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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/broadcastchannel/BroadcastChannel.h" | 5 #include "modules/broadcastchannel/BroadcastChannel.h" |
6 | 6 |
7 #include "bindings/core/v8/SerializedScriptValue.h" | 7 #include "bindings/core/v8/SerializedScriptValue.h" |
8 #include "core/dom/ExceptionCode.h" | 8 #include "core/dom/ExceptionCode.h" |
9 #include "core/events/EventQueue.h" | 9 #include "core/events/EventQueue.h" |
10 #include "core/events/MessageEvent.h" | 10 #include "core/events/MessageEvent.h" |
11 #include "platform/mojo/MojoHelper.h" | 11 #include "platform/mojo/MojoHelper.h" |
12 #include "public/platform/Platform.h" | 12 #include "public/platform/Platform.h" |
13 #include "public/platform/ServiceRegistry.h" | 13 #include "public/platform/ServiceRegistry.h" |
14 #include "wtf/Functional.h" | 14 #include "wtf/Functional.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 namespace { | 18 namespace { |
19 | 19 |
20 // To ensure proper ordering of messages send to/from multiple BroadcastChannel | 20 // To ensure proper ordering of messages send to/from multiple BroadcastChannel |
21 // instances in the same thread this uses one BroadcastChannelService | 21 // instances in the same thread this uses one BroadcastChannelService |
22 // connection as basis for all connections to channels from the same thread. The | 22 // connection as basis for all connections to channels from the same thread. The |
23 // actual connections used to send/receive messages are then created using | 23 // actual connections used to send/receive messages are then created using |
24 // associated interfaces, ensuring proper message ordering. | 24 // associated interfaces, ensuring proper message ordering. |
25 webmessaging::mojom::blink::BroadcastChannelProviderPtr& getThreadSpecificProvid
er() | 25 mojom::blink::BroadcastChannelProviderPtr& getThreadSpecificProvider() |
26 { | 26 { |
27 DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<webmessaging::mojom::blink::B
roadcastChannelProviderPtr>, provider, new ThreadSpecific<webmessaging::mojom::b
link::BroadcastChannelProviderPtr>); | 27 DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<mojom::blink::BroadcastChanne
lProviderPtr>, provider, new ThreadSpecific<mojom::blink::BroadcastChannelProvid
erPtr>); |
28 if (!provider.isSet()) { | 28 if (!provider.isSet()) { |
29 Platform::current()->serviceRegistry()->connectToRemoteService(mojo::Get
Proxy(&*provider)); | 29 Platform::current()->serviceRegistry()->connectToRemoteService(mojo::Get
Proxy(&*provider)); |
30 } | 30 } |
31 return *provider; | 31 return *provider; |
32 } | 32 } |
33 | 33 |
34 } // namespace | 34 } // namespace |
35 | 35 |
36 // static | 36 // static |
37 BroadcastChannel* BroadcastChannel::create(ExecutionContext* executionContext, c
onst String& name, ExceptionState& exceptionState) | 37 BroadcastChannel* BroadcastChannel::create(ExecutionContext* executionContext, c
onst String& name, ExceptionState& exceptionState) |
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111 close(); | 111 close(); |
112 } | 112 } |
113 | 113 |
114 BroadcastChannel::BroadcastChannel(ExecutionContext* executionContext, const Str
ing& name) | 114 BroadcastChannel::BroadcastChannel(ExecutionContext* executionContext, const Str
ing& name) |
115 : ActiveScriptWrappable(this) | 115 : ActiveScriptWrappable(this) |
116 , ContextLifecycleObserver(executionContext) | 116 , ContextLifecycleObserver(executionContext) |
117 , m_origin(executionContext->getSecurityOrigin()) | 117 , m_origin(executionContext->getSecurityOrigin()) |
118 , m_name(name) | 118 , m_name(name) |
119 , m_binding(this) | 119 , m_binding(this) |
120 { | 120 { |
121 webmessaging::mojom::blink::BroadcastChannelProviderPtr& provider = getThrea
dSpecificProvider(); | 121 mojom::blink::BroadcastChannelProviderPtr& provider = getThreadSpecificProvi
der(); |
122 | 122 |
123 // Local BroadcastChannelClient for messages send from the browser to this c
hannel. | 123 // Local BroadcastChannelClient for messages send from the browser to this c
hannel. |
124 webmessaging::mojom::blink::BroadcastChannelClientAssociatedPtrInfo localCli
entInfo; | 124 mojom::blink::BroadcastChannelClientAssociatedPtrInfo localClientInfo; |
125 m_binding.Bind(&localClientInfo, provider.associated_group()); | 125 m_binding.Bind(&localClientInfo, provider.associated_group()); |
126 m_binding.set_connection_error_handler(convertToBaseCallback(WTF::bind(&Broa
dcastChannel::onError, wrapWeakPersistent(this)))); | 126 m_binding.set_connection_error_handler(convertToBaseCallback(WTF::bind(&Broa
dcastChannel::onError, wrapWeakPersistent(this)))); |
127 | 127 |
128 // Remote BroadcastChannelClient for messages send from this channel to the
browser. | 128 // Remote BroadcastChannelClient for messages send from this channel to the
browser. |
129 webmessaging::mojom::blink::BroadcastChannelClientAssociatedPtrInfo remoteCl
ientInfo; | 129 mojom::blink::BroadcastChannelClientAssociatedPtrInfo remoteClientInfo; |
130 mojo::AssociatedInterfaceRequest<webmessaging::mojom::blink::BroadcastChanne
lClient> remoteCientRequest; | 130 mojo::AssociatedInterfaceRequest<mojom::blink::BroadcastChannelClient> remot
eCientRequest; |
131 provider.associated_group()->CreateAssociatedInterface(mojo::AssociatedGroup
::WILL_PASS_REQUEST, &remoteClientInfo, &remoteCientRequest); | 131 provider.associated_group()->CreateAssociatedInterface(mojo::AssociatedGroup
::WILL_PASS_REQUEST, &remoteClientInfo, &remoteCientRequest); |
132 m_remoteClient.Bind(std::move(remoteClientInfo)); | 132 m_remoteClient.Bind(std::move(remoteClientInfo)); |
133 m_remoteClient.set_connection_error_handler(convertToBaseCallback(WTF::bind(
&BroadcastChannel::onError, wrapWeakPersistent(this)))); | 133 m_remoteClient.set_connection_error_handler(convertToBaseCallback(WTF::bind(
&BroadcastChannel::onError, wrapWeakPersistent(this)))); |
134 | 134 |
135 provider->ConnectToChannel(m_origin, m_name, std::move(localClientInfo), std
::move(remoteCientRequest)); | 135 provider->ConnectToChannel(m_origin, m_name, std::move(localClientInfo), std
::move(remoteCientRequest)); |
136 } | 136 } |
137 | 137 |
138 } // namespace blink | 138 } // namespace blink |
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