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// Copyright 2021 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_INTEREST_GROUP_DEBUGGABLE_AUCTION_WORKLET_H_
#define CONTENT_BROWSER_INTEREST_GROUP_DEBUGGABLE_AUCTION_WORKLET_H_
#include <optional>
#include <string>
#include <variant>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "base/process/process_handle.h"
#include "content/browser/interest_group/auction_process_manager.h"
#include "content/common/content_export.h"
#include "content/services/auction_worklet/public/mojom/bidder_worklet.mojom-forward.h"
#include "content/services/auction_worklet/public/mojom/seller_worklet.mojom-forward.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "third_party/blink/public/mojom/devtools/devtools_agent.mojom-forward.h"
#include "url/gurl.h"
namespace perfetto {
class TracedValue;
} // namespace perfetto
namespace content {
class RenderFrameHostImpl;
// This is an opaque representation of a worklet (either buyer or seller) for
// help in interfacing with a debugger --- adding observers to
// DebuggableAuctionWorkletTracker will notify of creation/destruction of these.
class CONTENT_EXPORT DebuggableAuctionWorklet {
public:
enum class WorkletType {
kBidder,
kSeller,
};
using PidCallback = base::OnceCallback<void(base::ProcessId)>;
explicit DebuggableAuctionWorklet(const DebuggableAuctionWorklet&) = delete;
DebuggableAuctionWorklet& operator=(const DebuggableAuctionWorklet&) = delete;
const GURL& url() const { return url_; }
RenderFrameHostImpl* owning_frame() const { return owning_frame_; }
// Human-readable description of the worklet. (For English-speaking humans,
// anyway).
std::string Title() const;
// Returns a random GUID associated with this worklet.
const std::string& UniqueId() const { return unique_id_; }
WorkletType Type() const;
void ConnectDevToolsAgent(
mojo::PendingAssociatedReceiver<blink::mojom::DevToolsAgent> agent);
// Returns true if the worklet should start in the paused state.
bool should_pause_on_start() const { return should_pause_on_start_; }
std::optional<base::ProcessId> GetPid(PidCallback callback);
private:
friend class AuctionRunner;
friend class AuctionWorkletManager;
friend class std::default_delete<DebuggableAuctionWorklet>;
// Registers `this` with DebuggableAuctionWorkletTracker, and passes through
// NotifyCreated() observers.
//
// The mojo pipe must outlive `this`, as must `owning_frame` and
// `process_handle`.
DebuggableAuctionWorklet(
RenderFrameHostImpl* owning_frame,
AuctionProcessManager::ProcessHandle& process_handle,
const GURL& url,
auction_worklet::mojom::BidderWorklet* bidder_worklet,
size_t thread_index);
DebuggableAuctionWorklet(
RenderFrameHostImpl* owning_frame,
AuctionProcessManager::ProcessHandle& process_handle,
const GURL& url,
auction_worklet::mojom::SellerWorklet* seller_worklet,
size_t thread_index);
// Unregisters `this` from DebuggableAuctionWorkletTracker, and notifies
// NotifyDestroyed() observers.
~DebuggableAuctionWorklet();
void RequestPid();
void OnHavePid(base::ProcessId process_id);
// Records parameter data for auction process assignment events.
void TraceProcessData(perfetto::TracedValue trace_context);
const raw_ptr<RenderFrameHostImpl> owning_frame_ = nullptr;
const raw_ref<AuctionProcessManager::ProcessHandle> process_handle_;
const GURL url_;
const std::string unique_id_;
std::optional<base::ProcessId> pid_;
bool should_pause_on_start_ = false;
std::variant<auction_worklet::mojom::BidderWorklet*,
auction_worklet::mojom::SellerWorklet*>
worklet_;
size_t thread_index_ = 0;
base::WeakPtrFactory<DebuggableAuctionWorklet> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_INTEREST_GROUP_DEBUGGABLE_AUCTION_WORKLET_H_
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