C++ SkEvent::getFast32方法代码示例

bool SkGridView::onEvent(const SkEvent& evt)
{
	if (evt.isType(SK_EventType_Key))
	{
		switch (evt.getFast32()) {
		case kUp_SkKey:
			this->moveSelectionUp();
			return true;
		case kDown_SkKey:
			this->moveSelectionDown();
			return true;
		case kRight_SkKey:
		case kOK_SkKey:
			if (fSource && fCurrIndex >= 0)
			{
				SkEvent* evt = fSource->getEvent(fCurrIndex);
				if (evt)
				{
					// augment the event with our local rect
					(void)this->getCellRect(fCurrIndex, (SkRect*)evt->setScalars("local-rect", 4, NULL));

					SkView* view = this->sendEventToParents(*evt);
					delete evt;
					return view != NULL;
				}
			}
			break;
		}
	}
	return this->INHERITED::onEvent(evt);
}

bool GMSampleView::onEvent(const SkEvent& evt) {
    if (evt.isType("GMSampleView::showSize")) {
        fShowSize = SkToBool(evt.getFast32());
        return true;
    }
    return this->INHERITED::onEvent(evt);
}

    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);
    }

bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) {
    if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) {
        if (outKey) {
            *outKey = (SkKey)evt.getFast32();
        }
        return true;
    }
    return false;
}

bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) {
    if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) {
        if (outUni) {
            *outUni = evt.getFast32();
        }
        return true;
    }
    return false;
}

bool SampleWindow::onEvent(const SkEvent& evt) {
    if (evt.isType(ANIMATING_EVENTTYPE)) {
        if (fAnimating) {
            this->nextSample();
            this->postAnimatingEvent();
        }
        return true;
    }
    if (evt.isType("set-curr-index")) {
        fCurrIndex = evt.getFast32() % fSamples.count();
        this->loadView(fSamples[fCurrIndex]());
        return true;
    }
    return this->INHERITED::onEvent(evt);
}

bool SkListView::onEvent(const SkEvent& evt)
{
	if (evt.isType(SK_EventType_Key))
	{
		switch (evt.getFast32()) {
		case kUp_SkKey:
			return this->moveSelectionUp();
		case kDown_SkKey:
			return this->moveSelectionDown();
		case kRight_SkKey:
		case kOK_SkKey:
			this->postWidgetEvent();
			return true;
		default:
			break;
		}
	}
	return this->INHERITED::onEvent(evt);
}

// Callback function for SkEvents used to implement timeouts.
bool Global::TimeOutProc(const SkEvent& evt) {
    // Create a handle scope to keep the temporary object references.
    HandleScope handleScope(gGlobal->getIsolate());

    // Create a local context from our global context.
    Local<Context> context = gGlobal->getContext();

    // Enter the context so all the remaining operations take place there.
    Context::Scope contextScope(context);

    // Set up an exception handler before calling the Process function.
    TryCatch tryCatch;

    int32_t id = evt.getFast32();
    if (gGlobal->fTimeouts.find(gGlobal->fLastTimerID) == gGlobal->fTimeouts.end()) {
        printf("Not a valid timer ID.\n");
        return true;
    }

    const int argc = 0;
    Local<Function> onTimeout =
            Local<Function>::New(gGlobal->getIsolate(), gGlobal->fTimeouts[id]);
    Handle<Value> result = onTimeout->Call(context->Global(), argc, NULL);
    gGlobal->fTimeouts.erase(id);

    // Handle any exceptions or output.
    if (result.IsEmpty()) {
        SkASSERT(tryCatch.HasCaught());
        // Print errors that happened during execution.
        gGlobal->reportException(&tryCatch);
    } else {
        SkASSERT(!tryCatch.HasCaught());
        if (!result->IsUndefined()) {
            // If all went well and the result wasn't undefined then print the
            // returned value.
            String::Utf8Value str(result);
            const char* cstr = to_cstring(str);
            printf("%s\n", cstr);
        }
    }
    return true;
}

bool SkAnimator::onEvent(const SkEvent& evt) {
#ifdef SK_DEBUG
    SkAnimator* root = fMaker->getRoot();
    if (root == NULL)
        root = this;
    if (root->isTrackingEvents())
        root->eventDone(evt);
#endif
    if (evt.isType(SK_EventType_OnEnd)) {
        SkEventState eventState;
        bool success = evt.findPtr("anim", (void**) &eventState.fDisplayable);
        SkASSERT(success);
        success = evt.findS32("time", (int32_t*) &fMaker->fEnableTime);
        SkASSERT(success);
        fMaker->fAdjustedStart = fMaker->getAppTime() - fMaker->fEnableTime;
        fMaker->fEvents.doEvent(*fMaker, SkDisplayEvent::kOnEnd, &eventState);
        fMaker->fAdjustedStart = 0;
        goto inval;
    }
    if (evt.isType(SK_EventType_Delay)) {
        fMaker->doDelayedEvent();
        goto inval;
    }
    {
        const char* id = evt.findString("id");
        if (id == NULL)
            return false;
        SkDisplayable** firstMovie = fMaker->fMovies.begin();
        SkDisplayable** endMovie = fMaker->fMovies.end();
        for (SkDisplayable** ptr = firstMovie; ptr < endMovie; ptr++) {
            SkDisplayMovie* movie = (SkDisplayMovie*) *ptr;
            movie->doEvent(evt);
        }
        {
            SkDisplayable* event;
            if (fMaker->find(id, &event) == false)
                return false;
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
            SkString debugOut;
            SkMSec realTime = fMaker->getAppTime();
            debugOut.appendS32(realTime - fMaker->fDebugTimeBase);
            debugOut.append(" onEvent id=");
            debugOut.append(id);
    #endif
            SkMSec time = evt.getFast32();
            if (time != 0) {
                SkMSec app  = fMaker->getAppTime();
                fMaker->setEnableTime(app, time);
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
                debugOut.append(" time=");
                debugOut.appendS32(time - fMaker->fDebugTimeBase);
                debugOut.append(" adjust=");
                debugOut.appendS32(fMaker->fAdjustedStart);
    #endif
            }
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
            SkDebugf("%s\n", debugOut.c_str());
    #endif
            SkASSERT(event->isEvent());
            SkDisplayEvent* displayEvent = (SkDisplayEvent*) event;
            displayEvent->populateInput(*fMaker, evt);
            displayEvent->enableEvent(*fMaker);
        }
    }
inval:
    fMaker->notifyInval();
    return true;
}