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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/MainThreadWorklet.h" | 5 #include "core/workers/MainThreadWorklet.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" |
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67 // type." | 67 // type." |
68 // workletGlobalScopeType is encoded into the class name (e.g., PaintWorklet). | 68 // workletGlobalScopeType is encoded into the class name (e.g., PaintWorklet). |
69 | 69 |
70 // Step 10: "If the worklet's WorkletGlobalScopes is empty, run the following | 70 // Step 10: "If the worklet's WorkletGlobalScopes is empty, run the following |
71 // steps:" | 71 // steps:" |
72 // 10.1: "Create a WorkletGlobalScope given workletGlobalScopeType, | 72 // 10.1: "Create a WorkletGlobalScope given workletGlobalScopeType, |
73 // moduleResponsesMap, and outsideSettings." | 73 // moduleResponsesMap, and outsideSettings." |
74 // 10.2: "Add the WorkletGlobalScope to worklet's WorkletGlobalScopes." | 74 // 10.2: "Add the WorkletGlobalScope to worklet's WorkletGlobalScopes." |
75 // "Depending on the type of worklet the user agent may create additional | 75 // "Depending on the type of worklet the user agent may create additional |
76 // WorkletGlobalScopes at this time." | 76 // WorkletGlobalScopes at this time." |
77 // TODO(nhiroki): Create WorkletGlobalScopes at this point. | 77 MayAddWorkletGlobalScopes(); |
| 78 DCHECK(!global_scope_proxies_.IsEmpty()); |
78 | 79 |
79 // Step 11: "Let pendingTaskStruct be a new pending tasks struct with counter | 80 // Step 11: "Let pendingTaskStruct be a new pending tasks struct with counter |
80 // initialized to the length of worklet's WorkletGlobalScopes." | 81 // initialized to the length of worklet's WorkletGlobalScopes." |
81 // TODO(nhiroki): Introduce the concept of "worklet's WorkletGlobalScopes" and | |
82 // use the length of it here. | |
83 constexpr int number_of_global_scopes = 1; | |
84 WorkletPendingTasks* pending_tasks = | 82 WorkletPendingTasks* pending_tasks = |
85 new WorkletPendingTasks(number_of_global_scopes, resolver); | 83 new WorkletPendingTasks(global_scope_proxies_.size(), resolver); |
86 | 84 |
87 // Step 12: "For each workletGlobalScope in the worklet's | 85 // Step 12: "For each workletGlobalScope in the worklet's |
88 // WorkletGlobalScopes, queue a task on the workletGlobalScope to fetch and | 86 // WorkletGlobalScopes, queue a task on the workletGlobalScope to fetch and |
89 // invoke a worklet script given workletGlobalScope, moduleURLRecord, | 87 // invoke a worklet script given workletGlobalScope, moduleURLRecord, |
90 // moduleResponsesMap, credentialOptions, outsideSettings, pendingTaskStruct, | 88 // moduleResponsesMap, credentialOptions, outsideSettings, pendingTaskStruct, |
91 // and promise." | 89 // and promise." |
92 // TODO(nhiroki): Pass the remaining parameters (e.g., credentialOptions). | 90 // TODO(nhiroki): Pass the remaining parameters (e.g., credentialOptions). |
93 // TODO(nhiroki): Queue a task instead of executing this here. | 91 // TODO(nhiroki): Queue a task instead of executing this here. |
94 GetWorkletGlobalScopeProxy()->FetchAndInvokeScript(module_url_record, | 92 for (const auto& proxy : global_scope_proxies_) |
95 pending_tasks); | 93 proxy->FetchAndInvokeScript(module_url_record, pending_tasks); |
| 94 |
96 return promise; | 95 return promise; |
97 } | 96 } |
98 | 97 |
99 void MainThreadWorklet::ContextDestroyed(ExecutionContext* execution_context) { | 98 void MainThreadWorklet::ContextDestroyed(ExecutionContext* execution_context) { |
100 DCHECK(IsMainThread()); | 99 DCHECK(IsMainThread()); |
101 GetWorkletGlobalScopeProxy()->TerminateWorkletGlobalScope(); | 100 for (const auto& proxy : global_scope_proxies_) |
| 101 proxy->TerminateWorkletGlobalScope(); |
102 Worklet::ContextDestroyed(execution_context); | 102 Worklet::ContextDestroyed(execution_context); |
103 } | 103 } |
104 | 104 |
105 DEFINE_TRACE(MainThreadWorklet) { | 105 DEFINE_TRACE(MainThreadWorklet) { |
106 Worklet::Trace(visitor); | 106 Worklet::Trace(visitor); |
107 } | 107 } |
108 | 108 |
109 } // namespace blink | 109 } // namespace blink |
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