/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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 "nsIFilePicker.h" #include "nsIContentPrefService2.h" #include "mozilla/Decimal.h" #include "nsContentUtils.h" #include "nsTextEditorState.h" class nsIRadioGroupContainer; class nsIRadioGroupVisitor; class nsIRadioVisitor; namespace mozilla { class EventChainPostVisitor; class EventChainPreVisitor; namespace dom { class Date; class DirPickerFileListBuilderTask; class File; class FileList; class UploadLastDir MOZ_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 MOZ_FINAL : public nsIContentPrefCallback2 { virtual ~ContentPrefCallback() { } public: ContentPrefCallback(nsIFilePicker* aFilePicker, nsIFilePickerShownCallback* aFpCallback) : mFilePicker(aFilePicker) , mFpCallback(aFpCallback) { } NS_DECL_ISUPPORTS NS_DECL_NSICONTENTPREFCALLBACK2 nsCOMPtr mFilePicker; nsCOMPtr mFpCallback; nsCOMPtr mResult; }; }; class HTMLInputElement MOZ_FINAL : public nsGenericHTMLFormElementWithState, public nsImageLoadingContent, public nsIDOMHTMLInputElement, public nsITextControlElement, public nsIPhonetic, public nsIDOMNSEditableElement, public nsITimerCallback, public nsIConstraintValidation { friend class DirPickerFileListBuilderTask; public: using nsIConstraintValidation::GetValidationMessage; using nsIConstraintValidation::CheckValidity; using nsIConstraintValidation::WillValidate; using nsIConstraintValidation::Validity; using nsGenericHTMLFormElementWithState::GetForm; HTMLInputElement(already_AddRefed& aNodeInfo, mozilla::dom::FromParser aFromParser); NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLInputElement, input) // nsISupports NS_DECL_ISUPPORTS_INHERITED virtual int32_t TabIndexDefault() MOZ_OVERRIDE; using nsGenericHTMLElement::Focus; virtual void Blur(ErrorResult& aError) MOZ_OVERRIDE; virtual void Focus(ErrorResult& aError) MOZ_OVERRIDE; // Element virtual bool IsInteractiveHTMLContent() const MOZ_OVERRIDE; // nsIDOMHTMLInputElement NS_DECL_NSIDOMHTMLINPUTELEMENT // nsIPhonetic NS_DECL_NSIPHONETIC // nsIDOMNSEditableElement NS_IMETHOD GetEditor(nsIEditor** aEditor) MOZ_OVERRIDE { return nsGenericHTMLElement::GetEditor(aEditor); } NS_IMETHOD SetUserInput(const nsAString& aInput) MOZ_OVERRIDE; // Overriden nsIFormControl methods NS_IMETHOD_(uint32_t) GetType() const MOZ_OVERRIDE { return mType; } NS_IMETHOD Reset() MOZ_OVERRIDE; NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission) MOZ_OVERRIDE; NS_IMETHOD SaveState() MOZ_OVERRIDE; virtual bool RestoreState(nsPresState* aState) MOZ_OVERRIDE; virtual bool AllowDrop() MOZ_OVERRIDE; virtual bool IsDisabledForEvents(uint32_t aMessage) MOZ_OVERRIDE; virtual void FieldSetDisabledChanged(bool aNotify) MOZ_OVERRIDE; // nsIContent virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) MOZ_OVERRIDE; virtual bool ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute, const nsAString& aValue, nsAttrValue& aResult) MOZ_OVERRIDE; virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute, int32_t aModType) const MOZ_OVERRIDE; NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const MOZ_OVERRIDE; virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const MOZ_OVERRIDE; virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE; virtual nsresult PostHandleEvent( EventChainPostVisitor& aVisitor) MOZ_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) MOZ_OVERRIDE; virtual void UnbindFromTree(bool aDeep = true, bool aNullParent = true) MOZ_OVERRIDE; virtual void DoneCreatingElement() MOZ_OVERRIDE; virtual EventStates IntrinsicState() const MOZ_OVERRIDE; // Element private: virtual void AddStates(EventStates aStates) MOZ_OVERRIDE; virtual void RemoveStates(EventStates aStates) MOZ_OVERRIDE; public: // nsITextControlElement NS_IMETHOD SetValueChanged(bool aValueChanged) MOZ_OVERRIDE; NS_IMETHOD_(bool) IsSingleLineTextControl() const MOZ_OVERRIDE; NS_IMETHOD_(bool) IsTextArea() const MOZ_OVERRIDE; NS_IMETHOD_(bool) IsPlainTextControl() const MOZ_OVERRIDE; NS_IMETHOD_(bool) IsPasswordTextControl() const MOZ_OVERRIDE; NS_IMETHOD_(int32_t) GetCols() MOZ_OVERRIDE; NS_IMETHOD_(int32_t) GetWrapCols() MOZ_OVERRIDE; NS_IMETHOD_(int32_t) GetRows() MOZ_OVERRIDE; NS_IMETHOD_(void) GetDefaultValueFromContent(nsAString& aValue) MOZ_OVERRIDE; NS_IMETHOD_(bool) ValueChanged() const MOZ_OVERRIDE; NS_IMETHOD_(void) GetTextEditorValue(nsAString& aValue, bool aIgnoreWrap) const MOZ_OVERRIDE; NS_IMETHOD_(nsIEditor*) GetTextEditor() MOZ_OVERRIDE; NS_IMETHOD_(nsISelectionController*) GetSelectionController() MOZ_OVERRIDE; NS_IMETHOD_(nsFrameSelection*) GetConstFrameSelection() MOZ_OVERRIDE; NS_IMETHOD BindToFrame(nsTextControlFrame* aFrame) MOZ_OVERRIDE; NS_IMETHOD_(void) UnbindFromFrame(nsTextControlFrame* aFrame) MOZ_OVERRIDE; NS_IMETHOD CreateEditor() MOZ_OVERRIDE; NS_IMETHOD_(nsIContent*) GetRootEditorNode() MOZ_OVERRIDE; NS_IMETHOD_(Element*) CreatePlaceholderNode() MOZ_OVERRIDE; NS_IMETHOD_(Element*) GetPlaceholderNode() MOZ_OVERRIDE; NS_IMETHOD_(void) UpdatePlaceholderVisibility(bool aNotify) MOZ_OVERRIDE; NS_IMETHOD_(bool) GetPlaceholderVisibility() MOZ_OVERRIDE; NS_IMETHOD_(void) InitializeKeyboardEventListeners() MOZ_OVERRIDE; NS_IMETHOD_(void) OnValueChanged(bool aNotify) MOZ_OVERRIDE; NS_IMETHOD_(bool) HasCachedSelection() MOZ_OVERRIDE; void GetDisplayFileName(nsAString& aFileName) const; const nsTArray>& GetFilesInternal() const { return mFiles; } void SetFiles(const nsTArray>& aFiles, bool aSetValueChanged); void SetFiles(nsIDOMFileList* aFiles, bool aSetValueChanged); // 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 GetSelectedRadioButton(); virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const MOZ_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(); 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; } // nsITimerCallback NS_DECL_NSITIMERCALLBACK // Avoid warning about the implementation of nsITimerCallback::Notify hiding // our nsImageLoadingContent base class' implementation of // imgINotificationObserver::Notify: using nsImageLoadingContent::Notify; // nsIConstraintValidation bool IsTooLong(); 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 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) MOZ_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& 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(); void OpenDirectoryPicker(ErrorResult& aRv); void CancelDirectoryPickerScanIfRunning(); void StartProgressEventTimer(); void MaybeDispatchProgressEvent(bool aFinalProgress); void DispatchProgressEvent(const nsAString& aType, bool aLengthComputable, uint64_t aLoaded, uint64_t aTotal); // 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, 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) { if (aValue < 0) { aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); return; } SetHTMLIntAttr(nsGkAtoms::maxlength, 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, 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); if (aValue.EqualsLiteral("number")) { // For NS_FORM_INPUT_NUMBER we rely on having frames to process key // events. Make sure we have them in case someone changes the type of // this element to "number" and then expects to be able to send key // events to it (type changes are rare, so not a big perf issue): FlushFrames(); } } // XPCOM GetDefaultValue() is OK void SetDefaultValue(const nsAString& aValue, ErrorResult& aRv) { SetHTMLAttr(nsGkAtoms::value, aValue, aRv); } // XPCOM GetValue() is OK void SetValue(const nsAString& aValue, ErrorResult& aRv); Nullable GetValueAsDate(ErrorResult& aRv); void SetValueAsDate(Nullable, ErrorResult& aRv); double ValueAsNumber() const { return DoesValueAsNumberApply() ? GetValueAsDecimal().toDouble() : UnspecifiedNaN(); } void SetValueAsNumber(double aValue, ErrorResult& aRv); uint32_t Width(); void SetWidth(uint32_t aValue, ErrorResult& aRv) { SetUnsignedIntAttr(nsGkAtoms::width, aValue, 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 int32_t GetSelectionStart(ErrorResult& aRv); void SetSelectionStart(int32_t aValue, ErrorResult& aRv); int32_t GetSelectionEnd(ErrorResult& aRv); void SetSelectionEnd(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); // 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); void MozSetFileNameArray(const Sequence< nsString >& aFileNames); void MozSetFileArray(const Sequence>& aFiles); HTMLInputElement* GetOwnerNumberControl(); void StartNumberControlSpinnerSpin(); void StopNumberControlSpinnerSpin(); void StepNumberControlForUserEvent(int32_t aDirection); /** * The callback function used by the nsRepeatService that we use to spin the * spinner for . */ static void HandleNumberControlSpin(void* aData); bool NumberSpinnerUpButtonIsDepressed() const { return mNumberControlSpinnerIsSpinning && mNumberControlSpinnerSpinsUp; } bool NumberSpinnerDownButtonIsDepressed() const { return mNumberControlSpinnerIsSpinning && !mNumberControlSpinnerSpinsUp; } bool MozIsTextField(bool aExcludePassword); nsIEditor* GetEditor(); // XPCOM SetUserInput() is OK // 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); protected: virtual ~HTMLInputElement(); virtual JSObject* WrapNode(JSContext* aCx) MOZ_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 nsresult SetValueInternal(const nsAString& aValue, bool aUserInput, bool aSetValueChanged); 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, const nsAttrValueOrString* aValue, bool aNotify) MOZ_OVERRIDE; /** * Called when an attribute has just been changed */ virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName, const nsAttrValue* aValue, bool aNotify) MOZ_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. */ nsresult UpdateFileList(); /** * Called after calling one of the SetFiles() functions. */ void AfterSetFiles(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 { 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; /** * Returns if the maxlength attribute applies for the current type. */ bool MaxLengthApplies() 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 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 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 GetValueAsDate(const nsAString& aValue, uint32_t* aYear, uint32_t* aMonth, uint32_t* aDay) 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; /** * 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) { return aType == NS_FORM_INPUT_DATE || aType == NS_FORM_INPUT_TIME; } /** * 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(); /** * 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; nsCOMPtr 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 filenames * 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 * SetFileNames to update this member. */ nsTArray> mFiles; nsRefPtr mFileList; nsRefPtr mDirPickerFileListBuilderTask; 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; /** * Timer that is used when mType == NS_FORM_INPUT_FILE and the user selects a * directory. It is used to fire progress events while the list of files * under that directory tree is built. */ nsCOMPtr mProgressTimer; /** * 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; // Default step base value when a type do not have specific one. static const Decimal kDefaultStepBase; // 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; /** * The type of this input () as an integer. * @see nsIFormControl.h (specifically NS_FORM_INPUT_*) */ uint8_t mType; nsContentUtils::AutocompleteAttrState mAutocompleteAttrState; bool mDisabledChanged : 1; bool mValueChanged : 1; bool mCheckedChanged : 1; bool mChecked : 1; bool mHandlingSelectEvent : 1; bool mShouldInitChecked : 1; bool mParserCreating : 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 mProgressTimerIsActive : 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 setRangeText can be called on element */ bool SupportsSetRangeText() 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 || mType == NS_FORM_INPUT_NUMBER; } static bool MayFireChangeOnBlur(uint8_t aType) { return IsSingleLineTextControl(false, aType) || aType == NS_FORM_INPUT_RANGE || aType == NS_FORM_INPUT_NUMBER; } 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) MOZ_OVERRIDE; private: nsCOMPtr mFilePicker; nsRefPtr mInput; }; }; } // namespace dom } // namespace mozilla #endif