+/*
+ * Copyright (c) 2021 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// CLASS HEADER
+#include "accessible-impl.h"
+
+// EXTERNAL INCLUDES
+#include <dali/devel-api/actors/actor-devel.h>
+
+// INTERNAL INCLUDES
+#include <dali-toolkit/devel-api/asset-manager/asset-manager.h>
+#include <dali-toolkit/internal/controls/control/control-data-impl.h>
+#include <dali-toolkit/public-api/controls/control-impl.h>
+#include <dali-toolkit/public-api/controls/control.h>
+#include <dali-toolkit/public-api/controls/image-view/image-view.h>
+#include <dali-toolkit/public-api/focus-manager/keyboard-focus-manager.h>
+
+namespace Dali::Toolkit::DevelControl {
+
+AccessibleImpl::AccessibleImpl(Dali::Actor self, Dali::Accessibility::Role role, bool modal)
+: self(self),
+ modal(modal)
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation(control);
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get(internalControl);
+ if(controlImpl.mAccessibilityRole == Dali::Accessibility::Role::UNKNOWN)
+ controlImpl.mAccessibilityRole = role;
+
+ self.PropertySetSignal().Connect(&controlImpl, [this, &controlImpl](Dali::Handle& handle, Dali::Property::Index index, Dali::Property::Value value) {
+ if(this->self != Dali::Accessibility::Accessible::GetCurrentlyHighlightedActor())
+ {
+ return;
+ }
+
+ if(index == DevelControl::Property::ACCESSIBILITY_NAME || (index == GetNamePropertyIndex() && !controlImpl.mAccessibilityNameSet))
+ {
+ if(controlImpl.mAccessibilityGetNameSignal.Empty())
+ {
+ Emit(Dali::Accessibility::ObjectPropertyChangeEvent::NAME);
+ }
+ }
+
+ if(index == DevelControl::Property::ACCESSIBILITY_DESCRIPTION || (index == GetDescriptionPropertyIndex() && !controlImpl.mAccessibilityDescriptionSet))
+ {
+ if(controlImpl.mAccessibilityGetDescriptionSignal.Empty())
+ {
+ Emit(Dali::Accessibility::ObjectPropertyChangeEvent::DESCRIPTION);
+ }
+ }
+ });
+}
+
+std::string AccessibleImpl::GetName()
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation(control);
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get(internalControl);
+
+ if(!controlImpl.mAccessibilityGetNameSignal.Empty())
+ {
+ std::string ret;
+ controlImpl.mAccessibilityGetNameSignal.Emit(ret);
+ return ret;
+ }
+
+ if(controlImpl.mAccessibilityNameSet)
+ return controlImpl.mAccessibilityName;
+
+ if(auto raw = GetNameRaw(); !raw.empty())
+ return raw;
+
+ return self.GetProperty<std::string>(Actor::Property::NAME);
+}
+
+std::string AccessibleImpl::GetNameRaw()
+{
+ return {};
+}
+
+std::string AccessibleImpl::GetDescription()
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation(control);
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get(internalControl);
+
+ if(!controlImpl.mAccessibilityGetDescriptionSignal.Empty())
+ {
+ std::string ret;
+ controlImpl.mAccessibilityGetDescriptionSignal.Emit(ret);
+ return ret;
+ }
+
+ if(controlImpl.mAccessibilityDescriptionSet)
+ return controlImpl.mAccessibilityDescription;
+
+ return GetDescriptionRaw();
+}
+
+std::string AccessibleImpl::GetDescriptionRaw()
+{
+ return "";
+}
+
+Dali::Accessibility::Accessible* AccessibleImpl::GetParent()
+{
+ return Dali::Accessibility::Accessible::Get(self.GetParent());
+}
+
+size_t AccessibleImpl::GetChildCount()
+{
+ return self.GetChildCount();
+}
+
+Dali::Accessibility::Accessible* AccessibleImpl::GetChildAtIndex(size_t index)
+{
+ return Dali::Accessibility::Accessible::Get(self.GetChildAt(static_cast<unsigned int>(index)));
+}
+
+size_t AccessibleImpl::GetIndexInParent()
+{
+ auto s = self;
+ auto parent = s.GetParent();
+ DALI_ASSERT_ALWAYS(parent && "can't call GetIndexInParent on object without parent");
+ auto count = parent.GetChildCount();
+ for(auto i = 0u; i < count; ++i)
+ {
+ auto c = parent.GetChildAt(i);
+ if(c == s)
+ return i;
+ }
+ DALI_ASSERT_ALWAYS(false && "object isn't child of it's parent");
+ return static_cast<size_t>(-1);
+}
+
+Dali::Accessibility::Role AccessibleImpl::GetRole()
+{
+ return self.GetProperty<Dali::Accessibility::Role>(Toolkit::DevelControl::Property::ACCESSIBILITY_ROLE);
+}
+
+Dali::Accessibility::States AccessibleImpl::CalculateStates()
+{
+ Dali::Accessibility::States s;
+ s[Dali::Accessibility::State::FOCUSABLE] = self.GetProperty<bool>(Actor::Property::KEYBOARD_FOCUSABLE);
+ s[Dali::Accessibility::State::FOCUSED] = Toolkit::KeyboardFocusManager::Get().GetCurrentFocusActor() == self;
+ if(self.GetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE).GetType() == Dali::Property::NONE)
+ s[Dali::Accessibility::State::HIGHLIGHTABLE] = false;
+ else
+ s[Dali::Accessibility::State::HIGHLIGHTABLE] = self.GetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE).Get<bool>();
+ s[Dali::Accessibility::State::HIGHLIGHTED] = GetCurrentlyHighlightedActor() == self;
+ s[Dali::Accessibility::State::ENABLED] = true;
+ s[Dali::Accessibility::State::SENSITIVE] = true;
+ s[Dali::Accessibility::State::ANIMATED] = self.GetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_ANIMATED).Get<bool>();
+ s[Dali::Accessibility::State::VISIBLE] = true;
+ if(modal)
+ {
+ s[Dali::Accessibility::State::MODAL] = true;
+ }
+ s[Dali::Accessibility::State::SHOWING] = !self.GetProperty(Dali::DevelActor::Property::CULLED).Get<bool>() && self.GetCurrentProperty<bool>(Actor::Property::VISIBLE);
+
+ s[Dali::Accessibility::State::DEFUNCT] = !self.GetProperty(Dali::DevelActor::Property::CONNECTED_TO_SCENE).Get<bool>();
+ return s;
+}
+
+Dali::Accessibility::States AccessibleImpl::GetStates()
+{
+ return CalculateStates();
+}
+
+Dali::Accessibility::Attributes AccessibleImpl::GetAttributes()
+{
+ std::unordered_map<std::string, std::string> attribute_map;
+ auto q = Dali::Toolkit::Control::DownCast(self);
+ auto w =
+ q.GetProperty(Dali::Toolkit::DevelControl::Property::ACCESSIBILITY_ATTRIBUTES);
+ auto z = w.GetMap();
+
+ if(z)
+ {
+ auto map_size = z->Count();
+
+ for(unsigned int i = 0; i < map_size; i++)
+ {
+ auto map_key = z->GetKeyAt(i);
+ if(map_key.type == Dali::Property::Key::STRING)
+ {
+ std::string map_value;
+ if(z->GetValue(i).Get(map_value))
+ {
+ attribute_map.emplace(std::move(map_key.stringKey),
+ std::move(map_value));
+ }
+ }
+ }
+ }
+
+ return attribute_map;
+}
+
+Dali::Accessibility::ComponentLayer AccessibleImpl::GetLayer()
+{
+ return Dali::Accessibility::ComponentLayer::WINDOW;
+}
+
+Dali::Rect<> AccessibleImpl::GetExtents(Dali::Accessibility::CoordType ctype)
+{
+ Vector2 screenPosition =
+ self.GetProperty(Dali::DevelActor::Property::SCREEN_POSITION)
+ .Get<Vector2>();
+ auto size = self.GetCurrentProperty<Vector3>(Actor::Property::SIZE) * self.GetCurrentProperty<Vector3>(Actor::Property::WORLD_SCALE);
+ bool positionUsesAnchorPoint =
+ self.GetProperty(Dali::DevelActor::Property::POSITION_USES_ANCHOR_POINT)
+ .Get<bool>();
+ Vector3 anchorPointOffSet =
+ size * (positionUsesAnchorPoint ? self.GetCurrentProperty<Vector3>(Actor::Property::ANCHOR_POINT)
+ : AnchorPoint::TOP_LEFT);
+ Vector2 position = Vector2(screenPosition.x - anchorPointOffSet.x,
+ screenPosition.y - anchorPointOffSet.y);
+
+ return {position.x, position.y, size.x, size.y};
+}
+
+int16_t AccessibleImpl::GetMdiZOrder()
+{
+ return 0;
+}
+double AccessibleImpl::GetAlpha()
+{
+ return 0;
+}
+
+bool AccessibleImpl::GrabFocus()
+{
+ return Toolkit::KeyboardFocusManager::Get().SetCurrentFocusActor(self);
+}
+
+static Dali::Actor CreateHighlightIndicatorActor()
+{
+ std::string focusBorderImagePath(AssetManager::GetDaliImagePath());
+ focusBorderImagePath += "/keyboard_focus.9.png";
+ // Create the default if it hasn't been set and one that's shared by all the
+ // keyboard focusable actors
+ auto actor = Toolkit::ImageView::New(focusBorderImagePath);
+ actor.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
+ DevelControl::AppendAccessibilityAttribute(actor, "highlight", "");
+ actor.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_ANIMATED, true);
+ actor.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, false);
+
+ return actor;
+}
+
+bool AccessibleImpl::GrabHighlight()
+{
+ auto old = GetCurrentlyHighlightedActor();
+
+ if(!Dali::Accessibility::IsUp())
+ return false;
+ if(self == old)
+ return true;
+ if(old)
+ {
+ auto c = dynamic_cast<Dali::Accessibility::Component*>(Internal::Control::Impl::GetAccessibilityObject(old));
+ if(c)
+ c->ClearHighlight();
+ }
+ auto highlight = GetHighlightActor();
+ if(!highlight)
+ {
+ highlight = CreateHighlightIndicatorActor();
+ SetHighlightActor(highlight);
+ }
+ highlight.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ highlight.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ highlight.SetProperty(Actor::Property::POSITION_Z, 1.0f);
+ highlight.SetProperty(Actor::Property::POSITION, Vector2(0.0f, 0.0f));
+
+ EnsureSelfVisible();
+ self.Add(highlight);
+ SetCurrentlyHighlightedActor(self);
+ EmitHighlighted(true);
+
+ return true;
+}
+
+bool AccessibleImpl::ClearHighlight()
+{
+ if(!Dali::Accessibility::IsUp())
+ return false;
+ if(GetCurrentlyHighlightedActor() == self)
+ {
+ self.Remove(GetHighlightActor());
+ SetCurrentlyHighlightedActor({});
+ EmitHighlighted(false);
+ return true;
+ }
+ return false;
+}
+
+std::string AccessibleImpl::GetActionName(size_t index)
+{
+ if(index >= GetActionCount()) return "";
+ Dali::TypeInfo type;
+ self.GetTypeInfo(type);
+ DALI_ASSERT_ALWAYS(type && "no TypeInfo object");
+ return type.GetActionName(index);
+}
+
+std::string AccessibleImpl::GetLocalizedActionName(size_t index)
+{
+ // TODO: add localization
+ return GetActionName(index);
+}
+
+std::string AccessibleImpl::GetActionDescription(size_t index)
+{
+ return "";
+}
+
+size_t AccessibleImpl::GetActionCount()
+{
+ Dali::TypeInfo type;
+ self.GetTypeInfo(type);
+ DALI_ASSERT_ALWAYS(type && "no TypeInfo object");
+ return type.GetActionCount();
+}
+
+std::string AccessibleImpl::GetActionKeyBinding(size_t index)
+{
+ return "";
+}
+
+bool AccessibleImpl::DoAction(size_t index)
+{
+ std::string actionName = GetActionName(index);
+ return self.DoAction(actionName, {});
+}
+
+bool AccessibleImpl::DoAction(const std::string& name)
+{
+ return self.DoAction(name, {});
+}
+
+bool AccessibleImpl::DoGesture(const Dali::Accessibility::GestureInfo& gestureInfo)
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation(control);
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get(internalControl);
+
+ if(!controlImpl.mAccessibilityDoGestureSignal.Empty())
+ {
+ auto ret = std::make_pair(gestureInfo, false);
+ controlImpl.mAccessibilityDoGestureSignal.Emit(ret);
+ return ret.second;
+ }
+
+ return false;
+}
+
+std::vector<Dali::Accessibility::Relation> AccessibleImpl::GetRelationSet()
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation(control);
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get(internalControl);
+
+ std::vector<Dali::Accessibility::Relation> ret;
+
+ auto& v = controlImpl.mAccessibilityRelations;
+ for(auto i = 0u; i < v.size(); ++i)
+ {
+ if(v[i].empty())
+ continue;
+
+ ret.emplace_back(Accessibility::Relation{static_cast<Accessibility::RelationType>(i), v[i]});
+ }
+
+ return ret;
+}
+
+void AccessibleImpl::EnsureChildVisible(Actor child)
+{
+}
+
+void AccessibleImpl::EnsureSelfVisible()
+{
+ auto parent = dynamic_cast<AccessibleImpl*>(GetParent());
+ if(parent)
+ {
+ parent->EnsureChildVisible(self);
+ }
+}
+
+Dali::Property::Index AccessibleImpl::GetNamePropertyIndex()
+{
+ return Actor::Property::NAME;
+}
+
+Dali::Property::Index AccessibleImpl::GetDescriptionPropertyIndex()
+{
+ return Dali::Property::INVALID_INDEX;
+}
+
+} // namespace Dali::Toolkit::DevelControl