*/
// EXTERNAL INCLUDES
+#include <dali/public-api/actors/layer.h>
+#include <dali/public-api/dali-adaptor-version.h>
+#include <dali/public-api/object/weak-handle.h>
#include <dali/public-api/signals/connection-tracker.h>
#include <memory>
+#include <tuple>
// INTERNAL INCLUDES
+#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/application.h>
+#include <dali/devel-api/atspi-interfaces/collection.h>
+#include <dali/devel-api/atspi-interfaces/socket.h>
#include <dali/internal/accessibility/bridge/accessibility-common.h>
-class AppAccessible : public virtual Dali::Accessibility::Accessible, public virtual Dali::Accessibility::Collection
+/**
+ * @brief The ApplicationAccessible class is to define Accessibility Application.
+ */
+class ApplicationAccessible : public virtual Dali::Accessibility::Accessible,
+ public virtual Dali::Accessibility::Application,
+ public virtual Dali::Accessibility::Collection,
+ public virtual Dali::Accessibility::Component,
+ public virtual Dali::Accessibility::Socket
{
public:
- Dali::Accessibility::EmptyAccessibleWithAddress parent;
- std::vector<Dali::Accessibility::Accessible*> children;
- std::string name;
+ Dali::Accessibility::ProxyAccessible mParent;
+ std::vector<Dali::Accessibility::Accessible*> mChildren;
+ std::string mName;
+ std::string mToolkitName{"dali"};
+ bool mIsEmbedded{false};
- std::string GetName() override
+ std::string GetName() const override
{
- return name;
+ return mName;
}
- std::string GetDescription() override
+ std::string GetDescription() const override
{
return "";
}
Dali::Accessibility::Accessible* GetParent() override
{
- return &parent;
+ return &mParent;
+ }
+
+ size_t GetChildCount() const override
+ {
+ return mChildren.size();
}
- size_t GetChildCount() override
+ std::vector<Dali::Accessibility::Accessible*> GetChildren() override
{
- return children.size();
+ return mChildren;
}
Dali::Accessibility::Accessible* GetChildAtIndex(size_t index) override
{
- auto s = children.size();
- if(index >= s)
- throw std::domain_error{"invalid index " + std::to_string(index) + " for object with " + std::to_string(s) + " children"};
- return children[index];
+ auto size = mChildren.size();
+ if(index >= size)
+ {
+ throw std::domain_error{"invalid index " + std::to_string(index) + " for object with " + std::to_string(size) + " children"};
+ }
+ return mChildren[index];
}
size_t GetIndexInParent() override
{
+ if(mIsEmbedded)
+ {
+ return 0u;
+ }
+
throw std::domain_error{"can't call GetIndexInParent on application object"};
}
- Dali::Accessibility::Role GetRole() override
+ Dali::Accessibility::Role GetRole() const override
{
return Dali::Accessibility::Role::APPLICATION;
}
Dali::Accessibility::States GetStates() override
{
- return {};
- }
+ Dali::Accessibility::States result;
- Dali::Accessibility::Attributes GetAttributes() override
- {
- return {};
+ for(auto* child : mChildren)
+ {
+ result = result | child->GetStates();
+ }
+
+ // The Application object should never have the SENSITIVE state
+ result[Dali::Accessibility::State::SENSITIVE] = false;
+
+ return result;
}
- Dali::Accessibility::Accessible* getActiveWindow()
+ /**
+ * @brief Gets the Accessible object from the window.
+ *
+ * @param[in] window The window to find
+ * @return Null if mChildren is empty, otherwise the Accessible object
+ * @note Currently, the default window would be returned when mChildren is not empty.
+ */
+ Dali::Accessibility::Accessible* GetWindowAccessible(Dali::Window window)
{
- return children.empty() ? nullptr : children[0];
+ if(mChildren.empty())
+ {
+ return nullptr;
+ }
+
+ Dali::Layer rootLayer = window.GetRootLayer();
+
+ // Find a child which is related to the window.
+ for(auto i = 0u; i < mChildren.size(); ++i)
+ {
+ if(rootLayer == mChildren[i]->GetInternalActor())
+ {
+ return mChildren[i];
+ }
+ }
+
+ // If can't find its children, return the default window.
+ return mChildren[0];
}
bool DoGesture(const Dali::Accessibility::GestureInfo& gestureInfo) override
return {};
}
- Dali::Accessibility::Address GetAddress() override
+ Dali::Actor GetInternalActor() override
+ {
+ return Dali::Actor{};
+ }
+
+ Dali::Accessibility::Address GetAddress() const override
{
return {"", "root"};
}
+
+ // Application
+
+ std::string GetToolkitName() const override
+ {
+ return mToolkitName;
+ }
+
+ std::string GetVersion() const override
+ {
+ return std::to_string(Dali::ADAPTOR_MAJOR_VERSION) + "." + std::to_string(Dali::ADAPTOR_MINOR_VERSION);
+ }
+
+ // Socket
+
+ Dali::Accessibility::Address Embed(Dali::Accessibility::Address plug) override
+ {
+ mIsEmbedded = true;
+ mParent.SetAddress(plug);
+
+ return GetAddress();
+ }
+
+ void Unembed(Dali::Accessibility::Address plug) override
+ {
+ if(mParent.GetAddress() == plug)
+ {
+ mIsEmbedded = false;
+ mParent.SetAddress({});
+ Dali::Accessibility::Bridge::GetCurrentBridge()->SetExtentsOffset(0, 0);
+ }
+ }
+
+ void SetOffset(std::int32_t x, std::int32_t y) override
+ {
+ if(!mIsEmbedded)
+ {
+ return;
+ }
+
+ Dali::Accessibility::Bridge::GetCurrentBridge()->SetExtentsOffset(x, y);
+ }
+
+ // Component
+
+ Dali::Rect<> GetExtents(Dali::Accessibility::CoordinateType type) const override
+ {
+ using limits = std::numeric_limits<float>;
+
+ float minX = limits::max();
+ float minY = limits::max();
+ float maxX = limits::min();
+ float maxY = limits::min();
+
+ for(Dali::Accessibility::Accessible* child : mChildren)
+ {
+ auto* component = Dali::Accessibility::Component::DownCast(child);
+ if(!component)
+ {
+ continue;
+ }
+
+ auto extents = component->GetExtents(type);
+
+ minX = std::min(minX, extents.x);
+ minY = std::min(minY, extents.y);
+ maxX = std::max(maxX, extents.x + extents.width);
+ maxY = std::max(maxY, extents.y + extents.height);
+ }
+
+ return {minX, minY, maxX - minX, maxY - minY};
+ }
+
+ Dali::Accessibility::ComponentLayer GetLayer() const override
+ {
+ return Dali::Accessibility::ComponentLayer::WINDOW;
+ }
+
+ std::int16_t GetMdiZOrder() const override
+ {
+ return 0;
+ }
+
+ bool GrabFocus() override
+ {
+ return false;
+ }
+
+ double GetAlpha() const override
+ {
+ return 0.0;
+ }
+
+ bool GrabHighlight() override
+ {
+ return false;
+ }
+
+ bool ClearHighlight() override
+ {
+ return false;
+ }
+
+ bool IsScrollable() const override
+ {
+ return false;
+ }
};
-enum class FilteredEvents
+/**
+ * @brief Enumeration for CoalescableMessages.
+ */
+enum class CoalescableMessages
{
- boundsChanged
+ BOUNDS_CHANGED, ///< Bounds changed
+ SET_OFFSET, ///< Set offset
};
+// Custom specialization of std::hash
namespace std
{
template<>
-struct hash<std::pair<FilteredEvents, Dali::Accessibility::Accessible*>>
+struct hash<std::pair<CoalescableMessages, Dali::Accessibility::Accessible*>>
{
- size_t operator()(std::pair<FilteredEvents, Dali::Accessibility::Accessible*> v) const
+ size_t operator()(std::pair<CoalescableMessages, Dali::Accessibility::Accessible*> value) const
{
- return (static_cast<size_t>(v.first) * 131) ^ reinterpret_cast<size_t>(v.second);
+ return (static_cast<size_t>(value.first) * 131) ^ reinterpret_cast<size_t>(value.second);
}
};
} // namespace std
+/**
+ * @brief The BridgeBase class is basic class for Bridge functions.
+ */
class BridgeBase : public Dali::Accessibility::Bridge, public Dali::ConnectionTracker
{
- std::unordered_map<std::pair<FilteredEvents, Dali::Accessibility::Accessible*>, std::pair<unsigned int, std::function<void()>>> filteredEvents;
+ std::map<std::pair<CoalescableMessages, Dali::Accessibility::Accessible*>, std::tuple<unsigned int, unsigned int, std::function<void()>>> mCoalescableMessages;
- bool tickFilteredEvents();
+ /**
+ * @brief Removes all CoalescableMessages using Tick signal.
+ *
+ * @return False if mCoalescableMessages is empty, otherwise true.
+ */
+ bool TickCoalescableMessages();
public:
- void addFilteredEvent(FilteredEvents kind, Dali::Accessibility::Accessible* obj, float delay, std::function<void()> functor);
-
+ /**
+ * @brief Adds CoalescableMessages, Accessible, and delay time to mCoalescableMessages.
+ *
+ * @param[in] kind CoalescableMessages enum value
+ * @param[in] obj Accessible object
+ * @param[in] delay The delay time
+ * @param[in] functor The function to be called // NEED TO UPDATE!
+ */
+ void AddCoalescableMessage(CoalescableMessages kind, Dali::Accessibility::Accessible* obj, float delay, std::function<void()> functor);
+
+ /**
+ * @brief Callback when the visibility of the window is changed.
+ *
+ * @param[in] window The window to be changed
+ * @param[in] visible The visibility of the window
+ */
+ void OnWindowVisibilityChanged(Dali::Window window, bool visible);
+
+ /**
+ * @brief Callback when the window focus is changed.
+ *
+ * @param[in] window The window whose focus is changed
+ * @param[in] focusIn Whether the focus is in/out
+ */
+ void OnWindowFocusChanged(Dali::Window window, bool focusIn);
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::GetBusName()
+ */
const std::string& GetBusName() const override;
- void AddTopLevelWindow(Dali::Accessibility::Accessible* window) override;
- void RemoveTopLevelWindow(Dali::Accessibility::Accessible* window) override;
- void AddPopup(Dali::Accessibility::Accessible*) override;
- void RemovePopup(Dali::Accessibility::Accessible*) override;
+ /**
+ * @copydoc Dali::Accessibility::Bridge::AddTopLevelWindow()
+ */
+ void AddTopLevelWindow(Dali::Accessibility::Accessible* windowAccessible) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::RemoveTopLevelWindow()
+ */
+ void RemoveTopLevelWindow(Dali::Accessibility::Accessible* windowAccessible) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::RegisterDefaultLabel()
+ */
+ void RegisterDefaultLabel(Dali::Accessibility::Accessible* object) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::UnregisterDefaultLabel()
+ */
+ void UnregisterDefaultLabel(Dali::Accessibility::Accessible* object) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::GetDefaultLabel()
+ */
+ Dali::Accessibility::Accessible* GetDefaultLabel(Dali::Accessibility::Accessible* root) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::GetApplication()
+ */
Dali::Accessibility::Accessible* GetApplication() const override
{
- return &application;
+ return &mApplication;
}
+ /**
+ * @brief Adds function to dbus interface.
+ */
template<typename SELF, typename... RET, typename... ARGS>
void AddFunctionToInterface(
DBus::DBusInterfaceDescription& desc, const std::string& funcName, DBus::ValueOrError<RET...> (SELF::*funcPtr)(ARGS...))
{
if(auto self = dynamic_cast<SELF*>(this))
- desc.addMethod<DBus::ValueOrError<RET...>(ARGS...)>(funcName,
- [=](ARGS... args) -> DBus::ValueOrError<RET...> {
- try
- {
- return (self->*funcPtr)(std::move(args)...);
- }
- catch(std::domain_error& e)
- {
- return DBus::Error{e.what()};
- }
- });
+ desc.addMethod<DBus::ValueOrError<RET...>(ARGS...)>(
+ funcName,
+ [=](ARGS... args) -> DBus::ValueOrError<RET...> {
+ try
+ {
+ return (self->*funcPtr)(std::move(args)...);
+ }
+ catch(std::domain_error& e)
+ {
+ return DBus::Error{e.what()};
+ }
+ });
}
+ /**
+ * @brief Adds 'Get' property to dbus interface.
+ */
template<typename T, typename SELF>
void AddGetPropertyToInterface(DBus::DBusInterfaceDescription& desc,
const std::string& funcName,
{});
}
+ /**
+ * @brief Adds 'Set' property to dbus interface.
+ */
template<typename T, typename SELF>
void AddSetPropertyToInterface(DBus::DBusInterfaceDescription& desc,
const std::string& funcName,
});
}
+ /**
+ * @brief Adds 'Set' and 'Get' properties to dbus interface.
+ */
template<typename T, typename T1, typename SELF>
void AddGetSetPropertyToInterface(DBus::DBusInterfaceDescription& desc,
const std::string& funcName,
}
});
}
+
+ /**
+ * @brief Adds 'Get' and 'Set' properties to dbus interface.
+ */
template<typename T, typename T1, typename SELF>
void AddGetSetPropertyToInterface(DBus::DBusInterfaceDescription& desc,
const std::string& funcName,
}
});
}
+
+ /**
+ * @brief Gets the string of the path excluding the specified prefix.
+ *
+ * @param path The path to get
+ * @return The string stripped of the specific prefix
+ */
static std::string StripPrefix(const std::string& path);
+ /**
+ * @brief Finds the Accessible object according to the path.
+ *
+ * @param[in] path The path for Accessible object
+ * @return The Accessible object corresponding to the path
+ */
Dali::Accessibility::Accessible* Find(const std::string& path) const;
+
+ /**
+ * @brief Finds the Accessible object with the given address.
+ *
+ * @param[in] ptr The unique Address of the object
+ * @return The Accessible object corresponding to the path
+ */
Dali::Accessibility::Accessible* Find(const Dali::Accessibility::Address& ptr) const;
- Dali::Accessibility::Accessible* FindSelf() const;
+
+ /**
+ * @brief Returns the target object of the currently executed DBus method call.
+ *
+ * @return The Accessible object
+ * @note When a DBus method is called on some object, this target object (`currentObject`) is temporarily saved by the bridge,
+ * because DBus handles the invocation target separately from the method arguments.
+ * We then use the saved object inside the 'glue' method (e.g. BridgeValue::GetMinimum)
+ * to call the equivalent method on the respective C++ object (this could be ScrollBar::AccessibleImpl::GetMinimum in the example given).
+ */
+ Dali::Accessibility::Accessible* FindCurrentObject() const;
+
+ /**
+ * @brief Returns the target object of the currently executed DBus method call.
+ *
+ * This method tries to downcast the return value of FindCurrentObject() to the requested type,
+ * issuing an error reply to the DBus caller if the requested type is not implemented. Whether
+ * a given type is implemented is decided based on the return value of Accessible::GetInterfaces()
+ * for the current object.
+ *
+ * @tparam I The requested AT-SPI interface
+ * @return The Accessible object (cast to a more derived type)
+ *
+ * @see FindCurrentObject()
+ * @see Dali::Accessibility::AtspiInterface
+ * @see Dali::Accessibility::AtspiInterfaceType
+ * @see Dali::Accessibility::Accessible::GetInterfaces()
+ */
+ template<Dali::Accessibility::AtspiInterface I>
+ auto* FindCurrentObjectWithInterface() const
+ {
+ using Type = Dali::Accessibility::AtspiInterfaceType<I>;
+
+ Type* result;
+ auto* currentObject = FindCurrentObject();
+ DALI_ASSERT_DEBUG(currentObject); // FindCurrentObject() throws domain_error
+
+ if(!(result = Dali::Accessibility::Accessible::DownCast<I>(currentObject)))
+ {
+ std::stringstream s;
+
+ s << "Object " << currentObject->GetAddress().ToString();
+ s << " does not implement ";
+ s << Dali::Accessibility::Accessible::GetInterfaceName(I);
+
+ throw std::domain_error{s.str()};
+ }
+
+ return result;
+ }
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::FindByPath()
+ */
Dali::Accessibility::Accessible* FindByPath(const std::string& name) const override;
- void SetApplicationName(std::string name) override
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::SetApplicationName()
+ */
+ void SetApplicationName(std::string name) override
{
- application.name = std::move(name);
+ mApplication.mName = std::move(name);
+ }
+
+ /**
+ * @copydoc Dali::Accessibility::Bridge::SetToolkitName()
+ */
+ void SetToolkitName(std::string_view toolkitName) override
+ {
+ mApplication.mToolkitName = std::string{toolkitName};
}
protected:
- mutable AppAccessible application;
- std::vector<Dali::Accessibility::Accessible*> popups;
+ // We use a weak handle in order not to keep a window alive forever if someone forgets to UnregisterDefaultLabel()
+ using DefaultLabelType = std::pair<Dali::WeakHandle<Dali::Window>, Dali::Accessibility::Accessible*>;
+ using DefaultLabelsType = std::list<DefaultLabelType>;
+
+ mutable ApplicationAccessible mApplication;
+ DefaultLabelsType mDefaultLabels;
+ bool mIsScreenReaderSuppressed = false;
private:
- void IdSet(int id);
- int IdGet();
+ /**
+ * @brief Sets an ID.
+ * @param[in] id An ID (integer value)
+ */
+ void SetId(int id);
+
+ /**
+ * @brief Gets the ID.
+ * @return The ID to be set
+ */
+ int GetId();
+
+ /**
+ * @brief Update registered events.
+ */
+ void UpdateRegisteredEvents();
using CacheElementType = std::tuple<
Dali::Accessibility::Address,
Dali::Accessibility::Role,
std::string,
std::array<uint32_t, 2>>;
+
+ /**
+ * @brief Gets Items // NEED TO UPDATE!
+ *
+ * @return
+ */
DBus::ValueOrError<std::vector<CacheElementType>> GetItems();
- CacheElementType CreateCacheElement(Dali::Accessibility::Accessible* item);
+
+ /**
+ * @brief Creates CacheElement.
+ *
+ * CreateCacheElement method works for GetItems which is a part of ATSPI protocol.
+ * ATSPI client library (libatspi from at-spi2-core) depending on cacheing policy configuration uses GetItems
+ * to pre-load entire accessible tree from application to its own cache in single dbus call.
+ * Otherwise the particular nodes in a tree are cached lazily when client library tries to access them.
+ * @param item Accessible to get information
+ * @return The elements to be cached
+ */
+ CacheElementType CreateCacheElement(Dali::Accessibility::Accessible* item);
+
+ /**
+ * @brief Removes expired elements from the default label collection.
+ */
+ void CompressDefaultLabels();
+
+ /**
+ * @brief Gets the window to which this accessible belongs (or an empty handle).
+ *
+ * @param accessible The accessible
+ * @return The window
+ */
+ static Dali::WeakHandle<Dali::Window> GetWindow(Dali::Accessibility::Accessible* accessible);
protected:
BridgeBase();
virtual ~BridgeBase();
+ /**
+ * @copydoc Dali::Accessibility::Bridge::ForceUp()
+ */
ForceUpResult ForceUp() override;
- void ForceDown() override;
- DBus::DBusServer dbusServer;
- DBusWrapper::ConnectionPtr con;
- int id = 0;
+ /**
+ * @copydoc Dali::Accessibility::Bridge::ForceDown()
+ */
+ void ForceDown() override;
+
+ DBus::DBusServer mDbusServer;
+ DBusWrapper::ConnectionPtr mConnectionPtr;
+ int mId = 0;
+ DBus::DBusClient mRegistry;
+ bool IsBoundsChangedEventAllowed{false};
};
#endif // DALI_INTERNAL_ACCESSIBILITY_BRIDGE_BASE_H
projects / platform / core / uifw / dali-adaptor.git / blobdiff