2 * Copyright (c) 2019 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali/internal/event/actors/layer-impl.h>
24 #include <dali/public-api/actors/layer.h>
25 #include <dali/public-api/common/dali-common.h>
26 #include <dali/public-api/object/type-registry.h>
27 #include <dali/internal/event/actors/layer-list.h>
28 #include <dali/internal/event/common/property-helper.h>
29 #include <dali/internal/event/common/scene-impl.h>
30 #include <dali/internal/event/common/event-thread-services.h>
32 using Dali::Internal::SceneGraph::UpdateManager;
40 typedef Layer::Behavior Behavior;
42 DALI_ENUM_TO_STRING_TABLE_BEGIN( BEHAVIOR )
43 DALI_ENUM_TO_STRING_WITH_SCOPE( Layer, LAYER_UI )
44 DALI_ENUM_TO_STRING_WITH_SCOPE( Layer, LAYER_3D )
45 DALI_ENUM_TO_STRING_TABLE_END( BEHAVIOR )
57 // Name Type writable animatable constraint-input enum for index-checking
58 DALI_PROPERTY_TABLE_BEGIN
59 DALI_PROPERTY( "clippingEnable", BOOLEAN, true, false, true, Dali::Layer::Property::CLIPPING_ENABLE )
60 DALI_PROPERTY( "clippingBox", RECTANGLE, true, false, true, Dali::Layer::Property::CLIPPING_BOX )
61 DALI_PROPERTY( "behavior", STRING, true, false, false, Dali::Layer::Property::BEHAVIOR )
62 DALI_PROPERTY_TABLE_END( DEFAULT_DERIVED_ACTOR_PROPERTY_START_INDEX, LayerDefaultProperties )
66 const char* const ACTION_RAISE = "raise";
67 const char* const ACTION_LOWER = "lower";
68 const char* const ACTION_RAISE_TO_TOP = "raiseToTop";
69 const char* const ACTION_LOWER_TO_BOTTOM = "lowerToBottom";
73 return Dali::Layer::New();
76 TypeRegistration mType( typeid( Dali::Layer ), typeid( Dali::Actor ), Create, LayerDefaultProperties );
78 TypeAction a1( mType, ACTION_RAISE, &Layer::DoAction );
79 TypeAction a2( mType, ACTION_LOWER, &Layer::DoAction );
80 TypeAction a3( mType, ACTION_RAISE_TO_TOP, &Layer::DoAction );
81 TypeAction a4( mType, ACTION_LOWER_TO_BOTTOM, &Layer::DoAction );
83 } // unnamed namespace
88 // create node, nodes are owned by UpdateManager
89 SceneGraph::Layer* layerNode = SceneGraph::Layer::New();
90 OwnerPointer< SceneGraph::Node > transferOwnership( layerNode );
91 AddNodeMessage( EventThreadServices::Get().GetUpdateManager(), transferOwnership );
92 LayerPtr layer( new Layer( Actor::LAYER, *layerNode ) );
94 // Second-phase construction
100 LayerPtr Layer::NewRoot( LayerList& layerList, UpdateManager& manager )
102 // create node, nodes are owned by UpdateManager
103 SceneGraph::Layer* rootLayer = SceneGraph::Layer::New();
104 OwnerPointer< SceneGraph::Layer > transferOwnership( rootLayer );
105 InstallRootMessage( manager, transferOwnership );
107 LayerPtr root( new Layer( Actor::ROOT_LAYER, *rootLayer ) );
109 // root actor is immediately considered to be on-stage
110 root->mIsOnStage = true;
112 // The root actor will not emit a stage connection signal so set the signalled flag here as well
113 root->mOnStageSignalled = true;
115 // layer-list must be set for the root layer
116 root->mLayerList = &layerList;
117 layerList.SetRootLayer( &(*root) );
118 layerList.RegisterLayer( *root );
123 Layer::Layer( Actor::DerivedType type, const SceneGraph::Layer& layer )
124 : Actor( type, layer ),
126 mClippingBox( 0, 0, 0, 0 ),
127 mSortFunction( Layer::ZValue ),
128 mBehavior( Dali::Layer::LAYER_UI ),
129 mIsClipping( false ),
130 mDepthTestDisabled( true ),
131 mTouchConsumed( false ),
132 mHoverConsumed( false )
136 void Layer::OnInitialize()
144 unsigned int Layer::GetDepth() const
146 return mLayerList ? mLayerList->GetDepth( this ) : 0u;
153 mLayerList->RaiseLayer(*this);
161 mLayerList->LowerLayer(*this);
165 void Layer::RaiseAbove( const Internal::Layer& target )
167 // cannot raise above ourself, both have to be on stage
168 if( ( this != &target ) && OnStage() && target.OnStage() )
170 // get parameters depth
171 const uint32_t targetDepth = target.GetDepth();
172 if( GetDepth() < targetDepth )
179 void Layer::LowerBelow( const Internal::Layer& target )
181 // cannot lower below ourself, both have to be on stage
182 if( ( this != &target ) && OnStage() && target.OnStage() )
184 // get parameters depth
185 const uint32_t targetDepth = target.GetDepth();
186 if( GetDepth() > targetDepth )
193 void Layer::RaiseToTop()
197 mLayerList->RaiseLayerToTop(*this);
201 void Layer::LowerToBottom()
205 mLayerList->LowerLayerToBottom(*this);
209 void Layer::MoveAbove( const Internal::Layer& target )
211 // cannot raise above ourself, both have to be on stage
212 if( ( this != &target ) && mLayerList && target.OnStage() )
214 mLayerList->MoveLayerAbove(*this, target );
218 void Layer::MoveBelow( const Internal::Layer& target )
220 // cannot lower below ourself, both have to be on stage
221 if( ( this != &target ) && mLayerList && target.OnStage() )
223 mLayerList->MoveLayerBelow(*this, target );
227 void Layer::SetBehavior( Dali::Layer::Behavior behavior )
229 mBehavior = behavior;
231 // Notify update side object.
232 SetBehaviorMessage( GetEventThreadServices(), GetSceneLayerOnStage(), behavior );
233 // By default, disable depth test for LAYER_UI, and enable for LAYER_3D.
234 SetDepthTestDisabled( mBehavior == Dali::Layer::LAYER_UI );
237 void Layer::SetClipping(bool enabled)
239 if (enabled != mIsClipping)
241 mIsClipping = enabled;
243 // layerNode is being used in a separate thread; queue a message to set the value
244 SetClippingMessage( GetEventThreadServices(), GetSceneLayerOnStage(), mIsClipping );
248 void Layer::SetClippingBox(int x, int y, int width, int height)
250 if( ( x != mClippingBox.x ) ||
251 ( y != mClippingBox.y ) ||
252 ( width != mClippingBox.width ) ||
253 ( height != mClippingBox.height ) )
255 // Clipping box is not animatable; this is the most up-to-date value
256 mClippingBox.Set(x, y, width, height);
258 // Convert mClippingBox to GL based coordinates (from bottom-left)
259 ClippingBox clippingBox( mClippingBox );
263 clippingBox.y = static_cast<int32_t>( mScene->GetSize().height ) - clippingBox.y - clippingBox.height;
265 // layerNode is being used in a separate thread; queue a message to set the value
266 SetClippingBoxMessage( GetEventThreadServices(), GetSceneLayerOnStage(), clippingBox );
271 void Layer::SetDepthTestDisabled( bool disable )
273 if( disable != mDepthTestDisabled )
275 mDepthTestDisabled = disable;
278 // layerNode is being used in a separate thread; queue a message to set the value
279 SetDepthTestDisabledMessage( GetEventThreadServices(), GetSceneLayerOnStage(), mDepthTestDisabled );
283 bool Layer::IsDepthTestDisabled() const
285 return mDepthTestDisabled;
288 void Layer::SetSortFunction(Dali::Layer::SortFunctionType function)
290 if( function != mSortFunction )
292 mSortFunction = function;
294 // layerNode is being used in a separate thread; queue a message to set the value
295 SetSortFunctionMessage( GetEventThreadServices(), GetSceneLayerOnStage(), mSortFunction );
299 void Layer::SetTouchConsumed( bool consume )
301 mTouchConsumed = consume;
304 bool Layer::IsTouchConsumed() const
306 return mTouchConsumed;
309 void Layer::SetHoverConsumed( bool consume )
311 mHoverConsumed = consume;
314 bool Layer::IsHoverConsumed() const
316 return mHoverConsumed;
319 void Layer::OnStageConnectionInternal()
323 DALI_ASSERT_DEBUG( NULL == mLayerList );
325 // Find the ordered layer-list
326 for ( Actor* parent = mParent; parent != NULL; parent = parent->GetParent() )
328 if( parent->IsLayer() )
330 Layer* parentLayer = static_cast< Layer* >( parent ); // cheaper than dynamic_cast
331 mLayerList = parentLayer->mLayerList;
336 DALI_ASSERT_DEBUG( NULL != mLayerList );
337 mLayerList->RegisterLayer( *this );
340 void Layer::OnStageDisconnectionInternal()
342 mLayerList->UnregisterLayer(*this);
344 // mLayerList is only valid when on-stage
348 const SceneGraph::Layer& Layer::GetSceneLayerOnStage() const
350 return static_cast< const SceneGraph::Layer& >( GetNode() ); // we know our node is a layer node
353 void Layer::SetDefaultProperty( Property::Index index, const Property::Value& propertyValue )
355 if( index < DEFAULT_ACTOR_PROPERTY_MAX_COUNT )
357 Actor::SetDefaultProperty( index, propertyValue );
363 case Dali::Layer::Property::CLIPPING_ENABLE:
365 SetClipping( propertyValue.Get<bool>() );
368 case Dali::Layer::Property::CLIPPING_BOX:
370 Rect<int32_t> clippingBox( propertyValue.Get<Rect<int32_t> >() );
371 SetClippingBox( clippingBox.x, clippingBox.y, clippingBox.width, clippingBox.height );
374 case Dali::Layer::Property::BEHAVIOR:
376 Behavior behavior(Dali::Layer::LAYER_UI);
377 if( Scripting::GetEnumeration< Behavior >( propertyValue.Get< std::string >().c_str(), BEHAVIOR_TABLE, BEHAVIOR_TABLE_COUNT, behavior ) )
379 SetBehavior( behavior );
385 DALI_LOG_WARNING( "Unknown property (%d)\n", index );
393 Property::Value Layer::GetDefaultProperty( Property::Index index ) const
396 if( index < DEFAULT_ACTOR_PROPERTY_MAX_COUNT )
398 ret = Actor::GetDefaultProperty( index );
404 case Dali::Layer::Property::CLIPPING_ENABLE:
409 case Dali::Layer::Property::CLIPPING_BOX:
414 case Dali::Layer::Property::BEHAVIOR:
416 ret = Scripting::GetLinearEnumerationName< Behavior >( GetBehavior(), BEHAVIOR_TABLE, BEHAVIOR_TABLE_COUNT );
421 DALI_LOG_WARNING( "Unknown property (%d)\n", index );
430 Property::Value Layer::GetDefaultPropertyCurrentValue( Property::Index index ) const
433 if( index < DEFAULT_ACTOR_PROPERTY_MAX_COUNT )
435 ret = Actor::GetDefaultPropertyCurrentValue( index );
439 ret = GetDefaultProperty( index ); // Layer only has event-side properties
445 bool Layer::DoAction( BaseObject* object, const std::string& actionName, const Property::Map& /*attributes*/ )
448 Layer* layer = dynamic_cast<Layer*>( object );
452 if( 0 == actionName.compare( ACTION_RAISE ) )
457 else if( 0 == actionName.compare( ACTION_LOWER ) )
462 else if( 0 == actionName.compare( ACTION_RAISE_TO_TOP ) )
467 else if( 0 == actionName.compare( ACTION_LOWER_TO_BOTTOM ) )
469 layer->LowerToBottom();
477 } // namespace Internal