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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/AudioScheduledSourceNode.cpp

Issue 1865583002: Implement BaseAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
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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)
(...skipping 175 matching lines...) Expand 10 before | Expand all | Expand 10 after
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
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
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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