dali-toolkit/internal/transition/transition-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-toolkit/internal/transition/transition-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali-toolkit/public-api/controls/control-impl.h>
  23 #include <dali/devel-api/actors/actor-devel.h>
  24 #include <dali/integration-api/debug.h>
  25 #include <dali/public-api/common/dali-common.h>
  26 #include <dali/public-api/object/type-registry.h>
  27
  28 // INTERNAL INCLUDES
  29 #include <dali-toolkit/devel-api/controls/control-devel.h>
  30
  31 namespace Dali
  32 {
  33 namespace Toolkit
  34 {
  35 namespace Internal
  36 {
  37 namespace
  38 {
  39 const Dali::AlphaFunction DEFAULT_ALPHA_FUNCTION(Dali::AlphaFunction::DEFAULT);
  40
  41 } // anonymous namespace
  42
  43 TransitionPtr Transition::New(Dali::Toolkit::Control source, Dali::Toolkit::Control destination, TimePeriod timePeriod)
  44 {
  45   float delaySeconds = timePeriod.delaySeconds;
  46   if(delaySeconds < 0.0f)
  47   {
  48     DALI_LOG_WARNING("delay should be greater than 0.0f.\n");
  49     delaySeconds = 0.0f;
  50   }
  51
  52   float durationSeconds = timePeriod.durationSeconds;
  53   if(durationSeconds < 0.0f)
  54   {
  55     DALI_LOG_WARNING("duration should be greater than 0.0f.\n");
  56     durationSeconds = 0.0f;
  57   }
  58
  59   TransitionPtr transition = new Transition(source, destination, TimePeriod(delaySeconds, durationSeconds));
  60
  61   // Second-phase construction
  62   transition->Initialize();
  63
  64   return transition;
  65 }
  66
  67 Transition::Transition(Dali::Toolkit::Control source, Dali::Toolkit::Control destination, TimePeriod timePeriod)
  68 : TransitionBase(),
  69   mSourceControl(source),
  70   mDestinationControl(destination)
  71 {
  72   SetTarget(destination);
  73   SetTimePeriod(timePeriod);
  74 }
  75
  76 Transition::~Transition()
  77 {
  78 }
  79
  80 void Transition::OnPlay()
  81 {
  82   Dali::Toolkit::Control sourceControl = mSourceControl.GetHandle();
  83   Dali::Toolkit::Control destinationControl = mDestinationControl.GetHandle();
  84   if(!sourceControl || !sourceControl[Dali::Actor::Property::CONNECTED_TO_SCENE] ||
  85      !destinationControl || !destinationControl[Dali::Actor::Property::CONNECTED_TO_SCENE])
  86   {
  87     DALI_LOG_ERROR("The source or destination is not added on the window\n");
  88     return;
  89   }
  90
  91   //Make startPropertyMap and finishPropertyMap to use for property animation.
  92   Matrix     sourceWorldTransform = sourceControl[Dali::Actor::Property::WORLD_MATRIX];
  93   Vector3    sourcePosition, sourceScale;
  94   Quaternion sourceOrientation;
  95   sourceWorldTransform.GetTransformComponents(sourcePosition, sourceOrientation, sourceScale);
  96
  97   Matrix     destinationWorldTransform = GetWorldTransform(destinationControl);
  98   Vector3    destinationPosition, destinationScale;
  99   Quaternion destinationOrientation;
 100   destinationWorldTransform.GetTransformComponents(destinationPosition, destinationOrientation, destinationScale);
 101
 102   Vector3       targetSize  = destinationControl[Dali::Actor::Property::SIZE];
 103   Vector4       targetColor = GetWorldColor(destinationControl);
 104   Property::Map startPropertyMap;
 105   Property::Map finishPropertyMap;
 106
 107   // Use world transform if this transition requires animation of transform.
 108   destinationControl[Dali::Actor::Property::ANCHOR_POINT]               = AnchorPoint::CENTER;
 109   destinationControl[Dali::Actor::Property::PARENT_ORIGIN]              = ParentOrigin::CENTER;
 110   destinationControl[Dali::Actor::Property::POSITION_USES_ANCHOR_POINT] = true;
 111   destinationControl[Dali::Actor::Property::INHERIT_POSITION]           = false;
 112   destinationControl[Dali::Actor::Property::INHERIT_ORIENTATION]        = false;
 113   destinationControl[Dali::Actor::Property::INHERIT_SCALE]              = false;
 114   destinationControl[Dali::Actor::Property::COLOR_MODE]                 = Dali::ColorMode::USE_OWN_COLOR;
 115
 116   // Set animation of Transform
 117   startPropertyMap.Insert(Dali::Actor::Property::POSITION, sourcePosition);
 118   finishPropertyMap.Insert(Dali::Actor::Property::POSITION, destinationPosition);
 119
 120   startPropertyMap.Insert(Dali::Actor::Property::ORIENTATION, sourceOrientation);
 121   finishPropertyMap.Insert(Dali::Actor::Property::ORIENTATION, destinationOrientation);
 122
 123   startPropertyMap.Insert(Dali::Actor::Property::SCALE, sourceScale);
 124   finishPropertyMap.Insert(Dali::Actor::Property::SCALE, destinationScale);
 125
 126   Vector4 sourceColor = sourceControl.GetCurrentProperty<Vector4>(Dali::Actor::Property::WORLD_COLOR);
 127   startPropertyMap.Insert(Dali::Actor::Property::COLOR, sourceColor);
 128   finishPropertyMap.Insert(Dali::Actor::Property::COLOR, targetColor);
 129
 130   // Set animation for other properties if source and destination is different.
 131   Vector3 sourceSize = sourceControl.GetCurrentProperty<Vector3>(Dali::Actor::Property::SIZE);
 132   if(sourceSize != targetSize)
 133   {
 134     startPropertyMap.Insert(Dali::Actor::Property::SIZE, sourceSize);
 135     finishPropertyMap.Insert(Dali::Actor::Property::SIZE, targetSize);
 136   }
 137
 138   SetStartPropertyMap(startPropertyMap);
 139   SetFinishPropertyMap(finishPropertyMap);
 140
 141   // source View becomes transparent during transition.
 142   if(IsTransitionWithChild())
 143   {
 144     sourceControl[Dali::Actor::Property::VISIBLE] = false;
 145   }
 146   else
 147   {
 148     GetImplementation(sourceControl).SetTransparent(true);
 149   }
 150
 151   Dali::Animation animation = GetAnimation();
 152   if(!animation)
 153   {
 154     DALI_LOG_ERROR("animation is still not initialized\n");
 155     return;
 156   }
 157   Dali::Toolkit::DevelControl::CreateTransitions(destinationControl, animation, sourceControl, GetAlphaFunction(), GetTimePeriod());
 158 }
 159
 160 void Transition::OnFinished()
 161 {
 162   Dali::Toolkit::Control sourceControl = mSourceControl.GetHandle();
 163   if(!sourceControl)
 164   {
 165     return;
 166   }
 167
 168   if(IsTransitionWithChild())
 169   {
 170     sourceControl[Dali::Actor::Property::VISIBLE] = true;
 171   }
 172   else
 173   {
 174     GetImplementation(sourceControl).SetTransparent(false);
 175   }
 176 }
 177
 178 } // namespace Internal
 179
 180 } // namespace Toolkit
 181
 182 } // namespace Dali