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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TRACING_HANDLER_H_
#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TRACING_HANDLER_H_
#include <set>
#include <string>
#include "base/debug/trace_event.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/devtools/protocol/devtools_protocol_handler.h"
#include "content/public/browser/tracing_controller.h"
namespace base {
class RefCountedString;
class Timer;
}
namespace content {
namespace devtools {
namespace tracing {
class TracingHandler {
public:
typedef DevToolsProtocolClient::Response Response;
enum Target { Browser, Renderer };
explicit TracingHandler(Target target);
virtual ~TracingHandler();
void SetClient(scoped_ptr<Client> client);
void Detached();
void OnTraceDataCollected(const std::string& trace_fragment);
void OnTraceComplete();
Response Start(DevToolsCommandId command_id,
const std::string* categories,
const std::string* options,
const double* buffer_usage_reporting_interval);
Response End(DevToolsCommandId command_id);
Response GetCategories(DevToolsCommandId command);
private:
void OnRecordingEnabled(DevToolsCommandId command_id);
void OnBufferUsage(float percent_full, size_t approximate_event_count);
void OnCategoriesReceived(DevToolsCommandId command_id,
const std::set<std::string>& category_set);
base::debug::TraceOptions TraceOptionsFromString(const std::string* options);
void SetupTimer(double usage_reporting_interval);
void DisableRecording(bool abort);
scoped_ptr<base::Timer> buffer_usage_poll_timer_;
Target target_;
bool is_recording_;
scoped_ptr<Client> client_;
base::WeakPtrFactory<TracingHandler> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(TracingHandler);
};
} // namespace tracing
} // namespace devtools
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TRACING_HANDLER_H_
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