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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 |
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68 const MessagePortArray&, | 68 const MessagePortArray&, |
69 ExceptionState&); | 69 ExceptionState&); |
70 static bool canTransferArrayBuffersAndImageBitmaps() { return false; } | 70 static bool canTransferArrayBuffersAndImageBitmaps() { return false; } |
71 | 71 |
72 void start(); | 72 void start(); |
73 void close(); | 73 void close(); |
74 | 74 |
75 void entangle(WebMessagePortChannelUniquePtr); | 75 void entangle(WebMessagePortChannelUniquePtr); |
76 WebMessagePortChannelUniquePtr disentangle(); | 76 WebMessagePortChannelUniquePtr disentangle(); |
77 | 77 |
78 // Returns nullptr if the passed-in array is nullptr/empty. | 78 static WebMessagePortChannelArray toWebMessagePortChannelArray( |
79 static std::unique_ptr<WebMessagePortChannelArray> | 79 MessagePortChannelArray); |
80 toWebMessagePortChannelArray(std::unique_ptr<MessagePortChannelArray>); | |
81 | 80 |
82 // Returns an empty array if the passed array is empty. | 81 // Returns an empty array if the passed array is empty. |
83 static MessagePortArray* toMessagePortArray( | 82 static MessagePortArray* toMessagePortArray(ExecutionContext*, |
84 ExecutionContext*, | 83 WebMessagePortChannelArray); |
85 const WebMessagePortChannelArray&); | |
86 | 84 |
87 // Returns nullptr if there is an exception, or if the passed-in array is | 85 // Returns an empty array if there is an exception, or if the passed array is |
88 // nullptr/empty. | 86 // nullptr/empty. |
89 static std::unique_ptr<MessagePortChannelArray> | 87 static MessagePortChannelArray disentanglePorts(ExecutionContext*, |
90 disentanglePorts(ExecutionContext*, const MessagePortArray&, ExceptionState&); | 88 const MessagePortArray&, |
| 89 ExceptionState&); |
91 | 90 |
92 // Returns an empty array if the passed array is nullptr/empty. | 91 // Returns an empty array if the passed array is empty. |
93 static MessagePortArray* entanglePorts( | 92 static MessagePortArray* entanglePorts(ExecutionContext&, |
94 ExecutionContext&, | 93 MessagePortChannelArray); |
95 std::unique_ptr<MessagePortChannelArray>); | |
96 | 94 |
97 bool started() const { return m_started; } | 95 bool started() const { return m_started; } |
98 | 96 |
99 const AtomicString& interfaceName() const override; | 97 const AtomicString& interfaceName() const override; |
100 ExecutionContext* getExecutionContext() const override { | 98 ExecutionContext* getExecutionContext() const override { |
101 return ContextLifecycleObserver::getExecutionContext(); | 99 return ContextLifecycleObserver::getExecutionContext(); |
102 } | 100 } |
103 MessagePort* toMessagePort() override { return this; } | 101 MessagePort* toMessagePort() override { return this; } |
104 | 102 |
105 // ScriptWrappable implementation. | 103 // ScriptWrappable implementation. |
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127 // For testing only: allows inspection of the entangled channel. | 125 // For testing only: allows inspection of the entangled channel. |
128 WebMessagePortChannel* entangledChannelForTesting() const { | 126 WebMessagePortChannel* entangledChannelForTesting() const { |
129 return m_entangledChannel.get(); | 127 return m_entangledChannel.get(); |
130 } | 128 } |
131 | 129 |
132 DECLARE_VIRTUAL_TRACE(); | 130 DECLARE_VIRTUAL_TRACE(); |
133 | 131 |
134 protected: | 132 protected: |
135 explicit MessagePort(ExecutionContext&); | 133 explicit MessagePort(ExecutionContext&); |
136 bool tryGetMessage(RefPtr<SerializedScriptValue>& message, | 134 bool tryGetMessage(RefPtr<SerializedScriptValue>& message, |
137 std::unique_ptr<MessagePortChannelArray>& channels); | 135 MessagePortChannelArray& channels); |
138 | 136 |
139 private: | 137 private: |
140 // WebMessagePortChannelClient implementation. | 138 // WebMessagePortChannelClient implementation. |
141 void messageAvailable() override; | 139 void messageAvailable() override; |
142 void dispatchMessages(); | 140 void dispatchMessages(); |
143 | 141 |
144 WebMessagePortChannelUniquePtr m_entangledChannel; | 142 WebMessagePortChannelUniquePtr m_entangledChannel; |
145 | 143 |
146 bool m_started; | 144 bool m_started; |
147 bool m_closed; | 145 bool m_closed; |
148 }; | 146 }; |
149 | 147 |
150 } // namespace blink | 148 } // namespace blink |
151 | 149 |
152 #endif // MessagePort_h | 150 #endif // MessagePort_h |
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