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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_AURA_ROOT_WINDOW_HOST_LINUX_H_
#define UI_AURA_ROOT_WINDOW_HOST_LINUX_H_
#pragma once
#include <X11/Xlib.h>
// Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
#undef RootWindow
#include "base/message_loop.h"
#include "ui/aura/root_window_host.h"
#include "ui/gfx/rect.h"
namespace aura {
class RootWindowHostLinux : public RootWindowHost {
public:
explicit RootWindowHostLinux(const gfx::Rect& bounds);
virtual ~RootWindowHostLinux();
// Handles an event targeted at this host's window.
base::MessagePumpDispatcher::DispatchStatus Dispatch(XEvent* xev);
private:
// RootWindowHost Overrides.
virtual void SetRootWindow(RootWindow* root_window) OVERRIDE;
virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
virtual void Show() OVERRIDE;
virtual void ToggleFullScreen() OVERRIDE;
virtual gfx::Size GetSize() const OVERRIDE;
virtual void SetSize(const gfx::Size& size) OVERRIDE;
virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
virtual void SetCapture() OVERRIDE;
virtual void ReleaseCapture() OVERRIDE;
virtual void SetCursor(gfx::NativeCursor cursor_type) OVERRIDE;
virtual void ShowCursor(bool show) OVERRIDE;
virtual gfx::Point QueryMouseLocation() OVERRIDE;
virtual bool ConfineCursorToRootWindow() OVERRIDE;
virtual void UnConfineCursor() OVERRIDE;
virtual void MoveCursorTo(const gfx::Point& location) OVERRIDE;
virtual void PostNativeEvent(const base::NativeEvent& event) OVERRIDE;
// Returns true if there's an X window manager present... in most cases. Some
// window managers (notably, ion3) don't implement enough of ICCCM for us to
// detect that they're there.
bool IsWindowManagerPresent();
// Sets the cursor on |xwindow_| to |cursor|. Does not check or update
// |current_cursor_|.
void SetCursorInternal(gfx::NativeCursor cursor);
RootWindow* root_window_;
// The display and the native X window hosting the root window.
Display* xdisplay_;
::Window xwindow_;
// The native root window.
::Window x_root_window_;
// Current Aura cursor.
gfx::NativeCursor current_cursor_;
// Is the cursor currently shown?
bool cursor_shown_;
// The invisible cursor.
::Cursor invisible_cursor_;
// The bounds of |xwindow_|.
gfx::Rect bounds_;
DISALLOW_COPY_AND_ASSIGN(RootWindowHostLinux);
};
} // namespace aura
#endif // UI_AURA_ROOT_WINDOW_HOST_LINUX_H_
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