CanvasImageDecoder::CanvasImageDecoder(
mojo::ScopedDataPipeConsumerHandle handle,
PassOwnPtr<ImageDecoderCallback> callback)
: callback_(callback), weak_factory_(this) {
CHECK(callback_);
if (!handle.is_valid()) {
base::MessageLoop::current()->PostTask(
FROM_HERE, base::Bind(&CanvasImageDecoder::RejectCallback,
weak_factory_.GetWeakPtr()));
return;
}
buffer_ = SharedBuffer::create();
drainer_ = adoptPtr(new mojo::common::DataPipeDrainer(this, handle.Pass()));
}
CanvasImageDecoder::CanvasImageDecoder(
mojo::ScopedDataPipeConsumerHandle handle,
PassOwnPtr<ImageDecoderCallback> callback)
: callback_(callback) {
CHECK(callback_);
buffer_ = SharedBuffer::create();
drainer_ = adoptPtr(new mojo::common::DataPipeDrainer(this, handle.Pass()));
}
void WebLocalFrameImpl::loadFromDataPipeWithURL(mojo::ScopedDataPipeConsumerHandle responseStream, const WebURL& url)
{
frame()->mojoLoader().init(url);
frame()->mojoLoader().parse(responseStream.Pass());
}
PassRefPtr<CanvasImageDecoder> CanvasImageDecoder::create(
mojo::ScopedDataPipeConsumerHandle handle,
PassOwnPtr<ImageDecoderCallback> callback)
{
return adoptRef(new CanvasImageDecoder(handle.Pass(), callback));
}