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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 | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
23 * DAMAGE. | 23 * DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "modules/webaudio/AudioScheduledSourceNode.h" | 26 #include "modules/webaudio/AudioScheduledSourceNode.h" |
| 27 |
| 28 #include <algorithm> |
27 #include "bindings/core/v8/ExceptionState.h" | 29 #include "bindings/core/v8/ExceptionState.h" |
28 #include "core/dom/ExceptionCode.h" | 30 #include "core/dom/ExceptionCode.h" |
29 #include "core/dom/ExecutionContextTask.h" | |
30 #include "core/dom/TaskRunnerHelper.h" | 31 #include "core/dom/TaskRunnerHelper.h" |
31 #include "modules/EventModules.h" | 32 #include "modules/EventModules.h" |
32 #include "modules/webaudio/BaseAudioContext.h" | 33 #include "modules/webaudio/BaseAudioContext.h" |
| 34 #include "platform/CrossThreadFunctional.h" |
33 #include "platform/audio/AudioUtilities.h" | 35 #include "platform/audio/AudioUtilities.h" |
34 #include "wtf/MathExtras.h" | 36 #include "wtf/MathExtras.h" |
35 #include <algorithm> | |
36 | 37 |
37 namespace blink { | 38 namespace blink { |
38 | 39 |
39 const double AudioScheduledSourceHandler::UnknownTime = -1; | 40 const double AudioScheduledSourceHandler::UnknownTime = -1; |
40 | 41 |
41 AudioScheduledSourceHandler::AudioScheduledSourceHandler(NodeType nodeType, | 42 AudioScheduledSourceHandler::AudioScheduledSourceHandler(NodeType nodeType, |
42 AudioNode& node, | 43 AudioNode& node, |
43 float sampleRate) | 44 float sampleRate) |
44 : AudioHandler(nodeType, node, sampleRate), | 45 : AudioHandler(nodeType, node, sampleRate), |
45 m_startTime(0), | 46 m_startTime(0), |
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219 // Let the context dereference this AudioNode. | 220 // Let the context dereference this AudioNode. |
220 context()->notifySourceNodeFinishedProcessing(this); | 221 context()->notifySourceNodeFinishedProcessing(this); |
221 setPlaybackState(FINISHED_STATE); | 222 setPlaybackState(FINISHED_STATE); |
222 } | 223 } |
223 } | 224 } |
224 | 225 |
225 void AudioScheduledSourceHandler::finish() { | 226 void AudioScheduledSourceHandler::finish() { |
226 finishWithoutOnEnded(); | 227 finishWithoutOnEnded(); |
227 | 228 |
228 if (context()->getExecutionContext()) { | 229 if (context()->getExecutionContext()) { |
229 context()->getExecutionContext()->postTask( | 230 TaskRunnerHelper::get(TaskType::MediaElementEvent, |
230 TaskType::MediaElementEvent, BLINK_FROM_HERE, | 231 context()->getExecutionContext()) |
231 createCrossThreadTask(&AudioScheduledSourceHandler::notifyEnded, | 232 ->postTask(BLINK_FROM_HERE, |
232 PassRefPtr<AudioScheduledSourceHandler>(this))); | 233 crossThreadBind(&AudioScheduledSourceHandler::notifyEnded, |
| 234 wrapPassRefPtr(this))); |
233 } | 235 } |
234 } | 236 } |
235 | 237 |
236 void AudioScheduledSourceHandler::notifyEnded() { | 238 void AudioScheduledSourceHandler::notifyEnded() { |
237 DCHECK(isMainThread()); | 239 DCHECK(isMainThread()); |
238 if (node()) | 240 if (node()) |
239 node()->dispatchEvent(Event::create(EventTypeNames::ended)); | 241 node()->dispatchEvent(Event::create(EventTypeNames::ended)); |
240 } | 242 } |
241 | 243 |
242 // ---------------------------------------------------------------- | 244 // ---------------------------------------------------------------- |
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280 // playback state if the context is closed. | 282 // playback state if the context is closed. |
281 if (context()->isContextClosed()) | 283 if (context()->isContextClosed()) |
282 return false; | 284 return false; |
283 | 285 |
284 // If a node is scheduled or playing, do not collect the node prematurely | 286 // If a node is scheduled or playing, do not collect the node prematurely |
285 // even its reference is out of scope. Then fire onended event if assigned. | 287 // even its reference is out of scope. Then fire onended event if assigned. |
286 return audioScheduledSourceHandler().isPlayingOrScheduled(); | 288 return audioScheduledSourceHandler().isPlayingOrScheduled(); |
287 } | 289 } |
288 | 290 |
289 } // namespace blink | 291 } // namespace blink |
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