OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
(...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
58 class CORE_EXPORT MessagePort | 58 class CORE_EXPORT MessagePort |
59 : public EventTargetWithInlineData | 59 : public EventTargetWithInlineData |
60 , public RefCountedWillBeNoBase<MessagePort> | 60 , public RefCountedWillBeNoBase<MessagePort> |
61 , public ActiveDOMObject | 61 , public ActiveDOMObject |
62 , public WebMessagePortChannelClient { | 62 , public WebMessagePortChannelClient { |
63 DEFINE_WRAPPERTYPEINFO(); | 63 DEFINE_WRAPPERTYPEINFO(); |
64 REFCOUNTED_EVENT_TARGET(MessagePort); | 64 REFCOUNTED_EVENT_TARGET(MessagePort); |
65 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MessagePort); | 65 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MessagePort); |
66 public: | 66 public: |
67 static PassRefPtrWillBeRawPtr<MessagePort> create(ExecutionContext&); | 67 static PassRefPtrWillBeRawPtr<MessagePort> create(ExecutionContext&); |
68 virtual ~MessagePort(); | 68 ~MessagePort() override; |
69 | 69 |
70 void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> messag
e, const MessagePortArray*, ExceptionState&); | 70 void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> messag
e, const MessagePortArray*, ExceptionState&); |
71 | 71 |
72 void start(); | 72 void start(); |
73 void close(); | 73 void close(); |
74 | 74 |
75 void entangle(PassOwnPtr<WebMessagePortChannel>); | 75 void entangle(PassOwnPtr<WebMessagePortChannel>); |
76 PassOwnPtr<WebMessagePortChannel> disentangle(); | 76 PassOwnPtr<WebMessagePortChannel> disentangle(); |
77 | 77 |
78 static PassOwnPtr<WebMessagePortChannelArray> toWebMessagePortChannelArray(P
assOwnPtr<MessagePortChannelArray>); | 78 static PassOwnPtr<WebMessagePortChannelArray> toWebMessagePortChannelArray(P
assOwnPtr<MessagePortChannelArray>); |
79 static PassOwnPtrWillBeRawPtr<MessagePortArray> toMessagePortArray(Execution
Context*, const WebMessagePortChannelArray&); | 79 static PassOwnPtrWillBeRawPtr<MessagePortArray> toMessagePortArray(Execution
Context*, const WebMessagePortChannelArray&); |
80 | 80 |
81 // Returns 0 if there is an exception, or if the passed-in array is 0/empty. | 81 // Returns 0 if there is an exception, or if the passed-in array is 0/empty. |
82 static PassOwnPtr<MessagePortChannelArray> disentanglePorts(ExecutionContext
*, const MessagePortArray*, ExceptionState&); | 82 static PassOwnPtr<MessagePortChannelArray> disentanglePorts(ExecutionContext
*, const MessagePortArray*, ExceptionState&); |
83 | 83 |
84 // Returns 0 if the passed array is 0/empty. | 84 // Returns 0 if the passed array is 0/empty. |
85 static PassOwnPtrWillBeRawPtr<MessagePortArray> entanglePorts(ExecutionConte
xt&, PassOwnPtr<MessagePortChannelArray>); | 85 static PassOwnPtrWillBeRawPtr<MessagePortArray> entanglePorts(ExecutionConte
xt&, PassOwnPtr<MessagePortChannelArray>); |
86 | 86 |
87 bool started() const { return m_started; } | 87 bool started() const { return m_started; } |
88 | 88 |
89 virtual const AtomicString& interfaceName() const override; | 89 const AtomicString& interfaceName() const override; |
90 virtual ExecutionContext* executionContext() const override { return ActiveD
OMObject::executionContext(); } | 90 ExecutionContext* executionContext() const override { return ActiveDOMObject
::executionContext(); } |
91 virtual MessagePort* toMessagePort() override { return this; } | 91 MessagePort* toMessagePort() override { return this; } |
92 | 92 |
93 // ActiveDOMObject implementation. | 93 // ActiveDOMObject implementation. |
94 virtual bool hasPendingActivity() const override; | 94 bool hasPendingActivity() const override; |
95 virtual void stop() override { close(); } | 95 void stop() override { close(); } |
96 | 96 |
97 void setOnmessage(PassRefPtr<EventListener> listener) | 97 void setOnmessage(PassRefPtr<EventListener> listener) |
98 { | 98 { |
99 setAttributeEventListener(EventTypeNames::message, listener); | 99 setAttributeEventListener(EventTypeNames::message, listener); |
100 start(); | 100 start(); |
101 } | 101 } |
102 EventListener* onmessage() { return getAttributeEventListener(EventTypeNames
::message); } | 102 EventListener* onmessage() { return getAttributeEventListener(EventTypeNames
::message); } |
103 | 103 |
104 // A port starts out its life entangled, and remains entangled until it is c
losed or is cloned. | 104 // A port starts out its life entangled, and remains entangled until it is c
losed or is cloned. |
105 bool isEntangled() const { return !m_closed && !isNeutered(); } | 105 bool isEntangled() const { return !m_closed && !isNeutered(); } |
106 | 106 |
107 // A port gets neutered when it is transferred to a new owner via postMessag
e(). | 107 // A port gets neutered when it is transferred to a new owner via postMessag
e(). |
108 bool isNeutered() const { return !m_entangledChannel; } | 108 bool isNeutered() const { return !m_entangledChannel; } |
109 | 109 |
110 DECLARE_VIRTUAL_TRACE(); | 110 DECLARE_VIRTUAL_TRACE(); |
111 | 111 |
112 protected: | 112 protected: |
113 explicit MessagePort(ExecutionContext&); | 113 explicit MessagePort(ExecutionContext&); |
114 bool tryGetMessage(RefPtr<SerializedScriptValue>& message, OwnPtr<MessagePor
tChannelArray>& channels); | 114 bool tryGetMessage(RefPtr<SerializedScriptValue>& message, OwnPtr<MessagePor
tChannelArray>& channels); |
115 | 115 |
116 private: | 116 private: |
117 // WebMessagePortChannelClient implementation. | 117 // WebMessagePortChannelClient implementation. |
118 virtual void messageAvailable() override; | 118 void messageAvailable() override; |
119 virtual v8::Isolate* scriptIsolate() override; | 119 v8::Isolate* scriptIsolate() override; |
120 virtual v8::Local<v8::Context> scriptContextForMessageConversion() override; | 120 v8::Local<v8::Context> scriptContextForMessageConversion() override; |
121 void dispatchMessages(); | 121 void dispatchMessages(); |
122 | 122 |
123 OwnPtr<WebMessagePortChannel> m_entangledChannel; | 123 OwnPtr<WebMessagePortChannel> m_entangledChannel; |
124 | 124 |
125 bool m_started; | 125 bool m_started; |
126 bool m_closed; | 126 bool m_closed; |
127 | 127 |
128 WeakPtrFactory<MessagePort> m_weakFactory; | 128 WeakPtrFactory<MessagePort> m_weakFactory; |
129 | 129 |
130 RefPtr<ScriptState> m_scriptStateForConversion; | 130 RefPtr<ScriptState> m_scriptStateForConversion; |
131 }; | 131 }; |
132 | 132 |
133 } // namespace blink | 133 } // namespace blink |
134 | 134 |
135 #endif // MessagePort_h | 135 #endif // MessagePort_h |
OLD | NEW |