
* value of this InputElement when mouse wheel event comes without scrolling
* the page.
* SetMayBeApzAware() will set flag MayBeApzAware which is checked by apzc to
* decide whether to add this element into its dispatch-to-content region.
void UpdateApzAwareFlag();
* A helper to get the current selection range. Will throw on the ErrorResult
* if we have no editor state.
void GetSelectionRange(uint32_t* aSelectionStart, uint32_t* aSelectionEnd,
ErrorResult& aRv);
* Override for nsImageLoadingContent.
nsIContent* AsContent() override { return this; }
nsCOMPtr<nsIControllers> mControllers;
* In mInputData, the mState field is used if IsSingleLineTextControl returns
* true and mValue is used otherwise. We have to be careful when handling it
* on a type change.
* Accessing the mState member should be done using the GetEditorState
* function, which returns null if the state is not present.
union InputData {
* The current value of the input if it has been changed from the default
char16_t* mValue;
* The state of the text editor associated with the text/password input
TextControlState* mState;
} mInputData;
struct FileData;
UniquePtr<FileData> mFileData;
* The value of the input element when first initialized and it is updated
* when the element is either changed through a script, focused or dispatches
* a change event. This is to ensure correct future change event firing.
* NB: This is ONLY applicable where the element is a text control. ie,
* where type= "date", "time", "text", "email", "search", "tel", "url" or
* "password".
nsString mFocusedValue;
* If mIsDraggingRange is true, this is the value that the input had before
* the drag started. Used to reset the input to its old value if the drag is
* canceled.
Decimal mRangeThumbDragStartValue;
* Current value in the input box, in DateTimeValue dictionary format, see
* HTMLInputElement.webidl for details.
UniquePtr<DateTimeValue> mDateTimeInputBoxValue;
* The triggering principal for the src attribute.
nsCOMPtr<nsIPrincipal> mSrcTriggeringPrincipal;
* InputType object created based on input type.
UniquePtr<InputType, InputType::DoNotDelete> mInputType;
static constexpr size_t INPUT_TYPE_SIZE =
TextInputType, SearchInputType, TelInputType, URLInputType,
EmailInputType, PasswordInputType, NumberInputType, RangeInputType,
RadioInputType, CheckboxInputType, ButtonInputType, ImageInputType,
ResetInputType, SubmitInputType, DateInputType, TimeInputType,
WeekInputType, MonthInputType, DateTimeLocalInputType,
FileInputType, ColorInputType, HiddenInputType>);
// Memory allocated for mInputType, reused when type changes.
char mInputTypeMem[INPUT_TYPE_SIZE];
// Step scale factor values, for input types that have one.
static const Decimal kStepScaleFactorDate;
static const Decimal kStepScaleFactorNumberRange;
static const Decimal kStepScaleFactorTime;
static const Decimal kStepScaleFactorMonth;
static const Decimal kStepScaleFactorWeek;
// Default step base value when a type do not have specific one.
static const Decimal kDefaultStepBase;
// Default step base value when type=week does not not have a specific one,
// which is −259200000, the start of week 1970-W01.
static const Decimal kDefaultStepBaseWeek;
// Default step used when there is no specified step.
static const Decimal kDefaultStep;
static const Decimal kDefaultStepTime;
// Float value returned by GetStep() when the step attribute is set to 'any'.
static const Decimal kStepAny;
// Minimum year limited by HTML standard, year >= 1.
static const double kMinimumYear;
// Maximum year limited by ECMAScript date object range, year <= 275760.
static const double kMaximumYear;
// Maximum valid week is 275760-W37.
static const double kMaximumWeekInMaximumYear;
// Maximum valid day is 275760-09-13.
static const double kMaximumDayInMaximumYear;
// Maximum valid month is 275760-09.
static const double kMaximumMonthInMaximumYear;
// Long years in a ISO calendar have 53 weeks in them.
static const double kMaximumWeekInYear;
// Milliseconds in a day.
static const double kMsPerDay;
nsContentUtils::AutocompleteAttrState mAutocompleteAttrState;
nsContentUtils::AutocompleteAttrState mAutocompleteInfoState;
bool mDisabledChanged : 1;
bool mValueChanged : 1;
bool mLastValueChangeWasInteractive : 1;
bool mCheckedChanged : 1;
bool mChecked : 1;
bool mHandlingSelectEvent : 1;
bool mShouldInitChecked : 1;
bool mDoneCreating : 1;
bool mInInternalActivate : 1;
bool mCheckedIsToggled : 1;
bool mIndeterminate : 1;
bool mInhibitRestoration : 1;
bool mCanShowValidUI : 1;
bool mCanShowInvalidUI : 1;
bool mHasRange : 1;
bool mIsDraggingRange : 1;
bool mNumberControlSpinnerIsSpinning : 1;
bool mNumberControlSpinnerSpinsUp : 1;
bool mPickerRunning : 1;
bool mIsPreviewEnabled : 1;
bool mHasBeenTypePassword : 1;
bool mHasPatternAttribute : 1;
static void ImageInputMapAttributesIntoRule(
const nsMappedAttributes* aAttributes, MappedDeclarations&);
* Returns true if this input's type will fire a DOM "change" event when it
* loses focus if its value has changed since it gained focus.
bool MayFireChangeOnBlur() const { return MayFireChangeOnBlur(mType); }
* Returns true if selection methods can be called on element
bool SupportsTextSelection() const {
return mType == NS_FORM_INPUT_TEXT || mType == NS_FORM_INPUT_SEARCH ||
static bool MayFireChangeOnBlur(uint8_t aType) {
return IsSingleLineTextControl(false, aType) ||
* Checks if aDateTimeInputType should be supported.
static bool IsDateTimeTypeSupported(uint8_t aDateTimeInputType);
static bool CreatesDateTimeWidget(uint8_t aType) {
return aType == NS_FORM_INPUT_TIME || aType == NS_FORM_INPUT_DATE;
bool CreatesDateTimeWidget() const { return CreatesDateTimeWidget(mType); }
struct nsFilePickerFilter {
nsFilePickerFilter() : mFilterMask(0) {}
explicit nsFilePickerFilter(int32_t aFilterMask)
: mFilterMask(aFilterMask) {}
nsFilePickerFilter(const nsString& aTitle, const nsString& aFilter)
: mFilterMask(0), mTitle(aTitle), mFilter(aFilter) {}
nsFilePickerFilter(const nsFilePickerFilter& other) {
mFilterMask = other.mFilterMask;
mTitle = other.mTitle;
mFilter = other.mFilter;
bool operator==(const nsFilePickerFilter& other) const {
if ((mFilter == other.mFilter) && (mFilterMask == other.mFilterMask)) {
return true;
} else {
return false;
// Filter mask, using values defined in nsIFilePicker
int32_t mFilterMask;
// If mFilterMask is defined, mTitle and mFilter are useless and should be
// ignored
nsString mTitle;
nsString mFilter;
class nsFilePickerShownCallback : public nsIFilePickerShownCallback {
virtual ~nsFilePickerShownCallback() = default;
nsFilePickerShownCallback(HTMLInputElement* aInput,
nsIFilePicker* aFilePicker);
NS_IMETHOD Done(int16_t aResult) override;
nsCOMPtr<nsIFilePicker> mFilePicker;
RefPtr<HTMLInputElement> mInput;
} // namespace dom
} // namespace mozilla