| // Copyright (c) 2011 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/renderer/pepper/ppb_uma_private_impl.h" |
| |
| #include "base/metrics/histogram.h" |
| #include "ppapi/c/pp_var.h" |
| #include "ppapi/c/private/ppb_uma_private.h" |
| #include "ppapi/shared_impl/var.h" |
| |
| using ppapi::StringVar; |
| |
| namespace content { |
| |
| namespace { |
| |
| #define RETURN_IF_BAD_ARGS(_name, _sample, _min, _max, _bucket_count) \ |
| do { \ |
| if (_name.type != PP_VARTYPE_STRING || _name.value.as_id == 0) \ |
| return; \ |
| if (_min >= _max) \ |
| return; \ |
| if (_bucket_count <= 1) \ |
| return; \ |
| } while (0) |
| |
| void HistogramCustomTimes(PP_Var name, |
| int64_t sample, |
| int64_t min, int64_t max, |
| uint32_t bucket_count) { |
| RETURN_IF_BAD_ARGS(name, sample, min, max, bucket_count); |
| |
| StringVar* name_string = StringVar::FromPPVar(name); |
| if (name_string == NULL) |
| return; |
| base::HistogramBase* counter = |
| base::Histogram::FactoryTimeGet( |
| name_string->value(), |
| base::TimeDelta::FromMilliseconds(min), |
| base::TimeDelta::FromMilliseconds(max), |
| bucket_count, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| counter->AddTime(base::TimeDelta::FromMilliseconds(sample)); |
| } |
| |
| void HistogramCustomCounts(PP_Var name, |
| int32_t sample, |
| int32_t min, int32_t max, |
| uint32_t bucket_count) { |
| RETURN_IF_BAD_ARGS(name, sample, min, max, bucket_count); |
| |
| StringVar* name_string = StringVar::FromPPVar(name); |
| if (name_string == NULL) |
| return; |
| base::HistogramBase* counter = |
| base::Histogram::FactoryGet( |
| name_string->value(), |
| min, |
| max, |
| bucket_count, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| counter->Add(sample); |
| } |
| |
| void HistogramEnumeration(PP_Var name, |
| int32_t sample, |
| int32_t boundary_value) { |
| RETURN_IF_BAD_ARGS(name, sample, 1, boundary_value, boundary_value + 1); |
| |
| StringVar* name_string = StringVar::FromPPVar(name); |
| if (name_string == NULL) |
| return; |
| base::HistogramBase* counter = |
| base::LinearHistogram::FactoryGet( |
| name_string->value(), |
| 1, |
| boundary_value, |
| boundary_value + 1, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| counter->Add(sample); |
| } |
| |
| } // namespace |
| |
| const PPB_UMA_Private ppb_uma = { |
| &HistogramCustomTimes, |
| &HistogramCustomCounts, |
| &HistogramEnumeration, |
| }; |
| |
| // static |
| const PPB_UMA_Private* PPB_UMA_Private_Impl::GetInterface() { |
| return &ppb_uma; |
| } |
| |
| } // namespace content |