1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PAGE_INFO_ABOUT_THIS_SITE_TAB_HELPER_H_
#define CHROME_BROWSER_PAGE_INFO_ABOUT_THIS_SITE_TAB_HELPER_H_
#include "base/memory/raw_ptr.h"
#include "components/optimization_guide/core/hints/optimization_guide_decision.h"
#include "components/page_info/core/about_this_site_service.h"
#include "components/page_info/core/proto/about_this_site_metadata.pb.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
namespace optimization_guide {
class OptimizationGuideDecider;
class OptimizationMetadata;
} // namespace optimization_guide
// This WebContentsObserver fetches AboutThisSite hints from OptimizationGuide
// and registers a SidePanel entry.
class AboutThisSiteTabHelper
: public content::WebContentsObserver,
public content::WebContentsUserData<AboutThisSiteTabHelper>,
public page_info::AboutThisSiteService::TabHelper {
public:
~AboutThisSiteTabHelper() override;
AboutThisSiteTabHelper(const AboutThisSiteTabHelper&) = delete;
AboutThisSiteTabHelper& operator=(const AboutThisSiteTabHelper&) = delete;
// content::WebContentsObserver implementation
void PrimaryPageChanged(content::Page& page) override;
// Get the AboutThisSiteMetadata for this page if available.
page_info::AboutThisSiteService::DecisionAndMetadata
GetAboutThisSiteMetadata() const override;
private:
explicit AboutThisSiteTabHelper(
content::WebContents* web_contents,
optimization_guide::OptimizationGuideDecider* optimization_guide_decider);
friend class content::WebContentsUserData<AboutThisSiteTabHelper>;
void OnOptimizationGuideDecision(
const GURL& main_frame_url,
optimization_guide::OptimizationGuideDecision decision,
const optimization_guide::OptimizationMetadata& metadata);
optimization_guide::OptimizationGuideDecision decision_;
std::optional<page_info::proto::AboutThisSiteMetadata>
about_this_site_metadata_;
raw_ptr<optimization_guide::OptimizationGuideDecider>
optimization_guide_decider_ = nullptr;
base::WeakPtrFactory<AboutThisSiteTabHelper> weak_ptr_factory_{this};
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
#endif // CHROME_BROWSER_PAGE_INFO_ABOUT_THIS_SITE_TAB_HELPER_H_
|