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1 /* | 1 /* |
2 * Copyright (C) 2012, Google Inc. All rights reserved. | 2 * Copyright (C) 2012, Google 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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 */ | 23 */ |
24 | 24 |
25 #include "modules/webaudio/AudioScheduledSourceNode.h" | 25 #include "modules/webaudio/AudioScheduledSourceNode.h" |
26 #include "bindings/core/v8/ExceptionState.h" | 26 #include "bindings/core/v8/ExceptionState.h" |
27 #include "core/dom/CrossThreadTask.h" | 27 #include "core/dom/CrossThreadTask.h" |
28 #include "core/dom/ExceptionCode.h" | 28 #include "core/dom/ExceptionCode.h" |
29 #include "modules/EventModules.h" | 29 #include "modules/EventModules.h" |
30 #include "modules/webaudio/AbstractAudioContext.h" | 30 #include "modules/webaudio/BaseAudioContext.h" |
31 #include "platform/audio/AudioUtilities.h" | 31 #include "platform/audio/AudioUtilities.h" |
32 #include "wtf/MathExtras.h" | 32 #include "wtf/MathExtras.h" |
33 #include <algorithm> | 33 #include <algorithm> |
34 | 34 |
35 namespace blink { | 35 namespace blink { |
36 | 36 |
37 const double AudioScheduledSourceHandler::UnknownTime = -1; | 37 const double AudioScheduledSourceHandler::UnknownTime = -1; |
38 | 38 |
39 AudioScheduledSourceHandler::AudioScheduledSourceHandler(NodeType nodeType, Audi
oNode& node, float sampleRate) | 39 AudioScheduledSourceHandler::AudioScheduledSourceHandler(NodeType nodeType, Audi
oNode& node, float sampleRate) |
40 : AudioHandler(nodeType, node, sampleRate) | 40 : AudioHandler(nodeType, node, sampleRate) |
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216 | 216 |
217 void AudioScheduledSourceHandler::notifyEnded() | 217 void AudioScheduledSourceHandler::notifyEnded() |
218 { | 218 { |
219 ASSERT(isMainThread()); | 219 ASSERT(isMainThread()); |
220 if (node()) | 220 if (node()) |
221 node()->dispatchEvent(Event::create(EventTypeNames::ended)); | 221 node()->dispatchEvent(Event::create(EventTypeNames::ended)); |
222 } | 222 } |
223 | 223 |
224 // ---------------------------------------------------------------- | 224 // ---------------------------------------------------------------- |
225 | 225 |
226 AudioScheduledSourceNode::AudioScheduledSourceNode(AbstractAudioContext& context
) | 226 AudioScheduledSourceNode::AudioScheduledSourceNode(BaseAudioContext& context) |
227 : AudioSourceNode(context) | 227 : AudioSourceNode(context) |
228 , ActiveScriptWrappable(this) | 228 , ActiveScriptWrappable(this) |
229 { | 229 { |
230 } | 230 } |
231 | 231 |
232 AudioScheduledSourceHandler& AudioScheduledSourceNode::audioScheduledSourceHandl
er() const | 232 AudioScheduledSourceHandler& AudioScheduledSourceNode::audioScheduledSourceHandl
er() const |
233 { | 233 { |
234 return static_cast<AudioScheduledSourceHandler&>(handler()); | 234 return static_cast<AudioScheduledSourceHandler&>(handler()); |
235 } | 235 } |
236 | 236 |
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271 if (context()->isContextClosed()) | 271 if (context()->isContextClosed()) |
272 return false; | 272 return false; |
273 | 273 |
274 // If a node is scheduled or playing, do not collect the node prematurely | 274 // If a node is scheduled or playing, do not collect the node prematurely |
275 // even its reference is out of scope. Then fire onended event if assigned. | 275 // even its reference is out of scope. Then fire onended event if assigned. |
276 return audioScheduledSourceHandler().isPlayingOrScheduled(); | 276 return audioScheduledSourceHandler().isPlayingOrScheduled(); |
277 } | 277 } |
278 | 278 |
279 } // namespace blink | 279 } // namespace blink |
280 | 280 |
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