X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Fdevel-api%2Fadaptor-framework%2Faccessibility.cpp;h=f69c96cdc768806952b25f6658ba5a8ad6cb10ac;hb=HEAD;hp=7caed8e450ed3375a8c3e161c7e48f895d7e894f;hpb=bca8807cab8f86a80f680a394e81d03cdff5f5f4;p=platform%2Fcore%2Fuifw%2Fdali-adaptor.git

diff --git a/dali/devel-api/adaptor-framework/accessibility.cpp b/dali/devel-api/adaptor-framework/accessibility.cpp
index 7caed8e..6caf3d8 100644
--- a/dali/devel-api/adaptor-framework/accessibility.cpp
+++ b/dali/devel-api/adaptor-framework/accessibility.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020  Samsung Electronics Co., Ltd
+ * Copyright 2022  Samsung Electronics Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,18 +22,30 @@
 #include <dali/public-api/object/object-registry.h>
 #include <dali/public-api/object/type-info.h>
 #include <dali/public-api/object/type-registry-helper.h>
-#include <dali/public-api/object/weak-handle.h>
 #include <string_view>
 #include <unordered_map>
 
 // INTERNAL INCLUDES
 #include <dali/devel-api/adaptor-framework/accessibility-bridge.h>
+#include <dali/devel-api/adaptor-framework/actor-accessible.h>
 #include <dali/devel-api/adaptor-framework/proxy-accessible.h>
 #include <dali/devel-api/adaptor-framework/window-devel.h>
 #include <dali/devel-api/atspi-interfaces/accessible.h>
+#include <dali/devel-api/atspi-interfaces/action.h>
+#include <dali/devel-api/atspi-interfaces/application.h>
 #include <dali/devel-api/atspi-interfaces/collection.h>
 #include <dali/devel-api/atspi-interfaces/component.h>
+#include <dali/devel-api/atspi-interfaces/editable-text.h>
+#include <dali/devel-api/atspi-interfaces/hyperlink.h>
+#include <dali/devel-api/atspi-interfaces/hypertext.h>
+#include <dali/devel-api/atspi-interfaces/selection.h>
+#include <dali/devel-api/atspi-interfaces/socket.h>
+#include <dali/devel-api/atspi-interfaces/table-cell.h>
+#include <dali/devel-api/atspi-interfaces/table.h>
+#include <dali/devel-api/atspi-interfaces/text.h>
+#include <dali/devel-api/atspi-interfaces/value.h>
 #include <dali/internal/adaptor/common/adaptor-impl.h>
+#include <dali/internal/window-system/common/window-impl.h>
 #include <dali/public-api/dali-adaptor-common.h>
 
 using namespace Dali::Accessibility;
@@ -185,6 +197,102 @@ std::string Accessible::GetRoleName() const
   return std::string{it->second};
 }
 
+AtspiInterfaces Accessible::GetInterfaces() const
+{
+  if(!mInterfaces)
+  {
+    mInterfaces = DoGetInterfaces();
+    DALI_ASSERT_DEBUG(mInterfaces); // There has to be at least AtspiInterface::ACCESSIBLE
+  }
+
+  return mInterfaces;
+}
+
+std::vector<std::string> Accessible::GetInterfacesAsStrings() const
+{
+  std::vector<std::string> ret;
+  AtspiInterfaces          interfaces = GetInterfaces();
+
+  for(std::size_t i = 0u; i < static_cast<std::size_t>(AtspiInterface::MAX_COUNT); ++i)
+  {
+    auto interface = static_cast<AtspiInterface>(i);
+
+    if(interfaces[interface])
+    {
+      auto name = GetInterfaceName(interface);
+
+      DALI_ASSERT_DEBUG(!name.empty());
+      ret.emplace_back(std::move(name));
+    }
+  }
+
+  return ret;
+}
+
+AtspiInterfaces Accessible::DoGetInterfaces() const
+{
+  AtspiInterfaces interfaces;
+
+  interfaces[AtspiInterface::ACCESSIBLE]    = true;
+  interfaces[AtspiInterface::ACTION]        = dynamic_cast<const Action*>(this);
+  interfaces[AtspiInterface::APPLICATION]   = dynamic_cast<const Application*>(this);
+  interfaces[AtspiInterface::COLLECTION]    = dynamic_cast<const Collection*>(this);
+  interfaces[AtspiInterface::COMPONENT]     = dynamic_cast<const Component*>(this);
+  interfaces[AtspiInterface::EDITABLE_TEXT] = dynamic_cast<const EditableText*>(this);
+  interfaces[AtspiInterface::HYPERLINK]     = dynamic_cast<const Hyperlink*>(this);
+  interfaces[AtspiInterface::HYPERTEXT]     = dynamic_cast<const Hypertext*>(this);
+  interfaces[AtspiInterface::SELECTION]     = dynamic_cast<const Selection*>(this);
+  interfaces[AtspiInterface::SOCKET]        = dynamic_cast<const Socket*>(this);
+  interfaces[AtspiInterface::TABLE]         = dynamic_cast<const Table*>(this);
+  interfaces[AtspiInterface::TABLE_CELL]    = dynamic_cast<const TableCell*>(this);
+  interfaces[AtspiInterface::TEXT]          = dynamic_cast<const Text*>(this);
+  interfaces[AtspiInterface::VALUE]         = dynamic_cast<const Value*>(this);
+
+  return interfaces;
+}
+
+std::string Accessible::GetInterfaceName(AtspiInterface interface)
+{
+  static const std::unordered_map<AtspiInterface, std::string_view> interfaceMap{
+    {AtspiInterface::ACCESSIBLE, "org.a11y.atspi.Accessible"},
+    {AtspiInterface::ACTION, "org.a11y.atspi.Action"},
+    {AtspiInterface::APPLICATION, "org.a11y.atspi.Application"},
+    {AtspiInterface::CACHE, "org.a11y.atspi.Cache"},
+    {AtspiInterface::COLLECTION, "org.a11y.atspi.Collection"},
+    {AtspiInterface::COMPONENT, "org.a11y.atspi.Component"},
+    {AtspiInterface::DEVICE_EVENT_CONTROLLER, "org.a11y.atspi.DeviceEventController"},
+    {AtspiInterface::DEVICE_EVENT_LISTENER, "org.a11y.atspi.DeviceEventListener"},
+    {AtspiInterface::DOCUMENT, "org.a11y.atspi.Document"},
+    {AtspiInterface::EDITABLE_TEXT, "org.a11y.atspi.EditableText"},
+    {AtspiInterface::EVENT_DOCUMENT, "org.a11y.atspi.Event.Document"},
+    {AtspiInterface::EVENT_FOCUS, "org.a11y.atspi.Event.Focus"},
+    {AtspiInterface::EVENT_KEYBOARD, "org.a11y.atspi.Event.Keyboard"},
+    {AtspiInterface::EVENT_MOUSE, "org.a11y.atspi.Event.Mouse"},
+    {AtspiInterface::EVENT_OBJECT, "org.a11y.atspi.Event.Object"},
+    {AtspiInterface::EVENT_TERMINAL, "org.a11y.atspi.Event.Terminal"},
+    {AtspiInterface::EVENT_WINDOW, "org.a11y.atspi.Event.Window"},
+    {AtspiInterface::HYPERLINK, "org.a11y.atspi.Hyperlink"},
+    {AtspiInterface::HYPERTEXT, "org.a11y.atspi.Hypertext"},
+    {AtspiInterface::IMAGE, "org.a11y.atspi.Image"},
+    {AtspiInterface::REGISTRY, "org.a11y.atspi.Registry"},
+    {AtspiInterface::SELECTION, "org.a11y.atspi.Selection"},
+    {AtspiInterface::SOCKET, "org.a11y.atspi.Socket"},
+    {AtspiInterface::TABLE, "org.a11y.atspi.Table"},
+    {AtspiInterface::TABLE_CELL, "org.a11y.atspi.TableCell"},
+    {AtspiInterface::TEXT, "org.a11y.atspi.Text"},
+    {AtspiInterface::VALUE, "org.a11y.atspi.Value"},
+  };
+
+  auto it = interfaceMap.find(interface);
+
+  if(it == interfaceMap.end())
+  {
+    return {};
+  }
+
+  return std::string{it->second};
+}
+
 Dali::Actor Accessible::GetCurrentlyHighlightedActor()
 {
   return IsUp() ? Bridge::GetCurrentBridge()->mData->mCurrentlyHighlightedActor : Dali::Actor{};
@@ -198,6 +306,13 @@ void Accessible::SetCurrentlyHighlightedActor(Dali::Actor actor)
   }
 }
 
+bool Accessible::IsHighlighted() const
+{
+  Dali::Actor self = GetInternalActor();
+
+  return self && self == GetCurrentlyHighlightedActor();
+}
+
 Dali::Actor Accessible::GetHighlightActor()
 {
   return IsUp() ? Bridge::GetCurrentBridge()->mData->mHighlightActor : Dali::Actor{};
@@ -232,66 +347,21 @@ void Bridge::SetIsOnRootLevel(Accessible* owner)
 
 namespace
 {
-class AdaptorAccessible : public virtual Accessible, public virtual Collection, public virtual Component
+class AdaptorAccessible : public ActorAccessible
 {
-protected:
-  Dali::WeakHandle<Dali::Actor> mSelf;
-  bool                          mRoot = false;
+private:
+  std::unique_ptr<TriggerEventInterface> mRenderNotification = nullptr;
 
-  Dali::Actor Self() const
-  {
-    auto handle = mSelf.GetHandle();
-
-    // AdaptorAccessible is deleted on ObjectDestroyedSignal
-    // for the respective actor (see `nonControlAccessibles`).
-    DALI_ASSERT_ALWAYS(handle);
-
-    return handle;
-  }
+protected:
+  bool mRoot = false;
 
 public:
   AdaptorAccessible(Dali::Actor actor, bool isRoot)
-  : mSelf(actor),
+  : ActorAccessible(actor),
     mRoot(isRoot)
   {
   }
 
-  Dali::Rect<> GetExtents(Dali::Accessibility::CoordinateType type) const override
-  {
-    Dali::Actor actor                   = Self();
-    Vector2     screenPosition          = actor.GetProperty(Actor::Property::SCREEN_POSITION).Get<Vector2>();
-    Vector3     size                    = actor.GetCurrentProperty<Vector3>(Actor::Property::SIZE) * actor.GetCurrentProperty<Vector3>(Actor::Property::WORLD_SCALE);
-    bool        positionUsesAnchorPoint = actor.GetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT).Get<bool>();
-    Vector3     anchorPointOffSet       = size * (positionUsesAnchorPoint ? actor.GetCurrentProperty<Vector3>(Actor::Property::ANCHOR_POINT) : AnchorPoint::TOP_LEFT);
-    Vector2     position                = Vector2(screenPosition.x - anchorPointOffSet.x, screenPosition.y - anchorPointOffSet.y);
-
-    if(type == Dali::Accessibility::CoordinateType::WINDOW)
-    {
-      return {position.x, position.y, size.x, size.y};
-    }
-    else // Dali::Accessibility::CoordinateType::SCREEN
-    {
-      auto window         = Dali::DevelWindow::Get(actor);
-      auto windowPosition = window.GetPosition();
-      return {position.x + windowPosition.GetX(), position.y + windowPosition.GetY(), size.x, size.y};
-    }
-  }
-
-  Dali::Accessibility::ComponentLayer GetLayer() const override
-  {
-    return Dali::Accessibility::ComponentLayer::WINDOW;
-  }
-
-  int16_t GetMdiZOrder() const override
-  {
-    return 0;
-  }
-
-  double GetAlpha() const override
-  {
-    return 0;
-  }
-
   bool GrabFocus() override
   {
     return false;
@@ -299,70 +369,68 @@ public:
 
   bool GrabHighlight() override
   {
-    return false;
-  }
-
-  bool ClearHighlight() override
-  {
-    return false;
-  }
-
-  bool IsScrollable() const override
-  {
-    return false;
-  }
+    if(!IsUp())
+    {
+      return false;
+    }
 
-  std::string GetName() const override
-  {
-    return Self().GetProperty<std::string>(Dali::Actor::Property::NAME);
-  }
+    // Only window accessible is able to grab and clear highlight
+    if(!mRoot)
+    {
+      return false;
+    }
 
-  std::string GetDescription() const override
-  {
-    return "";
-  }
+    auto self                = Self();
+    auto oldHighlightedActor = GetCurrentlyHighlightedActor();
+    if(self == oldHighlightedActor)
+    {
+      return true;
+    }
 
-  Accessible* GetParent() override
-  {
-    if(IsOnRootLevel())
+    // Clear the old highlight.
+    if(oldHighlightedActor)
     {
-      auto data = GetBridgeData();
-      return data->mBridge->GetApplication();
+      auto oldHighlightedObject = Dali::Accessibility::Component::DownCast(Accessible::Get(oldHighlightedActor));
+      if(oldHighlightedObject)
+      {
+        oldHighlightedObject->ClearHighlight();
+      }
     }
-    return Get(Self().GetParent());
-  }
 
-  size_t GetChildCount() const override
-  {
-    return static_cast<size_t>(Self().GetChildCount());
+    SetCurrentlyHighlightedActor(self);
+
+    auto                             window     = Dali::DevelWindow::Get(self);
+    Dali::Internal::Adaptor::Window& windowImpl = Dali::GetImplementation(window);
+    windowImpl.EmitAccessibilityHighlightSignal(true);
+
+    return true;
   }
 
-  Accessible* GetChildAtIndex(size_t index) override
+  bool ClearHighlight() override
   {
-    auto numberOfChildren = static_cast<size_t>(Self().GetChildCount());
-    if(index >= numberOfChildren)
+    if(!IsUp())
     {
-      throw std::domain_error{"invalid index " + std::to_string(index) + " for object with " + std::to_string(numberOfChildren) + " children"};
+      return false;
     }
-    return Get(Self().GetChildAt(static_cast<unsigned int>(index)));
-  }
 
-  size_t GetIndexInParent() override
-  {
-    auto parent = Self().GetParent();
-    if(!parent)
+    // Only window accessible is able to grab and clear highlight
+    if(!mRoot)
     {
-      return 0;
+      return false;
     }
-    auto size = static_cast<size_t>(parent.GetChildCount());
-    for(auto i = 0u; i < size; ++i)
+
+    if(!IsHighlighted())
     {
-      if(parent.GetChildAt(i) == Self())
-      {
-        return i;
-      }
+      return false;
     }
-    throw std::domain_error{"actor is not a child of it's parent"};
+
+    SetCurrentlyHighlightedActor({});
+
+    auto                             window     = Dali::DevelWindow::Get(Self());
+    Dali::Internal::Adaptor::Window& windowImpl = Dali::GetImplementation(window);
+    windowImpl.EmitAccessibilityHighlightSignal(false);
+
+    return true;
   }
 
   Role GetRole() const override
@@ -383,22 +451,36 @@ public:
       state[State::VISIBLE]   = true;
       state[State::ACTIVE]    = visible;
     }
-    else
+    else if(GetParent())
     {
       auto parentState      = GetParent()->GetStates();
       state[State::SHOWING] = parentState[State::SHOWING];
       state[State::VISIBLE] = parentState[State::VISIBLE];
     }
+    else
+    {
+      state[State::SHOWING] = false;
+      state[State::VISIBLE] = false;
+    }
     return state;
   }
 
   Attributes GetAttributes() const override
   {
+    Attributes attributes;
+
+    if(mRoot)
+    {
+      Dali::Window                     window     = Dali::DevelWindow::Get(Self());
+      Dali::Internal::Adaptor::Window& windowImpl = Dali::GetImplementation(window);
+      attributes["resID"]                         = windowImpl.GetNativeResourceId();
+    }
+
     Dali::TypeInfo type;
     Self().GetTypeInfo(type);
-    return {
-      {"class", type.GetName()},
-    };
+    attributes["class"] = type.GetName();
+
+    return attributes;
   }
 
   bool DoGesture(const GestureInfo& gestureInfo) override
@@ -411,18 +493,49 @@ public:
     return {};
   }
 
-  Dali::Actor GetInternalActor() override
+  void SetListenPostRender(bool enabled) override
   {
-    return mSelf.GetHandle();
+    if(!mRoot)
+    {
+      return;
+    }
+
+    auto                             window     = Dali::DevelWindow::Get(Self());
+    Dali::Internal::Adaptor::Window& windowImpl = Dali::GetImplementation(window);
+
+    if(!mRenderNotification)
+    {
+      mRenderNotification = std::unique_ptr<TriggerEventInterface>(
+        TriggerEventFactory::CreateTriggerEvent(MakeCallback(this, &AdaptorAccessible::OnPostRender),
+                                                TriggerEventInterface::KEEP_ALIVE_AFTER_TRIGGER));
+    }
+
+    if(enabled)
+    {
+      windowImpl.SetRenderNotification(mRenderNotification.get());
+    }
+    else
+    {
+      windowImpl.SetRenderNotification(nullptr);
+    }
+  }
+
+  void OnPostRender()
+  {
+    Accessibility::Bridge::GetCurrentBridge()->EmitPostRender(shared_from_this());
   }
 }; // AdaptorAccessible
 
-using AdaptorAccessiblesType = std::unordered_map<const Dali::RefObject*, std::unique_ptr<AdaptorAccessible> >;
+using AdaptorAccessiblesType = std::unordered_map<const Dali::RefObject*, std::shared_ptr<AdaptorAccessible>>;
 
 // Save RefObject from an Actor in Accessible::Get()
-AdaptorAccessiblesType gAdaptorAccessibles;
+AdaptorAccessiblesType& GetAdaptorAccessibles()
+{
+  static AdaptorAccessiblesType gAdaptorAccessibles;
+  return gAdaptorAccessibles;
+}
 
-std::function<Accessible*(Dali::Actor)> convertingFunctor = [](Dali::Actor) -> Accessible* {
+std::function<std::shared_ptr<Accessible>(Dali::Actor)> convertingFunctor = [](Dali::Actor) -> std::shared_ptr<Accessible> {
   return nullptr;
 };
 
@@ -432,14 +545,17 @@ ObjectRegistry objectRegistry;
 void Accessible::SetObjectRegistry(ObjectRegistry registry)
 {
   objectRegistry = registry;
+  objectRegistry.ObjectDestroyedSignal().Connect([](const Dali::RefObject* obj) {
+    GetAdaptorAccessibles().erase(obj);
+  });
 }
 
-void Accessible::RegisterExternalAccessibleGetter(std::function<Accessible*(Dali::Actor)> functor)
+void Accessible::RegisterExternalAccessibleGetter(std::function<std::shared_ptr<Accessible>(Dali::Actor)> functor)
 {
   convertingFunctor = functor;
 }
 
-Accessible* Accessible::Get(Dali::Actor actor, bool isRoot)
+std::shared_ptr<Accessible> Accessible::GetOwningPtr(Dali::Actor actor)
 {
   if(!actor)
   {
@@ -449,19 +565,25 @@ Accessible* Accessible::Get(Dali::Actor actor, bool isRoot)
   auto accessible = convertingFunctor(actor);
   if(!accessible)
   {
-    if(gAdaptorAccessibles.empty() && objectRegistry)
-    {
-      objectRegistry.ObjectDestroyedSignal().Connect([](const Dali::RefObject* obj) {
-        gAdaptorAccessibles.erase(obj);
-      });
-    }
-    auto pair = gAdaptorAccessibles.emplace(&actor.GetBaseObject(), nullptr);
+    auto pair = GetAdaptorAccessibles().emplace(&actor.GetBaseObject(), nullptr);
     if(pair.second)
     {
+      bool                     isRoot = false;
+      Dali::Integration::Scene scene  = Dali::Integration::Scene::Get(actor);
+      if(scene)
+      {
+        isRoot = (actor == scene.GetRootLayer());
+      }
       pair.first->second.reset(new AdaptorAccessible(actor, isRoot));
     }
-    accessible = pair.first->second.get();
+    accessible = pair.first->second;
   }
 
   return accessible;
 }
+
+Accessible* Accessible::Get(Dali::Actor actor)
+{
+  auto accessible = Accessible::GetOwningPtr(actor);
+  return accessible ? accessible.get() : nullptr;
+}
\ No newline at end of file