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// 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 "content/renderer/pepper/pepper_plugin_instance_metrics.h"
#include <stddef.h>
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "build/build_config.h"
#include "ppapi/shared_impl/ppapi_preferences.h"
#define UMA_HISTOGRAM_ASPECT_RATIO(name, width, height) \
base::UmaHistogramSparse( \
name, (height) ? ((width)*100) / (height) : kInfiniteRatio);
namespace content {
namespace {
// Histogram tracking prevalence of tiny Flash instances. Units in pixels.
enum PluginFlashTinyContentSize {
TINY_CONTENT_SIZE_1_1 = 0,
TINY_CONTENT_SIZE_5_5 = 1,
TINY_CONTENT_SIZE_10_10 = 2,
TINY_CONTENT_SIZE_LARGE = 3,
TINY_CONTENT_SIZE_NUM_ITEMS
};
const int kInfiniteRatio = 99999;
const char kFlashClickSizeAspectRatioHistogram[] =
"Plugin.Flash.ClickSize.AspectRatio";
const char kFlashClickSizeHeightHistogram[] = "Plugin.Flash.ClickSize.Height";
const char kFlashClickSizeWidthHistogram[] = "Plugin.Flash.ClickSize.Width";
const char kFlashTinyContentSizeHistogram[] = "Plugin.Flash.TinyContentSize";
} // namespace
void RecordFlashSizeMetric(int width, int height) {
PluginFlashTinyContentSize size = TINY_CONTENT_SIZE_LARGE;
if (width <= 1 && height <= 1)
size = TINY_CONTENT_SIZE_1_1;
else if (width <= 5 && height <= 5)
size = TINY_CONTENT_SIZE_5_5;
else if (width <= 10 && height <= 10)
size = TINY_CONTENT_SIZE_10_10;
UMA_HISTOGRAM_ENUMERATION(kFlashTinyContentSizeHistogram, size,
TINY_CONTENT_SIZE_NUM_ITEMS);
}
void RecordFlashClickSizeMetric(int width, int height) {
base::HistogramBase* width_histogram = base::LinearHistogram::FactoryGet(
kFlashClickSizeWidthHistogram,
0, // minimum width
500, // maximum width
100, // number of buckets.
base::HistogramBase::kUmaTargetedHistogramFlag);
width_histogram->Add(width);
base::HistogramBase* height_histogram = base::LinearHistogram::FactoryGet(
kFlashClickSizeHeightHistogram,
0, // minimum height
400, // maximum height
100, // number of buckets.
base::HistogramBase::kUmaTargetedHistogramFlag);
height_histogram->Add(height);
UMA_HISTOGRAM_ASPECT_RATIO(kFlashClickSizeAspectRatioHistogram, width,
height);
}
} // namespace content
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