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/* -*- 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"
namespace mozilla {
namespace 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 dom
} // namespace mozilla