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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 ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
#define ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
#include "ui/aura/window.h"
#include "ui/base/cursor/cursor.h"
#include "ui/gfx/display.h"
namespace ash {
namespace test {
class MirrorWindowTestApi;
}
class CursorWindowDelegate;
// Draws a mouse cursor on a given container window.
// When cursor compositing is disabled, CursorWindowController is responsible
// to scale and rotate the mouse cursor bitmap to match settings of the
// primary display.
// When cursor compositing is enabled, just draw the cursor as-is.
class CursorWindowController {
public:
CursorWindowController();
~CursorWindowController();
bool is_cursor_compositing_enabled() const {
return is_cursor_compositing_enabled_;
}
// Sets cursor compositing mode on/off.
void SetCursorCompositingEnabled(bool enabled);
// Updates the container window for the cursor window controller.
void UpdateContainer();
// Sets the display on which to draw cursor.
// Only applicable when cursor compositing is enabled.
void SetDisplay(const gfx::Display& display);
// Sets cursor location, shape, set and visibility.
void UpdateLocation();
void SetCursor(gfx::NativeCursor cursor);
void SetCursorSet(ui::CursorSetType);
void SetVisibility(bool visible);
private:
friend class test::MirrorWindowTestApi;
// Sets the container window for the cursor window controller.
// Closes the cursor window if |container| is NULL.
void SetContainer(aura::Window* container);
// Sets the bounds of the container in screen coordinates.
void SetBoundsInScreen(const gfx::Rect& bounds);
// Updates cursor image based on current cursor state.
void UpdateCursorImage();
bool is_cursor_compositing_enabled_;
aura::Window* container_;
// The bounds of the container in screen coordinates.
gfx::Rect bounds_in_screen_;
// The native_type of the cursor, see definitions in cursor.h
int cursor_type_;
ui::CursorSetType cursor_set_;
gfx::Display::Rotation cursor_rotation_;
gfx::Point hot_point_;
// The display on which the cursor is drawn.
// For mirroring mode, the display is always the primary display.
gfx::Display display_;
scoped_ptr<aura::Window> cursor_window_;
scoped_ptr<CursorWindowDelegate> delegate_;
DISALLOW_COPY_AND_ASSIGN(CursorWindowController);
};
} // namespace ash
#endif // ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
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