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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_FAKE_DESKTOP_ENVIRONMENT_H_
#define REMOTING_HOST_FAKE_DESKTOP_ENVIRONMENT_H_
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "remoting/host/action_executor.h"
#include "remoting/host/base/desktop_environment_options.h"
#include "remoting/host/base/screen_controls.h"
#include "remoting/host/desktop_environment.h"
#include "remoting/host/fake_active_display_monitor.h"
#include "remoting/host/input_injector.h"
#include "remoting/protocol/clipboard_stub.h"
#include "remoting/protocol/desktop_capturer.h"
#include "remoting/protocol/fake_desktop_capturer.h"
#include "remoting/protocol/input_stub.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capture_types.h"
namespace remoting {
class FakeInputInjector : public InputInjector {
public:
FakeInputInjector();
FakeInputInjector(const FakeInputInjector&) = delete;
FakeInputInjector& operator=(const FakeInputInjector&) = delete;
~FakeInputInjector() override;
void Start(
std::unique_ptr<protocol::ClipboardStub> client_clipboard) override;
void InjectKeyEvent(const protocol::KeyEvent& event) override;
void InjectTextEvent(const protocol::TextEvent& event) override;
void InjectMouseEvent(const protocol::MouseEvent& event) override;
void InjectTouchEvent(const protocol::TouchEvent& event) override;
void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
void set_key_events(std::vector<protocol::KeyEvent>* key_events) {
key_events_ = key_events;
}
void set_text_events(std::vector<protocol::TextEvent>* text_events) {
text_events_ = text_events;
}
void set_mouse_events(std::vector<protocol::MouseEvent>* mouse_events) {
mouse_events_ = mouse_events;
}
void set_touch_events(std::vector<protocol::TouchEvent>* touch_events) {
touch_events_ = touch_events;
}
void set_clipboard_events(
std::vector<protocol::ClipboardEvent>* clipboard_events) {
clipboard_events_ = clipboard_events;
}
private:
friend class FakeDesktopEnvironment;
raw_ptr<std::vector<protocol::KeyEvent>> key_events_ = nullptr;
raw_ptr<std::vector<protocol::TextEvent>> text_events_ = nullptr;
raw_ptr<std::vector<protocol::MouseEvent>> mouse_events_ = nullptr;
raw_ptr<std::vector<protocol::TouchEvent>> touch_events_ = nullptr;
raw_ptr<std::vector<protocol::ClipboardEvent>> clipboard_events_ = nullptr;
base::WeakPtrFactory<FakeInputInjector> weak_factory_{this};
};
class FakeScreenControls : public ScreenControls {
public:
FakeScreenControls();
~FakeScreenControls() override;
// ScreenControls implementation.
void SetScreenResolution(const ScreenResolution& resolution,
std::optional<webrtc::ScreenId> screen_id) override;
void SetVideoLayout(const protocol::VideoLayout& video_layout) override;
};
class FakeDesktopEnvironment : public DesktopEnvironment {
public:
explicit FakeDesktopEnvironment(
scoped_refptr<base::SingleThreadTaskRunner> capture_thread,
const DesktopEnvironmentOptions& options);
FakeDesktopEnvironment(const FakeDesktopEnvironment&) = delete;
FakeDesktopEnvironment& operator=(const FakeDesktopEnvironment&) = delete;
~FakeDesktopEnvironment() override;
// Sets frame generator to be used for protocol::FakeDesktopCapturer created
// by FakeDesktopEnvironment.
void set_frame_generator(
protocol::FakeDesktopCapturer::FrameGenerator frame_generator) {
frame_generator_ = std::move(frame_generator);
}
void set_desktop_session_id(std::uint32_t desktop_session_id) {
desktop_session_id_ = desktop_session_id;
}
const DesktopEnvironmentOptions& options() const;
// DesktopEnvironment implementation.
std::unique_ptr<ActionExecutor> CreateActionExecutor() override;
std::unique_ptr<AudioCapturer> CreateAudioCapturer() override;
std::unique_ptr<InputInjector> CreateInputInjector() override;
std::unique_ptr<ScreenControls> CreateScreenControls() override;
std::unique_ptr<DesktopCapturer> CreateVideoCapturer(
webrtc::ScreenId id) override;
DesktopDisplayInfoMonitor* GetDisplayInfoMonitor() override;
std::unique_ptr<webrtc::MouseCursorMonitor> CreateMouseCursorMonitor()
override;
std::unique_ptr<KeyboardLayoutMonitor> CreateKeyboardLayoutMonitor(
base::RepeatingCallback<void(const protocol::KeyboardLayout&)> callback)
override;
std::unique_ptr<ActiveDisplayMonitor> CreateActiveDisplayMonitor(
ActiveDisplayMonitor::Callback callback) override;
std::unique_ptr<FileOperations> CreateFileOperations() override;
std::unique_ptr<UrlForwarderConfigurator> CreateUrlForwarderConfigurator()
override;
std::string GetCapabilities() const override;
void SetCapabilities(const std::string& capabilities) override;
std::uint32_t GetDesktopSessionId() const override;
std::unique_ptr<RemoteWebAuthnStateChangeNotifier>
CreateRemoteWebAuthnStateChangeNotifier() override;
base::WeakPtr<FakeInputInjector> last_input_injector() {
return last_input_injector_;
}
base::WeakPtr<FakeActiveDisplayMonitor> last_active_display_monitor() {
return last_active_display_monitor_;
}
private:
friend class FakeDesktopEnvironmentFactory;
scoped_refptr<base::SingleThreadTaskRunner> capture_thread_;
protocol::FakeDesktopCapturer::FrameGenerator frame_generator_;
std::uint32_t desktop_session_id_ = UINT32_MAX;
base::WeakPtr<FakeInputInjector> last_input_injector_;
base::WeakPtr<FakeActiveDisplayMonitor> last_active_display_monitor_;
const DesktopEnvironmentOptions options_;
std::string capabilities_;
base::WeakPtrFactory<FakeDesktopEnvironment> weak_factory_{this};
};
class FakeDesktopEnvironmentFactory : public DesktopEnvironmentFactory {
public:
explicit FakeDesktopEnvironmentFactory(
scoped_refptr<base::SingleThreadTaskRunner> capture_thread);
FakeDesktopEnvironmentFactory(const FakeDesktopEnvironmentFactory&) = delete;
FakeDesktopEnvironmentFactory& operator=(
const FakeDesktopEnvironmentFactory&) = delete;
~FakeDesktopEnvironmentFactory() override;
// Sets frame generator to be used for protocol::FakeDesktopCapturer created
// by FakeDesktopEnvironment.
void set_frame_generator(
protocol::FakeDesktopCapturer::FrameGenerator frame_generator) {
frame_generator_ = std::move(frame_generator);
}
void set_desktop_session_id(std::uint32_t desktop_session_id) {
desktop_session_id_ = desktop_session_id;
}
// Sets the capabilities that the FakeDesktopEnvironment will claim to
// support. Useful for testing functionality that is triggered after
// negotiating a capability with a client.
void set_capabilities(const std::string& capabilities) {
capabilities_ = capabilities;
}
// DesktopEnvironmentFactory implementation.
void Create(base::WeakPtr<ClientSessionControl> client_session_control,
base::WeakPtr<ClientSessionEvents> client_session_events,
const DesktopEnvironmentOptions& options,
CreateCallback callback) override;
bool SupportsAudioCapture() const override;
base::WeakPtr<FakeDesktopEnvironment> last_desktop_environment() {
return last_desktop_environment_;
}
private:
scoped_refptr<base::SingleThreadTaskRunner> capture_thread_;
protocol::FakeDesktopCapturer::FrameGenerator frame_generator_;
std::uint32_t desktop_session_id_ = UINT32_MAX;
std::string capabilities_;
base::WeakPtr<FakeDesktopEnvironment> last_desktop_environment_;
};
} // namespace remoting
#endif // REMOTING_HOST_FAKE_DESKTOP_ENVIRONMENT_H_
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