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1/*
2 * libjingle
3 * Copyright 2013 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#if !defined(__has_feature) || !__has_feature(objc_arc)
29#error "This file requires ARC support."
30#endif
31
32#import "RTCMediaConstraints+Internal.h"
33
34#import "RTCPair.h"
35
36#include "webrtc/base/scoped_ptr.h"
37
38// TODO(hughv):  Add accessors for mandatory and optional constraints.
39// TODO(hughv):  Add description.
40
41@implementation RTCMediaConstraints {
42  rtc::scoped_ptr<webrtc::RTCMediaConstraintsNative> _constraints;
43  webrtc::MediaConstraintsInterface::Constraints _mandatory;
44  webrtc::MediaConstraintsInterface::Constraints _optional;
45}
46
47- (id)initWithMandatoryConstraints:(NSArray*)mandatory
48               optionalConstraints:(NSArray*)optional {
49  if ((self = [super init])) {
50    _mandatory = [[self class] constraintsFromArray:mandatory];
51    _optional = [[self class] constraintsFromArray:optional];
52    _constraints.reset(
53        new webrtc::RTCMediaConstraintsNative(_mandatory, _optional));
54  }
55  return self;
56}
57
58+ (webrtc::MediaConstraintsInterface::Constraints)constraintsFromArray:
59                                                      (NSArray*)array {
60  webrtc::MediaConstraintsInterface::Constraints constraints;
61  for (RTCPair* pair in array) {
62    constraints.push_back(webrtc::MediaConstraintsInterface::Constraint(
63        [pair.key UTF8String], [pair.value UTF8String]));
64  }
65  return constraints;
66}
67
68@end
69
70@implementation RTCMediaConstraints (internal)
71
72- (const webrtc::RTCMediaConstraintsNative*)constraints {
73  return _constraints.get();
74}
75
76@end
77