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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Matt Lilek <webkit (at) mattlilek.com>
      4  * Copyright (C) 2010 Google Inc. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/inspector/InjectedScriptHost.h"
     33 
     34 #include "core/inspector/InspectorConsoleAgent.h"
     35 #include "core/inspector/InspectorDOMAgent.h"
     36 #include "core/inspector/InspectorDebuggerAgent.h"
     37 #include "core/inspector/InspectorInspectorAgent.h"
     38 #include "core/inspector/InstrumentingAgents.h"
     39 #include "platform/JSONValues.h"
     40 
     41 #include "wtf/RefPtr.h"
     42 #include "wtf/text/StringBuilder.h"
     43 
     44 namespace WebCore {
     45 
     46 PassRefPtr<InjectedScriptHost> InjectedScriptHost::create()
     47 {
     48     return adoptRef(new InjectedScriptHost());
     49 }
     50 
     51 InjectedScriptHost::InjectedScriptHost()
     52     : m_instrumentingAgents(0)
     53     , m_scriptDebugServer(0)
     54 {
     55     ScriptWrappable::init(this);
     56     m_defaultInspectableObject = adoptPtr(new InspectableObject());
     57 }
     58 
     59 InjectedScriptHost::~InjectedScriptHost()
     60 {
     61 }
     62 
     63 void InjectedScriptHost::disconnect()
     64 {
     65     m_instrumentingAgents = 0;
     66     m_scriptDebugServer = 0;
     67 }
     68 
     69 void InjectedScriptHost::inspectImpl(PassRefPtr<JSONValue> object, PassRefPtr<JSONValue> hints)
     70 {
     71     if (InspectorInspectorAgent* inspectorAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorInspectorAgent() : 0) {
     72         RefPtr<TypeBuilder::Runtime::RemoteObject> remoteObject = TypeBuilder::Runtime::RemoteObject::runtimeCast(object);
     73         inspectorAgent->inspect(remoteObject, hints->asObject());
     74     }
     75 }
     76 
     77 void InjectedScriptHost::getEventListenersImpl(EventTarget* target, Vector<EventListenerInfo>& listenersArray)
     78 {
     79     InspectorDOMAgent::getEventListeners(target, listenersArray, false);
     80 }
     81 
     82 void InjectedScriptHost::clearConsoleMessages()
     83 {
     84     if (InspectorConsoleAgent* consoleAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorConsoleAgent() : 0) {
     85         ErrorString error;
     86         consoleAgent->clearMessages(&error);
     87     }
     88 }
     89 
     90 ScriptValue InjectedScriptHost::InspectableObject::get(ScriptState*)
     91 {
     92     return ScriptValue();
     93 };
     94 
     95 void InjectedScriptHost::addInspectedObject(PassOwnPtr<InjectedScriptHost::InspectableObject> object)
     96 {
     97     m_inspectedObjects.prepend(object);
     98     while (m_inspectedObjects.size() > 5)
     99         m_inspectedObjects.removeLast();
    100 }
    101 
    102 void InjectedScriptHost::clearInspectedObjects()
    103 {
    104     m_inspectedObjects.clear();
    105 }
    106 
    107 InjectedScriptHost::InspectableObject* InjectedScriptHost::inspectedObject(unsigned num)
    108 {
    109     if (num >= m_inspectedObjects.size())
    110         return m_defaultInspectableObject.get();
    111     return m_inspectedObjects[num].get();
    112 }
    113 
    114 void InjectedScriptHost::debugFunction(const String& scriptId, int lineNumber, int columnNumber)
    115 {
    116     if (InspectorDebuggerAgent* debuggerAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorDebuggerAgent() : 0)
    117         debuggerAgent->setBreakpoint(scriptId, lineNumber, columnNumber, InspectorDebuggerAgent::DebugCommandBreakpointSource);
    118 }
    119 
    120 void InjectedScriptHost::undebugFunction(const String& scriptId, int lineNumber, int columnNumber)
    121 {
    122     if (InspectorDebuggerAgent* debuggerAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorDebuggerAgent() : 0)
    123         debuggerAgent->removeBreakpoint(scriptId, lineNumber, columnNumber, InspectorDebuggerAgent::DebugCommandBreakpointSource);
    124 }
    125 
    126 void InjectedScriptHost::monitorFunction(const String& scriptId, int lineNumber, int columnNumber, const String& functionName)
    127 {
    128     StringBuilder builder;
    129     builder.appendLiteral("console.log(\"function ");
    130     if (functionName.isEmpty())
    131         builder.appendLiteral("(anonymous function)");
    132     else
    133         builder.append(functionName);
    134     builder.appendLiteral(" called\" + (arguments.length > 0 ? \" with arguments: \" + Array.prototype.join.call(arguments, \", \") : \"\")) && false");
    135     if (InspectorDebuggerAgent* debuggerAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorDebuggerAgent() : 0)
    136         debuggerAgent->setBreakpoint(scriptId, lineNumber, columnNumber, InspectorDebuggerAgent::MonitorCommandBreakpointSource, builder.toString());
    137 }
    138 
    139 void InjectedScriptHost::unmonitorFunction(const String& scriptId, int lineNumber, int columnNumber)
    140 {
    141     if (InspectorDebuggerAgent* debuggerAgent = m_instrumentingAgents ? m_instrumentingAgents->inspectorDebuggerAgent() : 0)
    142         debuggerAgent->removeBreakpoint(scriptId, lineNumber, columnNumber, InspectorDebuggerAgent::MonitorCommandBreakpointSource);
    143 }
    144 
    145 } // namespace WebCore
    146 
    147