Fix properties of got/lostpointercapture

third_party/WebKit/Source/core/input/PointerEventManager.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/input/PointerEventManager.h"
 
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/FrameView.h"
@@ skipping 510 matching lines @@
     Node* relatedTarget,
     Node* lastNodeUnderMouse,
     Node** newNodeUnderMouse)
 {
     PointerEvent* pointerEvent =
         m_pointerEventFactory.create(mouseEventType, mouseEvent,
         relatedTarget, m_frame->document()->domWindow());
 
     // This is for when the mouse is released outside of the page.
     if (pointerEvent->type() == EventTypeNames::pointermove
-        && !pointerEvent->buttons()
-        && pointerEvent->isPrimary()) {
-        m_preventMouseEventForPointerType[toPointerTypeIndex(
-            mouseEvent.pointerProperties().pointerType)] = false;
+        && !pointerEvent->buttons()) {
+
+        releasePointerCapture(pointerEvent->pointerId());
+        // Send got/lostpointercapture rightaway if necessary.
+        processPendingPointerCapture(pointerEvent);
+
+        if (pointerEvent->isPrimary()) {
+            m_preventMouseEventForPointerType[toPointerTypeIndex(
+                mouseEvent.pointerProperties().pointerType)] = false;
+        }
     }
 
     EventTarget* pointerEventTarget = processCaptureAndPositionOfPointerEvent(pointerEvent, target,
         lastNodeUnderMouse, mouseEvent, true, true);
 
     if (pointerEventTarget) {
         // This is to prevent incorrect boundary events if capturing transition was
         // delayed.
         *newNodeUnderMouse = pointerEventTarget->toNode();
         DCHECK(*newNodeUnderMouse);
@@ skipping 23 matching lines @@
                     mouseTarget = pointerEvent->eventPath()[i].node();
                     break;
                 }
             }
         }
         result = EventHandler::mergeEventResult(result,
             dispatchMouseEvent(mouseTarget, mouseEventType, mouseEvent,
             nullptr, clickCount));
     }
 
-    if (pointerEvent->buttons() == 0) {
+    if (pointerEvent->type() == EventTypeNames::pointerup
+        || pointerEvent->type() == EventTypeNames::pointercancel) {
+
         releasePointerCapture(pointerEvent->pointerId());
-
         // Send got/lostpointercapture rightaway if necessary.
         processPendingPointerCapture(pointerEvent);
 
         if (pointerEvent->isPrimary()) {
             m_preventMouseEventForPointerType[toPointerTypeIndex(
                 mouseEvent.pointerProperties().pointerType)] = false;
         }
     }
 
     return result;
@@ skipping 202 matching lines @@
 {
     visitor->trace(m_frame);
     visitor->trace(m_nodeUnderPointer);
     visitor->trace(m_pointerCaptureTarget);
     visitor->trace(m_pendingPointerCaptureTarget);
     visitor->trace(m_touchEventManager);
 }
 
 
 } // namespace blink