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
|
/*
* 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SCREEN_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SCREEN_H_
#include "base/optional.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "ui/display/mojom/display.mojom-blink.h"
namespace blink {
class LocalFrame;
class CORE_EXPORT Screen final : public ScriptWrappable,
public ExecutionContextClient,
public Supplementable<Screen> {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(Screen);
public:
explicit Screen(LocalFrame*);
int height() const;
int width() const;
unsigned colorDepth() const;
unsigned pixelDepth() const;
int availLeft() const;
int availTop() const;
int availHeight() const;
int availWidth() const;
void Trace(Visitor*) override;
// Proposed extensions to the Screen interface.
// https://github.com/webscreens/screen-enumeration
// TODO(msw): Resolve different info sources, caching, and lifetimes.
Screen(display::mojom::blink::DisplayPtr display,
bool internal,
bool primary,
const String& id);
int left() const;
int top() const;
bool internal() const;
bool primary() const;
float scaleFactor() const;
const String id() const;
bool touchSupport() const;
// Not web-exposed; for internal usage only.
static constexpr int64_t kInvalidDisplayId = -1;
int64_t DisplayId() const;
private:
// A static snapshot of the display's information, provided upon construction.
// This member is only valid for Screen objects obtained via the experimental
// Screen Enumeration API.
const display::mojom::blink::DisplayPtr display_;
// True if this is an internal display of the device; it is a static value
// provided upon construction. This member is only valid for Screen objects
// obtained via the experimental Screen Enumeration API.
const base::Optional<bool> internal_;
// True if this is the primary screen of the operating system; it is a static
// value provided upon construction. This member is only valid for Screen
// objects obtained via the experimental Screen Enumeration API.
const base::Optional<bool> primary_;
// A web-exposed device id; it is a static value provided upon construction.
// This member is only valid for Screen objects obtained via the experimental
// Screen Enumeration API.
const String id_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SCREEN_H_
|
