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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/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "ui/aura/root_window_host.h"
#include "ui/gfx/rect.h"
namespace aura {
class RootWindowHostLinux : public RootWindowHost,
public MessageLoop::Dispatcher {
public:
explicit RootWindowHostLinux(const gfx::Rect& bounds);
virtual ~RootWindowHostLinux();
// Overridden from Dispatcher overrides:
virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE;
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::Rect GetBounds() const OVERRIDE;
virtual void SetBounds(const gfx::Rect& bounds) 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 SetFocusWhenShown(bool focus_when_shown) 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_;
// We have to keep track of whether we've set bounds before, because at least
// metacity ignores the initial position given to XCreateWindow() and demands
// a XMoveWindow().
bool has_set_bounds_once_;
// Names of cached atoms that we fetch during the constructor to minimize
// round trips to the X11 server.
enum AtomList {
ATOM_WM_DELETE_WINDOW = 0,
ATOM__NET_WM_PING,
ATOM__NET_WM_PID,
ATOM_WM_S0,
ATOM_COUNT
};
::Atom cached_atoms_[ATOM_COUNT];
// True if the window should be focused when the window is shown.
bool focus_when_shown_;
scoped_array<XID> pointer_barriers_;
DISALLOW_COPY_AND_ASSIGN(RootWindowHostLinux);
};
} // namespace aura
#endif // UI_AURA_ROOT_WINDOW_HOST_LINUX_H_
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