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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/inspector/PageConsoleAgent.h"
     33 
     34 #include "core/dom/Node.h"
     35 #include "core/dom/shadow/ShadowRoot.h"
     36 #include "core/inspector/InjectedScriptHost.h"
     37 #include "core/inspector/InjectedScriptManager.h"
     38 #include "core/inspector/InspectorDOMAgent.h"
     39 
     40 namespace WebCore {
     41 
     42 PageConsoleAgent::PageConsoleAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* state, InjectedScriptManager* injectedScriptManager, InspectorDOMAgent* domAgent)
     43     : InspectorConsoleAgent(instrumentingAgents, state, injectedScriptManager)
     44     , m_inspectorDOMAgent(domAgent)
     45 {
     46 }
     47 
     48 PageConsoleAgent::~PageConsoleAgent()
     49 {
     50     m_inspectorDOMAgent = 0;
     51 }
     52 
     53 void PageConsoleAgent::clearMessages(ErrorString* errorString)
     54 {
     55     m_inspectorDOMAgent->releaseDanglingNodes();
     56     InspectorConsoleAgent::clearMessages(errorString);
     57 }
     58 
     59 class InspectableNode : public InjectedScriptHost::InspectableObject {
     60 public:
     61     explicit InspectableNode(Node* node) : m_node(node) { }
     62     virtual ScriptValue get(ScriptState* state)
     63     {
     64         return InjectedScriptHost::nodeAsScriptValue(state, m_node);
     65     }
     66 private:
     67     Node* m_node;
     68 };
     69 
     70 void PageConsoleAgent::addInspectedNode(ErrorString* errorString, int nodeId)
     71 {
     72     Node* node = m_inspectorDOMAgent->nodeForId(nodeId);
     73     if (!node) {
     74         *errorString = "nodeId is not valid";
     75         return;
     76     }
     77     while (node->isInShadowTree()) {
     78         Node* ancestor = node->highestAncestor();
     79         if (!ancestor->isShadowRoot() || toShadowRoot(ancestor)->type() == ShadowRoot::AuthorShadowRoot)
     80             break;
     81         // User agent shadow root, keep climbing up.
     82         node = toShadowRoot(ancestor)->host();
     83     }
     84     m_injectedScriptManager->injectedScriptHost()->addInspectedObject(adoptPtr(new InspectableNode(node)));
     85 }
     86 
     87 } // namespace WebCore
     88