Joshua Gross b905548a3b Fabric: Replace ImageLoader promise implementation with observer model
Summary: Folly promises/futures have been replaced by an observer model which keeps track of loading state. This resolves at least one crash that I can no longer repro and simplifies the code a bit (IMO).

Reviewed By: shergin

Differential Revision: D13743393

fbshipit-source-id: 2b650841525db98b2f67add85f2097f24259c6cf
2019-01-25 09:24:09 -08:00

43 lines
927 B
C++

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "ImageEventEmitter.h"
namespace facebook {
namespace react {
void ImageEventEmitter::onLoadStart() const {
dispatchEvent("loadStart");
}
void ImageEventEmitter::onLoad() const {
dispatchEvent("load");
}
void ImageEventEmitter::onLoadEnd() const {
dispatchEvent("loadEnd");
}
void ImageEventEmitter::onProgress(double progress) const {
dispatchEvent("progress", [=](jsi::Runtime &runtime) {
auto payload = jsi::Object(runtime);
payload.setProperty(runtime, "progress", progress);
return payload;
});
}
void ImageEventEmitter::onError() const {
dispatchEvent("error");
}
void ImageEventEmitter::onPartialLoad() const {
dispatchEvent("partialLoad");
}
} // namespace react
} // namespace facebook