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// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// * 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.

// * Neither the name of Google Inc. nor the name Chromium Embedded

// Framework nor the names of its contributors may be used to endorse

// or promote products derived from this software without specific prior

// written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "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 THE COPYRIGHT

// OWNER 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.

// ---------------------------------------------------------------------------

// The contents of this file must follow a specific format in order to

// support the CEF translator tool. See the translator.README.txt file in the

// tools directory for more information.

// See cef_trace_event.h for trace macros and additonal documentation.

#ifndef CEF_INCLUDE_CEF_TRACE_H_

#define CEF_INCLUDE_CEF_TRACE_H_

#pragma once

#include "include/cef_base.h"

///

// Implement this interface to receive trace notifications. The methods of this

// class will be called on the browser process UI thread.

///

/*--cef(source=client)--*/

class CefTraceClient : public virtual CefBase {

public:

///

// Called 0 or more times between CefBeginTracing and OnEndTracingComplete

// with a UTF8 JSON |fragment| of the specified |fragment_size|. Do not keep

// a reference to |fragment|.

///

/*--cef()--*/

virtual void OnTraceDataCollected(const char* fragment,

size_t fragment_size) {}

///

// Called in response to CefGetTraceBufferPercentFullAsync.

///

/*--cef()--*/

virtual void OnTraceBufferPercentFullReply(float percent_full) {}

///

// Called after all processes have sent their trace data.

///

/*--cef()--*/

virtual void OnEndTracingComplete() {}

};

///

// Start tracing events on all processes. Tracing begins immediately locally,

// and asynchronously on child processes as soon as they receive the

// BeginTracing request.

// If CefBeginTracing was called previously, or if a CefEndTracingAsync call is

// pending, CefBeginTracing will fail and return false.

// |categories| is a comma-delimited list of category wildcards. A category can

// have an optional '-' prefix to make it an excluded category. Having both

// included and excluded categories in the same list is not supported.

// Example: "test_MyTest*"

// Example: "test_MyTest*,test_OtherStuff"

// Example: "-excluded_category1,-excluded_category2"

// This function must be called on the browser process UI thread.

///

/*--cef(optional_param=client,optional_param=categories)--*/

bool CefBeginTracing(CefRefPtr<CefTraceClient> client,

const CefString& categories);

///

// Get the maximum trace buffer percent full state across all processes.

// CefTraceClient::OnTraceBufferPercentFullReply will be called asynchronously

// after the value is determined. When any child process reaches 100% full

// tracing will end automatically and CefTraceClient::OnEndTracingComplete

// will be called. This function fails and returns false if trace is ending or

// disabled, no CefTraceClient was passed to CefBeginTracing, or if a previous

// call to CefGetTraceBufferPercentFullAsync is pending.

// This function must be called on the browser process UI thread.

///

/*--cef()--*/

bool CefGetTraceBufferPercentFullAsync();

///

// Stop tracing events on all processes.

// This function will fail and return false if a previous call to

// CefEndTracingAsync is already pending or if CefBeginTracing was not called.

// This function must be called on the browser process UI thread.

///

/*--cef()--*/

bool CefEndTracingAsync();

///

// Returns the current system trace time or, if none is defined, the current

// high-res time. Can be used by clients to synchronize with the time

// information in trace events.

///

/*--cef()--*/

int64 CefNowFromSystemTraceTime();

#endif // CEF_INCLUDE_CEF_TRACE_H_

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