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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/scripts_run_info.h"
#include "base/metrics/histogram_macros.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/script_context.h"
#include "third_party/blink/public/web/web_local_frame.h"
namespace extensions {
ScriptsRunInfo::ScriptsRunInfo(content::RenderFrame* render_frame,
mojom::RunLocation location)
: num_css(0u),
num_js(0u),
num_blocking_js(0u),
frame_token_(render_frame->GetWebFrame()->GetLocalFrameToken()),
run_location_(location),
frame_url_(ScriptContext::GetDocumentLoaderURLForFrame(
render_frame->GetWebFrame())) {}
ScriptsRunInfo::~ScriptsRunInfo() {
}
void ScriptsRunInfo::LogRun(bool send_script_activity) {
// Notify the browser if any extensions are now executing scripts.
if (!executing_scripts.empty() && send_script_activity) {
content::RenderFrame* frame = nullptr;
if (auto* web_frame = blink::WebLocalFrame::FromFrameToken(frame_token_)) {
frame = content::RenderFrame::FromWebFrame(web_frame);
}
if (frame) {
// We can't convert a map of sets into a flat_map of vectors with mojo
// bindings so we need to do it manually. The set property is useful for
// this class so we can't convert the class storage type.
std::vector<std::pair<std::string, std::vector<std::string>>>
scripts_vector;
for (auto& script : executing_scripts) {
scripts_vector.emplace_back(
script.first, std::vector<std::string>(script.second.begin(),
script.second.end()));
}
base::flat_map<std::string, std::vector<std::string>> mojo_scripts(
std::move(scripts_vector));
ExtensionFrameHelper::Get(frame)
->GetLocalFrameHost()
->ContentScriptsExecuting(mojo_scripts, frame_url_);
}
}
base::TimeDelta elapsed = timer.Elapsed();
switch (run_location_) {
case mojom::RunLocation::kDocumentStart:
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectStart_CssCount", num_css);
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectStart_ScriptCount", num_js);
if (num_blocking_js) {
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectStart_BlockingScriptCount",
num_blocking_js);
} else if (num_css || num_js) {
UMA_HISTOGRAM_TIMES("Extensions.InjectStart_Time", elapsed);
}
break;
case mojom::RunLocation::kDocumentEnd:
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectEnd_ScriptCount", num_js);
if (num_blocking_js) {
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectEnd_BlockingScriptCount",
num_blocking_js);
} else if (num_js) {
UMA_HISTOGRAM_TIMES("Extensions.InjectEnd_Time", elapsed);
}
break;
case mojom::RunLocation::kDocumentIdle:
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectIdle_ScriptCount", num_js);
if (num_blocking_js) {
UMA_HISTOGRAM_COUNTS_100("Extensions.InjectIdle_BlockingScriptCount",
num_blocking_js);
} else if (num_js) {
UMA_HISTOGRAM_TIMES("Extensions.InjectIdle_Time", elapsed);
}
break;
case mojom::RunLocation::kRunDeferred:
case mojom::RunLocation::kBrowserDriven:
// TODO(rdevlin.cronin): Add histograms.
break;
case mojom::RunLocation::kUndefined:
NOTREACHED();
}
}
} // namespace extensions
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