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#ifndef InspectorBaseAgent_h 32#define InspectorBaseAgent_h 33 34#include "InspectorBackendDispatcher.h" 35#include <wtf/Forward.h> 36#include <wtf/PassOwnPtr.h> 37#include <wtf/Vector.h> 38#include <wtf/text/WTFString.h> 39 40namespace WebCore { 41 42class InspectorFrontend; 43class InspectorCompositeState; 44class InspectorState; 45class InstrumentingAgents; 46 47class InspectorBaseAgentInterface { 48public: 49 InspectorBaseAgentInterface(const String&, InstrumentingAgents*, InspectorCompositeState*); 50 virtual ~InspectorBaseAgentInterface(); 51 52 virtual void setFrontend(InspectorFrontend*) { } 53 virtual void clearFrontend() { } 54 virtual void restore() { } 55 virtual void registerInDispatcher(InspectorBackendDispatcher*) = 0; 56 virtual void discardAgent() { } 57 58 String name() { return m_name; } 59 60protected: 61 InstrumentingAgents* m_instrumentingAgents; 62 InspectorState* m_state; 63 64private: 65 String m_name; 66}; 67 68class InspectorAgentRegistry { 69public: 70 void append(PassOwnPtr<InspectorBaseAgentInterface>); 71 72 void setFrontend(InspectorFrontend*); 73 void clearFrontend(); 74 void restore(); 75 void registerInDispatcher(InspectorBackendDispatcher*); 76 void discardAgents(); 77 78private: 79 Vector<OwnPtr<InspectorBaseAgentInterface> > m_agents; 80}; 81 82template<typename T> 83class InspectorBaseAgent : public InspectorBaseAgentInterface { 84public: 85 virtual ~InspectorBaseAgent() { } 86 87 virtual void registerInDispatcher(InspectorBackendDispatcher* dispatcher) 88 { 89 dispatcher->registerAgent(static_cast<T*>(this)); 90 } 91 92protected: 93 InspectorBaseAgent(const String& name, InstrumentingAgents* instrumentingAgents, InspectorCompositeState* inspectorState) 94 : InspectorBaseAgentInterface(name, instrumentingAgents, inspectorState) 95 { 96 } 97}; 98 99} // namespace WebCore 100 101#endif // !defined(InspectorBaseAgent_h) 102