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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_IMAGE_DECODER_H_ | 5 #ifndef CHROME_BROWSER_IMAGE_DECODER_H_ |
6 #define CHROME_BROWSER_IMAGE_DECODER_H_ | 6 #define CHROME_BROWSER_IMAGE_DECODER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "content/browser/utility_process_host.h" | 13 #include "content/public/browser/browser_thread.h" |
| 14 #include "content/public/browser/utility_process_host_client.h" |
14 | 15 |
15 class SkBitmap; | 16 class SkBitmap; |
16 | 17 |
17 // Decodes an image in a sandboxed process. | 18 // Decodes an image in a sandboxed process. |
18 class ImageDecoder : public UtilityProcessHost::Client { | 19 class ImageDecoder : public content::UtilityProcessHostClient { |
19 public: | 20 public: |
20 class Delegate { | 21 class Delegate { |
21 public: | 22 public: |
22 // Called when image is decoded. | 23 // Called when image is decoded. |
23 // |decoder| is used to identify the image in case of decoding several | 24 // |decoder| is used to identify the image in case of decoding several |
24 // images simultaneously. | 25 // images simultaneously. |
25 virtual void OnImageDecoded(const ImageDecoder* decoder, | 26 virtual void OnImageDecoded(const ImageDecoder* decoder, |
26 const SkBitmap& decoded_image) = 0; | 27 const SkBitmap& decoded_image) = 0; |
27 | 28 |
28 // Called when decoding image failed. Delegate can do some cleanup in | 29 // Called when decoding image failed. Delegate can do some cleanup in |
29 // this handler. | 30 // this handler. |
30 virtual void OnDecodeImageFailed(const ImageDecoder* decoder) {} | 31 virtual void OnDecodeImageFailed(const ImageDecoder* decoder) {} |
31 | 32 |
32 protected: | 33 protected: |
33 virtual ~Delegate() {} | 34 virtual ~Delegate() {} |
34 }; | 35 }; |
35 | 36 |
36 ImageDecoder(Delegate* delegate, | 37 ImageDecoder(Delegate* delegate, |
37 const std::string& image_data); | 38 const std::string& image_data); |
38 | 39 |
39 // Starts image decoding. | 40 // Starts image decoding. |
40 void Start(); | 41 void Start(); |
41 | 42 |
42 private: | 43 private: |
43 // It's a reference counted object, so destructor is private. | 44 // It's a reference counted object, so destructor is private. |
44 virtual ~ImageDecoder(); | 45 virtual ~ImageDecoder(); |
45 | 46 |
46 // Overidden from UtilityProcessHost::Client: | 47 // Overidden from UtilityProcessHostClient: |
47 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 48 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
48 | 49 |
49 // IPC message handlers. | 50 // IPC message handlers. |
50 void OnDecodeImageSucceeded(const SkBitmap& decoded_image); | 51 void OnDecodeImageSucceeded(const SkBitmap& decoded_image); |
51 void OnDecodeImageFailed(); | 52 void OnDecodeImageFailed(); |
52 | 53 |
53 // Launches sandboxed process that will decode the image. | 54 // Launches sandboxed process that will decode the image. |
54 void DecodeImageInSandbox(const std::vector<unsigned char>& image_data); | 55 void DecodeImageInSandbox(const std::vector<unsigned char>& image_data); |
55 | 56 |
56 Delegate* delegate_; | 57 Delegate* delegate_; |
57 std::vector<unsigned char> image_data_; | 58 std::vector<unsigned char> image_data_; |
58 content::BrowserThread::ID target_thread_id_; | 59 content::BrowserThread::ID target_thread_id_; |
59 | 60 |
60 DISALLOW_COPY_AND_ASSIGN(ImageDecoder); | 61 DISALLOW_COPY_AND_ASSIGN(ImageDecoder); |
61 }; | 62 }; |
62 | 63 |
63 #endif // CHROME_BROWSER_IMAGE_DECODER_H_ | 64 #endif // CHROME_BROWSER_IMAGE_DECODER_H_ |
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