jiuyiUniapp/service/node_modules/react-native/Libraries/Blob/RCTBlobCollector.mm

58 lines
2.0 KiB
Plaintext

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTBlobCollector.h"
#import <React/RCTBlobManager.h>
#import <React/RCTBridge+Private.h>
namespace facebook::react {
RCTBlobCollector::RCTBlobCollector(RCTBlobManager *blobManager, const std::string &blobId)
: blobId_(blobId), blobManager_(blobManager)
{
}
RCTBlobCollector::~RCTBlobCollector()
{
RCTBlobManager *blobManager = blobManager_;
NSString *blobId = [NSString stringWithUTF8String:blobId_.c_str()];
dispatch_async([blobManager_ executionQueue], ^{
[blobManager remove:blobId];
});
}
void RCTBlobCollector::install(RCTBlobManager *blobManager)
{
__weak RCTCxxBridge *cxxBridge = (RCTCxxBridge *)blobManager.bridge;
[cxxBridge
dispatchBlock:^{
if (!cxxBridge || cxxBridge.runtime == nullptr) {
return;
}
jsi::Runtime &runtime = *(jsi::Runtime *)cxxBridge.runtime;
runtime.global().setProperty(
runtime,
"__blobCollectorProvider",
jsi::Function::createFromHostFunction(
runtime,
jsi::PropNameID::forAscii(runtime, "__blobCollectorProvider"),
1,
[blobManager](jsi::Runtime &rt, const jsi::Value &thisVal, const jsi::Value *args, size_t count) {
auto blobId = args[0].asString(rt).utf8(rt);
auto blobCollector = std::make_shared<RCTBlobCollector>(blobManager, blobId);
auto blobCollectorJsObject = jsi::Object::createFromHostObject(rt, blobCollector);
blobCollectorJsObject.setExternalMemoryPressure(
rt, [blobManager lengthOfBlobWithId:[NSString stringWithUTF8String:blobId.c_str()]]);
return blobCollectorJsObject;
}));
}
queue:RCTJSThread];
}
} // namespace facebook::react