Reland of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm

Index: webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm b/webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm
new file mode 100644
index 0000000000000000000000000000000000000000..3b9d84584113bd458d139810309eb925eda037f6
--- /dev/null
+++ b/webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm
@@ -0,0 +1,129 @@
+/*
+ *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "RTCMediaConstraints+Private.h"
+
+#import "NSString+StdString.h"
+
+#include <memory>
+
+NSString * const kRTCMediaConstraintsMinAspectRatio =
+    @(webrtc::MediaConstraintsInterface::kMinAspectRatio);
+NSString * const kRTCMediaConstraintsMaxAspectRatio =
+    @(webrtc::MediaConstraintsInterface::kMaxAspectRatio);
+NSString * const kRTCMediaConstraintsMinWidth =
+    @(webrtc::MediaConstraintsInterface::kMinWidth);
+NSString * const kRTCMediaConstraintsMaxWidth =
+    @(webrtc::MediaConstraintsInterface::kMaxWidth);
+NSString * const kRTCMediaConstraintsMinHeight =
+    @(webrtc::MediaConstraintsInterface::kMinHeight);
+NSString * const kRTCMediaConstraintsMaxHeight =
+    @(webrtc::MediaConstraintsInterface::kMaxHeight);
+NSString * const kRTCMediaConstraintsMinFrameRate =
+    @(webrtc::MediaConstraintsInterface::kMinFrameRate);
+NSString * const kRTCMediaConstraintsMaxFrameRate =
+    @(webrtc::MediaConstraintsInterface::kMaxFrameRate);
+NSString * const kRTCMediaConstraintsLevelControl =
+    @(webrtc::MediaConstraintsInterface::kLevelControl);
+NSString * const kRTCMediaConstraintsAudioNetworkAdaptorConfig =
+    @(webrtc::MediaConstraintsInterface::kAudioNetworkAdaptorConfig);
+
+NSString * const kRTCMediaConstraintsValueTrue =
+    @(webrtc::MediaConstraintsInterface::kValueTrue);
+NSString * const kRTCMediaConstraintsValueFalse =
+    @(webrtc::MediaConstraintsInterface::kValueFalse);
+
+namespace webrtc {
+
+MediaConstraints::~MediaConstraints() {}
+
+MediaConstraints::MediaConstraints() {}
+
+MediaConstraints::MediaConstraints(
+    const MediaConstraintsInterface::Constraints& mandatory,
+    const MediaConstraintsInterface::Constraints& optional)
+    : mandatory_(mandatory), optional_(optional) {}
+
+const MediaConstraintsInterface::Constraints&
+MediaConstraints::GetMandatory() const {
+  return mandatory_;
+}
+
+const MediaConstraintsInterface::Constraints&
+MediaConstraints::GetOptional() const {
+  return optional_;
+}
+
+}  // namespace webrtc
+
+
+@implementation RTCMediaConstraints {
+  NSDictionary<NSString *, NSString *> *_mandatory;
+  NSDictionary<NSString *, NSString *> *_optional;
+}
+
+- (instancetype)initWithMandatoryConstraints:
+    (NSDictionary<NSString *, NSString *> *)mandatory
+                         optionalConstraints:
+    (NSDictionary<NSString *, NSString *> *)optional {
+  if (self = [super init]) {
+    _mandatory = [[NSDictionary alloc] initWithDictionary:mandatory
+                                                copyItems:YES];
+    _optional = [[NSDictionary alloc] initWithDictionary:optional
+                                               copyItems:YES];
+  }
+  return self;
+}
+
+- (NSString *)description {
+  return [NSString stringWithFormat:@"RTCMediaConstraints:\n%@\n%@",
+                                    _mandatory,
+                                    _optional];
+}
+
+#pragma mark - Private
+
+- (std::unique_ptr<webrtc::MediaConstraints>)nativeConstraints {
+  webrtc::MediaConstraintsInterface::Constraints mandatory =
+      [[self class] nativeConstraintsForConstraints:_mandatory];
+  webrtc::MediaConstraintsInterface::Constraints optional =
+      [[self class] nativeConstraintsForConstraints:_optional];
+
+  webrtc::MediaConstraints *nativeConstraints =
+      new webrtc::MediaConstraints(mandatory, optional);
+  return std::unique_ptr<webrtc::MediaConstraints>(nativeConstraints);
+}
+
++ (webrtc::MediaConstraintsInterface::Constraints)
+    nativeConstraintsForConstraints:
+        (NSDictionary<NSString *, NSString *> *)constraints {
+  webrtc::MediaConstraintsInterface::Constraints nativeConstraints;
+  for (NSString *key in constraints) {
+    NSAssert([key isKindOfClass:[NSString class]],
+             @"%@ is not an NSString.", key);
+    NSString *value = [constraints objectForKey:key];
+    NSAssert([value isKindOfClass:[NSString class]],
+             @"%@ is not an NSString.", value);
+    if ([kRTCMediaConstraintsAudioNetworkAdaptorConfig isEqualToString:key]) {
+      // This value is base64 encoded.
+      NSData *charData = [[NSData alloc] initWithBase64EncodedString:value options:0];
+      std::string configValue =
+          std::string(reinterpret_cast<const char *>(charData.bytes), charData.length);
+      nativeConstraints.push_back(webrtc::MediaConstraintsInterface::Constraint(
+          key.stdString, configValue));
+    } else {
+      nativeConstraints.push_back(webrtc::MediaConstraintsInterface::Constraint(
+          key.stdString, value.stdString));
+    }
+  }
+  return nativeConstraints;
+}
+
+@end