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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/workers/ThreadedWorklet.h" | 5 #include "core/workers/ThreadedWorklet.h" |
6 | 6 |
7 #include "bindings/core/v8/ScriptSourceCode.h" | 7 #include "bindings/core/v8/ScriptSourceCode.h" |
8 #include "bindings/core/v8/V8BindingForCore.h" | 8 #include "bindings/core/v8/V8BindingForCore.h" |
9 #include "core/dom/DOMException.h" | 9 #include "core/dom/DOMException.h" |
10 #include "core/dom/Document.h" | 10 #include "core/dom/Document.h" |
11 #include "core/dom/ExceptionCode.h" | 11 #include "core/dom/ExceptionCode.h" |
12 #include "core/frame/LocalFrame.h" | 12 #include "core/frame/LocalFrame.h" |
13 #include "core/workers/WorkletGlobalScopeProxy.h" | 13 #include "core/workers/WorkletGlobalScopeProxy.h" |
14 #include "platform/wtf/WTF.h" | 14 #include "platform/wtf/WTF.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 ThreadedWorklet::ThreadedWorklet(LocalFrame* frame) | 18 ThreadedWorklet::ThreadedWorklet(LocalFrame* frame) : Worklet(frame) {} |
19 : Worklet(frame), frame_(frame) {} | |
20 | 19 |
21 void ThreadedWorklet::FetchAndInvokeScript(const KURL& module_url_record, | 20 void ThreadedWorklet::FetchAndInvokeScript(const KURL& module_url_record, |
22 const WorkletOptions&, | 21 const WorkletOptions&, |
23 ScriptPromiseResolver* resolver) { | 22 ScriptPromiseResolver* resolver) { |
24 DCHECK(IsMainThread()); | 23 DCHECK(IsMainThread()); |
25 if (!GetExecutionContext()) | 24 if (!GetExecutionContext()) |
26 return; | 25 return; |
27 | 26 |
28 if (!IsInitialized()) | 27 if (!IsInitialized()) |
29 Initialize(); | 28 Initialize(); |
30 | 29 |
31 WorkletScriptLoader* script_loader = | 30 WorkletScriptLoader* script_loader = WorkletScriptLoader::Create( |
32 WorkletScriptLoader::Create(frame_->GetDocument()->Fetcher(), this); | 31 ToDocument(GetExecutionContext())->Fetcher(), this); |
33 loader_to_resolver_map_.Set(script_loader, resolver); | 32 loader_to_resolver_map_.Set(script_loader, resolver); |
34 script_loader->FetchScript(module_url_record); | 33 script_loader->FetchScript(module_url_record); |
35 } | 34 } |
36 | 35 |
37 void ThreadedWorklet::NotifyWorkletScriptLoadingFinished( | 36 void ThreadedWorklet::NotifyWorkletScriptLoadingFinished( |
38 WorkletScriptLoader* script_loader, | 37 WorkletScriptLoader* script_loader, |
39 const ScriptSourceCode& source_code) { | 38 const ScriptSourceCode& source_code) { |
40 DCHECK(IsMainThread()); | 39 DCHECK(IsMainThread()); |
41 ScriptPromiseResolver* resolver = loader_to_resolver_map_.at(script_loader); | 40 ScriptPromiseResolver* resolver = loader_to_resolver_map_.at(script_loader); |
42 loader_to_resolver_map_.erase(script_loader); | 41 loader_to_resolver_map_.erase(script_loader); |
43 | 42 |
44 if (!script_loader->WasScriptLoadSuccessful()) { | 43 if (!script_loader->WasScriptLoadSuccessful()) { |
45 resolver->Reject(DOMException::Create(kNetworkError)); | 44 resolver->Reject(DOMException::Create(kNetworkError)); |
46 return; | 45 return; |
47 } | 46 } |
48 | 47 |
49 GetWorkletGlobalScopeProxy()->EvaluateScript(source_code); | 48 GetWorkletGlobalScopeProxy()->EvaluateScript(source_code); |
50 resolver->Resolve(); | 49 resolver->Resolve(); |
51 } | 50 } |
52 | 51 |
53 void ThreadedWorklet::ContextDestroyed(ExecutionContext* execution_context) { | 52 void ThreadedWorklet::ContextDestroyed(ExecutionContext* execution_context) { |
54 DCHECK(IsMainThread()); | 53 DCHECK(IsMainThread()); |
55 for (const auto& script_loader : loader_to_resolver_map_.Keys()) | 54 for (const auto& script_loader : loader_to_resolver_map_.Keys()) |
56 script_loader->Cancel(); | 55 script_loader->Cancel(); |
57 loader_to_resolver_map_.clear(); | 56 loader_to_resolver_map_.clear(); |
58 if (IsInitialized()) | 57 if (IsInitialized()) |
59 GetWorkletGlobalScopeProxy()->TerminateWorkletGlobalScope(); | 58 GetWorkletGlobalScopeProxy()->TerminateWorkletGlobalScope(); |
60 frame_ = nullptr; | |
61 } | 59 } |
62 | 60 |
63 DEFINE_TRACE(ThreadedWorklet) { | 61 DEFINE_TRACE(ThreadedWorklet) { |
64 visitor->Trace(frame_); | |
65 visitor->Trace(loader_to_resolver_map_); | 62 visitor->Trace(loader_to_resolver_map_); |
66 Worklet::Trace(visitor); | 63 Worklet::Trace(visitor); |
67 } | 64 } |
68 | 65 |
69 } // namespace blink | 66 } // namespace blink |
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