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979ea2094e
Summary: @public ImageManager coordinates all work related to loading image bitmaps for <Image> component. The particular iOS implementation uses RCTImageLoader from RCTImage module under the hood. Reviewed By: fkgozali Differential Revision: D8526571 fbshipit-source-id: a0d927972d30113eed6e0cd169fceee17610181d
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "ImageRequest.h"
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namespace facebook {
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namespace react {
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class ImageRequest::ImageNoLongerNeededException:
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public std::logic_error {
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public:
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ImageNoLongerNeededException():
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std::logic_error("Image no longer needed.") {}
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};
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ImageRequest::ImageRequest(const ImageSource &imageSource, folly::Future<ImageResponse> &&responseFuture):
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imageSource_(imageSource),
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responseFutureSplitter_(folly::splitFuture(std::move(responseFuture))) {}
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ImageRequest::ImageRequest(ImageRequest &&other) noexcept:
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imageSource_(std::move(other.imageSource_)),
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responseFutureSplitter_(std::move(other.responseFutureSplitter_)) {
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other.moved_ = true;
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};
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ImageRequest::~ImageRequest() {
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if (!moved_) {
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auto future = responseFutureSplitter_.getFuture();
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if (!future.isReady()) {
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future.raise(ImageNoLongerNeededException());
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}
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}
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}
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folly::Future<ImageResponse> ImageRequest::getResponseFuture() const {
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if (moved_) {
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abort();
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}
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std::lock_guard<std::mutex> lock(mutex_);
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return responseFutureSplitter_.getFuture();
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}
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} // namespace react
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} // namespace facebook
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