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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND | |
| 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | |
| 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 23 * SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef DateTimeEditElement_h | |
| 27 #define DateTimeEditElement_h | |
| 28 | |
| 29 #include "core/html/forms/StepRange.h" | |
| 30 #include "core/html/shadow/DateTimeFieldElement.h" | |
| 31 #include "platform/DateComponents.h" | |
| 32 #include "platform/wtf/Allocator.h" | |
| 33 #include "public/platform/WebFocusType.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 class DateTimeFieldsState; | |
| 38 class Locale; | |
| 39 class StepRange; | |
| 40 | |
| 41 // DateTimeEditElement class contains numberic field and symbolc field for | |
| 42 // representing date and time, such as | |
| 43 // - Year, Month, Day Of Month | |
| 44 // - Hour, Minute, Second, Millisecond, AM/PM | |
| 45 class DateTimeEditElement final : public HTMLDivElement, | |
| 46 public DateTimeFieldElement::FieldOwner { | |
| 47 WTF_MAKE_NONCOPYABLE(DateTimeEditElement); | |
| 48 USING_GARBAGE_COLLECTED_MIXIN(DateTimeEditElement); | |
| 49 | |
| 50 public: | |
| 51 // EditControlOwner implementer must call removeEditControlOwner when | |
| 52 // it doesn't handle event, e.g. at destruction. | |
| 53 class EditControlOwner : public GarbageCollectedMixin { | |
| 54 public: | |
| 55 virtual ~EditControlOwner(); | |
| 56 virtual void DidBlurFromControl(WebFocusType) = 0; | |
| 57 virtual void DidFocusOnControl(WebFocusType) = 0; | |
| 58 virtual void EditControlValueChanged() = 0; | |
| 59 virtual String FormatDateTimeFieldsState( | |
| 60 const DateTimeFieldsState&) const = 0; | |
| 61 virtual bool IsEditControlOwnerDisabled() const = 0; | |
| 62 virtual bool IsEditControlOwnerReadOnly() const = 0; | |
| 63 virtual AtomicString LocaleIdentifier() const = 0; | |
| 64 virtual void EditControlDidChangeValueByKeyboard() = 0; | |
| 65 }; | |
| 66 | |
| 67 struct LayoutParameters { | |
| 68 STACK_ALLOCATED(); | |
| 69 String date_time_format; | |
| 70 String fallback_date_time_format; | |
| 71 Locale& locale; | |
| 72 const StepRange step_range; | |
| 73 DateComponents minimum; | |
| 74 DateComponents maximum; | |
| 75 String placeholder_for_day; | |
| 76 String placeholder_for_month; | |
| 77 String placeholder_for_year; | |
| 78 | |
| 79 LayoutParameters(Locale& locale, const StepRange& step_range) | |
| 80 : locale(locale), step_range(step_range) {} | |
| 81 }; | |
| 82 | |
| 83 static DateTimeEditElement* Create(Document&, EditControlOwner&); | |
| 84 | |
| 85 ~DateTimeEditElement() override; | |
| 86 DECLARE_VIRTUAL_TRACE(); | |
| 87 | |
| 88 void AddField(DateTimeFieldElement*); | |
| 89 bool AnyEditableFieldsHaveValues() const; | |
| 90 void BlurByOwner(); | |
| 91 void DefaultEventHandler(Event*) override; | |
| 92 void DisabledStateChanged(); | |
| 93 Element* FieldsWrapperElement() const; | |
| 94 void FocusIfNoFocus(); | |
| 95 // If oldFocusedNode is one of sub-fields, focus on it. Otherwise focus on | |
| 96 // the first sub-field. | |
| 97 void FocusByOwner(Element* old_focused_element = 0); | |
| 98 bool HasFocusedField(); | |
| 99 void ReadOnlyStateChanged(); | |
| 100 void RemoveEditControlOwner() { edit_control_owner_ = nullptr; } | |
| 101 void ResetFields(); | |
| 102 void SetEmptyValue(const LayoutParameters&, | |
| 103 const DateComponents& date_for_read_only_field); | |
| 104 void SetValueAsDate(const LayoutParameters&, const DateComponents&); | |
| 105 void SetValueAsDateTimeFieldsState(const DateTimeFieldsState&); | |
| 106 void SetOnlyYearMonthDay(const DateComponents&); | |
| 107 void StepDown(); | |
| 108 void StepUp(); | |
| 109 String Value() const; | |
| 110 DateTimeFieldsState ValueAsDateTimeFieldsState() const; | |
| 111 | |
| 112 private: | |
| 113 static const size_t kInvalidFieldIndex = static_cast<size_t>(-1); | |
| 114 | |
| 115 // Datetime can be represent at most five fields, such as | |
| 116 // 1. year | |
| 117 // 2. month | |
| 118 // 3. day-of-month | |
| 119 // 4. hour | |
| 120 // 5. minute | |
| 121 // 6. second | |
| 122 // 7. millisecond | |
| 123 // 8. AM/PM | |
| 124 static const int kMaximumNumberOfFields = 8; | |
| 125 | |
| 126 DateTimeEditElement(Document&, EditControlOwner&); | |
| 127 | |
| 128 DateTimeFieldElement* FieldAt(size_t) const; | |
| 129 size_t FieldIndexOf(const DateTimeFieldElement&) const; | |
| 130 DateTimeFieldElement* FocusedField() const; | |
| 131 size_t FocusedFieldIndex() const; | |
| 132 bool FocusOnNextFocusableField(size_t start_index); | |
| 133 bool IsDisabled() const; | |
| 134 bool IsReadOnly() const; | |
| 135 void GetLayout(const LayoutParameters&, const DateComponents&); | |
| 136 void UpdateUIState(); | |
| 137 | |
| 138 // Element function. | |
| 139 PassRefPtr<ComputedStyle> CustomStyleForLayoutObject() override; | |
| 140 bool IsDateTimeEditElement() const override; | |
| 141 | |
| 142 // DateTimeFieldElement::FieldOwner functions. | |
| 143 void DidBlurFromField(WebFocusType) override; | |
| 144 void DidFocusOnField(WebFocusType) override; | |
| 145 void FieldValueChanged() override; | |
| 146 bool FocusOnNextField(const DateTimeFieldElement&) override; | |
| 147 bool FocusOnPreviousField(const DateTimeFieldElement&) override; | |
| 148 bool IsFieldOwnerDisabled() const override; | |
| 149 bool IsFieldOwnerReadOnly() const override; | |
| 150 AtomicString LocaleIdentifier() const override; | |
| 151 void FieldDidChangeValueByKeyboard() override; | |
| 152 | |
| 153 HeapVector<Member<DateTimeFieldElement>, kMaximumNumberOfFields> fields_; | |
| 154 Member<EditControlOwner> edit_control_owner_; | |
| 155 }; | |
| 156 | |
| 157 DEFINE_TYPE_CASTS(DateTimeEditElement, | |
| 158 Element, | |
| 159 element, | |
| 160 element->IsDateTimeEditElement(), | |
| 161 element.IsDateTimeEditElement()); | |
| 162 | |
| 163 } // namespace blink | |
| 164 | |
| 165 #endif | |
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Chromium Code Reviews
Issue 2815263002:
Move form-related files in core/html/shadow to core/html/forms. (Closed)
