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| 1 /* | |
| 2 * Copyright (C) 2006, 2008, 2010 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 | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #ifndef SpinButtonElement_h | |
| 28 #define SpinButtonElement_h | |
| 29 | |
| 30 #include "core/CoreExport.h" | |
| 31 #include "core/html/HTMLDivElement.h" | |
| 32 #include "core/page/PopupOpeningObserver.h" | |
| 33 #include "platform/Timer.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 class CORE_EXPORT SpinButtonElement final : public HTMLDivElement, | |
| 38 public PopupOpeningObserver { | |
| 39 public: | |
| 40 enum UpDownState { | |
| 41 kIndeterminate, // Hovered, but the event is not handled. | |
| 42 kDown, | |
| 43 kUp, | |
| 44 }; | |
| 45 enum EventDispatch { | |
| 46 kEventDispatchAllowed, | |
| 47 kEventDispatchDisallowed, | |
| 48 }; | |
| 49 class SpinButtonOwner : public GarbageCollectedMixin { | |
| 50 public: | |
| 51 virtual ~SpinButtonOwner() {} | |
| 52 virtual void FocusAndSelectSpinButtonOwner() = 0; | |
| 53 virtual bool ShouldSpinButtonRespondToMouseEvents() = 0; | |
| 54 virtual bool ShouldSpinButtonRespondToWheelEvents() = 0; | |
| 55 virtual void SpinButtonDidReleaseMouseCapture(EventDispatch) = 0; | |
| 56 virtual void SpinButtonStepDown() = 0; | |
| 57 virtual void SpinButtonStepUp() = 0; | |
| 58 }; | |
| 59 | |
| 60 // The owner of SpinButtonElement must call removeSpinButtonOwner | |
| 61 // because SpinButtonElement can be outlive SpinButtonOwner | |
| 62 // implementation, e.g. during event handling. | |
| 63 static SpinButtonElement* Create(Document&, SpinButtonOwner&); | |
| 64 UpDownState GetUpDownState() const { return up_down_state_; } | |
| 65 void ReleaseCapture(EventDispatch = kEventDispatchAllowed); | |
| 66 void RemoveSpinButtonOwner() { spin_button_owner_ = nullptr; } | |
| 67 | |
| 68 void Step(int amount); | |
| 69 | |
| 70 bool WillRespondToMouseMoveEvents() override; | |
| 71 bool WillRespondToMouseClickEvents() override; | |
| 72 | |
| 73 void ForwardEvent(Event*); | |
| 74 | |
| 75 DECLARE_VIRTUAL_TRACE(); | |
| 76 | |
| 77 private: | |
| 78 SpinButtonElement(Document&, SpinButtonOwner&); | |
| 79 | |
| 80 void DetachLayoutTree(const AttachContext&) override; | |
| 81 bool IsSpinButtonElement() const override { return true; } | |
| 82 bool IsDisabledFormControl() const override { | |
| 83 return OwnerShadowHost() && OwnerShadowHost()->IsDisabledFormControl(); | |
| 84 } | |
| 85 bool MatchesReadOnlyPseudoClass() const override; | |
| 86 bool MatchesReadWritePseudoClass() const override; | |
| 87 void DefaultEventHandler(Event*) override; | |
| 88 void WillOpenPopup() override; | |
| 89 void DoStepAction(int); | |
| 90 void StartRepeatingTimer(); | |
| 91 void StopRepeatingTimer(); | |
| 92 void RepeatingTimerFired(TimerBase*); | |
| 93 void SetHovered(bool = true) override; | |
| 94 bool ShouldRespondToMouseEvents(); | |
| 95 bool IsMouseFocusable() const override { return false; } | |
| 96 | |
| 97 Member<SpinButtonOwner> spin_button_owner_; | |
| 98 bool capturing_; | |
| 99 UpDownState up_down_state_; | |
| 100 UpDownState press_starting_state_; | |
| 101 TaskRunnerTimer<SpinButtonElement> repeating_timer_; | |
| 102 }; | |
| 103 | |
| 104 DEFINE_TYPE_CASTS(SpinButtonElement, | |
| 105 Node, | |
| 106 node, | |
| 107 ToElement(node)->IsSpinButtonElement(), | |
| 108 ToElement(node).IsSpinButtonElement()); | |
| 109 | |
| 110 } // namespace blink | |
| 111 | |
| 112 #endif | |
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Chromium Code Reviews
Issue 2815263002:
Move form-related files in core/html/shadow to core/html/forms. (Closed)
