dali/internal/event/common/object-impl.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/common/object-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <algorithm>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/devel-api/object/handle-devel.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/internal/common/const-string.h>
  28 #include <dali/internal/event/animation/constraint-impl.h>
  29 #include <dali/internal/event/common/property-helper.h>
  30 #include <dali/internal/event/common/property-notification-impl.h>
  31 #include <dali/internal/event/common/stage-impl.h>
  32 #include <dali/internal/event/common/type-registry-impl.h>
  33 #include <dali/internal/update/animation/scene-graph-constraint-base.h>
  34 #include <dali/internal/update/common/animatable-property.h>
  35 #include <dali/internal/update/common/property-owner-messages.h>
  36 #include <dali/internal/update/common/property-owner.h>
  37 #include <dali/internal/update/common/uniform-map.h>
  38
  39 using Dali::Internal::SceneGraph::AnimatableProperty;
  40 using Dali::Internal::SceneGraph::PropertyBase;
  41
  42 namespace Dali
  43 {
  44 namespace Internal
  45 {
  46 namespace // unnamed namespace
  47 {
  48 const int32_t SUPPORTED_CAPABILITIES = Dali::Handle::DYNAMIC_PROPERTIES; // Object provides this capability
  49
  50 #if defined(DEBUG_ENABLED)
  51 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_OBJECT");
  52 #endif
  53
  54 constexpr Property::Index MAX_PER_CLASS_PROPERTY_INDEX = ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX;
  55
  56 } // unnamed namespace
  57
  58 IntrusivePtr<Object> Object::New()
  59 {
  60   return new Object(nullptr); // no scene object by default
  61 }
  62
  63 void Object::AddObserver(Observer& observer)
  64 {
  65   // make sure an observer doesn't observe the same object twice
  66   // otherwise it will get multiple calls to OnSceneObjectAdd(), OnSceneObjectRemove() and ObjectDestroyed()
  67   DALI_ASSERT_DEBUG(mObservers.End() == std::find(mObservers.Begin(), mObservers.End(), &observer));
  68
  69   mObservers.PushBack(&observer);
  70 }
  71
  72 void Object::RemoveObserver(Observer& observer)
  73 {
  74   // Find the observer...
  75   const auto endIter = mObservers.End();
  76   for(auto iter = mObservers.Begin(); iter != endIter; ++iter)
  77   {
  78     if((*iter) == &observer)
  79     {
  80       mObservers.Erase(iter);
  81       break;
  82     }
  83   }
  84   DALI_ASSERT_DEBUG(endIter != mObservers.End());
  85 }
  86
  87 bool Object::Supports(Capability capability) const
  88 {
  89   return (capability & SUPPORTED_CAPABILITIES);
  90 }
  91
  92 uint32_t Object::GetPropertyCount() const
  93 {
  94   uint32_t        count = 0u;
  95   const TypeInfo* typeInfo(GetTypeInfo());
  96   if(typeInfo)
  97   {
  98     count = typeInfo->GetPropertyCount();
  99
 100     DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Registered Properties:  %d\n", count);
 101   }
 102
 103   uint32_t custom = static_cast<uint32_t>(mCustomProperties.Count());
 104   count += custom;
 105   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Custom Properties:  %d\n", custom);
 106
 107   DALI_LOG_INFO(gLogFilter, Debug::Concise, "Total Properties:   %d\n", count);
 108
 109   return count;
 110 }
 111
 112 std::string_view Object::GetPropertyName(Property::Index index) const
 113 {
 114   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index out of bounds");
 115
 116   // is this a per class or per instance property
 117   if(index < MAX_PER_CLASS_PROPERTY_INDEX)
 118   {
 119     const TypeInfo* typeInfo(GetTypeInfo());
 120     if(typeInfo)
 121     {
 122       return typeInfo->GetPropertyName(index);
 123     }
 124   }
 125   else // child property or custom property
 126   {
 127     CustomPropertyMetadata* custom = FindCustomProperty(index);
 128     if(custom)
 129     {
 130       return custom->name.GetStringView();
 131     }
 132   }
 133
 134   DALI_LOG_ERROR("Property index %d not found\n", index);
 135   return {};
 136 }
 137
 138 Property::Index Object::GetPropertyIndex(KeyRef key) const
 139 {
 140   Property::Index index = Property::INVALID_INDEX;
 141
 142   if(key.mType == Property::Key::STRING)
 143   {
 144     const TypeInfo* typeInfo(GetTypeInfo());
 145     if(typeInfo)
 146     {
 147       index = typeInfo->GetPropertyIndex(key.mString);
 148     }
 149   }
 150
 151   if((index == Property::INVALID_INDEX) && (mCustomProperties.Count() > 0))
 152   {
 153     Property::Index count = PROPERTY_CUSTOM_START_INDEX;
 154     const auto      end   = mCustomProperties.End();
 155     for(auto iter = mCustomProperties.Begin(); iter != end; ++iter, ++count)
 156     {
 157       CustomPropertyMetadata* custom = static_cast<CustomPropertyMetadata*>(*iter);
 158
 159       if((key.mType == Property::Key::STRING && custom->name == key.mString) ||
 160          (key.mType == Property::Key::INDEX && custom->key == key.mIndex))
 161       {
 162         if(custom->childPropertyIndex != Property::INVALID_INDEX)
 163         {
 164           // If it is a child property, return the child property index
 165           index = custom->childPropertyIndex;
 166         }
 167         else
 168         {
 169           index = count;
 170         }
 171         break;
 172       }
 173     }
 174   }
 175
 176   return index;
 177 }
 178
 179 bool Object::IsPropertyWritable(Property::Index index) const
 180 {
 181   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 182
 183   bool writable = false;
 184
 185   // is this a per class or per instance property
 186   if(index < MAX_PER_CLASS_PROPERTY_INDEX)
 187   {
 188     const TypeInfo* typeInfo(GetTypeInfo());
 189     if(typeInfo)
 190     {
 191       writable = typeInfo->IsPropertyWritable(index);
 192     }
 193   }
 194   else
 195   {
 196     CustomPropertyMetadata* custom = FindCustomProperty(index);
 197     if(custom)
 198     {
 199       writable = custom->IsWritable();
 200     }
 201   }
 202
 203   return writable;
 204 }
 205
 206 bool Object::IsPropertyAnimatable(Property::Index index) const
 207 {
 208   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 209
 210   bool animatable = false;
 211
 212   // is this a per class or per instance property
 213   if(index < MAX_PER_CLASS_PROPERTY_INDEX)
 214   {
 215     const TypeInfo* typeInfo(GetTypeInfo());
 216     if(typeInfo)
 217     {
 218       animatable = typeInfo->IsPropertyAnimatable(index);
 219     }
 220   }
 221   else
 222   {
 223     CustomPropertyMetadata* custom = FindCustomProperty(index);
 224     if(custom)
 225     {
 226       animatable = custom->IsAnimatable();
 227     }
 228   }
 229
 230   return animatable;
 231 }
 232
 233 bool Object::IsPropertyAConstraintInput(Property::Index index) const
 234 {
 235   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 236
 237   bool isConstraintInput = false;
 238
 239   // is this a per class or per instance property
 240   if(index < MAX_PER_CLASS_PROPERTY_INDEX)
 241   {
 242     const TypeInfo* typeInfo(GetTypeInfo());
 243     if(typeInfo)
 244     {
 245       isConstraintInput = typeInfo->IsPropertyAConstraintInput(index);
 246     }
 247   }
 248   else
 249   {
 250     CustomPropertyMetadata* custom = FindCustomProperty(index);
 251     if(custom)
 252     {
 253       // ... custom properties can be used as input to a constraint.
 254       isConstraintInput = true;
 255     }
 256   }
 257
 258   return isConstraintInput;
 259 }
 260
 261 Property::Type Object::GetPropertyType(Property::Index index) const
 262 {
 263   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 264
 265   // is this a per class or per instance property
 266   if(index < MAX_PER_CLASS_PROPERTY_INDEX)
 267   {
 268     const TypeInfo* typeInfo(GetTypeInfo());
 269     if(typeInfo)
 270     {
 271       return typeInfo->GetPropertyType(index);
 272     }
 273   }
 274
 275   CustomPropertyMetadata* custom = FindCustomProperty(index);
 276   if(custom)
 277   {
 278     return custom->GetType();
 279   }
 280
 281   return Property::NONE;
 282 }
 283
 284 void Object::SetProperty(Property::Index index, Property::Value propertyValue)
 285 {
 286   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 287
 288   bool propertySet(true);
 289
 290   if(index < DEFAULT_PROPERTY_MAX_COUNT)
 291   {
 292     SetDefaultProperty(index, propertyValue);
 293   }
 294   else if((index >= PROPERTY_REGISTRATION_START_INDEX) && (index <= PROPERTY_REGISTRATION_MAX_INDEX))
 295   {
 296     const TypeInfo* typeInfo(GetTypeInfo());
 297     if(typeInfo)
 298     {
 299       typeInfo->SetProperty(this, index, propertyValue);
 300     }
 301     else
 302     {
 303       // cannot register this property as there is no setter for it.
 304       // event side properties must have a setter for now so need to be registered
 305       DALI_LOG_ERROR("Property index %d not found\n", index);
 306       propertySet = false;
 307     }
 308   }
 309   else if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 310   {
 311     // check whether the animatable property is registered already, if not then register one.
 312     AnimatablePropertyMetadata* animatableProperty = GetSceneAnimatableProperty(index, &propertyValue);
 313     if(!animatableProperty)
 314     {
 315       DALI_LOG_ERROR("Property index %d not found\n", index);
 316       propertySet = false;
 317     }
 318     else
 319     {
 320       // update the cached property value
 321       animatableProperty->SetPropertyValue(propertyValue);
 322
 323       // set the scene graph property value
 324       SetSceneGraphProperty(index, *animatableProperty, propertyValue);
 325     }
 326   }
 327   else
 328   {
 329     CustomPropertyMetadata* custom = FindCustomProperty(index);
 330
 331     if((index >= CHILD_PROPERTY_REGISTRATION_START_INDEX) && (index <= CHILD_PROPERTY_REGISTRATION_MAX_INDEX))
 332     {
 333       if(!custom)
 334       {
 335         // If the child property is not registered yet, register it.
 336         custom = new CustomPropertyMetadata({}, propertyValue, Property::READ_WRITE);
 337         mCustomProperties.PushBack(custom);
 338       }
 339
 340       custom->childPropertyIndex = index;
 341
 342       // Resolve name for the child property
 343       Object* parent = GetParentObject();
 344       if(parent)
 345       {
 346         const TypeInfo* parentTypeInfo(parent->GetTypeInfo());
 347         if(parentTypeInfo)
 348         {
 349           custom->name = ConstString(parentTypeInfo->GetChildPropertyName(index));
 350         }
 351       }
 352     }
 353
 354     if(custom)
 355     {
 356       if(custom->IsAnimatable())
 357       {
 358         // update the cached property value
 359         custom->SetPropertyValue(propertyValue);
 360
 361         // set the scene graph property value
 362         SetSceneGraphProperty(index, *custom, propertyValue);
 363       }
 364       else if(custom->IsWritable())
 365       {
 366         // update the cached property value
 367         custom->SetPropertyValue(propertyValue);
 368       }
 369       else
 370       {
 371         // trying to set value on read only property is no-op
 372         propertySet = false;
 373       }
 374     }
 375     else
 376     {
 377       DALI_LOG_ERROR("Property index %d not found\n", index);
 378       propertySet = false;
 379     }
 380   }
 381
 382   // Let derived classes know that a property has been set
 383   // TODO: We should not call this for read-only properties, SetDefaultProperty() && TypeInfo::SetProperty() should return a bool, which would be true if the property is set
 384   if(propertySet)
 385   {
 386     OnPropertySet(index, propertyValue);
 387     if(!mPropertySetSignal.Empty())
 388     {
 389       Dali::Handle handle(this);
 390       mPropertySetSignal.Emit(handle, index, propertyValue);
 391     }
 392   }
 393 }
 394
 395 Property::Value Object::GetProperty(Property::Index index) const
 396 {
 397   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 398
 399   Property::Value value;
 400
 401   if(index < DEFAULT_PROPERTY_MAX_COUNT)
 402   {
 403     value = GetDefaultProperty(index);
 404   }
 405   else if((index >= PROPERTY_REGISTRATION_START_INDEX) && (index <= PROPERTY_REGISTRATION_MAX_INDEX))
 406   {
 407     const TypeInfo* typeInfo(GetTypeInfo());
 408     if(typeInfo)
 409     {
 410       value = typeInfo->GetProperty(this, index);
 411     }
 412     else
 413     {
 414       DALI_LOG_ERROR("Property index %d not found\n", index);
 415     }
 416   }
 417   else if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 418   {
 419     // check whether the animatable property is registered already, if not then register one.
 420     // this is needed because property value may have been set as full property and get as a property component
 421     AnimatablePropertyMetadata* animatableProperty = GetSceneAnimatableProperty(index, nullptr);
 422     if(animatableProperty)
 423     {
 424       // get the cached animatable property value
 425       value = animatableProperty->GetPropertyValue();
 426     }
 427     else
 428     {
 429       DALI_LOG_ERROR("Property index %d not found\n", index);
 430     }
 431   }
 432   else if(mCustomProperties.Count() > 0)
 433   {
 434     CustomPropertyMetadata* custom = FindCustomProperty(index);
 435     if(custom)
 436     {
 437       // get the cached custom property value
 438       value = custom->GetPropertyValue();
 439     }
 440     else
 441     {
 442       DALI_LOG_ERROR("Property index %d not found\n", index);
 443     }
 444   } // if custom
 445
 446   return value;
 447 }
 448
 449 Property::Value Object::GetCurrentProperty(Property::Index index) const
 450 {
 451   DALI_ASSERT_ALWAYS(index > Property::INVALID_INDEX && "Property index is out of bounds");
 452
 453   Property::Value value;
 454
 455   if(index < DEFAULT_PROPERTY_MAX_COUNT)
 456   {
 457     value = GetDefaultPropertyCurrentValue(index);
 458   }
 459   else if((index >= PROPERTY_REGISTRATION_START_INDEX) && (index <= PROPERTY_REGISTRATION_MAX_INDEX))
 460   {
 461     const TypeInfo* typeInfo(GetTypeInfo());
 462     if(typeInfo)
 463     {
 464       value = typeInfo->GetProperty(this, index);
 465     }
 466     else
 467     {
 468       DALI_LOG_ERROR("Property index %d not found\n", index);
 469     }
 470   }
 471   else if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 472   {
 473     // check whether the animatable property is registered already, if not then register one.
 474     // this is needed because property value may have been set as full property and get as a property component
 475     AnimatablePropertyMetadata* animatableProperty = GetSceneAnimatableProperty(index, nullptr);
 476     if(animatableProperty)
 477     {
 478       // get the animatable property value
 479       value = GetCurrentPropertyValue(*animatableProperty);
 480     }
 481     else
 482     {
 483       DALI_LOG_ERROR("Property index %d not found\n", index);
 484     }
 485   }
 486   else if(mCustomProperties.Count() > 0)
 487   {
 488     CustomPropertyMetadata* custom = FindCustomProperty(index);
 489     if(custom)
 490     {
 491       // get the custom property value
 492       value = GetCurrentPropertyValue(*custom);
 493     }
 494     else
 495     {
 496       DALI_LOG_ERROR("Property index %d not found\n", index);
 497     }
 498   } // if custom
 499
 500   return value;
 501 }
 502
 503 void Object::GetPropertyIndices(Property::IndexContainer& indices) const
 504 {
 505   indices.Clear();
 506
 507   // Manual Properties
 508   const TypeInfo* typeInfo(GetTypeInfo());
 509   if(typeInfo)
 510   {
 511     typeInfo->GetPropertyIndices(indices);
 512   }
 513
 514   // Custom Properties
 515   if(mCustomProperties.Count() > 0)
 516   {
 517     indices.Reserve(indices.Size() + mCustomProperties.Count());
 518
 519     auto       iter    = mCustomProperties.Begin();
 520     const auto endIter = mCustomProperties.End();
 521     int32_t    i       = 0;
 522     for(; iter != endIter; ++iter, ++i)
 523     {
 524       CustomPropertyMetadata* custom = static_cast<CustomPropertyMetadata*>(*iter);
 525       if(custom->childPropertyIndex != Property::INVALID_INDEX)
 526       {
 527         // If it is a child property, add the child property index
 528         indices.PushBack(custom->childPropertyIndex);
 529       }
 530       else
 531       {
 532         indices.PushBack(PROPERTY_CUSTOM_START_INDEX + i);
 533       }
 534     }
 535   }
 536 }
 537
 538 Property::Index Object::RegisterProperty(std::string_view name, Property::Value propertyValue)
 539 {
 540   return RegisterProperty(name, Property::INVALID_KEY, std::move(propertyValue), Property::ANIMATABLE);
 541 }
 542
 543 Property::Index Object::RegisterProperty(std::string_view name, Property::Index key, Property::Value propertyValue)
 544 {
 545   return RegisterProperty(name, key, std::move(propertyValue), Property::ANIMATABLE);
 546 }
 547
 548 void Object::SetProperties(const Property::Map& properties)
 549 {
 550   const auto count = properties.Count();
 551   for(auto position = 0u; position < count; ++position)
 552   {
 553     // GetKeyAt and GetValue both return references which means no potential copying of maps/arrays.
 554     // Iterating twice to get the value we want should still be fairly quick in a Property::Map.
 555
 556     const auto& key           = properties.GetKeyAt(position);
 557     const auto  propertyIndex = (key.type == Property::Key::INDEX) ? key.indexKey : GetPropertyIndex(key);
 558
 559     if(propertyIndex != Property::INVALID_INDEX)
 560     {
 561       const auto& value = properties.GetValue(position);
 562       SetProperty(propertyIndex, value);
 563     }
 564   }
 565 }
 566
 567 void Object::GetProperties(Property::Map& properties)
 568 {
 569   properties.Clear();
 570
 571   Property::IndexContainer indexContainer;
 572   GetPropertyIndices(indexContainer);
 573
 574   for(auto index : indexContainer)
 575   {
 576     properties[index] = GetProperty(index);
 577   }
 578 }
 579
 580 Property::Index Object::RegisterProperty(std::string_view     name,
 581                                          Property::Value      propertyValue,
 582                                          Property::AccessMode accessMode)
 583 {
 584   return RegisterProperty(name, Property::INVALID_KEY, std::move(propertyValue), accessMode);
 585 }
 586
 587 Property::Index Object::RegisterProperty(std::string_view     name,
 588                                          Property::Index      key,
 589                                          Property::Value      propertyValue,
 590                                          Property::AccessMode accessMode)
 591 {
 592   auto constString = ConstString(name);
 593   // If property with the required key already exists, then just set it.
 594   Property::Index index = Property::INVALID_INDEX;
 595   if(key != Property::INVALID_KEY) // Try integer key first if it's valid
 596   {
 597     index = GetPropertyIndex(key);
 598   }
 599   if(index == Property::INVALID_INDEX) // If it wasn't valid, or doesn't exist, try name
 600   {
 601     index = GetPropertyIndex(constString);
 602   }
 603
 604   if(index != Property::INVALID_INDEX) // If there was a valid index found by either key, set it.
 605   {
 606     SetProperty(index, std::move(propertyValue));
 607   }
 608   else
 609   {
 610     // Otherwise register the property
 611     if(Property::ANIMATABLE == accessMode)
 612     {
 613       index = RegisterSceneGraphProperty(
 614         constString,
 615         key,
 616         PROPERTY_CUSTOM_START_INDEX + static_cast<Property::Index>(mCustomProperties.Count()),
 617         std::move(propertyValue));
 618       AddUniformMapping(index, constString);
 619     }
 620     else
 621     {
 622       // Add entry to the property lookup
 623       index = PROPERTY_CUSTOM_START_INDEX + static_cast<Property::Index>(mCustomProperties.Count());
 624
 625       CustomPropertyMetadata* customProperty =
 626         new CustomPropertyMetadata(constString, std::move(propertyValue), accessMode);
 627
 628       // Resolve index for the child property
 629       Object* parent = GetParentObject();
 630       if(parent)
 631       {
 632         const TypeInfo* parentTypeInfo(parent->GetTypeInfo());
 633         if(parentTypeInfo)
 634         {
 635           Property::Index childPropertyIndex = parentTypeInfo->GetChildPropertyIndex(customProperty->name);
 636           if(childPropertyIndex != Property::INVALID_INDEX)
 637           {
 638             customProperty->childPropertyIndex = childPropertyIndex;
 639             index                              = childPropertyIndex;
 640           }
 641         }
 642       }
 643
 644       mCustomProperties.PushBack(customProperty);
 645     }
 646   }
 647
 648   return index;
 649 }
 650
 651 bool Object::DoesCustomPropertyExist(Property::Index index)
 652 {
 653   auto metadata = FindCustomProperty(index);
 654   return metadata != nullptr;
 655 }
 656
 657 Dali::PropertyNotification Object::AddPropertyNotification(Property::Index                index,
 658                                                            int32_t                        componentIndex,
 659                                                            const Dali::PropertyCondition& condition)
 660 {
 661   if(index >= DEFAULT_PROPERTY_MAX_COUNT)
 662   {
 663     if(index <= PROPERTY_REGISTRATION_MAX_INDEX)
 664     {
 665       DALI_ABORT("Property notification added to event side only property.");
 666     }
 667     else if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 668     {
 669       // check whether the animatable property is registered already, if not then register one.
 670       AnimatablePropertyMetadata* animatable = GetSceneAnimatableProperty(index, nullptr);
 671       DALI_ASSERT_ALWAYS(animatable && "Property index is invalid");
 672     }
 673     else if(mCustomProperties.Count() > 0)
 674     {
 675       CustomPropertyMetadata* custom = FindCustomProperty(index);
 676       DALI_ASSERT_ALWAYS(custom && "Invalid property index");
 677       DALI_ASSERT_ALWAYS(custom->IsAnimatable() && "Property notification added to event side only property.");
 678     }
 679   }
 680
 681   Dali::Handle self(this);
 682   Property     target(self, index);
 683
 684   PropertyNotificationPtr    internal = PropertyNotification::New(target, componentIndex, condition);
 685   Dali::PropertyNotification propertyNotification(internal.Get());
 686
 687   if(!mPropertyNotifications)
 688   {
 689     mPropertyNotifications = new PropertyNotificationContainer;
 690   }
 691   mPropertyNotifications->push_back(propertyNotification);
 692
 693   return propertyNotification;
 694 }
 695
 696 void Object::RemovePropertyNotification(Dali::PropertyNotification propertyNotification)
 697 {
 698   if(mPropertyNotifications)
 699   {
 700     auto iter = mPropertyNotifications->begin();
 701     while(iter != mPropertyNotifications->end())
 702     {
 703       if(*iter == propertyNotification)
 704       {
 705         mPropertyNotifications->erase(iter);
 706         // As we can't ensure all references are removed, we can just disable
 707         // the notification.
 708         GetImplementation(propertyNotification).Disable();
 709         return;
 710       }
 711       ++iter;
 712     }
 713   }
 714 }
 715
 716 void Object::RemovePropertyNotifications()
 717 {
 718   if(mPropertyNotifications)
 719   {
 720     auto iter = mPropertyNotifications->begin();
 721     while(iter != mPropertyNotifications->end())
 722     {
 723       // As we can't ensure all references are removed, we can just disable
 724       // the notification.
 725       GetImplementation(*iter).Disable();
 726       ++iter;
 727     }
 728
 729     mPropertyNotifications->clear();
 730   }
 731 }
 732
 733 void Object::NotifyPropertyAnimation(Animation& animation, Property::Index index, const Property::Value& value, Animation::Type animationType)
 734 {
 735   if(index < DEFAULT_PROPERTY_MAX_COUNT)
 736   {
 737     OnNotifyDefaultPropertyAnimation(animation, index, value, animationType);
 738   }
 739   else
 740   {
 741     PropertyMetadata* propertyMetadata = nullptr;
 742     if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 743     {
 744       propertyMetadata = FindAnimatableProperty(index);
 745     }
 746     else
 747     {
 748       CustomPropertyMetadata* custom = FindCustomProperty(index);
 749       if(custom && custom->IsAnimatable())
 750       {
 751         propertyMetadata = custom;
 752       }
 753     }
 754
 755     if(propertyMetadata)
 756     {
 757       switch(animationType)
 758       {
 759         case Animation::TO:
 760         case Animation::BETWEEN:
 761         {
 762           // Update the cached property value
 763           propertyMetadata->SetPropertyValue(value);
 764           break;
 765         }
 766         case Animation::BY:
 767         {
 768           // Adjust the cached property value
 769           propertyMetadata->AdjustPropertyValueBy(value);
 770           break;
 771         }
 772       }
 773     }
 774   }
 775 }
 776
 777 void Object::AddUniformMapping(Property::Index propertyIndex, ConstString uniformName) const
 778 {
 779   // Get the address of the property if it's a scene property
 780   const PropertyInputImpl* propertyPtr = GetSceneObjectInputProperty(propertyIndex);
 781
 782   // Check instead for newly registered properties
 783   if(propertyPtr == nullptr)
 784   {
 785     PropertyMetadata* animatable = FindAnimatableProperty(propertyIndex);
 786     if(animatable)
 787     {
 788       propertyPtr = animatable->GetSceneGraphProperty();
 789     }
 790   }
 791
 792   if(propertyPtr == nullptr)
 793   {
 794     PropertyMetadata* custom = FindCustomProperty(propertyIndex);
 795     if(custom)
 796     {
 797       propertyPtr = custom->GetSceneGraphProperty();
 798     }
 799   }
 800
 801   if(propertyPtr)
 802   {
 803     const SceneGraph::PropertyOwner& sceneObject = GetSceneObject();
 804
 805     SceneGraph::UniformPropertyMapping map(uniformName, propertyPtr);
 806     // Message takes ownership of Uniform map (and will delete it after copy)
 807     AddUniformMapMessage(const_cast<EventThreadServices&>(GetEventThreadServices()), sceneObject, map);
 808   }
 809 }
 810
 811 void Object::RemoveUniformMapping(const std::string& uniformName) const
 812 {
 813   const SceneGraph::PropertyOwner& sceneObject = GetSceneObject();
 814   RemoveUniformMapMessage(const_cast<EventThreadServices&>(GetEventThreadServices()), sceneObject, ConstString(uniformName));
 815 }
 816
 817 void Object::ApplyConstraint(ConstraintBase& constraint)
 818 {
 819   if(!mConstraints)
 820   {
 821     mConstraints = new ConstraintContainer;
 822   }
 823   mConstraints->push_back(Dali::Constraint(&constraint));
 824 }
 825
 826 void Object::RemoveConstraint(ConstraintBase& constraint)
 827 {
 828   // nullptr if the Constraint sources are destroyed before Constraint::Apply()
 829   if(mConstraints)
 830   {
 831     ConstraintIter it(std::find(mConstraints->begin(), mConstraints->end(), Dali::Constraint(&constraint)));
 832     if(it != mConstraints->end())
 833     {
 834       mConstraints->erase(it);
 835     }
 836   }
 837 }
 838
 839 void Object::RemoveConstraints()
 840 {
 841   // guard against constraint sending messages during core destruction
 842   if(mConstraints && Stage::IsInstalled())
 843   {
 844     for(auto&& item : *mConstraints)
 845     {
 846       GetImplementation(item).RemoveInternal();
 847     }
 848
 849     delete mConstraints;
 850     mConstraints = nullptr;
 851   }
 852 }
 853
 854 void Object::RemoveConstraints(uint32_t tag)
 855 {
 856   // guard against constraint sending messages during core destruction
 857   if(mConstraints && Stage::IsInstalled())
 858   {
 859     auto iter(mConstraints->begin());
 860     while(iter != mConstraints->end())
 861     {
 862       ConstraintBase& constraint = GetImplementation(*iter);
 863       if(constraint.GetTag() == tag)
 864       {
 865         GetImplementation(*iter).RemoveInternal();
 866         iter = mConstraints->erase(iter);
 867       }
 868       else
 869       {
 870         ++iter;
 871       }
 872     }
 873
 874     if(mConstraints->empty())
 875     {
 876       delete mConstraints;
 877       mConstraints = nullptr;
 878     }
 879   }
 880 }
 881
 882 void Object::SetTypeInfo(const TypeInfo* typeInfo)
 883 {
 884   mTypeInfo = typeInfo;
 885 }
 886
 887 const SceneGraph::PropertyOwner& Object::GetSceneObject() const
 888 {
 889   if(!mUpdateObject)
 890   {
 891     auto                                    sceneObject = SceneGraph::PropertyOwner::New();
 892     OwnerPointer<SceneGraph::PropertyOwner> transferOwnership(sceneObject);
 893     mUpdateObject = sceneObject;
 894     AddObjectMessage(const_cast<EventThreadServices&>(GetEventThreadServices()).GetUpdateManager(), transferOwnership);
 895   }
 896   DALI_ASSERT_DEBUG(mUpdateObject && "there must always be a scene object");
 897   return *mUpdateObject;
 898 }
 899
 900 const PropertyBase* Object::GetSceneObjectAnimatableProperty(Property::Index index) const
 901 {
 902   const SceneGraph::PropertyBase* property = nullptr;
 903   if(index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX && index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX)
 904   {
 905     AnimatablePropertyMetadata* animatable = GetSceneAnimatableProperty(index, nullptr);
 906     DALI_ASSERT_ALWAYS(animatable && "Property index is invalid");
 907
 908     property = animatable->GetSceneGraphProperty();
 909   }
 910   else if((index >= CHILD_PROPERTY_REGISTRATION_START_INDEX) && // Child properties are also stored as custom properties
 911           (index <= PROPERTY_CUSTOM_MAX_INDEX))
 912   {
 913     CustomPropertyMetadata* custom = FindCustomProperty(index);
 914     DALI_ASSERT_ALWAYS(custom && "Property index is invalid");
 915
 916     property = custom->GetSceneGraphProperty();
 917   }
 918   return property;
 919 }
 920
 921 const PropertyInputImpl* Object::GetSceneObjectInputProperty(Property::Index index) const
 922 {
 923   // reuse animatable version as they are inputs as well
 924   return GetSceneObjectAnimatableProperty(index);
 925 }
 926
 927 int32_t Object::GetPropertyComponentIndex(Property::Index index) const
 928 {
 929   int32_t componentIndex = Property::INVALID_COMPONENT_INDEX;
 930
 931   if((index >= ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX) && (index <= ANIMATABLE_PROPERTY_REGISTRATION_MAX_INDEX))
 932   {
 933     // check whether the animatable property is registered already, if not then register one.
 934     AnimatablePropertyMetadata* animatableProperty = GetSceneAnimatableProperty(index, nullptr);
 935     if(animatableProperty)
 936     {
 937       componentIndex = animatableProperty->componentIndex;
 938     }
 939   }
 940   if(Property::INVALID_COMPONENT_INDEX == componentIndex)
 941   {
 942     const TypeInfo* typeInfo(GetTypeInfo());
 943     if(typeInfo)
 944     {
 945       componentIndex = typeInfo->GetComponentIndex(index);
 946     }
 947   }
 948
 949   return componentIndex;
 950 }
 951
 952 Handle::PropertySetSignalType& Object::PropertySetSignal()
 953 {
 954   return mPropertySetSignal;
 955 }
 956
 957 Object::Object(const SceneGraph::PropertyOwner* sceneObject)
 958 : mEventThreadServices(EventThreadServices::Get()),
 959   mUpdateObject(sceneObject),
 960   mTypeInfo(nullptr),
 961   mConstraints(nullptr),
 962   mPropertyNotifications(nullptr)
 963 {
 964 }
 965
 966 Object::~Object()
 967 {
 968   // Notification for observers
 969   for(auto&& item : mObservers)
 970   {
 971     item->ObjectDestroyed(*this);
 972   }
 973
 974   // Disable property notifications in scene graph
 975   DisablePropertyNotifications();
 976
 977   delete mConstraints;
 978   delete mPropertyNotifications;
 979
 980   // Guard to allow handle destruction after Core has been destroyed
 981   if(Stage::IsInstalled())
 982   {
 983     if(nullptr != mUpdateObject)
 984     {
 985       RemoveObjectMessage(GetEventThreadServices().GetUpdateManager(), mUpdateObject);
 986     }
 987   }
 988 }
 989
 990 void Object::OnSceneObjectAdd()
 991 {
 992   // Notification for observers
 993   for(auto&& item : mObservers)
 994   {
 995     item->SceneObjectAdded(*this);
 996   }
 997
 998   // enable property notifications in scene graph
 999   EnablePropertyNotifications();
1000 }
1001
1002 void Object::OnSceneObjectRemove()
1003 {
1004   // Notification for observers
1005   for(auto&& item : mObservers)
1006   {
1007     item->SceneObjectRemoved(*this);
1008   }
1009
1010   // disable property notifications in scene graph
1011   DisablePropertyNotifications();
1012 }
1013
1014 const TypeInfo* Object::GetTypeInfo() const
1015 {
1016   if(!mTypeInfo)
1017   {
1018     // This uses a dynamic_cast so can be quite expensive so we only really want to do it once
1019     // especially as the type-info does not change during the life-time of an application
1020
1021     TypeRegistry::TypeInfoPointer typeInfoHandle = TypeRegistry::Get()->GetTypeInfo(this);
1022     if(typeInfoHandle)
1023     {
1024       mTypeInfo = typeInfoHandle.Get(); // just a raw pointer to use, ownership is kept
1025     }
1026   }
1027
1028   return mTypeInfo;
1029 }
1030
1031 CustomPropertyMetadata* Object::FindCustomProperty(Property::Index index) const
1032 {
1033   CustomPropertyMetadata* property = nullptr;
1034   if((index >= CHILD_PROPERTY_REGISTRATION_START_INDEX) && (index <= CHILD_PROPERTY_REGISTRATION_MAX_INDEX))
1035   {
1036     for(std::size_t arrayIndex = 0; arrayIndex < mCustomProperties.Count(); arrayIndex++)
1037     {
1038       CustomPropertyMetadata* custom = static_cast<CustomPropertyMetadata*>(mCustomProperties[arrayIndex]);
1039       if(custom->childPropertyIndex == index)
1040       {
1041         property = custom;
1042       }
1043     }
1044   }
1045   else
1046   {
1047     int32_t arrayIndex = index - PROPERTY_CUSTOM_START_INDEX;
1048     if(arrayIndex >= 0)
1049     {
1050       if(arrayIndex < static_cast<int32_t>(mCustomProperties.Count())) // we can only access the first 2 billion custom properties
1051       {
1052         property = static_cast<CustomPropertyMetadata*>(mCustomProperties[arrayIndex]);
1053       }
1054     }
1055   }
1056   return property;
1057 }
1058
1059 AnimatablePropertyMetadata* Object::FindAnimatableProperty(Property::Index index) const
1060 {
1061   for(auto&& entry : mAnimatableProperties)
1062   {
1063     AnimatablePropertyMetadata* property = static_cast<AnimatablePropertyMetadata*>(entry);
1064     if(property->index == index)
1065     {
1066       return property;
1067     }
1068   }
1069   return nullptr;
1070 }
1071
1072 Property::Index Object::RegisterSceneGraphProperty(ConstString name, Property::Index key, Property::Index index, Property::Value propertyValue) const
1073 {
1074   // Create a new property
1075   Dali::Internal::OwnerPointer<PropertyBase> newProperty;
1076
1077   switch(propertyValue.GetType())
1078   {
1079     case Property::BOOLEAN:
1080     {
1081       newProperty = new AnimatableProperty<bool>(propertyValue.Get<bool>());
1082       break;
1083     }
1084
1085     case Property::INTEGER:
1086     {
1087       newProperty = new AnimatableProperty<int32_t>(propertyValue.Get<int32_t>());
1088       break;
1089     }
1090
1091     case Property::FLOAT:
1092     {
1093       newProperty = new AnimatableProperty<float>(propertyValue.Get<float>());
1094       break;
1095     }
1096
1097     case Property::VECTOR2:
1098     {
1099       newProperty = new AnimatableProperty<Vector2>(propertyValue.Get<Vector2>());
1100       break;
1101     }
1102
1103     case Property::VECTOR3:
1104     {
1105       newProperty = new AnimatableProperty<Vector3>(propertyValue.Get<Vector3>());
1106       break;
1107     }
1108
1109     case Property::VECTOR4:
1110     {
1111       newProperty = new AnimatableProperty<Vector4>(propertyValue.Get<Vector4>());
1112       break;
1113     }
1114
1115     case Property::MATRIX:
1116     {
1117       newProperty = new AnimatableProperty<Matrix>(propertyValue.Get<Matrix>());
1118       break;
1119     }
1120
1121     case Property::MATRIX3:
1122     {
1123       newProperty = new AnimatableProperty<Matrix3>(propertyValue.Get<Matrix3>());
1124       break;
1125     }
1126
1127     case Property::ROTATION:
1128     {
1129       newProperty = new AnimatableProperty<Quaternion>(propertyValue.Get<Quaternion>());
1130       break;
1131     }
1132
1133     case Property::RECTANGLE:
1134     case Property::STRING:
1135     case Property::ARRAY:
1136     case Property::MAP:
1137     case Property::EXTENTS:
1138     case Property::NONE:
1139     {
1140       DALI_ASSERT_ALWAYS(!"Property type is not animatable");
1141       break;
1142     }
1143   }
1144
1145   // get the scene property owner
1146   const SceneGraph::PropertyOwner& scenePropertyOwner = GetSceneObject();
1147   // keep a local pointer to the property as the OwnerPointer will pass its copy to the message
1148   const PropertyBase* property = newProperty.Get();
1149   if(index >= PROPERTY_CUSTOM_START_INDEX)
1150   {
1151     DALI_ASSERT_ALWAYS(index <= PROPERTY_CUSTOM_MAX_INDEX && "Too many custom properties have been registered");
1152
1153     mCustomProperties.PushBack(new CustomPropertyMetadata(name, key, std::move(propertyValue), property));
1154   }
1155   else
1156   {
1157     mAnimatableProperties.PushBack(new AnimatablePropertyMetadata(index, std::move(propertyValue), property));
1158   }
1159
1160   // queue a message to add the property
1161   InstallCustomPropertyMessage(const_cast<EventThreadServices&>(GetEventThreadServices()), scenePropertyOwner, newProperty); // Message takes ownership
1162
1163   return index;
1164 }
1165
1166 void Object::RegisterAnimatableProperty(const TypeInfo&        typeInfo,
1167                                         Property::Index        index,
1168                                         const Property::Value* value) const
1169 {
1170   // If the property is not a component of a base property, register the whole property itself.
1171   auto            propertyName = ConstString(typeInfo.GetPropertyName(index));
1172   Property::Value initialValue;
1173   if(value)
1174   {
1175     initialValue = *value;
1176   }
1177   else
1178   {
1179     initialValue = typeInfo.GetPropertyDefaultValue(index); // recurses type hierarchy
1180     if(Property::NONE == initialValue.GetType())
1181     {
1182       initialValue = Property::Value(typeInfo.GetPropertyType(index)); // recurses type hierarchy
1183     }
1184   }
1185   RegisterSceneGraphProperty(propertyName, Property::INVALID_KEY, index, initialValue);
1186   AddUniformMapping(index, propertyName);
1187 }
1188
1189 AnimatablePropertyMetadata* Object::GetSceneAnimatableProperty(Property::Index index, const Property::Value* value) const
1190 {
1191   // property range already checked by calling methods
1192   // check whether the animatable property is registered already, if not then register one.
1193   AnimatablePropertyMetadata* animatableProperty = FindAnimatableProperty(index);
1194   if(!animatableProperty)
1195   {
1196     const TypeInfo* typeInfo(GetTypeInfo());
1197     if(typeInfo)
1198     {
1199       Property::Index basePropertyIndex = typeInfo->GetBasePropertyIndex(index);
1200       if(basePropertyIndex == Property::INVALID_INDEX)
1201       {
1202         // If the property is not a component of a base property, register the whole property itself.
1203         RegisterAnimatableProperty(*typeInfo, index, value);
1204       }
1205       else
1206       {
1207         // Since the property is a component of a base property, check whether the base property is registered.
1208         animatableProperty = FindAnimatableProperty(basePropertyIndex);
1209         if(!animatableProperty)
1210         {
1211           // If the base property is not registered yet, register the base property first.
1212           RegisterAnimatableProperty(*typeInfo, basePropertyIndex, value);
1213           animatableProperty = static_cast<AnimatablePropertyMetadata*>(mAnimatableProperties[mAnimatableProperties.Size() - 1]);
1214         }
1215
1216         // Create the metadata for the property component.
1217         mAnimatableProperties.PushBack(new AnimatablePropertyMetadata(index, typeInfo->GetComponentIndex(index), animatableProperty->value, animatableProperty->GetSceneGraphProperty()));
1218       }
1219
1220       // The metadata has just been added and therefore should be in the end of the vector.
1221       animatableProperty = static_cast<AnimatablePropertyMetadata*>(mAnimatableProperties[mAnimatableProperties.Size() - 1]);
1222     }
1223   }
1224
1225   return animatableProperty;
1226 }
1227
1228 void Object::ResolveChildProperties()
1229 {
1230   // Resolve index for the child property
1231   Object* parent = GetParentObject();
1232   if(parent)
1233   {
1234     const TypeInfo* parentTypeInfo(parent->GetTypeInfo());
1235     if(parentTypeInfo)
1236     {
1237       // Go through each custom property
1238       for(auto&& entry : mCustomProperties)
1239       {
1240         CustomPropertyMetadata* customProperty = static_cast<CustomPropertyMetadata*>(entry);
1241
1242         if(customProperty->name.IsEmpty())
1243         {
1244           if(customProperty->childPropertyIndex != Property::INVALID_INDEX)
1245           {
1246             // Resolve name for any child property with no name
1247             customProperty->name = ConstString(parentTypeInfo->GetChildPropertyName(customProperty->childPropertyIndex));
1248           }
1249         }
1250         else
1251         {
1252           Property::Index childPropertyIndex = parentTypeInfo->GetChildPropertyIndex(customProperty->name);
1253           if(childPropertyIndex != Property::INVALID_INDEX)
1254           {
1255             // Resolve index for any property with a name that matches the parent's child property name
1256             customProperty->childPropertyIndex = childPropertyIndex;
1257           }
1258         }
1259       }
1260     }
1261   }
1262 }
1263
1264 void Object::SetDefaultProperty(Property::Index index, const Property::Value& property)
1265 {
1266   // do nothing
1267 }
1268
1269 Property::Value Object::GetDefaultProperty(Property::Index index) const
1270 {
1271   return Property::Value();
1272 }
1273
1274 Property::Value Object::GetDefaultPropertyCurrentValue(Property::Index index) const
1275 {
1276   return GetDefaultProperty(index);
1277 }
1278
1279 void Object::EnablePropertyNotifications()
1280 {
1281   if(mPropertyNotifications)
1282   {
1283     for(auto&& element : *mPropertyNotifications)
1284     {
1285       GetImplementation(element).Enable();
1286     }
1287   }
1288 }
1289
1290 void Object::DisablePropertyNotifications()
1291 {
1292   if(mPropertyNotifications)
1293   {
1294     for(auto&& element : *mPropertyNotifications)
1295     {
1296       GetImplementation(element).Disable();
1297     }
1298   }
1299 }
1300
1301 Property::Value Object::GetCurrentPropertyValue(const PropertyMetadata& entry) const
1302 {
1303   Property::Value value;
1304
1305   if(!entry.IsAnimatable())
1306   {
1307     value = entry.GetPropertyValue();
1308   }
1309   else
1310   {
1311     BufferIndex bufferIndex(GetEventThreadServices().GetEventBufferIndex());
1312
1313     switch(entry.GetType())
1314     {
1315       case Property::BOOLEAN:
1316       {
1317         const AnimatableProperty<bool>* property = static_cast<const AnimatableProperty<bool>*>(entry.GetSceneGraphProperty());
1318         DALI_ASSERT_DEBUG(property);
1319
1320         value = (*property)[bufferIndex];
1321         break;
1322       }
1323
1324       case Property::INTEGER:
1325       {
1326         const AnimatableProperty<int32_t>* property = static_cast<const AnimatableProperty<int32_t>*>(entry.GetSceneGraphProperty());
1327         DALI_ASSERT_DEBUG(property);
1328
1329         value = (*property)[bufferIndex];
1330         break;
1331       }
1332
1333       case Property::FLOAT:
1334       {
1335         const AnimatableProperty<float>* property = static_cast<const AnimatableProperty<float>*>(entry.GetSceneGraphProperty());
1336         DALI_ASSERT_DEBUG(property);
1337
1338         value = (*property)[bufferIndex];
1339         break;
1340       }
1341
1342       case Property::VECTOR2:
1343       {
1344         const AnimatableProperty<Vector2>* property = static_cast<const AnimatableProperty<Vector2>*>(entry.GetSceneGraphProperty());
1345         DALI_ASSERT_DEBUG(property);
1346
1347         if(entry.componentIndex == 0)
1348         {
1349           value = (*property)[bufferIndex].x;
1350         }
1351         else if(entry.componentIndex == 1)
1352         {
1353           value = (*property)[bufferIndex].y;
1354         }
1355         else
1356         {
1357           value = (*property)[bufferIndex];
1358         }
1359         break;
1360       }
1361
1362       case Property::VECTOR3:
1363       {
1364         const AnimatableProperty<Vector3>* property = static_cast<const AnimatableProperty<Vector3>*>(entry.GetSceneGraphProperty());
1365         DALI_ASSERT_DEBUG(property);
1366
1367         if(entry.componentIndex == 0)
1368         {
1369           value = (*property)[bufferIndex].x;
1370         }
1371         else if(entry.componentIndex == 1)
1372         {
1373           value = (*property)[bufferIndex].y;
1374         }
1375         else if(entry.componentIndex == 2)
1376         {
1377           value = (*property)[bufferIndex].z;
1378         }
1379         else
1380         {
1381           value = (*property)[bufferIndex];
1382         }
1383         break;
1384       }
1385
1386       case Property::VECTOR4:
1387       {
1388         const AnimatableProperty<Vector4>* property = static_cast<const AnimatableProperty<Vector4>*>(entry.GetSceneGraphProperty());
1389         DALI_ASSERT_DEBUG(property);
1390
1391         if(entry.componentIndex == 0)
1392         {
1393           value = (*property)[bufferIndex].x;
1394         }
1395         else if(entry.componentIndex == 1)
1396         {
1397           value = (*property)[bufferIndex].y;
1398         }
1399         else if(entry.componentIndex == 2)
1400         {
1401           value = (*property)[bufferIndex].z;
1402         }
1403         else if(entry.componentIndex == 3)
1404         {
1405           value = (*property)[bufferIndex].w;
1406         }
1407         else
1408         {
1409           value = (*property)[bufferIndex];
1410         }
1411         break;
1412       }
1413
1414       case Property::MATRIX:
1415       {
1416         const AnimatableProperty<Matrix>* property = static_cast<const AnimatableProperty<Matrix>*>(entry.GetSceneGraphProperty());
1417         DALI_ASSERT_DEBUG(property);
1418
1419         value = (*property)[bufferIndex];
1420         break;
1421       }
1422
1423       case Property::MATRIX3:
1424       {
1425         const AnimatableProperty<Matrix3>* property = static_cast<const AnimatableProperty<Matrix3>*>(entry.GetSceneGraphProperty());
1426         DALI_ASSERT_DEBUG(property);
1427
1428         value = (*property)[bufferIndex];
1429         break;
1430       }
1431
1432       case Property::ROTATION:
1433       {
1434         const AnimatableProperty<Quaternion>* property = static_cast<const AnimatableProperty<Quaternion>*>(entry.GetSceneGraphProperty());
1435         DALI_ASSERT_DEBUG(property);
1436
1437         value = (*property)[bufferIndex];
1438         break;
1439       }
1440
1441       default:
1442       {
1443         // unreachable code due to higher level logic
1444       }
1445     } // switch(type)
1446   }   // if animatable
1447
1448   return value;
1449 }
1450
1451 void Object::SetSceneGraphProperty(Property::Index index, const PropertyMetadata& entry, const Property::Value& value)
1452 {
1453   switch(entry.GetType())
1454   {
1455     case Property::BOOLEAN:
1456     {
1457       const AnimatableProperty<bool>* property = dynamic_cast<const AnimatableProperty<bool>*>(entry.GetSceneGraphProperty());
1458       DALI_ASSERT_DEBUG(property);
1459
1460       // property is being used in a separate thread; queue a message to set the property
1461       BakeMessage<bool>(GetEventThreadServices(), *property, value.Get<bool>());
1462       break;
1463     }
1464
1465     case Property::INTEGER:
1466     {
1467       const AnimatableProperty<int32_t>* property = dynamic_cast<const AnimatableProperty<int32_t>*>(entry.GetSceneGraphProperty());
1468       DALI_ASSERT_DEBUG(property);
1469
1470       // property is being used in a separate thread; queue a message to set the property
1471       BakeMessage<int32_t>(GetEventThreadServices(), *property, value.Get<int32_t>());
1472       break;
1473     }
1474
1475     case Property::FLOAT:
1476     {
1477       const AnimatableProperty<float>* property = dynamic_cast<const AnimatableProperty<float>*>(entry.GetSceneGraphProperty());
1478       DALI_ASSERT_DEBUG(property);
1479
1480       // property is being used in a separate thread; queue a message to set the property
1481       BakeMessage<float>(GetEventThreadServices(), *property, value.Get<float>());
1482       break;
1483     }
1484
1485     case Property::VECTOR2:
1486     {
1487       const AnimatableProperty<Vector2>* property = dynamic_cast<const AnimatableProperty<Vector2>*>(entry.GetSceneGraphProperty());
1488       DALI_ASSERT_DEBUG(property);
1489
1490       // property is being used in a separate thread; queue a message to set the property
1491       if(entry.componentIndex == 0)
1492       {
1493         SetXComponentMessage<Vector2>(GetEventThreadServices(), *property, value.Get<float>());
1494       }
1495       else if(entry.componentIndex == 1)
1496       {
1497         SetYComponentMessage<Vector2>(GetEventThreadServices(), *property, value.Get<float>());
1498       }
1499       else
1500       {
1501         BakeMessage<Vector2>(GetEventThreadServices(), *property, value.Get<Vector2>());
1502       }
1503       break;
1504     }
1505
1506     case Property::VECTOR3:
1507     {
1508       const AnimatableProperty<Vector3>* property = dynamic_cast<const AnimatableProperty<Vector3>*>(entry.GetSceneGraphProperty());
1509       DALI_ASSERT_DEBUG(property);
1510
1511       // property is being used in a separate thread; queue a message to set the property
1512       if(entry.componentIndex == 0)
1513       {
1514         SetXComponentMessage<Vector3>(GetEventThreadServices(), *property, value.Get<float>());
1515       }
1516       else if(entry.componentIndex == 1)
1517       {
1518         SetYComponentMessage<Vector3>(GetEventThreadServices(), *property, value.Get<float>());
1519       }
1520       else if(entry.componentIndex == 2)
1521       {
1522         SetZComponentMessage<Vector3>(GetEventThreadServices(), *property, value.Get<float>());
1523       }
1524       else
1525       {
1526         BakeMessage<Vector3>(GetEventThreadServices(), *property, value.Get<Vector3>());
1527       }
1528
1529       break;
1530     }
1531
1532     case Property::VECTOR4:
1533     {
1534       const AnimatableProperty<Vector4>* property = dynamic_cast<const AnimatableProperty<Vector4>*>(entry.GetSceneGraphProperty());
1535       DALI_ASSERT_DEBUG(property);
1536
1537       // property is being used in a separate thread; queue a message to set the property
1538       if(entry.componentIndex == 0)
1539       {
1540         SetXComponentMessage<Vector4>(GetEventThreadServices(), *property, value.Get<float>());
1541       }
1542       else if(entry.componentIndex == 1)
1543       {
1544         SetYComponentMessage<Vector4>(GetEventThreadServices(), *property, value.Get<float>());
1545       }
1546       else if(entry.componentIndex == 2)
1547       {
1548         SetZComponentMessage<Vector4>(GetEventThreadServices(), *property, value.Get<float>());
1549       }
1550       else if(entry.componentIndex == 3)
1551       {
1552         SetWComponentMessage<Vector4>(GetEventThreadServices(), *property, value.Get<float>());
1553       }
1554       else
1555       {
1556         BakeMessage<Vector4>(GetEventThreadServices(), *property, value.Get<Vector4>());
1557       }
1558       break;
1559     }
1560
1561     case Property::ROTATION:
1562     {
1563       const AnimatableProperty<Quaternion>* property = dynamic_cast<const AnimatableProperty<Quaternion>*>(entry.GetSceneGraphProperty());
1564       DALI_ASSERT_DEBUG(property);
1565
1566       // property is being used in a separate thread; queue a message to set the property
1567       BakeMessage<Quaternion>(GetEventThreadServices(), *property, value.Get<Quaternion>());
1568       break;
1569     }
1570
1571     case Property::MATRIX:
1572     {
1573       const AnimatableProperty<Matrix>* property = dynamic_cast<const AnimatableProperty<Matrix>*>(entry.GetSceneGraphProperty());
1574       DALI_ASSERT_DEBUG(property);
1575
1576       // property is being used in a separate thread; queue a message to set the property
1577       BakeMessage<Matrix>(GetEventThreadServices(), *property, value.Get<Matrix>());
1578       break;
1579     }
1580
1581     case Property::MATRIX3:
1582     {
1583       const AnimatableProperty<Matrix3>* property = dynamic_cast<const AnimatableProperty<Matrix3>*>(entry.GetSceneGraphProperty());
1584       DALI_ASSERT_DEBUG(property);
1585
1586       // property is being used in a separate thread; queue a message to set the property
1587       BakeMessage<Matrix3>(GetEventThreadServices(), *property, value.Get<Matrix3>());
1588       break;
1589     }
1590
1591     default:
1592     {
1593       // non-animatable scene graph property, do nothing
1594     }
1595   }
1596 }
1597
1598 } // namespace Internal
1599
1600 } // namespace Dali