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Side by Side Diff: third_party/WebKit/Source/core/workers/Worklet.cpp

Issue 2868413005: Worklet: Introduce WorkletOptions for addModule() (Closed)
Patch Set: add TODO comments Created 3 years, 7 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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/Worklet.h" 5 #include "core/workers/Worklet.h"
6 6
7 #include "bindings/core/v8/ScriptPromiseResolver.h" 7 #include "bindings/core/v8/ScriptPromiseResolver.h"
8 #include "core/dom/DOMException.h" 8 #include "core/dom/DOMException.h"
9 #include "core/dom/Document.h" 9 #include "core/dom/Document.h"
10 #include "core/dom/TaskRunnerHelper.h" 10 #include "core/dom/TaskRunnerHelper.h"
11 #include "core/frame/LocalFrame.h" 11 #include "core/frame/LocalFrame.h"
12 #include "core/workers/WorkletGlobalScopeProxy.h" 12 #include "core/workers/WorkletGlobalScopeProxy.h"
13 13
14 namespace blink { 14 namespace blink {
15 15
16 Worklet::Worklet(LocalFrame* frame) 16 Worklet::Worklet(LocalFrame* frame)
17 : ContextLifecycleObserver(frame->GetDocument()) { 17 : ContextLifecycleObserver(frame->GetDocument()) {
18 DCHECK(IsMainThread()); 18 DCHECK(IsMainThread());
19 } 19 }
20 20
21 // Implementation of the first half of the "addModule(moduleURL, options)" 21 // Implementation of the first half of the "addModule(moduleURL, options)"
22 // algorithm: 22 // algorithm:
23 // https://drafts.css-houdini.org/worklets/#dom-worklet-addmodule 23 // https://drafts.css-houdini.org/worklets/#dom-worklet-addmodule
24 ScriptPromise Worklet::addModule(ScriptState* script_state, 24 ScriptPromise Worklet::addModule(ScriptState* script_state,
25 const String& module_url) { 25 const String& module_url,
26 const WorkletOptions& options) {
26 DCHECK(IsMainThread()); 27 DCHECK(IsMainThread());
27 if (!GetExecutionContext()) { 28 if (!GetExecutionContext()) {
28 return ScriptPromise::RejectWithDOMException( 29 return ScriptPromise::RejectWithDOMException(
29 script_state, DOMException::Create(kInvalidStateError, 30 script_state, DOMException::Create(kInvalidStateError,
30 "This frame is already detached")); 31 "This frame is already detached"));
31 } 32 }
32 33
33 // Step 1: "Let promise be a new promise." 34 // Step 1: "Let promise be a new promise."
34 ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state); 35 ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
35 ScriptPromise promise = resolver->Promise(); 36 ScriptPromise promise = resolver->Promise();
(...skipping 11 matching lines...) Expand all
47 resolver->Reject(DOMException::Create( 48 resolver->Reject(DOMException::Create(
48 kSyntaxError, "'" + module_url + "' is not a valid URL.")); 49 kSyntaxError, "'" + module_url + "' is not a valid URL."));
49 return promise; 50 return promise;
50 } 51 }
51 52
52 // Step 5: "Return promise, and then continue running this algorithm in 53 // Step 5: "Return promise, and then continue running this algorithm in
53 // parallel." 54 // parallel."
54 // |kUnspecedLoading| is used here because this is a part of script module 55 // |kUnspecedLoading| is used here because this is a part of script module
55 // loading. 56 // loading.
56 TaskRunnerHelper::Get(TaskType::kUnspecedLoading, script_state) 57 TaskRunnerHelper::Get(TaskType::kUnspecedLoading, script_state)
57 ->PostTask(BLINK_FROM_HERE, 58 ->PostTask(
58 WTF::Bind(&Worklet::FetchAndInvokeScript, WrapPersistent(this), 59 BLINK_FROM_HERE,
59 module_url_record, WrapPersistent(resolver))); 60 WTF::Bind(&Worklet::FetchAndInvokeScript, WrapPersistent(this),
61 module_url_record, options, WrapPersistent(resolver)));
60 return promise; 62 return promise;
61 } 63 }
62 64
63 DEFINE_TRACE(Worklet) { 65 DEFINE_TRACE(Worklet) {
64 ContextLifecycleObserver::Trace(visitor); 66 ContextLifecycleObserver::Trace(visitor);
65 } 67 }
66 68
67 } // namespace blink 69 } // namespace blink
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