Index: third_party/WebKit/Source/core/workers/WorkletGlobalScopeManager.h |
diff --git a/third_party/WebKit/Source/core/workers/WorkletGlobalScopeManager.h b/third_party/WebKit/Source/core/workers/WorkletGlobalScopeManager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..775cc054161cf81665d375ff55c8384018fa5f27 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/workers/WorkletGlobalScopeManager.h |
@@ -0,0 +1,58 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef WorkletGlobalScopeManager_h |
+#define WorkletGlobalScopeManager_h |
+ |
+#include <memory> |
+#include "core/CoreExport.h" |
+#include "core/workers/WorkletGlobalScopeProxy.h" |
+#include "platform/heap/GarbageCollected.h" |
+#include "public/platform/WebURLRequest.h" |
+ |
+namespace blink { |
+ |
+class WorkletPendingTasks; |
+ |
+// Manages proxies to worklet global scopes on the main thread. Owned by the |
+// Worklet class. |
+class CORE_EXPORT WorkletGlobalScopeManager |
+ : public GarbageCollectedFinalized<WorkletGlobalScopeManager> { |
+ WTF_MAKE_NONCOPYABLE(WorkletGlobalScopeManager); |
+ |
+ public: |
+ WorkletGlobalScopeManager() = default; |
+ virtual ~WorkletGlobalScopeManager() = default; |
+ |
+ // Adds a global scope to the managed set. |
+ void AddGlobalScope(std::unique_ptr<WorkletGlobalScopeProxy>); |
kinuko
2017/05/24 06:53:40
nit: it looks we can remove 'GlobalScope' part fro
nhiroki
2017/05/24 08:11:22
The latest patchset removed this and other functio
|
+ |
+ // Returns one of available global scopes. |
+ WorkletGlobalScopeProxy* FindAvailableGlobalScope() const; |
+ |
+ // Fetches and evaluates module scripts on all global scopes. |
+ void AddModuleToGlobalScopes(const KURL& module_url_record, |
+ WebURLRequest::FetchCredentialsMode, |
+ WorkletPendingTasks*); |
+ |
+ // Terminates all global scopes. |
+ void TerminateGlobalScopes(); |
+ |
+ size_t GetNumberOfGlobalScopes() const { return proxies_.size(); } |
kinuko
2017/05/24 06:53:39
It looks we can also simply let MainThreadWorklet
nhiroki
2017/05/24 08:11:22
Done.
|
+ |
+ DEFINE_INLINE_TRACE() {} |
+ |
+ private: |
+ // "A Worklet has a list of the worklet's WorkletGlobalScopes. Initially this |
+ // list is empty; it is populated when the user agent chooses to create its |
+ // WorkletGlobalScope." |
+ // https://drafts.css-houdini.org/worklets/#worklet-section |
+ // TODO(nhiroki): Make (Paint)WorkletGlobalScopeProxy GC-managed object to |
+ // avoid that GC graphs are disjointed (https://crbug.com/719775). |
+ WTF::HashSet<std::unique_ptr<WorkletGlobalScopeProxy>> proxies_; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // WorkletGlobalScopeManager_h |