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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.
#include "components/power/origin_power_map.h"
#include "base/logging.h"
#include "content/public/common/url_constants.h"
#include "url/gurl.h"
namespace power {
OriginPowerMap::OriginPowerMap() : total_consumed_(0.0) {
}
OriginPowerMap::~OriginPowerMap() {
}
int OriginPowerMap::GetPowerForOrigin(const GURL& url) {
if (!total_consumed_)
return 0;
OriginMap::const_iterator it = origin_map_.find(url.GetOrigin());
return it == origin_map_.end() ? 0 :
static_cast<int>(it->second * 100 / total_consumed_ + 0.5);
}
void OriginPowerMap::AddPowerForOrigin(const GURL& url, double power) {
DCHECK_GE(power, 0);
GURL origin = url.GetOrigin();
if (!origin.is_valid() || origin.SchemeIs(content::kChromeUIScheme))
return;
origin_map_[origin] += power;
total_consumed_ += power;
}
OriginPowerMap::PercentOriginMap OriginPowerMap::GetPercentOriginMap() {
OriginPowerMap::PercentOriginMap percent_map;
if (!total_consumed_)
return percent_map;
for (OriginMap::iterator it = origin_map_.begin(); it != origin_map_.end();
++it) {
percent_map[it->first] =
static_cast<int>(it->second * 100 / total_consumed_ + 0.5);
}
return percent_map;
}
scoped_ptr<OriginPowerMap::Subscription>
OriginPowerMap::AddPowerConsumptionUpdatedCallback(
const base::Closure& callback) {
return callback_list_.Add(callback);
}
void OriginPowerMap::OnAllOriginsUpdated() {
callback_list_.Notify();
}
void OriginPowerMap::ClearOriginMap() {
origin_map_.clear();
total_consumed_ = 0;
}
} // namespace power
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