mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
5bb2480bcd
This updates to mojo 4e4d51ce28a and mojo sdk 711a0bcfb141b4 and updates the sky package's pubspec.yaml dependency to '>=0.1.0 <0.2.0' to be compatible with the current mojo package. This includes an update to the Mojo Dart generator to produce real classes for enums and the corresponding updates for users of the KeyboardType enum in Sky as well as one scoped_ptr->std::unique_ptr in shell corresponding to a change in the Mojo EDK. When a new version of the sky and sky_services package are pushed this will fix domokit/mojo#440.
99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
// Copyright 2015 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.
|
|
|
|
#include "mojo/common/trace_provider_impl.h"
|
|
|
|
#include "base/callback.h"
|
|
#include "base/logging.h"
|
|
#include "base/memory/weak_ptr.h"
|
|
#include "base/time/time.h"
|
|
#include "base/trace_event/trace_config.h"
|
|
#include "base/trace_event/trace_event.h"
|
|
#include "mojo/public/cpp/application/application_connection.h"
|
|
#include "mojo/public/cpp/application/application_impl.h"
|
|
|
|
namespace mojo {
|
|
|
|
TraceProviderImpl::TraceProviderImpl()
|
|
: binding_(this), tracing_forced_(false), weak_factory_(this) {}
|
|
|
|
TraceProviderImpl::~TraceProviderImpl() {}
|
|
|
|
void TraceProviderImpl::Bind(InterfaceRequest<tracing::TraceProvider> request) {
|
|
if (!binding_.is_bound()) {
|
|
binding_.Bind(request.Pass());
|
|
} else {
|
|
LOG(ERROR) << "Cannot accept two connections to TraceProvider.";
|
|
}
|
|
}
|
|
|
|
void TraceProviderImpl::StartTracing(const String& categories,
|
|
tracing::TraceRecorderPtr recorder) {
|
|
DCHECK(!recorder_.get());
|
|
recorder_ = recorder.Pass();
|
|
tracing_forced_ = false;
|
|
if (!base::trace_event::TraceLog::GetInstance()->IsEnabled()) {
|
|
std::string categories_str = categories.To<std::string>();
|
|
base::trace_event::TraceLog::GetInstance()->SetEnabled(
|
|
base::trace_event::TraceConfig(categories_str,
|
|
base::trace_event::RECORD_UNTIL_FULL),
|
|
base::trace_event::TraceLog::RECORDING_MODE);
|
|
}
|
|
}
|
|
|
|
void TraceProviderImpl::StopTracing() {
|
|
DCHECK(recorder_);
|
|
base::trace_event::TraceLog::GetInstance()->SetDisabled();
|
|
|
|
base::trace_event::TraceLog::GetInstance()->Flush(
|
|
base::Bind(&TraceProviderImpl::SendChunk, base::Unretained(this)));
|
|
}
|
|
|
|
void TraceProviderImpl::ForceEnableTracing() {
|
|
base::trace_event::TraceLog::GetInstance()->SetEnabled(
|
|
base::trace_event::TraceConfig("*", base::trace_event::RECORD_UNTIL_FULL),
|
|
base::trace_event::TraceLog::RECORDING_MODE);
|
|
tracing_forced_ = true;
|
|
base::MessageLoop::current()->PostTask(
|
|
FROM_HERE,
|
|
base::Bind(&TraceProviderImpl::DelayedStop, weak_factory_.GetWeakPtr()));
|
|
}
|
|
|
|
void TraceProviderImpl::DelayedStop() {
|
|
// We use this indirection to account for cases where the Initialize app
|
|
// method (within which TraceProviderImpl is created) takes more than one
|
|
// second to finish; thus we start the countdown only when the current thread
|
|
// is unblocked.
|
|
base::MessageLoop::current()->PostDelayedTask(
|
|
FROM_HERE,
|
|
base::Bind(&TraceProviderImpl::StopIfForced, weak_factory_.GetWeakPtr()),
|
|
base::TimeDelta::FromSeconds(1));
|
|
}
|
|
|
|
void TraceProviderImpl::StopIfForced() {
|
|
if (!tracing_forced_) {
|
|
return;
|
|
}
|
|
base::trace_event::TraceLog::GetInstance()->SetDisabled();
|
|
base::trace_event::TraceLog::GetInstance()->Flush(
|
|
base::Callback<void(const scoped_refptr<base::RefCountedString>&,
|
|
bool)>());
|
|
}
|
|
|
|
void TraceProviderImpl::SendChunk(
|
|
const scoped_refptr<base::RefCountedString>& events_str,
|
|
bool has_more_events) {
|
|
DCHECK(recorder_);
|
|
// The string will be empty if an error eccured or there were no trace
|
|
// events. Empty string is not a valid chunk to record so skip in this case.
|
|
if (!events_str->data().empty()) {
|
|
recorder_->Record(mojo::String(events_str->data()));
|
|
}
|
|
if (!has_more_events) {
|
|
recorder_.reset();
|
|
}
|
|
}
|
|
|
|
} // namespace mojo
|