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/*
* Copyright (C) 2013 Apple Inc. All Rights Reserved.
* Copyright (C) 2011 The Chromium Authors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef InspectorBackendDispatcher_h
#define InspectorBackendDispatcher_h
#include "InspectorValues.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
namespace Inspector {
class InspectorBackendDispatcher;
class InspectorFrontendChannel;
typedef String ErrorString;
class InspectorSupplementalBackendDispatcher : public RefCounted<InspectorSupplementalBackendDispatcher> {
public:
InspectorSupplementalBackendDispatcher(InspectorBackendDispatcher* backendDispatcher) : m_backendDispatcher(backendDispatcher) { }
virtual ~InspectorSupplementalBackendDispatcher() { }
virtual void dispatch(long callId, const String& method, PassRefPtr<InspectorObject> message) = 0;
protected:
RefPtr<InspectorBackendDispatcher> m_backendDispatcher;
};
class JS_EXPORT_PRIVATE InspectorBackendDispatcher : public RefCounted<InspectorBackendDispatcher> {
public:
static PassRefPtr<InspectorBackendDispatcher> create(InspectorFrontendChannel*);
class JS_EXPORT_PRIVATE CallbackBase : public RefCounted<CallbackBase> {
public:
CallbackBase(PassRefPtr<InspectorBackendDispatcher>, int id);
bool isActive() const;
void sendFailure(const ErrorString&);
void disable() { m_alreadySent = true; }
protected:
void sendIfActive(PassRefPtr<InspectorObject> partialMessage, const ErrorString& invocationError);
private:
RefPtr<InspectorBackendDispatcher> m_backendDispatcher;
int m_id;
bool m_alreadySent;
};
void clearFrontend() { m_inspectorFrontendChannel = nullptr; }
bool isActive() const { return !!m_inspectorFrontendChannel; }
enum CommonErrorCode {
ParseError = 0,
InvalidRequest,
MethodNotFound,
InvalidParams,
InternalError,
ServerError
};
void registerDispatcherForDomain(const String& domain, InspectorSupplementalBackendDispatcher*);
void dispatch(const String& message);
void sendResponse(long callId, PassRefPtr<InspectorObject> result, const ErrorString& invocationError);
void reportProtocolError(const long* const callId, CommonErrorCode, const String& errorMessage) const;
void reportProtocolError(const long* const callId, CommonErrorCode, const String& errorMessage, PassRefPtr<InspectorArray> data) const;
static int getInteger(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
static double getDouble(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
static String getString(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
static bool getBoolean(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
static PassRefPtr<InspectorObject> getObject(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
static PassRefPtr<InspectorArray> getArray(InspectorObject*, const String& name, bool* valueFound, InspectorArray* protocolErrors);
private:
InspectorBackendDispatcher(InspectorFrontendChannel* inspectorFrontendChannel) : m_inspectorFrontendChannel(inspectorFrontendChannel) { }
InspectorFrontendChannel* m_inspectorFrontendChannel;
HashMap<String, InspectorSupplementalBackendDispatcher*> m_dispatchers;
};
} // namespace Inspector
#endif // !defined(InspectorBackendDispatcher_h)
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