WebCompositorInputHandlerImpl::EventDisposition WebCompositorInputHandlerImpl::handleGestureFling(const WebGestureEvent& gestureEvent)
{
WebInputHandlerClient::ScrollStatus scrollStatus = m_inputHandlerClient->scrollBegin(WebPoint(gestureEvent.x, gestureEvent.y), WebInputHandlerClient::ScrollInputTypeGesture);
switch (scrollStatus) {
case WebInputHandlerClient::ScrollStatusStarted: {
if (gestureEvent.data.flingStart.sourceDevice == WebGestureEvent::Touchpad)
m_inputHandlerClient->scrollEnd();
m_flingCurve = adoptPtr(Platform::current()->createFlingAnimationCurve(gestureEvent.data.flingStart.sourceDevice, WebFloatPoint(gestureEvent.data.flingStart.velocityX, gestureEvent.data.flingStart.velocityY), WebSize()));
TRACE_EVENT_ASYNC_BEGIN0("webkit", "WebCompositorInputHandlerImpl::handleGestureFling::started", this);
m_flingParameters.delta = WebFloatPoint(gestureEvent.data.flingStart.velocityX, gestureEvent.data.flingStart.velocityY);
m_flingParameters.point = WebPoint(gestureEvent.x, gestureEvent.y);
m_flingParameters.globalPoint = WebPoint(gestureEvent.globalX, gestureEvent.globalY);
m_flingParameters.modifiers = gestureEvent.modifiers;
m_flingParameters.sourceDevice = gestureEvent.data.flingStart.sourceDevice;
m_inputHandlerClient->scheduleAnimation();
return DidHandle;
}
case WebInputHandlerClient::ScrollStatusOnMainThread: {
TRACE_EVENT_INSTANT0("webkit", "WebCompositorInputHandlerImpl::handleGestureFling::scrollOnMainThread");
m_flingActiveOnMainThread = true;
return DidNotHandle;
}
case WebInputHandlerClient::ScrollStatusIgnored: {
TRACE_EVENT_INSTANT0("webkit", "WebCompositorInputHandlerImpl::handleGestureFling::ignored");
if (gestureEvent.data.flingStart.sourceDevice == WebGestureEvent::Touchpad) {
// We still pass the curve to the main thread if there's nothing scrollable, in case something
// registers a handler before the curve is over.
return DidNotHandle;
}
return DropEvent;
}
}
return DidNotHandle;
}
AnimationPlayer::PlayStateUpdateScope::~PlayStateUpdateScope()
{
AnimationPlayState oldPlayState = m_initial;
AnimationPlayState newPlayState = m_player->calculatePlayState();
if (oldPlayState != newPlayState) {
bool wasActive = oldPlayState == Pending || oldPlayState == Running;
bool isActive = newPlayState == Pending || newPlayState == Running;
if (!wasActive && isActive) {
if (m_player->m_content) {
TRACE_EVENT_ASYNC_BEGIN1("blink", "Animation", &m_player, "Name", TRACE_STR_COPY(m_player->m_content->name().utf8().data()));
} else {
TRACE_EVENT_ASYNC_BEGIN0("blink", "Animation", &m_player);
}
} else if (wasActive && !isActive) {
if (oldPlayState != Idle && oldPlayState != Finished) {
TRACE_EVENT_ASYNC_END0("blink", "Animation", &m_player);
}
}
if (isActive) {
TRACE_EVENT_ASYNC_STEP_INTO0("blink", "Animation", &m_player, playStateString(newPlayState));
}
}
if (oldPlayState != newPlayState && (oldPlayState == Idle || newPlayState == Idle)) {
m_player->setOutdated();
}
m_player->m_playState = newPlayState;
#if ENABLE(ASSERT)
// Verify that current time is up to date.
m_player->currentTimeInternal();
#endif
switch (m_compositorPendingChange) {
case SetCompositorPending:
m_player->setCompositorPending();
break;
case SetCompositorPendingWithSourceChanged:
m_player->setCompositorPending(true);
break;
case DoNotSetCompositorPending:
break;
default:
ASSERT_NOT_REACHED();
break;
}
m_player->endUpdatingState();
}
