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content / browser / attribution_reporting / attribution_host.h [blame]
// 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.
#ifndef CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_HOST_H_
#define CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_HOST_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "base/containers/flat_set.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "components/attribution_reporting/data_host.mojom-forward.h"
#include "content/browser/attribution_reporting/attribution_suitable_context.h"
#include "content/common/content_export.h"
#include "content/public/browser/render_frame_host_receiver_set.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "third_party/blink/public/mojom/conversions/conversions.mojom.h"
namespace content {
struct AttributionInputEvent;
class RenderFrameHost;
class WebContents;
#if BUILDFLAG(IS_ANDROID)
class AttributionInputEventTrackerAndroid;
#endif
// Class responsible for listening to conversion events originating from blink,
// and verifying that they are valid. Owned by the WebContents. Lifetime is
// bound to lifetime of the WebContents.
class CONTENT_EXPORT AttributionHost
: public WebContentsObserver,
public WebContentsUserData<AttributionHost>,
public blink::mojom::AttributionHost {
public:
explicit AttributionHost(WebContents* web_contents);
AttributionHost(const AttributionHost&) = delete;
AttributionHost& operator=(const AttributionHost&) = delete;
AttributionHost(AttributionHost&&) = delete;
AttributionHost& operator=(AttributionHost&&) = delete;
~AttributionHost() override;
static void BindReceiver(
mojo::PendingAssociatedReceiver<blink::mojom::AttributionHost> receiver,
RenderFrameHost* rfh);
AttributionInputEvent GetMostRecentNavigationInputEvent() const;
#if BUILDFLAG(IS_ANDROID)
AttributionInputEventTrackerAndroid* input_event_tracker() {
return input_event_tracker_android_.get();
}
#endif
private:
friend class AttributionHostTestPeer;
friend class WebContentsUserData<AttributionHost>;
// blink::mojom::AttributionHost:
void NotifyNavigationWithBackgroundRegistrationsWillStart(
const blink::AttributionSrcToken& attribution_src_token,
uint32_t expected_registrations) override;
void RegisterDataHost(
mojo::PendingReceiver<attribution_reporting::mojom::DataHost>,
attribution_reporting::mojom::RegistrationEligibility,
bool is_for_background_requests) override;
void RegisterNavigationDataHost(
mojo::PendingReceiver<attribution_reporting::mojom::DataHost> data_host,
const blink::AttributionSrcToken& attribution_src_token) override;
// WebContentsObserver:
void DidStartNavigation(NavigationHandle* navigation_handle) override;
void DidRedirectNavigation(NavigationHandle* navigation_handle) override;
void DidFinishNavigation(NavigationHandle* navigation_handle) override;
void NotifyNavigationRegistrationData(NavigationHandle* navigation_handle);
// Keeps track of navigations for which we can register sources (i.e. All
// conditions were met in `DidStartNavigation` and
// `DataHostManager::NotifyNavigationRegistrationStarted` was called). This
// avoids making useless calls or checks when processing responses in
// `DidRedirectNavigation` and `DidFinishNavigation` for navigations for which
// we can't register sources.
base::flat_set<int64_t> ongoing_registration_eligible_navigations_;
RenderFrameHostReceiverSet<blink::mojom::AttributionHost> receivers_;
#if BUILDFLAG(IS_ANDROID)
std::unique_ptr<AttributionInputEventTrackerAndroid>
input_event_tracker_android_;
#endif
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace content
#endif // CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_HOST_H_