| // Copyright 2016 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/data_use_measurement/content/content_url_request_classifier.h" |
| |
| #include <string> |
| |
| #include "base/metrics/histogram_macros.h" |
| #include "base/metrics/sparse_histogram.h" |
| #include "base/strings/string_util.h" |
| #include "content/public/browser/resource_request_info.h" |
| #include "content/public/common/resource_type.h" |
| #include "net/http/http_response_headers.h" |
| #include "net/url_request/url_request.h" |
| #include "ui/base/page_transition_types.h" |
| |
| namespace { |
| |
| // Data use broken by page transition type. This enum must remain synchronized |
| // with the enum of the same name in metrics/histograms/histograms.xml. The enum |
| // values have the same meaning as ui::PageTransition in |
| // ui/base/page_transition_types.h. These values are written to logs. New enum |
| // values can be added, but existing enums must never be renumbered or deleted |
| // and reused. |
| enum DataUsePageTransition { |
| LINK = 0, |
| TYPED = 1, |
| AUTO_BOOKMARK = 2, |
| SUBFRAME = 3, // AUTO_SUBFRAME and MANUAL_SUBFRAME transitions. |
| GENERATED = 4, |
| AUTO_TOPLEVEL = 5, |
| FORM_SUBMIT = 6, |
| RELOAD = 7, |
| KEYWORD = 8, // KEYWORD and KEYWORD_GENERATED transitions. |
| FORWARD_BACK = 9, |
| HOME_PAGE = 10, |
| TRANSITION_MAX = 11, |
| }; |
| |
| } // namespace |
| |
| namespace data_use_measurement { |
| |
| DataUseUserData::DataUseContentType ContentURLRequestClassifier::GetContentType( |
| const net::URLRequest& request, |
| const net::HttpResponseHeaders& response_headers) const { |
| content::ResourceRequestInfo* request_info = |
| content::ResourceRequestInfo::ForRequest(&request); |
| std::string mime_type; |
| if (response_headers.GetMimeType(&mime_type)) { |
| if (mime_type == "text/html" && request_info && |
| request_info->GetResourceType() == content::ResourceType::kMainFrame) { |
| return DataUseUserData::MAIN_FRAME_HTML; |
| } |
| if (mime_type == "text/html") |
| return DataUseUserData::NON_MAIN_FRAME_HTML; |
| if (mime_type == "text/css") |
| return DataUseUserData::CSS; |
| if (base::StartsWith(mime_type, "image/", base::CompareCase::SENSITIVE)) |
| return DataUseUserData::IMAGE; |
| if (base::EndsWith(mime_type, "javascript", base::CompareCase::SENSITIVE) || |
| base::EndsWith(mime_type, "ecmascript", base::CompareCase::SENSITIVE)) { |
| return DataUseUserData::JAVASCRIPT; |
| } |
| if (mime_type.find("font") != std::string::npos) |
| return DataUseUserData::FONT; |
| if (base::StartsWith(mime_type, "audio/", base::CompareCase::SENSITIVE)) |
| return DataUseUserData::AUDIO; |
| if (base::StartsWith(mime_type, "video/", base::CompareCase::SENSITIVE)) |
| return DataUseUserData::VIDEO; |
| } |
| return DataUseUserData::OTHER; |
| } |
| |
| void ContentURLRequestClassifier::RecordPageTransitionUMA( |
| uint64_t page_transition, |
| int64_t received_bytes) const { |
| DataUsePageTransition data_use_page_transition = |
| DataUsePageTransition::TRANSITION_MAX; |
| if (received_bytes <= 0) |
| return; |
| |
| if (page_transition & ui::PAGE_TRANSITION_FORWARD_BACK) { |
| data_use_page_transition = DataUsePageTransition::FORWARD_BACK; |
| } else if (page_transition & ui::PAGE_TRANSITION_HOME_PAGE) { |
| data_use_page_transition = DataUsePageTransition::HOME_PAGE; |
| } else { |
| switch (page_transition & ui::PAGE_TRANSITION_CORE_MASK) { |
| case ui::PAGE_TRANSITION_LINK: |
| data_use_page_transition = DataUsePageTransition::LINK; |
| break; |
| case ui::PAGE_TRANSITION_TYPED: |
| data_use_page_transition = DataUsePageTransition::TYPED; |
| break; |
| case ui::PAGE_TRANSITION_AUTO_BOOKMARK: |
| data_use_page_transition = DataUsePageTransition::AUTO_BOOKMARK; |
| break; |
| case ui::PAGE_TRANSITION_AUTO_SUBFRAME: |
| case ui::PAGE_TRANSITION_MANUAL_SUBFRAME: |
| data_use_page_transition = DataUsePageTransition::SUBFRAME; |
| break; |
| case ui::PAGE_TRANSITION_GENERATED: |
| data_use_page_transition = DataUsePageTransition::GENERATED; |
| break; |
| case ui::PAGE_TRANSITION_AUTO_TOPLEVEL: |
| data_use_page_transition = DataUsePageTransition::AUTO_TOPLEVEL; |
| break; |
| case ui::PAGE_TRANSITION_FORM_SUBMIT: |
| data_use_page_transition = DataUsePageTransition::FORM_SUBMIT; |
| break; |
| case ui::PAGE_TRANSITION_RELOAD: |
| data_use_page_transition = DataUsePageTransition::RELOAD; |
| break; |
| case ui::PAGE_TRANSITION_KEYWORD: |
| case ui::PAGE_TRANSITION_KEYWORD_GENERATED: |
| data_use_page_transition = DataUsePageTransition::KEYWORD; |
| break; |
| default: |
| return; |
| } |
| } |
| DCHECK_NE(DataUsePageTransition::TRANSITION_MAX, data_use_page_transition); |
| |
| // Use the more primitive STATIC_HISTOGRAM_POINTER_BLOCK macro because the |
| // simple UMA_HISTOGRAM_ENUMERATION macros don't expose 'AddKiB'. |
| STATIC_HISTOGRAM_POINTER_BLOCK( |
| "DataUse.PageTransition.UserTrafficKB", |
| AddKiB(data_use_page_transition, received_bytes), |
| base::LinearHistogram::FactoryGet( |
| "DataUse.PageTransition.UserTrafficKB", 1, |
| DataUsePageTransition::TRANSITION_MAX, |
| DataUsePageTransition::TRANSITION_MAX + 1, |
| base::HistogramBase::kUmaTargetedHistogramFlag)); |
| } |
| |
| bool ContentURLRequestClassifier::IsFavIconRequest( |
| const net::URLRequest& request) const { |
| content::ResourceRequestInfo* request_info = |
| content::ResourceRequestInfo::ForRequest(&request); |
| return request_info && |
| request_info->GetResourceType() == content::ResourceType::kFavicon; |
| } |
| |
| } // namespace data_use_measurement |