void EventDispatcher::wheelEvent(uint64_t pageID, const WebWheelEvent& wheelEvent, bool canRubberBandAtLeft, bool canRubberBandAtRight, bool canRubberBandAtTop, bool canRubberBandAtBottom)
{
PlatformWheelEvent platformWheelEvent = platform(wheelEvent);
#if PLATFORM(COCOA)
switch (wheelEvent.phase()) {
case PlatformWheelEventPhaseBegan:
m_recentWheelEventDeltaTracker->beginTrackingDeltas();
break;
case PlatformWheelEventPhaseEnded:
m_recentWheelEventDeltaTracker->endTrackingDeltas();
break;
default:
break;
}
if (m_recentWheelEventDeltaTracker->isTrackingDeltas()) {
m_recentWheelEventDeltaTracker->recordWheelEventDelta(platformWheelEvent);
DominantScrollGestureDirection dominantDirection = DominantScrollGestureDirection::None;
dominantDirection = m_recentWheelEventDeltaTracker->dominantScrollGestureDirection();
// Workaround for scrolling issues <rdar://problem/14758615>.
if (dominantDirection == DominantScrollGestureDirection::Vertical && platformWheelEvent.deltaX())
platformWheelEvent = platformWheelEvent.copyIgnoringHorizontalDelta();
else if (dominantDirection == DominantScrollGestureDirection::Horizontal && platformWheelEvent.deltaY())
platformWheelEvent = platformWheelEvent.copyIgnoringVerticalDelta();
}
#endif
#if ENABLE(ASYNC_SCROLLING)
MutexLocker locker(m_scrollingTreesMutex);
if (ThreadedScrollingTree* scrollingTree = m_scrollingTrees.get(pageID)) {
// FIXME: It's pretty horrible that we're updating the back/forward state here.
// WebCore should always know the current state and know when it changes so the
// scrolling tree can be notified.
// We only need to do this at the beginning of the gesture.
if (platformWheelEvent.phase() == PlatformWheelEventPhaseBegan)
ScrollingThread::dispatch(bind(&ThreadedScrollingTree::setCanRubberBandState, scrollingTree, canRubberBandAtLeft, canRubberBandAtRight, canRubberBandAtTop, canRubberBandAtBottom));
ScrollingTree::EventResult result = scrollingTree->tryToHandleWheelEvent(platformWheelEvent);
if (result == ScrollingTree::DidHandleEvent || result == ScrollingTree::DidNotHandleEvent) {
sendDidReceiveEvent(pageID, wheelEvent, result == ScrollingTree::DidHandleEvent);
return;
}
}
#else
UNUSED_PARAM(canRubberBandAtLeft);
UNUSED_PARAM(canRubberBandAtRight);
UNUSED_PARAM(canRubberBandAtTop);
UNUSED_PARAM(canRubberBandAtBottom);
#endif
RunLoop::main().dispatch(bind(&EventDispatcher::dispatchWheelEvent, this, pageID, wheelEvent));
}
static inline void setXButtonEventFieldsByWebWheelEvent(XEvent& xEvent, const WebWheelEvent& webEvent, const WebCore::IntPoint& pluginLocation)
{
XButtonEvent& xButton = xEvent.xbutton;
setCommonMouseEventFields(xButton, webEvent, pluginLocation);
xButton.type = ButtonPress;
FloatSize ticks = webEvent.wheelTicks();
if (ticks.height()) {
if (ticks.height() > 0)
xButton.button = 4; // up
else
xButton.button = 5; // down
} else {
if (ticks.width() > 0)
xButton.button = 6; // left
else
xButton.button = 7; // right
}
}
WebKit2PlatformWheelEvent(const WebWheelEvent& webEvent)
{
// PlatformEvent
m_type = PlatformEvent::Wheel;
m_modifiers = 0;
if (webEvent.shiftKey())
m_modifiers |= ShiftKey;
if (webEvent.controlKey())
m_modifiers |= CtrlKey;
if (webEvent.altKey())
m_modifiers |= AltKey;
if (webEvent.metaKey())
m_modifiers |= MetaKey;
m_timestamp = webEvent.timestamp();
// PlatformWheelEvent
m_position = webEvent.position();
m_globalPosition = webEvent.globalPosition();
m_deltaX = webEvent.delta().width();
m_deltaY = webEvent.delta().height();
m_wheelTicksX = webEvent.wheelTicks().width();
m_wheelTicksY = webEvent.wheelTicks().height();
m_granularity = (webEvent.granularity() == WebWheelEvent::ScrollByPageWheelEvent) ? WebCore::ScrollByPageWheelEvent : WebCore::ScrollByPixelWheelEvent;
m_directionInvertedFromDevice = webEvent.directionInvertedFromDevice();
#if PLATFORM(COCOA)
m_phase = static_cast<WebCore::PlatformWheelEventPhase>(webEvent.phase());
m_momentumPhase = static_cast<WebCore::PlatformWheelEventPhase>(webEvent.momentumPhase());
m_hasPreciseScrollingDeltas = webEvent.hasPreciseScrollingDeltas();
m_scrollCount = webEvent.scrollCount();
m_unacceleratedScrollingDeltaX = webEvent.unacceleratedScrollingDelta().width();
m_unacceleratedScrollingDeltaY = webEvent.unacceleratedScrollingDelta().height();
#endif
}
void WebPage::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder& arguments)
{
if (messageID.is<CoreIPC::MessageClassDrawingArea>()) {
ASSERT(m_drawingArea);
m_drawingArea->didReceiveMessage(connection, messageID, arguments);
return;
}
switch (messageID.get<WebPageMessage::Kind>()) {
case WebPageMessage::SetActive: {
bool active;
if (!arguments.decode(active))
return;
setActive(active);
break;
}
case WebPageMessage::SetFocused: {
bool focused;
if (!arguments.decode(focused))
return;
setFocused(focused);
break;
}
case WebPageMessage::MouseEvent: {
WebMouseEvent event;
if (!arguments.decode(event))
return;
connection->send(WebPageProxyMessage::DidReceiveEvent, m_pageID, CoreIPC::In((uint32_t)event.type()));
PlatformMouseEvent platformEvent = platform(event);
mouseEvent(platformEvent);
break;
}
case WebPageMessage::WheelEvent: {
WebWheelEvent event;
if (!arguments.decode(event))
return;
connection->send(WebPageProxyMessage::DidReceiveEvent, m_pageID, CoreIPC::In((uint32_t)event.type()));
PlatformWheelEvent platformEvent = platform(event);
wheelEvent(platformEvent);
break;
}
case WebPageMessage::KeyEvent: {
WebKeyboardEvent event;
if (!arguments.decode(event))
return;
connection->send(WebPageProxyMessage::DidReceiveEvent, m_pageID, CoreIPC::In((uint32_t)event.type()));
PlatformKeyboardEvent platformEvent = platform(event);
keyEvent(platformEvent);
break;
}
case WebPageMessage::LoadURL: {
String url;
if (!arguments.decode(url))
return;
loadURL(url);
break;
}
case WebPageMessage::StopLoading:
stopLoading();
break;
case WebPageMessage::Reload:
bool reloadFromOrigin;
if (!arguments.decode(CoreIPC::Out(reloadFromOrigin)))
return;
reload(reloadFromOrigin);
break;
case WebPageMessage::GoForward:
goForward();
break;
case WebPageMessage::GoBack:
goBack();
break;
case WebPageMessage::DidReceivePolicyDecision: {
uint64_t frameID;
uint64_t listenerID;
uint32_t policyAction;
if (!arguments.decode(CoreIPC::Out(frameID, listenerID, policyAction)))
return;
didReceivePolicyDecision(webFrame(frameID), listenerID, (WebCore::PolicyAction)policyAction);
break;
}
case WebPageMessage::RunJavaScriptInMainFrame: {
String script;
uint64_t callbackID;
if (!arguments.decode(CoreIPC::Out(script, callbackID)))
return;
runJavaScriptInMainFrame(script, callbackID);
break;
}
case WebPageMessage::GetRenderTreeExternalRepresentation: {
uint64_t callbackID;
if (!arguments.decode(callbackID))
return;
getRenderTreeExternalRepresentation(callbackID);
break;
}
case WebPageMessage::Close: {
close();
break;
}
case WebPageMessage::TryClose: {
tryClose();
break;
}
default:
ASSERT_NOT_REACHED();
break;
}
}
WebKit2PlatformWheelEvent(const WebWheelEvent& webEvent)
{
m_position = WebCore::IntPoint(webEvent.positionX(), webEvent.positionY());
m_globalPosition = WebCore::IntPoint(webEvent.globalPositionX(), webEvent.globalPositionY());
m_deltaX = webEvent.deltaX();
m_deltaY = webEvent.deltaY();
m_wheelTicksX = webEvent.wheelTicksX();
m_wheelTicksY = webEvent.wheelTicksY();
m_granularity = (webEvent.granularity() == WebWheelEvent::ScrollByPageWheelEvent) ? WebCore::ScrollByPageWheelEvent : WebCore::ScrollByPixelWheelEvent;
m_shiftKey = webEvent.shiftKey();
m_ctrlKey = webEvent.controlKey();
m_altKey = webEvent.altKey();
m_metaKey = webEvent.metaKey();
}
