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// Copyright (c) 2013 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/loader/power_save_block_resource_throttle.h"
#include "base/profiler/scoped_tracker.h"
#include "content/public/browser/power_save_blocker.h"
namespace content {
namespace {
const int kPowerSaveBlockDelaySeconds = 30;
} // namespace
PowerSaveBlockResourceThrottle::PowerSaveBlockResourceThrottle() {
}
PowerSaveBlockResourceThrottle::~PowerSaveBlockResourceThrottle() {
}
void PowerSaveBlockResourceThrottle::WillStartRequest(bool* defer) {
// Delay PowerSaveBlocker activation to dismiss small requests.
timer_.Start(FROM_HERE,
base::TimeDelta::FromSeconds(kPowerSaveBlockDelaySeconds),
this,
&PowerSaveBlockResourceThrottle::ActivatePowerSaveBlocker);
}
void PowerSaveBlockResourceThrottle::WillProcessResponse(bool* defer) {
// TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
tracked_objects::ScopedTracker tracking_profile(
FROM_HERE_WITH_EXPLICIT_FUNCTION(
"422516 PowerSaveBlockResourceThrottle::WillProcessResponse"));
// Stop blocking power save after request finishes.
power_save_blocker_.reset();
timer_.Stop();
}
const char* PowerSaveBlockResourceThrottle::GetNameForLogging() const {
return "PowerSaveBlockResourceThrottle";
}
void PowerSaveBlockResourceThrottle::ActivatePowerSaveBlocker() {
power_save_blocker_ = PowerSaveBlocker::Create(
PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
"Uploading data.");
}
} // namespace content
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