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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/NodeTraversal.h"
     36 #include "core/dom/shadow/ShadowRoot.h"
     37 #include "core/frame/FrameConsole.h"
     38 #include "core/inspector/InjectedScriptHost.h"
     39 #include "core/inspector/InjectedScriptManager.h"
     40 #include "core/inspector/InspectorDOMAgent.h"
     41 #include "core/page/Page.h"
     42 
     43 namespace blink {
     44 
     45 PageConsoleAgent::PageConsoleAgent(InjectedScriptManager* injectedScriptManager, InspectorDOMAgent* domAgent, InspectorTimelineAgent* timelineAgent, Page* page)
     46     : InspectorConsoleAgent(timelineAgent, injectedScriptManager)
     47     , m_inspectorDOMAgent(domAgent)
     48     , m_page(page)
     49 {
     50 }
     51 
     52 PageConsoleAgent::~PageConsoleAgent()
     53 {
     54 #if !ENABLE(OILPAN)
     55     m_inspectorDOMAgent = nullptr;
     56 #endif
     57 }
     58 
     59 void PageConsoleAgent::trace(Visitor* visitor)
     60 {
     61     visitor->trace(m_inspectorDOMAgent);
     62     visitor->trace(m_page);
     63     InspectorConsoleAgent::trace(visitor);
     64 }
     65 
     66 void PageConsoleAgent::clearMessages(ErrorString* errorString)
     67 {
     68     m_inspectorDOMAgent->releaseDanglingNodes();
     69     InspectorConsoleAgent::clearMessages(errorString);
     70 }
     71 
     72 ConsoleMessageStorage* PageConsoleAgent::messageStorage()
     73 {
     74     return m_page->deprecatedLocalMainFrame()->console().messageStorage();
     75 }
     76 
     77 class InspectableNode FINAL : public InjectedScriptHost::InspectableObject {
     78 public:
     79     explicit InspectableNode(Node* node) : m_node(node) { }
     80     virtual ScriptValue get(ScriptState* state) OVERRIDE
     81     {
     82         return InjectedScriptHost::nodeAsScriptValue(state, m_node);
     83     }
     84 private:
     85     Node* m_node;
     86 };
     87 
     88 void PageConsoleAgent::addInspectedNode(ErrorString* errorString, int nodeId)
     89 {
     90     Node* node = m_inspectorDOMAgent->nodeForId(nodeId);
     91     if (!node) {
     92         *errorString = "nodeId is not valid";
     93         return;
     94     }
     95     while (node->isInShadowTree()) {
     96         Node& ancestor = NodeTraversal::highestAncestorOrSelf(*node);
     97         if (!ancestor.isShadowRoot() || toShadowRoot(ancestor).type() == ShadowRoot::AuthorShadowRoot)
     98             break;
     99         // User agent shadow root, keep climbing up.
    100         node = toShadowRoot(ancestor).host();
    101     }
    102     m_injectedScriptManager->injectedScriptHost()->addInspectedObject(adoptPtr(new InspectableNode(node)));
    103 }
    104 
    105 } // namespace blink
    106