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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2011 Apple Inc. All rights reserved.
* Copyright (C) 2012 Samsung Electronics. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_INPUT_TYPE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_INPUT_TYPE_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/frame/web_feature_forward.h"
#include "third_party/blink/renderer/core/html/forms/color_chooser_client.h"
#include "third_party/blink/renderer/core/html/forms/step_range.h"
#include "third_party/blink/renderer/core/html/forms/text_control_element.h"
namespace blink {
class ChromeClient;
class DragData;
class ExceptionState;
class FileList;
class FormData;
class InputTypeView;
// An InputType object represents the type-specific part of an HTMLInputElement.
// Do not expose instances of InputType and classes derived from it to classes
// other than HTMLInputElement.
class CORE_EXPORT InputType : public GarbageCollected<InputType> {
public:
static InputType* Create(HTMLInputElement&, const AtomicString&);
static const AtomicString& NormalizeTypeName(const AtomicString&);
virtual ~InputType();
virtual void Trace(Visitor*);
virtual InputTypeView* CreateView() = 0;
virtual const AtomicString& FormControlType() const = 0;
// Type query functions
// Any time we are using one of these functions it's best to refactor
// to add a virtual function to allow the input type object to do the
// work instead, or at least make a query function that asks a higher
// level question. These functions make the HTMLInputElement class
// inflexible because it's harder to add new input types if there is
// scattered code with special cases for various types.
virtual bool IsInteractiveContent() const;
virtual bool IsTextButton() const;
virtual bool IsTextField() const;
// Form value functions
virtual bool ShouldSaveAndRestoreFormControlState() const;
virtual bool IsFormDataAppendable() const;
virtual void AppendToFormData(FormData&) const;
virtual String ResultForDialogSubmit() const;
// DOM property functions
// Returns a string value in ValueMode::kFilename.
virtual String ValueInFilenameValueMode() const;
// Default string to be used for showing button and form submission if |value|
// is missing.
virtual String DefaultLabel() const;
// https://html.spec.whatwg.org/C/#dom-input-value
enum class ValueMode { kValue, kDefault, kDefaultOn, kFilename };
virtual ValueMode GetValueMode() const = 0;
virtual double ValueAsDate() const;
virtual void SetValueAsDate(const base::Optional<base::Time>&,
ExceptionState&) const;
virtual double ValueAsDouble() const;
virtual void SetValueAsDouble(double,
TextFieldEventBehavior,
ExceptionState&) const;
virtual void SetValueAsDecimal(const Decimal&,
TextFieldEventBehavior,
ExceptionState&) const;
virtual void ReadingChecked() const;
// Validation functions
// Returns a validation message as .first, and title attribute value as
// .second if patternMismatch.
std::pair<String, String> ValidationMessage(const InputTypeView&) const;
virtual bool SupportsValidation() const;
virtual bool TypeMismatchFor(const String&) const;
// Type check for the current input value. We do nothing for some types
// though typeMismatchFor() does something for them because of value
// sanitization.
virtual bool TypeMismatch() const;
virtual bool SupportsRequired() const;
virtual bool ValueMissing(const String&) const;
virtual bool PatternMismatch(const String&) const;
virtual bool TooLong(const String&,
TextControlElement::NeedsToCheckDirtyFlag) const;
virtual bool TooShort(const String&,
TextControlElement::NeedsToCheckDirtyFlag) const;
bool RangeUnderflow(const String&) const;
bool RangeOverflow(const String&) const;
bool IsInRange(const String&) const;
bool IsOutOfRange(const String&) const;
void InRangeChanged() const;
virtual Decimal DefaultValueForStepUp() const;
double Minimum() const;
double Maximum() const;
bool StepMismatch(const String&) const;
bool GetAllowedValueStep(Decimal*) const;
virtual StepRange CreateStepRange(AnyStepHandling) const;
void StepUp(double, ExceptionState&);
void StepUpFromLayoutObject(int);
virtual String BadInputText() const;
virtual String RangeOverflowText(const Decimal& maximum) const;
virtual String RangeUnderflowText(const Decimal& minimum) const;
virtual String TypeMismatchText() const;
virtual String ValueMissingText() const;
virtual bool CanSetStringValue() const;
virtual String LocalizeValue(const String&) const;
virtual String VisibleValue() const;
// Returing the null string means "use the default value."
// This function must be called only by HTMLInputElement::sanitizeValue().
virtual String SanitizeValue(const String&) const;
virtual String SanitizeUserInputValue(const String&) const;
virtual void WarnIfValueIsInvalid(const String&) const;
void WarnIfValueIsInvalidAndElementIsVisible(const String&) const;
virtual bool IsKeyboardFocusable() const;
virtual bool MayTriggerVirtualKeyboard() const;
virtual bool CanBeSuccessfulSubmitButton();
virtual bool MatchesDefaultPseudoClass();
// Miscellaneous functions
virtual bool LayoutObjectIsNeeded();
virtual void CountUsage();
virtual void SanitizeValueInResponseToMinOrMaxAttributeChange();
virtual bool ShouldRespectAlignAttribute();
virtual FileList* Files();
// Should return true if the file list was were changed.
virtual bool SetFiles(FileList*);
virtual void SetFilesAndDispatchEvents(FileList*);
virtual void SetFilesFromPaths(const Vector<String>&);
// Should return true if the given DragData has more than one dropped files.
virtual bool ReceiveDroppedFiles(const DragData*);
virtual String DroppedFileSystemId();
// Should return true if the corresponding layoutObject for a type can display
// a suggested value.
virtual bool CanSetSuggestedValue();
virtual bool ShouldSendChangeEventAfterCheckedChanged();
virtual bool CanSetValue(const String&);
virtual void SetValue(const String&,
bool value_changed,
TextFieldEventBehavior,
TextControlSetValueSelection);
virtual bool ShouldRespectListAttribute();
virtual bool IsEnumeratable();
virtual bool IsCheckable();
virtual bool IsSteppable() const;
virtual bool ShouldRespectHeightAndWidthAttributes();
virtual int MaxLength() const;
virtual int MinLength() const;
virtual bool SupportsPlaceholder() const;
virtual bool SupportsReadOnly() const;
virtual String DefaultToolTip(const InputTypeView&) const;
virtual Decimal FindClosestTickMarkValue(const Decimal&);
virtual bool HasLegalLinkAttribute(const QualifiedName&) const;
virtual const QualifiedName& SubResourceAttributeName() const;
virtual void CopyNonAttributeProperties(const HTMLInputElement&);
virtual void OnAttachWithLayoutObject();
// Parses the specified string for the type, and return
// the Decimal value for the parsing result if the parsing
// succeeds; Returns defaultValue otherwise. This function can
// return NaN or Infinity only if defaultValue is NaN or Infinity.
virtual Decimal ParseToNumber(const String&,
const Decimal& default_value) const;
// Create a string representation of the specified Decimal value for the
// input type. If NaN or Infinity is specified, this returns an empty
// string. This should not be called for types without valueAsNumber.
virtual String Serialize(const Decimal&) const;
virtual bool ShouldAppearIndeterminate() const;
virtual bool SupportsInputModeAttribute() const;
virtual bool SupportsSelectionAPI() const;
// Gets width and height of the input element if the type of the
// element is image. It returns 0 if the element is not image type.
virtual unsigned Height() const;
virtual unsigned Width() const;
virtual void DispatchSearchEvent();
// For test purpose
virtual ColorChooserClient* GetColorChooserClient();
protected:
InputType(HTMLInputElement& element) : element_(element) {}
HTMLInputElement& GetElement() const { return *element_; }
ChromeClient* GetChromeClient() const;
Locale& GetLocale() const;
Decimal ParseToNumberOrNaN(const String&) const;
void CountUsageIfVisible(WebFeature) const;
// Derive the step base, following the HTML algorithm steps.
Decimal FindStepBase(const Decimal&) const;
StepRange CreateStepRange(AnyStepHandling,
const Decimal& step_base_default,
const Decimal& minimum_default,
const Decimal& maximum_default,
const StepRange::StepDescription&) const;
void AddWarningToConsole(const char* message_format,
const String& value) const;
private:
// Helper for stepUp()/stepDown(). Adds step value * count to the current
// value.
void ApplyStep(const Decimal&,
double count,
AnyStepHandling,
TextFieldEventBehavior,
ExceptionState&);
Member<HTMLInputElement> element_;
DISALLOW_COPY_AND_ASSIGN(InputType);
};
} // namespace blink
#endif
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