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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 UI_BASE_CURSOR_CURSOR_LOADER_X11_H_
#define UI_BASE_CURSOR_CURSOR_LOADER_X11_H_
#include <X11/Xcursor/Xcursor.h>
#include <map>
#include "base/compiler_specific.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/cursor/cursor_loader.h"
#include "ui/base/ui_export.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/display.h"
namespace ui {
class UI_EXPORT CursorLoaderX11 : public CursorLoader {
public:
CursorLoaderX11();
virtual ~CursorLoaderX11();
// Overridden from CursorLoader:
virtual void LoadImageCursor(int id,
int resource_id,
const gfx::Point& hot) OVERRIDE;
virtual void LoadAnimatedCursor(int id,
int resource_id,
const gfx::Point& hot,
int frame_delay_ms) OVERRIDE;
virtual void UnloadAll() OVERRIDE;
virtual void SetPlatformCursor(gfx::NativeCursor* cursor) OVERRIDE;
private:
// Returns true if we have an image resource loaded for the |native_cursor|.
bool IsImageCursor(gfx::NativeCursor native_cursor);
// Gets the X Cursor corresponding to the |native_cursor|.
::Cursor ImageCursorFromNative(gfx::NativeCursor native_cursor);
// A map to hold all image cursors. It maps the cursor ID to the X Cursor.
typedef std::map<int, ::Cursor> ImageCursorMap;
ImageCursorMap cursors_;
// A map to hold all animated cursors. It maps the cursor ID to the pair of
// the X Cursor and the corresponding XcursorImages. We need a pointer to the
// images so that we can free them on destruction.
typedef std::map<int, std::pair< ::Cursor, XcursorImages*> >
AnimatedCursorMap;
AnimatedCursorMap animated_cursors_;
const XScopedCursor invisible_cursor_;
DISALLOW_COPY_AND_ASSIGN(CursorLoaderX11);
};
// Scale and rotate the cursor's bitmap and hotpoint.
// |bitmap_in_out| and |hotpoint_in_out| are used as
// both input and output.
UI_EXPORT void ScaleAndRotateCursorBitmapAndHotpoint(
float scale,
gfx::Display::Rotation rotation,
SkBitmap* bitmap_in_out,
gfx::Point* hotpoint_in_out);
} // namespace ui
#endif // UI_BASE_CURSOR_CURSOR_LOADER_X11_H_