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// Copyright 2017 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 "chrome/browser/ui/webui/media/media_engagement_ui.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/media/media_engagement_score.h"
#include "chrome/browser/media/media_engagement_score_details.mojom.h"
#include "chrome/browser/media/media_engagement_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/browser_resources.h"
#include "components/component_updater/component_updater_service.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/common/web_preferences.h"
#include "media/base/media_switches.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#if !defined(OS_ANDROID)
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#endif
namespace {
namespace {
// This is the component ID for the MEI Preload component.
const char kPreloadComponentID[] = "aemomkdncapdnfajjbbcbdebjljbpmpj";
} // namespace
// Implementation of media::mojom::MediaEngagementScoreDetailsProvider that
// retrieves engagement details from the MediaEngagementService.
class MediaEngagementScoreDetailsProviderImpl
: public media::mojom::MediaEngagementScoreDetailsProvider {
public:
MediaEngagementScoreDetailsProviderImpl(
content::WebUI* web_ui,
mojo::PendingReceiver<media::mojom::MediaEngagementScoreDetailsProvider>
receiver)
: web_ui_(web_ui),
profile_(Profile::FromWebUI(web_ui)),
receiver_(this, std::move(receiver)) {
DCHECK(web_ui_);
DCHECK(profile_);
service_ = MediaEngagementService::Get(profile_);
}
~MediaEngagementScoreDetailsProviderImpl() override {}
// media::mojom::MediaEngagementScoreDetailsProvider overrides:
void GetMediaEngagementScoreDetails(
media::mojom::MediaEngagementScoreDetailsProvider::
GetMediaEngagementScoreDetailsCallback callback) override {
std::move(callback).Run(service_->GetAllScoreDetails());
}
void GetMediaEngagementConfig(
media::mojom::MediaEngagementScoreDetailsProvider::
GetMediaEngagementConfigCallback callback) override {
std::move(callback).Run(media::mojom::MediaEngagementConfig::New(
MediaEngagementScore::GetScoreMinVisits(),
MediaEngagementScore::GetHighScoreLowerThreshold(),
MediaEngagementScore::GetHighScoreUpperThreshold(),
base::FeatureList::IsEnabled(media::kRecordMediaEngagementScores),
base::FeatureList::IsEnabled(
media::kMediaEngagementBypassAutoplayPolicies),
base::FeatureList::IsEnabled(media::kPreloadMediaEngagementData),
base::FeatureList::IsEnabled(media::kMediaEngagementHTTPSOnly),
base::FeatureList::IsEnabled(media::kAutoplayDisableSettings),
base::FeatureList::IsEnabled(media::kAutoplayWhitelistSettings),
GetBlockAutoplayPref(),
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAutoplayPolicy),
GetAppliedAutoplayPolicy(), GetPreloadVersion()));
}
private:
const std::string GetAppliedAutoplayPolicy() {
switch (web_ui_->GetWebContents()
->GetRenderViewHost()
->GetWebkitPreferences()
.autoplay_policy) {
case content::AutoplayPolicy::kNoUserGestureRequired:
return "no-user-gesture-required";
case content::AutoplayPolicy::kUserGestureRequired:
return "user-gesture-required";
case content::AutoplayPolicy::kDocumentUserActivationRequired:
return "document-user-activation-required";
}
}
const std::string GetPreloadVersion() {
component_updater::ComponentUpdateService* cus =
g_browser_process->component_updater();
std::vector<component_updater::ComponentInfo> info = cus->GetComponents();
for (const auto& component : info) {
if (component.id == kPreloadComponentID)
return component.version.GetString();
}
return std::string();
}
// Pref is not available on Android.
bool GetBlockAutoplayPref() {
#if defined(OS_ANDROID)
return false;
#else
return profile_->GetPrefs()->GetBoolean(prefs::kBlockAutoplayEnabled);
#endif
}
content::WebUI* web_ui_;
Profile* profile_;
MediaEngagementService* service_;
mojo::Receiver<media::mojom::MediaEngagementScoreDetailsProvider> receiver_;
DISALLOW_COPY_AND_ASSIGN(MediaEngagementScoreDetailsProviderImpl);
};
} // namespace
MediaEngagementUI::MediaEngagementUI(content::WebUI* web_ui)
: ui::MojoWebUIController(web_ui) {
// Setup the data source behind chrome://media-engagement.
std::unique_ptr<content::WebUIDataSource> source(
content::WebUIDataSource::Create(chrome::kChromeUIMediaEngagementHost));
source->AddResourcePath("media-engagement.js", IDR_MEDIA_ENGAGEMENT_JS);
source->AddResourcePath(
"chrome/browser/media/media_engagement_score_details.mojom-lite.js",
IDR_MEDIA_ENGAGEMENT_SCORE_DETAILS_MOJOM_LITE_JS);
source->SetDefaultResource(IDR_MEDIA_ENGAGEMENT_HTML);
content::WebUIDataSource::Add(Profile::FromWebUI(web_ui), source.release());
AddHandlerToRegistry(base::BindRepeating(
&MediaEngagementUI::BindMediaEngagementScoreDetailsProvider,
base::Unretained(this)));
}
MediaEngagementUI::~MediaEngagementUI() = default;
void MediaEngagementUI::BindMediaEngagementScoreDetailsProvider(
mojo::PendingReceiver<media::mojom::MediaEngagementScoreDetailsProvider>
receiver) {
ui_handler_ = std::make_unique<MediaEngagementScoreDetailsProviderImpl>(
web_ui(), std::move(receiver));
}
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