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// Copyright 2014 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_BASE_CURSOR_OZONE_BITMAP_CURSOR_FACTORY_OZONE_H_
#define UI_BASE_CURSOR_OZONE_BITMAP_CURSOR_FACTORY_OZONE_H_
#include <map>
#include <vector>
#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/cursor/cursor_factory.h"
#include "ui/base/cursor/mojom/cursor_type.mojom-forward.h"
#include "ui/base/cursor/platform_cursor.h"
#include "ui/gfx/geometry/point.h"
namespace ui {
// A cursor that is an SkBitmap combined with a gfx::Point hotspot.
class COMPONENT_EXPORT(UI_BASE_CURSOR) BitmapCursorOzone
: public PlatformCursor {
public:
static scoped_refptr<BitmapCursorOzone> FromPlatformCursor(
scoped_refptr<PlatformCursor> platform_cursor);
// Creates a cursor that doesn't need backing bitmaps (for example, a
// server-side cursor for Lacros).
explicit BitmapCursorOzone(mojom::CursorType type);
// Creates a cursor with a single backing bitmap.
BitmapCursorOzone(mojom::CursorType type,
const SkBitmap& bitmap,
const gfx::Point& hotspot);
// Creates a cursor with multiple bitmaps for animation.
BitmapCursorOzone(mojom::CursorType type,
const std::vector<SkBitmap>& bitmaps,
const gfx::Point& hotspot,
base::TimeDelta frame_delay);
// Creates a cursor with external storage.
BitmapCursorOzone(mojom::CursorType type, void* platform_data);
mojom::CursorType type() const { return type_; }
const gfx::Point& hotspot();
const SkBitmap& bitmap();
// For animated cursors.
const std::vector<SkBitmap>& bitmaps();
base::TimeDelta frame_delay();
// For theme cursors.
void* platform_data() { return platform_data_; }
private:
friend class base::RefCounted<PlatformCursor>;
~BitmapCursorOzone() override;
const mojom::CursorType type_;
std::vector<SkBitmap> bitmaps_;
gfx::Point hotspot_;
base::TimeDelta frame_delay_;
// Platform cursor data. Having this non-nullptr means that this cursor
// is supplied by the platform.
void* const platform_data_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(BitmapCursorOzone);
};
// CursorFactory implementation for bitmapped cursors.
//
// This is a base class for platforms where PlatformCursor is an SkBitmap
// combined with a gfx::Point for the hotspot.
class COMPONENT_EXPORT(UI_BASE_CURSOR) BitmapCursorFactoryOzone
: public CursorFactory {
public:
BitmapCursorFactoryOzone();
~BitmapCursorFactoryOzone() override;
// CursorFactory:
scoped_refptr<PlatformCursor> GetDefaultCursor(
mojom::CursorType type) override;
scoped_refptr<PlatformCursor> CreateImageCursor(
mojom::CursorType type,
const SkBitmap& bitmap,
const gfx::Point& hotspot) override;
scoped_refptr<PlatformCursor> CreateAnimatedCursor(
mojom::CursorType type,
const std::vector<SkBitmap>& bitmaps,
const gfx::Point& hotspot,
base::TimeDelta frame_delay) override;
private:
std::map<mojom::CursorType, scoped_refptr<BitmapCursorOzone>>
default_cursors_;
DISALLOW_COPY_AND_ASSIGN(BitmapCursorFactoryOzone);
};
} // namespace ui
#endif // UI_BASE_CURSOR_OZONE_BITMAP_CURSOR_FACTORY_OZONE_H_
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