#define DALI_INTERNAL_EVENT_HANDLER_H
/*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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.
#include <cstdint> // uint32_t
#include <dali/public-api/common/intrusive-ptr.h>
-#include <dali/integration-api/events/key-event-integ.h>
-#include <dali/integration-api/events/point.h>
-#include <dali/integration-api/events/touch-event-combiner.h>
#include <dali/devel-api/adaptor-framework/clipboard.h>
#include <dali/devel-api/adaptor-framework/style-monitor.h>
// INTERNAL INCLUDES
#include <dali/internal/accessibility/common/accessibility-adaptor-impl.h>
#include <dali/internal/clipboard/common/clipboard-event-notifier-impl.h>
-#include <dali/internal/system/common/core-event-interface.h>
#include <dali/internal/window-system/common/damage-observer.h>
-#include <dali/internal/window-system/common/rotation-observer.h>
#include <dali/internal/window-system/common/window-base.h>
namespace Dali
namespace Integration
{
-class RenderSurface;
-class Scene;
+struct Point;
+struct KeyEvent;
+struct WheelEvent;
+
}
namespace Internal
namespace Adaptor
{
-class GestureManager;
class StyleMonitor;
+class WindowRenderSurface;
/**
* The Event Handler class is responsible for setting up receiving of Ecore events and then converts them
public:
/**
- * Constructor.
- * @param[in] scene The scene where events will be sent to.
- * @param[in] coreEventInterface Used to send events to Core.
- * @param[in] damageObserver The damage observer (to pass damage events to).
+ * The observer can be overridden in order to listen to the events.
*/
- EventHandler( Dali::Integration::Scene scene, CoreEventInterface& coreEventInterface, DamageObserver& damageObserver );
+ class Observer
+ {
+ public:
- /**
- * Destructor.
- */
- ~EventHandler();
+ /**
+ * Deriving classes should override this to be notified when we receive a touch point event.
+ * @param[in] point The touch point
+ * @param[in] timeStamp The time stamp
+ */
+ virtual void OnTouchPoint( Dali::Integration::Point& point, int timeStamp ) = 0;
- /**
- * Feed (Send) touch event to core and gesture manager
- * @param[in] touchEvent The touch event holding the touch point information.
- */
- void FeedTouchPoint( TouchPoint& point, uint32_t timeStamp );
+ /**
+ * Deriving classes should override this to be notified when we receive a wheel event.
+ * @param[in] wheelEvent The wheel event
+ */
+ virtual void OnWheelEvent( Dali::Integration::WheelEvent& wheelEvent ) = 0;
- /**
- * Feed (Send) wheel event to core and gesture manager
- * @param[in] wheelEvent The wheel event
- */
- void FeedWheelEvent( WheelEvent& wheelEvent );
+ /**
+ * Deriving classes should override this to be notified when we receive a key event.
+ * @param[in] keyEvent The key event holding the key information.
+ */
+ virtual void OnKeyEvent( Dali::Integration::KeyEvent& keyEvent ) = 0;
+
+ /**
+ * Deriving classes should override this to be notified when the window is rotated.
+ * @param[in] rotation The rotation event.
+ */
+ virtual void OnRotation( const RotationEvent& rotation ) = 0;
+
+ protected:
+
+ /**
+ * Protected Constructor.
+ */
+ Observer() {}
+
+ /**
+ * Protected virtual destructor.
+ */
+ virtual ~Observer() {}
+ };
+
+public:
/**
- * Feed (Send) key event to core
- * @param[in] keyEvent The key event holding the key information.
+ * Constructor.
+ * @param[in] windowBase The window base to be handled
+ * @param[in] damageObserver The damage observer (to pass damage events to).
*/
- void FeedKeyEvent( KeyEvent& keyEvent );
+ EventHandler( WindowBase* windowBase, DamageObserver& damageObserver );
/**
- * Feed (Send) an event to core
- * @param[in] event The event information.
+ * Destructor.
*/
- void FeedEvent( Integration::Event& event );
+ ~EventHandler() override;
/**
* Called when the adaptor is paused.
void Resume();
/**
- * Set the rotation observer (note, some adaptors may not have a rotation observer)
- * @param[in] observer The rotation observer
- */
- void SetRotationObserver( RotationObserver* observer );
-
-private:
-
- /**
- * Send touch event to core.
- * @param[in] point The touch point information.
- * @param[in] timeStamp The time the touch occurred.
+ * Adds an observer so that we can observe the events.
+ * @param[in] observer The observer.
*/
- void SendEvent(Integration::Point& point, uint32_t timeStamp);
+ void AddObserver( Observer& observer );
/**
- * Send key event to core.
- * @param[in] keyEvent The KeyEvent to send.
+ * Removes the observer from the EventHandler.
+ * @param[in] observer The observer to remove.
+ * @note Observers should remove themselves when they are destroyed.
*/
- void SendEvent(Integration::KeyEvent& keyEvent);
+ void RemoveObserver( Observer& observer );
- /**
- * Send wheel event to core.
- * @param[in] wheelEvent The wheel event
- */
- void SendWheelEvent( WheelEvent& wheelEvent );
+private:
/**
* Send a style change event to the style monitor.
void SendEvent( const DamageArea& area );
/**
- * Inform rotation observer of rotation prepare event
- * @param[in] rotation The rotation event
- */
- void SendRotationPrepareEvent( const RotationEvent& rotation );
-
- /**
- * Inform rotation observer of rotation prepare event
- */
- void SendRotationRequestEvent();
-
- /**
- * Resets the event handler.
- * Called when the adaptor is paused or resumed.
- */
- void Reset();
-
- /**
* Called when a touch event is received.
*/
void OnTouchEvent( Integration::Point& point, uint32_t timeStamp );
/**
* Called when a mouse wheel is received.
*/
- void OnWheelEvent( WheelEvent& wheelEvent );
+ void OnWheelEvent( Integration::WheelEvent& wheelEvent );
/**
* Called when a key event is received.
void OnFocusChanged( bool focusIn );
/**
+ * Called when the window is rotated.
+ * @param[in] event The rotation event
+ */
+ void OnRotation( const RotationEvent& event );
+
+ /**
* Called when the window is damaged.
*/
void OnWindowDamaged( const DamageArea& area );
private:
- /**
- * Convert touch event position
- */
- void ConvertTouchPosition( Integration::Point& point );
-
-private:
-
// Undefined
EventHandler( const EventHandler& eventHandler );
private:
- Dali::Integration::Scene mScene; ///< The scene the event handler is created for.
- CoreEventInterface& mCoreEventInterface; ///< Used to send events to Core.
- Dali::Integration::TouchEventCombiner mCombiner; ///< Combines multi-touch events.
Dali::StyleMonitor mStyleMonitor; ///< Handle to the style monitor, set on construction, to send font size and font change events to.
DamageObserver& mDamageObserver; ///< Reference to the DamageObserver, set on construction, to sent damage events to.
- RotationObserver* mRotationObserver; ///< Pointer to rotation observer, if present.
Dali::AccessibilityAdaptor mAccessibilityAdaptor; ///< Pointer to the accessibility adaptor
Dali::ClipboardEventNotifier mClipboardEventNotifier; ///< Pointer to the clipboard event notifier
Dali::Clipboard mClipboard;///< Pointer to the clipboard
- int mRotationAngle;
- int mWindowWidth;
- int mWindowHeight;
+ using ObserverContainer = std::vector<Observer*>;
+ ObserverContainer mObservers; ///< A list of event observer pointers
bool mPaused; ///< The paused state of the adaptor.
};
projects / platform / core / uifw / dali-adaptor.git / blobdiff