| // 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. |
| |
| #include "content/browser/devtools/protocol/power_handler.h" |
| |
| #include "content/browser/power_profiler/power_profiler_service.h" |
| |
| namespace content { |
| namespace devtools { |
| namespace power { |
| |
| typedef DevToolsProtocolClient::Response Response; |
| |
| PowerHandler::PowerHandler() : enabled_(false) { |
| } |
| |
| PowerHandler::~PowerHandler() { |
| if (enabled_) |
| PowerProfilerService::GetInstance()->RemoveObserver(this); |
| } |
| |
| void PowerHandler::SetClient(scoped_ptr<Client> client) { |
| client_.swap(client); |
| } |
| |
| void PowerHandler::OnPowerEvent(const PowerEventVector& events) { |
| std::vector<scoped_refptr<PowerEvent>> event_list; |
| for (const auto& event : events) { |
| DCHECK(event.type < content::PowerEvent::ID_COUNT); |
| // Use internal value to be consistent with Blink's |
| // monotonicallyIncreasingTime. |
| double timestamp = event.time.ToInternalValue() / |
| static_cast<double>(base::Time::kMicrosecondsPerMillisecond); |
| event_list.push_back(PowerEvent::Create() |
| ->set_type(kPowerTypeNames[event.type]) |
| ->set_timestamp(timestamp) |
| ->set_value(event.value)); |
| } |
| client_->DataAvailable(DataAvailableParams::Create()->set_value(event_list)); |
| } |
| |
| void PowerHandler::Detached() { |
| if (enabled_) { |
| PowerProfilerService::GetInstance()->RemoveObserver(this); |
| enabled_ = false; |
| } |
| } |
| |
| Response PowerHandler::Start() { |
| if (!PowerProfilerService::GetInstance()->IsAvailable()) |
| return Response::InternalError("Power profiler service unavailable"); |
| if (!enabled_) { |
| PowerProfilerService::GetInstance()->AddObserver(this); |
| enabled_ = true; |
| } |
| return Response::OK(); |
| } |
| |
| Response PowerHandler::End() { |
| if (!PowerProfilerService::GetInstance()->IsAvailable()) |
| return Response::InternalError("Power profiler service unavailable"); |
| if (enabled_) { |
| PowerProfilerService::GetInstance()->RemoveObserver(this); |
| enabled_ = false; |
| } |
| return Response::OK(); |
| } |
| |
| Response PowerHandler::CanProfilePower(bool* result) { |
| *result = PowerProfilerService::GetInstance()->IsAvailable(); |
| return Response::OK(); |
| } |
| |
| Response PowerHandler::GetAccuracyLevel(std::string* result) { |
| if (!PowerProfilerService::GetInstance()->IsAvailable()) |
| return Response::InternalError("Power profiler service unavailable"); |
| *result = PowerProfilerService::GetInstance()->GetAccuracyLevel(); |
| return Response::OK(); |
| } |
| |
| } // namespace power |
| } // namespace devtools |
| } // namespace content |