dali-toolkit/internal/accessibility-manager/accessibility-manager-impl.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 "accessibility-manager-impl.h"
  20
  21 // EXTERNAL INCLUDES
  22 #include <cstring> // for strcmp
  23 #include <dali/public-api/actors/layer.h>
  24 #include <dali/devel-api/adaptor-framework/accessibility-adaptor.h>
  25 #include <dali/devel-api/adaptor-framework/sound-player.h>
  26 #include <dali/public-api/animation/constraints.h>
  27 #include <dali/devel-api/events/hit-test-algorithm.h>
  28 #include <dali/public-api/images/resource-image.h>
  29 #include <dali/integration-api/debug.h>
  30
  31 // INTERNAL INCLUDES
  32 #include <dali-toolkit/public-api/controls/control.h>
  33 #include <dali-toolkit/public-api/controls/control-impl.h>
  34 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
  35
  36 namespace Dali
  37 {
  38
  39 namespace Toolkit
  40 {
  41
  42 namespace Internal
  43 {
  44
  45 namespace // unnamed namespace
  46 {
  47
  48 // Signals
  49
  50 const char* const SIGNAL_FOCUS_CHANGED =           "focusChanged";
  51 const char* const SIGNAL_FOCUS_OVERSHOT =          "focusOvershot";
  52 const char* const SIGNAL_FOCUSED_ACTOR_ACTIVATED = "focusedActorActivated";
  53
  54 #if defined(DEBUG_ENABLED)
  55 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_FOCUS_MANAGER");
  56 #endif
  57
  58 const char* const ACTOR_FOCUSABLE("focusable");
  59 const char* const IS_FOCUS_GROUP("isFocusGroup");
  60
  61 const char* FOCUS_BORDER_IMAGE_PATH = DALI_IMAGE_DIR "B16-8_TTS_focus.9.png";
  62
  63 const char* FOCUS_SOUND_FILE = DALI_SOUND_DIR "Focus.ogg";
  64 const char* FOCUS_CHAIN_END_SOUND_FILE = DALI_SOUND_DIR "End_of_List.ogg";
  65
  66 /**
  67  * The function to be used in the hit-test algorithm to check whether the actor is hittable.
  68  */
  69 bool IsActorFocusableFunction(Actor actor, Dali::HitTestAlgorithm::TraverseType type)
  70 {
  71   bool hittable = false;
  72
  73   switch (type)
  74   {
  75     case Dali::HitTestAlgorithm::CHECK_ACTOR:
  76     {
  77       // Check whether the actor is visible and not fully transparent.
  78       if( actor.IsVisible()
  79        && actor.GetCurrentWorldColor().a > 0.01f) // not FULLY_TRANSPARENT
  80       {
  81         // Check whether the actor is focusable
  82         Property::Index propertyActorFocusable = actor.GetPropertyIndex(ACTOR_FOCUSABLE);
  83         if(propertyActorFocusable != Property::INVALID_INDEX)
  84         {
  85           hittable = actor.GetProperty<bool>(propertyActorFocusable);
  86         }
  87       }
  88       break;
  89     }
  90     case Dali::HitTestAlgorithm::DESCEND_ACTOR_TREE:
  91     {
  92       if( actor.IsVisible() ) // Actor is visible, if not visible then none of its children are visible.
  93       {
  94         hittable = true;
  95       }
  96       break;
  97     }
  98     default:
  99     {
 100       break;
 101     }
 102   }
 103
 104   return hittable;
 105 };
 106
 107 }
 108
 109 AccessibilityManager::AccessibilityManager()
 110 : mCurrentFocusActor(FocusIDPair(0, 0)),
 111   mCurrentGesturedActor(),
 112   mFocusIndicatorActor(),
 113   mPreviousPosition( 0.0f, 0.0f ),
 114   mRecursiveFocusMoveCounter(0),
 115   mIsWrapped(false),
 116   mIsFocusWithinGroup(false),
 117   mIsEndcapFeedbackEnabled(false),
 118   mIsEndcapFeedbackPlayed(false),
 119   mIsAccessibilityTtsEnabled(false),
 120   mTtsCreated(false),
 121   mIsFocusIndicatorEnabled(false),
 122   mContinuousPlayMode(false)
 123 {
 124 }
 125
 126 AccessibilityManager::~AccessibilityManager()
 127 {
 128 }
 129
 130 void AccessibilityManager::Initialise()
 131 {
 132   AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 133   adaptor.SetActionHandler(*this);
 134   adaptor.SetGestureHandler(*this);
 135
 136   ChangeAccessibilityStatus();
 137 }
 138
 139 AccessibilityManager::ActorAdditionalInfo AccessibilityManager::GetActorAdditionalInfo(const unsigned int actorID) const
 140 {
 141   ActorAdditionalInfo data;
 142   IDAdditionalInfoConstIter iter = mIDAdditionalInfoContainer.find(actorID);
 143   if(iter != mIDAdditionalInfoContainer.end())
 144   {
 145     data = (*iter).second;
 146   }
 147
 148   return data;
 149 }
 150
 151 void AccessibilityManager::SynchronizeActorAdditionalInfo(const unsigned int actorID, const unsigned int order)
 152 {
 153   ActorAdditionalInfo actorInfo = GetActorAdditionalInfo(actorID);
 154   actorInfo.mFocusOrder = order;
 155   mIDAdditionalInfoContainer.erase(actorID);
 156   mIDAdditionalInfoContainer.insert(IDAdditionalInfoPair(actorID, actorInfo));
 157 }
 158
 159 void AccessibilityManager::SetAccessibilityAttribute(Actor actor, Toolkit::AccessibilityManager::AccessibilityAttribute type, const std::string& text)
 160 {
 161   if(actor)
 162   {
 163     unsigned int actorID = actor.GetId();
 164
 165     ActorAdditionalInfo info = GetActorAdditionalInfo(actorID);
 166     info.mAccessibilityAttributes[type] = text;
 167
 168     mIDAdditionalInfoContainer.erase(actorID);
 169     mIDAdditionalInfoContainer.insert(IDAdditionalInfoPair(actorID, info));
 170   }
 171 }
 172
 173 std::string AccessibilityManager::GetAccessibilityAttribute(Actor actor, Toolkit::AccessibilityManager::AccessibilityAttribute type) const
 174 {
 175   std::string text;
 176
 177   if(actor)
 178   {
 179     ActorAdditionalInfo data = GetActorAdditionalInfo(actor.GetId());
 180     text = data.mAccessibilityAttributes[type];
 181   }
 182
 183   return text;
 184 }
 185
 186 void AccessibilityManager::SetFocusOrder(Actor actor, const unsigned int order)
 187 {
 188   // Do nothing if the focus order of the actor is not changed.
 189   if(actor && GetFocusOrder(actor) != order)
 190   {
 191     // Firstly delete the actor from the focus chain if it's already there with a different focus order.
 192     mFocusIDContainer.erase(GetFocusOrder(actor));
 193
 194     // Create/retrieve actor focusable property
 195     Property::Index propertyActorFocusable = actor.RegisterProperty( ACTOR_FOCUSABLE, true, Property::READ_WRITE );
 196
 197     if(order == 0)
 198     {
 199       // The actor is not focusable without a defined focus order.
 200       actor.SetProperty(propertyActorFocusable, false);
 201
 202       // If the actor is currently being focused, it should clear the focus
 203       if(actor == GetCurrentFocusActor())
 204       {
 205         ClearFocus();
 206       }
 207     }
 208     else // Insert the actor to the focus chain
 209     {
 210       // Check whether there is another actor in the focus chain with the same focus order already.
 211       FocusIDIter focusIDIter = mFocusIDContainer.find(order);
 212       if(focusIDIter != mFocusIDContainer.end())
 213       {
 214         // We need to increase the focus order of that actor and all the actors followed it
 215         // in the focus chain.
 216         FocusIDIter lastIter = mFocusIDContainer.end();
 217         --lastIter;//We want forward iterator to the last element here
 218         mFocusIDContainer.insert(FocusIDPair((*lastIter).first + 1, (*lastIter).second));
 219
 220         // Update the actor's focus order in its additional data
 221         SynchronizeActorAdditionalInfo((*lastIter).second, (*lastIter).first + 1);
 222
 223         for(FocusIDIter iter = lastIter; iter != focusIDIter; iter--)
 224         {
 225           FocusIDIter previousIter = iter;
 226           --previousIter;//We want forward iterator to the previous element here
 227           unsigned int actorID = (*previousIter).second;
 228           (*iter).second = actorID;
 229
 230           // Update the actor's focus order in its additional data
 231           SynchronizeActorAdditionalInfo(actorID, (*iter).first);
 232         }
 233
 234         mFocusIDContainer.erase(order);
 235       }
 236
 237       // The actor is focusable
 238       actor.SetProperty(propertyActorFocusable, true);
 239
 240       // Now we insert the actor into the focus chain with the specified focus order
 241       mFocusIDContainer.insert(FocusIDPair(order, actor.GetId()));
 242     }
 243
 244     // Update the actor's focus order in its additional data
 245     SynchronizeActorAdditionalInfo(actor.GetId(), order);
 246   }
 247 }
 248
 249 unsigned int AccessibilityManager::GetFocusOrder(Actor actor) const
 250 {
 251   unsigned int focusOrder = 0;
 252
 253   if(actor)
 254   {
 255     ActorAdditionalInfo data = GetActorAdditionalInfo(actor.GetId());
 256     focusOrder = data.mFocusOrder;
 257   }
 258
 259   return focusOrder;
 260 }
 261
 262 unsigned int AccessibilityManager::GenerateNewFocusOrder() const
 263 {
 264   unsigned int order = 1;
 265   FocusIDContainer::const_reverse_iterator iter = mFocusIDContainer.rbegin();
 266
 267   if(iter != mFocusIDContainer.rend())
 268   {
 269     order = (*iter).first + 1;
 270   }
 271
 272   return order;
 273 }
 274
 275 Actor AccessibilityManager::GetActorByFocusOrder(const unsigned int order)
 276 {
 277   Actor actor = Actor();
 278
 279   FocusIDIter focusIDIter = mFocusIDContainer.find(order);
 280   if(focusIDIter != mFocusIDContainer.end())
 281   {
 282     Actor rootActor = Stage::GetCurrent().GetRootLayer();
 283     actor = rootActor.FindChildById(mFocusIDContainer[order]);
 284   }
 285
 286   return actor;
 287 }
 288
 289 bool AccessibilityManager::SetCurrentFocusActor(Actor actor)
 290 {
 291   if(actor)
 292   {
 293     return DoSetCurrentFocusActor(actor.GetId());
 294   }
 295
 296   return false;
 297 }
 298
 299 bool AccessibilityManager::DoSetCurrentFocusActor(const unsigned int actorID)
 300 {
 301   Actor rootActor = Stage::GetCurrent().GetRootLayer();
 302
 303   // If the group mode is enabled, check which focus group the current focused actor belongs to
 304   Actor focusGroup;
 305   if(mIsFocusWithinGroup)
 306   {
 307     focusGroup = GetFocusGroup(GetCurrentFocusActor());
 308   }
 309
 310   if(!focusGroup)
 311   {
 312     focusGroup = rootActor;
 313   }
 314
 315   Actor actor = focusGroup.FindChildById(actorID);
 316
 317   // Check whether the actor is in the stage
 318   if(actor)
 319   {
 320     // Check whether the actor is focusable
 321     bool actorFocusable = false;
 322     Property::Index propertyActorFocusable = actor.GetPropertyIndex(ACTOR_FOCUSABLE);
 323     if(propertyActorFocusable != Property::INVALID_INDEX)
 324     {
 325       actorFocusable = actor.GetProperty<bool>(propertyActorFocusable);
 326     }
 327
 328     // Go through the actor's hierarchy to check whether the actor is visible
 329     bool actorVisible = actor.IsVisible();
 330     Actor parent = actor.GetParent();
 331     while (actorVisible && parent && parent != rootActor)
 332     {
 333       actorVisible = parent.IsVisible();
 334       parent = parent.GetParent();
 335     }
 336
 337     // Check whether the actor is fully transparent
 338     bool actorOpaque = actor.GetCurrentWorldColor().a > 0.01f;
 339
 340     // Set the focus only when the actor is focusable and visible and not fully transparent
 341     if(actorVisible && actorFocusable && actorOpaque)
 342     {
 343       // Draw the focus indicator upon the focused actor
 344       if( mIsFocusIndicatorEnabled )
 345       {
 346         actor.Add( GetFocusIndicatorActor() );
 347       }
 348
 349       // Send notification for the change of focus actor
 350       mFocusChangedSignal.Emit( GetCurrentFocusActor(), actor );
 351
 352       // Save the current focused actor
 353       mCurrentFocusActor = FocusIDPair(GetFocusOrder(actor), actorID);
 354
 355       if(mIsAccessibilityTtsEnabled)
 356       {
 357         Dali::SoundPlayer soundPlayer = Dali::SoundPlayer::Get();
 358         if(soundPlayer)
 359         {
 360           soundPlayer.PlaySound(FOCUS_SOUND_FILE);
 361         }
 362
 363         // Play the accessibility attributes with the TTS player.
 364         Dali::TtsPlayer player = Dali::TtsPlayer::Get(Dali::TtsPlayer::SCREEN_READER);
 365
 366         // Combine attribute texts to one text
 367         std::string informationText;
 368         for(int i = 0; i < Toolkit::AccessibilityManager::ACCESSIBILITY_ATTRIBUTE_NUM; i++)
 369         {
 370           if(!GetActorAdditionalInfo(actorID).mAccessibilityAttributes[i].empty())
 371           {
 372             if( i > 0 )
 373             {
 374               informationText += ", "; // for space time between each information
 375             }
 376             informationText += GetActorAdditionalInfo(actorID).mAccessibilityAttributes[i];
 377           }
 378         }
 379         player.Play(informationText);
 380       }
 381
 382       return true;
 383     }
 384   }
 385
 386   DALI_LOG_WARNING("[%s:%d] FAILED\n", __FUNCTION__, __LINE__);
 387   return false;
 388 }
 389
 390 Actor AccessibilityManager::GetCurrentFocusActor()
 391 {
 392   Actor rootActor = Stage::GetCurrent().GetRootLayer();
 393   return rootActor.FindChildById(mCurrentFocusActor.second);
 394 }
 395
 396 Actor AccessibilityManager::GetCurrentFocusGroup()
 397 {
 398   return GetFocusGroup(GetCurrentFocusActor());
 399 }
 400
 401 unsigned int AccessibilityManager::GetCurrentFocusOrder()
 402 {
 403   return mCurrentFocusActor.first;
 404 }
 405
 406 bool AccessibilityManager::MoveFocusForward()
 407 {
 408   bool ret = false;
 409   mRecursiveFocusMoveCounter = 0;
 410
 411   FocusIDIter focusIDIter = mFocusIDContainer.find(mCurrentFocusActor.first);
 412   if(focusIDIter != mFocusIDContainer.end())
 413   {
 414     DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 415     ret = DoMoveFocus(focusIDIter, true, mIsWrapped);
 416   }
 417   else
 418   {
 419     // TODO: if there is not focused actor, move first actor
 420     if(!mFocusIDContainer.empty())
 421     {
 422       //if there is not focused actor, move 1st actor
 423       focusIDIter = mFocusIDContainer.begin(); // TODO: I'm not sure it was sorted.
 424       DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 425       ret = DoSetCurrentFocusActor((*focusIDIter).second);
 426     }
 427   }
 428
 429   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s] %s\n", __FUNCTION__, ret?"SUCCEED!!!":"FAILED!!!");
 430
 431   return ret;
 432 }
 433
 434 bool AccessibilityManager::MoveFocusBackward()
 435 {
 436   bool ret = false;
 437   mRecursiveFocusMoveCounter = 0;
 438
 439   FocusIDIter focusIDIter = mFocusIDContainer.find(mCurrentFocusActor.first);
 440   if(focusIDIter != mFocusIDContainer.end())
 441   {
 442     DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 443     ret = DoMoveFocus(focusIDIter, false, mIsWrapped);
 444   }
 445   else
 446   {
 447     // TODO: if there is not focused actor, move last actor
 448     if(!mFocusIDContainer.empty())
 449     {
 450       //if there is not focused actor, move last actor
 451       focusIDIter = mFocusIDContainer.end();
 452       --focusIDIter;//We want forward iterator to the last element here
 453       DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 454       ret = DoSetCurrentFocusActor((*focusIDIter).second);
 455     }
 456   }
 457
 458   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s] %s\n", __FUNCTION__, ret?"SUCCEED!!!":"FAILED!!!");
 459
 460   return ret;
 461 }
 462
 463 void AccessibilityManager::DoActivate(Actor actor)
 464 {
 465   if(actor)
 466   {
 467     Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 468     if(control)
 469     {
 470       // Notify the control that it is activated
 471       GetImplementation( control ).AccessibilityActivate();
 472     }
 473
 474     // Send notification for the activation of focused actor
 475     mFocusedActorActivatedSignal.Emit(actor);
 476   }
 477 }
 478
 479 void AccessibilityManager::ClearFocus()
 480 {
 481   Actor actor = GetCurrentFocusActor();
 482   if( actor && mFocusIndicatorActor )
 483   {
 484     actor.Remove( mFocusIndicatorActor );
 485   }
 486
 487   mCurrentFocusActor = FocusIDPair(0, 0);
 488
 489   // Send notification for the change of focus actor
 490   mFocusChangedSignal.Emit(actor, Actor());
 491
 492   if(mIsAccessibilityTtsEnabled)
 493   {
 494     // Stop the TTS playing if any
 495     Dali::TtsPlayer player = Dali::TtsPlayer::Get(Dali::TtsPlayer::SCREEN_READER);
 496     player.Stop();
 497   }
 498 }
 499
 500 void AccessibilityManager::Reset()
 501 {
 502   ClearFocus();
 503   mFocusIDContainer.clear();
 504   mIDAdditionalInfoContainer.clear();
 505 }
 506
 507 void AccessibilityManager::SetFocusGroup(Actor actor, bool isFocusGroup)
 508 {
 509   if(actor)
 510   {
 511     // Create/Set focus group property.
 512     actor.RegisterProperty( IS_FOCUS_GROUP, isFocusGroup, Property::READ_WRITE );
 513   }
 514 }
 515
 516 bool AccessibilityManager::IsFocusGroup(Actor actor) const
 517 {
 518   // Check whether the actor is a focus group
 519   bool isFocusGroup = false;
 520
 521   if(actor)
 522   {
 523     Property::Index propertyIsFocusGroup = actor.GetPropertyIndex(IS_FOCUS_GROUP);
 524     if(propertyIsFocusGroup != Property::INVALID_INDEX)
 525     {
 526       isFocusGroup = actor.GetProperty<bool>(propertyIsFocusGroup);
 527     }
 528   }
 529
 530   return isFocusGroup;
 531 }
 532
 533 Actor AccessibilityManager::GetFocusGroup(Actor actor)
 534 {
 535   // Go through the actor's hierarchy to check which focus group the actor belongs to
 536   while (actor && !IsFocusGroup(actor))
 537   {
 538     actor = actor.GetParent();
 539   }
 540
 541   return actor;
 542 }
 543
 544 Vector2 AccessibilityManager::GetReadPosition() const
 545 {
 546   AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 547   return adaptor.GetReadPosition();
 548 }
 549
 550 void AccessibilityManager::SetGroupMode(bool enabled)
 551 {
 552   mIsFocusWithinGroup = enabled;
 553 }
 554
 555 bool AccessibilityManager::GetGroupMode() const
 556 {
 557   return mIsFocusWithinGroup;
 558 }
 559
 560 void AccessibilityManager::SetWrapMode(bool wrapped)
 561 {
 562   mIsWrapped = wrapped;
 563 }
 564
 565 bool AccessibilityManager::GetWrapMode() const
 566 {
 567   return mIsWrapped;
 568 }
 569
 570 void AccessibilityManager::SetFocusIndicatorActor(Actor indicator)
 571 {
 572   if( mFocusIndicatorActor != indicator )
 573   {
 574     Actor currentFocusActor = GetCurrentFocusActor();
 575     if( currentFocusActor )
 576     {
 577       // The new focus indicator should be added to the current focused actor immediately
 578       if( mFocusIndicatorActor )
 579       {
 580         currentFocusActor.Remove( mFocusIndicatorActor );
 581       }
 582
 583       if( indicator )
 584       {
 585         currentFocusActor.Add( indicator );
 586       }
 587     }
 588
 589     mFocusIndicatorActor = indicator;
 590   }
 591 }
 592
 593 Actor AccessibilityManager::GetFocusIndicatorActor()
 594 {
 595   if( ! mFocusIndicatorActor )
 596   {
 597     // Create the default if it hasn't been set and one that's shared by all the keyboard focusable actors
 598     mFocusIndicatorActor = Toolkit::ImageView::New( FOCUS_BORDER_IMAGE_PATH );
 599     mFocusIndicatorActor.SetParentOrigin( ParentOrigin::CENTER );
 600     mFocusIndicatorActor.SetZ( 1.0f );
 601
 602     // Apply size constraint to the focus indicator
 603     mFocusIndicatorActor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 604   }
 605
 606   return mFocusIndicatorActor;
 607 }
 608
 609 bool AccessibilityManager::DoMoveFocus(FocusIDIter focusIDIter, bool forward, bool wrapped)
 610 {
 611   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] %d focusable actors\n", __FUNCTION__, __LINE__, mFocusIDContainer.size());
 612   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 613
 614   if( (forward && ++focusIDIter == mFocusIDContainer.end())
 615     || (!forward && focusIDIter-- == mFocusIDContainer.begin()) )
 616   {
 617     if(mIsEndcapFeedbackEnabled)
 618     {
 619       if(mIsEndcapFeedbackPlayed == false)
 620       {
 621         // play sound & skip moving once
 622         Dali::SoundPlayer soundPlayer = Dali::SoundPlayer::Get();
 623         if(soundPlayer)
 624         {
 625           soundPlayer.PlaySound(FOCUS_CHAIN_END_SOUND_FILE);
 626         }
 627
 628         mIsEndcapFeedbackPlayed = true;
 629         return true;
 630       }
 631       mIsEndcapFeedbackPlayed = false;
 632     }
 633
 634     if(wrapped)
 635     {
 636       if(forward)
 637       {
 638         focusIDIter = mFocusIDContainer.begin();
 639       }
 640       else
 641       {
 642         focusIDIter = mFocusIDContainer.end();
 643         --focusIDIter;//We want forward iterator to the last element here
 644       }
 645     }
 646     else
 647     {
 648       DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] Overshot\n", __FUNCTION__, __LINE__);
 649       // Send notification for handling overshooted situation
 650       mFocusOvershotSignal.Emit(GetCurrentFocusActor(), forward ? Toolkit::AccessibilityManager::OVERSHOT_NEXT : Toolkit::AccessibilityManager::OVERSHOT_PREVIOUS);
 651
 652       return false; // Try to move the focus out of the scope
 653     }
 654   }
 655
 656   // Invalid focus.
 657   if( focusIDIter == mFocusIDContainer.end() )
 658   {
 659     return false;
 660   }
 661
 662   // Note: This function performs the focus change.
 663   if( !DoSetCurrentFocusActor( (*focusIDIter).second ) )
 664   {
 665     mRecursiveFocusMoveCounter++;
 666     if(mRecursiveFocusMoveCounter > mFocusIDContainer.size())
 667     {
 668       // We've attempted to focus all the actors in the whole focus chain and no actor
 669       // can be focused successfully.
 670       DALI_LOG_WARNING("[%s] There is no more focusable actor in %d focus chains\n", __FUNCTION__, mRecursiveFocusMoveCounter);
 671
 672       return false;
 673     }
 674     else
 675     {
 676       return DoMoveFocus(focusIDIter, forward, wrapped);
 677     }
 678   }
 679
 680   return true;
 681 }
 682
 683 void AccessibilityManager::SetFocusable(Actor actor, bool focusable)
 684 {
 685   if(actor)
 686   {
 687     // Create/Set actor focusable property.
 688     actor.RegisterProperty( ACTOR_FOCUSABLE, focusable, Property::READ_WRITE );
 689   }
 690 }
 691
 692 bool AccessibilityManager::ChangeAccessibilityStatus()
 693 {
 694   AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 695   mIsAccessibilityTtsEnabled = adaptor.IsEnabled();
 696   Dali::Toolkit::AccessibilityManager handle( this );
 697
 698   if(mIsAccessibilityTtsEnabled)
 699   {
 700     // Show indicator when tts turned on if there is focused actor.
 701     Actor actor = GetCurrentFocusActor();
 702     if(actor)
 703     {
 704       actor.Add( GetFocusIndicatorActor() );
 705     }
 706     mIsFocusIndicatorEnabled = true;
 707
 708     // Connect a signal to the TTS player to implement continuous reading mode.
 709     Dali::TtsPlayer player = Dali::TtsPlayer::Get( Dali::TtsPlayer::SCREEN_READER );
 710     player.StateChangedSignal().Connect( this, &AccessibilityManager::TtsStateChanged );
 711     mTtsCreated = true;
 712   }
 713   else
 714   {
 715     // Hide indicator when tts turned off
 716     Actor actor = GetCurrentFocusActor();
 717     if( actor && mFocusIndicatorActor )
 718     {
 719       actor.Remove( mFocusIndicatorActor );
 720     }
 721     mIsFocusIndicatorEnabled = false;
 722
 723     if( mTtsCreated )
 724     {
 725       // Disconnect the TTS state change signal.
 726       Dali::TtsPlayer player = Dali::TtsPlayer::Get( Dali::TtsPlayer::SCREEN_READER );
 727       player.StateChangedSignal().Disconnect( this, &AccessibilityManager::TtsStateChanged );
 728       mTtsCreated = true;
 729     }
 730   }
 731
 732   mStatusChangedSignal.Emit( handle );
 733
 734   return true;
 735 }
 736
 737 bool AccessibilityManager::AccessibilityActionNext(bool allowEndFeedback)
 738 {
 739   Dali::Toolkit::AccessibilityManager handle( this );
 740   if( !mActionNextSignal.Empty() )
 741   {
 742     mActionNextSignal.Emit( handle );
 743   }
 744
 745   if(mIsAccessibilityTtsEnabled)
 746   {
 747     mIsEndcapFeedbackEnabled = allowEndFeedback;
 748     return MoveFocusForward();
 749   }
 750   else
 751   {
 752     return false;
 753   }
 754 }
 755
 756 bool AccessibilityManager::AccessibilityActionPrevious(bool allowEndFeedback)
 757 {
 758   Dali::Toolkit::AccessibilityManager handle( this );
 759   if( !mActionPreviousSignal.Empty() )
 760   {
 761     mActionPreviousSignal.Emit( handle );
 762   }
 763
 764   if(mIsAccessibilityTtsEnabled)
 765   {
 766     mIsEndcapFeedbackEnabled = allowEndFeedback;
 767     return MoveFocusBackward();
 768   }
 769   else
 770   {
 771     return false;
 772   }
 773 }
 774
 775 bool AccessibilityManager::AccessibilityActionActivate()
 776 {
 777   Dali::Toolkit::AccessibilityManager handle( this );
 778   if( !mActionActivateSignal.Empty() )
 779   {
 780     mActionActivateSignal.Emit( handle );
 781   }
 782
 783   bool ret = false;
 784
 785   Actor actor = GetCurrentFocusActor();
 786   if(actor)
 787   {
 788     DoActivate(actor);
 789     ret = true;
 790   }
 791
 792   return ret;
 793 }
 794
 795 bool AccessibilityManager::AccessibilityActionRead(bool allowReadAgain)
 796 {
 797   Dali::Toolkit::AccessibilityManager handle( this );
 798
 799   if( allowReadAgain )
 800   {
 801     if ( !mActionReadSignal.Empty() )
 802     {
 803       mActionReadSignal.Emit( handle );
 804     }
 805   }
 806   else
 807   {
 808     if ( !mActionOverSignal.Empty() )
 809     {
 810       mActionOverSignal.Emit( handle );
 811     }
 812   }
 813
 814   bool ret = false;
 815
 816   if(mIsAccessibilityTtsEnabled)
 817   {
 818     // Find the focusable actor at the read position
 819     AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 820     Dali::HitTestAlgorithm::Results results;
 821     Dali::HitTestAlgorithm::HitTest( Stage::GetCurrent(), adaptor.GetReadPosition(), results, IsActorFocusableFunction );
 822
 823     FocusIDIter focusIDIter = mFocusIDContainer.find(GetFocusOrder(results.actor));
 824     if(focusIDIter != mFocusIDContainer.end())
 825     {
 826       if( allowReadAgain || (results.actor != GetCurrentFocusActor()) )
 827       {
 828         // Move the focus to the actor
 829         ret = SetCurrentFocusActor(results.actor);
 830         DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] SetCurrentFocusActor returns %s\n", __FUNCTION__, __LINE__, ret?"TRUE":"FALSE");
 831       }
 832     }
 833   }
 834
 835   return ret;
 836 }
 837
 838 bool AccessibilityManager::AccessibilityActionReadNext(bool allowEndFeedback)
 839 {
 840   Dali::Toolkit::AccessibilityManager handle( this );
 841   if( !mActionReadNextSignal.Empty() )
 842   {
 843     mActionReadNextSignal.Emit( handle );
 844   }
 845
 846   if(mIsAccessibilityTtsEnabled)
 847   {
 848     return MoveFocusForward();
 849   }
 850   else
 851   {
 852     return false;
 853   }
 854 }
 855
 856 bool AccessibilityManager::AccessibilityActionReadPrevious(bool allowEndFeedback)
 857 {
 858   Dali::Toolkit::AccessibilityManager handle( this );
 859   if( !mActionReadPreviousSignal.Empty() )
 860   {
 861     mActionReadPreviousSignal.Emit( handle );
 862   }
 863
 864   if(mIsAccessibilityTtsEnabled)
 865   {
 866     return MoveFocusBackward();
 867   }
 868   else
 869   {
 870     return false;
 871   }
 872 }
 873
 874 bool AccessibilityManager::AccessibilityActionUp()
 875 {
 876   Dali::Toolkit::AccessibilityManager handle( this );
 877   if( !mActionUpSignal.Empty() )
 878   {
 879     mActionUpSignal.Emit( handle );
 880   }
 881
 882   bool ret = false;
 883
 884   if(mIsAccessibilityTtsEnabled)
 885   {
 886     Actor actor = GetCurrentFocusActor();
 887     if(actor)
 888     {
 889       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 890       if(control)
 891       {
 892         // Notify the control that it is activated
 893         ret = GetImplementation( control ).OnAccessibilityValueChange(true);
 894       }
 895     }
 896   }
 897
 898   return ret;
 899 }
 900
 901 bool AccessibilityManager::AccessibilityActionDown()
 902 {
 903   Dali::Toolkit::AccessibilityManager handle( this );
 904   if( !mActionDownSignal.Empty() )
 905   {
 906     mActionDownSignal.Emit( handle );
 907   }
 908
 909   bool ret = false;
 910
 911   if(mIsAccessibilityTtsEnabled)
 912   {
 913     Actor actor = GetCurrentFocusActor();
 914     if(actor)
 915     {
 916       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 917       if(control)
 918       {
 919         // Notify the control that it is activated
 920         ret = GetImplementation( control ).OnAccessibilityValueChange(false);
 921       }
 922     }
 923   }
 924
 925   return ret;
 926 }
 927
 928 bool AccessibilityManager::ClearAccessibilityFocus()
 929 {
 930   Dali::Toolkit::AccessibilityManager handle( this );
 931   if( !mActionClearFocusSignal.Empty() )
 932   {
 933     mActionClearFocusSignal.Emit( handle );
 934   }
 935
 936   if(mIsAccessibilityTtsEnabled)
 937   {
 938     ClearFocus();
 939     return true;
 940   }
 941   else
 942   {
 943     return false;
 944   }
 945 }
 946
 947 bool AccessibilityManager::AccessibilityActionScroll( Dali::TouchEvent& touchEvent )
 948 {
 949   Dali::Toolkit::AccessibilityManager handle( this );
 950   if( !mActionScrollSignal.Empty() )
 951   {
 952     mActionScrollSignal.Emit( handle, touchEvent );
 953   }
 954
 955   return true;
 956 }
 957
 958 bool AccessibilityManager::AccessibilityActionBack()
 959 {
 960   Dali::Toolkit::AccessibilityManager handle( this );
 961   if( !mActionBackSignal.Empty() )
 962   {
 963     mActionBackSignal.Emit( handle );
 964   }
 965
 966   // TODO: Back to previous view
 967
 968   return mIsAccessibilityTtsEnabled;
 969 }
 970
 971 bool AccessibilityManager::AccessibilityActionScrollUp()
 972 {
 973   Dali::Toolkit::AccessibilityManager handle( this );
 974   if( !mActionScrollUpSignal.Empty() )
 975   {
 976     mActionScrollUpSignal.Emit( handle );
 977   }
 978
 979   bool ret = false;
 980
 981   if(mIsAccessibilityTtsEnabled)
 982   {
 983     Actor actor = GetCurrentFocusActor();
 984     if(actor)
 985     {
 986       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 987       if(control)
 988       {
 989         // TODO: Notify the control to scroll up. Should control handle this?
 990 //        ret = GetImplementation( control ).OnAccessibilityScroll(Direction::UP);
 991       }
 992     }
 993   }
 994
 995   return ret;
 996 }
 997
 998 bool AccessibilityManager::AccessibilityActionScrollDown()
 999 {
1000   Dali::Toolkit::AccessibilityManager handle( this );
1001   if( !mActionScrollDownSignal.Empty() )
1002   {
1003     mActionScrollDownSignal.Emit( handle );
1004   }
1005
1006   bool ret = false;
1007
1008   if(mIsAccessibilityTtsEnabled)
1009   {
1010     Actor actor = GetCurrentFocusActor();
1011     if(actor)
1012     {
1013       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1014       if(control)
1015       {
1016         // TODO: Notify the control to scroll down. Should control handle this?
1017 //        ret = GetImplementation( control ).OnAccessibilityScrollDown(Direction::DOWN);
1018       }
1019     }
1020   }
1021
1022   return ret;
1023 }
1024
1025 bool AccessibilityManager::AccessibilityActionPageLeft()
1026 {
1027   Dali::Toolkit::AccessibilityManager handle( this );
1028   if( !mActionPageLeftSignal.Empty() )
1029   {
1030     mActionPageLeftSignal.Emit( handle );
1031   }
1032
1033   bool ret = false;
1034
1035   if(mIsAccessibilityTtsEnabled)
1036   {
1037     Actor actor = GetCurrentFocusActor();
1038     if(actor)
1039     {
1040       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1041       if(control)
1042       {
1043         // TODO: Notify the control to scroll left to the previous page. Should control handle this?
1044 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::LEFT);
1045       }
1046     }
1047   }
1048
1049   return ret;
1050 }
1051
1052 bool AccessibilityManager::AccessibilityActionPageRight()
1053 {
1054   Dali::Toolkit::AccessibilityManager handle( this );
1055   if( !mActionPageRightSignal.Empty() )
1056   {
1057     mActionPageRightSignal.Emit( handle );
1058   }
1059
1060   bool ret = false;
1061
1062   if(mIsAccessibilityTtsEnabled)
1063   {
1064     Actor actor = GetCurrentFocusActor();
1065     if(actor)
1066     {
1067       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1068       if(control)
1069       {
1070         // TODO: Notify the control to scroll right to the next page. Should control handle this?
1071 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::RIGHT);
1072       }
1073     }
1074   }
1075
1076   return ret;
1077 }
1078
1079 bool AccessibilityManager::AccessibilityActionPageUp()
1080 {
1081   Dali::Toolkit::AccessibilityManager handle( this );
1082   if( !mActionPageUpSignal.Empty() )
1083   {
1084     mActionPageUpSignal.Emit( handle );
1085   }
1086
1087   bool ret = false;
1088
1089   if(mIsAccessibilityTtsEnabled)
1090   {
1091     Actor actor = GetCurrentFocusActor();
1092     if(actor)
1093     {
1094       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1095       if(control)
1096       {
1097         // TODO: Notify the control to scroll up to the previous page. Should control handle this?
1098 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::UP);
1099       }
1100     }
1101   }
1102
1103   return ret;
1104 }
1105
1106 bool AccessibilityManager::AccessibilityActionPageDown()
1107 {
1108   Dali::Toolkit::AccessibilityManager handle( this );
1109   if( !mActionPageDownSignal.Empty() )
1110   {
1111     mActionPageDownSignal.Emit( handle );
1112   }
1113
1114   bool ret = false;
1115
1116   if(mIsAccessibilityTtsEnabled)
1117   {
1118     Actor actor = GetCurrentFocusActor();
1119     if(actor)
1120     {
1121       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1122       if(control)
1123       {
1124         // TODO: Notify the control to scroll down to the next page. Should control handle this?
1125 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::DOWN);
1126       }
1127     }
1128   }
1129
1130   return ret;
1131 }
1132
1133 bool AccessibilityManager::AccessibilityActionMoveToFirst()
1134 {
1135   Dali::Toolkit::AccessibilityManager handle( this );
1136   if( !mActionMoveToFirstSignal.Empty() )
1137   {
1138     mActionMoveToFirstSignal.Emit( handle );
1139   }
1140
1141   // TODO: Move to the first item on screen
1142
1143   return mIsAccessibilityTtsEnabled;
1144 }
1145
1146 bool AccessibilityManager::AccessibilityActionMoveToLast()
1147 {
1148   Dali::Toolkit::AccessibilityManager handle( this );
1149   if( !mActionMoveToLastSignal.Empty() )
1150   {
1151     mActionMoveToLastSignal.Emit( handle );
1152   }
1153
1154   // TODO: Move to the last item on screen
1155
1156   return mIsAccessibilityTtsEnabled;
1157 }
1158
1159 bool AccessibilityManager::AccessibilityActionReadFromTop()
1160 {
1161   Dali::Toolkit::AccessibilityManager handle( this );
1162   if( !mActionReadFromTopSignal.Empty() )
1163   {
1164     mActionReadFromTopSignal.Emit( handle );
1165   }
1166
1167   // TODO: Move to the top item on screen and read from the item continuously
1168
1169   return mIsAccessibilityTtsEnabled;
1170 }
1171
1172 bool AccessibilityManager::AccessibilityActionReadFromNext()
1173 {
1174   Dali::Toolkit::AccessibilityManager handle( this );
1175
1176   if( !mActionReadFromNextSignal.Empty() )
1177   {
1178     mActionReadFromNextSignal.Emit( handle );
1179   }
1180
1181   if( mIsAccessibilityTtsEnabled )
1182   {
1183     // Mark that we are in continuous play mode, so TTS signals can move focus.
1184     mContinuousPlayMode = true;
1185
1186     // Attempt to move to the next item and read from the item continuously.
1187     MoveFocusForward();
1188   }
1189
1190   return mIsAccessibilityTtsEnabled;
1191 }
1192
1193 void AccessibilityManager::TtsStateChanged( const Dali::TtsPlayer::State previousState, const Dali::TtsPlayer::State currentState )
1194 {
1195   if( mContinuousPlayMode )
1196   {
1197     // If we were playing and now we have stopped, attempt to play the next item.
1198     if( ( previousState == Dali::TtsPlayer::PLAYING ) && ( currentState == Dali::TtsPlayer::READY ) )
1199     {
1200       // Attempt to move the focus forward and play.
1201       // If we can't cancel continuous play mode.
1202       if( !MoveFocusForward() )
1203       {
1204         // We are done, exit continuous play mode.
1205         mContinuousPlayMode = false;
1206       }
1207     }
1208     else
1209     {
1210       // Unexpected play state change, exit continuous play mode.
1211       mContinuousPlayMode = false;
1212     }
1213   }
1214 }
1215
1216 bool AccessibilityManager::AccessibilityActionZoom()
1217 {
1218   Dali::Toolkit::AccessibilityManager handle( this );
1219   if( !mActionZoomSignal.Empty() )
1220   {
1221     mActionZoomSignal.Emit( handle );
1222   }
1223
1224   bool ret = false;
1225
1226   if(mIsAccessibilityTtsEnabled)
1227   {
1228     Actor actor = GetCurrentFocusActor();
1229     if(actor)
1230     {
1231       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1232       if(control)
1233       {
1234         // Notify the control to zoom
1235         ret = GetImplementation( control ).OnAccessibilityZoom();
1236       }
1237     }
1238   }
1239
1240   return ret;
1241 }
1242
1243 bool AccessibilityManager::AccessibilityActionReadPauseResume()
1244 {
1245   Dali::Toolkit::AccessibilityManager handle( this );
1246   if( !mActionReadPauseResumeSignal.Empty() )
1247   {
1248     mActionReadPauseResumeSignal.Emit( handle );
1249   }
1250
1251   bool ret = false;
1252
1253   if(mIsAccessibilityTtsEnabled)
1254   {
1255     // Pause or resume the TTS player
1256     Dali::TtsPlayer player = Dali::TtsPlayer::Get(Dali::TtsPlayer::SCREEN_READER);
1257     Dali::TtsPlayer::State state = player.GetState();
1258     if(state == Dali::TtsPlayer::PLAYING)
1259     {
1260       player.Pause();
1261       ret = true;
1262     }
1263     else if(state == Dali::TtsPlayer::PAUSED)
1264     {
1265       player.Resume();
1266       ret = true;
1267     }
1268   }
1269
1270   return ret;
1271 }
1272
1273 bool AccessibilityManager::AccessibilityActionStartStop()
1274 {
1275   Dali::Toolkit::AccessibilityManager handle( this );
1276   if( !mActionStartStopSignal.Empty() )
1277   {
1278     mActionStartStopSignal.Emit( handle );
1279   }
1280
1281   // TODO: Start/stop the current action
1282
1283   return mIsAccessibilityTtsEnabled;
1284 }
1285
1286 bool AccessibilityManager::AccessibilityActionTouch(const TouchEvent& touchEvent)
1287 {
1288   bool handled = false;
1289
1290   // TODO: Need to convert the touchevent for the focused actor?
1291
1292   Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(GetCurrentFocusActor());
1293   if(control)
1294   {
1295     handled = GetImplementation( control ).OnAccessibilityTouch(touchEvent);
1296   }
1297
1298   return handled;
1299 }
1300
1301 bool AccessibilityManager::HandlePanGesture(const AccessibilityGestureEvent& panEvent)
1302 {
1303   bool handled = false;
1304
1305   if( panEvent.state == AccessibilityGestureEvent::Started )
1306   {
1307     // Find the focusable actor at the event position
1308     Dali::HitTestAlgorithm::Results results;
1309     AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
1310
1311     Dali::HitTestAlgorithm::HitTest( Stage::GetCurrent(), panEvent.currentPosition, results, IsActorFocusableFunction );
1312     mCurrentGesturedActor = results.actor;
1313
1314     if(!mCurrentGesturedActor)
1315     {
1316       DALI_LOG_ERROR("Gesture detected, but no hit actor\n");
1317     }
1318   }
1319
1320   // Gesture::Finished (Up) events are delivered with previous (Motion) event position
1321   // Use the real previous position; otherwise we may incorrectly get a ZERO velocity
1322   if ( AccessibilityGestureEvent::Finished != panEvent.state )
1323   {
1324     // Store the previous position for next Gesture::Finished iteration.
1325     mPreviousPosition = panEvent.previousPosition;
1326   }
1327
1328   Actor rootActor = Stage::GetCurrent().GetRootLayer();
1329
1330   Dali::PanGesture pan( static_cast<Dali::Gesture::State>(panEvent.state) );
1331
1332   pan.time = panEvent.time;
1333   pan.numberOfTouches = panEvent.numberOfTouches;
1334   pan.screenPosition = panEvent.currentPosition;
1335   pan.screenDisplacement = mPreviousPosition - panEvent.currentPosition;
1336   pan.screenVelocity.x = pan.screenDisplacement.x / panEvent.timeDelta;
1337   pan.screenVelocity.y = pan.screenDisplacement.y / panEvent.timeDelta;
1338
1339   // Only handle the pan gesture when the current focused actor is scrollable or within a scrollable actor
1340   while(mCurrentGesturedActor && mCurrentGesturedActor != rootActor && !handled)
1341   {
1342     Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(mCurrentGesturedActor);
1343     if(control)
1344     {
1345       Vector2 localCurrent;
1346       control.ScreenToLocal( localCurrent.x, localCurrent.y, panEvent.currentPosition.x, panEvent.currentPosition.y );
1347       pan.position = localCurrent;
1348
1349       Vector2 localPrevious;
1350       control.ScreenToLocal( localPrevious.x, localPrevious.y, mPreviousPosition.x, mPreviousPosition.y );
1351
1352       pan.displacement = localCurrent - localPrevious;
1353       pan.velocity.x = pan.displacement.x / panEvent.timeDelta;
1354       pan.velocity.y = pan.displacement.y / panEvent.timeDelta;
1355
1356       handled = GetImplementation( control ).OnAccessibilityPan(pan);
1357     }
1358
1359     // If the gesture is not handled by the control, check its parent
1360     if(!handled)
1361     {
1362       mCurrentGesturedActor = mCurrentGesturedActor.GetParent();
1363
1364       if(!mCurrentGesturedActor)
1365       {
1366         DALI_LOG_ERROR("no more gestured actor\n");
1367       }
1368     }
1369     else
1370     {
1371       // If handled, then update the pan gesture properties
1372       PanGestureDetector::SetPanGestureProperties( pan );
1373     }
1374   }
1375
1376   return handled;
1377 }
1378
1379 Toolkit::AccessibilityManager::FocusChangedSignalType& AccessibilityManager::FocusChangedSignal()
1380 {
1381   return mFocusChangedSignal;
1382 }
1383
1384 Toolkit::AccessibilityManager::FocusOvershotSignalType& AccessibilityManager::FocusOvershotSignal()
1385 {
1386   return mFocusOvershotSignal;
1387 }
1388
1389 Toolkit::AccessibilityManager::FocusedActorActivatedSignalType& AccessibilityManager::FocusedActorActivatedSignal()
1390 {
1391   return mFocusedActorActivatedSignal;
1392 }
1393
1394 } // namespace Internal
1395
1396 } // namespace Toolkit
1397
1398 } // namespace Dali