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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 "modules/compositorworker/AnimationWorklet.h" | 5 #include "modules/compositorworker/AnimationWorklet.h" |
6 | 6 |
7 #include "bindings/core/v8/V8BindingForCore.h" | 7 #include "bindings/core/v8/V8BindingForCore.h" |
8 #include "core/dom/AnimationWorkletProxyClient.h" | 8 #include "core/dom/AnimationWorkletProxyClient.h" |
9 #include "core/dom/Document.h" | 9 #include "core/dom/Document.h" |
10 #include "core/frame/LocalFrame.h" | 10 #include "core/frame/LocalFrame.h" |
11 #include "core/page/ChromeClient.h" | 11 #include "core/page/ChromeClient.h" |
12 #include "modules/compositorworker/AnimationWorkletMessagingProxy.h" | 12 #include "modules/compositorworker/AnimationWorkletMessagingProxy.h" |
13 #include "modules/compositorworker/AnimationWorkletThread.h" | 13 #include "modules/compositorworker/AnimationWorkletThread.h" |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 // static | 17 // static |
18 AnimationWorklet* AnimationWorklet::Create(LocalFrame* frame) { | 18 AnimationWorklet* AnimationWorklet::Create(LocalFrame* frame) { |
19 return new AnimationWorklet(frame); | 19 return new AnimationWorklet(frame); |
20 } | 20 } |
21 | 21 |
22 AnimationWorklet::AnimationWorklet(LocalFrame* frame) | 22 AnimationWorklet::AnimationWorklet(LocalFrame* frame) : Worklet(frame) {} |
23 : ThreadedWorklet(frame), worklet_messaging_proxy_(nullptr) {} | |
24 | 23 |
25 AnimationWorklet::~AnimationWorklet() { | 24 AnimationWorklet::~AnimationWorklet() { |
26 if (worklet_messaging_proxy_) | 25 // The proxy outlives the worklet as it is used to perform thread shutdown, |
27 worklet_messaging_proxy_->ParentObjectDestroyed(); | 26 // it deletes itself once this has occurred. |
| 27 // TODO(nhiroki): |
28 } | 28 } |
29 | 29 |
30 void AnimationWorklet::Initialize() { | 30 bool AnimationWorklet::NeedsToCreateGlobalScope() { |
| 31 // In the current impl, we create only one global scope. |
| 32 return !GetNumberOfGlobalScopes(); |
| 33 } |
| 34 |
| 35 std::unique_ptr<WorkletGlobalScopeProxy> AnimationWorklet::CreateGlobalScope() { |
31 AnimationWorkletThread::EnsureSharedBackingThread(); | 36 AnimationWorkletThread::EnsureSharedBackingThread(); |
32 | |
33 DCHECK(!worklet_messaging_proxy_); | |
34 DCHECK(GetExecutionContext()); | |
35 Document* document = ToDocument(GetExecutionContext()); | 37 Document* document = ToDocument(GetExecutionContext()); |
36 AnimationWorkletProxyClient* proxy_client = | 38 AnimationWorkletProxyClient* proxy_client = |
37 document->GetFrame()->GetChromeClient().CreateAnimationWorkletProxyClient( | 39 document->GetFrame()->GetChromeClient().CreateAnimationWorkletProxyClient( |
38 document->GetFrame()); | 40 document->GetFrame()); |
39 | 41 return WTF::MakeUnique<AnimationWorkletMessagingProxy>(GetExecutionContext(), |
40 worklet_messaging_proxy_ = | 42 proxy_client); |
41 new AnimationWorkletMessagingProxy(GetExecutionContext(), proxy_client); | |
42 worklet_messaging_proxy_->Initialize(); | |
43 } | |
44 | |
45 bool AnimationWorklet::IsInitialized() const { | |
46 return worklet_messaging_proxy_; | |
47 } | |
48 | |
49 WorkletGlobalScopeProxy* AnimationWorklet::GetWorkletGlobalScopeProxy() const { | |
50 DCHECK(worklet_messaging_proxy_); | |
51 return worklet_messaging_proxy_; | |
52 } | 43 } |
53 | 44 |
54 DEFINE_TRACE(AnimationWorklet) { | 45 DEFINE_TRACE(AnimationWorklet) { |
55 ThreadedWorklet::Trace(visitor); | 46 Worklet::Trace(visitor); |
56 } | 47 } |
57 | 48 |
58 } // namespace blink | 49 } // namespace blink |
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