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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 #include "chrome/browser/extensions/image_loading_tracker.h" | 5 #include "chrome/browser/extensions/image_loading_tracker.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/file_util.h" | 8 #include "base/file_util.h" |
| 9 #include "chrome/common/extensions/extension.h" | 9 #include "chrome/common/extensions/extension.h" |
| 10 #include "chrome/common/extensions/extension_resource.h" | 10 #include "chrome/common/extensions/extension_resource.h" |
| 11 #include "content/browser/browser_thread.h" | 11 #include "content/browser/browser_thread.h" |
| 12 #include "chrome/common/chrome_notification_types.h" | 12 #include "chrome/common/chrome_notification_types.h" |
| 13 #include "content/common/notification_service.h" | 13 #include "content/public/browser/notification_service.h" |
| 14 #include "skia/ext/image_operations.h" | 14 #include "skia/ext/image_operations.h" |
| 15 #include "third_party/skia/include/core/SkBitmap.h" | 15 #include "third_party/skia/include/core/SkBitmap.h" |
| 16 #include "webkit/glue/image_decoder.h" | 16 #include "webkit/glue/image_decoder.h" |
| 17 | 17 |
| 18 ImageLoadingTracker::Observer::~Observer() {} | 18 ImageLoadingTracker::Observer::~Observer() {} |
| 19 | 19 |
| 20 //////////////////////////////////////////////////////////////////////////////// | 20 //////////////////////////////////////////////////////////////////////////////// |
| 21 // ImageLoadingTracker::ImageLoader | 21 // ImageLoadingTracker::ImageLoader |
| 22 | 22 |
| 23 // A RefCounted class for loading images on the File thread and reporting back | 23 // A RefCounted class for loading images on the File thread and reporting back |
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| 116 DISALLOW_COPY_AND_ASSIGN(ImageLoader); | 116 DISALLOW_COPY_AND_ASSIGN(ImageLoader); |
| 117 }; | 117 }; |
| 118 | 118 |
| 119 //////////////////////////////////////////////////////////////////////////////// | 119 //////////////////////////////////////////////////////////////////////////////// |
| 120 // ImageLoadingTracker | 120 // ImageLoadingTracker |
| 121 | 121 |
| 122 ImageLoadingTracker::ImageLoadingTracker(Observer* observer) | 122 ImageLoadingTracker::ImageLoadingTracker(Observer* observer) |
| 123 : observer_(observer), | 123 : observer_(observer), |
| 124 next_id_(0) { | 124 next_id_(0) { |
| 125 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, | 125 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, |
| 126 NotificationService::AllSources()); | 126 content::NotificationService::AllSources()); |
| 127 } | 127 } |
| 128 | 128 |
| 129 ImageLoadingTracker::~ImageLoadingTracker() { | 129 ImageLoadingTracker::~ImageLoadingTracker() { |
| 130 // The loader is created lazily and is NULL if the tracker is destroyed before | 130 // The loader is created lazily and is NULL if the tracker is destroyed before |
| 131 // any valid image load tasks have been posted. | 131 // any valid image load tasks have been posted. |
| 132 if (loader_) | 132 if (loader_) |
| 133 loader_->StopTracking(); | 133 loader_->StopTracking(); |
| 134 } | 134 } |
| 135 | 135 |
| 136 void ImageLoadingTracker::LoadImage(const Extension* extension, | 136 void ImageLoadingTracker::LoadImage(const Extension* extension, |
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| 191 // Remove all entries in the load_map_ referencing the extension. This ensures | 191 // Remove all entries in the load_map_ referencing the extension. This ensures |
| 192 // we don't attempt to cache the image when the load completes. | 192 // we don't attempt to cache the image when the load completes. |
| 193 for (LoadMap::iterator i = load_map_.begin(); i != load_map_.end();) { | 193 for (LoadMap::iterator i = load_map_.begin(); i != load_map_.end();) { |
| 194 if (i->second == extension) { | 194 if (i->second == extension) { |
| 195 load_map_.erase(i++); | 195 load_map_.erase(i++); |
| 196 } else { | 196 } else { |
| 197 ++i; | 197 ++i; |
| 198 } | 198 } |
| 199 } | 199 } |
| 200 } | 200 } |
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