cef/libcef/browser/trace_subscriber.cc

72 lines
1.9 KiB
C++

// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that can
// be found in the LICENSE file.
#include "libcef/browser/trace_subscriber.h"
#include "include/cef_trace.h"
#include "libcef/browser/thread_util.h"
#include "base/debug/trace_event.h"
#include "content/public/browser/tracing_controller.h"
using content::TracingController;
CefTraceSubscriber::CefTraceSubscriber()
: collecting_trace_data_(false),
weak_factory_(this) {
CEF_REQUIRE_UIT();
}
CefTraceSubscriber::~CefTraceSubscriber() {
CEF_REQUIRE_UIT();
if (collecting_trace_data_) {
TracingController::GetInstance()->DisableRecording(
base::FilePath(),
TracingController::TracingFileResultCallback());
}
}
bool CefTraceSubscriber::BeginTracing(const std::string& categories) {
CEF_REQUIRE_UIT();
if (collecting_trace_data_)
return false;
collecting_trace_data_ = true;
TracingController::GetInstance()->EnableRecording(
categories, TracingController::DEFAULT_OPTIONS,
TracingController::EnableRecordingDoneCallback());
return true;
}
bool CefTraceSubscriber::EndTracingAsync(
const base::FilePath& tracing_file,
CefRefPtr<CefEndTracingCallback> callback) {
CEF_REQUIRE_UIT();
if (!collecting_trace_data_)
return false;
TracingController::TracingFileResultCallback result_callback;
if (callback.get()) {
result_callback =
base::Bind(&CefTraceSubscriber::OnTracingFileResult,
weak_factory_.GetWeakPtr(), callback);
}
TracingController::GetInstance()->DisableRecording(
tracing_file, result_callback);
return true;
}
void CefTraceSubscriber::OnTracingFileResult(
CefRefPtr<CefEndTracingCallback> callback,
const base::FilePath& tracing_file) {
CEF_REQUIRE_UIT();
collecting_trace_data_ = false;
callback->OnEndTracingComplete(tracing_file.value());
}