Index: runtime/include/dart_tools_api.h |
diff --git a/runtime/include/dart_tools_api.h b/runtime/include/dart_tools_api.h |
index 13be4f920ee3f8a86cb1c3fe860d8b924492a91e..8b9b0137135e7318c2be7d80ea4e2de6acd9ff37 100644 |
--- a/runtime/include/dart_tools_api.h |
+++ b/runtime/include/dart_tools_api.h |
@@ -1078,4 +1078,50 @@ DART_EXPORT Dart_Handle Dart_TimelineAsyncInstant(const char* label, |
DART_EXPORT Dart_Handle Dart_TimelineAsyncEnd(const char* label, |
int64_t async_id); |
+ |
+/** |
+ * Called by the VM to let the embedder know when to start recording into their |
+ * own timeline implementation. Can be called from any thread. |
+ */ |
+typedef void (*Dart_EmbedderTimelineStartRecording)(); |
+ |
+/** |
+ * Called by the VM to let the embedder know when to stop recording into their |
+ * own timeline implementation. Can be called from any thread. |
+ */ |
+typedef void (*Dart_EmbedderTimelineStopRecording)(); |
+ |
+/** |
+ * Called by the VM to request data from the embedder's private timeline |
+ * implementation. Can be called from any thread and must complete |
+ * synchronously. |
yjbanov
2016/03/10 22:45:16
I'm not sure Flutter's implementation can complete
|
+ * |
+ * \param stream_consumer The embedder must only call the stream_consumer with |
+ * the Dart_StreamConsumer_kData state. See Dart_StreamConsumer above. |
+ * \param user_data |
+ * |
+ * \return Returns true on success. |
+ * |
+ */ |
+typedef bool (*Dart_EmbedderTimelineGetTimeline)( |
+ Dart_StreamConsumer stream_consumer, |
+ void* user_data); |
+ |
+ |
+/** |
+ * Sets the embedder timeline callbacks. These callbacks are used by the VM |
+ * to notify the embedder of timeline recording state changes and to request |
+ * data from the embedder. |
+ * |
+ * \param start_recording See Dart_EmbedderTimelineStartRecording. |
+ * \param stop_recording See Dart_EmbedderTimelineStopRecording. |
+ * \param get_timeline See Dart_EmbedderTimelineGetTimeline. |
+ * |
+ * NOTE: To avoid races, this should be called before Dart_Initialize. |
+ */ |
+DART_EXPORT void Dart_SetEmbedderTimelineCallbacks( |
+ Dart_EmbedderTimelineStartRecording start_recording, |
+ Dart_EmbedderTimelineStopRecording stop_recording, |
+ Dart_EmbedderTimelineGetTimeline get_timeline); |
siva
2016/03/11 12:56:17
Does it make sense for any of these callbacks to b
|
+ |
#endif // INCLUDE_DART_TOOLS_API_H_ |