image_decoder service -> data_decoder service

services/image_decoder/public/cpp/decode.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "services/image_decoder/public/cpp/decode.h"
-
-#include "services/image_decoder/public/interfaces/constants.mojom.h"
-#include "services/service_manager/public/cpp/connector.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace image_decoder {
-
-namespace {
-
-// Helper callback which owns an ImageDecoderPtr until invoked. This keeps the
-// ImageDecoder pipe open just long enough to dispatch a reply, at which point
-// the reply is forwarded to the wrapped |callback|.
-void OnDecodeImage(mojom::ImageDecoderPtr decoder,
-                   const mojom::ImageDecoder::DecodeImageCallback& callback,
-                   const SkBitmap& bitmap) {
-  callback.Run(bitmap);
-}
-
-// Called in the case of a connection error on an ImageDecoder proxy.
-void OnConnectionError(
-    const mojom::ImageDecoder::DecodeImageCallback& callback) {
-  SkBitmap null_bitmap;
-  callback.Run(null_bitmap);
-}
-
-}  // namespace
-
-void Decode(service_manager::Connector* connector,
-            const std::vector<uint8_t>& encoded_bytes,
-            mojom::ImageCodec codec,
-            bool shrink_to_fit,
-            uint64_t max_size_in_bytes,
-            const gfx::Size& desired_image_frame_size,
-            const mojom::ImageDecoder::DecodeImageCallback& callback) {
-  mojom::ImageDecoderPtr decoder;
-  connector->BindInterface(mojom::kServiceName, &decoder);
-  decoder.set_connection_error_handler(
-      base::Bind(&OnConnectionError, callback));
-  mojom::ImageDecoder* raw_decoder = decoder.get();
-  raw_decoder->DecodeImage(
-      encoded_bytes, codec, shrink_to_fit, max_size_in_bytes,
-      desired_image_frame_size,
-      base::Bind(&OnDecodeImage, base::Passed(&decoder), callback));
-}
-
-}  // namespace image_decoder