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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/page_load_metrics/observers/javascript_frameworks_ukm_observer.h"
#include "base/feature_list.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/loader/loading_behavior_flag.h"
#include "third_party/blink/public/mojom/loader/javascript_framework_detection.mojom-forward.h"
JavascriptFrameworksUkmObserver::JavascriptFrameworksUkmObserver() = default;
JavascriptFrameworksUkmObserver::~JavascriptFrameworksUkmObserver() = default;
page_load_metrics::PageLoadMetricsObserver::ObservePolicy
JavascriptFrameworksUkmObserver::OnFencedFramesStart(
content::NavigationHandle* navigation_handle,
const GURL& currently_committed_url) {
// OnLoadingBehaviorObserved events for detecting JavaScript frameworks are
// only kicked for outermost frames. See DetectJavascriptFrameworksOnLoad in
// third_party/blink/renderer/core/script/detect_javascript_frameworks.cc
return STOP_OBSERVING;
}
page_load_metrics::PageLoadMetricsObserver::ObservePolicy
JavascriptFrameworksUkmObserver::OnPrerenderStart(
content::NavigationHandle* navigation_handle,
const GURL& currently_committed_url) {
// Metrics should be collected for Prerendered frames but only recorded after
// the page has been displayed.
is_in_prerendered_page_ = true;
return CONTINUE_OBSERVING;
}
void JavascriptFrameworksUkmObserver::OnJavaScriptFrameworksObserved(
content::RenderFrameHost* rfh,
const blink::JavaScriptFrameworkDetectionResult& result) {
framework_detection_result_ = result;
}
void JavascriptFrameworksUkmObserver::OnComplete(
const page_load_metrics::mojom::PageLoadTiming&) {
if (is_in_prerendered_page_)
return;
RecordJavascriptFrameworkPageLoad();
}
JavascriptFrameworksUkmObserver::ObservePolicy
JavascriptFrameworksUkmObserver::FlushMetricsOnAppEnterBackground(
const page_load_metrics::mojom::PageLoadTiming&) {
if (is_in_prerendered_page_)
return CONTINUE_OBSERVING;
RecordJavascriptFrameworkPageLoad();
return STOP_OBSERVING;
}
void JavascriptFrameworksUkmObserver::RecordJavascriptFrameworkPageLoad() {
ukm::builders::JavascriptFrameworkPageLoad detect_framework_builder(
GetDelegate().GetPageUkmSourceId());
ukm::builders::ContentManagementSystemPageLoad detect_cms_builder(
GetDelegate().GetPageUkmSourceId());
using blink::mojom::JavaScriptFramework;
auto is_detected = [&](JavaScriptFramework framework) -> bool {
return framework_detection_result_.detected_versions.contains(framework);
};
detect_framework_builder
.SetAngularPageLoad(is_detected(JavaScriptFramework::kAngular))
.SetGatsbyPageLoad(is_detected(JavaScriptFramework::kGatsby))
.SetNextJSPageLoad(is_detected(JavaScriptFramework::kNext))
.SetNuxtJSPageLoad(is_detected(JavaScriptFramework::kNuxt))
.SetPreactPageLoad(is_detected(JavaScriptFramework::kPreact))
.SetReactPageLoad(is_detected(JavaScriptFramework::kReact))
.SetSapperPageLoad(is_detected(JavaScriptFramework::kSapper))
.SetSveltePageLoad(is_detected(JavaScriptFramework::kSvelte))
.SetVuePageLoad(is_detected(JavaScriptFramework::kVue))
.SetVuePressPageLoad(is_detected(JavaScriptFramework::kVuePress));
detect_framework_builder.Record(ukm::UkmRecorder::Get());
detect_cms_builder
.SetDrupalPageLoad(is_detected(JavaScriptFramework::kDrupal))
.SetJoomlaPageLoad(is_detected(JavaScriptFramework::kJoomla))
.SetShopifyPageLoad(is_detected(JavaScriptFramework::kShopify))
.SetSquarespacePageLoad(is_detected(JavaScriptFramework::kSquarespace))
.SetWixPageLoad(is_detected(JavaScriptFramework::kWix))
.SetWordPressPageLoad(is_detected(JavaScriptFramework::kWordPress));
detect_cms_builder.Record(ukm::UkmRecorder::Get());
ukm::builders::Blink_JavaScriptFramework_Versions versions_builder_jsf(
GetDelegate().GetPageUkmSourceId());
typedef ukm::builders::Blink_JavaScriptFramework_Versions& (
ukm::builders::Blink_JavaScriptFramework_Versions::*
JavaScriptFrameworkValueSetter)(int64_t);
ukm::builders::Blink_ContentManagementSystem_Versions versions_builder_cms(
GetDelegate().GetPageUkmSourceId());
typedef ukm::builders::Blink_ContentManagementSystem_Versions& (
ukm::builders::Blink_ContentManagementSystem_Versions::*
ContentManagementSystemValueSetter)(int64_t);
auto detect_jsf_version = [&](JavaScriptFramework framework,
JavaScriptFrameworkValueSetter setter) {
auto version =
framework_detection_result_.detected_versions.find(framework);
if (version == framework_detection_result_.detected_versions.end() ||
version->second == blink::kNoFrameworkVersionDetected) {
return false;
}
(versions_builder_jsf.*setter)(version->second);
return true;
};
auto detect_cms_version = [&](JavaScriptFramework framework,
ContentManagementSystemValueSetter setter) {
auto version =
framework_detection_result_.detected_versions.find(framework);
if (version == framework_detection_result_.detected_versions.end() ||
version->second == blink::kNoFrameworkVersionDetected) {
return false;
}
(versions_builder_cms.*setter)(version->second);
return true;
};
if (detect_jsf_version(JavaScriptFramework::kAngular,
&ukm::builders::Blink_JavaScriptFramework_Versions::
SetAngularVersion) ||
detect_jsf_version(JavaScriptFramework::kNext,
&ukm::builders::Blink_JavaScriptFramework_Versions::
SetNextJSVersion) ||
detect_jsf_version(
JavaScriptFramework::kNuxt,
&ukm::builders::Blink_JavaScriptFramework_Versions::SetNuxtVersion) ||
detect_jsf_version(
JavaScriptFramework::kVue,
&ukm::builders::Blink_JavaScriptFramework_Versions::SetVueVersion)) {
versions_builder_jsf.Record(ukm::UkmRecorder::Get());
}
if (detect_cms_version(
JavaScriptFramework::kDrupal,
&ukm::builders::Blink_ContentManagementSystem_Versions::
SetDrupalVersion) ||
detect_cms_version(
JavaScriptFramework::kWordPress,
&ukm::builders::Blink_ContentManagementSystem_Versions::
SetWordPressVersion)) {
versions_builder_cms.Record(ukm::UkmRecorder::Get());
}
}
void JavascriptFrameworksUkmObserver::DidActivatePrerenderedPage(
content::NavigationHandle* navigation_handle) {
DCHECK(is_in_prerendered_page_);
is_in_prerendered_page_ = false;
}
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