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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/midi/MIDIMessageQueue.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/midi/MIDIMessageQueue.cpp')
-rw-r--r-- | dom/midi/MIDIMessageQueue.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/midi/MIDIMessageQueue.cpp b/dom/midi/MIDIMessageQueue.cpp new file mode 100644 index 0000000000..3006b225c0 --- /dev/null +++ b/dom/midi/MIDIMessageQueue.cpp @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "MIDIMessageQueue.h" +#include "mozilla/dom/MIDITypes.h" + +namespace mozilla::dom { + +MIDIMessageQueue::MIDIMessageQueue() : mMutex("MIDIMessageQueue::mMutex") {} + +class MIDIMessageTimestampComparator { + public: + bool Equals(const MIDIMessage& a, const MIDIMessage& b) const { + return a.timestamp() == b.timestamp(); + } + bool LessThan(const MIDIMessage& a, const MIDIMessage& b) const { + return a.timestamp() < b.timestamp(); + } +}; + +void MIDIMessageQueue::Add(nsTArray<MIDIMessage>& aMsg) { + MutexAutoLock lock(mMutex); + for (auto msg : aMsg) { + mMessageQueue.InsertElementSorted(msg, MIDIMessageTimestampComparator()); + } +} + +void MIDIMessageQueue::GetMessagesBefore(TimeStamp aTimestamp, + nsTArray<MIDIMessage>& aMsgQueue) { + MutexAutoLock lock(mMutex); + int i = 0; + for (auto msg : mMessageQueue) { + if (aTimestamp < msg.timestamp()) { + break; + } + aMsgQueue.AppendElement(msg); + i++; + } + if (i > 0) { + mMessageQueue.RemoveElementsAt(0, i); + } +} + +void MIDIMessageQueue::GetMessages(nsTArray<MIDIMessage>& aMsgQueue) { + MutexAutoLock lock(mMutex); + aMsgQueue.AppendElements(mMessageQueue); + mMessageQueue.Clear(); +} + +void MIDIMessageQueue::Clear() { + MutexAutoLock lock(mMutex); + mMessageQueue.Clear(); +} + +void MIDIMessageQueue::ClearAfterNow() { + MutexAutoLock lock(mMutex); + TimeStamp now = TimeStamp::Now(); + int i = 0; + for (auto msg : mMessageQueue) { + if (now < msg.timestamp()) { + break; + } + i++; + } + if (i > 0) { + mMessageQueue.RemoveElementsAt(0, i); + } +} + +} // namespace mozilla::dom |