Pointerevent capture APIs

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 87 matching lines @@
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormControlsCollection.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLOptionsCollection.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/html/HTMLTableRowsCollection.h"
 #include "core/html/HTMLTemplateElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
+#include "core/input/EventHandler.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/layout/LayoutTextFragment.h"
 #include "core/layout/LayoutView.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/page/PointerLockController.h"
 #include "core/page/SpatialNavigation.h"
 #include "core/page/scrolling/ScrollCustomizationCallbacks.h"
@@ skipping 1425 matching lines @@
         ElementRareData* data = elementRareData();
 
         data->clearRestyleFlags();
 
         if (ElementAnimations* elementAnimations = data->elementAnimations())
             elementAnimations->cssAnimations().cancel();
 
         if (data->intersectionObserverData())
             data->intersectionObserverData()->deactivateAllIntersectionObservers(*this);
     }
+
+    if (document().frame())
+        document().frame()->eventHandler().elementRemoved(this);
 }
 
 void Element::attach(const AttachContext& context)
 {
     ASSERT(document().inStyleRecalc());
 
     // We've already been through detach when doing an attach, but we might
     // need to clear any state that's been added since then.
     if (hasRareData() && styleChangeType() == NeedsReattachStyleChange) {
         ElementRareData* data = elementRareData();
@@ skipping 1082 matching lines @@
     RefPtrWillBeRawPtr<Element> contextElement = contextElementForInsertion(where, this, exceptionState);
     if (!contextElement)
         return;
 
     RefPtrWillBeRawPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, contextElement.get(), AllowScriptingContent, "insertAdjacentHTML", exceptionState);
     if (!fragment)
         return;
     insertAdjacent(where, fragment.get(), exceptionState);
 }
 
+void Element::setPointerCapture(int pointerId, ExceptionState& exceptionState)
+{
+    if (document().frame()) {
+        if (!document().frame()->eventHandler().isPointerEventActive(pointerId))
+            exceptionState.throwDOMException(InvalidPointerId, "InvalidPointerId");
+        else if (!inDocument())
+            exceptionState.throwDOMException(InvalidStateError, "InvalidStateError");
+        else
+            document().frame()->eventHandler().setPointerCapture(pointerId, this);
+    }
+}
+
+void Element::releasePointerCapture(int pointerId, ExceptionState& exceptionState)
+{
+    if (document().frame()) {
+        if (!document().frame()->eventHandler().isPointerEventActive(pointerId))
+            exceptionState.throwDOMException(InvalidPointerId, "InvalidPointerId");
+        else
+            document().frame()->eventHandler().releasePointerCapture(pointerId, this);
+    }
+}
+
 String Element::innerText()
 {
     // We need to update layout, since plainText uses line boxes in the layout tree.
     document().updateLayoutIgnorePendingStylesheets();
 
     if (!layoutObject())
         return textContent(true);
 
     return plainText(EphemeralRange::rangeOfContents(*this), TextIteratorForInnerText);
 }
@@ skipping 985 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink