dali/internal/event/events/gesture-event-processor.cpp

   1 /*
   2  * Copyright (c) 2019 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/events/gesture-event-processor.h>
  20
  21 #if defined(DEBUG_ENABLED)
  22 #include <sstream>
  23 #endif
  24
  25 // INTERNAL INCLUDES
  26 #include <dali/integration-api/render-controller.h>
  27 #include <dali/internal/event/common/stage-impl.h>
  28 #include <dali/internal/event/events/pinch-gesture/pinch-gesture-detector-impl.h>
  29 #include <dali/internal/update/gestures/scene-graph-pan-gesture.h>
  30 #include <dali/public-api/events/pan-gesture.h>
  31 #include <dali/integration-api/debug.h>
  32
  33
  34 namespace Dali
  35 {
  36
  37 namespace Internal
  38 {
  39 GestureEventProcessor::GestureEventProcessor( SceneGraph::UpdateManager& updateManager, Integration::RenderController& renderController )
  40 : mLongPressGestureProcessor(),
  41   mPanGestureProcessor( updateManager ),
  42   mPinchGestureProcessor(),
  43   mTapGestureProcessor(),
  44   mRotationGestureProcessor(),
  45   mRenderController( renderController ),
  46   envOptionMinimumPanDistance(-1),
  47   envOptionMinimumPanEvents(-1)
  48 {
  49 }
  50
  51 GestureEventProcessor::~GestureEventProcessor()
  52 {
  53 }
  54
  55 void GestureEventProcessor::ProcessTouchEvent( Scene& scene, const Integration::TouchEvent& event)
  56 {
  57   mLongPressGestureProcessor.ProcessTouch(scene, event);
  58   mPanGestureProcessor.ProcessTouch(scene, event);
  59   mPinchGestureProcessor.ProcessTouch(scene, event);
  60   mTapGestureProcessor.ProcessTouch(scene, event);
  61   mRotationGestureProcessor.ProcessTouch(scene, event);
  62 }
  63
  64 void GestureEventProcessor::AddGestureDetector(GestureDetector* gestureDetector, Scene& scene)
  65 {
  66   switch (gestureDetector->GetType())
  67   {
  68     case DevelGesture::LongPress:
  69     {
  70       LongPressGestureDetector* longPress = static_cast<LongPressGestureDetector*>(gestureDetector);
  71       mLongPressGestureProcessor.AddGestureDetector(longPress, scene);
  72       break;
  73     }
  74
  75     case DevelGesture::Pan:
  76     {
  77       PanGestureDetector* pan = static_cast<PanGestureDetector*>(gestureDetector);
  78       mPanGestureProcessor.AddGestureDetector(pan, scene, envOptionMinimumPanDistance, envOptionMinimumPanEvents);
  79       break;
  80     }
  81
  82     case DevelGesture::Pinch:
  83     {
  84       PinchGestureDetector* pinch = static_cast<PinchGestureDetector*>(gestureDetector);
  85       mPinchGestureProcessor.AddGestureDetector(pinch, scene);
  86       break;
  87     }
  88
  89     case DevelGesture::Tap:
  90     {
  91       TapGestureDetector* tap = static_cast<TapGestureDetector*>(gestureDetector);
  92       mTapGestureProcessor.AddGestureDetector(tap, scene);
  93       break;
  94     }
  95
  96     case DevelGesture::Rotation:
  97     {
  98       RotationGestureDetector* rotation = static_cast<RotationGestureDetector*>(gestureDetector);
  99       mRotationGestureProcessor.AddGestureDetector(rotation, scene);
 100       break;
 101     }
 102   }
 103 }
 104
 105 void GestureEventProcessor::RemoveGestureDetector(GestureDetector* gestureDetector)
 106 {
 107   switch (gestureDetector->GetType())
 108   {
 109     case DevelGesture::LongPress:
 110     {
 111       LongPressGestureDetector* longPress = static_cast<LongPressGestureDetector*>(gestureDetector);
 112       mLongPressGestureProcessor.RemoveGestureDetector(longPress);
 113       break;
 114     }
 115
 116     case DevelGesture::Pan:
 117     {
 118       PanGestureDetector* pan = static_cast<PanGestureDetector*>(gestureDetector);
 119       mPanGestureProcessor.RemoveGestureDetector(pan);
 120       break;
 121     }
 122
 123     case DevelGesture::Pinch:
 124     {
 125       PinchGestureDetector* pinch = static_cast<PinchGestureDetector*>(gestureDetector);
 126       mPinchGestureProcessor.RemoveGestureDetector(pinch);
 127       break;
 128     }
 129
 130     case DevelGesture::Tap:
 131     {
 132       TapGestureDetector* tap = static_cast<TapGestureDetector*>(gestureDetector);
 133       mTapGestureProcessor.RemoveGestureDetector(tap);
 134       break;
 135     }
 136
 137     case DevelGesture::Rotation:
 138     {
 139       RotationGestureDetector* rotation = static_cast<RotationGestureDetector*>(gestureDetector);
 140       mRotationGestureProcessor.RemoveGestureDetector(rotation);
 141       break;
 142     }
 143   }
 144 }
 145
 146 void GestureEventProcessor::GestureDetectorUpdated(GestureDetector* gestureDetector)
 147 {
 148   switch (gestureDetector->GetType())
 149   {
 150     case DevelGesture::LongPress:
 151     {
 152       LongPressGestureDetector* longPress = static_cast<LongPressGestureDetector*>(gestureDetector);
 153       mLongPressGestureProcessor.GestureDetectorUpdated(longPress);
 154       break;
 155     }
 156
 157     case DevelGesture::Pan:
 158     {
 159       PanGestureDetector* pan = static_cast<PanGestureDetector*>(gestureDetector);
 160       mPanGestureProcessor.GestureDetectorUpdated(pan);
 161       break;
 162     }
 163
 164     case DevelGesture::Pinch:
 165     {
 166       PinchGestureDetector* pinch = static_cast<PinchGestureDetector*>(gestureDetector);
 167       mPinchGestureProcessor.GestureDetectorUpdated(pinch);
 168       break;
 169     }
 170
 171     case DevelGesture::Tap:
 172     {
 173       TapGestureDetector* tap = static_cast<TapGestureDetector*>(gestureDetector);
 174       mTapGestureProcessor.GestureDetectorUpdated(tap);
 175       break;
 176     }
 177
 178     case DevelGesture::Rotation:
 179     {
 180       // Nothing to do
 181       break;
 182     }
 183   }
 184 }
 185
 186 void GestureEventProcessor::SetGestureProperties( const Gesture& gesture )
 187 {
 188   bool requestUpdate = false;
 189
 190   switch ( static_cast< DevelGesture::Type >( gesture.type ) )
 191   {
 192     case DevelGesture::Pan:
 193     {
 194       const PanGesture& pan = static_cast< const PanGesture& >( gesture );
 195       requestUpdate = mPanGestureProcessor.SetPanGestureProperties( pan );
 196       break;
 197     }
 198
 199     case DevelGesture::LongPress:
 200     case DevelGesture::Pinch:
 201     case DevelGesture::Tap:
 202     case DevelGesture::Rotation:
 203     {
 204       DALI_ASSERT_DEBUG( false && "Gesture type does not have scene object\n" );
 205       break;
 206     }
 207   }
 208
 209   if( requestUpdate )
 210   {
 211     // We may not be updating so we need to ask the render controller for an update.
 212     mRenderController.RequestUpdate( false );
 213   }
 214 }
 215
 216 bool GestureEventProcessor::NeedsUpdate()
 217 {
 218   bool updateRequired = false;
 219
 220   updateRequired |= mLongPressGestureProcessor.NeedsUpdate();
 221   updateRequired |= mPanGestureProcessor.NeedsUpdate();
 222   updateRequired |= mPinchGestureProcessor.NeedsUpdate();
 223   updateRequired |= mTapGestureProcessor.NeedsUpdate();
 224   updateRequired |= mRotationGestureProcessor.NeedsUpdate();
 225
 226   return updateRequired;
 227 }
 228
 229 void GestureEventProcessor::EnablePanGestureProfiling()
 230 {
 231   mPanGestureProcessor.EnableProfiling();
 232 }
 233
 234 void GestureEventProcessor::SetPanGesturePredictionMode(int mode)
 235 {
 236   mPanGestureProcessor.SetPredictionMode(mode);
 237 }
 238
 239 void GestureEventProcessor::SetPanGesturePredictionAmount( uint32_t amount )
 240 {
 241   mPanGestureProcessor.SetPredictionAmount(amount);
 242 }
 243
 244 void GestureEventProcessor::SetPanGestureMaximumPredictionAmount( uint32_t amount )
 245 {
 246   mPanGestureProcessor.SetMaximumPredictionAmount(amount);
 247 }
 248
 249 void GestureEventProcessor::SetPanGestureMinimumPredictionAmount( uint32_t amount )
 250 {
 251   mPanGestureProcessor.SetMinimumPredictionAmount(amount);
 252 }
 253
 254 void GestureEventProcessor::SetPanGesturePredictionAmountAdjustment( uint32_t amount )
 255 {
 256   mPanGestureProcessor.SetPredictionAmountAdjustment(amount);
 257 }
 258
 259 void GestureEventProcessor::SetPanGestureSmoothingMode( int32_t mode )
 260 {
 261   mPanGestureProcessor.SetSmoothingMode(mode);
 262 }
 263
 264 void GestureEventProcessor::SetPanGestureSmoothingAmount( float amount )
 265 {
 266   mPanGestureProcessor.SetSmoothingAmount(amount);
 267 }
 268
 269 void GestureEventProcessor::SetPanGestureUseActualTimes( bool value )
 270 {
 271   mPanGestureProcessor.SetUseActualTimes( value );
 272 }
 273
 274 void GestureEventProcessor::SetPanGestureInterpolationTimeRange( int32_t value )
 275 {
 276   mPanGestureProcessor.SetInterpolationTimeRange( value );
 277 }
 278
 279 void GestureEventProcessor::SetPanGestureScalarOnlyPredictionEnabled( bool value )
 280 {
 281   mPanGestureProcessor.SetScalarOnlyPredictionEnabled( value );
 282 }
 283
 284 void GestureEventProcessor::SetPanGestureTwoPointPredictionEnabled( bool value )
 285 {
 286   mPanGestureProcessor.SetTwoPointPredictionEnabled( value );
 287 }
 288
 289 void GestureEventProcessor::SetPanGestureTwoPointInterpolatePastTime( int value )
 290 {
 291   mPanGestureProcessor.SetTwoPointInterpolatePastTime( value );
 292 }
 293
 294 void GestureEventProcessor::SetPanGestureTwoPointVelocityBias( float value )
 295 {
 296   mPanGestureProcessor.SetTwoPointVelocityBias( value );
 297 }
 298
 299 void GestureEventProcessor::SetPanGestureTwoPointAccelerationBias( float value )
 300 {
 301   mPanGestureProcessor.SetTwoPointAccelerationBias( value );
 302 }
 303
 304 void GestureEventProcessor::SetPanGestureMultitapSmoothingRange( int32_t value )
 305 {
 306   mPanGestureProcessor.SetMultitapSmoothingRange( value );
 307 }
 308
 309 void GestureEventProcessor::SetPanGestureMinimumDistance( int32_t value )
 310 {
 311   envOptionMinimumPanDistance =  value;
 312 }
 313
 314 void GestureEventProcessor::SetPanGestureMinimumPanEvents( int32_t value )
 315 {
 316   envOptionMinimumPanEvents = value;
 317 }
 318
 319 void GestureEventProcessor::SetPinchGestureMinimumDistance( float value)
 320 {
 321   mPinchGestureProcessor.SetMinimumPinchDistance( value );
 322 }
 323
 324 void GestureEventProcessor::SetLongPressMinimumHoldingTime( uint32_t value )
 325 {
 326   mLongPressGestureProcessor.SetMinimumHoldingTime( value );
 327 }
 328
 329 uint32_t GestureEventProcessor::GetLongPressMinimumHoldingTime() const
 330 {
 331   return mLongPressGestureProcessor.GetMinimumHoldingTime();
 332 }
 333
 334 const PanGestureProcessor& GestureEventProcessor::GetPanGestureProcessor()
 335 {
 336   return mPanGestureProcessor;
 337 }
 338
 339 } // namespace Internal
 340
 341 } // namespace Dali