2006-07-06  Anders Carlsson  <acarlsson@apple.com>

        Reviewed by Maciej.

        <rdar://problem/4610891> Support overflow events
        
        * DerivedSources.make:
        Add generated sources.
        
        * WebCore.xcodeproj/project.pbxproj:
        Add new files.
        
        * bindings/js/kjs_events.cpp:
        (KJS::toJS):
        Support creating wrappers for overflow events..
        
        * bindings/objc/DOMEvents.h:
        * bindings/objc/DOMEvents.mm:
        (+[DOMEvent _eventWith:]):
        (-[DOMOverflowEvent _overflowEvent]):
        (-[DOMOverflowEvent orient]):
        (-[DOMOverflowEvent horizontalOverflow]):
        (-[DOMOverflowEvent verticalOverflow]):
        Add Objective-C wrapper for overflow events.
        
        * dom/Event.cpp:
        (WebCore::Event::isOverflowEvent):        
        * dom/Event.h:
        * dom/EventNames.h:
        * dom/OverflowEvent.cpp: Added.
        (WebCore::OverflowEvent::OverflowEvent):
        (WebCore::OverflowEvent::isOverflowEvent):
        * dom/OverflowEvent.h: Added.
        (WebCore::OverflowEvent::):
        (WebCore::OverflowEvent::orient):
        (WebCore::OverflowEvent::horizontalOverflow):
        (WebCore::OverflowEvent::verticalOverflow):
        * dom/OverflowEvent.idl: Added.
        Add overflow events.
        
        * page/FrameView.cpp:
        (WebCore::FrameViewPrivate::FrameViewPrivate):
        (WebCore::FrameView::applyOverflowToViewport):        
        (WebCore::FrameView::layout):
        Dispatch any scheduled events when layout is done.
        
        (WebCore::FrameView::scheduleEvent):
        New function which schedules an event.
        
        (WebCore::FrameView::updateOverflowStatus):
        Update overflow status for the viewport.
        
        (WebCore::FrameView::dispatchScheduledEvents):
        New function which dispatches all scheduled events.
        
        * page/FrameView.h:
        Add declarations.
        
        * rendering/RenderLayer.cpp:
        (WebCore::RenderLayer::RenderLayer):
        (WebCore::RenderLayer::updateOverflowStatus):
        (WebCore::RenderLayer::updateScrollInfoAfterLayout):
        * rendering/RenderLayer.h:
        Schedule overflow events when overflow status changes.

LayoutTests:

2006-07-06  Anders Carlsson  <acarlsson@apple.com>

        Reviewed by Maciej.

        <rdar://problem/4610891> Support overflow events
        
        * fast/events/overflow-events-expected.txt: Added.
        * fast/events/overflow-events.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@15191 268f45cc-cd09-0410-ab3c-d52691b4dbfc