Source/core/inspector/PageConsoleAgent.cpp

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "core/inspector/PageConsoleAgent.h"

#include "core/dom/Node.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/inspector/InjectedScriptHost.h"
#include "core/inspector/InjectedScriptManager.h"
#include "core/inspector/InspectorDOMAgent.h"

namespace WebCore {

PageConsoleAgent::PageConsoleAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* state, InjectedScriptManager* injectedScriptManager, InspectorDOMAgent* domAgent)
    : InspectorConsoleAgent(instrumentingAgents, state, injectedScriptManager)
    , m_inspectorDOMAgent(domAgent)
{
}

PageConsoleAgent::~PageConsoleAgent()
{
    m_inspectorDOMAgent = 0;
}

void PageConsoleAgent::clearMessages(ErrorString* errorString)
{
    m_inspectorDOMAgent->releaseDanglingNodes();
    InspectorConsoleAgent::clearMessages(errorString);
}

class InspectableNode : public InjectedScriptHost::InspectableObject {
public:
    explicit InspectableNode(Node* node) : m_node(node) { }
    virtual ScriptValue get(ScriptState* state)
    {
        return InjectedScriptHost::nodeAsScriptValue(state, m_node);
    }
private:
    Node* m_node;
};

void PageConsoleAgent::addInspectedNode(ErrorString* errorString, int nodeId)
{
    Node* node = m_inspectorDOMAgent->nodeForId(nodeId);
    if (!node) {
        *errorString = "nodeId is not valid";
        return;
    }
    while (node->isInShadowTree()) {
        Node* ancestor = node->highestAncestor();
        if (!ancestor->isShadowRoot() || toShadowRoot(ancestor)->type() == ShadowRoot::AuthorShadowRoot)
            break;
        // User agent shadow root, keep climbing up.
        node = toShadowRoot(ancestor)->host();
    }
    m_injectedScriptManager->injectedScriptHost()->addInspectedObject(adoptPtr(new InspectableNode(node)));
}

} // namespace WebCore