electron/shell/browser/serial/serial_chooser_context.h
2021-06-01 10:34:44 +09:00

90 lines
3.3 KiB
C++

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_SERIAL_SERIAL_CHOOSER_CONTEXT_H_
#define SHELL_BROWSER_SERIAL_SERIAL_CHOOSER_CONTEXT_H_
#include <map>
#include <set>
#include <utility>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/unguessable_token.h"
#include "components/keyed_service/core/keyed_service.h"
#include "content/public/browser/serial_delegate.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/public/mojom/serial.mojom-forward.h"
#include "third_party/blink/public/mojom/serial/serial.mojom.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace base {
class Value;
}
namespace electron {
class SerialChooserContext : public KeyedService,
public device::mojom::SerialPortManagerClient {
public:
using PortObserver = content::SerialDelegate::Observer;
SerialChooserContext();
~SerialChooserContext() override;
// Serial-specific interface for granting and checking permissions.
void GrantPortPermission(const url::Origin& requesting_origin,
const url::Origin& embedding_origin,
const device::mojom::SerialPortInfo& port);
bool HasPortPermission(const url::Origin& requesting_origin,
const url::Origin& embedding_origin,
const device::mojom::SerialPortInfo& port);
static bool CanStorePersistentEntry(
const device::mojom::SerialPortInfo& port);
device::mojom::SerialPortManager* GetPortManager();
void AddPortObserver(PortObserver* observer);
void RemovePortObserver(PortObserver* observer);
base::WeakPtr<SerialChooserContext> AsWeakPtr();
// SerialPortManagerClient implementation.
void OnPortAdded(device::mojom::SerialPortInfoPtr port) override;
void OnPortRemoved(device::mojom::SerialPortInfoPtr port) override;
private:
void EnsurePortManagerConnection();
void SetUpPortManagerConnection(
mojo::PendingRemote<device::mojom::SerialPortManager> manager);
void OnPortManagerConnectionError();
void OnGetPorts(const url::Origin& requesting_origin,
const url::Origin& embedding_origin,
blink::mojom::SerialService::GetPortsCallback callback,
std::vector<device::mojom::SerialPortInfoPtr> ports);
// Tracks the set of ports to which an origin (potentially embedded in another
// origin) has access to. Key is (requesting_origin, embedding_origin).
std::map<std::pair<url::Origin, url::Origin>,
std::set<base::UnguessableToken>>
ephemeral_ports_;
// Holds information about ports in |ephemeral_ports_|.
std::map<base::UnguessableToken, base::Value> port_info_;
mojo::Remote<device::mojom::SerialPortManager> port_manager_;
mojo::Receiver<device::mojom::SerialPortManagerClient> client_receiver_{this};
base::ObserverList<PortObserver> port_observer_list_;
base::WeakPtrFactory<SerialChooserContext> weak_factory_{this};
DISALLOW_COPY_AND_ASSIGN(SerialChooserContext);
};
} // namespace electron
#endif // SHELL_BROWSER_SERIAL_SERIAL_CHOOSER_CONTEXT_H_