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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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| 218 | 218 |
| 219 void AudioScheduledSourceHandler::notifyEnded() | 219 void AudioScheduledSourceHandler::notifyEnded() |
| 220 { | 220 { |
| 221 ASSERT(isMainThread()); | 221 ASSERT(isMainThread()); |
| 222 if (node()) | 222 if (node()) |
| 223 node()->dispatchEvent(Event::create(EventTypeNames::ended)); | 223 node()->dispatchEvent(Event::create(EventTypeNames::ended)); |
| 224 } | 224 } |
| 225 | 225 |
| 226 // ---------------------------------------------------------------- | 226 // ---------------------------------------------------------------- |
| 227 | 227 |
| 228 AudioScheduledSourceNode::AudioScheduledSourceNode(AbstractAudioContext& context
) | 228 AudioScheduledSourceNode::AudioScheduledSourceNode(BaseAudioContext& context) |
| 229 : AudioSourceNode(context) | 229 : AudioSourceNode(context) |
| 230 , ActiveScriptWrappable(this) | 230 , ActiveScriptWrappable(this) |
| 231 { | 231 { |
| 232 } | 232 } |
| 233 | 233 |
| 234 AudioScheduledSourceHandler& AudioScheduledSourceNode::audioScheduledSourceHandl
er() const | 234 AudioScheduledSourceHandler& AudioScheduledSourceNode::audioScheduledSourceHandl
er() const |
| 235 { | 235 { |
| 236 return static_cast<AudioScheduledSourceHandler&>(handler()); | 236 return static_cast<AudioScheduledSourceHandler&>(handler()); |
| 237 } | 237 } |
| 238 | 238 |
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| 272 // playback state if the context is closed. | 272 // playback state if the context is closed. |
| 273 if (context()->isContextClosed()) | 273 if (context()->isContextClosed()) |
| 274 return false; | 274 return false; |
| 275 | 275 |
| 276 // If a node is scheduled or playing, do not collect the node prematurely | 276 // If a node is scheduled or playing, do not collect the node prematurely |
| 277 // even its reference is out of scope. Then fire onended event if assigned. | 277 // even its reference is out of scope. Then fire onended event if assigned. |
| 278 return audioScheduledSourceHandler().isPlayingOrScheduled(); | 278 return audioScheduledSourceHandler().isPlayingOrScheduled(); |
| 279 } | 279 } |
| 280 | 280 |
| 281 } // namespace blink | 281 } // namespace blink |
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