From 0730f2910f0593c779345f49e92723a9c8c3458f Mon Sep 17 00:00:00 2001
From: "joogab.yun" <joogab.yun@samsung.com>
Date: Wed, 27 Sep 2023 14:56:47 +0900
Subject: [PATCH] When a touch-up occurs, a hover-down event is generated.

Change-Id: Ia1bafd5250992a6337efcc1ceb935b93e9aa4bb4
---
 .../src/dali/utc-Dali-TouchEventCombiner.cpp       | 55 ++++++++++++++++++++++
 .../events/touch-event-combiner.cpp                | 10 ++++
 2 files changed, 65 insertions(+)

diff --git a/automated-tests/src/dali/utc-Dali-TouchEventCombiner.cpp b/automated-tests/src/dali/utc-Dali-TouchEventCombiner.cpp
index 1b6eb75..f9664c4 100644
--- a/automated-tests/src/dali/utc-Dali-TouchEventCombiner.cpp
+++ b/automated-tests/src/dali/utc-Dali-TouchEventCombiner.cpp
@@ -911,3 +911,58 @@ int UtcDaliTouchEventCombinerInvalidState(void)
   }
   END_TEST;
 }
+
+int UtcDaliTouchEventCombinerHoverDownAfterTouchUp(void)
+{
+  TouchEventCombiner combiner;
+  unsigned long      time(0u);
+
+  // Motion event
+  {
+    Integration::TouchEvent touchEvent;
+    Integration::HoverEvent hoverEvent;
+    Integration::Point      point = GeneratePoint(1, PointState::MOTION, 100.0f, 100.0f);
+    point.SetDeviceClass(Device::Class::Type::MOUSE);
+
+    DALI_TEST_EQUALS(Integration::TouchEventCombiner::DISPATCH_HOVER, combiner.GetNextTouchEvent(point, time, touchEvent, hoverEvent), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.GetPointCount(), 1u, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetDeviceId(), point.GetDeviceId(), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetState(), PointState::STARTED, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetScreenPosition(), point.GetScreenPosition(), TEST_LOCATION);
+  }
+
+
+  time++;
+
+  // down event
+  {
+    Integration::TouchEvent touchEvent;
+    Integration::HoverEvent hoverEvent;
+    Integration::Point      point = GeneratePoint(1, PointState::DOWN, 100.0f, 100.0f);
+    point.SetDeviceClass(Device::Class::Type::MOUSE);
+
+    DALI_TEST_EQUALS(Integration::TouchEventCombiner::DISPATCH_BOTH, combiner.GetNextTouchEvent(point, time, touchEvent, hoverEvent), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.GetPointCount(), 1u, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetDeviceId(), point.GetDeviceId(), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetState(), PointState::FINISHED, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetScreenPosition(), point.GetScreenPosition(), TEST_LOCATION);
+  }
+
+  time++;
+
+  // up event
+  {
+    Integration::TouchEvent touchEvent;
+    Integration::HoverEvent hoverEvent;
+    Integration::Point      point = GeneratePoint(1, PointState::UP, 103.0f, 103.0f);
+    point.SetDeviceClass(Device::Class::Type::MOUSE);
+
+    DALI_TEST_EQUALS(Integration::TouchEventCombiner::DISPATCH_BOTH, combiner.GetNextTouchEvent(point, time, touchEvent, hoverEvent), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.GetPointCount(), 1u, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetDeviceId(), point.GetDeviceId(), TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetState(), PointState::DOWN, TEST_LOCATION);
+    DALI_TEST_EQUALS(hoverEvent.points[0].GetScreenPosition(), point.GetScreenPosition(), TEST_LOCATION);
+  }
+
+  END_TEST;
+}
diff --git a/dali/integration-api/events/touch-event-combiner.cpp b/dali/integration-api/events/touch-event-combiner.cpp
index 9aa64a8..7423590 100644
--- a/dali/integration-api/events/touch-event-combiner.cpp
+++ b/dali/integration-api/events/touch-event-combiner.cpp
@@ -188,6 +188,16 @@ TouchEventCombiner::EventDispatchType TouchEventCombiner::GetNextTouchEvent(cons
             iter = mHoveredPoints.erase(iter);
           }
         }
+
+        if(deviceType == Device::Class::Type::MOUSE)
+        {
+          hoverEvent.time = time;
+          Point hoverPoint(point);
+          hoverPoint.SetState(PointState::STARTED); // The first hover event received
+          mHoveredPoints.push_back(PointInfo(hoverPoint, time));
+          hoverEvent.AddPoint(hoverPoint);
+          dispatchEvent = TouchEventCombiner::DISPATCH_BOTH;
+        }
       }
       break;
     }
-- 
2.7.4