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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/interfaces/constants.mojom.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 gfx::Size& desired_image_frame_size, | |
39 const mojom::ImageDecoder::DecodeImageCallback& callback) { | |
40 mojom::ImageDecoderPtr decoder; | |
41 connector->BindInterface(mojom::kServiceName, &decoder); | |
42 decoder.set_connection_error_handler( | |
43 base::Bind(&OnConnectionError, callback)); | |
44 mojom::ImageDecoder* raw_decoder = decoder.get(); | |
45 raw_decoder->DecodeImage( | |
46 encoded_bytes, codec, shrink_to_fit, max_size_in_bytes, | |
47 desired_image_frame_size, | |
48 base::Bind(&OnDecodeImage, base::Passed(&decoder), callback)); | |
49 } | |
50 | |
51 } // namespace image_decoder | |
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