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// Copyright (c) 2012 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 ASH_WM_IMAGE_CURSORS_H_
#define ASH_WM_IMAGE_CURSORS_H_
#include "ash/ash_export.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "ui/base/cursor/cursor.h"
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Display;
}
namespace ui {
class CursorLoader;
}
namespace ash {
// A utility class that provides cursors for NativeCursors for which we have
// image resources.
class ASH_EXPORT ImageCursors {
public:
ImageCursors();
~ImageCursors();
// Returns the display the cursors are loaded for. The display must
// be set by SetDisplay before using this.
gfx::Display GetDisplay() const;
// Sets the display the cursors are loaded for. The device scale factor
// determines the size of the image to load, and the rotation of the display
// determines if the image and its host point has to be retated.
// Returns true if the cursor image is reloaded.
bool SetDisplay(const gfx::Display& display);
// Sets the scale of the mouse cursor icon.
void SetScale(float scale);
// Sets the type of the mouse cursor icon.
void SetCursorSet(ui::CursorSetType cursor_set);
// Sets the platform cursor based on the native type of |cursor|.
void SetPlatformCursor(gfx::NativeCursor* cursor);
private:
// Reloads the all loaded cursors in the cursor loader.
void ReloadCursors();
scoped_ptr<ui::CursorLoader> cursor_loader_;
float scale_;
ui::CursorSetType cursor_set_;
DISALLOW_COPY_AND_ASSIGN(ImageCursors);
};
} // namespace ash
#endif // ASH_WM_IMAGE_CURSORS_H_
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