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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/ScriptPromiseResolver.h" | 7 #include "bindings/core/v8/ScriptPromiseResolver.h" |
8 #include "bindings/core/v8/ScriptSourceCode.h" | 8 #include "bindings/core/v8/ScriptSourceCode.h" |
9 #include "bindings/core/v8/V8BindingForCore.h" | 9 #include "bindings/core/v8/V8BindingForCore.h" |
10 #include "core/frame/LocalFrame.h" | 10 #include "core/frame/LocalFrame.h" |
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60 // type." | 60 // type." |
61 // workletGlobalScopeType is encoded into the class name (e.g., PaintWorklet). | 61 // workletGlobalScopeType is encoded into the class name (e.g., PaintWorklet). |
62 | 62 |
63 // Step 10: "If the worklet's WorkletGlobalScopes is empty, run the following | 63 // Step 10: "If the worklet's WorkletGlobalScopes is empty, run the following |
64 // steps:" | 64 // steps:" |
65 // 10.1: "Create a WorkletGlobalScope given workletGlobalScopeType, | 65 // 10.1: "Create a WorkletGlobalScope given workletGlobalScopeType, |
66 // moduleResponsesMap, and outsideSettings." | 66 // moduleResponsesMap, and outsideSettings." |
67 // 10.2: "Add the WorkletGlobalScope to worklet's WorkletGlobalScopes." | 67 // 10.2: "Add the WorkletGlobalScope to worklet's WorkletGlobalScopes." |
68 // "Depending on the type of worklet the user agent may create additional | 68 // "Depending on the type of worklet the user agent may create additional |
69 // WorkletGlobalScopes at this time." | 69 // WorkletGlobalScopes at this time." |
70 // TODO(nhiroki): Create WorkletGlobalScopes at this point. | 70 while (NeedsToCreateGlobalScope()) |
| 71 global_scope_proxies_.insert(CreateGlobalScope()); |
| 72 DCHECK(!global_scope_proxies_.IsEmpty()); |
71 | 73 |
72 // Step 11: "Let pendingTaskStruct be a new pending tasks struct with counter | 74 // Step 11: "Let pendingTaskStruct be a new pending tasks struct with counter |
73 // initialized to the length of worklet's WorkletGlobalScopes." | 75 // initialized to the length of worklet's WorkletGlobalScopes." |
74 // TODO(nhiroki): Introduce the concept of "worklet's WorkletGlobalScopes" and | |
75 // use the length of it here. | |
76 constexpr int number_of_global_scopes = 1; | |
77 WorkletPendingTasks* pending_tasks = | 76 WorkletPendingTasks* pending_tasks = |
78 new WorkletPendingTasks(number_of_global_scopes, resolver); | 77 new WorkletPendingTasks(global_scope_proxies_.size(), resolver); |
79 | 78 |
80 // Step 12: "For each workletGlobalScope in the worklet's | 79 // Step 12: "For each workletGlobalScope in the worklet's |
81 // WorkletGlobalScopes, queue a task on the workletGlobalScope to fetch and | 80 // WorkletGlobalScopes, queue a task on the workletGlobalScope to fetch and |
82 // invoke a worklet script given workletGlobalScope, moduleURLRecord, | 81 // invoke a worklet script given workletGlobalScope, moduleURLRecord, |
83 // moduleResponsesMap, credentialOptions, outsideSettings, pendingTaskStruct, | 82 // moduleResponsesMap, credentialOptions, outsideSettings, pendingTaskStruct, |
84 // and promise." | 83 // and promise." |
85 // TODO(nhiroki): Queue a task instead of executing this here. | 84 // TODO(nhiroki): Queue a task instead of executing this here. |
86 GetWorkletGlobalScopeProxy()->FetchAndInvokeScript( | 85 for (const auto& proxy : global_scope_proxies_) { |
87 module_url_record, credentials_mode, pending_tasks); | 86 proxy->FetchAndInvokeScript(module_url_record, credentials_mode, |
| 87 pending_tasks); |
| 88 } |
88 } | 89 } |
89 | 90 |
90 void MainThreadWorklet::ContextDestroyed(ExecutionContext* execution_context) { | 91 void MainThreadWorklet::ContextDestroyed(ExecutionContext* execution_context) { |
91 DCHECK(IsMainThread()); | 92 DCHECK(IsMainThread()); |
92 GetWorkletGlobalScopeProxy()->TerminateWorkletGlobalScope(); | 93 for (const auto& proxy : global_scope_proxies_) |
| 94 proxy->TerminateWorkletGlobalScope(); |
93 } | 95 } |
94 | 96 |
95 DEFINE_TRACE(MainThreadWorklet) { | 97 DEFINE_TRACE(MainThreadWorklet) { |
96 Worklet::Trace(visitor); | 98 Worklet::Trace(visitor); |
97 } | 99 } |
98 | 100 |
99 } // namespace blink | 101 } // namespace blink |
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