dali-toolkit/internal/accessibility-manager/accessibility-manager-impl.cpp

   1 /*
   2  * Copyright (c) 2015 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   mFocusIndicatorActor(Actor()),
 112   mRecursiveFocusMoveCounter(0),
 113   mIsWrapped(false),
 114   mIsFocusWithinGroup(false),
 115   mIsEndcapFeedbackEnabled(false),
 116   mIsEndcapFeedbackPlayed(false),
 117   mIsAccessibilityTtsEnabled(false),
 118   mTtsCreated(false),
 119   mIsFocusIndicatorEnabled(false),
 120   mContinuousPlayMode(false)
 121 {
 122 }
 123
 124 AccessibilityManager::~AccessibilityManager()
 125 {
 126 }
 127
 128 void AccessibilityManager::Initialise()
 129 {
 130   CreateDefaultFocusIndicatorActor();
 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 && mFocusIndicatorActor)
 345       {
 346         actor.Add(mFocusIndicatorActor);
 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)
 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   mFocusIndicatorActor = indicator;
 573 }
 574
 575 Actor AccessibilityManager::GetFocusIndicatorActor()
 576 {
 577   return mFocusIndicatorActor;
 578 }
 579
 580 bool AccessibilityManager::DoMoveFocus(FocusIDIter focusIDIter, bool forward, bool wrapped)
 581 {
 582   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] %d focusable actors\n", __FUNCTION__, __LINE__, mFocusIDContainer.size());
 583   DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] focus order : %d\n", __FUNCTION__, __LINE__, (*focusIDIter).first);
 584
 585   if( (forward && ++focusIDIter == mFocusIDContainer.end())
 586     || (!forward && focusIDIter-- == mFocusIDContainer.begin()) )
 587   {
 588     if(mIsEndcapFeedbackEnabled)
 589     {
 590       if(mIsEndcapFeedbackPlayed == false)
 591       {
 592         // play sound & skip moving once
 593         Dali::SoundPlayer soundPlayer = Dali::SoundPlayer::Get();
 594         if(soundPlayer)
 595         {
 596           soundPlayer.PlaySound(FOCUS_CHAIN_END_SOUND_FILE);
 597         }
 598
 599         mIsEndcapFeedbackPlayed = true;
 600         return true;
 601       }
 602       mIsEndcapFeedbackPlayed = false;
 603     }
 604
 605     if(wrapped)
 606     {
 607       if(forward)
 608       {
 609         focusIDIter = mFocusIDContainer.begin();
 610       }
 611       else
 612       {
 613         focusIDIter = mFocusIDContainer.end();
 614         --focusIDIter;//We want forward iterator to the last element here
 615       }
 616     }
 617     else
 618     {
 619       DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] Overshot\n", __FUNCTION__, __LINE__);
 620       // Send notification for handling overshooted situation
 621       mFocusOvershotSignal.Emit(GetCurrentFocusActor(), forward ? Toolkit::AccessibilityManager::OVERSHOT_NEXT : Toolkit::AccessibilityManager::OVERSHOT_PREVIOUS);
 622
 623       return false; // Try to move the focus out of the scope
 624     }
 625   }
 626
 627   // Invalid focus.
 628   if( focusIDIter == mFocusIDContainer.end() )
 629   {
 630     return false;
 631   }
 632
 633   // Note: This function performs the focus change.
 634   if( !DoSetCurrentFocusActor( (*focusIDIter).second ) )
 635   {
 636     mRecursiveFocusMoveCounter++;
 637     if(mRecursiveFocusMoveCounter > mFocusIDContainer.size())
 638     {
 639       // We've attempted to focus all the actors in the whole focus chain and no actor
 640       // can be focused successfully.
 641       DALI_LOG_WARNING("[%s] There is no more focusable actor in %d focus chains\n", __FUNCTION__, mRecursiveFocusMoveCounter);
 642
 643       return false;
 644     }
 645     else
 646     {
 647       return DoMoveFocus(focusIDIter, forward, wrapped);
 648     }
 649   }
 650
 651   return true;
 652 }
 653
 654 void AccessibilityManager::SetFocusable(Actor actor, bool focusable)
 655 {
 656   if(actor)
 657   {
 658     // Create/Set actor focusable property.
 659     actor.RegisterProperty( ACTOR_FOCUSABLE, focusable, Property::READ_WRITE );
 660   }
 661 }
 662
 663 void AccessibilityManager::CreateDefaultFocusIndicatorActor()
 664 {
 665   // Create a focus indicator actor shared by all the focusable actors
 666   Toolkit::ImageView focusIndicator = Toolkit::ImageView::New(FOCUS_BORDER_IMAGE_PATH);
 667   focusIndicator.SetParentOrigin( ParentOrigin::CENTER );
 668   focusIndicator.SetPosition(Vector3(0.0f, 0.0f, 1.0f));
 669
 670   // Apply size constraint to the focus indicator
 671   focusIndicator.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 672
 673   SetFocusIndicatorActor(focusIndicator);
 674 }
 675
 676 bool AccessibilityManager::ChangeAccessibilityStatus()
 677 {
 678   AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 679   mIsAccessibilityTtsEnabled = adaptor.IsEnabled();
 680   Dali::Toolkit::AccessibilityManager handle( this );
 681
 682   if(mIsAccessibilityTtsEnabled)
 683   {
 684     // Show indicator when tts turned on if there is focused actor.
 685     Actor actor = GetCurrentFocusActor();
 686     if(actor)
 687     {
 688       if(mFocusIndicatorActor)
 689       {
 690         actor.Add(mFocusIndicatorActor);
 691       }
 692     }
 693     mIsFocusIndicatorEnabled = true;
 694
 695     // Connect a signal to the TTS player to implement continuous reading mode.
 696     Dali::TtsPlayer player = Dali::TtsPlayer::Get( Dali::TtsPlayer::SCREEN_READER );
 697     player.StateChangedSignal().Connect( this, &AccessibilityManager::TtsStateChanged );
 698     mTtsCreated = true;
 699   }
 700   else
 701   {
 702     // Hide indicator when tts turned off
 703     Actor actor = GetCurrentFocusActor();
 704     if(actor)
 705     {
 706       actor.Remove(mFocusIndicatorActor);
 707     }
 708     mIsFocusIndicatorEnabled = false;
 709
 710     if( mTtsCreated )
 711     {
 712       // Disconnect the TTS state change signal.
 713       Dali::TtsPlayer player = Dali::TtsPlayer::Get( Dali::TtsPlayer::SCREEN_READER );
 714       player.StateChangedSignal().Disconnect( this, &AccessibilityManager::TtsStateChanged );
 715       mTtsCreated = true;
 716     }
 717   }
 718
 719   mStatusChangedSignal.Emit( handle );
 720
 721   return true;
 722 }
 723
 724 bool AccessibilityManager::AccessibilityActionNext(bool allowEndFeedback)
 725 {
 726   Dali::Toolkit::AccessibilityManager handle( this );
 727   if( !mActionNextSignal.Empty() )
 728   {
 729     mActionNextSignal.Emit( handle );
 730   }
 731
 732   if(mIsAccessibilityTtsEnabled)
 733   {
 734     mIsEndcapFeedbackEnabled = allowEndFeedback;
 735     return MoveFocusForward();
 736   }
 737   else
 738   {
 739     return false;
 740   }
 741 }
 742
 743 bool AccessibilityManager::AccessibilityActionPrevious(bool allowEndFeedback)
 744 {
 745   Dali::Toolkit::AccessibilityManager handle( this );
 746   if( !mActionPreviousSignal.Empty() )
 747   {
 748     mActionPreviousSignal.Emit( handle );
 749   }
 750
 751   if(mIsAccessibilityTtsEnabled)
 752   {
 753     mIsEndcapFeedbackEnabled = allowEndFeedback;
 754     return MoveFocusBackward();
 755   }
 756   else
 757   {
 758     return false;
 759   }
 760 }
 761
 762 bool AccessibilityManager::AccessibilityActionActivate()
 763 {
 764   Dali::Toolkit::AccessibilityManager handle( this );
 765   if( !mActionActivateSignal.Empty() )
 766   {
 767     mActionActivateSignal.Emit( handle );
 768   }
 769
 770   bool ret = false;
 771
 772   Actor actor = GetCurrentFocusActor();
 773   if(actor)
 774   {
 775     DoActivate(actor);
 776     ret = true;
 777   }
 778
 779   return ret;
 780 }
 781
 782 bool AccessibilityManager::AccessibilityActionRead(bool allowReadAgain)
 783 {
 784   Dali::Toolkit::AccessibilityManager handle( this );
 785
 786   if( allowReadAgain )
 787   {
 788     if ( !mActionReadSignal.Empty() )
 789     {
 790       mActionReadSignal.Emit( handle );
 791     }
 792   }
 793   else
 794   {
 795     if ( !mActionOverSignal.Empty() )
 796     {
 797       mActionOverSignal.Emit( handle );
 798     }
 799   }
 800
 801   bool ret = false;
 802
 803   if(mIsAccessibilityTtsEnabled)
 804   {
 805     // Find the focusable actor at the read position
 806     AccessibilityAdaptor adaptor = AccessibilityAdaptor::Get();
 807     Dali::HitTestAlgorithm::Results results;
 808     Dali::HitTestAlgorithm::HitTest( Stage::GetCurrent(), adaptor.GetReadPosition(), results, IsActorFocusableFunction );
 809
 810     FocusIDIter focusIDIter = mFocusIDContainer.find(GetFocusOrder(results.actor));
 811     if(focusIDIter != mFocusIDContainer.end())
 812     {
 813       if( allowReadAgain || (results.actor != GetCurrentFocusActor()) )
 814       {
 815         // Move the focus to the actor
 816         ret = SetCurrentFocusActor(results.actor);
 817         DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] SetCurrentFocusActor returns %s\n", __FUNCTION__, __LINE__, ret?"TRUE":"FALSE");
 818       }
 819     }
 820   }
 821
 822   return ret;
 823 }
 824
 825 bool AccessibilityManager::AccessibilityActionReadNext(bool allowEndFeedback)
 826 {
 827   Dali::Toolkit::AccessibilityManager handle( this );
 828   if( !mActionReadNextSignal.Empty() )
 829   {
 830     mActionReadNextSignal.Emit( handle );
 831   }
 832
 833   if(mIsAccessibilityTtsEnabled)
 834   {
 835     return MoveFocusForward();
 836   }
 837   else
 838   {
 839     return false;
 840   }
 841 }
 842
 843 bool AccessibilityManager::AccessibilityActionReadPrevious(bool allowEndFeedback)
 844 {
 845   Dali::Toolkit::AccessibilityManager handle( this );
 846   if( !mActionReadPreviousSignal.Empty() )
 847   {
 848     mActionReadPreviousSignal.Emit( handle );
 849   }
 850
 851   if(mIsAccessibilityTtsEnabled)
 852   {
 853     return MoveFocusBackward();
 854   }
 855   else
 856   {
 857     return false;
 858   }
 859 }
 860
 861 bool AccessibilityManager::AccessibilityActionUp()
 862 {
 863   Dali::Toolkit::AccessibilityManager handle( this );
 864   if( !mActionUpSignal.Empty() )
 865   {
 866     mActionUpSignal.Emit( handle );
 867   }
 868
 869   bool ret = false;
 870
 871   if(mIsAccessibilityTtsEnabled)
 872   {
 873     Actor actor = GetCurrentFocusActor();
 874     if(actor)
 875     {
 876       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 877       if(control)
 878       {
 879         // Notify the control that it is activated
 880         ret = GetImplementation( control ).OnAccessibilityValueChange(true);
 881       }
 882     }
 883   }
 884
 885   return ret;
 886 }
 887
 888 bool AccessibilityManager::AccessibilityActionDown()
 889 {
 890   Dali::Toolkit::AccessibilityManager handle( this );
 891   if( !mActionDownSignal.Empty() )
 892   {
 893     mActionDownSignal.Emit( handle );
 894   }
 895
 896   bool ret = false;
 897
 898   if(mIsAccessibilityTtsEnabled)
 899   {
 900     Actor actor = GetCurrentFocusActor();
 901     if(actor)
 902     {
 903       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 904       if(control)
 905       {
 906         // Notify the control that it is activated
 907         ret = GetImplementation( control ).OnAccessibilityValueChange(false);
 908       }
 909     }
 910   }
 911
 912   return ret;
 913 }
 914
 915 bool AccessibilityManager::ClearAccessibilityFocus()
 916 {
 917   Dali::Toolkit::AccessibilityManager handle( this );
 918   if( !mActionClearFocusSignal.Empty() )
 919   {
 920     mActionClearFocusSignal.Emit( handle );
 921   }
 922
 923   if(mIsAccessibilityTtsEnabled)
 924   {
 925     ClearFocus();
 926     return true;
 927   }
 928   else
 929   {
 930     return false;
 931   }
 932 }
 933
 934 bool AccessibilityManager::AccessibilityActionScroll( Dali::TouchEvent& touchEvent )
 935 {
 936   Dali::Toolkit::AccessibilityManager handle( this );
 937   if( !mActionScrollSignal.Empty() )
 938   {
 939     mActionScrollSignal.Emit( handle, touchEvent );
 940   }
 941
 942   return true;
 943 }
 944
 945 bool AccessibilityManager::AccessibilityActionBack()
 946 {
 947   Dali::Toolkit::AccessibilityManager handle( this );
 948   if( !mActionBackSignal.Empty() )
 949   {
 950     mActionBackSignal.Emit( handle );
 951   }
 952
 953   // TODO: Back to previous view
 954
 955   return mIsAccessibilityTtsEnabled;
 956 }
 957
 958 bool AccessibilityManager::AccessibilityActionScrollUp()
 959 {
 960   Dali::Toolkit::AccessibilityManager handle( this );
 961   if( !mActionScrollUpSignal.Empty() )
 962   {
 963     mActionScrollUpSignal.Emit( handle );
 964   }
 965
 966   bool ret = false;
 967
 968   if(mIsAccessibilityTtsEnabled)
 969   {
 970     Actor actor = GetCurrentFocusActor();
 971     if(actor)
 972     {
 973       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
 974       if(control)
 975       {
 976         // TODO: Notify the control to scroll up. Should control handle this?
 977 //        ret = GetImplementation( control ).OnAccessibilityScroll(Direction::UP);
 978       }
 979     }
 980   }
 981
 982   return ret;
 983 }
 984
 985 bool AccessibilityManager::AccessibilityActionScrollDown()
 986 {
 987   Dali::Toolkit::AccessibilityManager handle( this );
 988   if( !mActionScrollDownSignal.Empty() )
 989   {
 990     mActionScrollDownSignal.Emit( handle );
 991   }
 992
 993   bool ret = false;
 994
 995   if(mIsAccessibilityTtsEnabled)
 996   {
 997     Actor actor = GetCurrentFocusActor();
 998     if(actor)
 999     {
1000       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1001       if(control)
1002       {
1003         // TODO: Notify the control to scroll down. Should control handle this?
1004 //        ret = GetImplementation( control ).OnAccessibilityScrollDown(Direction::DOWN);
1005       }
1006     }
1007   }
1008
1009   return ret;
1010 }
1011
1012 bool AccessibilityManager::AccessibilityActionPageLeft()
1013 {
1014   Dali::Toolkit::AccessibilityManager handle( this );
1015   if( !mActionPageLeftSignal.Empty() )
1016   {
1017     mActionPageLeftSignal.Emit( handle );
1018   }
1019
1020   bool ret = false;
1021
1022   if(mIsAccessibilityTtsEnabled)
1023   {
1024     Actor actor = GetCurrentFocusActor();
1025     if(actor)
1026     {
1027       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1028       if(control)
1029       {
1030         // TODO: Notify the control to scroll left to the previous page. Should control handle this?
1031 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::LEFT);
1032       }
1033     }
1034   }
1035
1036   return ret;
1037 }
1038
1039 bool AccessibilityManager::AccessibilityActionPageRight()
1040 {
1041   Dali::Toolkit::AccessibilityManager handle( this );
1042   if( !mActionPageRightSignal.Empty() )
1043   {
1044     mActionPageRightSignal.Emit( handle );
1045   }
1046
1047   bool ret = false;
1048
1049   if(mIsAccessibilityTtsEnabled)
1050   {
1051     Actor actor = GetCurrentFocusActor();
1052     if(actor)
1053     {
1054       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1055       if(control)
1056       {
1057         // TODO: Notify the control to scroll right to the next page. Should control handle this?
1058 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::RIGHT);
1059       }
1060     }
1061   }
1062
1063   return ret;
1064 }
1065
1066 bool AccessibilityManager::AccessibilityActionPageUp()
1067 {
1068   Dali::Toolkit::AccessibilityManager handle( this );
1069   if( !mActionPageUpSignal.Empty() )
1070   {
1071     mActionPageUpSignal.Emit( handle );
1072   }
1073
1074   bool ret = false;
1075
1076   if(mIsAccessibilityTtsEnabled)
1077   {
1078     Actor actor = GetCurrentFocusActor();
1079     if(actor)
1080     {
1081       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1082       if(control)
1083       {
1084         // TODO: Notify the control to scroll up to the previous page. Should control handle this?
1085 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::UP);
1086       }
1087     }
1088   }
1089
1090   return ret;
1091 }
1092
1093 bool AccessibilityManager::AccessibilityActionPageDown()
1094 {
1095   Dali::Toolkit::AccessibilityManager handle( this );
1096   if( !mActionPageDownSignal.Empty() )
1097   {
1098     mActionPageDownSignal.Emit( handle );
1099   }
1100
1101   bool ret = false;
1102
1103   if(mIsAccessibilityTtsEnabled)
1104   {
1105     Actor actor = GetCurrentFocusActor();
1106     if(actor)
1107     {
1108       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1109       if(control)
1110       {
1111         // TODO: Notify the control to scroll down to the next page. Should control handle this?
1112 //        ret = GetImplementation( control ).OnAccessibilityScrollToPage(Direction::DOWN);
1113       }
1114     }
1115   }
1116
1117   return ret;
1118 }
1119
1120 bool AccessibilityManager::AccessibilityActionMoveToFirst()
1121 {
1122   Dali::Toolkit::AccessibilityManager handle( this );
1123   if( !mActionMoveToFirstSignal.Empty() )
1124   {
1125     mActionMoveToFirstSignal.Emit( handle );
1126   }
1127
1128   // TODO: Move to the first item on screen
1129
1130   return mIsAccessibilityTtsEnabled;
1131 }
1132
1133 bool AccessibilityManager::AccessibilityActionMoveToLast()
1134 {
1135   Dali::Toolkit::AccessibilityManager handle( this );
1136   if( !mActionMoveToLastSignal.Empty() )
1137   {
1138     mActionMoveToLastSignal.Emit( handle );
1139   }
1140
1141   // TODO: Move to the last item on screen
1142
1143   return mIsAccessibilityTtsEnabled;
1144 }
1145
1146 bool AccessibilityManager::AccessibilityActionReadFromTop()
1147 {
1148   Dali::Toolkit::AccessibilityManager handle( this );
1149   if( !mActionReadFromTopSignal.Empty() )
1150   {
1151     mActionReadFromTopSignal.Emit( handle );
1152   }
1153
1154   // TODO: Move to the top item on screen and read from the item continuously
1155
1156   return mIsAccessibilityTtsEnabled;
1157 }
1158
1159 bool AccessibilityManager::AccessibilityActionReadFromNext()
1160 {
1161   Dali::Toolkit::AccessibilityManager handle( this );
1162
1163   if( !mActionReadFromNextSignal.Empty() )
1164   {
1165     mActionReadFromNextSignal.Emit( handle );
1166   }
1167
1168   if( mIsAccessibilityTtsEnabled )
1169   {
1170     // Mark that we are in continuous play mode, so TTS signals can move focus.
1171     mContinuousPlayMode = true;
1172
1173     // Attempt to move to the next item and read from the item continuously.
1174     MoveFocusForward();
1175   }
1176
1177   return mIsAccessibilityTtsEnabled;
1178 }
1179
1180 void AccessibilityManager::TtsStateChanged( const Dali::TtsPlayer::State previousState, const Dali::TtsPlayer::State currentState )
1181 {
1182   if( mContinuousPlayMode )
1183   {
1184     // If we were playing and now we have stopped, attempt to play the next item.
1185     if( ( previousState == Dali::TtsPlayer::PLAYING ) && ( currentState == Dali::TtsPlayer::READY ) )
1186     {
1187       // Attempt to move the focus forward and play.
1188       // If we can't cancel continuous play mode.
1189       if( !MoveFocusForward() )
1190       {
1191         // We are done, exit continuous play mode.
1192         mContinuousPlayMode = false;
1193       }
1194     }
1195     else
1196     {
1197       // Unexpected play state change, exit continuous play mode.
1198       mContinuousPlayMode = false;
1199     }
1200   }
1201 }
1202
1203 bool AccessibilityManager::AccessibilityActionZoom()
1204 {
1205   Dali::Toolkit::AccessibilityManager handle( this );
1206   if( !mActionZoomSignal.Empty() )
1207   {
1208     mActionZoomSignal.Emit( handle );
1209   }
1210
1211   bool ret = false;
1212
1213   if(mIsAccessibilityTtsEnabled)
1214   {
1215     Actor actor = GetCurrentFocusActor();
1216     if(actor)
1217     {
1218       Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
1219       if(control)
1220       {
1221         // Notify the control to zoom
1222         ret = GetImplementation( control ).OnAccessibilityZoom();
1223       }
1224     }
1225   }
1226
1227   return ret;
1228 }
1229
1230 bool AccessibilityManager::AccessibilityActionReadIndicatorInformation()
1231 {
1232   Dali::Toolkit::AccessibilityManager handle( this );
1233   if( !mActionReadIndicatorInformationSignal.Empty() )
1234   {
1235     mActionReadIndicatorInformationSignal.Emit( handle );
1236   }
1237
1238   // TODO: Read the information in the indicator
1239
1240   return mIsAccessibilityTtsEnabled;
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 Integration::PanGestureEvent& panEvent)
1302 {
1303   bool handled = false;
1304
1305   if( panEvent.state == Gesture::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 ( Gesture::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(panEvent.state);
1331   pan.time = panEvent.time;
1332   pan.numberOfTouches = panEvent.numberOfTouches;
1333   pan.screenPosition = panEvent.currentPosition;
1334   pan.screenDisplacement = mPreviousPosition - panEvent.currentPosition;
1335   pan.screenVelocity.x = pan.screenDisplacement.x / panEvent.timeDelta;
1336   pan.screenVelocity.y = pan.screenDisplacement.y / panEvent.timeDelta;
1337
1338   // Only handle the pan gesture when the current focused actor is scrollable or within a scrollable actor
1339   while(mCurrentGesturedActor && mCurrentGesturedActor != rootActor && !handled)
1340   {
1341     Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(mCurrentGesturedActor);
1342     if(control)
1343     {
1344       Vector2 localCurrent;
1345       control.ScreenToLocal( localCurrent.x, localCurrent.y, panEvent.currentPosition.x, panEvent.currentPosition.y );
1346       pan.position = localCurrent;
1347
1348       Vector2 localPrevious;
1349       control.ScreenToLocal( localPrevious.x, localPrevious.y, mPreviousPosition.x, mPreviousPosition.y );
1350
1351       pan.displacement = localCurrent - localPrevious;
1352       pan.velocity.x = pan.displacement.x / panEvent.timeDelta;
1353       pan.velocity.y = pan.displacement.y / panEvent.timeDelta;
1354
1355       handled = GetImplementation( control ).OnAccessibilityPan(pan);
1356     }
1357
1358     // If the gesture is not handled by the control, check its parent
1359     if(!handled)
1360     {
1361       mCurrentGesturedActor = mCurrentGesturedActor.GetParent();
1362
1363       if(!mCurrentGesturedActor)
1364       {
1365         DALI_LOG_ERROR("no more gestured actor\n");
1366       }
1367     }
1368     else
1369     {
1370       // If handled, then update the pan gesture properties
1371       PanGestureDetector::SetPanGestureProperties( pan );
1372     }
1373   }
1374
1375   return handled;
1376 }
1377
1378 Toolkit::AccessibilityManager::FocusChangedSignalType& AccessibilityManager::FocusChangedSignal()
1379 {
1380   return mFocusChangedSignal;
1381 }
1382
1383 Toolkit::AccessibilityManager::FocusOvershotSignalType& AccessibilityManager::FocusOvershotSignal()
1384 {
1385   return mFocusOvershotSignal;
1386 }
1387
1388 Toolkit::AccessibilityManager::FocusedActorActivatedSignalType& AccessibilityManager::FocusedActorActivatedSignal()
1389 {
1390   return mFocusedActorActivatedSignal;
1391 }
1392
1393 } // namespace Internal
1394
1395 } // namespace Toolkit
1396
1397 } // namespace Dali