inspector/agents/InspectorAgent.cpp

   1 /*
   2  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
   3  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
   4  * Copyright (C) 2011 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 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 "InspectorAgent.h"
  33
  34 #if ENABLE(INSPECTOR)
  35
  36 #include "InspectorValues.h"
  37 #include "ScriptValue.h"
  38
  39 namespace Inspector {
  40
  41 InspectorAgent::InspectorAgent()
  42     : InspectorAgentBase(ASCIILiteral("Inspector"))
  43     , m_enabled(false)
  44 {
  45 }
  46
  47 InspectorAgent::~InspectorAgent()
  48 {
  49 }
  50
  51 void InspectorAgent::didCreateFrontendAndBackend(InspectorFrontendChannel* frontendChannel, InspectorBackendDispatcher* backendDispatcher)
  52 {
  53     m_frontendDispatcher = std::make_unique<InspectorInspectorFrontendDispatcher>(frontendChannel);
  54     m_backendDispatcher = InspectorInspectorBackendDispatcher::create(backendDispatcher, this);
  55 }
  56
  57 void InspectorAgent::willDestroyFrontendAndBackend(InspectorDisconnectReason)
  58 {
  59     m_frontendDispatcher = nullptr;
  60     m_backendDispatcher.clear();
  61
  62     m_pendingEvaluateTestCommands.clear();
  63
  64     ErrorString error;
  65     disable(&error);
  66 }
  67
  68 void InspectorAgent::enable(ErrorString*)
  69 {
  70     m_enabled = true;
  71
  72     if (m_pendingInspectData.first)
  73         inspect(m_pendingInspectData.first, m_pendingInspectData.second);
  74
  75     for (auto& testCommand : m_pendingEvaluateTestCommands) {
  76         if (!m_frontendDispatcher)
  77             break;
  78
  79         m_frontendDispatcher->evaluateForTestInFrontend(testCommand);
  80     }
  81
  82     m_pendingEvaluateTestCommands.clear();
  83 }
  84
  85 void InspectorAgent::disable(ErrorString*)
  86 {
  87     m_enabled = false;
  88 }
  89
  90 void InspectorAgent::inspect(PassRefPtr<TypeBuilder::Runtime::RemoteObject> objectToInspect, PassRefPtr<InspectorObject> hints)
  91 {
  92     if (m_enabled && m_frontendDispatcher) {
  93         m_frontendDispatcher->inspect(objectToInspect, hints);
  94         m_pendingInspectData.first = nullptr;
  95         m_pendingInspectData.second = nullptr;
  96         return;
  97     }
  98
  99     m_pendingInspectData.first = objectToInspect;
 100     m_pendingInspectData.second = hints;
 101 }
 102
 103 void InspectorAgent::evaluateForTestInFrontend(const String& script)
 104 {
 105     if (m_enabled && m_frontendDispatcher)
 106         m_frontendDispatcher->evaluateForTestInFrontend(script);
 107     else
 108         m_pendingEvaluateTestCommands.append(script);
 109 }
 110
 111 } // namespace Inspector
 112
 113 #endif // ENABLE(INSPECTOR)