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| 1 /* | |
| 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) 2010 Google Inc. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are | |
| 7 * met: | |
| 8 * | |
| 9 * * Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * * Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following disclaimer | |
| 13 * in the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * * Neither the name of Google Inc. nor the names of its | |
| 16 * contributors may be used to endorse or promote products derived from | |
| 17 * this software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 #ifndef SliderThumbElement_h | |
| 33 #define SliderThumbElement_h | |
| 34 | |
| 35 #include "core/HTMLNames.h" | |
| 36 #include "core/html/HTMLDivElement.h" | |
| 37 #include "platform/wtf/Forward.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 class HTMLInputElement; | |
| 42 class Event; | |
| 43 class TouchEvent; | |
| 44 | |
| 45 class SliderThumbElement final : public HTMLDivElement { | |
| 46 public: | |
| 47 static SliderThumbElement* Create(Document&); | |
| 48 | |
| 49 void SetPositionFromValue(); | |
| 50 | |
| 51 void DragFrom(const LayoutPoint&); | |
| 52 void DefaultEventHandler(Event*) override; | |
| 53 bool WillRespondToMouseMoveEvents() override; | |
| 54 bool WillRespondToMouseClickEvents() override; | |
| 55 void DetachLayoutTree(const AttachContext& = AttachContext()) override; | |
| 56 const AtomicString& ShadowPseudoId() const override; | |
| 57 HTMLInputElement* HostInput() const; | |
| 58 void SetPositionFromPoint(const LayoutPoint&); | |
| 59 void StopDragging(); | |
| 60 | |
| 61 private: | |
| 62 SliderThumbElement(Document&); | |
| 63 LayoutObject* CreateLayoutObject(const ComputedStyle&) override; | |
| 64 Element* CloneElementWithoutAttributesAndChildren() override; | |
| 65 bool IsDisabledFormControl() const override; | |
| 66 bool MatchesReadOnlyPseudoClass() const override; | |
| 67 bool MatchesReadWritePseudoClass() const override; | |
| 68 Node* FocusDelegate() override; | |
| 69 void StartDragging(); | |
| 70 | |
| 71 bool | |
| 72 in_drag_mode_; // Mouse only. Touch is handled by SliderContainerElement. | |
| 73 }; | |
| 74 | |
| 75 inline Element* SliderThumbElement::CloneElementWithoutAttributesAndChildren() { | |
| 76 return Create(GetDocument()); | |
| 77 } | |
| 78 | |
| 79 // FIXME: There are no ways to check if a node is a SliderThumbElement. | |
| 80 DEFINE_ELEMENT_TYPE_CASTS(SliderThumbElement, IsHTMLElement()); | |
| 81 | |
| 82 class SliderContainerElement final : public HTMLDivElement { | |
| 83 public: | |
| 84 enum Direction { | |
| 85 kHorizontal, | |
| 86 kVertical, | |
| 87 kNoMove, | |
| 88 }; | |
| 89 | |
| 90 DECLARE_NODE_FACTORY(SliderContainerElement); | |
| 91 HTMLInputElement* HostInput() const; | |
| 92 void DefaultEventHandler(Event*) override; | |
| 93 void HandleTouchEvent(TouchEvent*); | |
| 94 void UpdateTouchEventHandlerRegistry(); | |
| 95 void DidMoveToNewDocument(Document&) override; | |
| 96 void RemoveAllEventListeners() override; | |
| 97 | |
| 98 private: | |
| 99 explicit SliderContainerElement(Document&); | |
| 100 LayoutObject* CreateLayoutObject(const ComputedStyle&) override; | |
| 101 const AtomicString& ShadowPseudoId() const override; | |
| 102 Direction GetDirection(LayoutPoint&, LayoutPoint&); | |
| 103 bool CanSlide(); | |
| 104 | |
| 105 bool has_touch_event_handler_; | |
| 106 bool touch_started_; | |
| 107 Direction sliding_direction_; | |
| 108 LayoutPoint start_point_; | |
| 109 }; | |
| 110 | |
| 111 } // namespace blink | |
| 112 | |
| 113 #endif | |
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Chromium Code Reviews
Issue 2815263002:
Move form-related files in core/html/shadow to core/html/forms. (Closed)
