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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 class _ChunkedInputStream implements ChunkedInputStream { | 5 class _ChunkedInputStream implements ChunkedInputStream { |
6 _ChunkedInputStream(InputStream this._input, [int chunkSize]) | 6 _ChunkedInputStream(InputStream this._input, [int chunkSize]) |
7 : _chunkSize = chunkSize, _bufferList = new _BufferList() { | 7 : _chunkSize = chunkSize, _bufferList = new _BufferList() { |
8 if (_chunkSize === null) { | 8 if (_chunkSize === null) { |
9 _chunkSize = 0; | 9 _chunkSize = 0; |
10 } | 10 } |
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107 if (_clientCloseHandler !== null) _clientCloseHandler(); | 107 if (_clientCloseHandler !== null) _clientCloseHandler(); |
108 _closed = true; | 108 _closed = true; |
109 } | 109 } |
110 } | 110 } |
111 | 111 |
112 // Schedule data callback if enough data in buffer. | 112 // Schedule data callback if enough data in buffer. |
113 if ((_bufferList.length >= _chunkSize || | 113 if ((_bufferList.length >= _chunkSize || |
114 (_bufferList.length > 0 && _inputClosed)) && | 114 (_bufferList.length > 0 && _inputClosed)) && |
115 _clientDataHandler !== null && | 115 _clientDataHandler !== null && |
116 _scheduledDataCallback == null) { | 116 _scheduledDataCallback == null) { |
117 _scheduledDataCallback = new Timer(issueDataCallback, 0); | 117 _scheduledDataCallback = new Timer(0, issueDataCallback); |
118 } | 118 } |
119 | 119 |
120 // Schedule close callback if no more data and input is closed. | 120 // Schedule close callback if no more data and input is closed. |
121 if (_bufferList.length == 0 && | 121 if (_bufferList.length == 0 && |
122 _inputClosed && | 122 _inputClosed && |
123 !_closed && | 123 !_closed && |
124 _scheduledCloseCallback == null) { | 124 _scheduledCloseCallback == null) { |
125 if (_scheduledDataCallback != null) { | 125 if (_scheduledDataCallback != null) { |
126 _scheduledDataCallback.cancel(); | 126 _scheduledDataCallback.cancel(); |
127 } | 127 } |
128 _scheduledCloseCallback = new Timer(issueCloseCallback, 0); | 128 _scheduledCloseCallback = new Timer(0, issueCloseCallback); |
129 } | 129 } |
130 } | 130 } |
131 | 131 |
132 InputStream _input; | 132 InputStream _input; |
133 _BufferList _bufferList; | 133 _BufferList _bufferList; |
134 int _chunkSize; | 134 int _chunkSize; |
135 bool _inputClosed = false; // Is the underlying input stream closed? | 135 bool _inputClosed = false; // Is the underlying input stream closed? |
136 bool _closed = false; // Has the close handler been called?. | 136 bool _closed = false; // Has the close handler been called?. |
137 Timer _scheduledDataCallback; | 137 Timer _scheduledDataCallback; |
138 Timer _scheduledCloseCallback; | 138 Timer _scheduledCloseCallback; |
139 Function _clientDataHandler; | 139 Function _clientDataHandler; |
140 Function _clientCloseHandler; | 140 Function _clientCloseHandler; |
141 } | 141 } |
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