1/*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28
29#if ENABLE(MEDIA_STREAM)
30
31#include "MediaConstraintsMock.h"
32
33#include "MediaConstraints.h"
34
35namespace WebCore {
36
37bool isSupported(const String& constraint)
38{
39    return notFound != constraint.find("_and_supported_");
40}
41
42bool isValid(const String& constraint)
43{
44    return isSupported(constraint) || notFound != constraint.find("valid_");
45}
46
47String MediaConstraintsMock::verifyConstraints(PassRefPtr<MediaConstraints> prpConstraints)
48{
49    RefPtr<MediaConstraints> constraints = prpConstraints;
50
51    Vector<MediaConstraint> mandatoryConstraints;
52    constraints->getMandatoryConstraints(mandatoryConstraints);
53    if (mandatoryConstraints.size()) {
54        for (size_t i = 0; i < mandatoryConstraints.size(); ++i) {
55            const MediaConstraint& curr = mandatoryConstraints[i];
56            if (!isSupported(curr.m_name) || curr.m_value != "1")
57                return curr.m_name;
58        }
59    }
60
61    Vector<MediaConstraint> optionalConstraints;
62    constraints->getOptionalConstraints(optionalConstraints);
63    if (optionalConstraints.size()) {
64        for (size_t i = 0; i < optionalConstraints.size(); ++i) {
65            const MediaConstraint& curr = optionalConstraints[i];
66            if (!isValid(curr.m_name) || curr.m_value != "0")
67                return curr.m_name;
68        }
69    }
70
71    return emptyString();
72}
73
74} // namespace WebCore
75
76#endif // ENABLE(MEDIA_STREAM)
77