virtual bool onEvent(const SkEvent& evt) {
if (evt.isType(gReplaceTransitionEvt)) {
SkView* prev = fPrev;
prev->ref();
fPrev->detachFromParent();
fPrev = (SkView*)SkEventSink::FindSink(evt.getFast32());
(void)SampleView::SetUsePipe(fPrev, SkOSMenu::kOffState);
//attach the new fPrev and call unref to balance the ref in onDraw
this->attachChildToBack(fPrev)->unref();
this->inval(NULL);
SkASSERT(1 == prev->getRefCnt());
prev->unref();
return true;
}
if (evt.isType("transition-done")) {
fNext->setLoc(0, 0);
fNext->setClipToBounds(false);
SkEvent* evt = new SkEvent(gReplaceTransitionEvt,
this->getParent()->getSinkID());
evt->setFast32(fNext->getSinkID());
//increate ref count of fNext so it survives detachAllChildren
fNext->ref();
this->detachAllChildren();
evt->post();
return true;
}
return this->INHERITED::onEvent(evt);
}
// The callback that is invoked by v8 whenever the JavaScript 'setTimeout'
// function is called.
//
// JS: setTimeout(on_timeout, 500);
void Global::SetTimeout(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2) {
args.GetIsolate()->ThrowException(
v8::String::NewFromUtf8(
args.GetIsolate(), "Error: 2 arguments required."));
return;
}
// Pull out the first arg, make sure it's a function.
if (!args[0]->IsFunction()) {
printf("Not a function passed to setTimeout.\n");
return;
}
Handle<Function> timeoutFn = Handle<Function>::Cast(args[0]);
double delay = args[1]->NumberValue();
int32_t id = gGlobal->getNextTimerID();
gGlobal->fTimeouts[id].Reset(gGlobal->fIsolate, timeoutFn);
// Create an SkEvent and add it with the right delay.
SkEvent* evt = new SkEvent();
evt->setTargetProc(Global::TimeOutProc);
evt->setFast32(id);
evt->postDelay(delay);
args.GetReturnValue().Set(Integer::New(gGlobal->fIsolate, id));
}
virtual SkEvent* getEvent(int index)
{
SkASSERT((unsigned)index < (unsigned)fCount);
if (fList[index].fType == kDir_Type)
{
SkEvent* evt = new SkEvent();
evt->setType(fList[index].fTarget);
evt->setFast32(index);
return evt;
}
if (fList[index].fType == kToggle_Type)
fList[index].fTail.swap(fList[index].fAltTail);
return NULL;
}
void SkListView::setSelection(int index)
{
if (fCurrIndex != index)
{
this->invalSelection();
fCurrIndex = index;
this->invalSelection();
this->ensureSelectionIsVisible();
{
SkEvent evt;
evt.setType("listview-selection");
evt.setFast32(index);
this->sendEventToParents(evt);
}
}
}
SkEvent* SkOSMenu::createEvent(uint32_t os_cmd)
{
const Item* iter = fItems.begin();
const Item* stop = fItems.end();
while (iter < stop)
{
if (iter->fOSCmd == os_cmd)
{
SkEvent* evt = new SkEvent(iter->fEventType);
evt->setFast32(iter->fEventData);
return evt;
}
iter++;
}
return NULL;
}
void SkSliderView::setValue(U16CPU value)
{
if (fValue != value)
{
U16 prev = actual_value(fValue, fMax);
U16 next = actual_value(value, fMax);
fValue = SkToU16(value);
if (prev != next)
{
this->inval(nil);
if (this->hasListeners())
{
SkEvent evt;
evt.setType(SkWidgetView::GetEventType());
evt.setFast32(this->getSinkID());
evt.setS32("sliderValue", next);
this->postToListeners(evt);
}
}
}
}
SkEvent* GMSampleView::NewShowSizeEvt(bool doShowSize) {
SkEvent* evt = new SkEvent("GMSampleView::showSize");
evt->setFast32(doShowSize);
return evt;
}