auto import from //depot/cupcake/@135843

1 files changed, 572 insertions, 0 deletions

diff --git a/WebCore/svg/SVGElementInstance.cpp b/WebCore/svg/SVGElementInstance.cpp
new file mode 100644
index 0000000..e548900
--- /dev/null
+++ b/WebCore/svg/SVGElementInstance.cpp
@@ -0,0 +1,572 @@
+/*
+    Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "SVGElementInstance.h"
+
+#include "ContainerNodeAlgorithms.h"
+#include "Document.h"
+#include "Event.h"
+#include "EventException.h"
+#include "EventListener.h"
+#include "EventNames.h"
+#include "FrameView.h"
+#include "GCController.h"
+#include "SVGElementInstanceList.h"
+#include "SVGUseElement.h"
+
+#include <wtf/RefCountedLeakCounter.h>
+
+namespace WebCore {
+
+#ifndef NDEBUG
+static WTF::RefCountedLeakCounter instanceCounter("WebCoreSVGElementInstance");
+#endif
+
+SVGElementInstance::SVGElementInstance(SVGUseElement* useElement, SVGElement* originalElement)
+    : m_needsUpdate(false)
+    , m_useElement(useElement)
+    , m_element(originalElement)
+    , m_previousSibling(0)
+    , m_nextSibling(0)
+    , m_firstChild(0)
+    , m_lastChild(0)
+{
+    ASSERT(m_useElement);
+    ASSERT(m_element);
+
+    // Register as instance for passed element.
+    m_element->mapInstanceToElement(this);
+
+#ifndef NDEBUG
+    instanceCounter.increment();
+#endif
+}
+
+SVGElementInstance::~SVGElementInstance()
+{
+#ifndef NDEBUG
+    instanceCounter.decrement();
+#endif
+
+    // Deregister as instance for passed element.
+    m_element->removeInstanceMapping(this);
+
+    removeAllChildrenInContainer<SVGElementInstance, SVGElementInstance>(this);
+}
+
+PassRefPtr<SVGElementInstanceList> SVGElementInstance::childNodes()
+{
+    return SVGElementInstanceList::create(this);
+}
+
+void SVGElementInstance::setShadowTreeElement(SVGElement* element)
+{
+    ASSERT(element);
+    m_shadowTreeElement = element;
+}
+
+void SVGElementInstance::forgetWrapper()
+{
+    // FIXME: This is fragile, as discussed with Sam. Need to find a better solution.
+    // Think about the case where JS explicitely holds "var root = useElement.instanceRoot;".
+    // We still have to recreate this wrapper somehow. The gc collection below, won't catch it.
+
+    // If the use shadow tree has been rebuilt, just the JSSVGElementInstance objects
+    // are still holding RefPtrs of SVGElementInstance objects, which prevent us to
+    // be deleted (and the shadow tree is not destructed as well). Force JS GC.
+    gcController().garbageCollectNow();    
+}
+
+void SVGElementInstance::appendChild(PassRefPtr<SVGElementInstance> child)
+{
+    appendChildToContainer<SVGElementInstance, SVGElementInstance>(child.get(), this);
+}
+
+void SVGElementInstance::invalidateAllInstancesOfElement(SVGElement* element)
+{
+    if (!element)
+        return;
+
+    HashSet<SVGElementInstance*> set = element->instancesForElement();
+    if (set.isEmpty())
+        return;
+
+    // Find all use elements referencing the instances - ask them _once_ to rebuild.
+    HashSet<SVGElementInstance*>::const_iterator it = set.begin();
+    const HashSet<SVGElementInstance*>::const_iterator end = set.end();
+
+    for (; it != end; ++it)
+        (*it)->setNeedsUpdate(true);
+}
+
+void SVGElementInstance::setNeedsUpdate(bool value)
+{
+    m_needsUpdate = value;
+
+    if (m_needsUpdate)
+        correspondingUseElement()->setChanged();
+}
+
+ScriptExecutionContext* SVGElementInstance::scriptExecutionContext() const
+{
+    if (SVGElement* element = correspondingElement())
+        return element->scriptExecutionContext();
+    return 0;
+}
+
+void SVGElementInstance::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
+{
+    if (SVGElement* element = correspondingElement())
+        element->addEventListener(eventType, listener, useCapture);
+}
+
+void SVGElementInstance::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture)
+{
+    if (SVGElement* element = correspondingElement())
+        element->removeEventListener(eventType, listener, useCapture);
+}
+
+bool SVGElementInstance::dispatchEvent(PassRefPtr<Event> e, ExceptionCode& ec)
+{
+    RefPtr<Event> evt(e);
+    ASSERT(!eventDispatchForbidden());
+    if (!evt || evt->type().isEmpty()) {
+        ec = EventException::UNSPECIFIED_EVENT_TYPE_ERR;
+        return false;
+    }
+
+    // The event has to be dispatched to the shadowTreeElement(), not the correspondingElement()!
+    SVGElement* element = shadowTreeElement();
+    if (!element)
+        return false;
+
+    evt->setTarget(this);
+
+    RefPtr<FrameView> view = element->document()->view();
+    return element->dispatchGenericEvent(evt.release(), ec);
+}
+
+EventListener* SVGElementInstance::onabort() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().abortEvent);
+}
+
+void SVGElementInstance::setOnabort(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().abortEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onblur() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().blurEvent);
+}
+
+void SVGElementInstance::setOnblur(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().blurEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onchange() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().changeEvent);
+}
+
+void SVGElementInstance::setOnchange(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().changeEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onclick() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().clickEvent);
+}
+
+void SVGElementInstance::setOnclick(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().clickEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::oncontextmenu() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().contextmenuEvent);
+}
+
+void SVGElementInstance::setOncontextmenu(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().contextmenuEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondblclick() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dblclickEvent);
+}
+
+void SVGElementInstance::setOndblclick(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dblclickEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onerror() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().errorEvent);
+}
+
+void SVGElementInstance::setOnerror(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().errorEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onfocus() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().focusEvent);
+}
+
+void SVGElementInstance::setOnfocus(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().focusEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::oninput() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().inputEvent);
+}
+
+void SVGElementInstance::setOninput(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().inputEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onkeydown() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().keydownEvent);
+}
+
+void SVGElementInstance::setOnkeydown(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().keydownEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onkeypress() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().keypressEvent);
+}
+
+void SVGElementInstance::setOnkeypress(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().keypressEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onkeyup() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().keyupEvent);
+}
+
+void SVGElementInstance::setOnkeyup(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().keyupEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onload() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().loadEvent);
+}
+
+void SVGElementInstance::setOnload(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().loadEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmousedown() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mousedownEvent);
+}
+
+void SVGElementInstance::setOnmousedown(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mousedownEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmousemove() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mousemoveEvent);
+}
+
+void SVGElementInstance::setOnmousemove(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mousemoveEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmouseout() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mouseoutEvent);
+}
+
+void SVGElementInstance::setOnmouseout(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mouseoutEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmouseover() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mouseoverEvent);
+}
+
+void SVGElementInstance::setOnmouseover(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mouseoverEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmouseup() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mouseupEvent);
+}
+
+void SVGElementInstance::setOnmouseup(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mouseupEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onmousewheel() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().mousewheelEvent);
+}
+
+void SVGElementInstance::setOnmousewheel(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().mousewheelEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onbeforecut() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().beforecutEvent);
+}
+
+void SVGElementInstance::setOnbeforecut(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().beforecutEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::oncut() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().cutEvent);
+}
+
+void SVGElementInstance::setOncut(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().cutEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onbeforecopy() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().beforecopyEvent);
+}
+
+void SVGElementInstance::setOnbeforecopy(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().beforecopyEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::oncopy() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().copyEvent);
+}
+
+void SVGElementInstance::setOncopy(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().copyEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onbeforepaste() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().beforepasteEvent);
+}
+
+void SVGElementInstance::setOnbeforepaste(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().beforepasteEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onpaste() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().pasteEvent);
+}
+
+void SVGElementInstance::setOnpaste(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().pasteEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondragenter() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragenterEvent);
+}
+
+void SVGElementInstance::setOndragenter(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragenterEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondragover() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragoverEvent);
+}
+
+void SVGElementInstance::setOndragover(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragoverEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondragleave() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragleaveEvent);
+}
+
+void SVGElementInstance::setOndragleave(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragleaveEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondrop() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dropEvent);
+}
+
+void SVGElementInstance::setOndrop(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dropEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondragstart() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragstartEvent);
+}
+
+void SVGElementInstance::setOndragstart(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragstartEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondrag() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragEvent);
+}
+
+void SVGElementInstance::setOndrag(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::ondragend() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().dragendEvent);
+}
+
+void SVGElementInstance::setOndragend(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().dragendEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onreset() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().resetEvent);
+}
+
+void SVGElementInstance::setOnreset(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().resetEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onresize() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().resizeEvent);
+}
+
+void SVGElementInstance::setOnresize(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().resizeEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onscroll() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().scrollEvent);
+}
+
+void SVGElementInstance::setOnscroll(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().scrollEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onsearch() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().searchEvent);
+}
+
+void SVGElementInstance::setOnsearch(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().searchEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onselect() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().selectEvent);
+}
+
+void SVGElementInstance::setOnselect(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().selectEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onselectstart() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().selectstartEvent);
+}
+
+void SVGElementInstance::setOnselectstart(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().selectstartEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onsubmit() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().submitEvent);
+}
+
+void SVGElementInstance::setOnsubmit(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().submitEvent, eventListener);
+}
+
+EventListener* SVGElementInstance::onunload() const
+{
+    return correspondingElement()->inlineEventListenerForType(eventNames().unloadEvent);
+}
+
+void SVGElementInstance::setOnunload(PassRefPtr<EventListener> eventListener)
+{
+    correspondingElement()->setInlineEventListenerForType(eventNames().unloadEvent, eventListener);
+}
+
+}
+
+#endif // ENABLE(SVG)