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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "public/web/WebNode.h"
#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "core/dom/Node.h"
#include "core/dom/NodeList.h"
#include "core/dom/StaticNodeList.h"
#include "core/dom/TagCollection.h"
#include "core/editing/EditingUtilities.h"
#include "core/editing/serializers/Serialization.h"
#include "core/events/Event.h"
#include "core/html/HTMLCollection.h"
#include "core/html/HTMLElement.h"
#include "core/layout/LayoutObject.h"
#include "core/layout/LayoutPart.h"
#include "modules/accessibility/AXObject.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
#include "platform/Widget.h"
#include "public/platform/WebString.h"
#include "public/platform/WebSuspendableTask.h"
#include "public/web/WebAXObject.h"
#include "public/web/WebDOMEvent.h"
#include "public/web/WebDocument.h"
#include "public/web/WebElement.h"
#include "public/web/WebElementCollection.h"
#include "public/web/WebPluginContainer.h"
#include "web/FrameLoaderClientImpl.h"
#include "web/WebLocalFrameImpl.h"
#include "web/WebPluginContainerImpl.h"
#include "wtf/PtrUtil.h"
namespace blink {
namespace {
class NodeDispatchSimulatedClickTask : public SuspendableTask {
WTF_MAKE_NONCOPYABLE(NodeDispatchSimulatedClickTask);
public:
NodeDispatchSimulatedClickTask(const WebPrivatePtr<Node>& node) {
m_node = node;
}
~NodeDispatchSimulatedClickTask() { m_node.reset(); }
void run() override { m_node->dispatchSimulatedClick(nullptr); }
private:
WebPrivatePtr<Node> m_node;
};
} // namespace
void WebNode::reset() {
m_private.reset();
}
void WebNode::assign(const WebNode& other) {
m_private = other.m_private;
}
bool WebNode::equals(const WebNode& n) const {
return m_private.get() == n.m_private.get();
}
bool WebNode::lessThan(const WebNode& n) const {
return m_private.get() < n.m_private.get();
}
WebNode WebNode::parentNode() const {
return WebNode(const_cast<ContainerNode*>(m_private->parentNode()));
}
WebString WebNode::nodeValue() const {
return m_private->nodeValue();
}
WebDocument WebNode::document() const {
return WebDocument(&m_private->document());
}
WebNode WebNode::firstChild() const {
return WebNode(m_private->firstChild());
}
WebNode WebNode::lastChild() const {
return WebNode(m_private->lastChild());
}
WebNode WebNode::previousSibling() const {
return WebNode(m_private->previousSibling());
}
WebNode WebNode::nextSibling() const {
return WebNode(m_private->nextSibling());
}
bool WebNode::isLink() const {
return m_private->isLink();
}
bool WebNode::isTextNode() const {
return m_private->isTextNode();
}
bool WebNode::isCommentNode() const {
return m_private->getNodeType() == Node::kCommentNode;
}
bool WebNode::isFocusable() const {
if (!m_private->isElementNode())
return false;
m_private->document().updateStyleAndLayoutIgnorePendingStylesheets();
return toElement(m_private.get())->isFocusable();
}
bool WebNode::isContentEditable() const {
m_private->document().updateStyleAndLayoutTree();
return hasEditableStyle(*m_private);
}
bool WebNode::isInsideFocusableElementOrARIAWidget() const {
return AXObject::isInsideFocusableElementOrARIAWidget(
*this->constUnwrap<Node>());
}
bool WebNode::isElementNode() const {
return m_private->isElementNode();
}
bool WebNode::isDocumentNode() const {
return m_private->isDocumentNode();
}
bool WebNode::isDocumentTypeNode() const {
return m_private->getNodeType() == Node::kDocumentTypeNode;
}
void WebNode::simulateClick() {
m_private->getExecutionContext()->postSuspendableTask(
makeUnique<NodeDispatchSimulatedClickTask>(m_private));
}
WebElementCollection WebNode::getElementsByHTMLTagName(
const WebString& tag) const {
if (m_private->isContainerNode())
return WebElementCollection(
toContainerNode(m_private.get())
->getElementsByTagNameNS(HTMLNames::xhtmlNamespaceURI, tag));
return WebElementCollection();
}
WebElement WebNode::querySelector(const WebString& selector) const {
if (!m_private->isContainerNode())
return WebElement();
return toContainerNode(m_private.get())
->querySelector(selector, IGNORE_EXCEPTION);
}
bool WebNode::focused() const {
return m_private->isFocused();
}
WebPluginContainer* WebNode::pluginContainerFromNode(const Node* node) {
if (!node)
return nullptr;
if (!isHTMLObjectElement(node) && !isHTMLEmbedElement(node))
return nullptr;
LayoutObject* object = node->layoutObject();
if (object && object->isLayoutPart()) {
Widget* widget = toLayoutPart(object)->widget();
if (widget && widget->isPluginContainer())
return toWebPluginContainerImpl(widget);
}
return nullptr;
}
WebPluginContainer* WebNode::pluginContainer() const {
return pluginContainerFromNode(constUnwrap<Node>());
}
WebAXObject WebNode::accessibilityObject() {
WebDocument webDocument = document();
const Document* doc = document().constUnwrap<Document>();
AXObjectCacheImpl* cache = toAXObjectCacheImpl(doc->existingAXObjectCache());
Node* node = unwrap<Node>();
return cache ? WebAXObject(cache->get(node)) : WebAXObject();
}
WebNode::WebNode(Node* node) : m_private(node) {}
WebNode& WebNode::operator=(Node* node) {
m_private = node;
return *this;
}
WebNode::operator Node*() const {
return m_private.get();
}
} // namespace blink