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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| 14 * its contributors may be used to endorse or promote products derived | 14 * its contributors may be used to endorse or promote products derived |
| 15 * from this software without specific prior written permission. | 15 * from this software without specific prior written permission. |
| 16 * | 16 * |
| 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "platform/audio/HRTFDatabaseLoader.h" | 29 #include "platform/audio/HRTFDatabaseLoader.h" |
| 30 #include "platform/Task.h" | |
| 31 #include "platform/TaskSynchronizer.h" | 30 #include "platform/TaskSynchronizer.h" |
| 32 #include "platform/ThreadSafeFunctional.h" | 31 #include "platform/ThreadSafeFunctional.h" |
| 33 #include "public/platform/Platform.h" | 32 #include "public/platform/Platform.h" |
| 33 #include "public/platform/WebTaskRunner.h" |
| 34 #include "public/platform/WebTraceLocation.h" | 34 #include "public/platform/WebTraceLocation.h" |
| 35 #include "wtf/MainThread.h" | 35 #include "wtf/MainThread.h" |
| 36 | 36 |
| 37 namespace blink { | 37 namespace blink { |
| 38 | 38 |
| 39 using LoaderMap = HashMap<double, HRTFDatabaseLoader*>; | 39 using LoaderMap = HashMap<double, HRTFDatabaseLoader*>; |
| 40 | 40 |
| 41 static LoaderMap& loaderMap() | 41 static LoaderMap& loaderMap() |
| 42 { | 42 { |
| 43 DEFINE_STATIC_LOCAL(LoaderMap*, map, (new LoaderMap)); | 43 DEFINE_STATIC_LOCAL(LoaderMap*, map, (new LoaderMap)); |
| (...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 88 | 88 |
| 89 void HRTFDatabaseLoader::loadAsynchronously() | 89 void HRTFDatabaseLoader::loadAsynchronously() |
| 90 { | 90 { |
| 91 ASSERT(isMainThread()); | 91 ASSERT(isMainThread()); |
| 92 | 92 |
| 93 MutexLocker locker(m_lock); | 93 MutexLocker locker(m_lock); |
| 94 if (!m_hrtfDatabase && !m_thread) { | 94 if (!m_hrtfDatabase && !m_thread) { |
| 95 // Start the asynchronous database loading process. | 95 // Start the asynchronous database loading process. |
| 96 m_thread = adoptPtr(Platform::current()->createThread("HRTF database loa
der")); | 96 m_thread = adoptPtr(Platform::current()->createThread("HRTF database loa
der")); |
| 97 // TODO(alexclarke): Should this be posted as a loading task? | 97 // TODO(alexclarke): Should this be posted as a loading task? |
| 98 m_thread->taskRunner()->postTask(BLINK_FROM_HERE, new Task(threadSafeBin
d(&HRTFDatabaseLoader::loadTask, AllowCrossThreadAccess(this)))); | 98 m_thread->taskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(&HRTFDa
tabaseLoader::loadTask, AllowCrossThreadAccess(this))); |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 bool HRTFDatabaseLoader::isLoaded() | 102 bool HRTFDatabaseLoader::isLoaded() |
| 103 { | 103 { |
| 104 MutexLocker locker(m_lock); | 104 MutexLocker locker(m_lock); |
| 105 return m_hrtfDatabase; | 105 return m_hrtfDatabase; |
| 106 } | 106 } |
| 107 | 107 |
| 108 // This cleanup task is needed just to make sure that the loader thread finishes | 108 // This cleanup task is needed just to make sure that the loader thread finishes |
| 109 // the load task and thus the loader thread doesn't touch m_thread any more. | 109 // the load task and thus the loader thread doesn't touch m_thread any more. |
| 110 void HRTFDatabaseLoader::cleanupTask(TaskSynchronizer* sync) | 110 void HRTFDatabaseLoader::cleanupTask(TaskSynchronizer* sync) |
| 111 { | 111 { |
| 112 sync->taskCompleted(); | 112 sync->taskCompleted(); |
| 113 } | 113 } |
| 114 | 114 |
| 115 void HRTFDatabaseLoader::waitForLoaderThreadCompletion() | 115 void HRTFDatabaseLoader::waitForLoaderThreadCompletion() |
| 116 { | 116 { |
| 117 if (!m_thread) | 117 if (!m_thread) |
| 118 return; | 118 return; |
| 119 | 119 |
| 120 TaskSynchronizer sync; | 120 TaskSynchronizer sync; |
| 121 // TODO(alexclarke): Should this be posted as a loading task? | 121 // TODO(alexclarke): Should this be posted as a loading task? |
| 122 m_thread->taskRunner()->postTask(BLINK_FROM_HERE, new Task(threadSafeBind(&H
RTFDatabaseLoader::cleanupTask, AllowCrossThreadAccess(this), AllowCrossThreadAc
cess(&sync)))); | 122 m_thread->taskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(&HRTFDataba
seLoader::cleanupTask, AllowCrossThreadAccess(this), AllowCrossThreadAccess(&syn
c))); |
| 123 sync.waitForTaskCompletion(); | 123 sync.waitForTaskCompletion(); |
| 124 m_thread.clear(); | 124 m_thread.clear(); |
| 125 } | 125 } |
| 126 | 126 |
| 127 } // namespace blink | 127 } // namespace blink |
| 128 | |
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