1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// Copyright 2015 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.
#include "modules/compositorworker/CompositorWorker.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/CompositorProxyClient.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/frame/LocalFrame.h"
#include "core/page/ChromeClient.h"
#include "core/workers/WorkerClients.h"
#include "modules/EventTargetModules.h"
#include "modules/compositorworker/CompositorWorkerMessagingProxy.h"
#include "modules/compositorworker/CompositorWorkerThread.h"
namespace blink {
inline CompositorWorker::CompositorWorker(ExecutionContext* context)
: InProcessWorkerBase(context) {}
CompositorWorker* CompositorWorker::create(ExecutionContext* context,
const String& url,
ExceptionState& exceptionState) {
ASSERT(isMainThread());
Document* document = toDocument(context);
if (!document->page()) {
exceptionState.throwDOMException(InvalidAccessError,
"The context provided is invalid.");
return nullptr;
}
CompositorWorker* worker = new CompositorWorker(context);
// Ensure the compositor worker backing thread is ready before we try to
// initialize the CompositorWorker so that we can construct oilpan
// objects on the compositor thread referenced from the worker clients.
CompositorWorkerThread::ensureSharedBackingThread();
if (worker->initialize(context, url, exceptionState))
return worker;
return nullptr;
}
CompositorWorker::~CompositorWorker() {
ASSERT(isMainThread());
}
const AtomicString& CompositorWorker::interfaceName() const {
return EventTargetNames::CompositorWorker;
}
InProcessWorkerMessagingProxy*
CompositorWorker::createInProcessWorkerMessagingProxy(
ExecutionContext* context) {
Document* document = toDocument(context);
WorkerClients* workerClients = WorkerClients::create();
provideCompositorProxyClientTo(
workerClients,
document->frame()->chromeClient().createCompositorProxyClient(
document->frame()));
return new CompositorWorkerMessagingProxy(this, workerClients);
}
} // namespace blink
|
