Add m-esr52 at 52.6.0

1 files changed, 1691 insertions, 0 deletions

diff --git a/dom/html/HTMLInputElement.h b/dom/html/HTMLInputElement.h
new file mode 100644
index 000000000..e5d670e08
--- /dev/null
+++ b/dom/html/HTMLInputElement.h
@@ -0,0 +1,1691 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_HTMLInputElement_h
+#define mozilla_dom_HTMLInputElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "nsImageLoadingContent.h"
+#include "nsIDOMHTMLInputElement.h"
+#include "nsITextControlElement.h"
+#include "nsITimer.h"
+#include "nsIPhonetic.h"
+#include "nsIDOMNSEditableElement.h"
+#include "nsCOMPtr.h"
+#include "nsIConstraintValidation.h"
+#include "mozilla/dom/HTMLFormElement.h" // for HasEverTriedInvalidSubmit()
+#include "mozilla/dom/HTMLInputElementBinding.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/UnionTypes.h"
+#include "nsIFilePicker.h"
+#include "nsIContentPrefService2.h"
+#include "mozilla/Decimal.h"
+#include "nsContentUtils.h"
+#include "nsTextEditorState.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;
+
+/**
+ * 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() {}
+
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOBSERVER
+
+  /**
+   * 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(nsIDocument* 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(nsIDocument* aDoc, nsIFile* aDir);
+
+  class ContentPrefCallback final : public nsIContentPrefCallback2
+  {
+    virtual ~ContentPrefCallback()
+    { }
+
+  public:
+    ContentPrefCallback(nsIFilePicker* aFilePicker, nsIFilePickerShownCallback* aFpCallback)
+    : mFilePicker(aFilePicker)
+    , mFpCallback(aFpCallback)
+    { }
+
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSICONTENTPREFCALLBACK2
+
+    nsCOMPtr<nsIFilePicker> mFilePicker;
+    nsCOMPtr<nsIFilePickerShownCallback> mFpCallback;
+    nsCOMPtr<nsIContentPref> mResult;
+  };
+};
+
+class HTMLInputElement final : public nsGenericHTMLFormElementWithState,
+                               public nsImageLoadingContent,
+                               public nsIDOMHTMLInputElement,
+                               public nsITextControlElement,
+                               public nsIPhonetic,
+                               public nsIDOMNSEditableElement,
+                               public nsIConstraintValidation
+{
+  friend class AfterSetFilesOrDirectoriesCallback;
+  friend class DispatchChangeEventCallback;
+
+public:
+  using nsIConstraintValidation::GetValidationMessage;
+  using nsIConstraintValidation::CheckValidity;
+  using nsIConstraintValidation::ReportValidity;
+  using nsIConstraintValidation::WillValidate;
+  using nsIConstraintValidation::Validity;
+  using nsGenericHTMLFormElementWithState::GetForm;
+
+  enum class FromClone { no, yes };
+
+  HTMLInputElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
+                   mozilla::dom::FromParser aFromParser,
+                   FromClone aFromClone = FromClone::no);
+
+  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLInputElement, input)
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  virtual int32_t TabIndexDefault() override;
+  using nsGenericHTMLElement::Focus;
+  virtual void Blur(ErrorResult& aError) override;
+  virtual void Focus(ErrorResult& aError) override;
+
+  // nsINode
+#if !defined(ANDROID) && !defined(XP_MACOSX)
+  virtual bool IsNodeApzAwareInternal() const override;
+#endif
+
+  // Element
+  virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
+
+  // EventTarget
+  virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
+
+  // nsIDOMHTMLInputElement
+  NS_DECL_NSIDOMHTMLINPUTELEMENT
+
+  // nsIPhonetic
+  NS_DECL_NSIPHONETIC
+
+  // nsIDOMNSEditableElement
+  NS_IMETHOD GetEditor(nsIEditor** aEditor) override
+  {
+    return nsGenericHTMLElement::GetEditor(aEditor);
+  }
+
+  NS_IMETHOD SetUserInput(const nsAString& aInput) override;
+
+  // Overriden nsIFormControl methods
+  NS_IMETHOD_(uint32_t) GetType() const override { return mType; }
+  NS_IMETHOD Reset() override;
+  NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;
+  NS_IMETHOD SaveState() override;
+  virtual bool RestoreState(nsPresState* aState) override;
+  virtual bool AllowDrop() override;
+  virtual bool IsDisabledForEvents(EventMessage aMessage) 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,
+                                nsIAtom* aAttribute,
+                                const nsAString& aValue,
+                                nsAttrValue& aResult) override;
+  virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
+                                              int32_t aModType) const override;
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
+  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
+
+  virtual nsresult PreHandleEvent(EventChainPreVisitor& 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(nsIDocument* aDocument, nsIContent* aParent,
+                              nsIContent* aBindingParent,
+                              bool aCompileEventHandlers) override;
+  virtual void UnbindFromTree(bool aDeep = true,
+                              bool aNullParent = true) override;
+
+  virtual void DoneCreatingElement() override;
+
+  virtual EventStates IntrinsicState() const override;
+
+  // Element
+private:
+  virtual void AddStates(EventStates aStates) override;
+  virtual void RemoveStates(EventStates aStates) override;
+
+public:
+
+  // nsITextControlElement
+  NS_IMETHOD SetValueChanged(bool aValueChanged) override;
+  NS_IMETHOD_(bool) IsSingleLineTextControl() const override;
+  NS_IMETHOD_(bool) IsTextArea() const override;
+  NS_IMETHOD_(bool) IsPlainTextControl() const override;
+  NS_IMETHOD_(bool) IsPasswordTextControl() const override;
+  NS_IMETHOD_(int32_t) GetCols() override;
+  NS_IMETHOD_(int32_t) GetWrapCols() override;
+  NS_IMETHOD_(int32_t) GetRows() override;
+  NS_IMETHOD_(void) GetDefaultValueFromContent(nsAString& aValue) override;
+  NS_IMETHOD_(bool) ValueChanged() const override;
+  NS_IMETHOD_(void) GetTextEditorValue(nsAString& aValue, bool aIgnoreWrap) const override;
+  NS_IMETHOD_(nsIEditor*) GetTextEditor() override;
+  NS_IMETHOD_(nsISelectionController*) GetSelectionController() override;
+  NS_IMETHOD_(nsFrameSelection*) GetConstFrameSelection() override;
+  NS_IMETHOD BindToFrame(nsTextControlFrame* aFrame) override;
+  NS_IMETHOD_(void) UnbindFromFrame(nsTextControlFrame* aFrame) override;
+  NS_IMETHOD CreateEditor() override;
+  NS_IMETHOD_(nsIContent*) GetRootEditorNode() override;
+  NS_IMETHOD_(Element*) CreatePlaceholderNode() override;
+  NS_IMETHOD_(Element*) GetPlaceholderNode() override;
+  NS_IMETHOD_(void) UpdatePlaceholderVisibility(bool aNotify) override;
+  NS_IMETHOD_(bool) GetPlaceholderVisibility() override;
+  NS_IMETHOD_(void) InitializeKeyboardEventListeners() override;
+  NS_IMETHOD_(void) OnValueChanged(bool aNotify, bool aWasInteractiveUserChange) override;
+  NS_IMETHOD_(bool) HasCachedSelection() override;
+
+  void GetDisplayFileName(nsAString& aFileName) const;
+
+  const nsTArray<OwningFileOrDirectory>& GetFilesOrDirectoriesInternal() const
+  {
+    return mFilesOrDirectories;
+  }
+
+  void SetFilesOrDirectories(const nsTArray<OwningFileOrDirectory>& aFilesOrDirectories,
+                             bool aSetValueChanged);
+  void SetFiles(nsIDOMFileList* 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).
+   */
+  already_AddRefed<nsIDOMHTMLInputElement> GetSelectedRadioButton() const;
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
+
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLInputElement,
+                                           nsGenericHTMLFormElementWithState)
+
+  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();
+
+  void SetSelectionProperties(const nsTextEditorState::SelectionProperties& aProps)
+  {
+    MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
+    mSelectionCached = true;
+    mSelectionProperties = aProps;
+  }
+  bool IsSelectionCached() const
+  {
+    MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
+    return mSelectionCached;
+  }
+  void ClearSelectionCached()
+  {
+    MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
+    mSelectionCached = false;
+  }
+  nsTextEditorState::SelectionProperties& GetSelectionProperties()
+  {
+    MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
+    return mSelectionProperties;
+  }
+
+  // nsIConstraintValidation
+  bool     IsTooLong();
+  bool     IsTooShort();
+  bool     IsValueMissing() const;
+  bool     HasTypeMismatch() const;
+  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();
+  void     UpdateAllValidityStates(bool aNotify);
+  void     UpdateBarredFromConstraintValidation();
+  nsresult GetValidationMessage(nsAString& aValidationMessage,
+                                ValidityStateType aType) override;
+  /**
+   * 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:
+   * http://dev.w3.org/html5/spec/forms.html#attr-input-accept
+   *
+   * @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.
+   */
+  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
+
+  // XPCOM GetAccept() is OK
+  void SetAccept(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::accept, aValue, aRv);
+  }
+
+  // XPCOM GetAlt() is OK
+  void SetAlt(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::alt, aValue, aRv);
+  }
+
+  // XPCOM GetAutocomplete() is OK
+  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);
+  }
+
+  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;
+  }
+  // XPCOM SetChecked() is OK
+
+  bool Disabled() const
+  {
+    return GetBoolAttr(nsGkAtoms::disabled);
+  }
+
+  void SetDisabled(bool aValue,ErrorResult& aRv)
+  {
+    SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
+  }
+
+  // XPCOM GetForm() is OK
+
+  FileList* GetFiles();
+
+  // XPCOM GetFormAction() is OK
+  void SetFormAction(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::formaction, aValue, aRv);
+  }
+
+  // XPCOM GetFormEnctype() is OK
+  void SetFormEnctype(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::formenctype, aValue, aRv);
+  }
+
+  // XPCOM GetFormMethod() is OK
+  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);
+  }
+
+  // XPCOM GetFormTarget() is OK
+  void SetFormTarget(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::formtarget, aValue, aRv);
+  }
+
+  uint32_t Height();
+
+  void SetHeight(uint32_t aValue, ErrorResult& aRv)
+  {
+    SetUnsignedIntAttr(nsGkAtoms::height, aValue, 0, aRv);
+  }
+
+  bool Indeterminate() const
+  {
+    return mIndeterminate;
+  }
+  // XPCOM SetIndeterminate() is OK
+
+  // XPCOM GetInputMode() is OK
+  void SetInputMode(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::inputmode, aValue, aRv);
+  }
+
+  nsGenericHTMLElement* GetList() const;
+
+  // XPCOM GetMax() is OK
+  void SetMax(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::max, aValue, aRv);
+  }
+
+  int32_t MaxLength() const
+  {
+    return GetIntAttr(nsGkAtoms::maxlength, -1);
+  }
+
+  void SetMaxLength(int32_t aValue, ErrorResult& aRv)
+  {
+    int32_t minLength = MinLength();
+    if (aValue < 0 || (minLength >= 0 && aValue < minLength)) {
+      aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
+      return;
+    }
+
+    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)) {
+      aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
+      return;
+    }
+
+    SetHTMLIntAttr(nsGkAtoms::minlength, aValue, aRv);
+  }
+
+  // XPCOM GetMin() is OK
+  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);
+  }
+
+  // XPCOM GetName() is OK
+  void SetName(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
+  }
+
+  // XPCOM GetPattern() is OK
+  void SetPattern(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::pattern, aValue, aRv);
+  }
+
+  // XPCOM GetPlaceholder() is OK
+  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) {
+      aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
+      return;
+    }
+
+    SetUnsignedIntAttr(nsGkAtoms::size, aValue, DEFAULT_COLS, aRv);
+  }
+
+  // XPCOM GetSrc() is OK
+  void SetSrc(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
+  }
+
+  // XPCOM GetStep() is OK
+  void SetStep(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::step, aValue, aRv);
+  }
+
+  // XPCOM GetType() is OK
+  void SetType(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
+  }
+
+  // XPCOM GetDefaultValue() is OK
+  void SetDefaultValue(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
+  }
+
+  void GetValue(nsAString& aValue, ErrorResult& aRv);
+  void SetValue(const nsAString& aValue, ErrorResult& aRv);
+
+  Nullable<Date> GetValueAsDate(ErrorResult& aRv);
+
+  void SetValueAsDate(Nullable<Date>, ErrorResult& aRv);
+
+  double ValueAsNumber() const
+  {
+    return DoesValueAsNumberApply() ? GetValueAsDecimal().toDouble()
+                                    : UnspecifiedNaN<double>();
+  }
+
+  void SetValueAsNumber(double aValue, ErrorResult& aRv);
+
+  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;
+
+  void GetValidationMessage(nsAString& aValidationMessage, ErrorResult& aRv);
+
+  // XPCOM GetCustomVisibility() is OK
+
+  // XPCOM Select() is OK
+
+  Nullable<int32_t> GetSelectionStart(ErrorResult& aRv);
+  void SetSelectionStart(const Nullable<int32_t>& aValue, ErrorResult& aRv);
+
+  Nullable<int32_t> GetSelectionEnd(ErrorResult& aRv);
+  void SetSelectionEnd(const Nullable<int32_t>& aValue, ErrorResult& aRv);
+
+  void GetSelectionDirection(nsAString& aValue, ErrorResult& aRv);
+  void SetSelectionDirection(const nsAString& aValue, ErrorResult& aRv);
+
+  void SetSelectionRange(int32_t aStart, int32_t aEnd,
+                         const Optional< nsAString >& direction,
+                         ErrorResult& aRv);
+
+  void SetRangeText(const nsAString& aReplacement, ErrorResult& aRv);
+
+  void SetRangeText(const nsAString& aReplacement, uint32_t aStart,
+                    uint32_t aEnd, const SelectionMode& aSelectMode,
+                    ErrorResult& aRv, int32_t aSelectionStart = -1,
+                    int32_t aSelectionEnd = -1);
+
+  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);
+
+  // XPCOM GetAlign() is OK
+  void SetAlign(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
+  }
+
+  // XPCOM GetUseMap() is OK
+  void SetUseMap(const nsAString& aValue, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::usemap, aValue, aRv);
+  }
+
+  nsIControllers* GetControllers(ErrorResult& aRv);
+
+  int32_t GetTextLength(ErrorResult& aRv);
+
+  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);
+  void UpdateDateTimeInputBox(const DateTimeValue& aValue);
+  void SetDateTimePickerState(bool aOpen);
+
+  /*
+   * 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();
+
+  HTMLInputElement* GetOwnerNumberControl();
+  HTMLInputElement* GetOwnerDateTimeControl();
+
+  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);
+
+  nsIEditor* GetEditor();
+
+  void SetUserInput(const nsAString& aInput,
+                    nsIPrincipal& aSubjectPrincipal);
+
+  // XPCOM GetPhonetic() is OK
+
+  /**
+   * If aValue contains a valid floating-point number in the format specified
+   * by the HTML 5 spec:
+   *
+   *   http://www.whatwg.org/specs/web-apps/current-work/multipage/common-microsyntaxes.html#floating-point-numbers
+   *
+   * 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);
+
+protected:
+  virtual ~HTMLInputElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  // Pull IsSingleLineTextControl into our scope, otherwise it'd be hidden
+  // by the nsITextControlElement version.
+  using nsGenericHTMLFormElementWithState::IsSingleLineTextControl;
+
+  /**
+   * The ValueModeType specifies how the value IDL attribute should behave.
+   *
+   * See: http://dev.w3.org/html5/spec/forms.html#dom-input-value
+   */
+  enum ValueModeType
+  {
+    // On getting, returns the value.
+    // On setting, sets value.
+    VALUE_MODE_VALUE,
+    // On getting, returns the value if present or the empty string.
+    // On setting, sets the value.
+    VALUE_MODE_DEFAULT,
+    // On getting, returns the value if present or "on".
+    // On setting, sets the value.
+    VALUE_MODE_DEFAULT_ON,
+    // 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.
+    VALUE_MODE_FILENAME
+  };
+
+  /**
+   * This helper method returns true if aValue is a valid email address.
+   * This is following the HTML5 specification:
+   * http://dev.w3.org/html5/spec/forms.html#valid-e-mail-address
+   *
+   * @param aValue  the email address to check.
+   * @result        whether the given string is a valid email address.
+   */
+  static bool IsValidEmailAddress(const nsAString& aValue);
+
+  /**
+   * This helper method returns true if aValue is a valid email address list.
+   * Email address list is a list of email address separated by comas (,) which
+   * can be surrounded by space charecters.
+   * This is following the HTML5 specification:
+   * http://dev.w3.org/html5/spec/forms.html#valid-e-mail-address-list
+   *
+   * @param aValue  the email address list to check.
+   * @result        whether the given string is a valid email address list.
+   */
+  static bool IsValidEmailAddressList(const nsAString& aValue);
+
+  /**
+   * 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 aFlags      See nsTextEditorState::SetValueFlags.
+   */
+  nsresult SetValueInternal(const nsAString& aValue, uint32_t aFlags);
+
+  nsresult GetValueInternal(nsAString& aValue) const;
+
+  /**
+   * Returns whether the current value is the empty string.
+   *
+   * @return whether the current value is the empty string.
+   */
+  bool IsValueEmpty() const;
+
+  void ClearFiles(bool aSetValueChanged);
+
+  void SetIndeterminateInternal(bool aValue,
+                                bool aShouldInvalidate);
+
+  nsresult GetSelectionRange(int32_t* aSelectionStart, int32_t* aSelectionEnd);
+
+  /**
+   * Called when an attribute is about to be changed
+   */
+  virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                                 nsAttrValueOrString* aValue,
+                                 bool aNotify) override;
+  /**
+   * Called when an attribute has just been changed
+   */
+  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                                const nsAttrValue* aValue, bool aNotify) 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, eIgnoreCase);
+  }
+
+  /**
+   * 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.
+   */
+  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.
+   *
+   * See: http://dev.w3.org/html5/spec/forms.html#concept-input-mutable
+   */
+  bool IsMutable() const;
+
+  /**
+   * Returns if the readonly attribute applies for the current type.
+   */
+  bool DoesReadOnlyApply() const;
+
+  /**
+   * Returns if the required attribute applies for the current type.
+   */
+  bool DoesRequiredApply() const;
+
+  /**
+   * Returns if the pattern attribute applies for the current type.
+   */
+  bool DoesPatternApply() 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
+  {
+    // TODO: this is temporary until bug 888331 is fixed.
+    return DoesMinMaxApply() && mType != NS_FORM_INPUT_DATETIME_LOCAL;
+  }
+
+  /**
+   * 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
+  {
+    // TODO: this is temporary until bug 888331 is fixed.
+    return DoesMinMaxApply() && mType != NS_FORM_INPUT_DATETIME_LOCAL;
+  }
+
+  /**
+   * Returns if autocomplete attribute applies for the current type.
+   */
+  bool DoesAutocompleteApply() const;
+
+  /**
+   * Returns if the minlength or maxlength attributes apply for the current type.
+   */
+  bool MinOrMaxLengthApplies() const { return IsSingleLineTextControl(false, mType); }
+
+  void FreeData();
+  nsTextEditorState *GetEditorState() const;
+
+  /**
+   * Manages the internal data storage across type changes.
+   */
+  void HandleTypeChange(uint8_t aNewType);
+
+  /**
+   * Sanitize the value of the element depending of its current type.
+   * See: http://www.whatwg.org/specs/web-apps/current-work/#value-sanitization-algorithm
+   */
+  void SanitizeValue(nsAString& aValue);
+
+  /**
+   * 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
+   * VALUE_MODE_VALUE.
+   */
+  nsresult SetDefaultValueAsValue();
+
+  virtual void SetDirectionIfAuto(bool aAuto, 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()) {
+      case VALUE_MODE_DEFAULT:
+        return true;
+      case VALUE_MODE_DEFAULT_ON:
+        return GetCheckedChanged();
+      case VALUE_MODE_VALUE:
+      case VALUE_MODE_FILENAME:
+        return mValueChanged;
+      default:
+        NS_NOTREACHED("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;
+
+  /**
+   * Convert a string to a Decimal number in a type specific way,
+   * http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#concept-input-value-string-number
+   * ie parse a date string to a timestamp if type=date,
+   * or parse a number string to its value if type=number.
+   * @param aValue the string to be parsed.
+   * @param aResultValue the number as a Decimal.
+   * @result whether the parsing was successful.
+   */
+  bool ConvertStringToNumber(nsAString& aValue, Decimal& aResultValue) const;
+
+  /**
+   * Convert a Decimal to a string in a type specific way, ie convert a timestamp
+   * to a date string if type=date or append the number string representing the
+   * value if type=number.
+   *
+   * @param aValue the Decimal to be converted
+   * @param aResultString [out] the string representing the Decimal
+   * @return whether the function succeded, it will fail if the current input's
+   *         type is not supported or the number can't be converted to a string
+   *         as expected by the type.
+   */
+  bool ConvertNumberToString(Decimal aValue, nsAString& aResultString) 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:
+   * https://html.spec.whatwg.org/multipage/infrastructure.html#valid-normalised-local-date-and-time-string
+   */
+  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:
+   * http://www.whatwg.org/specs/web-apps/current-work/multipage/common-microsyntaxes.html#valid-time-string
+   *
+   * @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:
+   * http://www.whatwg.org/specs/web-apps/current-work/#parse-a-time-string
+   *
+   * 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);
+
+  /**
+   * Update the HAS_RANGE bit field value.
+   */
+  void UpdateHasRange();
+
+   /**
+    * Get the step scale value for the current type.
+    * See:
+    * http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html#concept-input-step-scale
+    */
+  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;
+
+  enum StepCallerType {
+    CALLED_FOR_USER_EVENT,
+    CALLED_FOR_SCRIPT
+  };
+
+  /**
+   * 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 and month. TODO: week and datetime-local.
+   */
+  static bool IsDateTimeInputType(uint8_t aType);
+
+  /**
+   * Flushes the layout frame tree to make sure we have up-to-date frames.
+   */
+  void FlushFrames();
+
+  /**
+   * 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);
+
+  enum FilePickerType {
+    FILE_PICKER_FILE,
+    FILE_PICKER_DIRECTORY
+  };
+  nsresult InitFilePicker(FilePickerType aType);
+  nsresult InitColorPicker();
+  nsresult InitDatePicker();
+
+  /**
+   * 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();
+
+  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
+     */
+    nsTextEditorState*       mState;
+  } mInputData;
+
+  /**
+   * The value of the input if it is a file input. This is the list of files or
+   * directories DOM objects used when uploading a file. It is vital that this
+   * is kept separate from mValue so that it won't be possible to 'leak' the
+   * value from a text-input to a file-input. Additionally, the logic for this
+   * value is kept as simple as possible to avoid accidental errors where the
+   * wrong filename is used.  Therefor the list of filenames is always owned by
+   * this member, never by the frame. Whenever the frame wants to change the
+   * filename it has to call SetFilesOrDirectories to update this member.
+   */
+  nsTArray<OwningFileOrDirectory> mFilesOrDirectories;
+
+  RefPtr<GetFilesHelper> mGetFilesRecursiveHelper;
+  RefPtr<GetFilesHelper> mGetFilesNonRecursiveHelper;
+
+  /**
+   * Hack for bug 1086684: Stash the .value when we're a file picker.
+   */
+  nsString mFirstFilePath;
+
+  RefPtr<FileList>  mFileList;
+  Sequence<RefPtr<FileSystemEntry>> mEntries;
+
+  nsString mStaticDocFileList;
+
+  /**
+   * 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= "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.
+   */
+  nsAutoPtr<DateTimeValue> mDateTimeInputBoxValue;
+
+  /**
+   * The selection properties cache for number controls.  This is needed because
+   * the number controls don't recycle their text field, so the normal cache in
+   * nsTextEditorState cannot do its job.
+   */
+  nsTextEditorState::SelectionProperties mSelectionProperties;
+
+  // 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;
+
+
+  /**
+   * The type of this input (<input type=...>) as an integer.
+   * @see nsIFormControl.h (specifically NS_FORM_INPUT_*)
+   */
+  uint8_t                  mType;
+  nsContentUtils::AutocompleteAttrState mAutocompleteAttrState;
+  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                     mSelectionCached : 1;
+
+private:
+  static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+                                    nsRuleData* aData);
+
+  /**
+   * 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 ||
+           mType == NS_FORM_INPUT_URL || mType == NS_FORM_INPUT_TEL ||
+           mType == NS_FORM_INPUT_PASSWORD;
+  }
+
+  static bool MayFireChangeOnBlur(uint8_t aType) {
+    return IsSingleLineTextControl(false, aType) ||
+           aType == NS_FORM_INPUT_RANGE ||
+           aType == NS_FORM_INPUT_NUMBER ||
+           aType == NS_FORM_INPUT_TIME;
+  }
+
+  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()
+    { }
+
+  public:
+    nsFilePickerShownCallback(HTMLInputElement* aInput,
+                              nsIFilePicker* aFilePicker);
+    NS_DECL_ISUPPORTS
+
+    NS_IMETHOD Done(int16_t aResult) override;
+
+  private:
+    nsCOMPtr<nsIFilePicker> mFilePicker;
+    RefPtr<HTMLInputElement> mInput;
+  };
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif