C++ nsTArray::RemoveElement方法代码示例

nsresult
BluetoothServiceBluedroid::StartInternal(BluetoothReplyRunnable* aRunnable)
{
  MOZ_ASSERT(NS_IsMainThread());

  // aRunnable will be a nullptr while startup
  if(aRunnable) {
    sChangeAdapterStateRunnableArray.AppendElement(aRunnable);
  }

  nsresult ret = StartGonkBluetooth();
  if (NS_FAILED(ret)) {
    BluetoothService::AcknowledgeToggleBt(false);

    // Reject Promise
    if(aRunnable) {
      DispatchReplyError(aRunnable, NS_LITERAL_STRING("StartBluetoothError"));
      sChangeAdapterStateRunnableArray.RemoveElement(aRunnable);
    }

    BT_LOGR("Error");
  }

  return ret;
}

nsresult
BluetoothServiceBluedroid::StopInternal(BluetoothReplyRunnable* aRunnable)
{
  MOZ_ASSERT(NS_IsMainThread());

  BluetoothProfileManagerBase* profile;
  profile = BluetoothHfpManager::Get();
  NS_ENSURE_TRUE(profile, NS_ERROR_FAILURE);
  if (profile->IsConnected()) {
    profile->Disconnect(nullptr);
  } else {
    profile->Reset();
  }

  profile = BluetoothOppManager::Get();
  NS_ENSURE_TRUE(profile, NS_ERROR_FAILURE);
  if (profile->IsConnected()) {
    profile->Disconnect(nullptr);
  }

  profile = BluetoothA2dpManager::Get();
  NS_ENSURE_TRUE(profile, NS_ERROR_FAILURE);
  if (profile->IsConnected()) {
    profile->Disconnect(nullptr);
  } else {
    profile->Reset();
  }

  profile = BluetoothHidManager::Get();
  NS_ENSURE_TRUE(profile, NS_ERROR_FAILURE);
  if (profile->IsConnected()) {
    profile->Disconnect(nullptr);
  } else {
    profile->Reset();
  }

  // aRunnable will be a nullptr during starup and shutdown
  if(aRunnable) {
    sChangeAdapterStateRunnableArray.AppendElement(aRunnable);
  }

  nsresult ret = StopGonkBluetooth();
  if (NS_FAILED(ret)) {
    BluetoothService::AcknowledgeToggleBt(true);

    // Reject Promise
    if(aRunnable) {
      DispatchReplyError(aRunnable, NS_LITERAL_STRING("StopBluetoothError"));
      sChangeAdapterStateRunnableArray.RemoveElement(aRunnable);
    }

    BT_LOGR("Error");
  }

  return ret;
}

NS_IMETHODIMP
nsWindow::Destroy(void)
{
    sTopWindows.RemoveElement(this);
    if (this == gWindowToRedraw)
        gWindowToRedraw = nullptr;
    if (this == gFocusedWindow)
        gFocusedWindow = nullptr;
    return NS_OK;
}

NS_IMETHODIMP
nsWindow::Destroy(void)
{
    mOnDestroyCalled = true;
    sTopWindows.RemoveElement(this);
    if (this == gFocusedWindow)
        gFocusedWindow = nullptr;
    nsBaseWidget::OnDestroy();
    return NS_OK;
}

void
nsWindow::BringToTop()
{
    if (!sTopWindows.IsEmpty()) {
        nsGUIEvent event(true, NS_DEACTIVATE, sTopWindows[0]);
        (*mEventCallback)(&event);
    }

    sTopWindows.RemoveElement(this);
    sTopWindows.InsertElementAt(0, this);

    nsGUIEvent event(true, NS_ACTIVATE, this);
    (*mEventCallback)(&event);
}

void
nsWindow::BringToTop()
{
    if (!sTopWindows.IsEmpty()) {
        if (nsIWidgetListener* listener = sTopWindows[0]->GetWidgetListener())
            listener->WindowDeactivated();
    }

    sTopWindows.RemoveElement(this);
    sTopWindows.InsertElementAt(0, this);

    if (mWidgetListener)
        mWidgetListener->WindowActivated();
    Invalidate(sVirtualBounds);
}

void
nsFontCache::FontMetricsDeleted(const nsFontMetrics* aFontMetrics)
{
    mFontMetrics.RemoveElement(aFontMetrics);
}

 void OnError(BluetoothStatus aStatus) override
 {
   sUnbondingRunnableArray.RemoveElement(mRunnable);
   DispatchReplyError(mRunnable, aStatus);
 }

uint32_t
GridLines::AppendRemovedAutoFits(const ComputedGridTrackInfo* aTrackInfo,
                                 const ComputedGridLineInfo* aLineInfo,
                                 nscoord aLastTrackEdge,
                                 uint32_t& aRepeatIndex,
                                 uint32_t aNumRepeatTracks,
                                 nsTArray<nsString>& aLineNames)
{
  // Check to see if lineNames contains ALL of the before line names.
  bool alreadyHasBeforeLineNames = true;
  for (const auto& beforeName : aLineInfo->mNamesBefore) {
    if (!aLineNames.Contains(beforeName)) {
      alreadyHasBeforeLineNames = false;
      break;
    }
  }

  bool extractedExplicitLineNames = false;
  nsTArray<nsString> explicitLineNames;
  uint32_t linesAdded = 0;
  while (aRepeatIndex < aNumRepeatTracks &&
         aTrackInfo->mRemovedRepeatTracks[aRepeatIndex]) {
    // If this is not the very first call to this function, and if we
    // haven't already added a line this call, pull all the explicit
    // names to pass along to the next line that will be added after
    // this function completes.
    if (aRepeatIndex > 0 &&
        linesAdded == 0) {
      // Find the names that didn't match the before or after names,
      // and extract them.
      for (const auto& name : aLineNames) {
        if (!aLineInfo->mNamesBefore.Contains(name) &&
            !aLineInfo->mNamesAfter.Contains(name)) {
          explicitLineNames.AppendElement(name);
        }
      }
      for (const auto& extractedName : explicitLineNames) {
        aLineNames.RemoveElement(extractedName);
      }
      extractedExplicitLineNames = true;
    }

    // If this is the second or later time through, or didn't already
    // have before names, add them.
    if (linesAdded > 0 || !alreadyHasBeforeLineNames) {
      aLineNames.AppendElements(aLineInfo->mNamesBefore);
    }

    RefPtr<GridLine> line = new GridLine(this);
    mLines.AppendElement(line);
    line->SetLineValues(
      aLineNames,
      nsPresContext::AppUnitsToDoubleCSSPixels(aLastTrackEdge),
      nsPresContext::AppUnitsToDoubleCSSPixels(0),
      aTrackInfo->mRepeatFirstTrack + aRepeatIndex + 1,
      GridDeclaration::Explicit
    );

    // No matter what, the next line should have the after names associated
    // with it. If we go through the loop again, the before names will also
    // be added.
    aLineNames = aLineInfo->mNamesAfter;
    aRepeatIndex++;

    linesAdded++;
  }
  aRepeatIndex++;

  if (extractedExplicitLineNames) {
    // Pass on the explicit names we saved to the next explicit line.
    aLineNames.AppendElements(explicitLineNames);
  }

  if (alreadyHasBeforeLineNames && linesAdded > 0) {
    // If we started with before names, pass them on to the next explicit
    // line.
    aLineNames.AppendElements(aLineInfo->mNamesBefore);
  }
  return linesAdded;
}

nsresult nsFontCache::FontMetricsDeleted(const nsIFontMetrics* aFontMetrics)
{
    mFontMetrics.RemoveElement(aFontMetrics);
    return NS_OK;
}