Update API for Objective-C RTCConfiguration.

webrtc/api/objc/RTCConfiguration.mm

Index: webrtc/api/objc/RTCConfiguration.mm
diff --git a/webrtc/api/objc/RTCConfiguration.mm b/webrtc/api/objc/RTCConfiguration.mm
new file mode 100644
index 0000000000000000000000000000000000000000..ec59ca2d53400c4d738b506f0f70a3691e0681e4
--- /dev/null
+++ b/webrtc/api/objc/RTCConfiguration.mm
@@ -0,0 +1,276 @@
+/*
+ *  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 "RTCConfiguration.h"
+
+#import "webrtc/api/objc/RTCConfiguration+Private.h"
+#import "webrtc/api/objc/RTCIceServer+Private.h"
+
+@implementation RTCConfiguration
+
+@synthesize iceServers = _iceServers;
+@synthesize iceTransportPolicy = _iceTransportPolicy;
+@synthesize bundlePolicy = _bundlePolicy;
+@synthesize rtcpMuxPolicy = _rtcpMuxPolicy;
+@synthesize tcpCandidatePolicy = _tcpCandidatePolicy;
+@synthesize audioJitterBufferMaxPackets = _audioJitterBufferMaxPackets;
+@synthesize iceConnectionReceivingTimeout = _iceConnectionReceivingTimeout;
+@synthesize iceBackupCandidatePairPingInterval =
+    _iceBackupCandidatePairPingInterval;
+
+- (instancetype)init {
+  if (self = [super init]) {
+    _iceServers = [NSMutableArray array];
+    // Copy defaults.
+    webrtc::PeerConnectionInterface::RTCConfiguration config;
+    _iceTransportPolicy =
+        [[self class] transportPolicyForTransportsType:config.type];
+    _bundlePolicy =
+        [[self class] bundlePolicyForNativePolicy:config.bundle_policy];
+    _rtcpMuxPolicy =
+        [[self class] rtcpMuxPolicyForNativePolicy:config.rtcp_mux_policy];
+    _tcpCandidatePolicy = [[self class] tcpCandidatePolicyForNativePolicy:
+        config.tcp_candidate_policy];
+    _audioJitterBufferMaxPackets = config.audio_jitter_buffer_max_packets;
+    _iceConnectionReceivingTimeout = config.ice_connection_receiving_timeout;
+    _iceBackupCandidatePairPingInterval =
+        config.ice_backup_candidate_pair_ping_interval;
+  }
+  return self;
+}
+
+- (instancetype)initWithIceServers:(NSArray<RTCIceServer *> *)iceServers
+                    iceTransportPolicy:(RTCIceTransportPolicy)iceTransportPolicy
+                          bundlePolicy:(RTCBundlePolicy)bundlePolicy
+                         rtcpMuxPolicy:(RTCRtcpMuxPolicy)rtcpMuxPolicy
+                    tcpCandidatePolicy:(RTCTcpCandidatePolicy)tcpCandidatePolicy
+           audioJitterBufferMaxPackets:(int)audioJitterBufferMaxPackets
+         iceConnectionReceivingTimeout:(int)iceConnectionReceivingTimeout
+    iceBackupCandidatePairPingInterval:(int)iceBackupCandidatePairPingInterval {
+  if (self = [self init]) {
+    if (iceServers) {
+      _iceServers = [iceServers copy];
+    }
+    _iceTransportPolicy = iceTransportPolicy;
+    _bundlePolicy = bundlePolicy;
+    _rtcpMuxPolicy = rtcpMuxPolicy;
+    _tcpCandidatePolicy = tcpCandidatePolicy;
+    _audioJitterBufferMaxPackets = audioJitterBufferMaxPackets;
+    _iceConnectionReceivingTimeout = iceConnectionReceivingTimeout;
+    _iceBackupCandidatePairPingInterval = iceBackupCandidatePairPingInterval;
+  }
+  return self;
+}
+
+- (NSString *)description {
+  return [NSString stringWithFormat:
+      @"RTCConfiguration: {\n%@\n%@\n%@\n%@\n%@\n%d\n%d\n%d\n}\n",
+      _iceServers,
+      [[self class] stringForTransportPolicy:_iceTransportPolicy],
+      [[self class] stringForBundlePolicy:_bundlePolicy],
+      [[self class] stringForRtcpMuxPolicy:_rtcpMuxPolicy],
+      [[self class] stringForTcpCandidatePolicy:_tcpCandidatePolicy],
+      _audioJitterBufferMaxPackets,
+      _iceConnectionReceivingTimeout,
+      _iceBackupCandidatePairPingInterval];
+}
+
+#pragma mark - Private
+
+- (webrtc::PeerConnectionInterface::RTCConfiguration)nativeConfiguration {
+  webrtc::PeerConnectionInterface::RTCConfiguration nativeConfig;
+
+  for (RTCIceServer *iceServer in _iceServers) {
+    nativeConfig.servers.push_back(iceServer.iceServer);
+  }
+  nativeConfig.type =
+      [[self class] nativeTransportsTypeForTransportPolicy:_iceTransportPolicy];
+  nativeConfig.bundle_policy =
+      [[self class] nativeBundlePolicyForPolicy:_bundlePolicy];
+  nativeConfig.rtcp_mux_policy =
+      [[self class] nativeRtcpMuxPolicyForPolicy:_rtcpMuxPolicy];
+  nativeConfig.tcp_candidate_policy =
+      [[self class] nativeTcpCandidatePolicyForPolicy:_tcpCandidatePolicy];
+  nativeConfig.audio_jitter_buffer_max_packets = _audioJitterBufferMaxPackets;
+  nativeConfig.ice_connection_receiving_timeout =
+      _iceConnectionReceivingTimeout;
+  nativeConfig.ice_backup_candidate_pair_ping_interval =
+      _iceBackupCandidatePairPingInterval;
+
+  return nativeConfig;
+}
+
+- (instancetype)initWithNativeConfiguration:
+    (webrtc::PeerConnectionInterface::RTCConfiguration)nativeConfig {
+  NSMutableArray *iceServers =
+        [NSMutableArray arrayWithCapacity:nativeConfig.servers.size()];
+  for (auto const &server : nativeConfig.servers) {
+    RTCIceServer *iceServer =
+        [[RTCIceServer alloc] initWithNativeServer:server];
+    [iceServers addObject:iceServer];
+  }
+
+  if (self = [self init]) {
+    if (iceServers) {
+      _iceServers = [iceServers copy];
+    }
+    _iceTransportPolicy =
+        [[self class] transportPolicyForTransportsType:nativeConfig.type];
+    _bundlePolicy =
+        [[self class] bundlePolicyForNativePolicy:nativeConfig.bundle_policy];
+    _rtcpMuxPolicy = [[self class] rtcpMuxPolicyForNativePolicy:
+        nativeConfig.rtcp_mux_policy];
+    _tcpCandidatePolicy = [[self class] tcpCandidatePolicyForNativePolicy:
+        nativeConfig.tcp_candidate_policy];
+    _audioJitterBufferMaxPackets = nativeConfig.audio_jitter_buffer_max_packets;
+    _iceConnectionReceivingTimeout =
+        nativeConfig.ice_connection_receiving_timeout;
+    _iceBackupCandidatePairPingInterval =
+        nativeConfig.ice_backup_candidate_pair_ping_interval;
+  }
+
+  return self;
+}
+
++ (webrtc::PeerConnectionInterface::IceTransportsType)
+    nativeTransportsTypeForTransportPolicy:(RTCIceTransportPolicy)policy {
+  switch (policy) {
+    case RTCIceTransportPolicyNone:
+      return webrtc::PeerConnectionInterface::kNone;
+    case RTCIceTransportPolicyRelay:
+      return webrtc::PeerConnectionInterface::kRelay;
+    case RTCIceTransportPolicyNoHost:
+      return webrtc::PeerConnectionInterface::kNoHost;
+    case RTCIceTransportPolicyAll:
+      return webrtc::PeerConnectionInterface::kAll;
+  }
+}
+
++ (RTCIceTransportPolicy)transportPolicyForTransportsType:
+    (webrtc::PeerConnectionInterface::IceTransportsType)nativeType {
+  switch (nativeType) {
+    case webrtc::PeerConnectionInterface::kNone:
+      return RTCIceTransportPolicyNone;
+    case webrtc::PeerConnectionInterface::kRelay:
+      return RTCIceTransportPolicyRelay;
+    case webrtc::PeerConnectionInterface::kNoHost:
+      return RTCIceTransportPolicyNoHost;
+    case webrtc::PeerConnectionInterface::kAll:
+      return RTCIceTransportPolicyAll;
+  }
+}
+
++ (NSString *)stringForTransportPolicy:(RTCIceTransportPolicy)policy {
+  switch (policy) {
+    case RTCIceTransportPolicyNone:
+      return @"NONE";
+    case RTCIceTransportPolicyRelay:
+      return @"RELAY";
+    case RTCIceTransportPolicyNoHost:
+      return @"NO_HOST";
+    case RTCIceTransportPolicyAll:
+      return @"ALL";
+  }
+}
+
++ (webrtc::PeerConnectionInterface::BundlePolicy)nativeBundlePolicyForPolicy:
+    (RTCBundlePolicy)policy {
+  switch (policy) {
+    case RTCBundlePolicyBalanced:
+      return webrtc::PeerConnectionInterface::kBundlePolicyBalanced;
+    case RTCBundlePolicyMaxCompat:
+      return webrtc::PeerConnectionInterface::kBundlePolicyMaxCompat;
+    case RTCBundlePolicyMaxBundle:
+      return webrtc::PeerConnectionInterface::kBundlePolicyMaxBundle;
+  }
+}
+
++ (RTCBundlePolicy)bundlePolicyForNativePolicy:
+    (webrtc::PeerConnectionInterface::BundlePolicy)nativePolicy {
+  switch (nativePolicy) {
+    case webrtc::PeerConnectionInterface::kBundlePolicyBalanced:
+      return RTCBundlePolicyBalanced;
+    case webrtc::PeerConnectionInterface::kBundlePolicyMaxCompat:
+      return RTCBundlePolicyMaxCompat;
+    case webrtc::PeerConnectionInterface::kBundlePolicyMaxBundle:
+      return RTCBundlePolicyMaxBundle;
+  }
+}
+
++ (NSString *)stringForBundlePolicy:(RTCBundlePolicy)policy {
+  switch (policy) {
+    case RTCBundlePolicyBalanced:
+      return @"BALANCED";
+    case RTCBundlePolicyMaxCompat:
+      return @"MAX_COMPAT";
+    case RTCBundlePolicyMaxBundle:
+      return @"MAX_BUNDLE";
+  }
+}
+
++ (webrtc::PeerConnectionInterface::RtcpMuxPolicy)nativeRtcpMuxPolicyForPolicy:
+    (RTCRtcpMuxPolicy)policy {
+  switch (policy) {
+    case RTCRtcpMuxPolicyNegotiate:
+      return webrtc::PeerConnectionInterface::kRtcpMuxPolicyNegotiate;
+    case RTCRtcpMuxPolicyRequire:
+      return webrtc::PeerConnectionInterface::kRtcpMuxPolicyRequire;
+  }
+}
+
++ (RTCRtcpMuxPolicy)rtcpMuxPolicyForNativePolicy:
+    (webrtc::PeerConnectionInterface::RtcpMuxPolicy)nativePolicy {
+  switch (nativePolicy) {
+    case webrtc::PeerConnectionInterface::kRtcpMuxPolicyNegotiate:
+      return RTCRtcpMuxPolicyNegotiate;
+    case webrtc::PeerConnectionInterface::kRtcpMuxPolicyRequire:
+      return RTCRtcpMuxPolicyRequire;
+  }
+}
+
++ (NSString *)stringForRtcpMuxPolicy:(RTCRtcpMuxPolicy)policy {
+  switch (policy) {
+    case RTCRtcpMuxPolicyNegotiate:
+      return @"NEGOTIATE";
+    case RTCRtcpMuxPolicyRequire:
+      return @"REQUIRE";
+  }
+}
+
++ (webrtc::PeerConnectionInterface::TcpCandidatePolicy)
+    nativeTcpCandidatePolicyForPolicy:(RTCTcpCandidatePolicy)policy {
+  switch (policy) {
+    case RTCTcpCandidatePolicyEnabled:
+      return webrtc::PeerConnectionInterface::kTcpCandidatePolicyEnabled;
+    case RTCTcpCandidatePolicyDisabled:
+      return webrtc::PeerConnectionInterface::kTcpCandidatePolicyDisabled;
+  }
+}
+
++ (RTCTcpCandidatePolicy)tcpCandidatePolicyForNativePolicy:
+    (webrtc::PeerConnectionInterface::TcpCandidatePolicy)nativePolicy {
+  switch (nativePolicy) {
+    case webrtc::PeerConnectionInterface::kTcpCandidatePolicyEnabled:
+      return RTCTcpCandidatePolicyEnabled;
+    case webrtc::PeerConnectionInterface::kTcpCandidatePolicyDisabled:
+      return RTCTcpCandidatePolicyDisabled;
+  }
+}
+
++ (NSString *)stringForTcpCandidatePolicy:(RTCTcpCandidatePolicy)policy {
+  switch (policy) {
+    case RTCTcpCandidatePolicyEnabled:
+      return @"TCP_ENABLED";
+    case RTCTcpCandidatePolicyDisabled:
+      return @"TCP_DISABLED";
+  }
+}
+
+@end