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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_EXTENSIONS_IMAGE_LOADER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/callback_forward.h" | 10 #include "base/callback_forward.h" |
11 #include "base/gtest_prod_util.h" | 11 #include "base/gtest_prod_util.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" | 13 #include "components/keyed_service/core/keyed_service.h" |
14 #include "extensions/common/extension_resource.h" | 14 #include "extensions/common/extension_resource.h" |
15 #include "third_party/skia/include/core/SkBitmap.h" | 15 #include "third_party/skia/include/core/SkBitmap.h" |
16 #include "ui/base/layout.h" | 16 #include "ui/base/layout.h" |
17 #include "ui/gfx/size.h" | 17 #include "ui/gfx/size.h" |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 class BrowserContext; | 20 class BrowserContext; |
21 } | 21 } |
22 | 22 |
23 namespace gfx { | 23 namespace gfx { |
24 class Image; | 24 class Image; |
25 } | 25 } |
26 | 26 |
27 namespace extensions { | 27 namespace extensions { |
28 | 28 |
29 class Extension; | 29 class Extension; |
30 | 30 |
31 typedef base::Callback<void(const gfx::Image&)> ImageLoaderCallback; | 31 typedef base::Callback<void(const gfx::Image&)> ImageLoaderCallback; |
32 | 32 |
33 // This class is responsible for asynchronously loading extension images and | 33 // This class is responsible for asynchronously loading extension images and |
34 // calling a callback when an image is loaded. | 34 // calling a callback when an image is loaded. |
35 // The views need to load their icons asynchronously might be deleted before | 35 // The views need to load their icons asynchronously might be deleted before |
36 // the images have loaded. If you pass your callback using a weak_ptr, this | 36 // the images have loaded. If you pass your callback using a weak_ptr, this |
37 // will make sure the callback won't be called after the view is deleted. | 37 // will make sure the callback won't be called after the view is deleted. |
38 class ImageLoader : public BrowserContextKeyedService { | 38 class ImageLoader : public KeyedService { |
39 public: | 39 public: |
40 // Information about a singe image representation to load from an extension | 40 // Information about a singe image representation to load from an extension |
41 // resource. | 41 // resource. |
42 struct ImageRepresentation { | 42 struct ImageRepresentation { |
43 // Enum values to indicate whether to resize loaded bitmap when it is larger | 43 // Enum values to indicate whether to resize loaded bitmap when it is larger |
44 // than |desired_size| or always resize it. | 44 // than |desired_size| or always resize it. |
45 enum ResizeCondition { | 45 enum ResizeCondition { |
46 RESIZE_WHEN_LARGER, | 46 RESIZE_WHEN_LARGER, |
47 ALWAYS_RESIZE, | 47 ALWAYS_RESIZE, |
48 }; | 48 }; |
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107 const std::vector<LoadResult>& load_result); | 107 const std::vector<LoadResult>& load_result); |
108 | 108 |
109 base::WeakPtrFactory<ImageLoader> weak_ptr_factory_; | 109 base::WeakPtrFactory<ImageLoader> weak_ptr_factory_; |
110 | 110 |
111 DISALLOW_COPY_AND_ASSIGN(ImageLoader); | 111 DISALLOW_COPY_AND_ASSIGN(ImageLoader); |
112 }; | 112 }; |
113 | 113 |
114 } // namespace extensions | 114 } // namespace extensions |
115 | 115 |
116 #endif // CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_H_ | 116 #endif // CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_H_ |
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