1/*
2 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
3 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
4 * Copyright (C) 2008 Christian Dywan <christian@imendio.com>
5 * Copyright (C) 2008 Collabora Ltd.
6 * Copyright (C) 2009 Holger Hans Peter Freyther
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
26 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "PlatformScreen.h"
33
34#include "FloatRect.h"
35#include "GtkVersioning.h"
36#include "HostWindow.h"
37#include "NotImplemented.h"
38#include "ScrollView.h"
39#include "Widget.h"
40
41#include <gtk/gtk.h>
42
43namespace WebCore {
44
45static GtkWidget* getToplevel(GtkWidget* widget)
46{
47    GtkWidget* toplevel = gtk_widget_get_toplevel(widget);
48    return gtk_widget_is_toplevel(toplevel) ? toplevel : 0;
49}
50
51static GdkVisual* getVisual(Widget* widget)
52{
53    GtkWidget* container = widget ? GTK_WIDGET(widget->root()->hostWindow()->platformPageClient()) : 0;
54    if (!container) {
55        GdkScreen* screen = gdk_screen_get_default();
56        return screen ? gdk_screen_get_system_visual(screen) : 0;
57    }
58
59    if (!gtk_widget_get_realized(container))
60        container = getToplevel(container);
61    return container ? gdk_window_get_visual(gtk_widget_get_window(container)) : 0;
62}
63
64int screenDepth(Widget* widget)
65{
66    GdkVisual* visual = getVisual(widget);
67    if (!visual)
68        return 24;
69    return gdk_visual_get_depth(visual);
70}
71
72int screenDepthPerComponent(Widget* widget)
73{
74    GdkVisual* visual = getVisual(widget);
75    if (!visual)
76        return 8;
77
78    return gdk_visual_get_bits_per_rgb(visual);
79}
80
81bool screenIsMonochrome(Widget* widget)
82{
83    return screenDepth(widget) < 2;
84}
85
86
87static GdkScreen* getScreen(GtkWidget* widget)
88{
89    return gtk_widget_has_screen(widget) ? gtk_widget_get_screen(widget) : gdk_screen_get_default();
90}
91
92FloatRect screenRect(Widget* widget)
93{
94    GtkWidget* container = widget ? GTK_WIDGET(widget->root()->hostWindow()->platformPageClient()) : 0;
95    if (container)
96        container = getToplevel(container);
97
98    GdkScreen* screen = container ? getScreen(container) : gdk_screen_get_default();
99    if (!screen)
100        return FloatRect();
101
102    gint monitor = container ? gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(container)) : 0;
103
104    GdkRectangle geometry;
105    gdk_screen_get_monitor_geometry(screen, monitor, &geometry);
106
107    return FloatRect(geometry.x, geometry.y, geometry.width, geometry.height);
108}
109
110FloatRect screenAvailableRect(Widget* widget)
111{
112    GtkWidget* container = widget ? GTK_WIDGET(widget->root()->hostWindow()->platformPageClient()) : 0;
113    if (container && !gtk_widget_get_realized(container))
114        return screenRect(widget);
115
116    GdkScreen* screen = container ? getScreen(container) : gdk_screen_get_default();
117    if (!screen)
118        return FloatRect();
119
120    gint monitor = container ? gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(container)) : 0;
121
122    GdkRectangle workArea;
123    gdk_screen_get_monitor_workarea(screen, monitor, &workArea);
124
125    return FloatRect(workArea.x, workArea.y, workArea.width, workArea.height);
126
127}
128
129void screenColorProfile(ColorProfile&)
130{
131    notImplemented();
132}
133
134} // namespace WebCore
135