| // 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 |