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Side by Side Diff: chrome/browser/chromeos/login/user_image_loader.h

Issue 10448105: Revert "Added support for animated/nonanimated user image. There are no" (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 6 months ago
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1 // Copyright (c) 2012 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_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_ 5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_
7 #pragma once 7 #pragma once
8 8
9 #include <map> 9 #include <map>
10 #include <string> 10 #include <string>
11 11
12 #include "base/callback.h" 12 #include "base/callback.h"
13 #include "base/compiler_specific.h" 13 #include "base/compiler_specific.h"
14 #include "base/memory/ref_counted.h" 14 #include "base/memory/ref_counted.h"
15 #include "chrome/browser/image_decoder.h" 15 #include "chrome/browser/image_decoder.h"
16 16
17 class MessageLoop; 17 class MessageLoop;
18 class SkBitmap; 18 class SkBitmap;
19 19
20 namespace chromeos { 20 namespace chromeos {
21 21
22 class UserImage;
23
24 // A facility to read a file containing user image asynchronously in the IO 22 // A facility to read a file containing user image asynchronously in the IO
25 // thread. Returns the image in the form of an SkBitmap. 23 // thread. Returns the image in the form of an SkBitmap.
26 class UserImageLoader : public base::RefCountedThreadSafe<UserImageLoader>, 24 class UserImageLoader : public base::RefCountedThreadSafe<UserImageLoader>,
27 public ImageDecoder::Delegate { 25 public ImageDecoder::Delegate {
28 public: 26 public:
29 // Callback used to inidicate that image has been loaded. 27 // Callback used to inidicate that image has been loaded.
30 typedef base::Callback<void(const UserImage& user_image)> LoadedCallback; 28 typedef base::Callback<void(const SkBitmap& image)> LoadedCallback;
31 29
32 UserImageLoader(); 30 UserImageLoader();
33 31
34 // Start reading the image from |filepath| on the file thread. Calls 32 // Start reading the image from |filepath| on the file thread. Calls
35 // |loaded_cb| when image has been successfully loaded. 33 // |loaded_cb| when image has been successfully loaded.
36 // If |size| is positive, image is resized to |size|x|size| pixels. 34 // If |size| is positive, image is resized to |size|x|size| pixels.
37 // If |load_raw_image| is true, raw image is also passed to callback. 35 void Start(const std::string& filepath, int size,
38 void Start(const std::string& filepath, int size, bool load_raw_image,
39 const LoadedCallback& loaded_cb); 36 const LoadedCallback& loaded_cb);
40 37
41 private: 38 private:
42 friend class base::RefCountedThreadSafe<UserImageLoader>; 39 friend class base::RefCountedThreadSafe<UserImageLoader>;
43 40
44 // Contains attributes we need to know about each image we decode. 41 // Contains attributes we need to know about each image we decode.
45 struct ImageInfo { 42 struct ImageInfo {
46 ImageInfo(int size, bool load_raw_image, const LoadedCallback& loaded_cb); 43 ImageInfo(int size, const LoadedCallback& loaded_cb);
47 ~ImageInfo(); 44 ~ImageInfo();
48 45
49 int size; 46 int size;
50 bool load_raw_image;
51 LoadedCallback loaded_cb; 47 LoadedCallback loaded_cb;
52 }; 48 };
53 49
54 typedef std::map<const ImageDecoder*, ImageInfo> ImageInfoMap; 50 typedef std::map<const ImageDecoder*, ImageInfo> ImageInfoMap;
55 51
56 virtual ~UserImageLoader(); 52 virtual ~UserImageLoader();
57 53
58 // Method that reads the file on the file thread and starts decoding it in 54 // Method that reads the file on the file thread and starts decoding it in
59 // sandboxed process. 55 // sandboxed process.
60 void LoadImage(const std::string& filepath, const ImageInfo& image_info); 56 void LoadImage(const std::string& filepath, const ImageInfo& image_info);
61 57
62 // ImageDecoder::Delegate implementation. 58 // ImageDecoder::Delegate implementation.
63 virtual void OnImageDecoded(const ImageDecoder* decoder, 59 virtual void OnImageDecoded(const ImageDecoder* decoder,
64 const SkBitmap& decoded_image) OVERRIDE; 60 const SkBitmap& decoded_image) OVERRIDE;
65 virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE; 61 virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
66 62
67 // The message loop object of the thread in which we notify the delegate. 63 // The message loop object of the thread in which we notify the delegate.
68 MessageLoop* target_message_loop_; 64 MessageLoop* target_message_loop_;
69 65
70 // Holds info structures about all images we're trying to decode. 66 // Holds info structures about all images we're trying to decode.
71 // Accessed only on FILE thread. 67 // Accessed only on FILE thread.
72 ImageInfoMap image_info_map_; 68 ImageInfoMap image_info_map_;
73 69
74 DISALLOW_COPY_AND_ASSIGN(UserImageLoader); 70 DISALLOW_COPY_AND_ASSIGN(UserImageLoader);
75 }; 71 };
76 72
77 } // namespace chromeos 73 } // namespace chromeos
78 74
79 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_ 75 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_
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