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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/dom/ModulePendingScript.h" | |
| 6 | |
| 7 #include "core/dom/ScriptLoader.h" | |
| 8 #include "core/frame/LocalFrame.h" | |
| 9 | |
| 10 namespace blink { | |
| 11 | |
| 12 ModulePendingScriptTreeClient::ModulePendingScriptTreeClient() | |
| 13 : module_script_(nullptr), pending_script_(nullptr) {} | |
| 14 | |
| 15 void ModulePendingScriptTreeClient::SetPendingScript( | |
| 16 ModulePendingScript* pending_script) { | |
| 17 DCHECK(!pending_script_); | |
| 18 pending_script_ = pending_script; | |
| 19 | |
| 20 if (finished_) { | |
| 21 pending_script_->NotifyModuleTreeLoadFinished(); | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 void ModulePendingScriptTreeClient::NotifyModuleTreeLoadFinished( | |
| 26 ModuleScript* module_script) { | |
| 27 DCHECK(!(module_script && module_script->InstantiationState() == | |
| 28 ModuleInstantiationState::kUninstantiated)); | |
| 29 DCHECK(!finished_); | |
| 30 finished_ = true; | |
| 31 module_script_ = module_script; | |
| 32 | |
| 33 if (pending_script_) | |
| 34 pending_script_->NotifyModuleTreeLoadFinished(); | |
| 35 } | |
| 36 | |
| 37 DEFINE_TRACE(ModulePendingScriptTreeClient) { | |
| 38 visitor->Trace(module_script_); | |
| 39 visitor->Trace(pending_script_); | |
| 40 ModuleTreeClient::Trace(visitor); | |
| 41 } | |
| 42 | |
| 43 ModulePendingScript::ModulePendingScript(ScriptElementBase* element, | |
| 44 ModulePendingScriptTreeClient* client) | |
| 45 : PendingScript(element, TextPosition()), module_tree_client_(client) { | |
| 46 CHECK(this->GetElement()); | |
| 47 DCHECK(module_tree_client_); | |
| 48 client->SetPendingScript(this); | |
| 49 } | |
| 50 | |
| 51 ModulePendingScript::~ModulePendingScript() {} | |
| 52 | |
| 53 void ModulePendingScript::DisposeInternal() { | |
| 54 module_tree_client_ = nullptr; | |
| 55 } | |
| 56 | |
| 57 DEFINE_TRACE(ModulePendingScript) { | |
| 58 visitor->Trace(module_tree_client_); | |
| 59 PendingScript::Trace(visitor); | |
| 60 } | |
| 61 | |
| 62 void ModulePendingScript::NotifyModuleTreeLoadFinished() { | |
| 63 CHECK(!IsReady()); | |
| 64 ready_ = true; | |
| 65 | |
| 66 if (Client()) | |
| 67 Client()->PendingScriptFinished(this); | |
| 68 } | |
| 69 | |
| 70 Script* ModulePendingScript::GetSource(const KURL& document_url, | |
| 71 bool& error_occurred) const { | |
| 72 CHECK(IsReady()); | |
| 73 error_occurred = ErrorOccurred(); | |
| 74 return GetModuleScript(); | |
| 75 } | |
| 76 | |
| 77 bool ModulePendingScript::ErrorOccurred() const { | |
| 78 CHECK(IsReady()); | |
| 79 return !GetModuleScript(); | |
| 80 } | |
| 81 | |
| 82 } // namespace blink | |
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Chromium Code Reviews
Issue 2816043005:
Revert of Introduce ModulePendingScript (Closed)
