1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29
30 #include "config.h"
31 #include "core/frame/Screen.h"
32
33 #include "core/frame/FrameHost.h"
34 #include "core/frame/FrameView.h"
35 #include "core/frame/LocalFrame.h"
36 #include "core/frame/Settings.h"
37 #include "core/inspector/InspectorInstrumentation.h"
38 #include "platform/PlatformScreen.h"
39 #include "platform/geometry/FloatRect.h"
40
41 namespace WebCore {
42
Screen(LocalFrame * frame)43 Screen::Screen(LocalFrame* frame)
44 : DOMWindowProperty(frame)
45 {
46 ScriptWrappable::init(this);
47 }
48
height() const49 unsigned Screen::height() const
50 {
51 if (!m_frame)
52 return 0;
53 FrameHost* host = m_frame->host();
54 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
55 return lroundf(screenRect(m_frame->view()).height() * host->deviceScaleFactor());
56 return static_cast<unsigned>(screenRect(m_frame->view()).height());
57 }
58
width() const59 unsigned Screen::width() const
60 {
61 if (!m_frame)
62 return 0;
63 FrameHost* host = m_frame->host();
64 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
65 return lroundf(screenRect(m_frame->view()).width() * host->deviceScaleFactor());
66 return static_cast<unsigned>(screenRect(m_frame->view()).width());
67 }
68
colorDepth() const69 unsigned Screen::colorDepth() const
70 {
71 if (!m_frame)
72 return 0;
73 return static_cast<unsigned>(screenDepth(m_frame->view()));
74 }
75
pixelDepth() const76 unsigned Screen::pixelDepth() const
77 {
78 if (!m_frame)
79 return 0;
80 return static_cast<unsigned>(screenDepth(m_frame->view()));
81 }
82
availLeft() const83 int Screen::availLeft() const
84 {
85 if (!m_frame)
86 return 0;
87 FrameHost* host = m_frame->host();
88 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
89 return lroundf(screenAvailableRect(m_frame->view()).x() * host->deviceScaleFactor());
90 return static_cast<int>(screenAvailableRect(m_frame->view()).x());
91 }
92
availTop() const93 int Screen::availTop() const
94 {
95 if (!m_frame)
96 return 0;
97 FrameHost* host = m_frame->host();
98 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
99 return lroundf(screenAvailableRect(m_frame->view()).y() * host->deviceScaleFactor());
100 return static_cast<int>(screenAvailableRect(m_frame->view()).y());
101 }
102
availHeight() const103 unsigned Screen::availHeight() const
104 {
105 if (!m_frame)
106 return 0;
107 FrameHost* host = m_frame->host();
108 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
109 return lroundf(screenAvailableRect(m_frame->view()).height() * host->deviceScaleFactor());
110 return static_cast<unsigned>(screenAvailableRect(m_frame->view()).height());
111 }
112
availWidth() const113 unsigned Screen::availWidth() const
114 {
115 if (!m_frame)
116 return 0;
117 FrameHost* host = m_frame->host();
118 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
119 return lroundf(screenAvailableRect(m_frame->view()).width() * host->deviceScaleFactor());
120 return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width());
121 }
122
trace(Visitor * visitor)123 void Screen::trace(Visitor* visitor)
124 {
125 WillBeHeapSupplementable<Screen>::trace(visitor);
126 }
127
128 } // namespace WebCore
129