dom/midi/MIDIMessageQueue.cpp
author L10n Bumper Bot <release+l10nbumper@mozilla.com>
Thu, 08 Nov 2018 03:00:11 -0800
changeset 501100 1cd4f2d571554c4dc89cf1be1d98683c0d14f797
parent 460150 e908708fda6b1bdcb356084dfd6548a1069d791a
child 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
no bug - Bumping Fennec l10n changesets r=release a=l10n-bump DONTBUILD an -> 336e061995b9 ar -> f6834a7d7374 as -> d2c76e616a66 ast -> fcb8f3455237 az -> c4caf3b07cf2 be -> 697eb1022498 bg -> 7bf1f448f743 bn-BD -> 5f7a87adee06 bn-IN -> 49ce3195c4c2 br -> 41cf35b7c5b5 bs -> 4a14aee27904 ca -> 9373e8ce86d4 cak -> a40d767541ba cs -> 4b99defb0525 cy -> 4c948fed2584 de -> 017a7e7a267a dsb -> aadebeccf5ba el -> 2d28a78dcef5 en-CA -> 55ad9171a9f0 en-GB -> 296422b495e9 en-ZA -> c1b5d2128914 eo -> c68e87667d9f es-AR -> bff0a788c711 es-CL -> 1d3efd2532ea es-ES -> 4d1feb70b0e2 es-MX -> fceda607d0f4 et -> 58a8262a0cc7 eu -> 7cebfd46208b fa -> cbc040d58476 ff -> 46f5aec275ea fi -> 235ab13d261e fr -> 8ee417b64f99

/* -*- 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