Example #1
0
NS_INTERFACE_MAP_END

NS_IMETHODIMP
ImageLoader::Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData)
{
  if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
    nsCOMPtr<imgIContainer> image;
    aRequest->GetImage(getter_AddRefs(image));
    return OnStartContainer(aRequest, image);
  }

  if (aType == imgINotificationObserver::IS_ANIMATED) {
    return OnImageIsAnimated(aRequest);
  }

  if (aType == imgINotificationObserver::LOAD_COMPLETE) {
    return OnStopFrame(aRequest);
  }

  if (aType == imgINotificationObserver::FRAME_UPDATE) {
    return FrameChanged(aRequest);
  }

  return NS_OK;
}
Example #2
0
/* static */ void
ProgressTracker::SyncNotifyInternal(ProxyArray& aProxies,
                                    bool aHasImage,
                                    Progress aProgress,
                                    const nsIntRect& aDirtyRect)
{
  MOZ_ASSERT(NS_IsMainThread());
  // OnStartRequest
  if (aProgress & FLAG_REQUEST_STARTED)
    NOTIFY_IMAGE_OBSERVERS(aProxies, OnStartRequest());

  // OnStartContainer
  if (aProgress & FLAG_HAS_SIZE)
    NOTIFY_IMAGE_OBSERVERS(aProxies, OnStartContainer());

  // OnStartDecode
  if (aProgress & FLAG_DECODE_STARTED)
    NOTIFY_IMAGE_OBSERVERS(aProxies, OnStartDecode());

  // BlockOnload
  if (aProgress & FLAG_ONLOAD_BLOCKED)
    NOTIFY_IMAGE_OBSERVERS(aProxies, BlockOnload());

  if (aHasImage) {
    // OnFrameUpdate
    // If there's any content in this frame at all (always true for
    // vector images, true for raster images that have decoded at
    // least one frame) then send OnFrameUpdate.
    if (!aDirtyRect.IsEmpty())
      NOTIFY_IMAGE_OBSERVERS(aProxies, OnFrameUpdate(&aDirtyRect));

    if (aProgress & FLAG_FRAME_STOPPED)
      NOTIFY_IMAGE_OBSERVERS(aProxies, OnStopFrame());

    // OnImageIsAnimated
    if (aProgress & FLAG_IS_ANIMATED)
      NOTIFY_IMAGE_OBSERVERS(aProxies, OnImageIsAnimated());
  }

  // Send UnblockOnload before OnStopDecode and OnStopRequest. This allows
  // observers that can fire events when they receive those notifications to do
  // so then, instead of being forced to wait for UnblockOnload.
  if (aProgress & FLAG_ONLOAD_UNBLOCKED) {
    NOTIFY_IMAGE_OBSERVERS(aProxies, UnblockOnload());
  }

  if (aProgress & FLAG_DECODE_STOPPED) {
    MOZ_ASSERT(aHasImage, "Stopped decoding without ever having an image?");
    NOTIFY_IMAGE_OBSERVERS(aProxies, OnStopDecode());
  }

  if (aProgress & FLAG_REQUEST_STOPPED) {
    NOTIFY_IMAGE_OBSERVERS(aProxies,
                           OnStopRequest(aProgress & FLAG_MULTIPART_STOPPED));
  }
}
NS_IMETHODIMP
nsAlertsIconListener::Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData)
{
  if (aType == imgINotificationObserver::LOAD_COMPLETE) {
    return OnStopRequest(aRequest);
  }

  if (aType == imgINotificationObserver::FRAME_COMPLETE) {
    return OnStopFrame(aRequest);
  }

  return NS_OK;
}
NS_IMETHODIMP
nsImageLoadingContent::OnStopFrame(imgIRequest* aRequest,
                                   PRUint32 aFrame)
{
  NS_ENSURE_TRUE(nsContentUtils::IsCallerChrome(), NS_ERROR_NOT_AVAILABLE);

  // If we're blocking a load, one frame is enough
  if (aRequest == mCurrentRequest)
    SetBlockingOnload(PR_FALSE);

  LOOP_OVER_OBSERVERS(OnStopFrame(aRequest, aFrame));
  return NS_OK;
}