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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_REMOTE_COCOA_APP_SHIM_ALERT_H_
#define COMPONENTS_REMOTE_COCOA_APP_SHIM_ALERT_H_
#import <Cocoa/Cocoa.h>
#include "components/remote_cocoa/app_shim/remote_cocoa_app_shim_export.h"
#include "components/remote_cocoa/common/alert.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
@class AlertBridgeHelper;
namespace remote_cocoa {
// Class that displays an NSAlert with associated UI as described by the mojo
// AlertBridge interface.
class REMOTE_COCOA_APP_SHIM_EXPORT AlertBridge
: public remote_cocoa::mojom::AlertBridge {
public:
// Creates a new alert which controls its own lifetime. It will destroy itself
// once its NSAlert goes away.
explicit AlertBridge(
mojo::PendingReceiver<mojom::AlertBridge> bridge_receiver);
AlertBridge(const AlertBridge&) = delete;
AlertBridge& operator=(const AlertBridge&) = delete;
// Send the specified disposition via the Show callback, then destroy |this|.
void SendResultAndDestroy(mojom::AlertDisposition disposition);
// Called by Cocoa to indicate when the NSAlert is visible (and can be
// programmatically updated by Accept, Cancel, and Close).
void SetAlertHasShown();
// Called by Cocoa to indicate that the alert can be closed and callbacks can
// be discarded.
void Dismiss() override;
private:
// Private destructor is called only through SendResultAndDestroy.
~AlertBridge() override;
// Handle being disconnected (e.g, because the alert was programmatically
// dismissed).
void OnMojoDisconnect();
// remote_cocoa::mojom::Alert:
void Show(mojom::AlertBridgeInitParamsPtr params,
ShowCallback callback) override;
// The NSAlert's owner and delegate.
AlertBridgeHelper* __strong helper_;
// Set once the alert window is showing (needed because showing is done in a
// posted task).
bool alert_shown_ = false;
// Set once the alert has been dismissed.
bool alert_dismissed_ = false;
// The callback to make when the dialog has finished running.
ShowCallback callback_;
mojo::Receiver<remote_cocoa::mojom::AlertBridge> mojo_receiver_{this};
base::WeakPtrFactory<AlertBridge> weak_factory_;
};
} // namespace remote_cocoa
#endif // COMPONENTS_REMOTE_COCOA_APP_SHIM_ALERT_H_
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