Revert D15237418: [react-native][PR] [Blob] Release underlying resources when JS instance in GC'ed on iOS

Differential Revision:
D15237418

Original commit changeset: 00a94a54b0b1

fbshipit-source-id: bb6c7aa3f5b6ae7f40965b96f1e0fd8eb7512015

Author: zeyadsalloum

Libraries/Blob/BlobManager.js

@@ -14,7 +14,7 @@ const Blob = require('Blob');
 const BlobRegistry = require('BlobRegistry');
 const {BlobModule} = require('NativeModules');
 
-import type {BlobData, BlobOptions, BlobCollector} from 'BlobTypes';
+import type {BlobData, BlobOptions} from 'BlobTypes';
 
 /*eslint-disable no-bitwise */
 /*eslint-disable eqeqeq */
@@ -31,21 +31,6 @@ function uuidv4(): string {
   });
 }
 
-// **Temporary workaround**
-// TODO(#24654): Use turbomodules for the Blob module.
-// Blob collector is a jsi::HostObject that is used by native to know
-// when the a Blob instance is deallocated. This allows to free the
-// underlying native resources. This is a hack to workaround the fact
-// that the current bridge infra doesn't allow to track js objects
-// deallocation. Ideally the whole Blob object should be a jsi::HostObject.
-function createBlobCollector(blobId: string): BlobCollector | null {
-  if (global.__blobCollectorProvider == null) {
-    return null;
-  } else {
-    return global.__blobCollectorProvider(blobId);
-  }
-}
-
 /**
  * Module to manage blobs. Wrapper around the native blob module.
  */
@@ -109,18 +94,7 @@ class BlobManager {
    */
   static createFromOptions(options: BlobData): Blob {
     BlobRegistry.register(options.blobId);
-    return Object.assign(Object.create(Blob.prototype), {
-      data:
-        // Reuse the collector instance when creating from an existing blob.
-        // This will make sure that the underlying resource is only deallocated
-        // when all blobs that refer to it are deallocated.
-        options.__collector == null
-          ? {
-              ...options,
-              __collector: createBlobCollector(options.blobId),
-            }
-          : options,
-    });
+    return Object.assign(Object.create(Blob.prototype), {data: options});
   }
 
   /**

Libraries/Blob/BlobTypes.js

@@ -10,16 +10,13 @@
 
 'use strict';
 
-export opaque type BlobCollector = {};
-
 export type BlobData = {
   blobId: string,
   offset: number,
   size: number,
   name?: string,
   type?: string,
   lastModified?: number,
-  __collector?: ?BlobCollector,
 };
 
 export type BlobOptions = {

Libraries/Blob/RCTBlob.xcodeproj/project.pbxproj

@@ -7,10 +7,6 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		1946172A225F085900E4E008 /* RCTBlobCollector.h in Headers */ = {isa = PBXBuildFile; fileRef = 19461728225F085900E4E008 /* RCTBlobCollector.h */; };
-		1946172B225F085900E4E008 /* RCTBlobCollector.h in Headers */ = {isa = PBXBuildFile; fileRef = 19461728225F085900E4E008 /* RCTBlobCollector.h */; };
-		1946172C225F085900E4E008 /* RCTBlobCollector.mm in Sources */ = {isa = PBXBuildFile; fileRef = 19461729225F085900E4E008 /* RCTBlobCollector.mm */; };
-		1946172D225F085900E4E008 /* RCTBlobCollector.mm in Sources */ = {isa = PBXBuildFile; fileRef = 19461729225F085900E4E008 /* RCTBlobCollector.mm */; };
 		19BA88FE1F84391700741C5A /* RCTFileReaderModule.h in Copy Headers */ = {isa = PBXBuildFile; fileRef = ADDFBA6A1F33455F0064C998 /* RCTFileReaderModule.h */; };
 		19BA88FF1F84392900741C5A /* RCTFileReaderModule.h in Headers */ = {isa = PBXBuildFile; fileRef = ADDFBA6A1F33455F0064C998 /* RCTFileReaderModule.h */; };
 		19BA89001F84392F00741C5A /* RCTFileReaderModule.h in Copy Headers */ = {isa = PBXBuildFile; fileRef = ADDFBA6A1F33455F0064C998 /* RCTFileReaderModule.h */; };
@@ -53,8 +49,6 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
-		19461728225F085900E4E008 /* RCTBlobCollector.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTBlobCollector.h; sourceTree = "<group>"; };
-		19461729225F085900E4E008 /* RCTBlobCollector.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = RCTBlobCollector.mm; sourceTree = "<group>"; };
 		358F4ED71D1E81A9004DF814 /* libRCTBlob.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRCTBlob.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		AD9A43C11DFC7126008DC588 /* RCTBlobManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = RCTBlobManager.h; sourceTree = "<group>"; };
 		AD9A43C21DFC7126008DC588 /* RCTBlobManager.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = RCTBlobManager.mm; sourceTree = "<group>"; };
@@ -67,8 +61,6 @@
 		358F4ECE1D1E81A9004DF814 = {
 			isa = PBXGroup;
 			children = (
-				19461728225F085900E4E008 /* RCTBlobCollector.h */,
-				19461729225F085900E4E008 /* RCTBlobCollector.mm */,
 				ADDFBA6A1F33455F0064C998 /* RCTFileReaderModule.h */,
 				ADDFBA6B1F33455F0064C998 /* RCTFileReaderModule.m */,
 				AD9A43C11DFC7126008DC588 /* RCTBlobManager.h */,
@@ -97,7 +89,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				AD0871161E215EC9007D136D /* RCTBlobManager.h in Headers */,
-				1946172A225F085900E4E008 /* RCTBlobCollector.h in Headers */,
 				ADDFBA6C1F33455F0064C998 /* RCTFileReaderModule.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -107,7 +98,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				19BA88FF1F84392900741C5A /* RCTFileReaderModule.h in Headers */,
-				1946172B225F085900E4E008 /* RCTBlobCollector.h in Headers */,
 				AD0871181E215ED1007D136D /* RCTBlobManager.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -172,7 +162,6 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 			);
 			mainGroup = 358F4ECE1D1E81A9004DF814;
@@ -191,7 +180,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				1946172C225F085900E4E008 /* RCTBlobCollector.mm in Sources */,
 				ADDFBA6D1F33455F0064C998 /* RCTFileReaderModule.m in Sources */,
 				AD9A43C31DFC7126008DC588 /* RCTBlobManager.mm in Sources */,
 			);
@@ -201,7 +189,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				1946172D225F085900E4E008 /* RCTBlobCollector.mm in Sources */,
 				19BA89011F84393D00741C5A /* RCTFileReaderModule.m in Sources */,
 				ADD01A711E09404A00F6D226 /* RCTBlobManager.mm in Sources */,
 			);

Libraries/Blob/RCTBlobCollector.h

@@ -13,7 +13,6 @@
 #import <React/RCTNetworking.h>
 #import <React/RCTUtils.h>
 #import <React/RCTWebSocketModule.h>
-#import "RCTBlobCollector.h"
 
 static NSString *const kBlobURIScheme = @"blob";
 
@@ -34,16 +33,13 @@ @implementation RCTBlobManager
 RCT_EXPORT_MODULE(BlobModule)
 
 @synthesize bridge = _bridge;
-@synthesize methodQueue = _methodQueue;
 
 - (void)setBridge:(RCTBridge *)bridge
 {
   _bridge = bridge;
 
   std::lock_guard<std::mutex> lock(_blobsMutex);
   _blobs = [NSMutableDictionary new];
-
-  facebook::react::RCTBlobCollector::install(self);
 }
 
 + (BOOL)requiresMainQueueSetup