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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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLInputElement_h
+#define mozilla_dom_HTMLInputElement_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Decimal.h"
+#include "mozilla/Maybe.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/ConstraintValidation.h"
+#include "mozilla/dom/FileInputType.h"
+#include "mozilla/dom/HiddenInputType.h"
+#include "nsGenericHTMLElement.h"
+#include "nsImageLoadingContent.h"
+#include "nsCOMPtr.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 FormData;
+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;
+
+ 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(
+ 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;
+
+ 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 TextControlElement,
+ public nsImageLoadingContent,
+ public ConstraintValidation {
+ friend class AfterSetFilesOrDirectoriesCallback;
+ friend class DispatchChangeEventCallback;
+ friend class InputType;
+
+ public:
+ using ConstraintValidation::GetValidationMessage;
+ using nsGenericHTMLFormControlElementWithState::GetForm;
+ using nsGenericHTMLFormControlElementWithState::GetFormAction;
+ using ValueSetterOption = TextControlState::ValueSetterOption;
+ using ValueSetterOptions = TextControlState::ValueSetterOptions;
+
+ enum class FromClone { No, Yes };
+
+ HTMLInputElement(already_AddRefed<dom::NodeInfo>&& aNodeInfo,
+ FromParser aFromParser,
+ FromClone aFromClone = FromClone::No);
+
+ NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLInputElement, input)
+
+ // nsISupports
+ NS_DECL_ISUPPORTS_INHERITED
+
+ int32_t TabIndexDefault() override;
+ using nsGenericHTMLElement::Focus;
+
+ // nsINode
+#if !defined(ANDROID) && !defined(XP_MACOSX)
+ bool IsNodeApzAwareInternal() const override;
+#endif
+
+ // Element
+ bool IsInteractiveHTMLContent() const override;
+
+ // nsGenericHTMLElement
+ bool IsDisabledForEvents(WidgetEvent* aEvent) override;
+
+ // nsGenericHTMLFormElement
+ void SaveState() override;
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY bool RestoreState(PresState* aState) override;
+
+ // EventTarget
+ void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
+
+ // Overriden nsIFormControl methods
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ NS_IMETHOD Reset() override;
+ NS_IMETHOD SubmitNamesValues(FormData* aFormData) override;
+ bool AllowDrop() override;
+
+ void FieldSetDisabledChanged(bool aNotify) override;
+
+ // nsIContent
+ bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
+ int32_t* aTabIndex) override;
+
+ bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+ const nsAString& aValue,
+ nsIPrincipal* aMaybeScriptedPrincipal,
+ nsAttrValue& aResult) override;
+
+ bool LastValueChangeWasInteractive() const {
+ return mLastValueChangeWasInteractive;
+ }
+
+ void GetLastInteractiveValue(nsAString&);
+
+ nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
+ int32_t aModType) const override;
+ NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
+ nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
+
+ void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ nsresult PreHandleEvent(EventChainVisitor& aVisitor) override;
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
+ MOZ_CAN_RUN_SCRIPT
+ nsresult MaybeHandleRadioButtonNavigation(EventChainPostVisitor&,
+ uint32_t aKeyCode);
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ void PostHandleEventForRangeThumb(EventChainPostVisitor& aVisitor);
+ MOZ_CAN_RUN_SCRIPT
+ void StartRangeThumbDrag(WidgetGUIEvent* aEvent);
+ MOZ_CAN_RUN_SCRIPT
+ void FinishRangeThumbDrag(WidgetGUIEvent* aEvent = nullptr);
+ MOZ_CAN_RUN_SCRIPT
+ void CancelRangeThumbDrag(bool aIsForUserEvent = true);
+
+ enum class SnapToTickMarks : bool { No, Yes };
+ MOZ_CAN_RUN_SCRIPT
+ void SetValueOfRangeForUserEvent(Decimal aValue,
+ SnapToTickMarks = SnapToTickMarks::No);
+
+ nsresult BindToTree(BindContext&, nsINode& aParent) override;
+ void UnbindFromTree(bool aNullParent = true) override;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ void DoneCreatingElement() override;
+
+ void DestroyContent() override;
+
+ ElementState IntrinsicState() const override;
+
+ void SetLastValueChangeWasInteractive(bool);
+
+ // TextControlElement
+ void SetValueChanged(bool aValueChanged) override;
+ bool IsSingleLineTextControl() const override;
+ bool IsTextArea() const override;
+ bool IsPasswordTextControl() const override;
+ int32_t GetCols() override;
+ int32_t GetWrapCols() override;
+ int32_t GetRows() override;
+ void GetDefaultValueFromContent(nsAString& aValue) override;
+ bool ValueChanged() const override;
+ void GetTextEditorValue(nsAString& aValue, bool aIgnoreWrap) const override;
+ MOZ_CAN_RUN_SCRIPT TextEditor* GetTextEditor() override;
+ TextEditor* GetTextEditorWithoutCreation() override;
+ nsISelectionController* GetSelectionController() override;
+ nsFrameSelection* GetConstFrameSelection() override;
+ TextControlState* GetTextControlState() const override {
+ return GetEditorState();
+ }
+ nsresult BindToFrame(nsTextControlFrame* aFrame) override;
+ MOZ_CAN_RUN_SCRIPT void UnbindFromFrame(nsTextControlFrame* aFrame) override;
+ MOZ_CAN_RUN_SCRIPT nsresult CreateEditor() override;
+ void SetPreviewValue(const nsAString& aValue) override;
+ void GetPreviewValue(nsAString& aValue) override;
+ void EnablePreview() override;
+ bool IsPreviewEnabled() override;
+ void InitializeKeyboardEventListeners() override;
+ void OnValueChanged(ValueChangeKind, bool aNewValueEmpty,
+ const nsAString* aKnownNewValue) override;
+ void GetValueFromSetRangeText(nsAString& aValue) override;
+ MOZ_CAN_RUN_SCRIPT nsresult
+ SetValueFromSetRangeText(const nsAString& aValue) override;
+ bool HasCachedSelection() override;
+ MOZ_CAN_RUN_SCRIPT void SetRevealPassword(bool aValue);
+ bool RevealPassword() const;
+
+ /**
+ * 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;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLInputElement, TextControlElement)
+
+ 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;
+ Maybe<bool> HasPatternMismatch() const;
+ bool IsRangeOverflow() const;
+ bool IsRangeUnderflow() const;
+ bool ValueIsStepMismatch(const Decimal& aValue) const;
+ bool HasStepMismatch() 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);
+ MOZ_CAN_RUN_SCRIPT
+ 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 == FormControlType::InputEmail) {
+ UpdateAllValidityStates(aNotify);
+ }
+ }
+
+ // 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:
+ * 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 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);
+
+ 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);
+
+ HTMLDataListElement* 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)) {
+ 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);
+ }
+
+ 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) {
+ aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
+ return;
+ }
+
+ 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) const;
+ 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);
+ }
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ 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();
+
+ MOZ_CAN_RUN_SCRIPT 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);
+
+ void ShowPicker(ErrorResult& 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);
+
+ already_AddRefed<Promise> GetFilesAndDirectories(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);
+ MOZ_CAN_RUN_SCRIPT
+ void StepNumberControlForUserEvent(int32_t aDirection);
+
+ /**
+ * The callback function used by the nsRepeatService that we use to spin the
+ * spinner for <input type=number>.
+ */
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ 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); }
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ void SetUserInput(const nsAString& aInput, nsIPrincipal& aSubjectPrincipal);
+
+ /**
+ * 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);
+
+ /**
+ * 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(ElementState::REQUIRED); }
+
+ bool HasBeenTypePassword() const { 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 {
+ return State().HasState(ElementState::VALUE_EMPTY);
+ }
+
+ // Parse a simple (hex) color.
+ static mozilla::Maybe<nscolor> ParseSimpleColor(const nsAString& aColor);
+
+ protected:
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual ~HTMLInputElement();
+
+ JSObject* WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ // Pull IsSingleLineTextControl into our scope, otherwise it'd be hidden
+ // by the TextControlElement version.
+ using nsGenericHTMLFormControlElementWithState::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 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 aOptions See TextControlState::ValueSetterOption.
+ */
+ MOZ_CAN_RUN_SCRIPT nsresult
+ SetValueInternal(const nsAString& aValue, const nsAString* aOldValue,
+ const ValueSetterOptions& aOptions);
+ MOZ_CAN_RUN_SCRIPT nsresult SetValueInternal(
+ const nsAString& aValue, const ValueSetterOptions& aOptions) {
+ return SetValueInternal(aValue, nullptr, aOptions);
+ }
+
+ // 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;
+
+ void ClearFiles(bool aSetValueChanged);
+
+ void SetIndeterminateInternal(bool aValue, bool aShouldInvalidate);
+
+ /**
+ * Called when an attribute is about to be changed
+ */
+ void BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+ const nsAttrValue* aValue, bool aNotify) override;
+ /**
+ * Called when an attribute has just been changed
+ */
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+ const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+ nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
+
+ void BeforeSetForm(HTMLFormElement* aForm, bool aBindToTree) override;
+
+ void AfterClearForm(bool aUnbindOrDelete) override;
+
+ void ResultForDialogSubmit(nsAString& aResult) override;
+
+ 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);
+
+ /**
+ * 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 void MaybeSubmitForm(nsPresContext* aPresContext);
+
+ /**
+ * 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: https://html.spec.whatwg.org/#concept-fe-mutable
+ */
+ 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 TextEditor* GetTextEditorFromState();
+
+ /**
+ * Manages the internal data storage across type changes.
+ */
+ MOZ_CAN_RUN_SCRIPT
+ void HandleTypeChange(FormControlType aNewType, bool aNotify);
+
+ enum class ForValueGetter { No, Yes };
+
+ /**
+ * If the input range has a list, this function will snap the given value to
+ * the nearest tick mark, but only if the given value is close enough to that
+ * tick mark.
+ */
+ void MaybeSnapToTickMark(Decimal& aValue);
+
+ /**
+ * 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, 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
+ * VALUE_MODE_VALUE.
+ */
+ MOZ_CAN_RUN_SCRIPT
+ nsresult SetDefaultValueAsValue();
+
+ /**
+ * Sets the direction from the input value. if aKnownValue is provided, it
+ * saves a GetValue call.
+ */
+ void SetDirectionFromValue(bool aNotify,
+ const nsAString* aKnownValue = nullptr);
+
+ /**
+ * 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;
+ }
+
+ 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:
+ * 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, CallerType aCallerType);
+
+ /**
+ * 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(FormControlType);
+
+ /*
+ * Returns if the current type is one of the date/time input types: date,
+ * time, month, week and datetime-local.
+ */
+ static bool IsDateTimeInputType(FormControlType);
+
+ /**
+ * 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);
+
+ /**
+ * Returns all valid colors in the <datalist> for the input with type=color.
+ */
+ nsTArray<nsString> GetColorsFromList();
+
+ enum FilePickerType { FILE_PICKER_FILE, FILE_PICKER_DIRECTORY };
+ nsresult InitFilePicker(FilePickerType aType);
+ nsresult InitColorPicker();
+
+ 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 =
+ sizeof(Variant<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;
+ // https://html.spec.whatwg.org/#concept-fe-dirty
+ // TODO: Maybe rename to match the spec?
+ 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;
+
+ private:
+ 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 {
+ switch (mType) {
+ case FormControlType::InputText:
+ case FormControlType::InputSearch:
+ case FormControlType::InputUrl:
+ case FormControlType::InputTel:
+ case FormControlType::InputPassword:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ static bool CreatesDateTimeWidget(FormControlType aType) {
+ return aType == FormControlType::InputDate ||
+ aType == FormControlType::InputTime ||
+ aType == FormControlType::InputDatetimeLocal;
+ }
+
+ bool CreatesDateTimeWidget() const { return CreatesDateTimeWidget(mType); }
+
+ static bool MayFireChangeOnBlur(FormControlType aType) {
+ return IsSingleLineTextControl(false, aType) ||
+ CreatesDateTimeWidget(aType) ||
+ aType == FormControlType::InputRange ||
+ aType == FormControlType::InputNumber;
+ }
+
+ /**
+ * Call MaybeDispatchPasswordEvent or MaybeDispatchUsernameEvent
+ * in order to dispatch LoginManager events.
+ */
+ void MaybeDispatchLoginManagerEvents(HTMLFormElement* aForm);
+
+ /**
+ * Fire an event when the password input field is removed from the DOM tree.
+ * This is now only used by the password manager.
+ */
+ void MaybeFireInputPasswordRemoved();
+
+ /**
+ * Checks if aDateTimeInputType should be supported.
+ */
+ static bool IsDateTimeTypeSupported(FormControlType);
+
+ 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;
+
+ public:
+ nsFilePickerShownCallback(HTMLInputElement* aInput,
+ nsIFilePicker* aFilePicker);
+ NS_DECL_ISUPPORTS
+
+ NS_IMETHOD Done(nsIFilePicker::ResultCode aResult) override;
+
+ private:
+ nsCOMPtr<nsIFilePicker> mFilePicker;
+ const RefPtr<HTMLInputElement> mInput;
+ };
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif