michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "SkDisplayAdd.h"
michael@0: #include "SkAnimateMaker.h"
michael@0: #include "SkDisplayApply.h"
michael@0: #include "SkDisplayList.h"
michael@0: #include "SkDrawable.h"
michael@0: #include "SkDrawGroup.h"
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkAdd::fInfo[] = {
michael@0:     SK_MEMBER(mode, AddMode),
michael@0:     SK_MEMBER(offset, Int),
michael@0:     SK_MEMBER(use, Drawable),
michael@0:     SK_MEMBER(where, Drawable)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: // start here;
michael@0: // add onEndElement to turn where string into f_Where
michael@0: // probably need new SkAnimateMaker::resolve flavor that takes
michael@0: // where="id", where="event-target" or not-specified
michael@0: // offset="#" (implements before, after, and index if no 'where')
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkAdd);
michael@0: 
michael@0: SkAdd::SkAdd() : mode(kMode_indirect),
michael@0:     offset(SK_MaxS32), use(NULL), where(NULL) {
michael@0: }
michael@0: 
michael@0: SkDisplayable* SkAdd::deepCopy(SkAnimateMaker* maker) {
michael@0:     SkDrawable* saveUse = use;
michael@0:     SkDrawable* saveWhere = where;
michael@0:     use = NULL;
michael@0:     where = NULL;
michael@0:     SkAdd* copy = (SkAdd*) INHERITED::deepCopy(maker);
michael@0:     copy->use = use = saveUse;
michael@0:     copy->where = where = saveWhere;
michael@0:     return copy;
michael@0: }
michael@0: 
michael@0: bool SkAdd::draw(SkAnimateMaker& maker) {
michael@0:     SkASSERT(use);
michael@0:     SkASSERT(use->isDrawable());
michael@0:     if (mode == kMode_indirect)
michael@0:         use->draw(maker);
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: #ifdef SK_DUMP_ENABLED
michael@0: void SkAdd::dump(SkAnimateMaker* maker) {
michael@0:     dumpBase(maker);
michael@0:     dumpAttrs(maker);
michael@0:     if (where)
michael@0:         SkDebugf("where=\"%s\" ", where->id);
michael@0:     if (mode == kMode_immediate)
michael@0:         SkDebugf("mode=\"immediate\" ");
michael@0:     SkDebugf(">\n");
michael@0:     SkDisplayList::fIndent += 4;
michael@0:     int save = SkDisplayList::fDumpIndex;
michael@0:     if (use)    //just in case
michael@0:         use->dump(maker);
michael@0:     SkDisplayList::fIndent -= 4;
michael@0:     SkDisplayList::fDumpIndex = save;
michael@0:     dumpEnd(maker);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool SkAdd::enable(SkAnimateMaker& maker ) {
michael@0:     SkDisplayTypes type = getType();
michael@0:     SkDisplayList& displayList = maker.fDisplayList;
michael@0:     SkTDDrawableArray* parentList = displayList.getDrawList();
michael@0:     if (type == SkType_Add) {
michael@0:         if (use == NULL) // not set in apply yet
michael@0:             return true;
michael@0:     }
michael@0:     bool skipAddToParent = true;
michael@0:     SkASSERT(type != SkType_Replace || where);
michael@0:     SkTDDrawableArray* grandList SK_INIT_TO_AVOID_WARNING;
michael@0:     SkGroup* parentGroup = NULL;
michael@0:     SkGroup* thisGroup = NULL;
michael@0:     int index = where ? displayList.findGroup(where, &parentList, &parentGroup,
michael@0:         &thisGroup, &grandList) : 0;
michael@0:     if (index < 0)
michael@0:         return true;
michael@0:     int max = parentList->count();
michael@0:     if (where == NULL && type == SkType_Move)
michael@0:         index = max;
michael@0:     if (offset != SK_MaxS32) {
michael@0:         index += offset;
michael@0:         if (index > max) {
michael@0:             maker.setErrorCode(SkDisplayXMLParserError::kIndexOutOfRange);
michael@0:             return true;    // caller should not add
michael@0:         }
michael@0:     }
michael@0:     if (offset < 0 && where == NULL)
michael@0:         index += max + 1;
michael@0:     switch (type) {
michael@0:         case SkType_Add:
michael@0:             if (offset == SK_MaxS32 && where == NULL) {
michael@0:                 if (use->isDrawable()) {
michael@0:                     skipAddToParent = mode == kMode_immediate;
michael@0:                     if (skipAddToParent) {
michael@0:                         if (where == NULL) {
michael@0:                             SkTDDrawableArray* useParentList;
michael@0:                             index = displayList.findGroup(this, &useParentList, &parentGroup,
michael@0:                                 &thisGroup, &grandList);
michael@0:                             if (index >= 0) {
michael@0:                                 parentGroup->markCopySize(index);
michael@0:                                 parentGroup->markCopySet(index);
michael@0:                                 useParentList->begin()[index] = use;
michael@0:                                 break;
michael@0:                             }
michael@0:                         }
michael@0:                         *parentList->append() = use;
michael@0:                     }
michael@0:                 }
michael@0:                 break;
michael@0:             } else {
michael@0:                 if (thisGroup)
michael@0:                     thisGroup->markCopySize(index);
michael@0:                 *parentList->insert(index) = use;
michael@0:                 if (thisGroup)
michael@0:                     thisGroup->markCopySet(index);
michael@0:                 if (use->isApply())
michael@0:                     ((SkApply*) use)->setEmbedded();
michael@0:             }
michael@0:             break;
michael@0:         case SkType_Move: {
michael@0:             int priorLocation = parentList->find(use);
michael@0:             if (priorLocation < 0)
michael@0:                 break;
michael@0:             *parentList->insert(index) = use;
michael@0:             if (index < priorLocation)
michael@0:                 priorLocation++;
michael@0:             parentList->remove(priorLocation);
michael@0:             } break;
michael@0:         case SkType_Remove: {
michael@0:             SkDisplayable* old = (*parentList)[index];
michael@0:             if (((SkRemove*)(this))->fDelete) {
michael@0:                 delete old;
michael@0:                 goto noHelperNeeded;
michael@0:             }
michael@0:             for (int inner = 0; inner < maker.fChildren.count(); inner++) {
michael@0:                 SkDisplayable* child = maker.fChildren[inner];
michael@0:                 if (child == old || child->contains(old))
michael@0:                     goto noHelperNeeded;
michael@0:             }
michael@0:             if (maker.fHelpers.find(old) < 0)
michael@0:                 maker.helperAdd(old);
michael@0: noHelperNeeded:
michael@0:             parentList->remove(index);
michael@0:             } break;
michael@0:         case SkType_Replace:
michael@0:             if (thisGroup) {
michael@0:                 thisGroup->markCopySize(index);
michael@0:                 if (thisGroup->markedForDelete(index)) {
michael@0:                     SkDisplayable* old = (*parentList)[index];
michael@0:                     if (maker.fHelpers.find(old) < 0)
michael@0:                         maker.helperAdd(old);
michael@0:                 }
michael@0:             }
michael@0:             (*parentList)[index] = use;
michael@0:             if (thisGroup)
michael@0:                 thisGroup->markCopySet(index);
michael@0:             break;
michael@0:         default:
michael@0:             SkASSERT(0);
michael@0:     }
michael@0:     if (type == SkType_Remove)
michael@0:         return true;
michael@0:     if (use->hasEnable())
michael@0:         use->enable(maker);
michael@0:     return skipAddToParent; // append if indirect: *parentList->append() = this;
michael@0: }
michael@0: 
michael@0: bool SkAdd::hasEnable() const {
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: void SkAdd::initialize() {
michael@0:     if (use)
michael@0:         use->initialize();
michael@0: }
michael@0: 
michael@0: bool SkAdd::isDrawable() const {
michael@0:     return getType() == SkType_Add && mode == kMode_indirect && offset == SK_MaxS32 &&
michael@0:         where == NULL && use != NULL && use->isDrawable();
michael@0: }
michael@0: 
michael@0: //SkDisplayable* SkAdd::resolveTarget(SkAnimateMaker& maker) {
michael@0: //  return use;
michael@0: //}
michael@0: 
michael@0: 
michael@0: bool SkClear::enable(SkAnimateMaker& maker ) {
michael@0:     SkDisplayList& displayList = maker.fDisplayList;
michael@0:     displayList.clear();
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkMove::fInfo[] = {
michael@0:     SK_MEMBER_INHERITED
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkMove);
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkRemove::fInfo[] = {
michael@0:     SK_MEMBER_ALIAS(delete, fDelete, Boolean),  // !!! experimental
michael@0:     SK_MEMBER(offset, Int),
michael@0:     SK_MEMBER(where, Drawable)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkRemove);
michael@0: 
michael@0: SkRemove::SkRemove() : fDelete(false) {
michael@0: }
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkReplace::fInfo[] = {
michael@0:     SK_MEMBER_INHERITED
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkReplace);