Bug 822898 - Implement pointer events. Basic handling of Pointer Events. r=smaug

content/events/src/nsDOMEvent.cpp

@@ -145,6 +145,7 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsDOMEvent)
       case NS_MOUSE_SCROLL_EVENT:
       case NS_WHEEL_EVENT:
       case NS_SIMPLE_GESTURE_EVENT:
+      case NS_POINTER_EVENT:
         tmp->mEvent->AsMouseEventBase()->relatedTarget = nullptr;
         break;
       case NS_DRAG_EVENT: {
@@ -182,6 +183,7 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsDOMEvent)
       case NS_MOUSE_SCROLL_EVENT:
       case NS_WHEEL_EVENT:
       case NS_SIMPLE_GESTURE_EVENT:
+      case NS_POINTER_EVENT:
         NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mEvent->relatedTarget");
         cb.NoteXPCOMChild(tmp->mEvent->AsMouseEventBase()->relatedTarget);
         break;
@@ -738,6 +740,21 @@ nsDOMEvent::DuplicatePrivateData()
       newEvent = touchEvent;
       break;
     }
+    case NS_POINTER_EVENT:
+    {
+      WidgetPointerEvent* oldPointerEvent = mEvent->AsPointerEvent();
+      WidgetPointerEvent* pointerEvent =
+        new WidgetPointerEvent(false, msg, nullptr,
+                               oldPointerEvent->pointerId,
+                               oldPointerEvent->width,
+                               oldPointerEvent->height,
+                               oldPointerEvent->tiltX,
+                               oldPointerEvent->tiltY,
+                               oldPointerEvent->isPrimary);
+      pointerEvent->buttons = oldPointerEvent->buttons;
+      newEvent = pointerEvent;
+      break;
+    }
     default:
     {
       NS_WARNING("Unknown event type!!!");
@@ -1022,6 +1039,7 @@ nsDOMEvent::GetScreenCoords(nsPresContext* aPresContext,
        (aEvent->eventStructType != NS_MOUSE_EVENT &&
         aEvent->eventStructType != NS_MOUSE_SCROLL_EVENT &&
         aEvent->eventStructType != NS_WHEEL_EVENT &&
+        aEvent->eventStructType != NS_POINTER_EVENT &&
         aEvent->eventStructType != NS_TOUCH_EVENT &&
         aEvent->eventStructType != NS_DRAG_EVENT &&
         aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT)) {
@@ -1081,6 +1099,7 @@ nsDOMEvent::GetClientCoords(nsPresContext* aPresContext,
        aEvent->eventStructType != NS_WHEEL_EVENT &&
        aEvent->eventStructType != NS_TOUCH_EVENT &&
        aEvent->eventStructType != NS_DRAG_EVENT &&
+       aEvent->eventStructType != NS_POINTER_EVENT &&
        aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT) ||
       !aPresContext ||
       !aEvent->AsGUIEvent()->widget) {

content/events/src/nsDOMMouseEvent.cpp

@@ -62,6 +62,7 @@ nsDOMMouseEvent::InitMouseEvent(const nsAString & aType, bool aCanBubble, bool a
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT: {
       WidgetMouseEventBase* mouseEventBase = mEvent->AsMouseEventBase();
       mouseEventBase->relatedTarget = aRelatedTarget;
@@ -115,6 +116,7 @@ nsDOMMouseEvent::InitMouseEvent(const nsAString& aType,
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT:
       mEvent->AsInputEvent()->modifiers = modifiers;
       return NS_OK;
@@ -145,6 +147,7 @@ nsDOMMouseEvent::Constructor(const mozilla::dom::GlobalObject& aGlobal,
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT:
       e->mEvent->AsMouseEventBase()->buttons = aParam.mButtons;
       break;
@@ -192,6 +195,7 @@ nsDOMMouseEvent::Button()
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT:
       return mEvent->AsMouseEventBase()->button;
     default:
@@ -217,6 +221,7 @@ nsDOMMouseEvent::Buttons()
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT:
       return mEvent->AsMouseEventBase()->buttons;
     default:
@@ -242,6 +247,7 @@ nsDOMMouseEvent::GetRelatedTarget()
     case NS_MOUSE_SCROLL_EVENT:
     case NS_WHEEL_EVENT:
     case NS_DRAG_EVENT:
+    case NS_POINTER_EVENT:
     case NS_SIMPLE_GESTURE_EVENT:
       relatedTarget =
         do_QueryInterface(mEvent->AsMouseEventBase()->relatedTarget);

content/events/src/nsDOMUIEvent.cpp

@@ -119,6 +119,7 @@ nsDOMUIEvent::GetMovementPoint()
        mEvent->eventStructType != NS_MOUSE_SCROLL_EVENT &&
        mEvent->eventStructType != NS_WHEEL_EVENT &&
        mEvent->eventStructType != NS_DRAG_EVENT &&
+       mEvent->eventStructType != NS_POINTER_EVENT &&
        mEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT) ||
        !mEvent->AsGUIEvent()->widget) {
     return nsIntPoint(0, 0);
@@ -300,6 +301,7 @@ nsDOMUIEvent::GetLayerPoint() const
       (mEvent->eventStructType != NS_MOUSE_EVENT &&
        mEvent->eventStructType != NS_MOUSE_SCROLL_EVENT &&
        mEvent->eventStructType != NS_WHEEL_EVENT &&
+       mEvent->eventStructType != NS_POINTER_EVENT &&
        mEvent->eventStructType != NS_TOUCH_EVENT &&
        mEvent->eventStructType != NS_DRAG_EVENT &&
        mEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT) ||

content/events/src/nsDOMUIEvent.h

@@ -46,6 +46,7 @@ public:
          aEvent->eventStructType != NS_MOUSE_SCROLL_EVENT &&
          aEvent->eventStructType != NS_WHEEL_EVENT &&
          aEvent->eventStructType != NS_DRAG_EVENT &&
+         aEvent->eventStructType != NS_POINTER_EVENT &&
          aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT)) {
       return nsIntPoint(0, 0);
     }
@@ -71,6 +72,7 @@ public:
          aEvent->eventStructType != NS_MOUSE_SCROLL_EVENT &&
          aEvent->eventStructType != NS_WHEEL_EVENT &&
          aEvent->eventStructType != NS_DRAG_EVENT &&
+         aEvent->eventStructType != NS_POINTER_EVENT &&
          aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT) ||
         !aPresContext ||
         !aEvent->AsGUIEvent()->widget) {

layout/base/nsLayoutUtils.cpp

@@ -1469,6 +1469,7 @@ nsLayoutUtils::GetEventCoordinatesRelativeTo(const WidgetEvent* aEvent,
                   aEvent->eventStructType != NS_WHEEL_EVENT &&
                   aEvent->eventStructType != NS_DRAG_EVENT &&
                   aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT &&
+                  aEvent->eventStructType != NS_POINTER_EVENT &&
                   aEvent->eventStructType != NS_GESTURENOTIFY_EVENT &&
                   aEvent->eventStructType != NS_TOUCH_EVENT &&
                   aEvent->eventStructType != NS_QUERY_CONTENT_EVENT))

widget/shared/WidgetEventImpl.cpp

@@ -216,6 +216,7 @@ WidgetEvent::IsAllowedToDispatchDOMEvent() const
 {
   switch (eventStructType) {
     case NS_MOUSE_EVENT:
+    case NS_POINTER_EVENT:
       // We want synthesized mouse moves to cause mouseover and mouseout
       // DOM events (nsEventStateManager::PreHandleEvent), but not mousemove
       // DOM events.