// 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 CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_ECHO_HOST_H_
#define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_ECHO_HOST_H_
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/values.h"
#include "extensions/browser/api/messaging/native_message_host.h"
namespace {
class BrowserContext;
}
namespace extensions {
// A test NativeMessageHost used in ExtensionApiTest::NativeMessagingBasic.
// See //chrome/browser/extensions/api/messaging/native_messaging_apitest.cc
// The behavior in this implementation must match the expectations defined in
// //chrome/test/data/native_messaging/native_hosts/echo.py as that script is
// used to drive the tests.
class NativeMessageEchoHost : public NativeMessageHost {
public:
static const char* const kHostName;
static const char* const kOrigins[];
static const size_t kOriginCount;
static std::unique_ptr<NativeMessageHost> Create(
content::BrowserContext* browser_context);
NativeMessageEchoHost();
NativeMessageEchoHost(const NativeMessageEchoHost&) = delete;
NativeMessageEchoHost& operator=(const NativeMessageEchoHost&) = delete;
~NativeMessageEchoHost() override;
// NativeMessageHost implementation.
void Start(Client* client) override;
void OnMessage(const std::string& request_string) override;
scoped_refptr<base::SingleThreadTaskRunner> task_runner() const override;
private:
void ProcessEcho(const base::Value::Dict& request);
void SendInvalidResponse();
// Counter used to ensure message uniqueness for testing.
int message_number_ = 0;
// |client_| must outlive this test instance.
raw_ptr<Client> client_ = nullptr;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_ECHO_HOST_H_