| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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_DATE_TIME_FIELD_ELEMENT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_DATE_TIME_FIELD_ELEMENT_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/public/mojom/input/focus_type.mojom-blink-forward.h" |
| #include "third_party/blink/renderer/core/html/html_div_element.h" |
| #include "third_party/blink/renderer/core/html/html_span_element.h" |
| |
| namespace blink { |
| |
| class DateComponents; |
| class DateTimeFieldsState; |
| |
| enum class DateTimeField { |
| kYear, |
| kMonth, |
| kWeek, |
| kDay, |
| kHour, |
| kMinute, |
| kSecond, |
| kMillisecond, |
| kAMPM, |
| }; |
| |
| // DateTimeFieldElement is base class of date time field element. |
| class DateTimeFieldElement : public HTMLSpanElement { |
| public: |
| enum EventBehavior { |
| kDispatchNoEvent, |
| kDispatchEvent, |
| }; |
| enum FieldRolloverType { kPastMin, kPastMax, kToPm }; |
| |
| // FieldOwner implementer must call removeEventHandler when |
| // it doesn't handle event, e.g. at destruction. |
| class FieldOwner : public GarbageCollectedMixin { |
| public: |
| virtual ~FieldOwner(); |
| virtual void DidBlurFromField(mojom::blink::FocusType) = 0; |
| virtual void DidFocusOnField(mojom::blink::FocusType) = 0; |
| virtual void FieldValueChanged() = 0; |
| virtual bool FocusOnNextField(const DateTimeFieldElement&) = 0; |
| virtual bool FocusOnPreviousField(const DateTimeFieldElement&) = 0; |
| virtual void HandleAmPmRollover(FieldRolloverType) {} |
| virtual bool IsFieldOwnerDisabled() const = 0; |
| virtual bool IsFieldOwnerReadOnly() const = 0; |
| virtual AtomicString LocaleIdentifier() const = 0; |
| virtual void FieldDidChangeValueByKeyboard() = 0; |
| }; |
| |
| void DefaultEventHandler(Event&) override; |
| virtual bool HasValue() const = 0; |
| bool IsDisabled() const; |
| virtual float MaximumWidth(const ComputedStyle&); |
| virtual String Placeholder() const = 0; |
| virtual void PopulateDateTimeFieldsState(DateTimeFieldsState&) = 0; |
| void RemoveEventHandler() { field_owner_ = nullptr; } |
| void SetDisabled(); |
| virtual void SetEmptyValue(EventBehavior = kDispatchNoEvent) = 0; |
| virtual void SetValueAsDate(const DateComponents&) = 0; |
| virtual void SetValueAsDateTimeFieldsState(const DateTimeFieldsState&) = 0; |
| virtual void SetValueAsInteger(int, EventBehavior = kDispatchNoEvent) = 0; |
| virtual void StepDown() = 0; |
| virtual void StepUp() = 0; |
| virtual String Value() const = 0; |
| virtual String VisibleValue() const = 0; |
| void Trace(Visitor*) const override; |
| DateTimeField Type() const; |
| |
| static float ComputeTextWidth(const ComputedStyle&, const String&); |
| |
| protected: |
| DateTimeFieldElement(Document&, FieldOwner&, DateTimeField); |
| void FocusOnNextField(); |
| void HandleAmPmRollover(FieldRolloverType); |
| virtual void HandleKeyboardEvent(KeyboardEvent&) = 0; |
| void Initialize(const AtomicString& pseudo, |
| const String& ax_help_text, |
| int ax_minimum, |
| int ax_maximum); |
| Locale& LocaleForOwner() const; |
| AtomicString LocaleIdentifier() const; |
| void UpdateVisibleValue(EventBehavior); |
| virtual int ValueAsInteger() const = 0; |
| virtual int ValueForARIAValueNow() const; |
| |
| // Node functions. |
| void SetFocused(bool, mojom::blink::FocusType) override; |
| |
| private: |
| void DefaultKeyboardEventHandler(KeyboardEvent&); |
| bool IsDateTimeFieldElement() const final; |
| bool IsFieldOwnerDisabled() const; |
| bool IsFieldOwnerReadOnly() const; |
| bool SupportsFocus() const final; |
| |
| Member<FieldOwner> field_owner_; |
| DateTimeField type_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DateTimeFieldElement); |
| }; |
| |
| } // namespace blink |
| |
| #endif |