void SkApply::enableCreate(SkAnimateMaker& maker) {
SkString newID;
for (int step = 0; step <= steps; step++) {
fLastTime = step * SK_MSec1;
bool success = maker.computeID(scope, this, &newID);
if (success == false)
return;
if (maker.find(newID.c_str(), NULL))
continue;
SkApply* copy = (SkApply*) deepCopy(&maker); // work on copy of animator state
if (mode == kMode_create)
copy->mode = (Mode) -1;
SkDrawable* copyScope = copy->scope = (SkDrawable*) scope->deepCopy(&maker);
*fScopes.append() = copyScope;
if (copyScope->resolveIDs(maker, scope, this)) {
step = steps; // quit
goto next; // resolveIDs failed
}
if (newID.size() > 0)
maker.setID(copyScope, newID);
if (copy->resolveIDs(maker, this, this)) { // fix up all fields, including target
step = steps; // quit
goto next; // resolveIDs failed
}
copy->activate(maker);
copy->interpolate(maker, step * SK_MSec1);
maker.removeActive(copy->fActive);
next:
delete copy;
}
}
void SkDisplayEvent::onEndElement(SkAnimateMaker& maker)
{
if (kind == kUser)
return;
maker.fEvents.addEvent(this);
if (kind == kOnEnd) {
SkDEBUGCODE(bool found = ) maker.find(target.c_str(), &fTarget);
SkASSERT(found);
SkASSERT(fTarget && fTarget->isAnimate());
SkAnimateBase* animate = (SkAnimateBase*) fTarget;
animate->setHasEndEvent();
}
void SkDisplayEvent::populateInput(SkAnimateMaker& maker, const SkEvent& fEvent) {
const SkMetaData& meta = fEvent.getMetaData();
SkMetaData::Iter iter(meta);
SkMetaData::Type type;
int number;
const char* name;
while ((name = iter.next(&type, &number)) != NULL) {
if (name[0] == '\0')
continue;
SkDisplayable* displayable;
SkInput* input;
for (int index = 0; index < fChildren.count(); index++) {
displayable = fChildren[index];
if (displayable->getType() != SkType_Input)
continue;
input = (SkInput*) displayable;
if (input->name.equals(name))
goto found;
}
if (!maker.find(name, &displayable) || displayable->getType() != SkType_Input)
continue;
input = (SkInput*) displayable;
found:
switch (type) {
case SkMetaData::kS32_Type:
meta.findS32(name, &input->fInt);
break;
case SkMetaData::kScalar_Type:
meta.findScalar(name, &input->fFloat);
break;
case SkMetaData::kPtr_Type:
SkASSERT(0);
break; // !!! not handled for now
case SkMetaData::kString_Type:
input->string.set(meta.findString(name));
break;
default:
SkASSERT(0);
}
}
// re-evaluate all animators that may have built their values from input strings
for (SkDisplayable** childPtr = fChildren.begin(); childPtr < fChildren.end(); childPtr++) {
SkDisplayable* displayable = *childPtr;
if (displayable->isApply() == false)
continue;
SkApply* apply = (SkApply*) displayable;
apply->refresh(maker);
}
}
void SkAnimateBase::setTarget(SkAnimateMaker& maker) {
if (target.size()) {
SkAnimatorScript engine(maker, this, SkType_Displayable);
const char* script = target.c_str();
SkScriptValue scriptValue;
bool success = engine.evaluateScript(&script, &scriptValue);
if (success && scriptValue.fType == SkType_Displayable)
fTarget = scriptValue.fOperand.fDrawable;
else if (maker.find(target.c_str(), (SkDisplayable**) &fTarget) == false) {
if (fApply->getMode() == SkApply::kMode_create)
return; // may not be an error
if (engine.getError() != SkScriptEngine::kNoError)
maker.setScriptError(engine);
else {
maker.setErrorNoun(target);
maker.setErrorCode(SkDisplayXMLParserError::kTargetIDNotFound);
}
return;
}
if (fApply && fApply->getMode() != SkApply::kMode_create)
target.reset();
}
}
