| /* |
| * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2010 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 COMPUTER, INC. ``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 COMPUTER, INC. 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 SpinButtonElement_h |
| #define SpinButtonElement_h |
| |
| #include "core/html/HTMLDivElement.h" |
| #include "core/page/PopupOpeningObserver.h" |
| #include "platform/Timer.h" |
| |
| namespace WebCore { |
| |
| class SpinButtonElement FINAL : public HTMLDivElement, public PopupOpeningObserver { |
| public: |
| enum UpDownState { |
| Indeterminate, // Hovered, but the event is not handled. |
| Down, |
| Up, |
| }; |
| |
| class SpinButtonOwner { |
| public: |
| virtual ~SpinButtonOwner() { } |
| virtual void focusAndSelectSpinButtonOwner() = 0; |
| virtual bool shouldSpinButtonRespondToMouseEvents() = 0; |
| virtual bool shouldSpinButtonRespondToWheelEvents() = 0; |
| virtual void spinButtonStepDown() = 0; |
| virtual void spinButtonStepUp() = 0; |
| }; |
| |
| // The owner of SpinButtonElement must call removeSpinButtonOwner |
| // because SpinButtonElement can be outlive SpinButtonOwner |
| // implementation, e.g. during event handling. |
| static PassRefPtr<SpinButtonElement> create(Document&, SpinButtonOwner&); |
| UpDownState upDownState() const { return m_upDownState; } |
| virtual void releaseCapture(); |
| void removeSpinButtonOwner() { m_spinButtonOwner = 0; } |
| |
| void step(int amount); |
| |
| virtual bool willRespondToMouseMoveEvents() OVERRIDE; |
| virtual bool willRespondToMouseClickEvents() OVERRIDE; |
| |
| void forwardEvent(Event*); |
| |
| private: |
| SpinButtonElement(Document&, SpinButtonOwner&); |
| |
| virtual void detach(const AttachContext& = AttachContext()) OVERRIDE; |
| virtual bool isSpinButtonElement() const { return true; } |
| virtual bool isDisabledFormControl() const OVERRIDE { return shadowHost() && shadowHost()->isDisabledFormControl(); } |
| virtual bool matchesReadOnlyPseudoClass() const OVERRIDE; |
| virtual bool matchesReadWritePseudoClass() const OVERRIDE; |
| virtual void defaultEventHandler(Event*); |
| virtual void willOpenPopup() OVERRIDE; |
| void doStepAction(int); |
| void startRepeatingTimer(); |
| void stopRepeatingTimer(); |
| void repeatingTimerFired(Timer<SpinButtonElement>*); |
| virtual void setHovered(bool = true); |
| bool shouldRespondToMouseEvents(); |
| virtual bool isMouseFocusable() const { return false; } |
| |
| SpinButtonOwner* m_spinButtonOwner; |
| bool m_capturing; |
| UpDownState m_upDownState; |
| UpDownState m_pressStartingState; |
| Timer<SpinButtonElement> m_repeatingTimer; |
| }; |
| |
| DEFINE_TYPE_CASTS(SpinButtonElement, Node, node, toElement(node)->isSpinButtonElement(), toElement(node).isSpinButtonElement()); |
| |
| } // namespace |
| |
| #endif |