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// Copyright 2024 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_ASH_PRINTING_PRINT_PREVIEW_PRINT_PREVIEW_WEBCONTENTS_ADAPTER_ASH_H_
#define CHROME_BROWSER_ASH_PRINTING_PRINT_PREVIEW_PRINT_PREVIEW_WEBCONTENTS_ADAPTER_ASH_H_
#include <memory>
#include "ash/public/cpp/print_preview_delegate.h"
#include "base/memory/weak_ptr.h"
#include "base/unguessable_token.h"
#include "chrome/browser/ash/printing/print_preview/print_preview_dialog_controller_cros.h"
#include "chromeos/crosapi/mojom/print_preview_cros.mojom.h"
#include "components/printing/common/print.mojom-forward.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace ash::printing {
// Implements the PrintPreviewDelegate to handle calls from the browser.
// This class is also the adapter to facilitate calls from ash to chrome
// browser (via PrintPreviewCrosClient). It uses crosapi to handle cross process
// communication.
// There are two possible communication pipelines, lacros via mojom and
// ash-chrome via delegate.
class PrintPreviewWebcontentsAdapterAsh
: public PrintPreviewDelegate,
public crosapi::mojom::PrintPreviewCrosDelegate,
public PrintPreviewDialogControllerCros::DialogControllerObserver {
public:
PrintPreviewWebcontentsAdapterAsh();
PrintPreviewWebcontentsAdapterAsh(const PrintPreviewWebcontentsAdapterAsh&) =
delete;
PrintPreviewWebcontentsAdapterAsh& operator=(
const PrintPreviewWebcontentsAdapterAsh&) = delete;
~PrintPreviewWebcontentsAdapterAsh() override;
// Binds a pending receiver connected to a lacros mojo client to the delegate.
void BindReceiver(
mojo::PendingReceiver<crosapi::mojom::PrintPreviewCrosDelegate> receiver);
// crosapi::mojom::PrintPreviewCrosDelegate
void RegisterMojoClient(
mojo::PendingRemote<crosapi::mojom::PrintPreviewCrosClient> client,
RegisterMojoClientCallback callback) override;
void RequestPrintPreview(
const base::UnguessableToken& token,
::printing::mojom::RequestPrintPreviewParamsPtr params,
RequestPrintPreviewCallback callback) override;
// The initiator source is no longer available, close the print dialog.
void PrintPreviewDone(const base::UnguessableToken& token,
PrintPreviewDoneCallback callback) override;
// PrintPreviewDelegate::
void StartGetPreview(const base::UnguessableToken& token,
crosapi::mojom::PrintSettingsPtr settings,
base::OnceCallback<void(bool)> callback) override;
// PrintPreviewDialogControllerCros::DialogControllerObserver:
void OnDialogClosed(const base::UnguessableToken& token) override;
void OnDialogClosedCallback(bool success);
// Ash-chrome clients do not require a mojom endpoint, instead can directly
// access the client.
void RegisterAshClient(crosapi::mojom::PrintPreviewCrosClient* client);
private:
std::unique_ptr<PrintPreviewDialogControllerCros> dialog_controller_;
mojo::Remote<crosapi::mojom::PrintPreviewCrosClient> mojo_client_;
mojo::Receiver<crosapi::mojom::PrintPreviewCrosDelegate> receiver_{this};
raw_ptr<crosapi::mojom::PrintPreviewCrosClient> ash_client_{nullptr};
base::WeakPtrFactory<PrintPreviewWebcontentsAdapterAsh> weak_ptr_factory_{
this};
};
} // namespace ash::printing
#endif // CHROME_BROWSER_ASH_PRINTING_PRINT_PREVIEW_PRINT_PREVIEW_WEBCONTENTS_ADAPTER_ASH_H_
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