1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Screen.h"
#include "FloatRect.h"
#include "Frame.h"
#include "FrameView.h"
#include "InspectorInstrumentation.h"
#include "PlatformScreen.h"
#include "Settings.h"
#include "Widget.h"
namespace WebCore {
Screen::Screen(Frame* frame)
: DOMWindowProperty(frame)
{
}
unsigned Screen::horizontalDPI() const
{
if (!m_frame)
return 0;
// Used by the testing system, can be set from internals.
IntSize override = m_frame->page()->settings()->resolutionOverride();
if (!override.isEmpty())
return override.width();
// These were added in https://bugs.webkit.org/show_bug.cgi?id=70556 for Chromium
// but seems unused. Please remove after varifying that this is indeed the case.
int platformValue = static_cast<unsigned>(screenHorizontalDPI(m_frame->view()));
if (platformValue > 0)
return platformValue;
// The DPI is defined as dots per CSS inch and thus not device inch.
return m_frame->page()->deviceScaleFactor() * 96;
}
unsigned Screen::verticalDPI() const
{
// The DPI is defined as dots per CSS inch and thus not device inch.
if (!m_frame)
return 0;
// Used by the testing system, can be set from internals.
IntSize override = m_frame->page()->settings()->resolutionOverride();
if (!override.isEmpty())
return override.height();
// These were added in https://bugs.webkit.org/show_bug.cgi?id=70556 for Chromium
// but seems unused. Please remove after varifying that this is indeed the case.
int platformValue = static_cast<unsigned>(screenVerticalDPI(m_frame->view()));
if (platformValue > 0)
return platformValue;
// The DPI is defined as dots per CSS inch and thus not device inch.
return m_frame->page()->deviceScaleFactor() * 96;
}
unsigned Screen::height() const
{
if (!m_frame)
return 0;
long height = static_cast<long>(screenRect(m_frame->view()).height());
InspectorInstrumentation::applyScreenHeightOverride(m_frame, &height);
return static_cast<unsigned>(height);
}
unsigned Screen::width() const
{
if (!m_frame)
return 0;
long width = static_cast<long>(screenRect(m_frame->view()).width());
InspectorInstrumentation::applyScreenWidthOverride(m_frame, &width);
return static_cast<unsigned>(width);
}
unsigned Screen::colorDepth() const
{
if (!m_frame)
return 0;
return static_cast<unsigned>(screenDepth(m_frame->view()));
}
unsigned Screen::pixelDepth() const
{
if (!m_frame)
return 0;
return static_cast<unsigned>(screenDepth(m_frame->view()));
}
int Screen::availLeft() const
{
if (!m_frame)
return 0;
return static_cast<int>(screenAvailableRect(m_frame->view()).x());
}
int Screen::availTop() const
{
if (!m_frame)
return 0;
return static_cast<int>(screenAvailableRect(m_frame->view()).y());
}
unsigned Screen::availHeight() const
{
if (!m_frame)
return 0;
return static_cast<unsigned>(screenAvailableRect(m_frame->view()).height());
}
unsigned Screen::availWidth() const
{
if (!m_frame)
return 0;
return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width());
}
} // namespace WebCore
|