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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "core/loader/modulescript/WorkletModuleScriptFetcher.h" |
| 6 |
| 7 #include "platform/CrossThreadFunctional.h" |
| 8 |
| 9 namespace blink { |
| 10 |
| 11 WorkletModuleScriptFetcher::WorkletModuleScriptFetcher( |
| 12 FetchParameters fetch_params, |
| 13 ResourceFetcher* fetcher, |
| 14 Modulator* modulator, |
| 15 WorkletModuleResponsesMapProxy* module_responses_map_proxy) |
| 16 : ModuleScriptFetcher(fetch_params, fetcher, modulator), |
| 17 module_responses_map_proxy_(module_responses_map_proxy) {} |
| 18 |
| 19 DEFINE_TRACE(WorkletModuleScriptFetcher) { |
| 20 visitor->Trace(module_responses_map_proxy_); |
| 21 ModuleScriptFetcher::Trace(visitor); |
| 22 } |
| 23 |
| 24 void WorkletModuleScriptFetcher::FetchInternal() { |
| 25 module_responses_map_proxy_->ReadEntry(GetRequestUrl(), this); |
| 26 } |
| 27 |
| 28 void WorkletModuleScriptFetcher::OnRead( |
| 29 const ModuleScriptCreationParams& params) { |
| 30 Finalize(params); |
| 31 } |
| 32 |
| 33 void WorkletModuleScriptFetcher::OnFetchNeeded() { |
| 34 // A target module hasn't been fetched yet. Fallback to the regular module |
| 35 // loading path. The module will be cached in NotifyFinished(). |
| 36 was_fetched_via_network_ = true; |
| 37 ModuleScriptFetcher::FetchInternal(); |
| 38 } |
| 39 |
| 40 void WorkletModuleScriptFetcher::OnFailed() { |
| 41 Finalize(WTF::nullopt); |
| 42 } |
| 43 |
| 44 void WorkletModuleScriptFetcher::Finalize( |
| 45 WTF::Optional<ModuleScriptCreationParams> params) { |
| 46 if (!params.has_value()) { |
| 47 module_responses_map_proxy_->InvalidateEntry(GetRequestUrl()); |
| 48 } else if (was_fetched_via_network_) { |
| 49 module_responses_map_proxy_->UpdateEntry(GetRequestUrl(), *params); |
| 50 } |
| 51 ModuleScriptFetcher::Finalize(params); |
| 52 } |
| 53 |
| 54 } // namespace blink |
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