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/* libs/graphics/animator/SkAnimateMaker.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "SkAnimateMaker.h"
#include "SkAnimator.h"
#include "SkAnimatorScript.h"
#include "SkDisplayable.h"
#include "SkDisplayApply.h"
#include "SkDisplayList.h"
#include "SkDisplayMovie.h"
#include "SkDisplayType.h"
#include "SkExtras.h"
#include "SkMemberInfo.h"
#include "SkStream.h"
#include "SkSystemEventTypes.h"
#include "SkTime.h"
class DefaultTimeline : public SkAnimator::Timeline {
virtual SkMSec getMSecs() const {
return SkTime::GetMSecs();
}
} gDefaultTimeline;
SkAnimateMaker::SkAnimateMaker(SkAnimator* animator, SkCanvas* canvas, SkPaint* paint)
: fActiveEvent(NULL), fAdjustedStart(0), fCanvas(canvas), fEnableTime(0),
fHostEventSinkID(0), fMinimumInterval((SkMSec) -1), fPaint(paint), fParentMaker(NULL),
fTimeline(&gDefaultTimeline), fInInclude(false), fInMovie(false),
fFirstScriptError(false), fLoaded(false), fIDs(256), fAnimator(animator)
{
fScreenplay.time = 0;
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
fDebugTimeBase = (SkMSec) -1;
#endif
#ifdef SK_DUMP_ENABLED
fDumpEvents = fDumpGConditions = fDumpPosts = false;
#endif
}
SkAnimateMaker::~SkAnimateMaker() {
deleteMembers();
}
#if 0
SkMSec SkAnimateMaker::adjustDelay(SkMSec expectedBase, SkMSec delay) {
SkMSec appTime = (*fTimeCallBack)();
if (appTime)
delay -= appTime - expectedBase;
if (delay < 0)
delay = 0;
return delay;
}
#endif
void SkAnimateMaker::appendActive(SkActive* active) {
fDisplayList.append(active);
}
void SkAnimateMaker::clearExtraPropertyCallBack(SkDisplayTypes type) {
SkExtras** end = fExtras.end();
for (SkExtras** extraPtr = fExtras.begin(); extraPtr < end; extraPtr++) {
SkExtras* extra = *extraPtr;
if (extra->definesType(type)) {
extra->fExtraCallBack = NULL;
extra->fExtraStorage = NULL;
break;
}
}
}
bool SkAnimateMaker::computeID(SkDisplayable* displayable, SkDisplayable* parent, SkString* newID) {
const char* script;
if (findKey(displayable, &script) == false)
return true;
return SkAnimatorScript::EvaluateString(*this, displayable, parent, script, newID);
}
SkDisplayable* SkAnimateMaker::createInstance(const char name[], size_t len) {
SkDisplayTypes type = SkDisplayType::GetType(this, name, len );
if ((int)type >= 0)
return SkDisplayType::CreateInstance(this, type);
return NULL;
}
// differs from SkAnimator::decodeStream in that it does not reset error state
bool SkAnimateMaker::decodeStream(SkStream* stream)
{
SkDisplayXMLParser parser(*this);
return parser.parse(*stream);
}
// differs from SkAnimator::decodeURI in that it does not set URI base
bool SkAnimateMaker::decodeURI(const char uri[]) {
// SkDebugf("animator decode %s\n", uri);
// SkStream* stream = SkStream::GetURIStream(fPrefix.c_str(), uri);
SkStream* stream = new SkFILEStream(uri);
SkAutoTDelete<SkStream> autoDel(stream);
bool success = decodeStream(stream);
if (hasError() && fError.hasNoun() == false)
fError.setNoun(uri);
return success;
}
#if defined SK_DEBUG && 0
//used for the if'd out section of deleteMembers
#include "SkTSearch.h"
extern "C" {
int compare_disp(const void* a, const void* b) {
return *(const SkDisplayable**)a - *(const SkDisplayable**)b;
}
}
#endif
void SkAnimateMaker::delayEnable(SkApply* apply, SkMSec time) {
int index = fDelayed.find(apply);
if (index < 0)
*fDelayed.append() = apply;
(new SkEvent(SK_EventType_Delay))->postTime(fAnimator->getSinkID(), time);
}
void SkAnimateMaker::deleteMembers() {
int index;
#if defined SK_DEBUG && 0
//this code checks to see if helpers are among the children, but it is not complete -
//it should check the children of the children
int result;
SkTDArray<SkDisplayable*> children(fChildren.begin(), fChildren.count());
SkQSort(children.begin(), children.count(), sizeof(SkDisplayable*),compare_disp);
for (index = 0; index < fHelpers.count(); index++) {
SkDisplayable* helper = fHelpers[index];
result = SkTSearch(children.begin(), children.count(), helper, sizeof(SkDisplayable*));
SkASSERT(result < 0);
}
#endif
for (index = 0; index < fChildren.count(); index++) {
SkDisplayable* child = fChildren[index];
delete child;
}
for (index = 0; index < fHelpers.count(); index++) {
SkDisplayable* helper = fHelpers[index];
delete helper;
}
for (index = 0; index < fExtras.count(); index++) {
SkExtras* extras = fExtras[index];
delete extras;
}
}
void SkAnimateMaker::doDelayedEvent() {
fEnableTime = getAppTime();
for (int index = 0; index < fDelayed.count(); ) {
SkDisplayable* child = fDelayed[index];
SkASSERT(child->isApply());
SkApply* apply = (SkApply*) child;
apply->interpolate(*this, fEnableTime);
if (apply->hasDelayedAnimator())
index++;
else
fDelayed.remove(index);
}
}
bool SkAnimateMaker::doEvent(const SkEvent& event) {
return (!fInMovie || fLoaded) && fAnimator->doEvent(event);
}
#ifdef SK_DUMP_ENABLED
void SkAnimateMaker::dump(const char* match) {
SkTDict<SkDisplayable*>::Iter iter(fIDs);
const char* name;
SkDisplayable* result;
while ((name = iter.next(&result)) != NULL) {
if (strcmp(match,name) == 0)
result->dump(this);
}
}
#endif
int SkAnimateMaker::dynamicProperty(SkString& nameStr, SkDisplayable** displayablePtr ) {
const char* name = nameStr.c_str();
const char* dot = strchr(name, '.');
SkASSERT(dot);
SkDisplayable* displayable;
if (find(name, dot - name, &displayable) == false) {
SkASSERT(0);
return 0;
}
const char* fieldName = dot + 1;
const SkMemberInfo* memberInfo = displayable->getMember(fieldName);
*displayablePtr = displayable;
return (int) memberInfo->fOffset;
}
SkMSec SkAnimateMaker::getAppTime() const {
return fTimeline->getMSecs();
}
#ifdef SK_DEBUG
SkAnimator* SkAnimateMaker::getRoot()
{
SkAnimateMaker* maker = this;
while (maker->fParentMaker)
maker = maker->fParentMaker;
return maker == this ? NULL : maker->fAnimator;
}
#endif
void SkAnimateMaker::helperAdd(SkDisplayable* trackMe) {
SkASSERT(fHelpers.find(trackMe) < 0);
*fHelpers.append() = trackMe;
}
void SkAnimateMaker::helperRemove(SkDisplayable* alreadyTracked) {
int helperIndex = fHelpers.find(alreadyTracked);
if (helperIndex >= 0)
fHelpers.remove(helperIndex);
}
#if 0
void SkAnimateMaker::loadMovies() {
for (SkDisplayable** dispPtr = fMovies.begin(); dispPtr < fMovies.end(); dispPtr++) {
SkDisplayable* displayable = *dispPtr;
SkASSERT(displayable->getType() == SkType_Movie);
SkDisplayMovie* movie = (SkDisplayMovie*) displayable;
SkAnimateMaker* movieMaker = movie->fMovie.fMaker;
movieMaker->fEvents.doEvent(*movieMaker, SkDisplayEvent::kOnload, NULL);
movieMaker->fEvents.removeEvent(SkDisplayEvent::kOnload, NULL);
movieMaker->loadMovies();
}
}
#endif
void SkAnimateMaker::notifyInval() {
if (fHostEventSinkID)
fAnimator->onEventPost(new SkEvent(SK_EventType_Inval), fHostEventSinkID);
}
void SkAnimateMaker::notifyInvalTime(SkMSec time) {
if (fHostEventSinkID)
fAnimator->onEventPostTime(new SkEvent(SK_EventType_Inval), fHostEventSinkID, time);
}
void SkAnimateMaker::postOnEnd(SkAnimateBase* animate, SkMSec end) {
SkEvent evt;
evt.setS32("time", animate->getStart() + end);
evt.setPtr("anim", animate);
evt.setType(SK_EventType_OnEnd);
SkEventSinkID sinkID = fAnimator->getSinkID();
fAnimator->onEventPost(new SkEvent(evt), sinkID);
}
void SkAnimateMaker::reset() {
deleteMembers();
fChildren.reset();
fHelpers.reset();
fIDs.reset();
fEvents.reset();
fDisplayList.hardReset();
}
void SkAnimateMaker::removeActive(SkActive* active) {
if (active == NULL)
return;
fDisplayList.remove(active);
}
bool SkAnimateMaker::resolveID(SkDisplayable* displayable, SkDisplayable* original) {
SkString newID;
bool success = computeID(original, NULL, &newID);
if (success)
setID(displayable, newID);
return success;
}
void SkAnimateMaker::setErrorString() {
fErrorString.reset();
if (fError.hasError()) {
SkString err;
if (fFileName.size() > 0)
fErrorString.set(fFileName.c_str());
else
fErrorString.set("screenplay error");
int line = fError.getLineNumber();
if (line >= 0) {
fErrorString.append(", ");
fErrorString.append("line ");
fErrorString.appendS32(line);
}
fErrorString.append(": ");
fError.getErrorString(&err);
fErrorString.append(err);
#if defined SK_DEBUG
SkDebugf("%s\n", fErrorString.c_str());
#endif
}
}
void SkAnimateMaker::setEnableTime(SkMSec appTime, SkMSec expectedTime) {
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
SkString debugOut;
SkMSec time = getAppTime();
debugOut.appendS32(time - fDebugTimeBase);
debugOut.append(" set enable old enable=");
debugOut.appendS32(fEnableTime - fDebugTimeBase);
debugOut.append(" old adjust=");
debugOut.appendS32(fAdjustedStart);
debugOut.append(" new enable=");
debugOut.appendS32(expectedTime - fDebugTimeBase);
debugOut.append(" new adjust=");
debugOut.appendS32(appTime - expectedTime);
SkDebugf("%s\n", debugOut.c_str());
#endif
fAdjustedStart = appTime - expectedTime;
fEnableTime = expectedTime;
SkDisplayable** firstMovie = fMovies.begin();
SkDisplayable** endMovie = fMovies.end();
for (SkDisplayable** ptr = firstMovie; ptr < endMovie; ptr++) {
SkDisplayMovie* movie = (SkDisplayMovie*) *ptr;
movie->fMovie.fMaker->setEnableTime(appTime, expectedTime);
}
}
void SkAnimateMaker::setExtraPropertyCallBack(SkDisplayTypes type,
SkScriptEngine::_propertyCallBack callBack, void* userStorage) {
SkExtras** end = fExtras.end();
for (SkExtras** extraPtr = fExtras.begin(); extraPtr < end; extraPtr++) {
SkExtras* extra = *extraPtr;
if (extra->definesType(type)) {
extra->fExtraCallBack = callBack;
extra->fExtraStorage = userStorage;
break;
}
}
}
void SkAnimateMaker::setID(SkDisplayable* displayable, const SkString& newID) {
fIDs.set(newID.c_str(), displayable);
#ifdef SK_DEBUG
displayable->_id.set(newID);
displayable->id = displayable->_id.c_str();
#endif
}
void SkAnimateMaker::setScriptError(const SkScriptEngine& engine) {
SkString errorString;
#ifdef SK_DEBUG
engine.getErrorString(&errorString);
#endif
setErrorNoun(errorString);
setErrorCode(SkDisplayXMLParserError::kErrorInScript);
}
bool SkAnimateMaker::GetStep(const char* token, size_t len, void* stepPtr, SkScriptValue* value) {
if (SK_LITERAL_STR_EQUAL("step", token, len)) {
value->fOperand.fS32 = *(int32_t*) stepPtr;
value->fType = SkType_Int;
return true;
}
return false;
}