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Unified Diff: webrtc/api/objc/RTCPeerConnection+Stats.mm

Issue 1640993002: Update API for Objective-C RTCPeerConnection. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Changes based on feedback Created 4 years, 10 months ago
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Index: webrtc/api/objc/RTCPeerConnection+Stats.mm
diff --git a/webrtc/api/objc/RTCPeerConnection+Stats.mm b/webrtc/api/objc/RTCPeerConnection+Stats.mm
new file mode 100644
index 0000000000000000000000000000000000000000..5032c84e54b6497ff43cc4900707012aaa1d72f8
--- /dev/null
+++ b/webrtc/api/objc/RTCPeerConnection+Stats.mm
@@ -0,0 +1,64 @@
+/*
+ * 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 "webrtc/api/objc/RTCPeerConnection+Private.h"
+
+#include "webrtc/base/checks.h"
+
+#import "webrtc/api/objc/RTCMediaStreamTrack+Private.h"
+#import "webrtc/api/objc/RTCStatsReport+Private.h"
+#import "webrtc/base/objc/NSString+StdString.h"
+
+namespace webrtc {
+
+class StatsObserverAdapter : public StatsObserver {
+ public:
+ StatsObserverAdapter(void (^completionHandler)
+ (NSArray<RTCStatsReport *> *stats)) {
+ completion_handler_ = completionHandler;
+ }
+
+ ~StatsObserverAdapter() {
+ completion_handler_ = nil;
+ }
+
+ void OnComplete(const StatsReports& reports) override {
+ RTC_DCHECK(completion_handler_);
+ NSMutableArray *stats = [NSMutableArray arrayWithCapacity:reports.size()];
+ for (const auto* report : reports) {
+ RTCStatsReport *statsReport =
+ [[RTCStatsReport alloc] initWithNativeReport:*report];
+ [stats addObject:statsReport];
+ }
+ completion_handler_(stats);
+ completion_handler_ = nil;
+ }
+
+ private:
+ void (^completion_handler_)(NSArray<RTCStatsReport *> *stats);
+};
+} // namespace webrtc
+
+@implementation RTCPeerConnection (Stats)
+
+- (void)statsForTrack:(RTCMediaStreamTrack *)mediaStreamTrack
+ statsOutputLevel:(RTCStatsOutputLevel)statsOutputLevel
+ completionHandler:
+ (void (^)(NSArray<RTCStatsReport *> *stats))completionHandler {
+ rtc::scoped_refptr<webrtc::StatsObserverAdapter> observer(
+ new rtc::RefCountedObject<webrtc::StatsObserverAdapter>
+ (completionHandler));
+ webrtc::PeerConnectionInterface::StatsOutputLevel nativeOutputLevel =
+ [[self class] nativeStatsOutputLevelForLevel:statsOutputLevel];
+ self.nativePeerConnection->GetStats(
+ observer, mediaStreamTrack.nativeTrack, nativeOutputLevel);
+}
+
+@end
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