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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_DRM_HOST_HOST_CURSOR_PROXY_H_
#define UI_OZONE_PLATFORM_DRM_HOST_HOST_CURSOR_PROXY_H_
#include "base/task/single_thread_task_runner.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/ozone/platform/drm/host/drm_cursor.h"
#include "ui/ozone/platform/drm/mojom/device_cursor.mojom.h"
namespace ui {
// Ozone requires a IPC from the browser (or mus-ws) process to the gpu (or
// mus-gpu) process to control the mouse pointer. This class provides mouse
// pointer control via Mojo-style IPC. This code runs only in the mus-ws (i.e.
// it's the client) and sends mouse pointer control messages to a less
// priviledged process.
class HostCursorProxy : public DrmCursorProxy {
public:
HostCursorProxy(
mojo::PendingAssociatedRemote<ui::ozone::mojom::DeviceCursor> main_cursor,
mojo::PendingAssociatedRemote<ui::ozone::mojom::DeviceCursor>
evdev_cursor);
HostCursorProxy(const HostCursorProxy&) = delete;
HostCursorProxy& operator=(const HostCursorProxy&) = delete;
~HostCursorProxy() override;
private:
// DrmCursorProxy.
void CursorSet(gfx::AcceleratedWidget window,
const std::vector<SkBitmap>& bitmaps,
const std::optional<gfx::Point>& point,
base::TimeDelta frame_delay) override;
void Move(gfx::AcceleratedWidget window, const gfx::Point& point) override;
void InitializeOnEvdevIfNecessary() override;
// Accessed from UI thread only.
mojo::AssociatedRemote<ui::ozone::mojom::DeviceCursor> main_cursor_;
// Accessed from evdev thread only.
mojo::AssociatedRemote<ui::ozone::mojom::DeviceCursor> evdev_cursor_;
mojo::PendingAssociatedRemote<ui::ozone::mojom::DeviceCursor>
evdev_cursor_pending_remote_;
base::PlatformThreadRef ui_thread_ref_;
scoped_refptr<base::SingleThreadTaskRunner> evdev_task_runner_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_HOST_HOST_CURSOR_PROXY_H_
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