Files
react-native/ReactCommon/fabric/imagemanager/platform/ios/ImageRequest.cpp
T
David Vacca 5d414665ea Fix reload for Image views in Android
Summary: This diff fixes the release of ImageRequest object. The responseFutureSplitter_ can be destroyed by the time ~ImageRequest is executed. See P60163877 for original crash (this crash was reproducible when reloading or closing a Fabric screen that contains several images.

Reviewed By: shergin

Differential Revision: D10282207

fbshipit-source-id: 4f0894959e54f6d15b98e216df102e764866e387
2018-10-12 18:41:51 -07:00

51 lines
1.3 KiB
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 "ImageRequest.h"
namespace facebook {
namespace react {
class ImageRequest::ImageNoLongerNeededException : public std::logic_error {
public:
ImageNoLongerNeededException()
: std::logic_error("Image no longer needed.") {}
};
ImageRequest::ImageRequest(
const ImageSource &imageSource,
folly::Future<ImageResponse> &&responseFuture)
: imageSource_(imageSource),
responseFutureSplitter_(folly::splitFuture(std::move(responseFuture))) {}
ImageRequest::ImageRequest(ImageRequest &&other) noexcept
: imageSource_(std::move(other.imageSource_)),
responseFutureSplitter_(std::move(other.responseFutureSplitter_)) {
other.moved_ = true;
};
ImageRequest::~ImageRequest() {
if (!moved_) {
auto future = responseFutureSplitter_.getFuture();
if (!future.isReady()) {
future.raise(ImageNoLongerNeededException());
}
}
}
folly::Future<ImageResponse> ImageRequest::getResponseFuture() const {
if (moved_) {
abort();
}
std::lock_guard<std::mutex> lock(mutex_);
return responseFutureSplitter_.getFuture();
}
} // namespace react
} // namespace facebook