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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_COMMON_CURSORS_WEBCURSOR_H_
#define CONTENT_COMMON_CURSORS_WEBCURSOR_H_
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "ui/base/cursor/cursor.h"
#include "ui/display/display.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
#if defined(USE_AURA)
#include <optional>
#endif
namespace content {
// NOTE(https://crbug.com/1149906): This class is deprecated and ui::Cursor
// should be used instead.
//
// This class encapsulates a cross-platform description of a cursor. Platform
// specific methods are provided to translate the cross-platform cursor into a
// platform specific cursor. It is also possible to serialize / de-serialize a
// WebCursor. This class is highly similar to ui::Cursor.
class CONTENT_EXPORT WebCursor {
public:
WebCursor();
explicit WebCursor(const ui::Cursor& info);
~WebCursor();
const ui::Cursor& cursor() const { return cursor_; }
// Returns a native cursor representing the current WebCursor instance.
gfx::NativeCursor GetNativeCursor();
#if defined(USE_AURA)
// Updates |device_scale_factor_| and |rotation_| based on |window|'s
// preferred scale (if any) and its display information.
void UpdateDisplayInfoForWindow(aura::Window* window);
bool has_custom_cursor_for_test() const { return !!custom_cursor_; }
#endif
private:
float GetCursorScaleFactor(SkBitmap* bitmap);
// The basic cursor info.
ui::Cursor cursor_;
#if defined(USE_AURA)
// Only used for custom cursors.
float device_scale_factor_ = 1.f;
display::Display::Rotation rotation_ = display::Display::ROTATE_0;
#endif
#if BUILDFLAG(IS_CHROMEOS)
// This matches ozone drm_util.cc's kDefaultCursorWidth/Height.
static constexpr int kDefaultMaxSize = 64;
gfx::Size maximum_cursor_size_ = {kDefaultMaxSize, kDefaultMaxSize};
#endif
#if defined(USE_AURA)
std::optional<ui::Cursor> custom_cursor_;
#endif
};
} // namespace content
#endif // CONTENT_COMMON_CURSORS_WEBCURSOR_H_
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