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// Copyright 2022 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_EXO_WAYLAND_TEST_TEST_WAYLAND_CLIENT_THREAD_H_
#define COMPONENTS_EXO_WAYLAND_TEST_TEST_WAYLAND_CLIENT_THREAD_H_
#include <memory>
#include <string>
#include "base/functional/callback.h"
#include "base/message_loop/message_pump_epoll.h"
#include "base/threading/thread.h"
#include "components/exo/wayland/test/test_client.h"
namespace exo::wayland::test {
// TestWaylandClientThread runs a Wayland client on a dedicated thread for
// testing with WaylandServerTest.
class TestWaylandClientThread : public base::Thread,
base::MessagePumpEpoll::FdWatcher {
public:
explicit TestWaylandClientThread(const std::string& name);
TestWaylandClientThread(const TestWaylandClientThread&) = delete;
TestWaylandClientThread& operator=(const TestWaylandClientThread&) = delete;
~TestWaylandClientThread() override;
using InitCallback = base::OnceCallback<std::unique_ptr<TestClient>()>;
// Starts the client thread; initializes `client` by calling `init_callback`
// on the client thread. This method blocks until the initialization on the
// client thread is done.
//
// Returns false on failure. In that case, the other public APIs of this class
// are not supposed to be called.
bool Start(InitCallback init_callback);
// Runs `callback` or `closure` on the client thread; blocks until the
// callable is run and all pending Wayland requests and events are delivered.
void RunAndWait(base::OnceCallback<void(TestClient*)> callback);
void RunAndWait(base::OnceClosure closure);
private:
// base::MessagePumpEpoll::FdWatcher:
void OnFileCanReadWithoutBlocking(int fd) override;
void OnFileCanWriteWithoutBlocking(int fd) override;
void DoInit(InitCallback init_callback);
void DoRun(base::OnceClosure closure);
void DoCleanUp();
base::MessagePumpEpoll::FdWatchController controller_;
std::unique_ptr<TestClient> client_;
bool stopped_ = false;
};
} // namespace exo::wayland::test
#endif // COMPONENTS_EXO_WAYLAND_TEST_TEST_WAYLAND_CLIENT_THREAD_H_
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