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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "services/image_decoder/public/cpp/decode.h" |
| 6 |
| 7 #include "services/image_decoder/public/cpp/constants.h" |
| 8 #include "services/service_manager/public/cpp/connector.h" |
| 9 #include "third_party/skia/include/core/SkBitmap.h" |
| 10 |
| 11 namespace image_decoder { |
| 12 |
| 13 namespace { |
| 14 |
| 15 // Helper callback which owns an ImageDecoderPtr until invoked. This keeps the |
| 16 // ImageDecoder pipe open just long enough to dispatch a reply, at which point |
| 17 // the reply is forwarded to the wrapped |callback|. |
| 18 void OnDecodeImage(mojom::ImageDecoderPtr decoder, |
| 19 const mojom::ImageDecoder::DecodeImageCallback& callback, |
| 20 const SkBitmap& bitmap) { |
| 21 callback.Run(bitmap); |
| 22 } |
| 23 |
| 24 // Called in the case of a connection error on an ImageDecoder proxy. |
| 25 void OnConnectionError( |
| 26 const mojom::ImageDecoder::DecodeImageCallback& callback) { |
| 27 SkBitmap null_bitmap; |
| 28 callback.Run(null_bitmap); |
| 29 } |
| 30 |
| 31 } // namespace |
| 32 |
| 33 void Decode(service_manager::Connector* connector, |
| 34 const std::vector<uint8_t>& encoded_bytes, |
| 35 mojom::ImageCodec codec, |
| 36 bool shrink_to_fit, |
| 37 uint64_t max_size_in_bytes, |
| 38 const mojom::ImageDecoder::DecodeImageCallback& callback) { |
| 39 mojom::ImageDecoderPtr decoder; |
| 40 connector->ConnectToInterface(kServiceName, &decoder); |
| 41 decoder.set_connection_error_handler( |
| 42 base::Bind(&OnConnectionError, callback)); |
| 43 mojom::ImageDecoder* raw_decoder = decoder.get(); |
| 44 raw_decoder->DecodeImage( |
| 45 encoded_bytes, codec, shrink_to_fit, max_size_in_bytes, |
| 46 base::Bind(&OnDecodeImage, base::Passed(&decoder), callback)); |
| 47 } |
| 48 |
| 49 } // namespace image_decoder |
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