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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 CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ | 5 #ifndef CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ |
| 6 #define CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ | 6 #define CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/callback.h" | 9 #include "base/callback.h" |
| 10 #include "content/renderer/fetchers/resource_fetcher.h" | 10 #include "content/renderer/fetchers/resource_fetcher.h" |
| 11 | 11 |
| 12 class SkBitmap; | 12 class SkBitmap; |
| 13 | 13 |
| 14 namespace content { | 14 namespace content { |
| 15 | 15 |
| 16 // ImageResourceFetcher handles downloading an image for a webview. Once | 16 // ImageResourceFetcher handles downloading an image for a webview. Once |
| 17 // downloading is done the supplied callback is notified. ImageResourceFetcher | 17 // downloading is done the supplied callback is notified. ImageResourceFetcher |
| 18 // is used to download the favicon and images for web apps. | 18 // is used to download the favicon and images for web apps. |
| 19 class ImageResourceFetcher { | 19 class ImageResourceFetcher { |
| 20 public: | 20 public: |
| 21 typedef base::Callback<void(ImageResourceFetcher*, const SkBitmap&)> Callback; | 21 typedef base::Callback<void(ImageResourceFetcher*, const SkBitmap&)> Callback; |
| 22 | 22 |
| 23 ImageResourceFetcher( | 23 ImageResourceFetcher( |
| 24 const GURL& image_url, | 24 const GURL& image_url, |
| 25 WebKit::WebFrame* frame, | 25 blink::WebFrame* frame, |
| 26 int id, | 26 int id, |
| 27 int image_size, | 27 int image_size, |
| 28 WebKit::WebURLRequest::TargetType target_type, | 28 blink::WebURLRequest::TargetType target_type, |
| 29 const Callback& callback); | 29 const Callback& callback); |
| 30 | 30 |
| 31 virtual ~ImageResourceFetcher(); | 31 virtual ~ImageResourceFetcher(); |
| 32 | 32 |
| 33 // URL of the image we're downloading. | 33 // URL of the image we're downloading. |
| 34 const GURL& image_url() const { return image_url_; } | 34 const GURL& image_url() const { return image_url_; } |
| 35 | 35 |
| 36 // Unique identifier for the request. | 36 // Unique identifier for the request. |
| 37 int id() const { return id_; } | 37 int id() const { return id_; } |
| 38 | 38 |
| 39 private: | 39 private: |
| 40 // ResourceFetcher::Callback. Decodes the image and invokes callback_. | 40 // ResourceFetcher::Callback. Decodes the image and invokes callback_. |
| 41 void OnURLFetchComplete(const WebKit::WebURLResponse& response, | 41 void OnURLFetchComplete(const blink::WebURLResponse& response, |
| 42 const std::string& data); | 42 const std::string& data); |
| 43 | 43 |
| 44 Callback callback_; | 44 Callback callback_; |
| 45 | 45 |
| 46 // Unique identifier for the request. | 46 // Unique identifier for the request. |
| 47 const int id_; | 47 const int id_; |
| 48 | 48 |
| 49 // URL of the image. | 49 // URL of the image. |
| 50 const GURL image_url_; | 50 const GURL image_url_; |
| 51 | 51 |
| 52 // The size of the image. This is only a hint that is used if the image | 52 // The size of the image. This is only a hint that is used if the image |
| 53 // contains multiple sizes. A value of 0 results in using the first frame | 53 // contains multiple sizes. A value of 0 results in using the first frame |
| 54 // of the image. | 54 // of the image. |
| 55 const int image_size_; | 55 const int image_size_; |
| 56 | 56 |
| 57 // Does the actual download. | 57 // Does the actual download. |
| 58 scoped_ptr<ResourceFetcher> fetcher_; | 58 scoped_ptr<ResourceFetcher> fetcher_; |
| 59 | 59 |
| 60 DISALLOW_COPY_AND_ASSIGN(ImageResourceFetcher); | 60 DISALLOW_COPY_AND_ASSIGN(ImageResourceFetcher); |
| 61 }; | 61 }; |
| 62 | 62 |
| 63 } // namespace content | 63 } // namespace content |
| 64 | 64 |
| 65 #endif // CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ | 65 #endif // CONTENT_RENDERER_FETCHERS_IMAGE_RESOURCE_FETCHER_H_ |
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