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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 part of dart.io; | 5 part of dart.io; |
6 | 6 |
7 class _ChunkedInputStream implements ChunkedInputStream { | 7 class _ChunkedInputStream implements ChunkedInputStream { |
8 _ChunkedInputStream(InputStream this._input, int this._chunkSize) | 8 _ChunkedInputStream(InputStream this._input, int this._chunkSize) |
9 : _bufferList = new _BufferList() { | 9 : _bufferList = new _BufferList() { |
10 _input.onClosed = _onClosed; | 10 _input.onClosed = _onClosed; |
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85 _input.onData = _onData; | 85 _input.onData = _onData; |
86 } else { | 86 } else { |
87 _input.onData = null; | 87 _input.onData = null; |
88 } | 88 } |
89 } | 89 } |
90 } | 90 } |
91 | 91 |
92 void _checkScheduleCallback() { | 92 void _checkScheduleCallback() { |
93 // TODO(sgjesse): Find a better way of scheduling callbacks from | 93 // TODO(sgjesse): Find a better way of scheduling callbacks from |
94 // the event loop. | 94 // the event loop. |
95 void issueDataCallback(Timer timer) { | 95 void issueDataCallback() { |
96 _scheduledDataCallback = null; | 96 _scheduledDataCallback = null; |
97 if (_clientDataHandler != null) { | 97 if (_clientDataHandler != null) { |
98 _clientDataHandler(); | 98 _clientDataHandler(); |
99 _checkScheduleCallback(); | 99 _checkScheduleCallback(); |
100 } | 100 } |
101 } | 101 } |
102 | 102 |
103 void issueCloseCallback(Timer timer) { | 103 void issueCloseCallback() { |
104 _scheduledCloseCallback = null; | 104 _scheduledCloseCallback = null; |
105 if (!_closed) { | 105 if (!_closed) { |
106 if (_clientCloseHandler != null) _clientCloseHandler(); | 106 if (_clientCloseHandler != null) _clientCloseHandler(); |
107 _closed = true; | 107 _closed = true; |
108 } | 108 } |
109 } | 109 } |
110 | 110 |
111 // Schedule data callback if enough data in buffer. | 111 // Schedule data callback if enough data in buffer. |
112 if ((_bufferList.length >= _chunkSize || | 112 if ((_bufferList.length >= _chunkSize || |
113 (_bufferList.length > 0 && _inputClosed)) && | 113 (_bufferList.length > 0 && _inputClosed)) && |
114 _clientDataHandler != null && | 114 _clientDataHandler != null && |
115 _scheduledDataCallback == null) { | 115 _scheduledDataCallback == null) { |
116 _scheduledDataCallback = new Timer(0, issueDataCallback); | 116 _scheduledDataCallback = Timer.run(issueDataCallback); |
117 } | 117 } |
118 | 118 |
119 // Schedule close callback if no more data and input is closed. | 119 // Schedule close callback if no more data and input is closed. |
120 if (_bufferList.length == 0 && | 120 if (_bufferList.length == 0 && |
121 _inputClosed && | 121 _inputClosed && |
122 !_closed && | 122 !_closed && |
123 _scheduledCloseCallback == null) { | 123 _scheduledCloseCallback == null) { |
124 if (_scheduledDataCallback != null) { | 124 if (_scheduledDataCallback != null) { |
125 _scheduledDataCallback.cancel(); | 125 _scheduledDataCallback.cancel(); |
126 } | 126 } |
127 _scheduledCloseCallback = new Timer(0, issueCloseCallback); | 127 _scheduledCloseCallback = Timer.run(issueCloseCallback); |
128 } | 128 } |
129 } | 129 } |
130 | 130 |
131 InputStream _input; | 131 InputStream _input; |
132 _BufferList _bufferList; | 132 _BufferList _bufferList; |
133 int _chunkSize; | 133 int _chunkSize; |
134 bool _inputClosed = false; // Is the underlying input stream closed? | 134 bool _inputClosed = false; // Is the underlying input stream closed? |
135 bool _closed = false; // Has the close handler been called?. | 135 bool _closed = false; // Has the close handler been called?. |
136 Timer _scheduledDataCallback; | 136 Timer _scheduledDataCallback; |
137 Timer _scheduledCloseCallback; | 137 Timer _scheduledCloseCallback; |
138 Function _clientDataHandler; | 138 Function _clientDataHandler; |
139 Function _clientCloseHandler; | 139 Function _clientCloseHandler; |
140 } | 140 } |
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