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// Copyright 2017 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 UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_CURSOR_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_CURSOR_H_
#include <wayland-client.h>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/macros.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
#include "ui/ozone/platform/wayland/host/wayland_shm_buffer.h"
class SkBitmap;
namespace gfx {
class Point;
}
namespace ui {
class WaylandConnection;
class WaylandPointer;
// Manages the actual visual representation (what users see drawn) of the
// 'pointer' (which is the Wayland term for mouse/mice).
//
// An instance of this class is aggregated by an instance of WaylandPointer
// and is exposed for updating the pointer bitmap with the single method call.
//
// Encapsulates the low-level job such as surface and buffer management and
// Wayland protocol calls.
class WaylandCursor {
public:
WaylandCursor(WaylandPointer* pointer, WaylandConnection* connection);
~WaylandCursor();
// Updates wl_pointer's visual representation with the given bitmap
// image set and hotspot.
void UpdateBitmap(const std::vector<SkBitmap>& bitmaps,
const gfx::Point& hotspot,
uint32_t serial);
private:
// wl_buffer_listener:
static void OnBufferRelease(void* data, wl_buffer* wl_buffer);
void HideCursor(uint32_t serial);
WaylandPointer* const pointer_;
WaylandConnection* const connection_;
// Holds the buffers and their memory until the compositor releases them.
base::flat_map<wl_buffer*, WaylandShmBuffer> buffers_;
const wl::Object<wl_surface> pointer_surface_;
DISALLOW_COPY_AND_ASSIGN(WaylandCursor);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_CURSOR_H_
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