| /* |
| * Copyright (C) 2010, 2011 Apple 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 ScrollAnimatorMac_h |
| #define ScrollAnimatorMac_h |
| |
| #include "platform/Timer.h" |
| #include "platform/geometry/FloatPoint.h" |
| #include "platform/geometry/FloatSize.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/scheduler/CancellableTaskFactory.h" |
| #include "platform/scroll/ScrollAnimatorBase.h" |
| #include "public/platform/WebTaskRunner.h" |
| #include "wtf/RetainPtr.h" |
| |
| OBJC_CLASS BlinkScrollAnimationHelperDelegate; |
| OBJC_CLASS BlinkScrollbarPainterControllerDelegate; |
| OBJC_CLASS BlinkScrollbarPainterDelegate; |
| |
| typedef id ScrollbarPainterController; |
| |
| namespace blink { |
| |
| class Scrollbar; |
| |
| class PLATFORM_EXPORT ScrollAnimatorMac : public ScrollAnimatorBase { |
| WILL_BE_USING_PRE_FINALIZER(ScrollAnimatorMac, dispose); |
| public: |
| ScrollAnimatorMac(ScrollableArea*); |
| ~ScrollAnimatorMac() override; |
| |
| void dispose() override; |
| |
| void immediateScrollToPointForScrollAnimation(const FloatPoint& newPosition); |
| bool haveScrolledSincePageLoad() const { return m_haveScrolledSincePageLoad; } |
| |
| void updateScrollerStyle(); |
| |
| bool scrollbarPaintTimerIsActive() const; |
| void startScrollbarPaintTimer(); |
| void stopScrollbarPaintTimer(); |
| |
| void sendContentAreaScrolledSoon(const FloatSize& scrollDelta); |
| |
| void setVisibleScrollerThumbRect(const IntRect&); |
| |
| static bool canUseCoordinatedScrollbar(); |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() |
| { |
| ScrollAnimatorBase::trace(visitor); |
| } |
| |
| private: |
| RetainPtr<id> m_scrollAnimationHelper; |
| RetainPtr<BlinkScrollAnimationHelperDelegate> m_scrollAnimationHelperDelegate; |
| |
| RetainPtr<ScrollbarPainterController> m_scrollbarPainterController; |
| RetainPtr<BlinkScrollbarPainterControllerDelegate> m_scrollbarPainterControllerDelegate; |
| RetainPtr<BlinkScrollbarPainterDelegate> m_horizontalScrollbarPainterDelegate; |
| RetainPtr<BlinkScrollbarPainterDelegate> m_verticalScrollbarPainterDelegate; |
| |
| void initialScrollbarPaintTask(); |
| OwnPtr<CancellableTaskFactory> m_initialScrollbarPaintTaskFactory; |
| |
| void sendContentAreaScrolledTask(); |
| OwnPtr<CancellableTaskFactory> m_sendContentAreaScrolledTaskFactory; |
| OwnPtr<WebTaskRunner> m_taskRunner; |
| FloatSize m_contentAreaScrolledTimerScrollDelta; |
| |
| ScrollResultOneDimensional userScroll(ScrollbarOrientation, ScrollGranularity, float step, float delta) override; |
| void scrollToOffsetWithoutAnimation(const FloatPoint&) override; |
| |
| void handleWheelEventPhase(PlatformWheelEventPhase) override; |
| |
| void cancelAnimation() override; |
| |
| void contentAreaWillPaint() const override; |
| void mouseEnteredContentArea() const override; |
| void mouseExitedContentArea() const override; |
| void mouseMovedInContentArea() const override; |
| void mouseEnteredScrollbar(Scrollbar&) const override; |
| void mouseExitedScrollbar(Scrollbar&) const override; |
| void willStartLiveResize() override; |
| void contentsResized() const override; |
| void willEndLiveResize() override; |
| void contentAreaDidShow() const override; |
| void contentAreaDidHide() const override; |
| void didBeginScrollGesture() const; |
| void didEndScrollGesture() const; |
| void mayBeginScrollGesture() const; |
| |
| void finishCurrentScrollAnimations() override; |
| |
| void didAddVerticalScrollbar(Scrollbar&) override; |
| void willRemoveVerticalScrollbar(Scrollbar&) override; |
| void didAddHorizontalScrollbar(Scrollbar&) override; |
| void willRemoveHorizontalScrollbar(Scrollbar&) override; |
| |
| bool shouldScrollbarParticipateInHitTesting(Scrollbar&) override; |
| |
| void notifyContentAreaScrolled(const FloatSize& delta) override; |
| |
| bool setScrollbarsVisibleForTesting(bool) override; |
| |
| FloatPoint adjustScrollPositionIfNecessary(const FloatPoint&) const; |
| |
| void immediateScrollTo(const FloatPoint&); |
| |
| bool m_haveScrolledSincePageLoad; |
| bool m_needsScrollerStyleUpdate; |
| IntRect m_visibleScrollerThumbRect; |
| }; |
| |
| } // namespace blink |
| |
| #endif // ScrollAnimatorMac_h |